diff options
Diffstat (limited to 'Master/bin/sparc-linux/mtxrun')
| -rwxr-xr-x | Master/bin/sparc-linux/mtxrun | 16697 |
1 files changed, 0 insertions, 16697 deletions
diff --git a/Master/bin/sparc-linux/mtxrun b/Master/bin/sparc-linux/mtxrun deleted file mode 100755 index 335c4fcb9e0..00000000000 --- a/Master/bin/sparc-linux/mtxrun +++ /dev/null @@ -1,16697 +0,0 @@ -#!/usr/bin/env texlua - -if not modules then modules = { } end modules ['mtxrun'] = { - version = 1.001, - comment = "runner, lua replacement for texmfstart.rb", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- one can make a stub: --- --- #!/bin/sh --- env LUATEXDIR=/....../texmf/scripts/context/lua luatex --luaonly mtxrun.lua "$@" - --- filename : mtxrun.lua --- comment : companion to context.tex --- author : Hans Hagen, PRAGMA-ADE, Hasselt NL --- copyright: PRAGMA ADE / ConTeXt Development Team --- license : see context related readme files - --- This script is based on texmfstart.rb but does not use kpsewhich to --- locate files. Although kpse is a library it never came to opening up --- its interface to other programs (esp scripting languages) and so we --- do it ourselves. The lua variant evolved out of an experimental ruby --- one. Interesting is that using a scripting language instead of c does --- not have a speed penalty. Actually the lua variant is more efficient, --- especially when multiple calls to kpsewhich are involved. The lua --- library also gives way more control. - --- to be done / considered --- --- support for --exec or make it default --- support for jar files (or maybe not, never used, too messy) --- support for $RUBYINPUTS cum suis (if still needed) --- remember for subruns: _CTX_K_V_#{original}_ --- remember for subruns: _CTX_K_S_#{original}_ --- remember for subruns: TEXMFSTART.#{original} [tex.rb texmfstart.rb] - --- begin library merge - - - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-string'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local string = string -local sub, gsub, find, match, gmatch, format, char, byte, rep, lower = string.sub, string.gsub, string.find, string.match, string.gmatch, string.format, string.char, string.byte, string.rep, string.lower -local lpegmatch, S, C, Ct = lpeg.match, lpeg.S, lpeg.C, lpeg.Ct - --- some functions may disappear as they are not used anywhere - -if not string.split then - - -- this will be overloaded by a faster lpeg variant - - function string.split(str,pattern) - local t = { } - if #str > 0 then - local n = 1 - for s in gmatch(str..pattern,"(.-)"..pattern) do - t[n] = s - n = n + 1 - end - end - return t - end - -end - -function string.unquoted(str) - return (gsub(str,"^([\"\'])(.*)%1$","%2")) -end - - -function string.quoted(str) - return format("%q",str) -- always " -end - -function string.count(str,pattern) -- variant 3 - local n = 0 - for _ in gmatch(str,pattern) do -- not for utf - n = n + 1 - end - return n -end - -function string.limit(str,n,sentinel) -- not utf proof - if #str > n then - sentinel = sentinel or "..." - return sub(str,1,(n-#sentinel)) .. sentinel - else - return str - end -end - -local space = S(" \t\v\n") -local nospace = 1 - space -local stripper = space^0 * C((space^0 * nospace^1)^0) -- roberto's code - -function string.strip(str) - return lpegmatch(stripper,str) or "" -end - -function string.is_empty(str) - return not find(str,"%S") -end - -local patterns_escapes = { - ["%"] = "%%", - ["."] = "%.", - ["+"] = "%+", ["-"] = "%-", ["*"] = "%*", - ["["] = "%[", ["]"] = "%]", - ["("] = "%(", [")"] = "%)", - -- ["{"] = "%{", ["}"] = "%}" - -- ["^"] = "%^", ["$"] = "%$", -} - -local simple_escapes = { - ["-"] = "%-", - ["."] = "%.", - ["?"] = ".", - ["*"] = ".*", -} - -function string.escapedpattern(str,simple) - return (gsub(str,".",simple and simple_escapes or patterns_escapes)) -end - -function string.topattern(str,lowercase,strict) - if str == "" then - return ".*" - else - str = gsub(str,".",simple_escapes) - if lowercase then - str = lower(str) - end - if strict then - return "^" .. str .. "$" - else - return str - end - end -end - --- obsolete names: - -string.quote = string.quoted -string.unquote = string.unquoted - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-table'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local type, next, tostring, tonumber, ipairs, table, string = type, next, tostring, tonumber, ipairs, table, string -local concat, sort, insert, remove = table.concat, table.sort, table.insert, table.remove -local format, find, gsub, lower, dump, match = string.format, string.find, string.gsub, string.lower, string.dump, string.match -local getmetatable, setmetatable = getmetatable, setmetatable -local getinfo = debug.getinfo - --- Starting with version 5.2 Lua no longer provide ipairs, which makes --- sense. As we already used the for loop and # in most places the --- impact on ConTeXt was not that large; the remaining ipairs already --- have been replaced. In a similar fashion we also hardly used pairs. --- --- Just in case, we provide the fallbacks as discussed in Programming --- in Lua (http://www.lua.org/pil/7.3.html): - -if not ipairs then - - -- for k, v in ipairs(t) do ... end - -- for k=1,#t do local v = t[k] ... end - - local function iterate(a,i) - i = i + 1 - local v = a[i] - if v ~= nil then - return i, v --, nil - end - end - - function ipairs(a) - return iterate, a, 0 - end - -end - -if not pairs then - - -- for k, v in pairs(t) do ... end - -- for k, v in next, t do ... end - - function pairs(t) - return next, t -- , nil - end - -end - --- Also, unpack has been moved to the table table, and for compatiility --- reasons we provide both now. - -if not table.unpack then - table.unpack = _G.unpack -elseif not unpack then - _G.unpack = table.unpack -end - --- extra functions, some might go (when not used) - -function table.strip(tab) - local lst, l = { }, 0 - for i=1,#tab do - local s = gsub(tab[i],"^%s*(.-)%s*$","%1") - if s == "" then - -- skip this one - else - l = l + 1 - lst[l] = s - end - end - return lst -end - -function table.keys(t) - local keys, k = { }, 0 - for key, _ in next, t do - k = k + 1 - keys[k] = key - end - return keys -end - -local function compare(a,b) - local ta, tb = type(a), type(b) -- needed, else 11 < 2 - if ta == tb then - return a < b - else - return tostring(a) < tostring(b) - end -end - -local function sortedkeys(tab) - local srt, category, s = { }, 0, 0 -- 0=unknown 1=string, 2=number 3=mixed - for key,_ in next, tab do - s = s + 1 - srt[s] = key - if category == 3 then - -- no further check - else - local tkey = type(key) - if tkey == "string" then - category = (category == 2 and 3) or 1 - elseif tkey == "number" then - category = (category == 1 and 3) or 2 - else - category = 3 - end - end - end - if category == 0 or category == 3 then - sort(srt,compare) - else - sort(srt) - end - return srt -end - -local function sortedhashkeys(tab) -- fast one - local srt, s = { }, 0 - for key,_ in next, tab do - if key then - s= s + 1 - srt[s] = key - end - end - sort(srt) - return srt -end - -table.sortedkeys = sortedkeys -table.sortedhashkeys = sortedhashkeys - -local function nothing() end - -local function sortedhash(t) - if t then - local n, s = 0, sortedkeys(t) -- the robust one - local function kv(s) - n = n + 1 - local k = s[n] - return k, t[k] - end - return kv, s - else - return nothing - end -end - -table.sortedhash = sortedhash -table.sortedpairs = sortedhash - -function table.append(t, list) - local n = #t - for i=1,#list do - n = n + 1 - t[n] = list[i] - end - return t -end - -function table.prepend(t, list) - local nl = #list - local nt = nl + #t - for i=#t,1,-1 do - t[nt] = t[i] - nt = nt - 1 - end - for i=1,#list do - t[i] = list[i] - end - return t -end - -function table.merge(t, ...) -- first one is target - t = t or { } - local lst = { ... } - for i=1,#lst do - for k, v in next, lst[i] do - t[k] = v - end - end - return t -end - -function table.merged(...) - local tmp, lst = { }, { ... } - for i=1,#lst do - for k, v in next, lst[i] do - tmp[k] = v - end - end - return tmp -end - -function table.imerge(t, ...) - local lst, nt = { ... }, #t - for i=1,#lst do - local nst = lst[i] - for j=1,#nst do - nt = nt + 1 - t[nt] = nst[j] - end - end - return t -end - -function table.imerged(...) - local tmp, ntmp, lst = { }, 0, {...} - for i=1,#lst do - local nst = lst[i] - for j=1,#nst do - ntmp = ntmp + 1 - tmp[ntmp] = nst[j] - end - end - return tmp -end - -local function fastcopy(old,metatabletoo) -- fast one - if old then - local new = { } - for k,v in next, old do - if type(v) == "table" then - new[k] = fastcopy(v,metatabletoo) -- was just table.copy - else - new[k] = v - end - end - if metatabletoo then - -- optional second arg - local mt = getmetatable(old) - if mt then - setmetatable(new,mt) - end - end - return new - else - return { } - end -end - --- todo : copy without metatable - -local function copy(t, tables) -- taken from lua wiki, slightly adapted - tables = tables or { } - local tcopy = {} - if not tables[t] then - tables[t] = tcopy - end - for i,v in next, t do -- brrr, what happens with sparse indexed - if type(i) == "table" then - if tables[i] then - i = tables[i] - else - i = copy(i, tables) - end - end - if type(v) ~= "table" then - tcopy[i] = v - elseif tables[v] then - tcopy[i] = tables[v] - else - tcopy[i] = copy(v, tables) - end - end - local mt = getmetatable(t) - if mt then - setmetatable(tcopy,mt) - end - return tcopy -end - -table.fastcopy = fastcopy -table.copy = copy - -function table.derive(parent) - local child = { } - if parent then - setmetatable(child,{ __index = parent }) - end - return child -end - -function table.tohash(t,value) - local h = { } - if t then - if value == nil then value = true end - for _, v in next, t do -- no ipairs here - h[v] = value - end - end - return h -end - -function table.fromhash(t) - local hsh, h = { }, 0 - for k, v in next, t do -- no ipairs here - if v then - h = h + 1 - hsh[h] = k - end - end - return hsh -end - -local noquotes, hexify, handle, reduce, compact, inline, functions - -local reserved = table.tohash { -- intercept a language inconvenience: no reserved words as key - 'and', 'break', 'do', 'else', 'elseif', 'end', 'false', 'for', 'function', 'if', - 'in', 'local', 'nil', 'not', 'or', 'repeat', 'return', 'then', 'true', 'until', 'while', -} - -local function simple_table(t) - if #t > 0 then - local n = 0 - for _,v in next, t do - n = n + 1 - end - if n == #t then - local tt, nt = { }, 0 - for i=1,#t do - local v = t[i] - local tv = type(v) - if tv == "number" then - nt = nt + 1 - if hexify then - tt[nt] = format("0x%04X",v) - else - tt[nt] = tostring(v) -- tostring not needed - end - elseif tv == "boolean" then - nt = nt + 1 - tt[nt] = tostring(v) - elseif tv == "string" then - nt = nt + 1 - tt[nt] = format("%q",v) - else - tt = nil - break - end - end - return tt - end - end - return nil -end - --- Because this is a core function of mkiv I moved some function calls --- inline. --- --- twice as fast in a test: --- --- local propername = lpeg.P(lpeg.R("AZ","az","__") * lpeg.R("09","AZ","az", "__")^0 * lpeg.P(-1) ) - --- problem: there no good number_to_string converter with the best resolution - -local function dummy() end - -local function do_serialize(root,name,depth,level,indexed) - if level > 0 then - depth = depth .. " " - if indexed then - handle(format("%s{",depth)) - else - local tn = type(name) - if tn == "number" then -- or find(k,"^%d+$") then - if hexify then - handle(format("%s[0x%04X]={",depth,name)) - else - handle(format("%s[%s]={",depth,name)) - end - elseif tn == "string" then - if noquotes and not reserved[name] and find(name,"^%a[%w%_]*$") then - handle(format("%s%s={",depth,name)) - else - handle(format("%s[%q]={",depth,name)) - end - elseif tn == "boolean" then - handle(format("%s[%s]={",depth,tostring(name))) - else - handle(format("%s{",depth)) - end - end - end - -- we could check for k (index) being number (cardinal) - if root and next(root) then - local first, last = nil, 0 -- #root cannot be trusted here (will be ok in 5.2 when ipairs is gone) - if compact then - -- NOT: for k=1,#root do (we need to quit at nil) - for k,v in ipairs(root) do -- can we use next? - if not first then first = k end - last = last + 1 - end - end - local sk = sortedkeys(root) - for i=1,#sk do - local k = sk[i] - local v = root[k] - -- circular - local t, tk = type(v), type(k) - if compact and first and tk == "number" and k >= first and k <= last then - if t == "number" then - if hexify then - handle(format("%s 0x%04X,",depth,v)) - else - handle(format("%s %s,",depth,v)) -- %.99g - end - elseif t == "string" then - if reduce and tonumber(v) then - handle(format("%s %s,",depth,v)) - else - handle(format("%s %q,",depth,v)) - end - elseif t == "table" then - if not next(v) then - handle(format("%s {},",depth)) - elseif inline then -- and #t > 0 - local st = simple_table(v) - if st then - handle(format("%s { %s },",depth,concat(st,", "))) - else - do_serialize(v,k,depth,level+1,true) - end - else - do_serialize(v,k,depth,level+1,true) - end - elseif t == "boolean" then - handle(format("%s %s,",depth,tostring(v))) - elseif t == "function" then - if functions then - handle(format('%s loadstring(%q),',depth,dump(v))) - else - handle(format('%s "function",',depth)) - end - else - handle(format("%s %q,",depth,tostring(v))) - end - elseif k == "__p__" then -- parent - if false then - handle(format("%s __p__=nil,",depth)) - end - elseif t == "number" then - if tk == "number" then -- or find(k,"^%d+$") then - if hexify then - handle(format("%s [0x%04X]=0x%04X,",depth,k,v)) - else - handle(format("%s [%s]=%s,",depth,k,v)) -- %.99g - end - elseif tk == "boolean" then - if hexify then - handle(format("%s [%s]=0x%04X,",depth,tostring(k),v)) - else - handle(format("%s [%s]=%s,",depth,tostring(k),v)) -- %.99g - end - elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then - if hexify then - handle(format("%s %s=0x%04X,",depth,k,v)) - else - handle(format("%s %s=%s,",depth,k,v)) -- %.99g - end - else - if hexify then - handle(format("%s [%q]=0x%04X,",depth,k,v)) - else - handle(format("%s [%q]=%s,",depth,k,v)) -- %.99g - end - end - elseif t == "string" then - if reduce and tonumber(v) then - if tk == "number" then -- or find(k,"^%d+$") then - if hexify then - handle(format("%s [0x%04X]=%s,",depth,k,v)) - else - handle(format("%s [%s]=%s,",depth,k,v)) - end - elseif tk == "boolean" then - handle(format("%s [%s]=%s,",depth,tostring(k),v)) - elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then - handle(format("%s %s=%s,",depth,k,v)) - else - handle(format("%s [%q]=%s,",depth,k,v)) - end - else - if tk == "number" then -- or find(k,"^%d+$") then - if hexify then - handle(format("%s [0x%04X]=%q,",depth,k,v)) - else - handle(format("%s [%s]=%q,",depth,k,v)) - end - elseif tk == "boolean" then - handle(format("%s [%s]=%q,",depth,tostring(k),v)) - elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then - handle(format("%s %s=%q,",depth,k,v)) - else - handle(format("%s [%q]=%q,",depth,k,v)) - end - end - elseif t == "table" then - if not next(v) then - if tk == "number" then -- or find(k,"^%d+$") then - if hexify then - handle(format("%s [0x%04X]={},",depth,k)) - else - handle(format("%s [%s]={},",depth,k)) - end - elseif tk == "boolean" then - handle(format("%s [%s]={},",depth,tostring(k))) - elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then - handle(format("%s %s={},",depth,k)) - else - handle(format("%s [%q]={},",depth,k)) - end - elseif inline then - local st = simple_table(v) - if st then - if tk == "number" then -- or find(k,"^%d+$") then - if hexify then - handle(format("%s [0x%04X]={ %s },",depth,k,concat(st,", "))) - else - handle(format("%s [%s]={ %s },",depth,k,concat(st,", "))) - end - elseif tk == "boolean" then -- or find(k,"^%d+$") then - handle(format("%s [%s]={ %s },",depth,tostring(k),concat(st,", "))) - elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then - handle(format("%s %s={ %s },",depth,k,concat(st,", "))) - else - handle(format("%s [%q]={ %s },",depth,k,concat(st,", "))) - end - else - do_serialize(v,k,depth,level+1) - end - else - do_serialize(v,k,depth,level+1) - end - elseif t == "boolean" then - if tk == "number" then -- or find(k,"^%d+$") then - if hexify then - handle(format("%s [0x%04X]=%s,",depth,k,tostring(v))) - else - handle(format("%s [%s]=%s,",depth,k,tostring(v))) - end - elseif tk == "boolean" then -- or find(k,"^%d+$") then - handle(format("%s [%s]=%s,",depth,tostring(k),tostring(v))) - elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then - handle(format("%s %s=%s,",depth,k,tostring(v))) - else - handle(format("%s [%q]=%s,",depth,k,tostring(v))) - end - elseif t == "function" then - if functions then - local f = getinfo(v).what == "C" and dump(dummy) or dump(v) - -- local f = getinfo(v).what == "C" and dump(function(...) return v(...) end) or dump(v) - if tk == "number" then -- or find(k,"^%d+$") then - if hexify then - handle(format("%s [0x%04X]=loadstring(%q),",depth,k,f)) - else - handle(format("%s [%s]=loadstring(%q),",depth,k,f)) - end - elseif tk == "boolean" then - handle(format("%s [%s]=loadstring(%q),",depth,tostring(k),f)) - elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then - handle(format("%s %s=loadstring(%q),",depth,k,f)) - else - handle(format("%s [%q]=loadstring(%q),",depth,k,f)) - end - end - else - if tk == "number" then -- or find(k,"^%d+$") then - if hexify then - handle(format("%s [0x%04X]=%q,",depth,k,tostring(v))) - else - handle(format("%s [%s]=%q,",depth,k,tostring(v))) - end - elseif tk == "boolean" then -- or find(k,"^%d+$") then - handle(format("%s [%s]=%q,",depth,tostring(k),tostring(v))) - elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then - handle(format("%s %s=%q,",depth,k,tostring(v))) - else - handle(format("%s [%q]=%q,",depth,k,tostring(v))) - end - end - end - end - if level > 0 then - handle(format("%s},",depth)) - end -end - --- replacing handle by a direct t[#t+1] = ... (plus test) is not much --- faster (0.03 on 1.00 for zapfino.tma) - -local function serialize(_handle,root,name,specification) -- handle wins - local tname = type(name) - if type(specification) == "table" then - noquotes = specification.noquotes - hexify = specification.hexify - handle = _handle or specification.handle or print - reduce = specification.reduce or false - functions = specification.functions - compact = specification.compact - inline = specification.inline and compact - if functions == nil then - functions = true - end - if compact == nil then - compact = true - end - if inline == nil then - inline = compact - end - else - noquotes = false - hexify = false - handle = _handle or print - reduce = false - compact = true - inline = true - functions = true - end - if tname == "string" then - if name == "return" then - handle("return {") - else - handle(name .. "={") - end - elseif tname == "number" then - if hexify then - handle(format("[0x%04X]={",name)) - else - handle("[" .. name .. "]={") - end - elseif tname == "boolean" then - if name then - handle("return {") - else - handle("{") - end - else - handle("t={") - end - if root then - -- The dummy access will initialize a table that has a delayed initialization - -- using a metatable. (maybe explicitly test for metatable) - if getmetatable(root) then -- todo: make this an option, maybe even per subtable - local dummy = root._w_h_a_t_e_v_e_r_ - root._w_h_a_t_e_v_e_r_ = nil - end - -- Let's forget about empty tables. - if next(root) then - do_serialize(root,name,"",0) - end - end - handle("}") -end - - -function table.serialize(root,name,specification) - local t, n = { }, 0 - local function flush(s) - n = n + 1 - t[n] = s - end - serialize(flush,root,name,specification) - return concat(t,"\n") -end - -table.tohandle = serialize - --- sometimes tables are real use (zapfino extra pro is some 85M) in which --- case a stepwise serialization is nice; actually, we could consider: --- --- for line in table.serializer(root,name,reduce,noquotes) do --- ...(line) --- end --- --- so this is on the todo list - -local maxtab = 2*1024 - -function table.tofile(filename,root,name,specification) - local f = io.open(filename,'w') - if f then - if maxtab > 1 then - local t, n = { }, 0 - local function flush(s) - n = n + 1 - t[n] = s - if n > maxtab then - f:write(concat(t,"\n"),"\n") -- hm, write(sometable) should be nice - t, n = { }, 0 -- we could recycle t if needed - end - end - serialize(flush,root,name,specification) - f:write(concat(t,"\n"),"\n") - else - local function flush(s) - f:write(s,"\n") - end - serialize(flush,root,name,specification) - end - f:close() - io.flush() - end -end - -local function flattened(t,f,depth) - if f == nil then - f = { } - depth = 0xFFFF - elseif tonumber(f) then - -- assume then only two arguments are given - depth = f - f = { } - elseif not depth then - depth = 0xFFFF - end - for k, v in next, t do - if type(k) ~= "number" then - if depth > 0 and type(v) == "table" then - flattened(v,f,depth-1) - else - f[k] = v - end - end - end - local n = #f - for k=1,#t do - local v = t[k] - if depth > 0 and type(v) == "table" then - flattened(v,f,depth-1) - n = #f - else - n = n + 1 - f[n] = v - end - end - return f -end - -table.flattened = flattened - -local function unnest(t,f) -- only used in mk, for old times sake - if not f then -- and only relevant for token lists - f = { } - end - for i=1,#t do - local v = t[i] - if type(v) == "table" then - if type(v[1]) == "table" then - unnest(v,f) - else - f[#f+1] = v - end - else - f[#f+1] = v - end - end - return f -end - -function table.unnest(t) -- bad name - return unnest(t) -end - -local function are_equal(a,b,n,m) -- indexed - if a and b and #a == #b then - n = n or 1 - m = m or #a - for i=n,m do - local ai, bi = a[i], b[i] - if ai==bi then - -- same - elseif type(ai)=="table" and type(bi)=="table" then - if not are_equal(ai,bi) then - return false - end - else - return false - end - end - return true - else - return false - end -end - -local function identical(a,b) -- assumes same structure - for ka, va in next, a do - local vb = b[ka] - if va == vb then - -- same - elseif type(va) == "table" and type(vb) == "table" then - if not identical(va,vb) then - return false - end - else - return false - end - end - return true -end - -table.identical = identical -table.are_equal = are_equal - --- maybe also make a combined one - -function table.compact(t) - if t then - for k,v in next, t do - if not next(v) then - t[k] = nil - end - end - end -end - -function table.contains(t, v) - if t then - for i=1, #t do - if t[i] == v then - return i - end - end - end - return false -end - -function table.count(t) - local n = 0 - for k, v in next, t do - n = n + 1 - end - return n -end - -function table.swapped(t,s) -- hash - local n = { } - if s then - for k, v in next, s do - n[k] = v - end - end - for k, v in next, t do - n[v] = k - end - return n -end - -function table.reversed(t) - if t then - local tt, tn = { }, #t - if tn > 0 then - local ttn = 0 - for i=tn,1,-1 do - ttn = ttn + 1 - tt[ttn] = t[i] - end - end - return tt - end -end - -function table.sequenced(t,sep,simple) -- hash only - local s, n = { }, 0 - for k, v in sortedhash(t) do - if simple then - if v == true then - n = n + 1 - s[n] = k - elseif v and v~= "" then - n = n + 1 - s[n] = k .. "=" .. tostring(v) - end - else - n = n + 1 - s[n] = k .. "=" .. tostring(v) - end - end - return concat(s, sep or " | ") -end - -function table.print(t,...) - if type(t) ~= "table" then - print(tostring(t)) - else - table.tohandle(print,t,...) - end -end - --- -- -- obsolete but we keep them for a while and might comment them later -- -- -- - --- roughly: copy-loop : unpack : sub == 0.9 : 0.4 : 0.45 (so in critical apps, use unpack) - -function table.sub(t,i,j) - return { unpack(t,i,j) } -end - --- slower than #t on indexed tables (#t only returns the size of the numerically indexed slice) - -function table.is_empty(t) - return not t or not next(t) -end - -function table.has_one_entry(t) - return t and not next(t,next(t)) -end - --- new - -function table.loweredkeys(t) -- maybe utf - local l = { } - for k, v in next, t do - l[lower(k)] = v - end - return l -end - --- new, might move (maybe duplicate) - -function table.unique(old) - local hash = { } - local new = { } - local n = 0 - for i=1,#old do - local oi = old[i] - if not hash[oi] then - n = n + 1 - new[n] = oi - hash[oi] = true - end - end - return new -end - --- function table.sorted(t,...) --- table.sort(t,...) --- return t -- still sorts in-place --- end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-lpeg'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - - --- a new lpeg fails on a #(1-P(":")) test and really needs a + P(-1) - -local lpeg = require("lpeg") - --- tracing (only used when we encounter a problem in integration of lpeg in luatex) - -local report = texio and texio.write_nl or print - - - - -local type = type -local byte, char, gmatch = string.byte, string.char, string.gmatch - --- Beware, we predefine a bunch of patterns here and one reason for doing so --- is that we get consistent behaviour in some of the visualizers. - -lpeg.patterns = lpeg.patterns or { } -- so that we can share -local patterns = lpeg.patterns - -local P, R, S, V, match = lpeg.P, lpeg.R, lpeg.S, lpeg.V, lpeg.match -local Ct, C, Cs, Cc = lpeg.Ct, lpeg.C, lpeg.Cs, lpeg.Cc -local lpegtype = lpeg.type - -local utfcharacters = string.utfcharacters -local utfgmatch = unicode and unicode.utf8.gmatch - -local anything = P(1) -local endofstring = P(-1) -local alwaysmatched = P(true) - -patterns.anything = anything -patterns.endofstring = endofstring -patterns.beginofstring = alwaysmatched -patterns.alwaysmatched = alwaysmatched - -local digit, sign = R('09'), S('+-') -local cr, lf, crlf = P("\r"), P("\n"), P("\r\n") -local newline = crlf + S("\r\n") -- cr + lf -local escaped = P("\\") * anything -local squote = P("'") -local dquote = P('"') -local space = P(" ") - -local utfbom_32_be = P('\000\000\254\255') -local utfbom_32_le = P('\255\254\000\000') -local utfbom_16_be = P('\255\254') -local utfbom_16_le = P('\254\255') -local utfbom_8 = P('\239\187\191') -local utfbom = utfbom_32_be + utfbom_32_le - + utfbom_16_be + utfbom_16_le - + utfbom_8 -local utftype = utfbom_32_be / "utf-32-be" + utfbom_32_le / "utf-32-le" - + utfbom_16_be / "utf-16-be" + utfbom_16_le / "utf-16-le" - + utfbom_8 / "utf-8" + alwaysmatched / "unknown" - -local utf8next = R("\128\191") - -patterns.utf8one = R("\000\127") -patterns.utf8two = R("\194\223") * utf8next -patterns.utf8three = R("\224\239") * utf8next * utf8next -patterns.utf8four = R("\240\244") * utf8next * utf8next * utf8next -patterns.utfbom = utfbom -patterns.utftype = utftype - -local utf8char = patterns.utf8one + patterns.utf8two + patterns.utf8three + patterns.utf8four -local validutf8char = utf8char^0 * endofstring * Cc(true) + Cc(false) - -patterns.utf8 = utf8char -patterns.utf8char = utf8char -patterns.validutf8 = validutf8char -patterns.validutf8char = validutf8char - -patterns.digit = digit -patterns.sign = sign -patterns.cardinal = sign^0 * digit^1 -patterns.integer = sign^0 * digit^1 -patterns.float = sign^0 * digit^0 * P('.') * digit^1 -patterns.cfloat = sign^0 * digit^0 * P(',') * digit^1 -patterns.number = patterns.float + patterns.integer -patterns.cnumber = patterns.cfloat + patterns.integer -patterns.oct = P("0") * R("07")^1 -patterns.octal = patterns.oct -patterns.HEX = P("0x") * R("09","AF")^1 -patterns.hex = P("0x") * R("09","af")^1 -patterns.hexadecimal = P("0x") * R("09","AF","af")^1 -patterns.lowercase = R("az") -patterns.uppercase = R("AZ") -patterns.letter = patterns.lowercase + patterns.uppercase -patterns.space = space -patterns.tab = P("\t") -patterns.spaceortab = patterns.space + patterns.tab -patterns.eol = S("\n\r") -patterns.spacer = S(" \t\f\v") -- + char(0xc2, 0xa0) if we want utf (cf mail roberto) -patterns.newline = newline -patterns.emptyline = newline^1 -patterns.nonspacer = 1 - patterns.spacer -patterns.whitespace = patterns.eol + patterns.spacer -patterns.nonwhitespace = 1 - patterns.whitespace -patterns.equal = P("=") -patterns.comma = P(",") -patterns.commaspacer = P(",") * patterns.spacer^0 -patterns.period = P(".") -patterns.colon = P(":") -patterns.semicolon = P(";") -patterns.underscore = P("_") -patterns.escaped = escaped -patterns.squote = squote -patterns.dquote = dquote -patterns.nosquote = (escaped + (1-squote))^0 -patterns.nodquote = (escaped + (1-dquote))^0 -patterns.unsingle = (squote/"") * patterns.nosquote * (squote/"") -patterns.undouble = (dquote/"") * patterns.nodquote * (dquote/"") -patterns.unquoted = patterns.undouble + patterns.unsingle -- more often undouble -patterns.unspacer = ((patterns.spacer^1)/"")^0 - -patterns.somecontent = (anything - newline - space)^1 -- (utf8char - newline - space)^1 -patterns.beginline = #(1-newline) - --- print(string.unquoted("test")) --- print(string.unquoted([["t\"est"]])) --- print(string.unquoted([["t\"est"x]])) --- print(string.unquoted("\'test\'")) --- print(string.unquoted('"test"')) --- print(string.unquoted('"test"')) - -function lpeg.anywhere(pattern) --slightly adapted from website - return P { P(pattern) + 1 * V(1) } -- why so complex? -end - -function lpeg.splitter(pattern, action) - return (((1-P(pattern))^1)/action+1)^0 -end - -function lpeg.tsplitter(pattern, action) - return Ct((((1-P(pattern))^1)/action+1)^0) -end - --- probleem: separator can be lpeg and that does not hash too well, but --- it's quite okay as the key is then not garbage collected - -local splitters_s, splitters_m, splitters_t = { }, { }, { } - -local function splitat(separator,single) - local splitter = (single and splitters_s[separator]) or splitters_m[separator] - if not splitter then - separator = P(separator) - local other = C((1 - separator)^0) - if single then - local any = anything - splitter = other * (separator * C(any^0) + "") -- ? - splitters_s[separator] = splitter - else - splitter = other * (separator * other)^0 - splitters_m[separator] = splitter - end - end - return splitter -end - -local function tsplitat(separator) - local splitter = splitters_t[separator] - if not splitter then - splitter = Ct(splitat(separator)) - splitters_t[separator] = splitter - end - return splitter -end - -lpeg.splitat = splitat -lpeg.tsplitat = tsplitat - -function string.splitup(str,separator) - if not separator then - separator = "," - end - return match(splitters_m[separator] or splitat(separator),str) -end - - -local cache = { } - -function lpeg.split(separator,str) - local c = cache[separator] - if not c then - c = tsplitat(separator) - cache[separator] = c - end - return match(c,str) -end - -function string.split(str,separator) - local c = cache[separator] - if not c then - c = tsplitat(separator) - cache[separator] = c - end - return match(c,str) -end - -local spacing = patterns.spacer^0 * newline -- sort of strip -local empty = spacing * Cc("") -local nonempty = Cs((1-spacing)^1) * spacing^-1 -local content = (empty + nonempty)^1 - -patterns.textline = content - - -local linesplitter = tsplitat(newline) - -patterns.linesplitter = linesplitter - -function string.splitlines(str) - return match(linesplitter,str) -end - -local utflinesplitter = utfbom^-1 * tsplitat(newline) - -patterns.utflinesplitter = utflinesplitter - -function string.utfsplitlines(str) - return match(utflinesplitter,str or "") -end - - -local cache = { } - -function lpeg.checkedsplit(separator,str) - local c = cache[separator] - if not c then - separator = P(separator) - local other = C((1 - separator)^1) - c = Ct(separator^0 * other * (separator^1 * other)^0) - cache[separator] = c - end - return match(c,str) -end - -function string.checkedsplit(str,separator) - local c = cache[separator] - if not c then - separator = P(separator) - local other = C((1 - separator)^1) - c = Ct(separator^0 * other * (separator^1 * other)^0) - cache[separator] = c - end - return match(c,str) -end - - -local function f2(s) local c1, c2 = byte(s,1,2) return c1 * 64 + c2 - 12416 end -local function f3(s) local c1, c2, c3 = byte(s,1,3) return (c1 * 64 + c2) * 64 + c3 - 925824 end -local function f4(s) local c1, c2, c3, c4 = byte(s,1,4) return ((c1 * 64 + c2) * 64 + c3) * 64 + c4 - 63447168 end - -local utf8byte = patterns.utf8one/byte + patterns.utf8two/f2 + patterns.utf8three/f3 + patterns.utf8four/f4 - -patterns.utf8byte = utf8byte - - - -local cache = { } - -function lpeg.stripper(str) - if type(str) == "string" then - local s = cache[str] - if not s then - s = Cs(((S(str)^1)/"" + 1)^0) - cache[str] = s - end - return s - else - return Cs(((str^1)/"" + 1)^0) - end -end - -local cache = { } - -function lpeg.keeper(str) - if type(str) == "string" then - local s = cache[str] - if not s then - s = Cs((((1-S(str))^1)/"" + 1)^0) - cache[str] = s - end - return s - else - return Cs((((1-str)^1)/"" + 1)^0) - end -end - -function lpeg.frontstripper(str) -- or pattern (yet undocumented) - return (P(str) + P(true)) * Cs(P(1)^0) -end - -function lpeg.endstripper(str) -- or pattern (yet undocumented) - return Cs((1 - P(str) * P(-1))^0) -end - --- Just for fun I looked at the used bytecode and --- p = (p and p + pp) or pp gets one more (testset). - -function lpeg.replacer(one,two) - if type(one) == "table" then - local no = #one - if no > 0 then - local p - for i=1,no do - local o = one[i] - local pp = P(o[1]) / o[2] - if p then - p = p + pp - else - p = pp - end - end - return Cs((p + 1)^0) - end - else - two = two or "" - return Cs((P(one)/two + 1)^0) - end -end - -local splitters_f, splitters_s = { }, { } - -function lpeg.firstofsplit(separator) -- always return value - local splitter = splitters_f[separator] - if not splitter then - separator = P(separator) - splitter = C((1 - separator)^0) - splitters_f[separator] = splitter - end - return splitter -end - -function lpeg.secondofsplit(separator) -- nil if not split - local splitter = splitters_s[separator] - if not splitter then - separator = P(separator) - splitter = (1 - separator)^0 * separator * C(anything^0) - splitters_s[separator] = splitter - end - return splitter -end - -function lpeg.balancer(left,right) - left, right = P(left), P(right) - return P { left * ((1 - left - right) + V(1))^0 * right } -end - - - -local nany = utf8char/"" - -function lpeg.counter(pattern) - pattern = Cs((P(pattern)/" " + nany)^0) - return function(str) - return #match(pattern,str) - end -end - -if utfgmatch then - - function lpeg.count(str,what) -- replaces string.count - if type(what) == "string" then - local n = 0 - for _ in utfgmatch(str,what) do - n = n + 1 - end - return n - else -- 4 times slower but still faster than / function - return #match(Cs((P(what)/" " + nany)^0),str) - end - end - -else - - local cache = { } - - function lpeg.count(str,what) -- replaces string.count - if type(what) == "string" then - local p = cache[what] - if not p then - p = Cs((P(what)/" " + nany)^0) - cache[p] = p - end - return #match(p,str) - else -- 4 times slower but still faster than / function - return #match(Cs((P(what)/" " + nany)^0),str) - end - end - -end - -local patterns_escapes = { -- also defines in l-string - ["%"] = "%%", - ["."] = "%.", - ["+"] = "%+", ["-"] = "%-", ["*"] = "%*", - ["["] = "%[", ["]"] = "%]", - ["("] = "%)", [")"] = "%)", - -- ["{"] = "%{", ["}"] = "%}" - -- ["^"] = "%^", ["$"] = "%$", -} - -local simple_escapes = { -- also defines in l-string - ["-"] = "%-", - ["."] = "%.", - ["?"] = ".", - ["*"] = ".*", -} - -local p = Cs((S("-.+*%()[]") / patterns_escapes + anything)^0) -local s = Cs((S("-.+*%()[]") / simple_escapes + anything)^0) - -function string.escapedpattern(str,simple) - return match(simple and s or p,str) -end - --- utf extensies - -lpeg.UP = lpeg.P - -if utfcharacters then - - function lpeg.US(str) - local p - for uc in utfcharacters(str) do - if p then - p = p + P(uc) - else - p = P(uc) - end - end - return p - end - - -elseif utfgmatch then - - function lpeg.US(str) - local p - for uc in utfgmatch(str,".") do - if p then - p = p + P(uc) - else - p = P(uc) - end - end - return p - end - -else - - function lpeg.US(str) - local p - local f = function(uc) - if p then - p = p + P(uc) - else - p = P(uc) - end - end - match((utf8char/f)^0,str) - return p - end - -end - -local range = Cs(utf8byte) * (Cs(utf8byte) + Cc(false)) - -local utfchar = unicode and unicode.utf8 and unicode.utf8.char - -function lpeg.UR(str,more) - local first, last - if type(str) == "number" then - first = str - last = more or first - else - first, last = match(range,str) - if not last then - return P(str) - end - end - if first == last then - return P(str) - elseif utfchar and last - first < 8 then -- a somewhat arbitrary criterium - local p - for i=first,last do - if p then - p = p + P(utfchar(i)) - else - p = P(utfchar(i)) - end - end - return p -- nil when invalid range - else - local f = function(b) - return b >= first and b <= last - end - return utf8byte / f -- nil when invalid range - end -end - - - -function lpeg.oneof(list,...) -- lpeg.oneof("elseif","else","if","then") - if type(list) ~= "table" then - list = { list, ... } - end - -- sort(list) -- longest match first - local p = P(list[1]) - for l=2,#list do - p = p + P(list[l]) - end - return p -end - -function lpeg.is_lpeg(p) - return p and lpegtype(p) == "pattern" -end - --- For the moment here, but it might move to utilities. Beware, we need to --- have the longest keyword first, so 'aaa' comes beforte 'aa' which is why we --- loop back from the end cq. prepend. - -local sort, fastcopy, sortedkeys = table.sort, table.fastcopy, table.sortedkeys -- dependency! - -function lpeg.append(list,pp,delayed,checked) - local p = pp - if #list > 0 then - local keys = fastcopy(list) - sort(keys) - for i=#keys,1,-1 do - local k = keys[i] - if p then - p = P(k) + p - else - p = P(k) - end - end - elseif delayed then -- hm, it looks like the lpeg parser resolves anyway - local keys = sortedkeys(list) - if p then - for i=1,#keys,1 do - local k = keys[i] - local v = list[k] - p = P(k)/list + p - end - else - for i=1,#keys do - local k = keys[i] - local v = list[k] - if p then - p = P(k) + p - else - p = P(k) - end - end - if p then - p = p / list - end - end - elseif checked then - -- problem: substitution gives a capture - local keys = sortedkeys(list) - for i=1,#keys do - local k = keys[i] - local v = list[k] - if p then - if k == v then - p = P(k) + p - else - p = P(k)/v + p - end - else - if k == v then - p = P(k) - else - p = P(k)/v - end - end - end - else - local keys = sortedkeys(list) - for i=1,#keys do - local k = keys[i] - local v = list[k] - if p then - p = P(k)/v + p - else - p = P(k)/v - end - end - end - return p -end - --- inspect(lpeg.append({ a = "1", aa = "1", aaa = "1" } ,nil,true)) --- inspect(lpeg.append({ ["degree celsius"] = "1", celsius = "1", degree = "1" } ,nil,true)) - --- function lpeg.exact_match(words,case_insensitive) --- local pattern = concat(words) --- if case_insensitive then --- local pattern = S(upper(characters)) + S(lower(characters)) --- local list = { } --- for i=1,#words do --- list[lower(words[i])] = true --- end --- return Cmt(pattern^1, function(_,i,s) --- return list[lower(s)] and i --- end) --- else --- local pattern = S(concat(words)) --- local list = { } --- for i=1,#words do --- list[words[i]] = true --- end --- return Cmt(pattern^1, function(_,i,s) --- return list[s] and i --- end) --- end --- end - --- experiment: - -local function make(t) - local p --- for k, v in next, t do - for k, v in table.sortedhash(t) do - if not p then - if next(v) then - p = P(k) * make(v) - else - p = P(k) - end - else - if next(v) then - p = p + P(k) * make(v) - else - p = p + P(k) - end - end - end - return p -end - -function lpeg.utfchartabletopattern(list) - local tree = { } - for i=1,#list do - local t = tree - for c in gmatch(list[i],".") do - if not t[c] then - t[c] = { } - end - t = t[c] - end - end - return make(tree) -end - --- inspect ( lpeg.utfchartabletopattern { --- utfchar(0x00A0), -- nbsp --- utfchar(0x2000), -- enquad --- utfchar(0x2001), -- emquad --- utfchar(0x2002), -- enspace --- utfchar(0x2003), -- emspace --- utfchar(0x2004), -- threeperemspace --- utfchar(0x2005), -- fourperemspace --- utfchar(0x2006), -- sixperemspace --- utfchar(0x2007), -- figurespace --- utfchar(0x2008), -- punctuationspace --- utfchar(0x2009), -- breakablethinspace --- utfchar(0x200A), -- hairspace --- utfchar(0x200B), -- zerowidthspace --- utfchar(0x202F), -- narrownobreakspace --- utfchar(0x205F), -- math thinspace --- } ) - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-io'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local io = io -local byte, find, gsub, format = string.byte, string.find, string.gsub, string.format -local concat = table.concat -local type = type - -if string.find(os.getenv("PATH"),";") then - io.fileseparator, io.pathseparator = "\\", ";" -else - io.fileseparator, io.pathseparator = "/" , ":" -end - -function io.loaddata(filename,textmode) - local f = io.open(filename,(textmode and 'r') or 'rb') - if f then - local data = f:read('*all') - f:close() - return data - else - return nil - end -end - -function io.savedata(filename,data,joiner) - local f = io.open(filename,"wb") - if f then - if type(data) == "table" then - f:write(concat(data,joiner or "")) - elseif type(data) == "function" then - data(f) - else - f:write(data or "") - end - f:close() - io.flush() - return true - else - return false - end -end - -function io.exists(filename) - local f = io.open(filename) - if f == nil then - return false - else - assert(f:close()) - return true - end -end - -function io.size(filename) - local f = io.open(filename) - if f == nil then - return 0 - else - local s = f:seek("end") - assert(f:close()) - return s - end -end - -function io.noflines(f) - if type(f) == "string" then - local f = io.open(filename) - local n = f and io.noflines(f) or 0 - assert(f:close()) - return n - else - local n = 0 - for _ in f:lines() do - n = n + 1 - end - f:seek('set',0) - return n - end -end - -local nextchar = { - [ 4] = function(f) - return f:read(1,1,1,1) - end, - [ 2] = function(f) - return f:read(1,1) - end, - [ 1] = function(f) - return f:read(1) - end, - [-2] = function(f) - local a, b = f:read(1,1) - return b, a - end, - [-4] = function(f) - local a, b, c, d = f:read(1,1,1,1) - return d, c, b, a - end -} - -function io.characters(f,n) - if f then - return nextchar[n or 1], f - end -end - -local nextbyte = { - [4] = function(f) - local a, b, c, d = f:read(1,1,1,1) - if d then - return byte(a), byte(b), byte(c), byte(d) - end - end, - [3] = function(f) - local a, b, c = f:read(1,1,1) - if b then - return byte(a), byte(b), byte(c) - end - end, - [2] = function(f) - local a, b = f:read(1,1) - if b then - return byte(a), byte(b) - end - end, - [1] = function (f) - local a = f:read(1) - if a then - return byte(a) - end - end, - [-2] = function (f) - local a, b = f:read(1,1) - if b then - return byte(b), byte(a) - end - end, - [-3] = function(f) - local a, b, c = f:read(1,1,1) - if b then - return byte(c), byte(b), byte(a) - end - end, - [-4] = function(f) - local a, b, c, d = f:read(1,1,1,1) - if d then - return byte(d), byte(c), byte(b), byte(a) - end - end -} - -function io.bytes(f,n) - if f then - return nextbyte[n or 1], f - else - return nil, nil - end -end - -function io.ask(question,default,options) - while true do - io.write(question) - if options then - io.write(format(" [%s]",concat(options,"|"))) - end - if default then - io.write(format(" [%s]",default)) - end - io.write(format(" ")) - io.flush() - local answer = io.read() - answer = gsub(answer,"^%s*(.*)%s*$","%1") - if answer == "" and default then - return default - elseif not options then - return answer - else - for k=1,#options do - if options[k] == answer then - return answer - end - end - local pattern = "^" .. answer - for k=1,#options do - local v = options[k] - if find(v,pattern) then - return v - end - end - end - end -end - -local function readnumber(f,n,m) - if m then - f:seek("set",n) - n = m - end - if n == 1 then - return byte(f:read(1)) - elseif n == 2 then - local a, b = byte(f:read(2),1,2) - return 256 * a + b - elseif n == 3 then - local a, b, c = byte(f:read(3),1,3) - return 256*256 * a + 256 * b + c - elseif n == 4 then - local a, b, c, d = byte(f:read(4),1,4) - return 256*256*256 * a + 256*256 * b + 256 * c + d - elseif n == 8 then - local a, b = readnumber(f,4), readnumber(f,4) - return 256 * a + b - elseif n == 12 then - local a, b, c = readnumber(f,4), readnumber(f,4), readnumber(f,4) - return 256*256 * a + 256 * b + c - elseif n == -2 then - local b, a = byte(f:read(2),1,2) - return 256*a + b - elseif n == -3 then - local c, b, a = byte(f:read(3),1,3) - return 256*256 * a + 256 * b + c - elseif n == -4 then - local d, c, b, a = byte(f:read(4),1,4) - return 256*256*256 * a + 256*256 * b + 256*c + d - elseif n == -8 then - local h, g, f, e, d, c, b, a = byte(f:read(8),1,8) - return 256*256*256*256*256*256*256 * a + - 256*256*256*256*256*256 * b + - 256*256*256*256*256 * c + - 256*256*256*256 * d + - 256*256*256 * e + - 256*256 * f + - 256 * g + - h - else - return 0 - end -end - -io.readnumber = readnumber - -function io.readstring(f,n,m) - if m then - f:seek("set",n) - n = m - end - local str = gsub(f:read(n),"%z","") - return str -end - --- - -if not io.i_limiter then function io.i_limiter() end end -- dummy so we can test safely -if not io.o_limiter then function io.o_limiter() end end -- dummy so we can test safely - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-number'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- this module will be replaced when we have the bit library - -local tostring = tostring -local format, floor, match, rep = string.format, math.floor, string.match, string.rep -local concat, insert = table.concat, table.insert -local lpegmatch = lpeg.match - -number = number or { } -local number = number - --- a,b,c,d,e,f = number.toset(100101) - -function number.toset(n) - return match(tostring(n),"(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?)") -end - -function number.toevenhex(n) - local s = format("%X",n) - if #s % 2 == 0 then - return s - else - return "0" .. s - end -end - --- the lpeg way is slower on 8 digits, but faster on 4 digits, some 7.5% --- on --- --- for i=1,1000000 do --- local a,b,c,d,e,f,g,h = number.toset(12345678) --- local a,b,c,d = number.toset(1234) --- local a,b,c = number.toset(123) --- end --- --- of course dedicated "(.)(.)(.)(.)" matches are even faster - -local one = lpeg.C(1-lpeg.S(''))^1 - -function number.toset(n) - return lpegmatch(one,tostring(n)) -end - -function number.bits(n,zero) - local t, i = { }, (zero and 0) or 1 - while n > 0 do - local m = n % 2 - if m > 0 then - insert(t,1,i) - end - n = floor(n/2) - i = i + 1 - end - return t -end - - -function number.bit(p) - return 2 ^ (p - 1) -- 1-based indexing -end - -function number.hasbit(x, p) -- typical call: if hasbit(x, bit(3)) then ... - return x % (p + p) >= p -end - -function number.setbit(x, p) - return hasbit(x, p) and x or x + p -end - -function number.clearbit(x, p) - return hasbit(x, p) and x - p or x -end - - -function number.tobitstring(n,m) - if n == 0 then - if m then - rep("00000000",m) - else - return "00000000" - end - else - local t = { } - while n > 0 do - insert(t,1,n % 2 > 0 and 1 or 0) - n = floor(n/2) - end - local nn = 8 - #t % 8 - if nn > 0 and nn < 8 then - for i=1,nn do - insert(t,1,0) - end - end - if m then - m = m * 8 - #t - if m > 0 then - insert(t,1,rep("0",m)) - end - end - return concat(t) - end -end - - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-set'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- This will become obsolete when we have the bitset library embedded. - -set = set or { } - -local nums = { } -local tabs = { } -local concat = table.concat -local next, type = next, type - -set.create = table.tohash - -function set.tonumber(t) - if next(t) then - local s = "" - -- we could save mem by sorting, but it slows down - for k, v in next, t do - if v then - -- why bother about the leading space - s = s .. " " .. k - end - end - local n = nums[s] - if not n then - n = #tabs + 1 - tabs[n] = t - nums[s] = n - end - return n - else - return 0 - end -end - -function set.totable(n) - if n == 0 then - return { } - else - return tabs[n] or { } - end -end - -function set.tolist(n) - if n == 0 or not tabs[n] then - return "" - else - local t, n = { }, 0 - for k, v in next, tabs[n] do - if v then - n = n + 1 - t[n] = k - end - end - return concat(t," ") - end -end - -function set.contains(n,s) - if type(n) == "table" then - return n[s] - elseif n == 0 then - return false - else - local t = tabs[n] - return t and t[s] - end -end - - - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-os'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- This file deals with some operating system issues. Please don't bother me --- with the pros and cons of operating systems as they all have their flaws --- and benefits. Bashing one of them won't help solving problems and fixing --- bugs faster and is a waste of time and energy. --- --- path separators: / or \ ... we can use / everywhere --- suffixes : dll so exe <none> ... no big deal --- quotes : we can use "" in most cases --- expansion : unless "" are used * might give side effects --- piping/threads : somewhat different for each os --- locations : specific user file locations and settings can change over time --- --- os.type : windows | unix (new, we already guessed os.platform) --- os.name : windows | msdos | linux | macosx | solaris | .. | generic (new) --- os.platform : extended os.name with architecture - --- maybe build io.flush in os.execute - -local os = os -local find, format, gsub, upper, gmatch = string.find, string.format, string.gsub, string.upper, string.gmatch -local concat = table.concat -local random, ceil = math.random, math.ceil -local rawget, rawset, type, getmetatable, setmetatable, tonumber = rawget, rawset, type, getmetatable, setmetatable, tonumber - --- The following code permits traversing the environment table, at least --- in luatex. Internally all environment names are uppercase. - -if not os.__getenv__ then - - os.__getenv__ = os.getenv - os.__setenv__ = os.setenv - - if os.env then - - local osgetenv = os.getenv - local ossetenv = os.setenv - local osenv = os.env local _ = osenv.PATH -- initialize the table - - function os.setenv(k,v) - if v == nil then - v = "" - end - local K = upper(k) - osenv[K] = v - if type(v) == "table" then - v = concat(v,";") -- path - end - ossetenv(K,v) - end - - function os.getenv(k) - local K = upper(k) - local v = osenv[K] or osenv[k] or osgetenv(K) or osgetenv(k) - if v == "" then - return nil - else - return v - end - end - - else - - local ossetenv = os.setenv - local osgetenv = os.getenv - local osenv = { } - - function os.setenv(k,v) - if v == nil then - v = "" - end - local K = upper(k) - osenv[K] = v - end - - function os.getenv(k) - local K = upper(k) - local v = osenv[K] or osgetenv(K) or osgetenv(k) - if v == "" then - return nil - else - return v - end - end - - local function __index(t,k) - return os.getenv(k) - end - local function __newindex(t,k,v) - os.setenv(k,v) - end - - os.env = { } - - setmetatable(os.env, { __index = __index, __newindex = __newindex } ) - - end - -end - --- end of environment hack - -local execute, spawn, exec, iopopen, ioflush = os.execute, os.spawn or os.execute, os.exec or os.execute, io.popen, io.flush - -function os.execute(...) ioflush() return execute(...) end -function os.spawn (...) ioflush() return spawn (...) end -function os.exec (...) ioflush() return exec (...) end -function io.popen (...) ioflush() return iopopen(...) end - -function os.resultof(command) - local handle = io.popen(command,"r") - return handle and handle:read("*all") or "" -end - -if not io.fileseparator then - if find(os.getenv("PATH"),";") then - io.fileseparator, io.pathseparator, os.type = "\\", ";", os.type or "mswin" - else - io.fileseparator, io.pathseparator, os.type = "/" , ":", os.type or "unix" - end -end - -os.type = os.type or (io.pathseparator == ";" and "windows") or "unix" -os.name = os.name or (os.type == "windows" and "mswin" ) or "linux" - -if os.type == "windows" then - os.libsuffix, os.binsuffix, os.binsuffixes = 'dll', 'exe', { 'exe', 'cmd', 'bat' } -else - os.libsuffix, os.binsuffix, os.binsuffixes = 'so', '', { '' } -end - -function os.launch(str) - if os.type == "windows" then - os.execute("start " .. str) -- os.spawn ? - else - os.execute(str .. " &") -- os.spawn ? - end -end - -if not os.times then - -- utime = user time - -- stime = system time - -- cutime = children user time - -- cstime = children system time - function os.times() - return { - utime = os.gettimeofday(), -- user - stime = 0, -- system - cutime = 0, -- children user - cstime = 0, -- children system - } - end -end - -os.gettimeofday = os.gettimeofday or os.clock - -local startuptime = os.gettimeofday() - -function os.runtime() - return os.gettimeofday() - startuptime -end - - --- no need for function anymore as we have more clever code and helpers now --- this metatable trickery might as well disappear - -os.resolvers = os.resolvers or { } -- will become private - -local resolvers = os.resolvers - -local osmt = getmetatable(os) or { __index = function(t,k) t[k] = "unset" return "unset" end } -- maybe nil -local osix = osmt.__index - -osmt.__index = function(t,k) - return (resolvers[k] or osix)(t,k) -end - -setmetatable(os,osmt) - --- we can use HOSTTYPE on some platforms - -local name, platform = os.name or "linux", os.getenv("MTX_PLATFORM") or "" - -local function guess() - local architecture = os.resultof("uname -m") or "" - if architecture ~= "" then - return architecture - end - architecture = os.getenv("HOSTTYPE") or "" - if architecture ~= "" then - return architecture - end - return os.resultof("echo $HOSTTYPE") or "" -end - -if platform ~= "" then - - os.platform = platform - -elseif os.type == "windows" then - - -- we could set the variable directly, no function needed here - - function os.resolvers.platform(t,k) - local platform, architecture = "", os.getenv("PROCESSOR_ARCHITECTURE") or "" - if find(architecture,"AMD64") then - platform = "mswin-64" - else - platform = "mswin" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "linux" then - - function os.resolvers.platform(t,k) - -- we sometimes have HOSTTYPE set so let's check that first - local platform, architecture = "", os.getenv("HOSTTYPE") or os.resultof("uname -m") or "" - if find(architecture,"x86_64") then - platform = "linux-64" - elseif find(architecture,"ppc") then - platform = "linux-ppc" - else - platform = "linux" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "macosx" then - - --[[ - Identifying the architecture of OSX is quite a mess and this - is the best we can come up with. For some reason $HOSTTYPE is - a kind of pseudo environment variable, not known to the current - environment. And yes, uname cannot be trusted either, so there - is a change that you end up with a 32 bit run on a 64 bit system. - Also, some proper 64 bit intel macs are too cheap (low-end) and - therefore not permitted to run the 64 bit kernel. - ]]-- - - function os.resolvers.platform(t,k) - -- local platform, architecture = "", os.getenv("HOSTTYPE") or "" - -- if architecture == "" then - -- architecture = os.resultof("echo $HOSTTYPE") or "" - -- end - local platform, architecture = "", os.resultof("echo $HOSTTYPE") or "" - if architecture == "" then - -- print("\nI have no clue what kind of OSX you're running so let's assume an 32 bit intel.\n") - platform = "osx-intel" - elseif find(architecture,"i386") then - platform = "osx-intel" - elseif find(architecture,"x86_64") then - platform = "osx-64" - else - platform = "osx-ppc" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "sunos" then - - function os.resolvers.platform(t,k) - local platform, architecture = "", os.resultof("uname -m") or "" - if find(architecture,"sparc") then - platform = "solaris-sparc" - else -- if architecture == 'i86pc' - platform = "solaris-intel" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "freebsd" then - - function os.resolvers.platform(t,k) - local platform, architecture = "", os.resultof("uname -m") or "" - if find(architecture,"amd64") then - platform = "freebsd-amd64" - else - platform = "freebsd" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "kfreebsd" then - - function os.resolvers.platform(t,k) - -- we sometimes have HOSTTYPE set so let's check that first - local platform, architecture = "", os.getenv("HOSTTYPE") or os.resultof("uname -m") or "" - if find(architecture,"x86_64") then - platform = "kfreebsd-amd64" - else - platform = "kfreebsd-i386" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -else - - -- platform = "linux" - -- os.setenv("MTX_PLATFORM",platform) - -- os.platform = platform - - function os.resolvers.platform(t,k) - local platform = "linux" - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -end - --- beware, we set the randomseed - --- from wikipedia: Version 4 UUIDs use a scheme relying only on random numbers. This algorithm sets the --- version number as well as two reserved bits. All other bits are set using a random or pseudorandom --- data source. Version 4 UUIDs have the form xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx with hexadecimal --- digits x and hexadecimal digits 8, 9, A, or B for y. e.g. f47ac10b-58cc-4372-a567-0e02b2c3d479. --- --- as we don't call this function too often there is not so much risk on repetition - -local t = { 8, 9, "a", "b" } - -function os.uuid() - return format("%04x%04x-4%03x-%s%03x-%04x-%04x%04x%04x", - random(0xFFFF),random(0xFFFF), - random(0x0FFF), - t[ceil(random(4))] or 8,random(0x0FFF), - random(0xFFFF), - random(0xFFFF),random(0xFFFF),random(0xFFFF) - ) -end - -local d - -function os.timezone(delta) - d = d or tonumber(tonumber(os.date("%H")-os.date("!%H"))) - if delta then - if d > 0 then - return format("+%02i:00",d) - else - return format("-%02i:00",-d) - end - else - return 1 - end -end - -local memory = { } - -local function which(filename) - local fullname = memory[filename] - if fullname == nil then - local suffix = file.suffix(filename) - local suffixes = suffix == "" and os.binsuffixes or { suffix } - for directory in gmatch(os.getenv("PATH"),"[^" .. io.pathseparator .."]+") do - local df = file.join(directory,filename) - for i=1,#suffixes do - local dfs = file.addsuffix(df,suffixes[i]) - if io.exists(dfs) then - fullname = dfs - break - end - end - end - if not fullname then - fullname = false - end - memory[filename] = fullname - end - return fullname -end - -os.which = which -os.where = which - --- print(os.which("inkscape.exe")) --- print(os.which("inkscape")) --- print(os.which("gs.exe")) --- print(os.which("ps2pdf")) - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-file'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- needs a cleanup - -file = file or { } -local file = file - -local insert, concat = table.insert, table.concat -local find, gmatch, match, gsub, sub, char, lower = string.find, string.gmatch, string.match, string.gsub, string.sub, string.char, string.lower -local lpegmatch = lpeg.match -local getcurrentdir, attributes = lfs.currentdir, lfs.attributes - -local P, R, S, C, Cs, Cp, Cc = lpeg.P, lpeg.R, lpeg.S, lpeg.C, lpeg.Cs, lpeg.Cp, lpeg.Cc - -local function dirname(name,default) - return match(name,"^(.+)[/\\].-$") or (default or "") -end - -local function basename(name) - return match(name,"^.+[/\\](.-)$") or name -end - -local function nameonly(name) - return (gsub(match(name,"^.+[/\\](.-)$") or name,"%..*$","")) -end - -local function extname(name,default) - return match(name,"^.+%.([^/\\]-)$") or default or "" -end - -local function splitname(name) - local n, s = match(name,"^(.+)%.([^/\\]-)$") - return n or name, s or "" -end - -file.basename = basename -file.dirname = dirname -file.nameonly = nameonly -file.extname = extname -file.suffix = extname - -function file.removesuffix(filename) - return (gsub(filename,"%.[%a%d]+$","")) -end - -function file.addsuffix(filename, suffix, criterium) - if not suffix or suffix == "" then - return filename - elseif criterium == true then - return filename .. "." .. suffix - elseif not criterium then - local n, s = splitname(filename) - if not s or s == "" then - return filename .. "." .. suffix - else - return filename - end - else - local n, s = splitname(filename) - if s and s ~= "" then - local t = type(criterium) - if t == "table" then - -- keep if in criterium - for i=1,#criterium do - if s == criterium[i] then - return filename - end - end - elseif t == "string" then - -- keep if criterium - if s == criterium then - return filename - end - end - end - return n .. "." .. suffix - end -end - - -function file.replacesuffix(filename, suffix) - return (gsub(filename,"%.[%a%d]+$","")) .. "." .. suffix -end - - -local trick_1 = char(1) -local trick_2 = "^" .. trick_1 .. "/+" - -function file.join(...) -- rather dirty - local lst = { ... } - local a, b = lst[1], lst[2] - if not a or a == "" then -- not a added - lst[1] = trick_1 - elseif b and find(a,"^/+$") and find(b,"^/") then - lst[1] = "" - lst[2] = gsub(b,"^/+","") - end - local pth = concat(lst,"/") - pth = gsub(pth,"\\","/") - local a, b = match(pth,"^(.*://)(.*)$") - if a and b then - return a .. gsub(b,"//+","/") - end - a, b = match(pth,"^(//)(.*)$") - if a and b then - return a .. gsub(b,"//+","/") - end - pth = gsub(pth,trick_2,"") - return (gsub(pth,"//+","/")) -end - - --- We should be able to use: --- --- function file.is_writable(name) --- local a = attributes(name) or attributes(dirname(name,".")) --- return a and sub(a.permissions,2,2) == "w" --- end --- --- But after some testing Taco and I came up with: - -function file.is_writable(name) - if lfs.isdir(name) then - name = name .. "/m_t_x_t_e_s_t.tmp" - local f = io.open(name,"wb") - if f then - f:close() - os.remove(name) - return true - end - elseif lfs.isfile(name) then - local f = io.open(name,"ab") - if f then - f:close() - return true - end - else - local f = io.open(name,"ab") - if f then - f:close() - os.remove(name) - return true - end - end - return false -end - -function file.is_readable(name) - local a = attributes(name) - return a and sub(a.permissions,1,1) == "r" -end - -file.isreadable = file.is_readable -- depricated -file.iswritable = file.is_writable -- depricated - --- todo: lpeg \\ / .. does not save much - -local checkedsplit = string.checkedsplit - -function file.splitpath(str,separator) -- string - str = gsub(str,"\\","/") - return checkedsplit(str,separator or io.pathseparator) -end - -function file.joinpath(tab,separator) -- table - return concat(tab,separator or io.pathseparator) -- can have trailing // -end - --- we can hash them weakly - - -function file.collapsepath(str,anchor) - if anchor and not find(str,"^/") and not find(str,"^%a:") then - str = getcurrentdir() .. "/" .. str - end - if str == "" or str =="." then - return "." - elseif find(str,"^%.%.") then - str = gsub(str,"\\","/") - return str - elseif not find(str,"%.") then - str = gsub(str,"\\","/") - return str - end - str = gsub(str,"\\","/") - local starter, rest = match(str,"^(%a+:/*)(.-)$") - if starter then - str = rest - end - local oldelements = checkedsplit(str,"/") - local newelements = { } - local i = #oldelements - while i > 0 do - local element = oldelements[i] - if element == '.' then - -- do nothing - elseif element == '..' then - local n = i - 1 - while n > 0 do - local element = oldelements[n] - if element ~= '..' and element ~= '.' then - oldelements[n] = '.' - break - else - n = n - 1 - end - end - if n < 1 then - insert(newelements,1,'..') - end - elseif element ~= "" then - insert(newelements,1,element) - end - i = i - 1 - end - if #newelements == 0 then - return starter or "." - elseif starter then - return starter .. concat(newelements, '/') - elseif find(str,"^/") then - return "/" .. concat(newelements,'/') - else - return concat(newelements, '/') - end -end - - -function file.robustname(str,strict) - str = gsub(str,"[^%a%d%/%-%.\\]+","-") - if strict then - return lower(gsub(str,"^%-*(.-)%-*$","%1")) - else - return str - end -end - -file.readdata = io.loaddata -file.savedata = io.savedata - -function file.copy(oldname,newname) - file.savedata(newname,io.loaddata(oldname)) -end - --- lpeg variants, slightly faster, not always - - - - - - - - - - - - - - - - - - - --- also rewrite previous - -local letter = R("az","AZ") + S("_-+") -local separator = P("://") - -local qualified = P(".")^0 * P("/") + letter*P(":") + letter^1*separator + letter^1 * P("/") -local rootbased = P("/") + letter*P(":") - -lpeg.patterns.qualified = qualified -lpeg.patterns.rootbased = rootbased - --- ./name ../name /name c: :// name/name - -function file.is_qualified_path(filename) - return lpegmatch(qualified,filename) ~= nil -end - -function file.is_rootbased_path(filename) - return lpegmatch(rootbased,filename) ~= nil -end - --- actually these are schemes - -local slash = S("\\/") -local period = P(".") -local drive = C(R("az","AZ")) * P(":") -local path = C(((1-slash)^0 * slash)^0) -local suffix = period * C(P(1-period)^0 * P(-1)) -local base = C((1-suffix)^0) - -drive = drive + Cc("") -path = path + Cc("") -base = base + Cc("") -suffix = suffix + Cc("") - -local pattern_a = drive * path * base * suffix -local pattern_b = path * base * suffix -local pattern_c = C(drive * path) * C(base * suffix) - -function file.splitname(str,splitdrive) - if splitdrive then - return lpegmatch(pattern_a,str) -- returns drive, path, base, suffix - else - return lpegmatch(pattern_b,str) -- returns path, base, suffix - end -end - -function file.nametotable(str,splitdrive) -- returns table - local path, drive, subpath, name, base, suffix = lpegmatch(pattern_c,str) - if splitdrive then - return { - path = path, - drive = drive, - subpath = subpath, - name = name, - base = base, - suffix = suffix, - } - else - return { - path = path, - name = name, - base = base, - suffix = suffix, - } - end -end - --- function test(t) for k, v in next, t do print(v, "=>", file.splitname(v)) end end --- --- test { "c:", "c:/aa", "c:/aa/bb", "c:/aa/bb/cc", "c:/aa/bb/cc.dd", "c:/aa/bb/cc.dd.ee" } --- test { "c:", "c:aa", "c:aa/bb", "c:aa/bb/cc", "c:aa/bb/cc.dd", "c:aa/bb/cc.dd.ee" } --- test { "/aa", "/aa/bb", "/aa/bb/cc", "/aa/bb/cc.dd", "/aa/bb/cc.dd.ee" } --- test { "aa", "aa/bb", "aa/bb/cc", "aa/bb/cc.dd", "aa/bb/cc.dd.ee" } - - --- for myself: - -function file.strip(name,dir) - local b, a = match(name,"^(.-)" .. dir .. "(.*)$") - return a ~= "" and a or name -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-md5'] = { - version = 1.001, - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- This also provides file checksums and checkers. - -local md5, file = md5, file -local gsub, format, byte = string.gsub, string.format, string.byte - -local function convert(str,fmt) - return (gsub(md5.sum(str),".",function(chr) return format(fmt,byte(chr)) end)) -end - -if not md5.HEX then function md5.HEX(str) return convert(str,"%02X") end end -if not md5.hex then function md5.hex(str) return convert(str,"%02x") end end -if not md5.dec then function md5.dec(str) return convert(str,"%03i") end end - - -function file.needs_updating(oldname,newname,threshold) -- size modification access change - local oldtime = lfs.attributes(oldname, modification) - local newtime = lfs.attributes(newname, modification) - if newtime >= oldtime then - return false - elseif oldtime - newtime < (threshold or 1) then - return false - else - return true - end -end - -function file.checksum(name) - if md5 then - local data = io.loaddata(name) - if data then - return md5.HEX(data) - end - end - return nil -end - -function file.loadchecksum(name) - if md5 then - local data = io.loaddata(name .. ".md5") - return data and (gsub(data,"%s","")) - end - return nil -end - -function file.savechecksum(name, checksum) - if not checksum then checksum = file.checksum(name) end - if checksum then - io.savedata(name .. ".md5",checksum) - return checksum - end - return nil -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-url'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local char, gmatch, gsub, format, byte, find = string.char, string.gmatch, string.gsub, string.format, string.byte, string.find -local concat = table.concat -local tonumber, type = tonumber, type -local P, C, R, S, Cs, Cc, Ct = lpeg.P, lpeg.C, lpeg.R, lpeg.S, lpeg.Cs, lpeg.Cc, lpeg.Ct -local lpegmatch, lpegpatterns, replacer = lpeg.match, lpeg.patterns, lpeg.replacer - --- from wikipedia: --- --- foo://username:password@example.com:8042/over/there/index.dtb?type=animal;name=narwhal#nose --- \_/ \_______________/ \_________/ \__/ \___/ \_/ \______________________/ \__/ --- | | | | | | | | --- | userinfo hostname port | | query fragment --- | \________________________________/\_____________|____|/ --- scheme | | | | --- | authority path | | --- | | | --- | path interpretable as filename --- | ___________|____________ | --- / \ / \ | --- urn:example:animal:ferret:nose interpretable as extension - -url = url or { } -local url = url - -local tochar = function(s) return char(tonumber(s,16)) end - -local colon = P(":") -local qmark = P("?") -local hash = P("#") -local slash = P("/") -local percent = P("%") -local endofstring = P(-1) - -local hexdigit = R("09","AF","af") -local plus = P("+") -local nothing = Cc("") -local escaped = (plus / " ") + (percent * C(hexdigit * hexdigit) / tochar) - --- we assume schemes with more than 1 character (in order to avoid problems with windows disks) --- we also assume that when we have a scheme, we also have an authority - -local schemestr = Cs((escaped+(1-colon-slash-qmark-hash))^2) -local authoritystr = Cs((escaped+(1- slash-qmark-hash))^0) -local pathstr = Cs((escaped+(1- qmark-hash))^0) -local querystr = Cs((escaped+(1- hash))^0) -local fragmentstr = Cs((escaped+(1- endofstring))^0) - -local scheme = schemestr * colon + nothing -local authority = slash * slash * authoritystr + nothing -local path = slash * pathstr + nothing -local query = qmark * querystr + nothing -local fragment = hash * fragmentstr + nothing - -local validurl = scheme * authority * path * query * fragment -local parser = Ct(validurl) - -lpegpatterns.url = validurl -lpegpatterns.urlsplitter = parser - -local escapes = { } ; for i=0,255 do escapes[i] = format("%%%02X",i) end - -local escaper = Cs((R("09","AZ","az") + S("-./_") + P(1) / escapes)^0) - -lpegpatterns.urlescaper = escaper - --- todo: reconsider Ct as we can as well have five return values (saves a table) --- so we can have two parsers, one with and one without - -local function split(str) - return (type(str) == "string" and lpegmatch(parser,str)) or str -end - -local isscheme = schemestr * colon * slash * slash -- this test also assumes authority - -local function hasscheme(str) - local scheme = lpegmatch(isscheme,str) -- at least one character - return scheme ~= "" and scheme or false -end - - --- todo: cache them - -local rootletter = R("az","AZ") - + S("_-+") -local separator = P("://") -local qualified = P(".")^0 * P("/") - + rootletter * P(":") - + rootletter^1 * separator - + rootletter^1 * P("/") -local rootbased = P("/") - + rootletter * P(":") - -local barswapper = replacer("|",":") -local backslashswapper = replacer("\\","/") - -local function hashed(str) -- not yet ok (/test?test) - local s = split(str) - local somescheme = s[1] ~= "" - local somequery = s[4] ~= "" - if not somescheme and not somequery then - s = { - scheme = "file", - authority = "", - path = str, - query = "", - fragment = "", - original = str, - noscheme = true, - filename = str, - } - else -- not always a filename but handy anyway - local authority, path, filename = s[2], s[3] - if authority == "" then - filename = path - else - filename = authority .. "/" .. path - end - s = { - scheme = s[1], - authority = authority, - path = path, - query = s[4], - fragment = s[5], - original = str, - noscheme = false, - filename = filename, - } - end - return s -end - --- Here we assume: --- --- files: /// = relative --- files: //// = absolute (!) - - - -url.split = split -url.hasscheme = hasscheme -url.hashed = hashed - -function url.addscheme(str,scheme) -- no authority - if hasscheme(str) then - return str - elseif not scheme then - return "file:///" .. str - else - return scheme .. ":///" .. str - end -end - -function url.construct(hash) -- dodo: we need to escape ! - local fullurl, f = { }, 0 - local scheme, authority, path, query, fragment = hash.scheme, hash.authority, hash.path, hash.query, hash.fragment - if scheme and scheme ~= "" then - f = f + 1 ; fullurl[f] = scheme .. "://" - end - if authority and authority ~= "" then - f = f + 1 ; fullurl[f] = authority - end - if path and path ~= "" then - f = f + 1 ; fullurl[f] = "/" .. path - end - if query and query ~= "" then - f = f + 1 ; fullurl[f] = "?".. query - end - if fragment and fragment ~= "" then - f = f + 1 ; fullurl[f] = "#".. fragment - end - return lpegmatch(escaper,concat(fullurl)) -end - -function url.filename(filename) - local t = hashed(filename) - return (t.scheme == "file" and (gsub(t.path,"^/([a-zA-Z])([:|])/)","%1:"))) or filename -end - -function url.query(str) - if type(str) == "string" then - local t = { } - for k, v in gmatch(str,"([^&=]*)=([^&=]*)") do - t[k] = v - end - return t - else - return str - end -end - - - - - - - - - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-dir'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- dir.expandname will be merged with cleanpath and collapsepath - -local type = type -local find, gmatch, match, gsub = string.find, string.gmatch, string.match, string.gsub -local concat, insert, remove = table.concat, table.insert, table.remove -local lpegmatch = lpeg.match - -local P, S, R, C, Cc, Cs, Ct, Cv, V = lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.Cc, lpeg.Cs, lpeg.Ct, lpeg.Cv, lpeg.V - -dir = dir or { } -local dir = dir -local lfs = lfs - -local attributes = lfs.attributes -local walkdir = lfs.dir -local isdir = lfs.isdir -local isfile = lfs.isfile -local currentdir = lfs.currentdir - --- handy - -function dir.current() - return (gsub(currentdir(),"\\","/")) -end - --- optimizing for no find (*) does not save time - - -local lfsisdir = isdir - -local function isdir(path) - path = gsub(path,"[/\\]+$","") - return lfsisdir(path) -end - -lfs.isdir = isdir - -local function globpattern(path,patt,recurse,action) - if path == "/" then - path = path .. "." - elseif not find(path,"/$") then - path = path .. '/' - end - if isdir(path) then -- lfs.isdir does not like trailing / - for name in walkdir(path) do -- lfs.dir accepts trailing / - local full = path .. name - local mode = attributes(full,'mode') - if mode == 'file' then - if find(full,patt) then - action(full) - end - elseif recurse and (mode == "directory") and (name ~= '.') and (name ~= "..") then - globpattern(full,patt,recurse,action) - end - end - end -end - -dir.globpattern = globpattern - -local function collectpattern(path,patt,recurse,result) - local ok, scanner - result = result or { } - if path == "/" then - ok, scanner, first = xpcall(function() return walkdir(path..".") end, function() end) -- kepler safe - else - ok, scanner, first = xpcall(function() return walkdir(path) end, function() end) -- kepler safe - end - if ok and type(scanner) == "function" then - if not find(path,"/$") then path = path .. '/' end - for name in scanner, first do - local full = path .. name - local attr = attributes(full) - local mode = attr.mode - if mode == 'file' then - if find(full,patt) then - result[name] = attr - end - elseif recurse and (mode == "directory") and (name ~= '.') and (name ~= "..") then - attr.list = collectpattern(full,patt,recurse) - result[name] = attr - end - end - end - return result -end - -dir.collectpattern = collectpattern - -local pattern = Ct { - [1] = (C(P(".") + P("/")^1) + C(R("az","AZ") * P(":") * P("/")^0) + Cc("./")) * V(2) * V(3), - [2] = C(((1-S("*?/"))^0 * P("/"))^0), - [3] = C(P(1)^0) -} - -local filter = Cs ( ( - P("**") / ".*" + - P("*") / "[^/]*" + - P("?") / "[^/]" + - P(".") / "%%." + - P("+") / "%%+" + - P("-") / "%%-" + - P(1) -)^0 ) - -local function glob(str,t) - if type(t) == "function" then - if type(str) == "table" then - for s=1,#str do - glob(str[s],t) - end - elseif isfile(str) then - t(str) - else - local split = lpegmatch(pattern,str) -- we could use the file splitter - if split then - local root, path, base = split[1], split[2], split[3] - local recurse = find(base,"%*%*") - local start = root .. path - local result = lpegmatch(filter,start .. base) - globpattern(start,result,recurse,t) - end - end - else - if type(str) == "table" then - local t = t or { } - for s=1,#str do - glob(str[s],t) - end - return t - elseif isfile(str) then - if t then - t[#t+1] = str - return t - else - return { str } - end - else - local split = lpegmatch(pattern,str) -- we could use the file splitter - if split then - local t = t or { } - local action = action or function(name) t[#t+1] = name end - local root, path, base = split[1], split[2], split[3] - local recurse = find(base,"%*%*") - local start = root .. path - local result = lpegmatch(filter,start .. base) - globpattern(start,result,recurse,action) - return t - else - return { } - end - end - end -end - -dir.glob = glob - - -local function globfiles(path,recurse,func,files) -- func == pattern or function - if type(func) == "string" then - local s = func - func = function(name) return find(name,s) end - end - files = files or { } - local noffiles = #files - for name in walkdir(path) do - if find(name,"^%.") then - --- skip - else - local mode = attributes(name,'mode') - if mode == "directory" then - if recurse then - globfiles(path .. "/" .. name,recurse,func,files) - end - elseif mode == "file" then - if not func or func(name) then - noffiles = noffiles + 1 - files[noffiles] = path .. "/" .. name - end - end - end - end - return files -end - -dir.globfiles = globfiles - --- t = dir.glob("c:/data/develop/context/sources/**/????-*.tex") --- t = dir.glob("c:/data/develop/tex/texmf/**/*.tex") --- t = dir.glob("c:/data/develop/context/texmf/**/*.tex") --- t = dir.glob("f:/minimal/tex/**/*") --- print(dir.ls("f:/minimal/tex/**/*")) --- print(dir.ls("*.tex")) - -function dir.ls(pattern) - return concat(glob(pattern),"\n") -end - - -local make_indeed = true -- false - -local onwindows = os.type == "windows" or find(os.getenv("PATH"),";") - -if onwindows then - - function dir.mkdirs(...) - local str, pth, t = "", "", { ... } - for i=1,#t do - local s = t[i] - if s ~= "" then - if str ~= "" then - str = str .. "/" .. s - else - str = s - end - end - end - local first, middle, last - local drive = false - first, middle, last = match(str,"^(//)(//*)(.*)$") - if first then - -- empty network path == local path - else - first, last = match(str,"^(//)/*(.-)$") - if first then - middle, last = match(str,"([^/]+)/+(.-)$") - if middle then - pth = "//" .. middle - else - pth = "//" .. last - last = "" - end - else - first, middle, last = match(str,"^([a-zA-Z]:)(/*)(.-)$") - if first then - pth, drive = first .. middle, true - else - middle, last = match(str,"^(/*)(.-)$") - if not middle then - last = str - end - end - end - end - for s in gmatch(last,"[^/]+") do - if pth == "" then - pth = s - elseif drive then - pth, drive = pth .. s, false - else - pth = pth .. "/" .. s - end - if make_indeed and not isdir(pth) then - lfs.mkdir(pth) - end - end - return pth, (isdir(pth) == true) - end - - -else - - function dir.mkdirs(...) - local str, pth, t = "", "", { ... } - for i=1,#t do - local s = t[i] - if s and s ~= "" then -- we catch nil and false - if str ~= "" then - str = str .. "/" .. s - else - str = s - end - end - end - str = gsub(str,"/+","/") - if find(str,"^/") then - pth = "/" - for s in gmatch(str,"[^/]+") do - local first = (pth == "/") - if first then - pth = pth .. s - else - pth = pth .. "/" .. s - end - if make_indeed and not first and not isdir(pth) then - lfs.mkdir(pth) - end - end - else - pth = "." - for s in gmatch(str,"[^/]+") do - pth = pth .. "/" .. s - if make_indeed and not isdir(pth) then - lfs.mkdir(pth) - end - end - end - return pth, (isdir(pth) == true) - end - - -end - -dir.makedirs = dir.mkdirs - --- we can only define it here as it uses dir.current - -if onwindows then - - function dir.expandname(str) -- will be merged with cleanpath and collapsepath - local first, nothing, last = match(str,"^(//)(//*)(.*)$") - if first then - first = dir.current() .. "/" - end - if not first then - first, last = match(str,"^(//)/*(.*)$") - end - if not first then - first, last = match(str,"^([a-zA-Z]:)(.*)$") - if first and not find(last,"^/") then - local d = currentdir() - if lfs.chdir(first) then - first = dir.current() - end - lfs.chdir(d) - end - end - if not first then - first, last = dir.current(), str - end - last = gsub(last,"//","/") - last = gsub(last,"/%./","/") - last = gsub(last,"^/*","") - first = gsub(first,"/*$","") - if last == "" or last == "." then - return first - else - return first .. "/" .. last - end - end - -else - - function dir.expandname(str) -- will be merged with cleanpath and collapsepath - if not find(str,"^/") then - str = currentdir() .. "/" .. str - end - str = gsub(str,"//","/") - str = gsub(str,"/%./","/") - str = gsub(str,"(.)/%.$","%1") - return str - end - -end - -file.expandname = dir.expandname -- for convenience - -local stack = { } - -function dir.push(newdir) - insert(stack,lfs.currentdir()) -end - -function dir.pop() - local d = remove(stack) - if d then - lfs.chdir(d) - end - return d -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-boolean'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local type, tonumber = type, tonumber - -boolean = boolean or { } -local boolean = boolean - -function boolean.tonumber(b) - if b then return 1 else return 0 end -- test and return or return -end - -function toboolean(str,tolerant) - if tolerant then - local tstr = type(str) - if tstr == "string" then - return str == "true" or str == "yes" or str == "on" or str == "1" or str == "t" - elseif tstr == "number" then - return tonumber(str) ~= 0 - elseif tstr == "nil" then - return false - else - return str - end - elseif str == "true" then - return true - elseif str == "false" then - return false - else - return str - end -end - -string.toboolean = toboolean - -function string.is_boolean(str,default) - if type(str) == "string" then - if str == "true" or str == "yes" or str == "on" or str == "t" then - return true - elseif str == "false" or str == "no" or str == "off" or str == "f" then - return false - end - end - return default -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-unicode'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -if not unicode then - - unicode = { utf8 = { } } - - local floor, char = math.floor, string.char - - function unicode.utf8.utfchar(n) - if n < 0x80 then - return char(n) - elseif n < 0x800 then - return char( - 0xC0 + floor(n/0x40), - 0x80 + (n % 0x40) - ) - elseif n < 0x10000 then - return char( - 0xE0 + floor(n/0x1000), - 0x80 + (floor(n/0x40) % 0x40), - 0x80 + (n % 0x40) - ) - elseif n < 0x40000 then - return char( - 0xF0 + floor(n/0x40000), - 0x80 + floor(n/0x1000), - 0x80 + (floor(n/0x40) % 0x40), - 0x80 + (n % 0x40) - ) - else - -- return char( - -- 0xF1 + floor(n/0x1000000), - -- 0x80 + floor(n/0x40000), - -- 0x80 + floor(n/0x1000), - -- 0x80 + (floor(n/0x40) % 0x40), - -- 0x80 + (n % 0x40) - -- ) - return "?" - end - end - -end - -local unicode = unicode - -utf = utf or unicode.utf8 - -local concat = table.concat -local utfchar, utfbyte, utfgsub = utf.char, utf.byte, utf.gsub -local char, byte, find, bytepairs, utfvalues, format = string.char, string.byte, string.find, string.bytepairs, string.utfvalues, string.format -local type = type - -local utfsplitlines = string.utfsplitlines - --- 0 EF BB BF UTF-8 --- 1 FF FE UTF-16-little-endian --- 2 FE FF UTF-16-big-endian --- 3 FF FE 00 00 UTF-32-little-endian --- 4 00 00 FE FF UTF-32-big-endian - -unicode.utfname = { - [0] = 'utf-8', - [1] = 'utf-16-le', - [2] = 'utf-16-be', - [3] = 'utf-32-le', - [4] = 'utf-32-be' -} - --- \000 fails in <= 5.0 but is valid in >=5.1 where %z is depricated - -function unicode.utftype(f) - local str = f:read(4) - if not str then - f:seek('set') - return 0 - -- elseif find(str,"^%z%z\254\255") then -- depricated - -- elseif find(str,"^\000\000\254\255") then -- not permitted and bugged - elseif find(str,"\000\000\254\255",1,true) then -- seems to work okay (TH) - return 4 - -- elseif find(str,"^\255\254%z%z") then -- depricated - -- elseif find(str,"^\255\254\000\000") then -- not permitted and bugged - elseif find(str,"\255\254\000\000",1,true) then -- seems to work okay (TH) - return 3 - elseif find(str,"^\254\255") then - f:seek('set',2) - return 2 - elseif find(str,"^\255\254") then - f:seek('set',2) - return 1 - elseif find(str,"^\239\187\191") then - f:seek('set',3) - return 0 - else - f:seek('set') - return 0 - end -end - - - -local function utf16_to_utf8_be(t) - if type(t) == "string" then - t = utfsplitlines(str) - end - local result = { } -- we reuse result - for i=1,#t do - local r, more = 0, 0 - for left, right in bytepairs(t[i]) do - if right then - local now = 256*left + right - if more > 0 then - now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong - more = 0 - r = r + 1 - result[r] = utfchar(now) - elseif now >= 0xD800 and now <= 0xDBFF then - more = now - else - r = r + 1 - result[r] = utfchar(now) - end - end - end - t[i] = concat(result,"",1,r) -- we reused tmp, hence t - end - return t -end - -local function utf16_to_utf8_le(t) - if type(t) == "string" then - t = utfsplitlines(str) - end - local result = { } -- we reuse result - for i=1,#t do - local r, more = 0, 0 - for left, right in bytepairs(t[i]) do - if right then - local now = 256*right + left - if more > 0 then - now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong - more = 0 - r = r + 1 - result[r] = utfchar(now) - elseif now >= 0xD800 and now <= 0xDBFF then - more = now - else - r = r + 1 - result[r] = utfchar(now) - end - end - end - t[i] = concat(result,"",1,r) -- we reused tmp, hence t - end - return t -end - -local function utf32_to_utf8_be(t) - if type(t) == "string" then - t = utfsplitlines(t) - end - local result = { } -- we reuse result - for i=1,#t do - local r, more = 0, -1 - for a,b in bytepairs(t[i]) do - if a and b then - if more < 0 then - more = 256*256*256*a + 256*256*b - else - r = r + 1 - result[t] = utfchar(more + 256*a + b) - more = -1 - end - else - break - end - end - t[i] = concat(result,"",1,r) - end - return t -end - -local function utf32_to_utf8_le(t) - if type(t) == "string" then - t = utfsplitlines(t) - end - local result = { } -- we reuse result - for i=1,#t do - local r, more = 0, -1 - for a,b in bytepairs(t[i]) do - if a and b then - if more < 0 then - more = 256*b + a - else - r = r + 1 - result[t] = utfchar(more + 256*256*256*b + 256*256*a) - more = -1 - end - else - break - end - end - t[i] = concat(result,"",1,r) - end - return t -end - -unicode.utf32_to_utf8_be = utf32_to_utf8_be -unicode.utf32_to_utf8_le = utf32_to_utf8_le -unicode.utf16_to_utf8_be = utf16_to_utf8_be -unicode.utf16_to_utf8_le = utf16_to_utf8_le - -function unicode.utf8_to_utf8(t) - return type(t) == "string" and utfsplitlines(t) or t -end - -function unicode.utf16_to_utf8(t,endian) - return endian and utf16_to_utf8_be(t) or utf16_to_utf8_le(t) or t -end - -function unicode.utf32_to_utf8(t,endian) - return endian and utf32_to_utf8_be(t) or utf32_to_utf8_le(t) or t -end - -local function little(c) - local b = byte(c) - if b < 0x10000 then - return char(b%256,b/256) - else - b = b - 0x10000 - local b1, b2 = b/1024 + 0xD800, b%1024 + 0xDC00 - return char(b1%256,b1/256,b2%256,b2/256) - end -end - -local function big(c) - local b = byte(c) - if b < 0x10000 then - return char(b/256,b%256) - else - b = b - 0x10000 - local b1, b2 = b/1024 + 0xD800, b%1024 + 0xDC00 - return char(b1/256,b1%256,b2/256,b2%256) - end -end - -function unicode.utf8_to_utf16(str,littleendian) - if littleendian then - return char(255,254) .. utfgsub(str,".",little) - else - return char(254,255) .. utfgsub(str,".",big) - end -end - -function unicode.utfcodes(str) - local t, n = { }, 0 - for u in utfvalues(str) do - n = n + 1 - t[n] = format("0x%04X",u) - end - return concat(t,separator or " ") -end - -function unicode.ustring(s) - return format("U+%05X",type(s) == "number" and s or utfbyte(s)) -end - -function unicode.xstring(s) - return format("0x%05X",type(s) == "number" and s or utfbyte(s)) -end - - -local lpegmatch = lpeg.match -local patterns = lpeg.patterns -local utftype = patterns.utftype - -function unicode.filetype(data) - return data and lpegmatch(utftype,data) or "unknown" -end - -local toentities = lpeg.Cs ( - ( - patterns.utf8one - + ( - patterns.utf8two - + patterns.utf8three - + patterns.utf8four - ) / function(s) local b = utfbyte(s) if b < 127 then return s else return format("&#%X;",b) end end - )^0 -) - -patterns.toentities = toentities - -function utf.toentities(str) - return lpegmatch(toentities,str) -end - - - - -local P, C, R, Cs = lpeg.P, lpeg.C, lpeg.R, lpeg.Cs - -local one = P(1) -local two = C(1) * C(1) -local four = C(R(utfchar(0xD8),utfchar(0xFF))) * C(1) * C(1) * C(1) - -local pattern = P("\254\255") * Cs( ( - four / function(a,b,c,d) - local ab = 0xFF * byte(a) + byte(b) - local cd = 0xFF * byte(c) + byte(d) - return utfchar((ab-0xD800)*0x400 + (cd-0xDC00) + 0x10000) - end - + two / function(a,b) - return utfchar(byte(a)*256 + byte(b)) - end - + one - )^1 ) - + P("\255\254") * Cs( ( - four / function(b,a,d,c) - local ab = 0xFF * byte(a) + byte(b) - local cd = 0xFF * byte(c) + byte(d) - return utfchar((ab-0xD800)*0x400 + (cd-0xDC00) + 0x10000) - end - + two / function(b,a) - return utfchar(byte(a)*256 + byte(b)) - end - + one - )^1 ) - -function string.toutf(s) - return lpegmatch(pattern,s) or s -- todo: utf32 -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['l-math'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local floor, sin, cos, tan = math.floor, math.sin, math.cos, math.tan - -if not math.round then - function math.round(x) return floor(x + 0.5) end -end - -if not math.div then - function math.div(n,m) return floor(n/m) end -end - -if not math.mod then - function math.mod(n,m) return n % m end -end - -local pipi = 2*math.pi/360 - -if not math.sind then - function math.sind(d) return sin(d*pipi) end - function math.cosd(d) return cos(d*pipi) end - function math.tand(d) return tan(d*pipi) end -end - -if not math.odd then - function math.odd (n) return n % 2 ~= 0 end - function math.even(n) return n % 2 == 0 end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['util-tab'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -utilities = utilities or {} -utilities.tables = utilities.tables or { } -local tables = utilities.tables - -local format, gmatch, rep = string.format, string.gmatch, string.rep -local concat, insert, remove = table.concat, table.insert, table.remove -local setmetatable, getmetatable, tonumber, tostring = setmetatable, getmetatable, tonumber, tostring -local type, next, rawset, tonumber = type, next, rawset, tonumber - -function tables.definetable(target) -- defines undefined tables - local composed, t, n = nil, { }, 0 - for name in gmatch(target,"([^%.]+)") do - n = n + 1 - if composed then - composed = composed .. "." .. name - else - composed = name - end - t[n] = format("%s = %s or { }",composed,composed) - end - return concat(t,"\n") -end - -function tables.accesstable(target,root) - local t = root or _G - for name in gmatch(target,"([^%.]+)") do - t = t[name] - if not t then - return - end - end - return t -end - -function tables.migratetable(target,v,root) - local t = root or _G - local names = string.split(target,".") - for i=1,#names-1 do - local name = names[i] - t[name] = t[name] or { } - t = t[name] - if not t then - return - end - end - t[names[#names]] = v -end - -function tables.removevalue(t,value) -- todo: n - if value then - for i=1,#t do - if t[i] == value then - remove(t,i) - -- remove all, so no: return - end - end - end -end - -function tables.insertbeforevalue(t,value,extra) - for i=1,#t do - if t[i] == extra then - remove(t,i) - end - end - for i=1,#t do - if t[i] == value then - insert(t,i,extra) - return - end - end - insert(t,1,extra) -end - -function tables.insertaftervalue(t,value,extra) - for i=1,#t do - if t[i] == extra then - remove(t,i) - end - end - for i=1,#t do - if t[i] == value then - insert(t,i+1,extra) - return - end - end - insert(t,#t+1,extra) -end - --- experimental - -local function toxml(t,d,result,step) - for k, v in table.sortedpairs(t) do - if type(v) == "table" then - if type(k) == "number" then - result[#result+1] = format("%s<entry n='%s'>",d,k) - toxml(v,d..step,result,step) - result[#result+1] = format("%s</entry>",d,k) - else - result[#result+1] = format("%s<%s>",d,k) - toxml(v,d..step,result,step) - result[#result+1] = format("%s</%s>",d,k) - end - elseif type(k) == "number" then - result[#result+1] = format("%s<entry n='%s'>%s</entry>",d,k,v,k) - else - result[#result+1] = format("%s<%s>%s</%s>",d,k,tostring(v),k) - end - end -end - -function table.toxml(t,name,nobanner,indent,spaces) - local noroot = name == false - local result = (nobanner or noroot) and { } or { "<?xml version='1.0' standalone='yes' ?>" } - local indent = rep(" ",indent or 0) - local spaces = rep(" ",spaces or 1) - if noroot then - toxml( t, inndent, result, spaces) - else - toxml( { [name or "root"] = t }, indent, result, spaces) - end - return concat(result,"\n") -end - --- also experimental - --- encapsulate(table,utilities.tables) --- encapsulate(table,utilities.tables,true) --- encapsulate(table,true) - -function tables.encapsulate(core,capsule,protect) - if type(capsule) ~= "table" then - protect = true - capsule = { } - end - for key, value in next, core do - if capsule[key] then - print(format("\ninvalid inheritance '%s' in '%s': %s",key,tostring(core))) - os.exit() - else - capsule[key] = value - end - end - if protect then - for key, value in next, core do - core[key] = nil - end - setmetatable(core, { - __index = capsule, - __newindex = function(t,key,value) - if capsule[key] then - print(format("\ninvalid overload '%s' in '%s'",key,tostring(core))) - os.exit() - else - rawset(t,key,value) - end - end - } ) - end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['util-sto'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local setmetatable, getmetatable = setmetatable, getmetatable - -utilities = utilities or { } -utilities.storage = utilities.storage or { } -local storage = utilities.storage - -function storage.mark(t) - if not t then - texio.write_nl("fatal error: storage cannot be marked") - return -- os.exit() - end - local m = getmetatable(t) - if not m then - m = { } - setmetatable(t,m) - end - m.__storage__ = true - return t -end - -function storage.allocate(t) - t = t or { } - local m = getmetatable(t) - if not m then - m = { } - setmetatable(t,m) - end - m.__storage__ = true - return t -end - -function storage.marked(t) - local m = getmetatable(t) - return m and m.__storage__ -end - -function storage.checked(t) - if not t then - texio.write_nl("fatal error: storage has not been allocated") - return -- os.exit() - end - return t -end - - -function storage.setinitializer(data,initialize) - local m = getmetatable(data) or { } - m.__index = function(data,k) - m.__index = nil -- so that we can access the entries during initializing - initialize() - return data[k] - end - setmetatable(data, m) -end - -local keyisvalue = { __index = function(t,k) - t[k] = k - return k -end } - -function storage.sparse(t) - t = t or { } - setmetatable(t,keyisvalue) - return t -end - --- table namespace ? - -local function f_empty () return "" end -- t,k -local function f_self (t,k) t[k] = k return k end -local function f_ignore() end -- t,k,v - -local t_empty = { __index = f_empty } -local t_self = { __index = f_self } -local t_ignore = { __newindex = f_ignore } - -function table.setmetatableindex(t,f) - local m = getmetatable(t) - if m then - if f == "empty" then - m.__index = f_empty - elseif f == "key" then - m.__index = f_self - else - m.__index = f - end - else - if f == "empty" then - setmetatable(t, t_empty) - elseif f == "key" then - setmetatable(t, t_self) - else - setmetatable(t,{ __index = f }) - end - end - return t -end - -function table.setmetatablenewindex(t,f) - local m = getmetatable(t) - if m then - if f == "ignore" then - m.__newindex = f_ignore - else - m.__newindex = f - end - else - if f == "ignore" then - setmetatable(t, t_ignore) - else - setmetatable(t,{ __newindex = f }) - end - end - return t -end - -function table.setmetatablecall(t,f) - local m = getmetatable(t) - if m then - m.__call = f - else - setmetatable(t,{ __call = f }) - end - return t -end - -function table.setmetatablekey(t,key,value) - local m = getmetatable(t) - if not m then - m = { } - setmetatable(t,m) - end - m[key] = value - return t -end - -function table.getmetatablekey(t,key,value) - local m = getmetatable(t) - return m and m[key] -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['util-mrg'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- hm, quite unreadable - -local gsub, format = string.gsub, string.format -local concat = table.concat -local type, next = type, next - -utilities = utilities or {} -utilities.merger = utilities.merger or { } -- maybe mergers -utilities.report = logs and logs.reporter("system") or print - -local merger = utilities.merger - -merger.strip_comment = true - -local m_begin_merge = "begin library merge" -local m_end_merge = "end library merge" -local m_begin_closure = "do -- create closure to overcome 200 locals limit" -local m_end_closure = "end -- of closure" - -local m_pattern = - "%c+" .. - "%-%-%s+" .. m_begin_merge .. - "%c+(.-)%c+" .. - "%-%-%s+" .. m_end_merge .. - "%c+" - -local m_format = - "\n\n-- " .. m_begin_merge .. - "\n%s\n" .. - "-- " .. m_end_merge .. "\n\n" - -local m_faked = - "-- " .. "created merged file" .. "\n\n" .. - "-- " .. m_begin_merge .. "\n\n" .. - "-- " .. m_end_merge .. "\n\n" - -local function self_fake() - return m_faked -end - -local function self_nothing() - return "" -end - -local function self_load(name) - local data = io.loaddata(name) or "" - if data == "" then - utilities.report("merge: unknown file %s",name) - else - utilities.report("merge: inserting %s",name) - end - return data or "" -end - -local function self_save(name, data) - if data ~= "" then - if merger.strip_comment then - -- saves some 20K - local n = #data - data = gsub(data,"%-%-~[^\n\r]*[\r\n]","") - utilities.report("merge: %s bytes of comment stripped, %s bytes of code left",n-#data,#data) - end - io.savedata(name,data) - utilities.report("merge: saving %s",name) - end -end - -local function self_swap(data,code) - return data ~= "" and (gsub(data,m_pattern, function() return format(m_format,code) end, 1)) or "" -end - -local function self_libs(libs,list) - local result, f, frozen, foundpath = { }, nil, false, nil - result[#result+1] = "\n" - if type(libs) == 'string' then libs = { libs } end - if type(list) == 'string' then list = { list } end - for i=1,#libs do - local lib = libs[i] - for j=1,#list do - local pth = gsub(list[j],"\\","/") -- file.clean_path - utilities.report("merge: checking library path %s",pth) - local name = pth .. "/" .. lib - if lfs.isfile(name) then - foundpath = pth - end - end - if foundpath then break end - end - if foundpath then - utilities.report("merge: using library path %s",foundpath) - local right, wrong = { }, { } - for i=1,#libs do - local lib = libs[i] - local fullname = foundpath .. "/" .. lib - if lfs.isfile(fullname) then - utilities.report("merge: using library %s",fullname) - right[#right+1] = lib - result[#result+1] = m_begin_closure - result[#result+1] = io.loaddata(fullname,true) - result[#result+1] = m_end_closure - else - utilities.report("merge: skipping library %s",fullname) - wrong[#wrong+1] = lib - end - end - if #right > 0 then - utilities.report("merge: used libraries: %s",concat(right," ")) - end - if #wrong > 0 then - utilities.report("merge: skipped libraries: %s",concat(wrong," ")) - end - else - utilities.report("merge: no valid library path found") - end - return concat(result, "\n\n") -end - -function merger.selfcreate(libs,list,target) - if target then - self_save(target,self_swap(self_fake(),self_libs(libs,list))) - end -end - -function merger.selfmerge(name,libs,list,target) - self_save(target or name,self_swap(self_load(name),self_libs(libs,list))) -end - -function merger.selfclean(name) - self_save(name,self_swap(self_load(name),self_nothing())) -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['util-lua'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -utilities = utilities or {} -utilities.lua = utilities.lua or { } -utilities.report = logs and logs.reporter("system") or print - -local function stupidcompile(luafile,lucfile) - local data = io.loaddata(luafile) - if data and data ~= "" then - data = string.dump(data) - if data and data ~= "" then - io.savedata(lucfile,data) - end - end -end - -function utilities.lua.compile(luafile,lucfile,cleanup,strip,fallback) -- defaults: cleanup=false strip=true - utilities.report("lua: compiling %s into %s",luafile,lucfile) - os.remove(lucfile) - local command = "-o " .. string.quoted(lucfile) .. " " .. string.quoted(luafile) - if strip ~= false then - command = "-s " .. command - end - local done = os.spawn("texluac " .. command) == 0 -- or os.spawn("luac " .. command) == 0 - if not done and fallback then - utilities.report("lua: dumping %s into %s (unstripped)",luafile,lucfile) - stupidcompile(luafile,lucfile) -- maybe use the stripper we have elsewhere - cleanup = false -- better see how worse it is - end - if done and cleanup == true and lfs.isfile(lucfile) and lfs.isfile(luafile) then - utilities.report("lua: removing %s",luafile) - os.remove(luafile) - end - return done -end - - - - - - - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['util-prs'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local P, R, V, C, Ct, Cs, Carg = lpeg.P, lpeg.R, lpeg.V, lpeg.C, lpeg.Ct, lpeg.Cs, lpeg.Carg -local lpegmatch = lpeg.match -local concat, format, gmatch, find = table.concat, string.format, string.gmatch, string.find -local tostring, type, next = tostring, type, next - -utilities = utilities or {} -utilities.parsers = utilities.parsers or { } -local parsers = utilities.parsers -parsers.patterns = parsers.patterns or { } - -local setmetatableindex = table.setmetatableindex -local sortedhash = table.sortedhash - --- we could use a Cf Cg construct - -local escape, left, right = P("\\"), P('{'), P('}') - -lpeg.patterns.balanced = P { - [1] = ((escape * (left+right)) + (1 - (left+right)) + V(2))^0, - [2] = left * V(1) * right -} - -local space = P(' ') -local equal = P("=") -local comma = P(",") -local lbrace = P("{") -local rbrace = P("}") -local nobrace = 1 - (lbrace+rbrace) -local nested = P { lbrace * (nobrace + V(1))^0 * rbrace } -local spaces = space^0 -local argument = Cs((lbrace/"") * ((nobrace + nested)^0) * (rbrace/"")) -local content = (1-P(-1))^0 - -lpeg.patterns.nested = nested -- no capture -lpeg.patterns.argument = argument -- argument after e.g. = -lpeg.patterns.content = content -- rest after e.g = - -local value = P(lbrace * C((nobrace + nested)^0) * rbrace) + C((nested + (1-comma))^0) - -local key = C((1-equal-comma)^1) -local pattern_a = (space+comma)^0 * (key * equal * value + key * C("")) -local pattern_c = (space+comma)^0 * (key * equal * value) - -local key = C((1-space-equal-comma)^1) -local pattern_b = spaces * comma^0 * spaces * (key * ((spaces * equal * spaces * value) + C(""))) - --- "a=1, b=2, c=3, d={a{b,c}d}, e=12345, f=xx{a{b,c}d}xx, g={}" : outer {} removes, leading spaces ignored - -local hash = { } - -local function set(key,value) - hash[key] = value -end - -local function set(key,value) - hash[key] = value -end - -local pattern_a_s = (pattern_a/set)^1 -local pattern_b_s = (pattern_b/set)^1 -local pattern_c_s = (pattern_c/set)^1 - -parsers.patterns.settings_to_hash_a = pattern_a_s -parsers.patterns.settings_to_hash_b = pattern_b_s -parsers.patterns.settings_to_hash_c = pattern_c_s - -function parsers.make_settings_to_hash_pattern(set,how) - if how == "strict" then - return (pattern_c/set)^1 - elseif how == "tolerant" then - return (pattern_b/set)^1 - else - return (pattern_a/set)^1 - end -end - -function parsers.settings_to_hash(str,existing) - if str and str ~= "" then - hash = existing or { } - lpegmatch(pattern_a_s,str) - return hash - else - return { } - end -end - -function parsers.settings_to_hash_tolerant(str,existing) - if str and str ~= "" then - hash = existing or { } - lpegmatch(pattern_b_s,str) - return hash - else - return { } - end -end - -function parsers.settings_to_hash_strict(str,existing) - if str and str ~= "" then - hash = existing or { } - lpegmatch(pattern_c_s,str) - return next(hash) and hash - else - return nil - end -end - -local separator = comma * space^0 -local value = P(lbrace * C((nobrace + nested)^0) * rbrace) + C((nested + (1-comma))^0) -local pattern = Ct(value*(separator*value)^0) - --- "aap, {noot}, mies" : outer {} removes, leading spaces ignored - -parsers.patterns.settings_to_array = pattern - --- we could use a weak table as cache - -function parsers.settings_to_array(str,strict) - if not str or str == "" then - return { } - elseif strict then - if find(str,"{") then - return lpegmatch(pattern,str) - else - return { str } - end - else - return lpegmatch(pattern,str) - end -end - -local function set(t,v) - t[#t+1] = v -end - -local value = P(Carg(1)*value) / set -local pattern = value*(separator*value)^0 * Carg(1) - -function parsers.add_settings_to_array(t,str) - return lpegmatch(pattern,str,nil,t) -end - -function parsers.hash_to_string(h,separator,yes,no,strict,omit) - if h then - local t, tn, s = { }, 0, table.sortedkeys(h) - omit = omit and table.tohash(omit) - for i=1,#s do - local key = s[i] - if not omit or not omit[key] then - local value = h[key] - if type(value) == "boolean" then - if yes and no then - if value then - tn = tn + 1 - t[tn] = key .. '=' .. yes - elseif not strict then - tn = tn + 1 - t[tn] = key .. '=' .. no - end - elseif value or not strict then - tn = tn + 1 - t[tn] = key .. '=' .. tostring(value) - end - else - tn = tn + 1 - t[tn] = key .. '=' .. value - end - end - end - return concat(t,separator or ",") - else - return "" - end -end - -function parsers.array_to_string(a,separator) - if a then - return concat(a,separator or ",") - else - return "" - end -end - -function parsers.settings_to_set(str,t) -- tohash? -- todo: lpeg -- duplicate anyway - t = t or { } --- for s in gmatch(str,"%s*([^, ]+)") do -- space added - for s in gmatch(str,"[^, ]+") do -- space added - t[s] = true - end - return t -end - -function parsers.simple_hash_to_string(h, separator) - local t, tn = { }, 0 - for k, v in sortedhash(h) do - if v then - tn = tn + 1 - t[tn] = k - end - end - return concat(t,separator or ",") -end - -local value = lbrace * C((nobrace + nested)^0) * rbrace -local pattern = Ct((space + value)^0) - -function parsers.arguments_to_table(str) - return lpegmatch(pattern,str) -end - --- temporary here (unoptimized) - -function parsers.getparameters(self,class,parentclass,settings) - local sc = self[class] - if not sc then - sc = { } - self[class] = sc - if parentclass then - local sp = self[parentclass] - if not sp then - sp = { } - self[parentclass] = sp - end - setmetatableindex(sc,sp) - end - end - parsers.settings_to_hash(settings,sc) -end - -function parsers.listitem(str) - return gmatch(str,"[^, ]+") -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['util-fmt'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -utilities = utilities or { } -utilities.formatters = utilities.formatters or { } -local formatters = utilities.formatters - -local concat, format = table.concat, string.format -local tostring, type = tostring, type -local strip = string.strip - -local P, R, Cs = lpeg.P, lpeg.R, lpeg.Cs -local lpegmatch = lpeg.match - --- temporary here - -local digit = R("09") -local period = P(".") -local zero = P("0") -local trailingzeros = zero^0 * -digit -- suggested by Roberto R -local case_1 = period * trailingzeros / "" -local case_2 = period * (digit - trailingzeros)^1 * (trailingzeros / "") -local number = digit^1 * (case_1 + case_2) -local stripper = Cs((number + 1)^0) - - -lpeg.patterns.stripzeros = stripper - -function formatters.stripzeros(str) - return lpegmatch(stripper,str) -end - -function formatters.formatcolumns(result,between) - if result and #result > 0 then - between = between or " " - local widths, numbers = { }, { } - local first = result[1] - local n = #first - for i=1,n do - widths[i] = 0 - end - for i=1,#result do - local r = result[i] - for j=1,n do - local rj = r[j] - local tj = type(rj) - if tj == "number" then - numbers[j] = true - end - if tj ~= "string" then - rj = tostring(rj) - r[j] = rj - end - local w = #rj - if w > widths[j] then - widths[j] = w - end - end - end - for i=1,n do - local w = widths[i] - if numbers[i] then - if w > 80 then - widths[i] = "%s" .. between - else - widths[i] = "%0" .. w .. "i" .. between - end - else - if w > 80 then - widths[i] = "%s" .. between - elseif w > 0 then - widths[i] = "%-" .. w .. "s" .. between - else - widths[i] = "%s" - end - end - end - local template = strip(concat(widths)) - for i=1,#result do - local str = format(template,unpack(result[i])) - result[i] = strip(str) - end - end - return result -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['util.deb'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- the <anonymous> tag is kind of generic and used for functions that are not --- bound to a variable, like node.new, node.copy etc (contrary to for instance --- node.has_attribute which is bound to a has_attribute local variable in mkiv) - -local debug = require "debug" - -local getinfo = debug.getinfo -local type, next, tostring = type, next, tostring -local format, find = string.format, string.find -local is_boolean = string.is_boolean - -utilities = utilities or { } -utilities.debugger = utilities.debugger or { } -local debugger = utilities.debugger - -local counters = { } -local names = { } - --- one - -local function hook() - local f = getinfo(2) -- "nS" - if f then - local n = "unknown" - if f.what == "C" then - n = f.name or '<anonymous>' - if not names[n] then - names[n] = format("%42s",n) - end - else - -- source short_src linedefined what name namewhat nups func - n = f.name or f.namewhat or f.what - if not n or n == "" then - n = "?" - end - if not names[n] then - names[n] = format("%42s : % 5i : %s",n,f.linedefined or 0,f.short_src or "unknown source") - end - end - counters[n] = (counters[n] or 0) + 1 - end -end - -function debugger.showstats(printer,threshold) -- hm, something has changed, rubish now - printer = printer or texio.write or print - threshold = threshold or 0 - local total, grandtotal, functions = 0, 0, 0 - local dataset = { } - for name, count in next, counters do - dataset[#dataset+1] = { name, count } - end - table.sort(dataset,function(a,b) return a[2] == b[2] and b[1] > a[1] or a[2] > b[2] end) - for i=1,#dataset do - local d = dataset[i] - local name = d[1] - local count = d[2] - if count > threshold and not find(name,"for generator") then -- move up - printer(format("%8i %s\n", count, names[name])) - total = total + count - end - grandtotal = grandtotal + count - functions = functions + 1 - end - printer("\n") - printer(format("functions : % 10i\n", functions)) - printer(format("total : % 10i\n", total)) - printer(format("grand total: % 10i\n", grandtotal)) - printer(format("threshold : % 10i\n", threshold)) -end - -function debugger.savestats(filename,threshold) - local f = io.open(filename,'w') - if f then - debugger.showstats(function(str) f:write(str) end,threshold) - f:close() - end -end - -function debugger.enable() - debug.sethook(hook,"c") -end - -function debugger.disable() - debug.sethook() -end - - - - - -local is_node = node and node.is_node -local is_lpeg = lpeg and lpeg.type - -function inspect(i) -- global function - local ti = type(i) - if ti == "table" then - table.print(i,"table") - elseif is_node and is_node(i) then - table.print(nodes.astable(i),tostring(i)) - elseif is_lpeg and is_lpeg(i) then - lpeg.print(i) - else - print(tostring(i)) - end -end - --- from the lua book: - -function traceback() - local level = 1 - while true do - local info = debug.getinfo(level, "Sl") - if not info then - break - elseif info.what == "C" then - print(format("%3i : C function",level)) - else - print(format("%3i : [%s]:%d",level,info.short_src,info.currentline)) - end - level = level + 1 - end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['trac-inf'] = { - version = 1.001, - comment = "companion to trac-inf.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- As we want to protect the global tables, we no longer store the timing --- in the tables themselves but in a hidden timers table so that we don't --- get warnings about assignments. This is more efficient than using rawset --- and rawget. - -local format, lower = string.format, string.lower -local clock = os.gettimeofday or os.clock -- should go in environment -local write_nl = texio.write_nl - -statistics = statistics or { } -local statistics = statistics - -statistics.enable = true -statistics.threshold = 0.05 - -local statusinfo, n, registered, timers = { }, 0, { }, { } - -local function hastiming(instance) - return instance and timers[instance] -end - -local function resettiming(instance) - timers[instance or "notimer"] = { timing = 0, loadtime = 0 } -end - -local function starttiming(instance) - local timer = timers[instance or "notimer"] - if not timer then - timer = { } - timers[instance or "notimer"] = timer - end - local it = timer.timing - if not it then - it = 0 - end - if it == 0 then - timer.starttime = clock() - if not timer.loadtime then - timer.loadtime = 0 - end - end - timer.timing = it + 1 -end - -local function stoptiming(instance, report) - local timer = timers[instance or "notimer"] - local it = timer.timing - if it > 1 then - timer.timing = it - 1 - else - local starttime = timer.starttime - if starttime then - local stoptime = clock() - local loadtime = stoptime - starttime - timer.stoptime = stoptime - timer.loadtime = timer.loadtime + loadtime - if report then - statistics.report("load time %0.3f",loadtime) - end - timer.timing = 0 - return loadtime - end - end - return 0 -end - -local function elapsedtime(instance) - local timer = timers[instance or "notimer"] - return format("%0.3f",timer and timer.loadtime or 0) -end - -local function elapsedindeed(instance) - local timer = timers[instance or "notimer"] - return (timer and timer.loadtime or 0) > statistics.threshold -end - -local function elapsedseconds(instance,rest) -- returns nil if 0 seconds - if elapsedindeed(instance) then - return format("%s seconds %s", elapsedtime(instance),rest or "") - end -end - -statistics.hastiming = hastiming -statistics.resettiming = resettiming -statistics.starttiming = starttiming -statistics.stoptiming = stoptiming -statistics.elapsedtime = elapsedtime -statistics.elapsedindeed = elapsedindeed -statistics.elapsedseconds = elapsedseconds - --- general function - -function statistics.register(tag,fnc) - if statistics.enable and type(fnc) == "function" then - local rt = registered[tag] or (#statusinfo + 1) - statusinfo[rt] = { tag, fnc } - registered[tag] = rt - if #tag > n then n = #tag end - end -end - -function statistics.show(reporter) - if statistics.enable then - if not reporter then reporter = function(tag,data,n) write_nl(tag .. " " .. data) end end - -- this code will move - local register = statistics.register - register("luatex banner", function() - return lower(status.banner) - end) - register("control sequences", function() - return format("%s of %s + %s", status.cs_count, status.hash_size,status.hash_extra) - end) - register("callbacks", function() - local total, indirect = status.callbacks or 0, status.indirect_callbacks or 0 - return format("%s direct, %s indirect, %s total", total-indirect, indirect, total) - end) - collectgarbage("collect") - register("current memory usage", statistics.memused) - register("runtime",statistics.runtime) - for i=1,#statusinfo do - local s = statusinfo[i] - local r = s[2]() - if r then - reporter(s[1],r,n) - end - end - write_nl("") -- final newline - statistics.enable = false - end -end - -local template, report_statistics, nn = nil, nil, 0 -- we only calcute it once - -function statistics.showjobstat(tag,data,n) - if not logs then - -- sorry - elseif type(data) == "table" then - for i=1,#data do - statistics.showjobstat(tag,data[i],n) - end - else - if not template or n > nn then - template, n = format("%%-%ss - %%s",n), nn - report_statistics = logs.reporter("mkiv lua stats") - end - report_statistics(format(template,tag,data)) - end -end - -function statistics.memused() -- no math.round yet -) - local round = math.round or math.floor - return format("%s MB (ctx: %s MB)",round(collectgarbage("count")/1000), round(status.luastate_bytes/1000000)) -end - -starttiming(statistics) - -function statistics.formatruntime(runtime) -- indirect so it can be overloaded and - return format("%s seconds", runtime) -- indeed that happens in cure-uti.lua -end - -function statistics.runtime() - stoptiming(statistics) - return statistics.formatruntime(elapsedtime(statistics)) -end - -function statistics.timed(action,report) - report = report or logs.reporter("system") - starttiming("run") - action() - stoptiming("run") - report("total runtime: %s",elapsedtime("run")) -end - --- where, not really the best spot for this: - -commands = commands or { } - -function commands.resettimer(name) - resettiming(name or "whatever") - starttiming(name or "whatever") -end - -function commands.elapsedtime(name) - stoptiming(name or "whatever") - context(elapsedtime(name or "whatever")) -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['trac-set'] = { -- might become util-set.lua - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local type, next, tostring = type, next, tostring -local concat = table.concat -local format, find, lower, gsub, escapedpattern = string.format, string.find, string.lower, string.gsub, string.escapedpattern -local is_boolean = string.is_boolean -local settings_to_hash = utilities.parsers.settings_to_hash -local allocate = utilities.storage.allocate - -utilities = utilities or { } -local utilities = utilities -utilities.setters = utilities.setters or { } -local setters = utilities.setters - -local data = { } -- maybe just local - --- We can initialize from the cnf file. This is sort of tricky as --- later defined setters also need to be initialized then. If set --- this way, we need to ensure that they are not reset later on. - -local trace_initialize = false -- only for testing during development - -function setters.initialize(filename,name,values) -- filename only for diagnostics - local setter = data[name] - if setter then - local data = setter.data - if data then - for key, value in next, values do - -- key = gsub(key,"_",".") - value = is_boolean(value,value) - local functions = data[key] - if functions then - if #functions > 0 and not functions.value then - if trace_initialize then - setter.report("executing %s (%s -> %s)",key,filename,tostring(value)) - end - for i=1,#functions do - functions[i](value) - end - functions.value = value - else - if trace_initialize then - setter.report("skipping %s (%s -> %s)",key,filename,tostring(value)) - end - end - else - -- we do a simple preregistration i.e. not in the - -- list as it might be an obsolete entry - functions = { default = value } - data[key] = functions - if trace_initialize then - setter.report("storing %s (%s -> %s)",key,filename,tostring(value)) - end - end - end - return true - end - end -end - --- user interface code - -local function set(t,what,newvalue) - local data, done = t.data, t.done - if type(what) == "string" then - what = settings_to_hash(what) -- inefficient but ok - end - if type(what) ~= "table" then - return - end - if not done then -- catch ... why not set? - done = { } - t.done = done - end - for w, value in next, what do - if value == "" then - value = newvalue - elseif not value then - value = false -- catch nil - else - value = is_boolean(value,value) - end - w = "^" .. escapedpattern(w,true) .. "$" -- new: anchored - for name, functions in next, data do - if done[name] then - -- prevent recursion due to wildcards - elseif find(name,w) then - done[name] = true - for i=1,#functions do - functions[i](value) - end - functions.value = value - end - end - end -end - -local function reset(t) - for name, functions in next, t.data do - for i=1,#functions do - functions[i](false) - end - functions.value = false - end -end - -local function enable(t,what) - set(t,what,true) -end - -local function disable(t,what) - local data = t.data - if not what or what == "" then - t.done = { } - reset(t) - else - set(t,what,false) - end -end - -function setters.register(t,what,...) - local data = t.data - what = lower(what) - local functions = data[what] - if not functions then - functions = { } - data[what] = functions - if trace_initialize then - t.report("defining %s",what) - end - end - local default = functions.default -- can be set from cnf file - for _, fnc in next, { ... } do - local typ = type(fnc) - if typ == "string" then - if trace_initialize then - t.report("coupling %s to %s",what,fnc) - end - local s = fnc -- else wrong reference - fnc = function(value) set(t,s,value) end - elseif typ ~= "function" then - fnc = nil - end - if fnc then - functions[#functions+1] = fnc - -- default: set at command line or in cnf file - -- value : set in tex run (needed when loading runtime) - local value = functions.value or default - if value ~= nil then - fnc(value) - functions.value = value - end - end - end - return false -- so we can use it in an assignment -end - -function setters.enable(t,what) - local e = t.enable - t.enable, t.done = enable, { } - enable(t,what) - t.enable, t.done = e, { } -end - -function setters.disable(t,what) - local e = t.disable - t.disable, t.done = disable, { } - disable(t,what) - t.disable, t.done = e, { } -end - -function setters.reset(t) - t.done = { } - reset(t) -end - -function setters.list(t) -- pattern - local list = table.sortedkeys(t.data) - local user, system = { }, { } - for l=1,#list do - local what = list[l] - if find(what,"^%*") then - system[#system+1] = what - else - user[#user+1] = what - end - end - return user, system -end - -function setters.show(t) - local category = t.name - local list = setters.list(t) - t.report() - for k=1,#list do - local name = list[k] - local functions = t.data[name] - if functions then - local value, default, modules = functions.value, functions.default, #functions - value = value == nil and "unset" or tostring(value) - default = default == nil and "unset" or tostring(default) - t.report("%-30s modules: %2i default: %6s value: %6s",name,modules,default,value) - end - end - t.report() -end - --- we could have used a bit of oo and the trackers:enable syntax but --- there is already a lot of code around using the singular tracker - --- we could make this into a module but we also want the rest avaliable - -local enable, disable, register, list, show = setters.enable, setters.disable, setters.register, setters.list, setters.show - -local function report(setter,...) - local report = logs and logs.report - if report then - report(setter.name,...) - else -- fallback, as this module is loaded before the logger - write_nl(format("%-15s : %s\n",setter.name,format(...))) - end -end - -function setters.new(name) - local setter -- we need to access it in setter itself - setter = { - data = allocate(), -- indexed, but also default and value fields - name = name, - report = function(...) report (setter,...) end, - enable = function(...) enable (setter,...) end, - disable = function(...) disable (setter,...) end, - register = function(...) register(setter,...) end, - list = function(...) list (setter,...) end, - show = function(...) show (setter,...) end, - } - data[name] = setter - return setter -end - -trackers = setters.new("trackers") -directives = setters.new("directives") -experiments = setters.new("experiments") - -local t_enable, t_disable, t_report = trackers .enable, trackers .disable, trackers .report -local d_enable, d_disable, d_report = directives .enable, directives .disable, directives .report -local e_enable, e_disable, e_report = experiments.enable, experiments.disable, experiments.report - --- nice trick: we overload two of the directives related functions with variants that --- do tracing (itself using a tracker) .. proof of concept - -local trace_directives = false local trace_directives = false trackers.register("system.directives", function(v) trace_directives = v end) -local trace_experiments = false local trace_experiments = false trackers.register("system.experiments", function(v) trace_experiments = v end) - -function directives.enable(...) - if trace_directives then - d_report("enabling: %s",concat({...}," ")) - end - d_enable(...) -end - -function directives.disable(...) - if trace_directives then - d_report("disabling: %s",concat({...}," ")) - end - d_disable(...) -end - -function experiments.enable(...) - if trace_experiments then - e_report("enabling: %s",concat({...}," ")) - end - e_enable(...) -end - -function experiments.disable(...) - if trace_experiments then - e_report("disabling: %s",concat({...}," ")) - end - e_disable(...) -end - --- a useful example - -directives.register("system.nostatistics", function(v) - statistics.enable = not v -end) - -directives.register("system.nolibraries", function(v) - libraries = nil -- we discard this tracing for security -end) - --- experiment - -local flags = environment and environment.engineflags - -if flags then - if trackers and flags.trackers then - setters.initialize("flags","trackers", settings_to_hash(flags.trackers)) - -- t_enable(flags.trackers) - end - if directives and flags.directives then - setters.initialize("flags","directives", settings_to_hash(flags.directives)) - -- d_enable(flags.directives) - end -end - --- here - -if texconfig then - - -- this happens too late in ini mode but that is no problem - - local function set(k,v) - v = tonumber(v) - if v then - texconfig[k] = v - end - end - - directives.register("luatex.expanddepth", function(v) set("expand_depth",v) end) - directives.register("luatex.hashextra", function(v) set("hash_extra",v) end) - directives.register("luatex.nestsize", function(v) set("nest_size",v) end) - directives.register("luatex.maxinopen", function(v) set("max_in_open",v) end) - directives.register("luatex.maxprintline", function(v) set("max_print_line",v) end) - directives.register("luatex.maxstrings", function(v) set("max_strings",v) end) - directives.register("luatex.paramsize", function(v) set("param_size",v) end) - directives.register("luatex.savesize", function(v) set("save_size",v) end) - directives.register("luatex.stacksize", function(v) set("stack_size",v) end) - -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['trac-log'] = { - version = 1.001, - comment = "companion to trac-log.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- todo: less categories, more subcategories (e.g. nodes) - - -local write_nl, write = texio and texio.write_nl or print, texio and texio.write or io.write -local format, gmatch, find = string.format, string.gmatch, string.find -local concat, insert, remove = table.concat, table.insert, table.remove -local escapedpattern = string.escapedpattern -local texcount = tex and tex.count -local next, type = next, type - -local setmetatableindex = table.setmetatableindex - ---[[ldx-- -<p>This is a prelude to a more extensive logging module. We no longer -provide <l n='xml'/> based logging a sparsing is relatively easy anyway.</p> ---ldx]]-- - -logs = logs or { } -local logs = logs - -local moreinfo = [[ -More information about ConTeXt and the tools that come with it can be found at: - -maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context -webpage : http://www.pragma-ade.nl / http://tex.aanhet.net -wiki : http://contextgarden.net -]] - --- basic loggers - -local function ignore() end - -setmetatableindex(logs, function(t,k) t[k] = ignore ; return ignore end) - -local report, subreport, status, settarget, setformats, settranslations - -local direct, subdirect, writer, pushtarget, poptarget - -if tex and (tex.jobname or tex.formatname) then - - local valueiskey = { __index = function(t,k) t[k] = k return k end } -- will be helper - - local target = "term and log" - - logs.flush = io.flush - - local formats = { } setmetatable(formats, valueiskey) - local translations = { } setmetatable(translations,valueiskey) - - writer = function(...) - write_nl(target,...) - end - - newline = function() - write_nl(target,"\n") - end - - report = function(a,b,c,...) - if c then - write_nl(target,format("%-15s > %s\n",translations[a],format(formats[b],c,...))) - elseif b then - write_nl(target,format("%-15s > %s\n",translations[a],formats[b])) - elseif a then - write_nl(target,format("%-15s >\n", translations[a])) - else - write_nl(target,"\n") - end - end - - direct = function(a,b,c,...) - if c then - return format("%-15s > %s",translations[a],format(formats[b],c,...)) - elseif b then - return format("%-15s > %s",translations[a],formats[b]) - elseif a then - return format("%-15s >", translations[a]) - else - return "" - end - end - - subreport = function(a,s,b,c,...) - if c then - write_nl(target,format("%-15s > %s > %s\n",translations[a],translations[s],format(formats[b],c,...))) - elseif b then - write_nl(target,format("%-15s > %s > %s\n",translations[a],translations[s],formats[b])) - elseif a then - write_nl(target,format("%-15s > %s >\n", translations[a],translations[s])) - else - write_nl(target,"\n") - end - end - - subdirect = function(a,s,b,c,...) - if c then - return format("%-15s > %s > %s",translations[a],translations[s],format(formats[b],c,...)) - elseif b then - return format("%-15s > %s > %s",translations[a],translations[s],formats[b]) - elseif a then - return format("%-15s > %s >", translations[a],translations[s]) - else - return "" - end - end - - status = function(a,b,c,...) - if c then - write_nl(target,format("%-15s : %s\n",translations[a],format(formats[b],c,...))) - elseif b then - write_nl(target,format("%-15s : %s\n",translations[a],formats[b])) - elseif a then - write_nl(target,format("%-15s :\n", translations[a])) - else - write_nl(target,"\n") - end - end - - local targets = { - logfile = "log", - log = "log", - file = "log", - console = "term", - terminal = "term", - both = "term and log", - } - - settarget = function(whereto) - target = targets[whereto or "both"] or targets.both - if target == "term" or target == "term and log" then - logs.flush = io.flush - else - logs.flush = ignore - end - end - - local stack = { } - - pushtarget = function(newtarget) - insert(stack,target) - settarget(newtarget) - end - - poptarget = function() - if #stack > 0 then - settarget(remove(stack)) - end - end - - setformats = function(f) - formats = f - end - - settranslations = function(t) - translations = t - end - -else - - logs.flush = ignore - - writer = write_nl - - newline = function() - write_nl("\n") - end - - report = function(a,b,c,...) - if c then - write_nl(format("%-15s | %s",a,format(b,c,...))) - elseif b then - write_nl(format("%-15s | %s",a,b)) - elseif a then - write_nl(format("%-15s |", a)) - else - write_nl("") - end - end - - subreport = function(a,sub,b,c,...) - if c then - write_nl(format("%-15s | %s | %s",a,sub,format(b,c,...))) - elseif b then - write_nl(format("%-15s | %s | %s",a,sub,b)) - elseif a then - write_nl(format("%-15s | %s |", a,sub)) - else - write_nl("") - end - end - - status = function(a,b,c,...) -- not to be used in lua anyway - if c then - write_nl(format("%-15s : %s\n",a,format(b,c,...))) - elseif b then - write_nl(format("%-15s : %s\n",a,b)) -- b can have %'s - elseif a then - write_nl(format("%-15s :\n", a)) - else - write_nl("\n") - end - end - - direct = ignore - subdirect = ignore - - settarget = ignore - pushtarget = ignore - poptarget = ignore - setformats = ignore - settranslations = ignore - -end - -logs.report = report -logs.subreport = subreport -logs.status = status -logs.settarget = settarget -logs.pushtarget = pushtarget -logs.poptarget = poptarget -logs.setformats = setformats -logs.settranslations = settranslations - -logs.direct = direct -logs.subdirect = subdirect -logs.writer = writer -logs.newline = newline - --- installer - --- todo: renew (un) locks when a new one is added and wildcard - -local data, states = { }, nil - -function logs.reporter(category,subcategory) - local logger = data[category] - if not logger then - local state = false - if states == true then - state = true - elseif type(states) == "table" then - for c, _ in next, states do - if find(category,c) then - state = true - break - end - end - end - logger = { - reporters = { }, - state = state, - } - data[category] = logger - end - local reporter = logger.reporters[subcategory or "default"] - if not reporter then - if subcategory then - reporter = function(...) - if not logger.state then - subreport(category,subcategory,...) - end - end - logger.reporters[subcategory] = reporter - else - local tag = category - reporter = function(...) - if not logger.state then - report(category,...) - end - end - logger.reporters.default = reporter - end - end - return reporter -end - -logs.new = logs.reporter -- for old times sake - --- context specicific: this ends up in the macro stream - -local ctxreport = logs.writer - -function logs.setmessenger(m) - ctxreport = m -end - -function logs.messenger(category,subcategory) - -- we need to avoid catcode mess (todo: fast context) - if subcategory then - return function(...) - ctxreport(subdirect(category,subcategory,...)) - end - else - return function(...) - ctxreport(direct(category,...)) - end - end -end - --- so far - -local function setblocked(category,value) - if category == true then - -- lock all - category, value = "*", true - elseif category == false then - -- unlock all - category, value = "*", false - elseif value == nil then - -- lock selective - value = true - end - if category == "*" then - states = value - for k, v in next, data do - v.state = value - end - else - states = utilities.parsers.settings_to_hash(category) - for c, _ in next, states do - if data[c] then - v.state = value - else - c = escapedpattern(c,true) - for k, v in next, data do - if find(k,c) then - v.state = value - end - end - end - end - end -end - -function logs.disable(category,value) - setblocked(category,value == nil and true or value) -end - -function logs.enable(category) - setblocked(category,false) -end - -function logs.categories() - return table.sortedkeys(data) -end - -function logs.show() - local n, c, s, max = 0, 0, 0, 0 - for category, v in table.sortedpairs(data) do - n = n + 1 - local state = v.state - local reporters = v.reporters - local nc = #category - if nc > c then - c = nc - end - for subcategory, _ in next, reporters do - local ns = #subcategory - if ns > c then - s = ns - end - local m = nc + ns - if m > max then - max = m - end - end - local subcategories = concat(table.sortedkeys(reporters),", ") - if state == true then - state = "disabled" - elseif state == false then - state = "enabled" - else - state = "unknown" - end - -- no new here - report("logging","category: '%s', subcategories: '%s', state: '%s'",category,subcategories,state) - end - report("logging","categories: %s, max category: %s, max subcategory: %s, max combined: %s",n,c,s,max) -end - -directives.register("logs.blocked", function(v) - setblocked(v,true) -end) - -directives.register("logs.target", function(v) - settarget(v) -end) - --- tex specific loggers (might move elsewhere) - -local report_pages = logs.reporter("pages") -- not needed but saves checking when we grep for it - -local real, user, sub - -function logs.start_page_number() - real, user, sub = texcount.realpageno, texcount.userpageno, texcount.subpageno --- real, user, sub = 0, 0, 0 -end - -local timing = false -local starttime = nil -local lasttime = nil - -trackers.register("pages.timing", function(v) -- only for myself (diagnostics) - starttime = os.clock() - timing = true -end) - -function logs.stop_page_number() -- the first page can includes the initialization so we omit this in average - if timing then - local elapsed, average - local stoptime = os.clock() - if not lasttime or real < 2 then - elapsed = stoptime - average = stoptime - starttime = stoptime - else - elapsed = stoptime - lasttime - average = (stoptime - starttime) / (real - 1) - end - lasttime = stoptime - if real > 0 then - if user > 0 then - if sub > 0 then - report_pages("flushing realpage %s, userpage %s, subpage %s, time %0.04f / %0.04f",real,user,sub,elapsed,average) - else - report_pages("flushing realpage %s, userpage %s, time %0.04f / %0.04f",real,user,elapsed,average) - end - else - report_pages("flushing realpage %s, time %0.04f / %0.04f",real,elapsed,average) - end - else - report_pages("flushing page, time %0.04f / %0.04f",elapsed,average) - end - else - if real > 0 then - if user > 0 then - if sub > 0 then - report_pages("flushing realpage %s, userpage %s, subpage %s",real,user,sub) - else - report_pages("flushing realpage %s, userpage %s",real,user) - end - else - report_pages("flushing realpage %s",real) - end - else - report_pages("flushing page") - end - end - logs.flush() -end - -logs.report_job_stat = statistics and statistics.showjobstat - -local report_files = logs.reporter("files") - -local nesting = 0 -local verbose = false -local hasscheme = url.hasscheme - --- we don't have show_open and show_close callbacks yet - -function logs.show_open(name) - -- if hasscheme(name) ~= "virtual" then - -- if verbose then - -- nesting = nesting + 1 - -- report_files("level %s, opening %s",nesting,name) - -- else - -- write(format("(%s",name)) -- tex adds a space - -- end - -- end -end - -function logs.show_close(name) - -- if hasscheme(name) ~= "virtual" then - -- if verbose then - -- report_files("level %s, closing %s",nesting,name) - -- nesting = nesting - 1 - -- else - -- write(")") -- tex adds a space - -- end - -- end -end - -function logs.show_load(name) - -- if hasscheme(name) ~= "virtual" then - -- if verbose then - -- report_files("level %s, loading %s",nesting+1,name) - -- else - -- write(format("(%s)",name)) - -- end - -- end -end - --- there may be scripts out there using this: - -local simple = logs.reporter("comment") - -logs.simple = simple -logs.simpleline = simple - --- obsolete - -function logs.setprogram () end -- obsolete -function logs.extendbanner() end -- obsolete -function logs.reportlines () end -- obsolete -function logs.reportbanner() end -- obsolete -function logs.reportline () end -- obsolete -function logs.simplelines () end -- obsolete -function logs.help () end -- obsolete - --- applications - -local function reportlines(t,str) - if str then - for line in gmatch(str,"(.-)[\n\r]") do - t.report(line) - end - end -end - -local function reportbanner(t) - local banner = t.banner - if banner then - t.report(banner) - t.report() - end -end - -local function reportversion(t) - local banner = t.banner - if banner then - t.report(banner) - end -end - -local function reporthelp(t,...) - local helpinfo = t.helpinfo - if type(helpinfo) == "string" then - reportlines(t,helpinfo) - elseif type(helpinfo) == "table" then - local tags = { ... } - for i=1,#tags do - reportlines(t,t.helpinfo[tags[i]]) - if i < #tags then - t.report() - end - end - end -end - -local function reportinfo(t) - t.report() - reportlines(t,moreinfo) -end - -function logs.application(t) - t.name = t.name or "unknown" - t.banner = t.banner - t.report = logs.reporter(t.name) - t.help = function(...) reportbanner(t) ; reporthelp(t,...) ; reportinfo(t) end - t.identify = function() reportbanner(t) end - t.version = function() reportversion(t) end - return t -end - --- somewhat special - --- logging to a file - - -function logs.system(whereto,process,jobname,category,...) - local message = format("%s %s => %s => %s => %s\r",os.date("%d/%m/%y %H:%m:%S"),process,jobname,category,format(...)) - for i=1,10 do - local f = io.open(whereto,"a") -- we can consider keepint the file open - if f then - f:write(message) - f:close() - break - else - sleep(0.1) - end - end -end - -local report_system = logs.reporter("system","logs") - -function logs.obsolete(old,new) - local o = loadstring("return " .. new)() - if type(o) == "function" then - return function(...) - report_system("function %s is obsolete, use %s",old,new) - loadstring(old .. "=" .. new .. " return ".. old)()(...) - end - elseif type(o) == "table" then - local t, m = { }, { } - m.__index = function(t,k) - report_system("table %s is obsolete, use %s",old,new) - m.__index, m.__newindex = o, o - return o[k] - end - m.__newindex = function(t,k,v) - report_system("table %s is obsolete, use %s",old,new) - m.__index, m.__newindex = o, o - o[k] = v - end - if libraries then - libraries.obsolete[old] = t -- true - end - setmetatable(t,m) - return t - end -end - -if utilities then - utilities.report = report_system -end - -if tex and tex.error then - function logs.texerrormessage(...) -- for the moment we put this function here - tex.error(format(...), { }) - end -else - function logs.texerrormessage(...) - print(format(...)) - end -end - --- do we still need io.flush then? - -io.stdout:setvbuf('no') -io.stderr:setvbuf('no') - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['trac-pro'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local getmetatable, setmetatable, rawset, type = getmetatable, setmetatable, rawset, type - --- The protection implemented here is probably not that tight but good enough to catch --- problems due to naive usage. --- --- There's a more extensive version (trac-xxx.lua) that supports nesting. --- --- This will change when we have _ENV in lua 5.2+ - -local trace_namespaces = false trackers.register("system.namespaces", function(v) trace_namespaces = v end) - -local report_system = logs.reporter("system","protection") - -namespaces = namespaces or { } -local namespaces = namespaces - -local registered = { } - -local function report_index(k,name) - if trace_namespaces then - report_system("reference to '%s' in protected namespace '%s', %s",k,name,debug.traceback()) - else - report_system("reference to '%s' in protected namespace '%s'",k,name) - end -end - -local function report_newindex(k,name) - if trace_namespaces then - report_system("assignment to '%s' in protected namespace '%s', %s",k,name,debug.traceback()) - else - report_system("assignment to '%s' in protected namespace '%s'",k,name) - end -end - -local function register(name) - local data = name == "global" and _G or _G[name] - if not data then - return -- error - end - registered[name] = data - local m = getmetatable(data) - if not m then - m = { } - setmetatable(data,m) - end - local index, newindex = { }, { } - m.__saved__index = m.__index - m.__no__index = function(t,k) - if not index[k] then - index[k] = true - report_index(k,name) - end - return nil - end - m.__saved__newindex = m.__newindex - m.__no__newindex = function(t,k,v) - if not newindex[k] then - newindex[k] = true - report_newindex(k,name) - end - rawset(t,k,v) - end - m.__protection__depth = 0 -end - -local function private(name) -- maybe save name - local data = registered[name] - if not data then - data = _G[name] - if not data then - data = { } - _G[name] = data - end - register(name) - end - return data -end - -local function protect(name) - local data = registered[name] - if not data then - return - end - local m = getmetatable(data) - local pd = m.__protection__depth - if pd > 0 then - m.__protection__depth = pd + 1 - else - m.__save_d_index, m.__saved__newindex = m.__index, m.__newindex - m.__index, m.__newindex = m.__no__index, m.__no__newindex - m.__protection__depth = 1 - end -end - -local function unprotect(name) - local data = registered[name] - if not data then - return - end - local m = getmetatable(data) - local pd = m.__protection__depth - if pd > 1 then - m.__protection__depth = pd - 1 - else - m.__index, m.__newindex = m.__saved__index, m.__saved__newindex - m.__protection__depth = 0 - end -end - -local function protectall() - for name, _ in next, registered do - if name ~= "global" then - protect(name) - end - end -end - -local function unprotectall() - for name, _ in next, registered do - if name ~= "global" then - unprotect(name) - end - end -end - -namespaces.register = register -- register when defined -namespaces.private = private -- allocate and register if needed -namespaces.protect = protect -namespaces.unprotect = unprotect -namespaces.protectall = protectall -namespaces.unprotectall = unprotectall - -namespaces.private("namespaces") registered = { } register("global") -- unreachable - -directives.register("system.protect", function(v) - if v then - protectall() - else - unprotectall() - end -end) - -directives.register("system.checkglobals", function(v) - if v then - report_system("enabling global namespace guard") - protect("global") - else - report_system("disabling global namespace guard") - unprotect("global") - end -end) - --- dummy section (will go to luat-dum.lua) - - - - - - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['luat-env'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- A former version provided functionality for non embeded core --- scripts i.e. runtime library loading. Given the amount of --- Lua code we use now, this no longer makes sense. Much of this --- evolved before bytecode arrays were available and so a lot of --- code has disappeared already. - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) - -local report_lua = logs.reporter("resolvers","lua") - -local allocate, mark = utilities.storage.allocate, utilities.storage.mark - -local format, sub, match, gsub, find = string.format, string.sub, string.match, string.gsub, string.find -local unquoted, quoted = string.unquoted, string.quoted -local concat = table.concat - --- precautions - -os.setlocale(nil,nil) -- useless feature and even dangerous in luatex - -function os.setlocale() - -- no way you can mess with it -end - --- dirty tricks - -if arg and (arg[0] == 'luatex' or arg[0] == 'luatex.exe') and arg[1] == "--luaonly" then - arg[-1] = arg[0] - arg[ 0] = arg[2] - for k=3,#arg do - arg[k-2] = arg[k] - end - arg[#arg] = nil -- last - arg[#arg] = nil -- pre-last -end - --- environment - -environment = environment or { } -local environment = environment - -environment.arguments = allocate() -environment.files = allocate() -environment.sortedflags = nil - -local mt = { - __index = function(_,k) - if k == "version" then - local version = tex.toks and tex.toks.contextversiontoks - if version and version ~= "" then - rawset(environment,"version",version) - return version - else - return "unknown" - end - elseif k == "jobname" or k == "formatname" then - local name = tex and tex[k] - if name or name== "" then - rawset(environment,k,name) - return name - else - return "unknown" - end - elseif k == "outputfilename" then - local name = environment.jobname - rawset(environment,k,name) - return name - end - end -} - -setmetatable(environment,mt) - -function environment.initializearguments(arg) - local arguments, files = { }, { } - environment.arguments, environment.files, environment.sortedflags = arguments, files, nil - for index=1,#arg do - local argument = arg[index] - if index > 0 then - local flag, value = match(argument,"^%-+(.-)=(.-)$") - if flag then - arguments[flag] = unquoted(value or "") - else - flag = match(argument,"^%-+(.+)") - if flag then - arguments[flag] = true - else - files[#files+1] = argument - end - end - end - end - environment.ownname = environment.ownname or arg[0] or 'unknown.lua' -end - -function environment.setargument(name,value) - environment.arguments[name] = value -end - --- todo: defaults, better checks e.g on type (boolean versus string) --- --- tricky: too many hits when we support partials unless we add --- a registration of arguments so from now on we have 'partial' - -function environment.argument(name,partial) - local arguments, sortedflags = environment.arguments, environment.sortedflags - if arguments[name] then - return arguments[name] - elseif partial then - if not sortedflags then - sortedflags = allocate(table.sortedkeys(arguments)) - for k=1,#sortedflags do - sortedflags[k] = "^" .. sortedflags[k] - end - environment.sortedflags = sortedflags - end - -- example of potential clash: ^mode ^modefile - for k=1,#sortedflags do - local v = sortedflags[k] - if find(name,v) then - return arguments[sub(v,2,#v)] - end - end - end - return nil -end - -function environment.splitarguments(separator) -- rather special, cut-off before separator - local done, before, after = false, { }, { } - local originalarguments = environment.originalarguments - for k=1,#originalarguments do - local v = originalarguments[k] - if not done and v == separator then - done = true - elseif done then - after[#after+1] = v - else - before[#before+1] = v - end - end - return before, after -end - -function environment.reconstructcommandline(arg,noquote) - arg = arg or environment.originalarguments - if noquote and #arg == 1 then - -- we could just do: return unquoted(resolvers.resolve(arg[i])) - local a = arg[1] - a = resolvers.resolve(a) - a = unquoted(a) - return a - elseif #arg > 0 then - local result = { } - for i=1,#arg do - -- we could just do: result[#result+1] = format("%q",unquoted(resolvers.resolve(arg[i]))) - local a = arg[i] - a = resolvers.resolve(a) - a = unquoted(a) - a = gsub(a,'"','\\"') -- tricky - if find(a," ") then - result[#result+1] = quoted(a) - else - result[#result+1] = a - end - end - return concat(result," ") - else - return "" - end -end - - -if arg then - - -- new, reconstruct quoted snippets (maybe better just remove the " then and add them later) - local newarg, instring = { }, false - - for index=1,#arg do - local argument = arg[index] - if find(argument,"^\"") then - newarg[#newarg+1] = gsub(argument,"^\"","") - if not find(argument,"\"$") then - instring = true - end - elseif find(argument,"\"$") then - newarg[#newarg] = newarg[#newarg] .. " " .. gsub(argument,"\"$","") - instring = false - elseif instring then - newarg[#newarg] = newarg[#newarg] .. " " .. argument - else - newarg[#newarg+1] = argument - end - end - for i=1,-5,-1 do - newarg[i] = arg[i] - end - - environment.initializearguments(newarg) - - environment.originalarguments = mark(newarg) - environment.rawarguments = mark(arg) - - arg = { } -- prevent duplicate handling - -end - --- weird place ... depends on a not yet loaded module - -function environment.texfile(filename) - return resolvers.findfile(filename,'tex') -end - -function environment.luafile(filename) - local resolved = resolvers.findfile(filename,'tex') or "" - if resolved ~= "" then - return resolved - end - resolved = resolvers.findfile(filename,'texmfscripts') or "" - if resolved ~= "" then - return resolved - end - return resolvers.findfile(filename,'luatexlibs') or "" -end - -environment.loadedluacode = loadfile -- can be overloaded - -function environment.luafilechunk(filename,silent) -- used for loading lua bytecode in the format - filename = file.replacesuffix(filename, "lua") - local fullname = environment.luafile(filename) - if fullname and fullname ~= "" then - local data = environment.loadedluacode(fullname) - if trace_locating then - report_lua("loading file %s%s", fullname, not data and " failed" or "") - elseif not silent then - texio.write("<",data and "+ " or "- ",fullname,">") - end - return data - else - if trace_locating then - report_lua("unknown file %s", filename) - end - return nil - end -end - --- the next ones can use the previous ones / combine - -function environment.loadluafile(filename, version) - local lucname, luaname, chunk - local basename = file.removesuffix(filename) - if basename == filename then - lucname, luaname = basename .. ".luc", basename .. ".lua" - else - lucname, luaname = nil, basename -- forced suffix - end - -- when not overloaded by explicit suffix we look for a luc file first - local fullname = (lucname and environment.luafile(lucname)) or "" - if fullname ~= "" then - if trace_locating then - report_lua("loading %s", fullname) - end - chunk = loadfile(fullname) -- this way we don't need a file exists check - end - if chunk then - assert(chunk)() - if version then - -- we check of the version number of this chunk matches - local v = version -- can be nil - if modules and modules[filename] then - v = modules[filename].version -- new method - elseif versions and versions[filename] then - v = versions[filename] -- old method - end - if v == version then - return true - else - if trace_locating then - report_lua("version mismatch for %s: lua=%s, luc=%s", filename, v, version) - end - environment.loadluafile(filename) - end - else - return true - end - end - fullname = (luaname and environment.luafile(luaname)) or "" - if fullname ~= "" then - if trace_locating then - report_lua("loading %s", fullname) - end - chunk = loadfile(fullname) -- this way we don't need a file exists check - if not chunk then - if trace_locating then - report_lua("unknown file %s", filename) - end - else - assert(chunk)() - return true - end - end - return false -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['lxml-tab'] = { - version = 1.001, - comment = "this module is the basis for the lxml-* ones", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- this module needs a cleanup: check latest lpeg, passing args, (sub)grammar, etc etc --- stripping spaces from e.g. cont-en.xml saves .2 sec runtime so it's not worth the --- trouble - --- todo: when serializing optionally remap named entities to hex (if known in char-ent.lua) --- maybe when letter -> utf, else name .. then we need an option to the serializer .. a bit --- of work so we delay this till we cleanup - -local trace_entities = false trackers.register("xml.entities", function(v) trace_entities = v end) - -local report_xml = logs and logs.reporter("xml","core") or function(...) print(format(...)) end - ---[[ldx-- -<p>The parser used here is inspired by the variant discussed in the lua book, but -handles comment and processing instructions, has a different structure, provides -parent access; a first version used different trickery but was less optimized to we -went this route. First we had a find based parser, now we have an <l n='lpeg'/> based one. -The find based parser can be found in l-xml-edu.lua along with other older code.</p> - -<p>Beware, the interface may change. For instance at, ns, tg, dt may get more -verbose names. Once the code is stable we will also remove some tracing and -optimize the code.</p> - -<p>I might even decide to reimplement the parser using the latest <l n='lpeg'/> trickery -as the current variant was written when <l n='lpeg'/> showed up and it's easier now to -build tables in one go.</p> ---ldx]]-- - -xml = xml or { } -local xml = xml - - -local utf = unicode.utf8 -local concat, remove, insert = table.concat, table.remove, table.insert -local type, next, setmetatable, getmetatable, tonumber = type, next, setmetatable, getmetatable, tonumber -local format, lower, find, match, gsub = string.format, string.lower, string.find, string.match, string.gsub -local utfchar, utffind, utfgsub = utf.char, utf.find, utf.gsub -local lpegmatch = lpeg.match -local P, S, R, C, V, C, Cs = lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.V, lpeg.C, lpeg.Cs - ---[[ldx-- -<p>First a hack to enable namespace resolving. A namespace is characterized by -a <l n='url'/>. The following function associates a namespace prefix with a -pattern. We use <l n='lpeg'/>, which in this case is more than twice as fast as a -find based solution where we loop over an array of patterns. Less code and -much cleaner.</p> ---ldx]]-- - -xml.xmlns = xml.xmlns or { } - -local check = P(false) -local parse = check - ---[[ldx-- -<p>The next function associates a namespace prefix with an <l n='url'/>. This -normally happens independent of parsing.</p> - -<typing> -xml.registerns("mml","mathml") -</typing> ---ldx]]-- - -function xml.registerns(namespace, pattern) -- pattern can be an lpeg - check = check + C(P(lower(pattern))) / namespace - parse = P { P(check) + 1 * V(1) } -end - ---[[ldx-- -<p>The next function also registers a namespace, but this time we map a -given namespace prefix onto a registered one, using the given -<l n='url'/>. This used for attributes like <t>xmlns:m</t>.</p> - -<typing> -xml.checkns("m","http://www.w3.org/mathml") -</typing> ---ldx]]-- - -function xml.checkns(namespace,url) - local ns = lpegmatch(parse,lower(url)) - if ns and namespace ~= ns then - xml.xmlns[namespace] = ns - end -end - ---[[ldx-- -<p>Next we provide a way to turn an <l n='url'/> into a registered -namespace. This used for the <t>xmlns</t> attribute.</p> - -<typing> -resolvedns = xml.resolvens("http://www.w3.org/mathml") -</typing> - -This returns <t>mml</t>. ---ldx]]-- - -function xml.resolvens(url) - return lpegmatch(parse,lower(url)) or "" -end - ---[[ldx-- -<p>A namespace in an element can be remapped onto the registered -one efficiently by using the <t>xml.xmlns</t> table.</p> ---ldx]]-- - ---[[ldx-- -<p>This version uses <l n='lpeg'/>. We follow the same approach as before, stack and top and -such. This version is about twice as fast which is mostly due to the fact that -we don't have to prepare the stream for cdata, doctype etc etc. This variant is -is dedicated to Luigi Scarso, who challenged me with 40 megabyte <l n='xml'/> files that -took 12.5 seconds to load (1.5 for file io and the rest for tree building). With -the <l n='lpeg'/> implementation we got that down to less 7.3 seconds. Loading the 14 -<l n='context'/> interface definition files (2.6 meg) went down from 1.05 seconds to 0.55.</p> - -<p>Next comes the parser. The rather messy doctype definition comes in many -disguises so it is no surprice that later on have to dedicate quite some -<l n='lpeg'/> code to it.</p> - -<typing> -<!DOCTYPE Something PUBLIC "... ..." "..." [ ... ] > -<!DOCTYPE Something PUBLIC "... ..." "..." > -<!DOCTYPE Something SYSTEM "... ..." [ ... ] > -<!DOCTYPE Something SYSTEM "... ..." > -<!DOCTYPE Something [ ... ] > -<!DOCTYPE Something > -</typing> - -<p>The code may look a bit complex but this is mostly due to the fact that we -resolve namespaces and attach metatables. There is only one public function:</p> - -<typing> -local x = xml.convert(somestring) -</typing> - -<p>An optional second boolean argument tells this function not to create a root -element.</p> - -<p>Valid entities are:</p> - -<typing> -<!ENTITY xxxx SYSTEM "yyyy" NDATA zzzz> -<!ENTITY xxxx PUBLIC "yyyy" > -<!ENTITY xxxx "yyyy" > -</typing> ---ldx]]-- - --- not just one big nested table capture (lpeg overflow) - -local nsremap, resolvens = xml.xmlns, xml.resolvens - -local stack = { } -local top = { } -local dt = { } -local at = { } -local xmlns = { } -local errorstr = nil -local entities = { } -local strip = false -local cleanup = false -local utfize = false -local resolve_predefined = false -local unify_predefined = false - -local dcache = { } -local hcache = { } -local acache = { } - -local mt = { } - -local function initialize_mt(root) - mt = { __index = root } -- will be redefined later -end - -function xml.setproperty(root,k,v) - getmetatable(root).__index[k] = v -end - -function xml.checkerror(top,toclose) - return "" -- can be set -end - -local function add_attribute(namespace,tag,value) - if cleanup and #value > 0 then - value = cleanup(value) -- new - end - if tag == "xmlns" then - xmlns[#xmlns+1] = resolvens(value) - at[tag] = value - elseif namespace == "" then - at[tag] = value - elseif namespace == "xmlns" then - xml.checkns(tag,value) - at["xmlns:" .. tag] = value - else - -- for the moment this way: - at[namespace .. ":" .. tag] = value - end -end - -local function add_empty(spacing, namespace, tag) - if #spacing > 0 then - dt[#dt+1] = spacing - end - local resolved = (namespace == "" and xmlns[#xmlns]) or nsremap[namespace] or namespace - top = stack[#stack] - dt = top.dt - local t = { ns=namespace or "", rn=resolved, tg=tag, at=at, dt={}, __p__ = top } - dt[#dt+1] = t - setmetatable(t, mt) - if at.xmlns then - remove(xmlns) - end - at = { } -end - -local function add_begin(spacing, namespace, tag) - if #spacing > 0 then - dt[#dt+1] = spacing - end - local resolved = (namespace == "" and xmlns[#xmlns]) or nsremap[namespace] or namespace - top = { ns=namespace or "", rn=resolved, tg=tag, at=at, dt={}, __p__ = stack[#stack] } - setmetatable(top, mt) - dt = top.dt - stack[#stack+1] = top - at = { } -end - -local function add_end(spacing, namespace, tag) - if #spacing > 0 then - dt[#dt+1] = spacing - end - local toclose = remove(stack) - top = stack[#stack] - if #stack < 1 then - errorstr = format("nothing to close with %s %s", tag, xml.checkerror(top,toclose) or "") - elseif toclose.tg ~= tag then -- no namespace check - errorstr = format("unable to close %s with %s %s", toclose.tg, tag, xml.checkerror(top,toclose) or "") - end - dt = top.dt - dt[#dt+1] = toclose - -- dt[0] = top -- nasty circular reference when serializing table - if toclose.at.xmlns then - remove(xmlns) - end -end - -local function add_text(text) - if cleanup and #text > 0 then - dt[#dt+1] = cleanup(text) - else - dt[#dt+1] = text - end -end - -local function add_special(what, spacing, text) - if #spacing > 0 then - dt[#dt+1] = spacing - end - if strip and (what == "@cm@" or what == "@dt@") then - -- forget it - else - dt[#dt+1] = { special=true, ns="", tg=what, dt={ text } } - end -end - -local function set_message(txt) - errorstr = "garbage at the end of the file: " .. gsub(txt,"([ \n\r\t]*)","") -end - -local reported_attribute_errors = { } - -local function attribute_value_error(str) - if not reported_attribute_errors[str] then - report_xml("invalid attribute value: %q",str) - reported_attribute_errors[str] = true - at._error_ = str - end - return str -end - -local function attribute_specification_error(str) - if not reported_attribute_errors[str] then - report_xml("invalid attribute specification: %q",str) - reported_attribute_errors[str] = true - at._error_ = str - end - return str -end - -xml.placeholders = { - unknown_dec_entity = function(str) return (str == "" and "&error;") or format("&%s;",str) end, - unknown_hex_entity = function(str) return format("&#x%s;",str) end, - unknown_any_entity = function(str) return format("&#x%s;",str) end, -} - -local placeholders = xml.placeholders - -local function fromhex(s) - local n = tonumber(s,16) - if n then - return utfchar(n) - else - return format("h:%s",s), true - end -end - -local function fromdec(s) - local n = tonumber(s) - if n then - return utfchar(n) - else - return format("d:%s",s), true - end -end - --- one level expansion (simple case), no checking done - -local rest = (1-P(";"))^0 -local many = P(1)^0 - -local parsedentity = - P("&") * (P("#x")*(rest/fromhex) + P("#")*(rest/fromdec)) * P(";") * P(-1) + - (P("#x")*(many/fromhex) + P("#")*(many/fromdec)) - --- parsing in the xml file - -local predefined_unified = { - [38] = "&", - [42] = """, - [47] = "'", - [74] = "<", - [76] = ">", -} - -local predefined_simplified = { - [38] = "&", amp = "&", - [42] = '"', quot = '"', - [47] = "'", apos = "'", - [74] = "<", lt = "<", - [76] = ">", gt = ">", -} - -local nofprivates = 0xF0000 -- shared but seldom used - -local privates_u = { -- unescaped - [ [[&]] ] = "&", - [ [["]] ] = """, - [ [[']] ] = "'", - [ [[<]] ] = "<", - [ [[>]] ] = ">", -} - -local privates_p = { -} - -local privates_n = { - -- keeps track of defined ones -} - -local function escaped(s) - if s == "" then - return "" - else -- if utffind(s,privates_u) then - return (utfgsub(s,".",privates_u)) - -- else - -- return s - end -end - -local function unescaped(s) - local p = privates_n[s] - if not p then - nofprivates = nofprivates + 1 - p = utfchar(nofprivates) - privates_n[s] = p - s = "&" .. s .. ";" -- todo: use char-ent to map to hex - privates_u[p] = s - privates_p[p] = s - end - return p -end - -local function unprivatized(s,resolve) - if s == "" then - return "" - else - return (utfgsub(s,".",privates_p)) - end -end - -xml.privatetoken = unescaped -xml.unprivatized = unprivatized -xml.privatecodes = privates_n - -local function handle_hex_entity(str) - local h = hcache[str] - if not h then - local n = tonumber(str,16) - h = unify_predefined and predefined_unified[n] - if h then - if trace_entities then - report_xml("utfize, converting hex entity &#x%s; into %s",str,h) - end - elseif utfize then - h = (n and utfchar(n)) or xml.unknown_hex_entity(str) or "" - if not n then - report_xml("utfize, ignoring hex entity &#x%s;",str) - elseif trace_entities then - report_xml("utfize, converting hex entity &#x%s; into %s",str,h) - end - else - if trace_entities then - report_xml("found entity &#x%s;",str) - end - h = "&#x" .. str .. ";" - end - hcache[str] = h - end - return h -end - -local function handle_dec_entity(str) - local d = dcache[str] - if not d then - local n = tonumber(str) - d = unify_predefined and predefined_unified[n] - if d then - if trace_entities then - report_xml("utfize, converting dec entity &#%s; into %s",str,d) - end - elseif utfize then - d = (n and utfchar(n)) or placeholders.unknown_dec_entity(str) or "" - if not n then - report_xml("utfize, ignoring dec entity &#%s;",str) - elseif trace_entities then - report_xml("utfize, converting dec entity &#%s; into %s",str,d) - end - else - if trace_entities then - report_xml("found entity &#%s;",str) - end - d = "&#" .. str .. ";" - end - dcache[str] = d - end - return d -end - -xml.parsedentitylpeg = parsedentity - -local function handle_any_entity(str) - if resolve then - local a = acache[str] -- per instance ! todo - if not a then - a = resolve_predefined and predefined_simplified[str] - if a then - if trace_entities then - report_xml("resolved entity &%s; -> %s (predefined)",str,a) - end - else - if type(resolve) == "function" then - a = resolve(str) or entities[str] - else - a = entities[str] - end - if a then - if type(a) == "function" then - if trace_entities then - report_xml("expanding entity &%s; (function)",str) - end - a = a(str) or "" - end - a = lpegmatch(parsedentity,a) or a -- for nested - if trace_entities then - report_xml("resolved entity &%s; -> %s (internal)",str,a) - end - else - local unknown_any_entity = placeholders.unknown_any_entity - if unknown_any_entity then - a = unknown_any_entity(str) or "" - end - if a then - if trace_entities then - report_xml("resolved entity &%s; -> %s (external)",str,a) - end - else - if trace_entities then - report_xml("keeping entity &%s;",str) - end - if str == "" then - a = "&error;" - else - a = "&" .. str .. ";" - end - end - end - end - acache[str] = a - elseif trace_entities then - if not acache[str] then - report_xml("converting entity &%s; into %s",str,a) - acache[str] = a - end - end - return a - else - local a = acache[str] - if not a then - a = resolve_predefined and predefined_simplified[str] - if a then - -- one of the predefined - acache[str] = a - if trace_entities then - report_xml("entity &%s; becomes %s",str,tostring(a)) - end - elseif str == "" then - if trace_entities then - report_xml("invalid entity &%s;",str) - end - a = "&error;" - acache[str] = a - else - if trace_entities then - report_xml("entity &%s; is made private",str) - end - -- a = "&" .. str .. ";" - a = unescaped(str) - acache[str] = a - end - end - return a - end -end - -local function handle_end_entity(chr) - report_xml("error in entity, %q found instead of ';'",chr) -end - -local space = S(' \r\n\t') -local open = P('<') -local close = P('>') -local squote = S("'") -local dquote = S('"') -local equal = P('=') -local slash = P('/') -local colon = P(':') -local semicolon = P(';') -local ampersand = P('&') -local valid = R('az', 'AZ', '09') + S('_-.') -local name_yes = C(valid^1) * colon * C(valid^1) -local name_nop = C(P(true)) * C(valid^1) -local name = name_yes + name_nop -local utfbom = lpeg.patterns.utfbom -- no capture -local spacing = C(space^0) - ------ entitycontent = (1-open-semicolon)^0 -local anyentitycontent = (1-open-semicolon-space-close)^0 -local hexentitycontent = R("AF","af","09")^0 -local decentitycontent = R("09")^0 -local parsedentity = P("#")/"" * ( - P("x")/"" * (hexentitycontent/handle_hex_entity) + - (decentitycontent/handle_dec_entity) - ) + (anyentitycontent/handle_any_entity) -local entity = ampersand/"" * parsedentity * ( (semicolon/"") + #(P(1)/handle_end_entity)) - -local text_unparsed = C((1-open)^1) -local text_parsed = Cs(((1-open-ampersand)^1 + entity)^1) - -local somespace = space^1 -local optionalspace = space^0 - ------ value = (squote * C((1 - squote)^0) * squote) + (dquote * C((1 - dquote)^0) * dquote) -- ampersand and < also invalid in value -local value = (squote * Cs((entity + (1 - squote))^0) * squote) + (dquote * Cs((entity + (1 - dquote))^0) * dquote) -- ampersand and < also invalid in value - -local endofattributes = slash * close + close -- recovery of flacky html -local whatever = space * name * optionalspace * equal ------ wrongvalue = C(P(1-whatever-close)^1 + P(1-close)^1) / attribute_value_error ------ wrongvalue = C(P(1-whatever-endofattributes)^1 + P(1-endofattributes)^1) / attribute_value_error ------ wrongvalue = C(P(1-space-endofattributes)^1) / attribute_value_error -local wrongvalue = Cs(P(entity + (1-space-endofattributes))^1) / attribute_value_error - -local attributevalue = value + wrongvalue - -local attribute = (somespace * name * optionalspace * equal * optionalspace * attributevalue) / add_attribute ------ attributes = (attribute)^0 - -local attributes = (attribute + somespace^-1 * (((1-endofattributes)^1)/attribute_specification_error))^0 - -local parsedtext = text_parsed / add_text -local unparsedtext = text_unparsed / add_text -local balanced = P { "[" * ((1 - S"[]") + V(1))^0 * "]" } -- taken from lpeg manual, () example - -local emptyelement = (spacing * open * name * attributes * optionalspace * slash * close) / add_empty -local beginelement = (spacing * open * name * attributes * optionalspace * close) / add_begin -local endelement = (spacing * open * slash * name * optionalspace * close) / add_end - -local begincomment = open * P("!--") -local endcomment = P("--") * close -local begininstruction = open * P("?") -local endinstruction = P("?") * close -local begincdata = open * P("![CDATA[") -local endcdata = P("]]") * close - -local someinstruction = C((1 - endinstruction)^0) -local somecomment = C((1 - endcomment )^0) -local somecdata = C((1 - endcdata )^0) - -local function normalentity(k,v ) entities[k] = v end -local function systementity(k,v,n) entities[k] = v end -local function publicentity(k,v,n) entities[k] = v end - --- todo: separate dtd parser - -local begindoctype = open * P("!DOCTYPE") -local enddoctype = close -local beginset = P("[") -local endset = P("]") -local doctypename = C((1-somespace-close)^0) -local elementdoctype = optionalspace * P("<!ELEMENT") * (1-close)^0 * close - -local basiccomment = begincomment * ((1 - endcomment)^0) * endcomment - -local normalentitytype = (doctypename * somespace * value)/normalentity -local publicentitytype = (doctypename * somespace * P("PUBLIC") * somespace * value)/publicentity -local systementitytype = (doctypename * somespace * P("SYSTEM") * somespace * value * somespace * P("NDATA") * somespace * doctypename)/systementity -local entitydoctype = optionalspace * P("<!ENTITY") * somespace * (systementitytype + publicentitytype + normalentitytype) * optionalspace * close - --- we accept comments in doctypes - -local doctypeset = beginset * optionalspace * P(elementdoctype + entitydoctype + basiccomment + space)^0 * optionalspace * endset -local definitiondoctype= doctypename * somespace * doctypeset -local publicdoctype = doctypename * somespace * P("PUBLIC") * somespace * value * somespace * value * somespace * doctypeset -local systemdoctype = doctypename * somespace * P("SYSTEM") * somespace * value * somespace * doctypeset -local simpledoctype = (1-close)^1 -- * balanced^0 -local somedoctype = C((somespace * (publicdoctype + systemdoctype + definitiondoctype + simpledoctype) * optionalspace)^0) -local somedoctype = C((somespace * (publicdoctype + systemdoctype + definitiondoctype + simpledoctype) * optionalspace)^0) - -local instruction = (spacing * begininstruction * someinstruction * endinstruction) / function(...) add_special("@pi@",...) end -local comment = (spacing * begincomment * somecomment * endcomment ) / function(...) add_special("@cm@",...) end -local cdata = (spacing * begincdata * somecdata * endcdata ) / function(...) add_special("@cd@",...) end -local doctype = (spacing * begindoctype * somedoctype * enddoctype ) / function(...) add_special("@dt@",...) end - --- nicer but slower: --- --- local instruction = (Cc("@pi@") * spacing * begininstruction * someinstruction * endinstruction) / add_special --- local comment = (Cc("@cm@") * spacing * begincomment * somecomment * endcomment ) / add_special --- local cdata = (Cc("@cd@") * spacing * begincdata * somecdata * endcdata ) / add_special --- local doctype = (Cc("@dt@") * spacing * begindoctype * somedoctype * enddoctype ) / add_special - -local trailer = space^0 * (text_unparsed/set_message)^0 - --- comment + emptyelement + text + cdata + instruction + V("parent"), -- 6.5 seconds on 40 MB database file --- text + comment + emptyelement + cdata + instruction + V("parent"), -- 5.8 --- text + V("parent") + emptyelement + comment + cdata + instruction, -- 5.5 - -local grammar_parsed_text = P { "preamble", - preamble = utfbom^0 * instruction^0 * (doctype + comment + instruction)^0 * V("parent") * trailer, - parent = beginelement * V("children")^0 * endelement, - children = parsedtext + V("parent") + emptyelement + comment + cdata + instruction, -} - -local grammar_unparsed_text = P { "preamble", - preamble = utfbom^0 * instruction^0 * (doctype + comment + instruction)^0 * V("parent") * trailer, - parent = beginelement * V("children")^0 * endelement, - children = unparsedtext + V("parent") + emptyelement + comment + cdata + instruction, -} - --- maybe we will add settings to result as well - -local function _xmlconvert_(data, settings) - settings = settings or { } -- no_root strip_cm_and_dt given_entities parent_root error_handler - -- - strip = settings.strip_cm_and_dt - utfize = settings.utfize_entities - resolve = settings.resolve_entities - resolve_predefined = settings.resolve_predefined_entities -- in case we have escaped entities - unify_predefined = settings.unify_predefined_entities -- & -> & - cleanup = settings.text_cleanup - entities = settings.entities or { } - -- - if utfize == nil then - settings.utfize_entities = true - utfize = true - end - if resolve_predefined == nil then - settings.resolve_predefined_entities = true - resolve_predefined = true - end - -- - -- - stack, top, at, xmlns, errorstr = { }, { }, { }, { }, nil - acache, hcache, dcache = { }, { }, { } -- not stored - reported_attribute_errors = { } - if settings.parent_root then - mt = getmetatable(settings.parent_root) - else - initialize_mt(top) - end - stack[#stack+1] = top - top.dt = { } - dt = top.dt - if not data or data == "" then - errorstr = "empty xml file" - elseif utfize or resolve then - if lpegmatch(grammar_parsed_text,data) then - errorstr = "" - else - errorstr = "invalid xml file - parsed text" - end - elseif type(data) == "string" then - if lpegmatch(grammar_unparsed_text,data) then - errorstr = "" - else - errorstr = "invalid xml file - unparsed text" - end - else - errorstr = "invalid xml file - no text at all" - end - local result - if errorstr and errorstr ~= "" then - result = { dt = { { ns = "", tg = "error", dt = { errorstr }, at={ }, er = true } } } - setmetatable(stack, mt) - local errorhandler = settings.error_handler - if errorhandler == false then - -- no error message - else - errorhandler = errorhandler or xml.errorhandler - if errorhandler then - xml.errorhandler(format("load error: %s",errorstr)) - end - end - else - result = stack[1] - end - if not settings.no_root then - result = { special = true, ns = "", tg = '@rt@', dt = result.dt, at={ }, entities = entities, settings = settings } - setmetatable(result, mt) - local rdt = result.dt - for k=1,#rdt do - local v = rdt[k] - if type(v) == "table" and not v.special then -- always table -) - result.ri = k -- rootindex - v.__p__ = result -- new, experiment, else we cannot go back to settings, we need to test this ! - break - end - end - end - if errorstr and errorstr ~= "" then - result.error = true - end - result.statistics = { - entities = { - decimals = dcache, - hexadecimals = hcache, - names = acache, - } - } - strip, utfize, resolve, resolve_predefined = nil, nil, nil, nil - unify_predefined, cleanup, entities = nil, nil, nil - stack, top, at, xmlns, errorstr = nil, nil, nil, nil, nil - acache, hcache, dcache = nil, nil, nil - reported_attribute_errors, mt, errorhandler = nil, nil, nil - return result -end - --- Because we can have a crash (stack issues) with faulty xml, we wrap this one --- in a protector: - -function xmlconvert(data,settings) - local ok, result = pcall(function() return _xmlconvert_(data,settings) end) - if ok then - return result - else - return _xmlconvert_("") - end -end - -xml.convert = xmlconvert - -function xml.inheritedconvert(data,xmldata) -- xmldata is parent - local settings = xmldata.settings - if settings then - settings.parent_root = xmldata -- to be tested - end - -- settings.no_root = true - local xc = xmlconvert(data,settings) -- hm, we might need to locate settings - -- xc.settings = nil - -- xc.entities = nil - -- xc.special = nil - -- xc.ri = nil - -- print(xc.tg) - return xc -end - ---[[ldx-- -<p>Packaging data in an xml like table is done with the following -function. Maybe it will go away (when not used).</p> ---ldx]]-- - -function xml.is_valid(root) - return root and root.dt and root.dt[1] and type(root.dt[1]) == "table" and not root.dt[1].er -end - -function xml.package(tag,attributes,data) - local ns, tg = match(tag,"^(.-):?([^:]+)$") - local t = { ns = ns, tg = tg, dt = data or "", at = attributes or {} } - setmetatable(t, mt) - return t -end - -function xml.is_valid(root) - return root and not root.error -end - -xml.errorhandler = report_xml - ---[[ldx-- -<p>We cannot load an <l n='lpeg'/> from a filehandle so we need to load -the whole file first. The function accepts a string representing -a filename or a file handle.</p> ---ldx]]-- - -function xml.load(filename,settings) - local data = "" - if type(filename) == "string" then - -- local data = io.loaddata(filename) - -todo: check type in io.loaddata - local f = io.open(filename,'r') - if f then - data = f:read("*all") - f:close() - end - elseif filename then -- filehandle - data = filename:read("*all") - end - return xmlconvert(data,settings) -end - ---[[ldx-- -<p>When we inject new elements, we need to convert strings to -valid trees, which is what the next function does.</p> ---ldx]]-- - -local no_root = { no_root = true } - -function xml.toxml(data) - if type(data) == "string" then - local root = { xmlconvert(data,no_root) } - return (#root > 1 and root) or root[1] - else - return data - end -end - ---[[ldx-- -<p>For copying a tree we use a dedicated function instead of the -generic table copier. Since we know what we're dealing with we -can speed up things a bit. The second argument is not to be used!</p> ---ldx]]-- - -local function copy(old,tables) - if old then - tables = tables or { } - local new = { } - if not tables[old] then - tables[old] = new - end - for k,v in next, old do - new[k] = (type(v) == "table" and (tables[v] or copy(v, tables))) or v - end - local mt = getmetatable(old) - if mt then - setmetatable(new,mt) - end - return new - else - return { } - end -end - -xml.copy = copy - ---[[ldx-- -<p>In <l n='context'/> serializing the tree or parts of the tree is a major -actitivity which is why the following function is pretty optimized resulting -in a few more lines of code than needed. The variant that uses the formatting -function for all components is about 15% slower than the concatinating -alternative.</p> ---ldx]]-- - --- todo: add <?xml version='1.0' standalone='yes'?> when not present - -function xml.checkbom(root) -- can be made faster - if root.ri then - local dt = root.dt - for k=1,#dt do - local v = dt[k] - if type(v) == "table" and v.special and v.tg == "@pi@" and find(v.dt[1],"xml.*version=") then - return - end - end - insert(dt, 1, { special=true, ns="", tg="@pi@", dt = { "xml version='1.0' standalone='yes'"} } ) - insert(dt, 2, "\n" ) - end -end - ---[[ldx-- -<p>At the cost of some 25% runtime overhead you can first convert the tree to a string -and then handle the lot.</p> ---ldx]]-- - --- new experimental reorganized serialize - -local function verbose_element(e,handlers) -- options - local handle = handlers.handle - local serialize = handlers.serialize - local ens, etg, eat, edt, ern = e.ns, e.tg, e.at, e.dt, e.rn - local ats = eat and next(eat) and { } - if ats then - for k,v in next, eat do - ats[#ats+1] = format('%s=%q',k,escaped(v)) - end - end - if ern and trace_entities and ern ~= ens then - ens = ern - end - if ens ~= "" then - if edt and #edt > 0 then - if ats then - handle("<",ens,":",etg," ",concat(ats," "),">") - else - handle("<",ens,":",etg,">") - end - for i=1,#edt do - local e = edt[i] - if type(e) == "string" then - handle(escaped(e)) - else - serialize(e,handlers) - end - end - handle("</",ens,":",etg,">") - else - if ats then - handle("<",ens,":",etg," ",concat(ats," "),"/>") - else - handle("<",ens,":",etg,"/>") - end - end - else - if edt and #edt > 0 then - if ats then - handle("<",etg," ",concat(ats," "),">") - else - handle("<",etg,">") - end - for i=1,#edt do - local e = edt[i] - if type(e) == "string" then - handle(escaped(e)) -- option: hexify escaped entities - else - serialize(e,handlers) - end - end - handle("</",etg,">") - else - if ats then - handle("<",etg," ",concat(ats," "),"/>") - else - handle("<",etg,"/>") - end - end - end -end - -local function verbose_pi(e,handlers) - handlers.handle("<?",e.dt[1],"?>") -end - -local function verbose_comment(e,handlers) - handlers.handle("<!--",e.dt[1],"-->") -end - -local function verbose_cdata(e,handlers) - handlers.handle("<![CDATA[", e.dt[1],"]]>") -end - -local function verbose_doctype(e,handlers) - handlers.handle("<!DOCTYPE ",e.dt[1],">") -end - -local function verbose_root(e,handlers) - handlers.serialize(e.dt,handlers) -end - -local function verbose_text(e,handlers) - handlers.handle(escaped(e)) -end - -local function verbose_document(e,handlers) - local serialize = handlers.serialize - local functions = handlers.functions - for i=1,#e do - local ei = e[i] - if type(ei) == "string" then - functions["@tx@"](ei,handlers) - else - serialize(ei,handlers) - end - end -end - -local function serialize(e,handlers,...) - local initialize = handlers.initialize - local finalize = handlers.finalize - local functions = handlers.functions - if initialize then - local state = initialize(...) - if not state == true then - return state - end - end - local etg = e.tg - if etg then - (functions[etg] or functions["@el@"])(e,handlers) - -- elseif type(e) == "string" then - -- functions["@tx@"](e,handlers) - else - functions["@dc@"](e,handlers) -- dc ? - end - if finalize then - return finalize() - end -end - -local function xserialize(e,handlers) - local functions = handlers.functions - local etg = e.tg - if etg then - (functions[etg] or functions["@el@"])(e,handlers) - -- elseif type(e) == "string" then - -- functions["@tx@"](e,handlers) - else - functions["@dc@"](e,handlers) - end -end - -local handlers = { } - -local function newhandlers(settings) - local t = table.copy(handlers.verbose or { }) -- merge - if settings then - for k,v in next, settings do - if type(v) == "table" then - local tk = t[k] if not tk then tk = { } t[k] = tk end - for kk,vv in next, v do - tk[kk] = vv - end - else - t[k] = v - end - end - if settings.name then - handlers[settings.name] = t - end - end - utilities.storage.mark(t) - return t -end - -local nofunction = function() end - -function xml.sethandlersfunction(handler,name,fnc) - handler.functions[name] = fnc or nofunction -end - -function xml.gethandlersfunction(handler,name) - return handler.functions[name] -end - -function xml.gethandlers(name) - return handlers[name] -end - -newhandlers { - name = "verbose", - initialize = false, -- faster than nil and mt lookup - finalize = false, -- faster than nil and mt lookup - serialize = xserialize, - handle = print, - functions = { - ["@dc@"] = verbose_document, - ["@dt@"] = verbose_doctype, - ["@rt@"] = verbose_root, - ["@el@"] = verbose_element, - ["@pi@"] = verbose_pi, - ["@cm@"] = verbose_comment, - ["@cd@"] = verbose_cdata, - ["@tx@"] = verbose_text, - } -} - ---[[ldx-- -<p>How you deal with saving data depends on your preferences. For a 40 MB database -file the timing on a 2.3 Core Duo are as follows (time in seconds):</p> - -<lines> -1.3 : load data from file to string -6.1 : convert string into tree -5.3 : saving in file using xmlsave -6.8 : converting to string using xml.tostring -3.6 : saving converted string in file -</lines> - -<p>Beware, these were timing with the old routine but measurements will not be that -much different I guess.</p> ---ldx]]-- - --- maybe this will move to lxml-xml - -local result - -local xmlfilehandler = newhandlers { - name = "file", - initialize = function(name) - result = io.open(name,"wb") - return result - end, - finalize = function() - result:close() - return true - end, - handle = function(...) - result:write(...) - end, -} - --- no checking on writeability here but not faster either --- --- local xmlfilehandler = newhandlers { --- initialize = function(name) --- io.output(name,"wb") --- return true --- end, --- finalize = function() --- io.close() --- return true --- end, --- handle = io.write, --- } - -function xml.save(root,name) - serialize(root,xmlfilehandler,name) -end - -local result - -local xmlstringhandler = newhandlers { - name = "string", - initialize = function() - result = { } - return result - end, - finalize = function() - return concat(result) - end, - handle = function(...) - result[#result+1] = concat { ... } - end, -} - -local function xmltostring(root) -- 25% overhead due to collecting - if not root then - return "" - elseif type(root) == 'string' then - return root - else -- if next(root) then -- next is faster than type (and >0 test) - return serialize(root,xmlstringhandler) or "" - end -end - -local function __tostring(root) -- inline - return (root and xmltostring(root)) or "" -end - -initialize_mt = function(root) -- redefinition - mt = { __tostring = __tostring, __index = root } -end - -xml.defaulthandlers = handlers -xml.newhandlers = newhandlers -xml.serialize = serialize -xml.tostring = xmltostring - ---[[ldx-- -<p>The next function operated on the content only and needs a handle function -that accepts a string.</p> ---ldx]]-- - -local function xmlstring(e,handle) - if not handle or (e.special and e.tg ~= "@rt@") then - -- nothing - elseif e.tg then - local edt = e.dt - if edt then - for i=1,#edt do - xmlstring(edt[i],handle) - end - end - else - handle(e) - end -end - -xml.string = xmlstring - ---[[ldx-- -<p>A few helpers:</p> ---ldx]]-- - - -function xml.settings(e) - while e do - local s = e.settings - if s then - return s - else - e = e.__p__ - end - end - return nil -end - -function xml.root(e) - local r = e - while e do - e = e.__p__ - if e then - r = e - end - end - return r -end - -function xml.parent(root) - return root.__p__ -end - -function xml.body(root) - return (root.ri and root.dt[root.ri]) or root -- not ok yet -end - -function xml.name(root) - if not root then - return "" - elseif root.ns == "" then - return root.tg - else - return root.ns .. ":" .. root.tg - end -end - ---[[ldx-- -<p>The next helper erases an element but keeps the table as it is, -and since empty strings are not serialized (effectively) it does -not harm. Copying the table would take more time. Usage:</p> ---ldx]]-- - -function xml.erase(dt,k) - if dt then - if k then - dt[k] = "" - else for k=1,#dt do - dt[1] = { "" } - end end - end -end - ---[[ldx-- -<p>The next helper assigns a tree (or string). Usage:</p> - -<typing> -dt[k] = xml.assign(root) or xml.assign(dt,k,root) -</typing> ---ldx]]-- - -function xml.assign(dt,k,root) - if dt and k then - dt[k] = (type(root) == "table" and xml.body(root)) or root - return dt[k] - else - return xml.body(root) - end -end - --- the following helpers may move - ---[[ldx-- -<p>The next helper assigns a tree (or string). Usage:</p> -<typing> -xml.tocdata(e) -xml.tocdata(e,"error") -</typing> ---ldx]]-- - -function xml.tocdata(e,wrapper) - local whatever = type(e) == "table" and xmltostring(e.dt) or e or "" - if wrapper then - whatever = format("<%s>%s</%s>",wrapper,whatever,wrapper) - end - local t = { special = true, ns = "", tg = "@cd@", at = {}, rn = "", dt = { whatever }, __p__ = e } - setmetatable(t,getmetatable(e)) - e.dt = { t } -end - -function xml.makestandalone(root) - if root.ri then - local dt = root.dt - for k=1,#dt do - local v = dt[k] - if type(v) == "table" and v.special and v.tg == "@pi@" then - local txt = v.dt[1] - if find(txt,"xml.*version=") then - v.dt[1] = txt .. " standalone='yes'" - break - end - end - end - end - return root -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['lxml-pth'] = { - version = 1.001, - comment = "this module is the basis for the lxml-* ones", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- e.ni is only valid after a filter run --- todo: B/C/[get first match] - -local concat, remove, insert = table.concat, table.remove, table.insert -local type, next, tonumber, tostring, setmetatable, loadstring = type, next, tonumber, tostring, setmetatable, loadstring -local format, upper, lower, gmatch, gsub, find, rep = string.format, string.upper, string.lower, string.gmatch, string.gsub, string.find, string.rep -local lpegmatch, lpegpatterns = lpeg.match, lpeg.patterns - -local setmetatableindex = table.setmetatableindex - --- beware, this is not xpath ... e.g. position is different (currently) and --- we have reverse-sibling as reversed preceding sibling - ---[[ldx-- -<p>This module can be used stand alone but also inside <l n='mkiv'/> in -which case it hooks into the tracker code. Therefore we provide a few -functions that set the tracers. Here we overload a previously defined -function.</p> -<p>If I can get in the mood I will make a variant that is XSLT compliant -but I wonder if it makes sense.</P> ---ldx]]-- - ---[[ldx-- -<p>Expecially the lpath code is experimental, we will support some of xpath, but -only things that make sense for us; as compensation it is possible to hook in your -own functions. Apart from preprocessing content for <l n='context'/> we also need -this module for process management, like handling <l n='ctx'/> and <l n='rlx'/> -files.</p> - -<typing> -a/b/c /*/c -a/b/c/first() a/b/c/last() a/b/c/index(n) a/b/c/index(-n) -a/b/c/text() a/b/c/text(1) a/b/c/text(-1) a/b/c/text(n) -</typing> ---ldx]]-- - -local trace_lpath = false if trackers then trackers.register("xml.path", function(v) trace_lpath = v end) end -local trace_lparse = false if trackers then trackers.register("xml.parse", function(v) trace_lparse = v end) end -local trace_lprofile = false if trackers then trackers.register("xml.profile", function(v) trace_lpath = v trace_lparse = v trace_lprofile = v end) end - -local report_lpath = logs.reporter("xml","lpath") - ---[[ldx-- -<p>We've now arrived at an interesting part: accessing the tree using a subset -of <l n='xpath'/> and since we're not compatible we call it <l n='lpath'/>. We -will explain more about its usage in other documents.</p> ---ldx]]-- - -local xml = xml - -local lpathcalls = 0 function xml.lpathcalls () return lpathcalls end -local lpathcached = 0 function xml.lpathcached() return lpathcached end - -xml.functions = xml.functions or { } -- internal -local functions = xml.functions - -xml.expressions = xml.expressions or { } -- in expressions -local expressions = xml.expressions - -xml.finalizers = xml.finalizers or { } -- fast do-with ... (with return value other than collection) -local finalizers = xml.finalizers - -xml.specialhandler = xml.specialhandler or { } -local specialhandler = xml.specialhandler - -lpegpatterns.xml = lpegpatterns.xml or { } -local xmlpatterns = lpegpatterns.xml - -finalizers.xml = finalizers.xml or { } -finalizers.tex = finalizers.tex or { } - -local function fallback (t, name) - local fn = finalizers[name] - if fn then - t[name] = fn - else - report_lpath("unknown sub finalizer '%s'",tostring(name)) - fn = function() end - end - return fn -end - -setmetatableindex(finalizers.xml, fallback) -setmetatableindex(finalizers.tex, fallback) - -xml.defaultprotocol = "xml" - --- as xsl does not follow xpath completely here we will also --- be more liberal especially with regards to the use of | and --- the rootpath: --- --- test : all 'test' under current --- /test : 'test' relative to current --- a|b|c : set of names --- (a|b|c) : idem --- ! : not --- --- after all, we're not doing transformations but filtering. in --- addition we provide filter functions (last bit) --- --- todo: optimizer --- --- .. : parent --- * : all kids --- / : anchor here --- // : /**/ --- ** : all in between --- --- so far we had (more practical as we don't transform) --- --- {/test} : kids 'test' under current node --- {test} : any kid with tag 'test' --- {//test} : same as above - --- evaluator (needs to be redone, for the moment copied) - --- todo: apply_axis(list,notable) and collection vs single - -local apply_axis = { } - -apply_axis['root'] = function(list) - local collected = { } - for l=1,#list do - local ll = list[l] - local rt = ll - while ll do - ll = ll.__p__ - if ll then - rt = ll - end - end - collected[l] = rt - end - return collected -end - -apply_axis['self'] = function(list) - return list -end - -apply_axis['child'] = function(list) - local collected, c = { }, 0 - for l=1,#list do - local ll = list[l] - local dt = ll.dt - if dt then -- weird that this is needed - local en = 0 - for k=1,#dt do - local dk = dt[k] - if dk.tg then - c = c + 1 - collected[c] = dk - dk.ni = k -- refresh - en = en + 1 - dk.ei = en - end - end - ll.en = en - end - end - return collected -end - -local function collect(list,collected,c) - local dt = list.dt - if dt then - local en = 0 - for k=1,#dt do - local dk = dt[k] - if dk.tg then - c = c + 1 - collected[c] = dk - dk.ni = k -- refresh - en = en + 1 - dk.ei = en - c = collect(dk,collected,c) - end - end - list.en = en - end - return c -end - -apply_axis['descendant'] = function(list) - local collected, c = { }, 0 - for l=1,#list do - c = collect(list[l],collected,c) - end - return collected -end - -local function collect(list,collected,c) - local dt = list.dt - if dt then - local en = 0 - for k=1,#dt do - local dk = dt[k] - if dk.tg then - c = c + 1 - collected[c] = dk - dk.ni = k -- refresh - en = en + 1 - dk.ei = en - c = collect(dk,collected,c) - end - end - list.en = en - end - return c -end -apply_axis['descendant-or-self'] = function(list) - local collected, c = { }, 0 - for l=1,#list do - local ll = list[l] - if ll.special ~= true then -- catch double root - c = c + 1 - collected[c] = ll - end - c = collect(ll,collected,c) - end - return collected -end - -apply_axis['ancestor'] = function(list) - local collected, c = { }, 0 - for l=1,#list do - local ll = list[l] - while ll do - ll = ll.__p__ - if ll then - c = c + 1 - collected[c] = ll - end - end - end - return collected -end - -apply_axis['ancestor-or-self'] = function(list) - local collected, c = { }, 0 - for l=1,#list do - local ll = list[l] - c = c + 1 - collected[c] = ll - while ll do - ll = ll.__p__ - if ll then - c = c + 1 - collected[c] = ll - end - end - end - return collected -end - -apply_axis['parent'] = function(list) - local collected, c = { }, 0 - for l=1,#list do - local pl = list[l].__p__ - if pl then - c = c + 1 - collected[c] = pl - end - end - return collected -end - -apply_axis['attribute'] = function(list) - return { } -end - -apply_axis['namespace'] = function(list) - return { } -end - -apply_axis['following'] = function(list) -- incomplete - return { } -end - -apply_axis['preceding'] = function(list) -- incomplete - return { } -end - -apply_axis['following-sibling'] = function(list) - local collected, c = { }, 0 - for l=1,#list do - local ll = list[l] - local p = ll.__p__ - local d = p.dt - for i=ll.ni+1,#d do - local di = d[i] - if type(di) == "table" then - c = c + 1 - collected[c] = di - end - end - end - return collected -end - -apply_axis['preceding-sibling'] = function(list) - local collected, c = { }, 0 - for l=1,#list do - local ll = list[l] - local p = ll.__p__ - local d = p.dt - for i=1,ll.ni-1 do - local di = d[i] - if type(di) == "table" then - c = c + 1 - collected[c] = di - end - end - end - return collected -end - -apply_axis['reverse-sibling'] = function(list) -- reverse preceding - local collected, c = { }, 0 - for l=1,#list do - local ll = list[l] - local p = ll.__p__ - local d = p.dt - for i=ll.ni-1,1,-1 do - local di = d[i] - if type(di) == "table" then - c = c + 1 - collected[c] = di - end - end - end - return collected -end - -apply_axis['auto-descendant-or-self'] = apply_axis['descendant-or-self'] -apply_axis['auto-descendant'] = apply_axis['descendant'] -apply_axis['auto-child'] = apply_axis['child'] -apply_axis['auto-self'] = apply_axis['self'] -apply_axis['initial-child'] = apply_axis['child'] - -local function apply_nodes(list,directive,nodes) - -- todo: nodes[1] etc ... negated node name in set ... when needed - -- ... currently ignored - local maxn = #nodes - if maxn == 3 then --optimized loop - local nns, ntg = nodes[2], nodes[3] - if not nns and not ntg then -- wildcard - if directive then - return list - else - return { } - end - else - local collected, c, m, p = { }, 0, 0, nil - if not nns then -- only check tag - for l=1,#list do - local ll = list[l] - local ltg = ll.tg - if ltg then - if directive then - if ntg == ltg then - local llp = ll.__p__ ; if llp ~= p then p, m = llp, 1 else m = m + 1 end - c = c + 1 - collected[c], ll.mi = ll, m - end - elseif ntg ~= ltg then - local llp = ll.__p__ ; if llp ~= p then p, m = llp, 1 else m = m + 1 end - c = c + 1 - collected[c], ll.mi = ll, m - end - end - end - elseif not ntg then -- only check namespace - for l=1,#list do - local ll = list[l] - local lns = ll.rn or ll.ns - if lns then - if directive then - if lns == nns then - local llp = ll.__p__ ; if llp ~= p then p, m = llp, 1 else m = m + 1 end - c = c + 1 - collected[c], ll.mi = ll, m - end - elseif lns ~= nns then - local llp = ll.__p__ ; if llp ~= p then p, m = llp, 1 else m = m + 1 end - c = c + 1 - collected[c], ll.mi = ll, m - end - end - end - else -- check both - for l=1,#list do - local ll = list[l] - local ltg = ll.tg - if ltg then - local lns = ll.rn or ll.ns - local ok = ltg == ntg and lns == nns - if directive then - if ok then - local llp = ll.__p__ ; if llp ~= p then p, m = llp, 1 else m = m + 1 end - c = c + 1 - collected[c], ll.mi = ll, m - end - elseif not ok then - local llp = ll.__p__ ; if llp ~= p then p, m = llp, 1 else m = m + 1 end - c = c + 1 - collected[c], ll.mi = ll, m - end - end - end - end - return collected - end - else - local collected, c, m, p = { }, 0, 0, nil - for l=1,#list do - local ll = list[l] - local ltg = ll.tg - if ltg then - local lns = ll.rn or ll.ns - local ok = false - for n=1,maxn,3 do - local nns, ntg = nodes[n+1], nodes[n+2] - ok = (not ntg or ltg == ntg) and (not nns or lns == nns) - if ok then - break - end - end - if directive then - if ok then - local llp = ll.__p__ ; if llp ~= p then p, m = llp, 1 else m = m + 1 end - c = c + 1 - collected[c], ll.mi = ll, m - end - elseif not ok then - local llp = ll.__p__ ; if llp ~= p then p, m = llp, 1 else m = m + 1 end - c = c + 1 - collected[c], ll.mi = ll, m - end - end - end - return collected - end -end - -local quit_expression = false - -local function apply_expression(list,expression,order) - local collected, c = { }, 0 - quit_expression = false - for l=1,#list do - local ll = list[l] - if expression(list,ll,l,order) then -- nasty, order alleen valid als n=1 - c = c + 1 - collected[c] = ll - end - if quit_expression then - break - end - end - return collected -end - -local P, V, C, Cs, Cc, Ct, R, S, Cg, Cb = lpeg.P, lpeg.V, lpeg.C, lpeg.Cs, lpeg.Cc, lpeg.Ct, lpeg.R, lpeg.S, lpeg.Cg, lpeg.Cb - -local spaces = S(" \n\r\t\f")^0 -local lp_space = S(" \n\r\t\f") -local lp_any = P(1) -local lp_noequal = P("!=") / "~=" + P("<=") + P(">=") + P("==") -local lp_doequal = P("=") / "==" -local lp_or = P("|") / " or " -local lp_and = P("&") / " and " - -local lp_builtin = P ( - P("text") / "(ll.dt[1] or '')" + -- fragile - P("content") / "ll.dt" + - -- P("name") / "(ll.ns~='' and ll.ns..':'..ll.tg)" + - P("name") / "((ll.ns~='' and ll.ns..':'..ll.tg) or ll.tg)" + - P("tag") / "ll.tg" + - P("position") / "l" + -- is element in finalizer - P("firstindex") / "1" + - P("lastindex") / "(#ll.__p__.dt or 1)" + - P("firstelement") / "1" + - P("lastelement") / "(ll.__p__.en or 1)" + - P("first") / "1" + - P("last") / "#list" + - P("rootposition") / "order" + - P("order") / "order" + - P("element") / "(ll.ei or 1)" + - P("index") / "(ll.ni or 1)" + - P("match") / "(ll.mi or 1)" + - -- P("namespace") / "ll.ns" + - P("ns") / "ll.ns" - ) * ((spaces * P("(") * spaces * P(")"))/"") - --- for the moment we keep namespaces with attributes - -local lp_attribute = (P("@") + P("attribute::")) / "" * Cc("(ll.at and ll.at['") * ((R("az","AZ") + S("-_:"))^1) * Cc("'])") -local lp_fastpos_p = ((P("+")^0 * R("09")^1 * P(-1)) / function(s) return "l==" .. s end) -local lp_fastpos_n = ((P("-") * R("09")^1 * P(-1)) / function(s) return "(" .. s .. "<0 and (#list+".. s .. "==l))" end) -local lp_fastpos = lp_fastpos_n + lp_fastpos_p -local lp_reserved = C("and") + C("or") + C("not") + C("div") + C("mod") + C("true") + C("false") - -local lp_lua_function = C(R("az","AZ","__")^1 * (P(".") * R("az","AZ","__")^1)^1) * ("(") / function(t) -- todo: better . handling - return t .. "(" -end - -local lp_function = C(R("az","AZ","__")^1) * P("(") / function(t) -- todo: better . handling - if expressions[t] then - return "expr." .. t .. "(" - else - return "expr.error(" - end -end - -local lparent = P("(") -local rparent = P(")") -local noparent = 1 - (lparent+rparent) -local nested = P{lparent * (noparent + V(1))^0 * rparent} -local value = P(lparent * C((noparent + nested)^0) * rparent) -- P{"("*C(((1-S("()"))+V(1))^0)*")"} - -local lp_child = Cc("expr.child(ll,'") * R("az","AZ","--","__")^1 * Cc("')") -local lp_number = S("+-") * R("09")^1 -local lp_string = Cc("'") * R("az","AZ","--","__")^1 * Cc("'") -local lp_content = (P("'") * (1-P("'"))^0 * P("'") + P('"') * (1-P('"'))^0 * P('"')) - -local cleaner - -local lp_special = (C(P("name")+P("text")+P("tag")+P("count")+P("child"))) * value / function(t,s) - if expressions[t] then - s = s and s ~= "" and lpegmatch(cleaner,s) - if s and s ~= "" then - return "expr." .. t .. "(ll," .. s ..")" - else - return "expr." .. t .. "(ll)" - end - else - return "expr.error(" .. t .. ")" - end -end - -local content = - lp_builtin + - lp_attribute + - lp_special + - lp_noequal + lp_doequal + - lp_or + lp_and + - lp_reserved + - lp_lua_function + lp_function + - lp_content + -- too fragile - lp_child + - lp_any - -local converter = Cs ( - lp_fastpos + (P { lparent * (V(1))^0 * rparent + content } )^0 -) - -cleaner = Cs ( ( - lp_reserved + - lp_number + - lp_string + -1 )^1 ) - - - -local template_e = [[ - local expr = xml.expressions - return function(list,ll,l,order) - return %s - end -]] - -local template_f_y = [[ - local finalizer = xml.finalizers['%s']['%s'] - return function(collection) - return finalizer(collection,%s) - end -]] - -local template_f_n = [[ - return xml.finalizers['%s']['%s'] -]] - --- - -local register_self = { kind = "axis", axis = "self" } -- , apply = apply_axis["self"] } -local register_parent = { kind = "axis", axis = "parent" } -- , apply = apply_axis["parent"] } -local register_descendant = { kind = "axis", axis = "descendant" } -- , apply = apply_axis["descendant"] } -local register_child = { kind = "axis", axis = "child" } -- , apply = apply_axis["child"] } -local register_descendant_or_self = { kind = "axis", axis = "descendant-or-self" } -- , apply = apply_axis["descendant-or-self"] } -local register_root = { kind = "axis", axis = "root" } -- , apply = apply_axis["root"] } -local register_ancestor = { kind = "axis", axis = "ancestor" } -- , apply = apply_axis["ancestor"] } -local register_ancestor_or_self = { kind = "axis", axis = "ancestor-or-self" } -- , apply = apply_axis["ancestor-or-self"] } -local register_attribute = { kind = "axis", axis = "attribute" } -- , apply = apply_axis["attribute"] } -local register_namespace = { kind = "axis", axis = "namespace" } -- , apply = apply_axis["namespace"] } -local register_following = { kind = "axis", axis = "following" } -- , apply = apply_axis["following"] } -local register_following_sibling = { kind = "axis", axis = "following-sibling" } -- , apply = apply_axis["following-sibling"] } -local register_preceding = { kind = "axis", axis = "preceding" } -- , apply = apply_axis["preceding"] } -local register_preceding_sibling = { kind = "axis", axis = "preceding-sibling" } -- , apply = apply_axis["preceding-sibling"] } -local register_reverse_sibling = { kind = "axis", axis = "reverse-sibling" } -- , apply = apply_axis["reverse-sibling"] } - -local register_auto_descendant_or_self = { kind = "axis", axis = "auto-descendant-or-self" } -- , apply = apply_axis["auto-descendant-or-self"] } -local register_auto_descendant = { kind = "axis", axis = "auto-descendant" } -- , apply = apply_axis["auto-descendant"] } -local register_auto_self = { kind = "axis", axis = "auto-self" } -- , apply = apply_axis["auto-self"] } -local register_auto_child = { kind = "axis", axis = "auto-child" } -- , apply = apply_axis["auto-child"] } - -local register_initial_child = { kind = "axis", axis = "initial-child" } -- , apply = apply_axis["initial-child"] } - -local register_all_nodes = { kind = "nodes", nodetest = true, nodes = { true, false, false } } - -local skip = { } - -local function errorrunner_e(str,cnv) - if not skip[str] then - report_lpath("error in expression: %s => %s",str,cnv) - skip[str] = cnv or str - end - return false -end -local function errorrunner_f(str,arg) - report_lpath("error in finalizer: %s(%s)",str,arg or "") - return false -end - -local function register_nodes(nodetest,nodes) - return { kind = "nodes", nodetest = nodetest, nodes = nodes } -end - -local function register_expression(expression) - local converted = lpegmatch(converter,expression) - local runner = loadstring(format(template_e,converted)) - runner = (runner and runner()) or function() errorrunner_e(expression,converted) end - return { kind = "expression", expression = expression, converted = converted, evaluator = runner } -end - -local function register_finalizer(protocol,name,arguments) - local runner - if arguments and arguments ~= "" then - runner = loadstring(format(template_f_y,protocol or xml.defaultprotocol,name,arguments)) - else - runner = loadstring(format(template_f_n,protocol or xml.defaultprotocol,name)) - end - runner = (runner and runner()) or function() errorrunner_f(name,arguments) end - return { kind = "finalizer", name = name, arguments = arguments, finalizer = runner } -end - -local expression = P { "ex", - ex = "[" * C((V("sq") + V("dq") + (1 - S("[]")) + V("ex"))^0) * "]", - sq = "'" * (1 - S("'"))^0 * "'", - dq = '"' * (1 - S('"'))^0 * '"', -} - -local arguments = P { "ar", - ar = "(" * Cs((V("sq") + V("dq") + V("nq") + P(1-P(")")))^0) * ")", - nq = ((1 - S("),'\""))^1) / function(s) return format("%q",s) end, - sq = P("'") * (1 - P("'"))^0 * P("'"), - dq = P('"') * (1 - P('"'))^0 * P('"'), -} - --- todo: better arg parser - -local function register_error(str) - return { kind = "error", error = format("unparsed: %s",str) } -end - --- there is a difference in * and /*/ and so we need to catch a few special cases - -local special_1 = P("*") * Cc(register_auto_descendant) * Cc(register_all_nodes) -- last one not needed -local special_2 = P("/") * Cc(register_auto_self) -local special_3 = P("") * Cc(register_auto_self) - -local no_nextcolon = P(-1) + #(1-P(":")) -- newer lpeg needs the P(-1) -local no_nextlparent = P(-1) + #(1-P("(")) -- newer lpeg needs the P(-1) - -local pathparser = Ct { "patterns", -- can be made a bit faster by moving some patterns outside - - patterns = spaces * V("protocol") * spaces * ( - ( V("special") * spaces * P(-1) ) + - ( V("initial") * spaces * V("step") * spaces * (P("/") * spaces * V("step") * spaces)^0 ) - ), - - protocol = Cg(V("letters"),"protocol") * P("://") + Cg(Cc(nil),"protocol"), - - -- the / is needed for // as descendant or self is somewhat special - -- step = (V("shortcuts") + V("axis") * spaces * V("nodes")^0 + V("error")) * spaces * V("expressions")^0 * spaces * V("finalizer")^0, - step = ((V("shortcuts") + P("/") + V("axis")) * spaces * V("nodes")^0 + V("error")) * spaces * V("expressions")^0 * spaces * V("finalizer")^0, - - axis = V("descendant") + V("child") + V("parent") + V("self") + V("root") + V("ancestor") + - V("descendant_or_self") + V("following_sibling") + V("following") + - V("reverse_sibling") + V("preceding_sibling") + V("preceding") + V("ancestor_or_self") + - #(1-P(-1)) * Cc(register_auto_child), - - special = special_1 + special_2 + special_3, - - initial = (P("/") * spaces * Cc(register_initial_child))^-1, - - error = (P(1)^1) / register_error, - - shortcuts_a = V("s_descendant_or_self") + V("s_descendant") + V("s_child") + V("s_parent") + V("s_self") + V("s_root") + V("s_ancestor"), - - shortcuts = V("shortcuts_a") * (spaces * "/" * spaces * V("shortcuts_a"))^0, - - s_descendant_or_self = (P("***/") + P("/")) * Cc(register_descendant_or_self), --- *** is a bonus - s_descendant = P("**") * Cc(register_descendant), - s_child = P("*") * no_nextcolon * Cc(register_child ), - s_parent = P("..") * Cc(register_parent ), - s_self = P("." ) * Cc(register_self ), - s_root = P("^^") * Cc(register_root ), - s_ancestor = P("^") * Cc(register_ancestor ), - - descendant = P("descendant::") * Cc(register_descendant ), - child = P("child::") * Cc(register_child ), - parent = P("parent::") * Cc(register_parent ), - self = P("self::") * Cc(register_self ), - root = P('root::') * Cc(register_root ), - ancestor = P('ancestor::') * Cc(register_ancestor ), - descendant_or_self = P('descendant-or-self::') * Cc(register_descendant_or_self ), - ancestor_or_self = P('ancestor-or-self::') * Cc(register_ancestor_or_self ), - -- attribute = P('attribute::') * Cc(register_attribute ), - -- namespace = P('namespace::') * Cc(register_namespace ), - following = P('following::') * Cc(register_following ), - following_sibling = P('following-sibling::') * Cc(register_following_sibling ), - preceding = P('preceding::') * Cc(register_preceding ), - preceding_sibling = P('preceding-sibling::') * Cc(register_preceding_sibling ), - reverse_sibling = P('reverse-sibling::') * Cc(register_reverse_sibling ), - - nodes = (V("nodefunction") * spaces * P("(") * V("nodeset") * P(")") + V("nodetest") * V("nodeset")) / register_nodes, - - expressions = expression / register_expression, - - letters = R("az")^1, - name = (1-S("/[]()|:*!"))^1, -- make inline - negate = P("!") * Cc(false), - - nodefunction = V("negate") + P("not") * Cc(false) + Cc(true), - nodetest = V("negate") + Cc(true), - nodename = (V("negate") + Cc(true)) * spaces * ((V("wildnodename") * P(":") * V("wildnodename")) + (Cc(false) * V("wildnodename"))), - wildnodename = (C(V("name")) + P("*") * Cc(false)) * no_nextlparent, - nodeset = spaces * Ct(V("nodename") * (spaces * P("|") * spaces * V("nodename"))^0) * spaces, - - finalizer = (Cb("protocol") * P("/")^-1 * C(V("name")) * arguments * P(-1)) / register_finalizer, - -} - -xmlpatterns.pathparser = pathparser - -local cache = { } - -local function nodesettostring(set,nodetest) - local t = { } - for i=1,#set,3 do - local directive, ns, tg = set[i], set[i+1], set[i+2] - if not ns or ns == "" then ns = "*" end - if not tg or tg == "" then tg = "*" end - tg = (tg == "@rt@" and "[root]") or format("%s:%s",ns,tg) - t[i] = (directive and tg) or format("not(%s)",tg) - end - if nodetest == false then - return format("not(%s)",concat(t,"|")) - else - return concat(t,"|") - end -end - -local function tagstostring(list) - if #list == 0 then - return "no elements" - else - local t = { } - for i=1, #list do - local li = list[i] - local ns, tg = li.ns, li.tg - if not ns or ns == "" then ns = "*" end - if not tg or tg == "" then tg = "*" end - t[i] = (tg == "@rt@" and "[root]") or format("%s:%s",ns,tg) - end - return concat(t," ") - end -end - -xml.nodesettostring = nodesettostring - -local lpath -- we have a harmless kind of circular reference - -local lshowoptions = { functions = false } - -local function lshow(parsed) - if type(parsed) == "string" then - parsed = lpath(parsed) - end - report_lpath("%s://%s => %s",parsed.protocol or xml.defaultprotocol,parsed.pattern, - table.serialize(parsed,false,lshowoptions)) -end - -xml.lshow = lshow - -local function add_comment(p,str) - local pc = p.comment - if not pc then - p.comment = { str } - else - pc[#pc+1] = str - end -end - -lpath = function (pattern) -- the gain of caching is rather minimal - lpathcalls = lpathcalls + 1 - if type(pattern) == "table" then - return pattern - else - local parsed = cache[pattern] - if parsed then - lpathcached = lpathcached + 1 - else - parsed = lpegmatch(pathparser,pattern) - if parsed then - parsed.pattern = pattern - local np = #parsed - if np == 0 then - parsed = { pattern = pattern, register_self, state = "parsing error" } - report_lpath("parsing error in '%s'",pattern) - lshow(parsed) - else - -- we could have done this with a more complex parser but this - -- is cleaner - local pi = parsed[1] - if pi.axis == "auto-child" then - if false then - add_comment(parsed, "auto-child replaced by auto-descendant-or-self") - parsed[1] = register_auto_descendant_or_self - else - add_comment(parsed, "auto-child replaced by auto-descendant") - parsed[1] = register_auto_descendant - end - elseif pi.axis == "initial-child" and np > 1 and parsed[2].axis then - add_comment(parsed, "initial-child removed") -- we could also make it a auto-self - remove(parsed,1) - end - local np = #parsed -- can have changed - if np > 1 then - local pnp = parsed[np] - if pnp.kind == "nodes" and pnp.nodetest == true then - local nodes = pnp.nodes - if nodes[1] == true and nodes[2] == false and nodes[3] == false then - add_comment(parsed, "redundant final wildcard filter removed") - remove(parsed,np) - end - end - end - end - else - parsed = { pattern = pattern } - end - cache[pattern] = parsed - if trace_lparse and not trace_lprofile then - lshow(parsed) - end - end - return parsed - end -end - -xml.lpath = lpath - --- we can move all calls inline and then merge the trace back --- technically we can combine axis and the next nodes which is --- what we did before but this a bit cleaner (but slower too) --- but interesting is that it's not that much faster when we --- go inline --- --- beware: we need to return a collection even when we filter --- else the (simple) cache gets messed up - --- caching found lookups saves not that much (max .1 sec on a 8 sec run) --- and it also messes up finalizers - --- watch out: when there is a finalizer, it's always called as there --- can be cases that a finalizer returns (or does) something in case --- there is no match; an example of this is count() - -local profiled = { } xml.profiled = profiled - -local function profiled_apply(list,parsed,nofparsed,order) - local p = profiled[parsed.pattern] - if p then - p.tested = p.tested + 1 - else - p = { tested = 1, matched = 0, finalized = 0 } - profiled[parsed.pattern] = p - end - local collected = list - for i=1,nofparsed do - local pi = parsed[i] - local kind = pi.kind - if kind == "axis" then - collected = apply_axis[pi.axis](collected) - elseif kind == "nodes" then - collected = apply_nodes(collected,pi.nodetest,pi.nodes) - elseif kind == "expression" then - collected = apply_expression(collected,pi.evaluator,order) - elseif kind == "finalizer" then - collected = pi.finalizer(collected) -- no check on # here - p.matched = p.matched + 1 - p.finalized = p.finalized + 1 - return collected - end - if not collected or #collected == 0 then - local pn = i < nofparsed and parsed[nofparsed] - if pn and pn.kind == "finalizer" then - collected = pn.finalizer(collected) - p.finalized = p.finalized + 1 - return collected - end - return nil - end - end - if collected then - p.matched = p.matched + 1 - end - return collected -end - -local function traced_apply(list,parsed,nofparsed,order) - if trace_lparse then - lshow(parsed) - end - report_lpath("collecting: %s",parsed.pattern) - report_lpath("root tags : %s",tagstostring(list)) - report_lpath("order : %s",order or "unset") - local collected = list - for i=1,nofparsed do - local pi = parsed[i] - local kind = pi.kind - if kind == "axis" then - collected = apply_axis[pi.axis](collected) - report_lpath("% 10i : ax : %s",(collected and #collected) or 0,pi.axis) - elseif kind == "nodes" then - collected = apply_nodes(collected,pi.nodetest,pi.nodes) - report_lpath("% 10i : ns : %s",(collected and #collected) or 0,nodesettostring(pi.nodes,pi.nodetest)) - elseif kind == "expression" then - collected = apply_expression(collected,pi.evaluator,order) - report_lpath("% 10i : ex : %s -> %s",(collected and #collected) or 0,pi.expression,pi.converted) - elseif kind == "finalizer" then - collected = pi.finalizer(collected) - report_lpath("% 10i : fi : %s : %s(%s)",(type(collected) == "table" and #collected) or 0,parsed.protocol or xml.defaultprotocol,pi.name,pi.arguments or "") - return collected - end - if not collected or #collected == 0 then - local pn = i < nofparsed and parsed[nofparsed] - if pn and pn.kind == "finalizer" then - collected = pn.finalizer(collected) - report_lpath("% 10i : fi : %s : %s(%s)",(type(collected) == "table" and #collected) or 0,parsed.protocol or xml.defaultprotocol,pn.name,pn.arguments or "") - return collected - end - return nil - end - end - return collected -end - -local function normal_apply(list,parsed,nofparsed,order) - local collected = list - for i=1,nofparsed do - local pi = parsed[i] - local kind = pi.kind - if kind == "axis" then - local axis = pi.axis - if axis ~= "self" then - collected = apply_axis[axis](collected) - end - elseif kind == "nodes" then - collected = apply_nodes(collected,pi.nodetest,pi.nodes) - elseif kind == "expression" then - collected = apply_expression(collected,pi.evaluator,order) - elseif kind == "finalizer" then - return pi.finalizer(collected) - end - if not collected or #collected == 0 then - local pf = i < nofparsed and parsed[nofparsed].finalizer - if pf then - return pf(collected) -- can be anything - end - return nil - end - end - return collected -end - - -local function applylpath(list,pattern) - if not list then - return - end - local parsed = cache[pattern] - if parsed then - lpathcalls = lpathcalls + 1 - lpathcached = lpathcached + 1 - elseif type(pattern) == "table" then - lpathcalls = lpathcalls + 1 - parsed = pattern - else - parsed = lpath(pattern) or pattern - end - if not parsed then - return - end - local nofparsed = #parsed - if nofparsed == 0 then - return -- something is wrong - end - if not trace_lpath then - return normal_apply ({ list },parsed,nofparsed,list.mi) - elseif trace_lprofile then - return profiled_apply({ list },parsed,nofparsed,list.mi) - else - return traced_apply ({ list },parsed,nofparsed,list.mi) - end -end - -xml.applylpath = applylpath -- takes a table as first argment, which is what xml.filter will do - ---[[ldx-- -<p>This is the main filter function. It returns whatever is asked for.</p> ---ldx]]-- - -function xml.filter(root,pattern) -- no longer funny attribute handling here - return applylpath(root,pattern) -end - --- internal (parsed) - -expressions.child = function(e,pattern) - return applylpath(e,pattern) -- todo: cache -end -expressions.count = function(e,pattern) -- what if pattern == empty or nil - local collected = applylpath(e,pattern) -- todo: cache - return pattern and (collected and #collected) or 0 -end - --- external - -expressions.oneof = function(s,...) -- slow - local t = {...} for i=1,#t do if s == t[i] then return true end end return false -end -expressions.error = function(str) - xml.errorhandler(format("unknown function in lpath expression: %s",tostring(str or "?"))) - return false -end -expressions.undefined = function(s) - return s == nil -end - -expressions.quit = function(s) - if s or s == nil then - quit_expression = true - end - return true -end - -expressions.print = function(...) - print(...) - return true -end - -expressions.contains = find -expressions.find = find -expressions.upper = upper -expressions.lower = lower -expressions.number = tonumber -expressions.boolean = toboolean - -function expressions.contains(str,pattern) - local t = type(str) - if t == "string" then - if find(str,pattern) then - return true - end - elseif t == "table" then - for i=1,#str do - local d = str[i] - if type(d) == "string" and find(d,pattern) then - return true - end - end - end - return false -end - --- user interface - -local function traverse(root,pattern,handle) - report_lpath("use 'xml.selection' instead for '%s'",pattern) - local collected = applylpath(root,pattern) - if collected then - for c=1,#collected do - local e = collected[c] - local r = e.__p__ - handle(r,r.dt,e.ni) - end - end -end - -local function selection(root,pattern,handle) - local collected = applylpath(root,pattern) - if collected then - if handle then - for c=1,#collected do - handle(collected[c]) - end - else - return collected - end - end -end - -xml.traverse = traverse -- old method, r, d, k -xml.selection = selection -- new method, simple handle - - --- generic function finalizer (independant namespace) - -local function dofunction(collected,fnc) - if collected then - local f = functions[fnc] - if f then - for c=1,#collected do - f(collected[c]) - end - else - report_lpath("unknown function '%s'",fnc) - end - end -end - -finalizers.xml["function"] = dofunction -finalizers.tex["function"] = dofunction - --- functions - -expressions.text = function(e,n) - local rdt = e.__p__.dt - return (rdt and rdt[n]) or "" -end - -expressions.name = function(e,n) -- ns + tg - local found = false - n = tonumber(n) or 0 - if n == 0 then - found = type(e) == "table" and e - elseif n < 0 then - local d, k = e.__p__.dt, e.ni - for i=k-1,1,-1 do - local di = d[i] - if type(di) == "table" then - if n == -1 then - found = di - break - else - n = n + 1 - end - end - end - else - local d, k = e.__p__.dt, e.ni - for i=k+1,#d,1 do - local di = d[i] - if type(di) == "table" then - if n == 1 then - found = di - break - else - n = n - 1 - end - end - end - end - if found then - local ns, tg = found.rn or found.ns or "", found.tg - if ns ~= "" then - return ns .. ":" .. tg - else - return tg - end - else - return "" - end -end - -expressions.tag = function(e,n) -- only tg - if not e then - return "" - else - local found = false - n = tonumber(n) or 0 - if n == 0 then - found = (type(e) == "table") and e -- seems to fail - elseif n < 0 then - local d, k = e.__p__.dt, e.ni - for i=k-1,1,-1 do - local di = d[i] - if type(di) == "table" then - if n == -1 then - found = di - break - else - n = n + 1 - end - end - end - else - local d, k = e.__p__.dt, e.ni - for i=k+1,#d,1 do - local di = d[i] - if type(di) == "table" then - if n == 1 then - found = di - break - else - n = n - 1 - end - end - end - end - return (found and found.tg) or "" - end -end - ---[[ldx-- -<p>Often using an iterators looks nicer in the code than passing handler -functions. The <l n='lua'/> book describes how to use coroutines for that -purpose (<url href='http://www.lua.org/pil/9.3.html'/>). This permits -code like:</p> - -<typing> -for r, d, k in xml.elements(xml.load('text.xml'),"title") do - print(d[k]) -- old method -end -for e in xml.collected(xml.load('text.xml'),"title") do - print(e) -- new one -end -</typing> ---ldx]]-- - -local wrap, yield = coroutine.wrap, coroutine.yield - -function xml.elements(root,pattern,reverse) -- r, d, k - local collected = applylpath(root,pattern) - if collected then - if reverse then - return wrap(function() for c=#collected,1,-1 do - local e = collected[c] local r = e.__p__ yield(r,r.dt,e.ni) - end end) - else - return wrap(function() for c=1,#collected do - local e = collected[c] local r = e.__p__ yield(r,r.dt,e.ni) - end end) - end - end - return wrap(function() end) -end - -function xml.collected(root,pattern,reverse) -- e - local collected = applylpath(root,pattern) - if collected then - if reverse then - return wrap(function() for c=#collected,1,-1 do yield(collected[c]) end end) - else - return wrap(function() for c=1,#collected do yield(collected[c]) end end) - end - end - return wrap(function() end) -end - --- handy - -function xml.inspect(collection,pattern) - pattern = pattern or "." - for e in xml.collected(collection,pattern or ".") do - report_lpath("pattern %q\n\n%s\n",pattern,xml.tostring(e)) - end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['lxml-mis'] = { - version = 1.001, - comment = "this module is the basis for the lxml-* ones", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local xml, lpeg, string = xml, lpeg, string - -local concat = table.concat -local type, next, tonumber, tostring, setmetatable, loadstring = type, next, tonumber, tostring, setmetatable, loadstring -local format, gsub, match = string.format, string.gsub, string.match -local lpegmatch, lpegpatterns = lpeg.match, lpeg.patterns -local P, S, R, C, V, Cc, Cs = lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.V, lpeg.Cc, lpeg.Cs - -lpegpatterns.xml = lpegpatterns.xml or { } -local xmlpatterns = lpegpatterns.xml - ---[[ldx-- -<p>The following helper functions best belong to the <t>lxml-ini</t> -module. Some are here because we need then in the <t>mk</t> -document and other manuals, others came up when playing with -this module. Since this module is also used in <l n='mtxrun'/> we've -put them here instead of loading mode modules there then needed.</p> ---ldx]]-- - -local function xmlgsub(t,old,new) -- will be replaced - local dt = t.dt - if dt then - for k=1,#dt do - local v = dt[k] - if type(v) == "string" then - dt[k] = gsub(v,old,new) - else - xmlgsub(v,old,new) - end - end - end -end - - -function xml.stripleadingspaces(dk,d,k) -- cosmetic, for manual - if d and k then - local dkm = d[k-1] - if dkm and type(dkm) == "string" then - local s = match(dkm,"\n(%s+)") - xmlgsub(dk,"\n"..rep(" ",#s),"\n") - end - end -end - - - --- 100 * 2500 * "oeps< oeps> oeps&" : gsub:lpeg|lpeg|lpeg --- --- 1021:0335:0287:0247 - --- 10 * 1000 * "oeps< oeps> oeps& asfjhalskfjh alskfjh alskfjh alskfjh ;al J;LSFDJ" --- --- 1559:0257:0288:0190 (last one suggested by roberto) - --- escaped = Cs((S("<&>") / xml.escapes + 1)^0) --- escaped = Cs((S("<")/"<" + S(">")/">" + S("&")/"&" + 1)^0) -local normal = (1 - S("<&>"))^0 -local special = P("<")/"<" + P(">")/">" + P("&")/"&" -local escaped = Cs(normal * (special * normal)^0) - --- 100 * 1000 * "oeps< oeps> oeps&" : gsub:lpeg == 0153:0280:0151:0080 (last one by roberto) - -local normal = (1 - S"&")^0 -local special = P("<")/"<" + P(">")/">" + P("&")/"&" -local unescaped = Cs(normal * (special * normal)^0) - --- 100 * 5000 * "oeps <oeps bla='oeps' foo='bar'> oeps </oeps> oeps " : gsub:lpeg == 623:501 msec (short tags, less difference) - -local cleansed = Cs(((P("<") * (1-P(">"))^0 * P(">"))/"" + 1)^0) - -xmlpatterns.escaped = escaped -xmlpatterns.unescaped = unescaped -xmlpatterns.cleansed = cleansed - -function xml.escaped (str) return lpegmatch(escaped,str) end -function xml.unescaped(str) return lpegmatch(unescaped,str) end -function xml.cleansed (str) return lpegmatch(cleansed,str) end - --- this might move - -function xml.fillin(root,pattern,str,check) - local e = xml.first(root,pattern) - if e then - local n = #e.dt - if not check or n == 0 or (n == 1 and e.dt[1] == "") then - e.dt = { str } - end - end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['lxml-aux'] = { - version = 1.001, - comment = "this module is the basis for the lxml-* ones", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- not all functions here make sense anymore vbut we keep them for --- compatibility reasons - -local trace_manipulations = false trackers.register("lxml.manipulations", function(v) trace_manipulations = v end) - -local report_xml = logs.reporter("xml") - -local xml = xml - -local xmlconvert, xmlcopy, xmlname = xml.convert, xml.copy, xml.name -local xmlinheritedconvert = xml.inheritedconvert -local xmlapplylpath = xml.applylpath -local xmlfilter = xml.filter - -local type, setmetatable, getmetatable = type, setmetatable, getmetatable -local insert, remove, fastcopy, concat = table.insert, table.remove, table.fastcopy, table.concat -local gmatch, gsub, format = string.gmatch, string.gsub, string.format -local utfbyte = utf.byte - -local function report(what,pattern,c,e) - report_xml("%s element '%s' (root: '%s', position: %s, index: %s, pattern: %s)",what,xmlname(e),xmlname(e.__p__),c,e.ni,pattern) -end - -local function withelements(e,handle,depth) - if e and handle then - local edt = e.dt - if edt then - depth = depth or 0 - for i=1,#edt do - local e = edt[i] - if type(e) == "table" then - handle(e,depth) - withelements(e,handle,depth+1) - end - end - end - end -end - -xml.withelements = withelements - -function xml.withelement(e,n,handle) -- slow - if e and n ~= 0 and handle then - local edt = e.dt - if edt then - if n > 0 then - for i=1,#edt do - local ei = edt[i] - if type(ei) == "table" then - if n == 1 then - handle(ei) - return - else - n = n - 1 - end - end - end - elseif n < 0 then - for i=#edt,1,-1 do - local ei = edt[i] - if type(ei) == "table" then - if n == -1 then - handle(ei) - return - else - n = n + 1 - end - end - end - end - end - end -end - -function xml.each(root,pattern,handle,reverse) - local collected = xmlapplylpath(root,pattern) - if collected then - if reverse then - for c=#collected,1,-1 do - handle(collected[c]) - end - else - for c=1,#collected do - handle(collected[c]) - end - end - return collected - end -end - -function xml.processattributes(root,pattern,handle) - local collected = xmlapplylpath(root,pattern) - if collected and handle then - for c=1,#collected do - handle(collected[c].at) - end - end - return collected -end - ---[[ldx-- -<p>The following functions collect elements and texts.</p> ---ldx]]-- - --- are these still needed -> lxml-cmp.lua - -function xml.collect(root, pattern) - return xmlapplylpath(root,pattern) -end - -function xml.collecttexts(root, pattern, flatten) -- todo: variant with handle - local collected = xmlapplylpath(root,pattern) - if collected and flatten then - local xmltostring = xml.tostring - for c=1,#collected do - collected[c] = xmltostring(collected[c].dt) - end - end - return collected or { } -end - -function xml.collect_tags(root, pattern, nonamespace) - local collected = xmlapplylpath(root,pattern) - if collected then - local t, n = { }, 0 - for c=1,#collected do - local e = collected[c] - local ns, tg = e.ns, e.tg - n = n + 1 - if nonamespace then - t[n] = tg - elseif ns == "" then - t[n] = tg - else - t[n] = ns .. ":" .. tg - end - end - return t - end -end - ---[[ldx-- -<p>We've now arrived at the functions that manipulate the tree.</p> ---ldx]]-- - -local no_root = { no_root = true } - -local function redo_ni(d) - for k=1,#d do - local dk = d[k] - if type(dk) == "table" then - dk.ni = k - end - end -end - -local function xmltoelement(whatever,root) - if not whatever then - return nil - end - local element - if type(whatever) == "string" then - element = xmlinheritedconvert(whatever,root) -- beware, not really a root - else - element = whatever -- we assume a table - end - if element.error then - return whatever -- string - end - if element then - end - return element -end - -xml.toelement = xmltoelement - -local function copiedelement(element,newparent) - if type(element) == "string" then - return element - else - element = xmlcopy(element).dt - if newparent and type(element) == "table" then - element.__p__ = newparent - end - return element - end -end - -function xml.delete(root,pattern) - if not pattern or pattern == "" then - local p = root.__p__ - if p then - if trace_manipulations then - report('deleting',"--",c,root) - end - local d = p.dt - remove(d,root.ni) - redo_ni(d) -- can be made faster and inlined - end - else - local collected = xmlapplylpath(root,pattern) - if collected then - for c=1,#collected do - local e = collected[c] - local p = e.__p__ - if p then - if trace_manipulations then - report('deleting',pattern,c,e) - end - local d = p.dt - remove(d,e.ni) - redo_ni(d) -- can be made faster and inlined - end - end - end - end -end - -function xml.replace(root,pattern,whatever) - local element = root and xmltoelement(whatever,root) - local collected = element and xmlapplylpath(root,pattern) - if collected then - for c=1,#collected do - local e = collected[c] - local p = e.__p__ - if p then - if trace_manipulations then - report('replacing',pattern,c,e) - end - local d = p.dt - d[e.ni] = copiedelement(element,p) - redo_ni(d) -- probably not needed - end - end - end -end - -local function wrap(e,wrapper) - local t = { - rn = e.rn, - tg = e.tg, - ns = e.ns, - at = e.at, - dt = e.dt, - __p__ = e, - } - setmetatable(t,getmetatable(e)) - e.rn = wrapper.rn or e.rn or "" - e.tg = wrapper.tg or e.tg or "" - e.ns = wrapper.ns or e.ns or "" - e.at = fastcopy(wrapper.at) - e.dt = { t } -end - -function xml.wrap(root,pattern,whatever) - if whatever then - local wrapper = xmltoelement(whatever,root) - local collected = xmlapplylpath(root,pattern) - if collected then - for c=1,#collected do - local e = collected[c] - if trace_manipulations then - report('wrapping',pattern,c,e) - end - wrap(e,wrapper) - end - end - else - wrap(root,xmltoelement(pattern)) - end -end - -local function inject_element(root,pattern,whatever,prepend) - local element = root and xmltoelement(whatever,root) - local collected = element and xmlapplylpath(root,pattern) - local function inject_e(e) - local r = e.__p__ - local d, k, rri = r.dt, e.ni, r.ri - local edt = (rri and d[rri].dt) or (d and d[k] and d[k].dt) - if edt then - local be, af - local cp = copiedelement(element,e) - if prepend then - be, af = cp, edt - else - be, af = edt, cp - end - local bn = #be - for i=1,#af do - bn = bn + 1 - be[bn] = af[i] - end - if rri then - r.dt[rri].dt = be - else - d[k].dt = be - end - redo_ni(d) - end - end - if not collected then - -- nothing - elseif collected.tg then - -- first or so - inject_e(collected) - else - for c=1,#collected do - inject_e(collected[c]) - end - end -end - -local function insert_element(root,pattern,whatever,before) -- todo: element als functie - local element = root and xmltoelement(whatever,root) - local collected = element and xmlapplylpath(root,pattern) - local function insert_e(e) - local r = e.__p__ - local d, k = r.dt, e.ni - if not before then - k = k + 1 - end - insert(d,k,copiedelement(element,r)) - redo_ni(d) - end - if not collected then - -- nothing - elseif collected.tg then - -- first or so - insert_e(collected) - else - for c=1,#collected do - insert_e(collected[c]) - end - end -end - -xml.insert_element = insert_element -xml.insertafter = insert_element -xml.insertbefore = function(r,p,e) insert_element(r,p,e,true) end -xml.injectafter = inject_element -xml.injectbefore = function(r,p,e) inject_element(r,p,e,true) end - -local function include(xmldata,pattern,attribute,recursive,loaddata) - -- parse="text" (default: xml), encoding="" (todo) - -- attribute = attribute or 'href' - pattern = pattern or 'include' - loaddata = loaddata or io.loaddata - local collected = xmlapplylpath(xmldata,pattern) - if collected then - for c=1,#collected do - local ek = collected[c] - local name = nil - local ekdt = ek.dt - local ekat = ek.at - local epdt = ek.__p__.dt - if not attribute or attribute == "" then - name = (type(ekdt) == "table" and ekdt[1]) or ekdt -- check, probably always tab or str - end - if not name then - for a in gmatch(attribute or "href","([^|]+)") do - name = ekat[a] - if name then break end - end - end - local data = (name and name ~= "" and loaddata(name)) or "" - if data == "" then - epdt[ek.ni] = "" -- xml.empty(d,k) - elseif ekat["parse"] == "text" then - -- for the moment hard coded - epdt[ek.ni] = xml.escaped(data) -- d[k] = xml.escaped(data) - else - local xi = xmlinheritedconvert(data,xmldata) - if not xi then - epdt[ek.ni] = "" -- xml.empty(d,k) - else - if recursive then - include(xi,pattern,attribute,recursive,loaddata) - end - epdt[ek.ni] = xml.body(xi) -- xml.assign(d,k,xi) - end - end - end - end -end - -xml.include = include - -local function stripelement(e,nolines,anywhere) - local edt = e.dt - if edt then - if anywhere then - local t, n = { }, 0 - for e=1,#edt do - local str = edt[e] - if type(str) ~= "string" then - n = n + 1 - t[n] = str - elseif str ~= "" then - -- todo: lpeg for each case - if nolines then - str = gsub(str,"%s+"," ") - end - str = gsub(str,"^%s*(.-)%s*$","%1") - if str ~= "" then - n = n + 1 - t[n] = str - end - end - end - e.dt = t - else - -- we can assume a regular sparse xml table with no successive strings - -- otherwise we should use a while loop - if #edt > 0 then - -- strip front - local str = edt[1] - if type(str) ~= "string" then - -- nothing - elseif str == "" then - remove(edt,1) - else - if nolines then - str = gsub(str,"%s+"," ") - end - str = gsub(str,"^%s+","") - if str == "" then - remove(edt,1) - else - edt[1] = str - end - end - end - local nedt = #edt - if nedt > 0 then - -- strip end - local str = edt[nedt] - if type(str) ~= "string" then - -- nothing - elseif str == "" then - remove(edt) - else - if nolines then - str = gsub(str,"%s+"," ") - end - str = gsub(str,"%s+$","") - if str == "" then - remove(edt) - else - edt[nedt] = str - end - end - end - end - end - return e -- convenient -end - -xml.stripelement = stripelement - -function xml.strip(root,pattern,nolines,anywhere) -- strips all leading and trailing spacing - local collected = xmlapplylpath(root,pattern) -- beware, indices no longer are valid now - if collected then - for i=1,#collected do - stripelement(collected[i],nolines,anywhere) - end - end -end - -local function renamespace(root, oldspace, newspace) -- fast variant - local ndt = #root.dt - for i=1,ndt or 0 do - local e = root[i] - if type(e) == "table" then - if e.ns == oldspace then - e.ns = newspace - if e.rn then - e.rn = newspace - end - end - local edt = e.dt - if edt then - renamespace(edt, oldspace, newspace) - end - end - end -end - -xml.renamespace = renamespace - -function xml.remaptag(root, pattern, newtg) - local collected = xmlapplylpath(root,pattern) - if collected then - for c=1,#collected do - collected[c].tg = newtg - end - end -end - -function xml.remapnamespace(root, pattern, newns) - local collected = xmlapplylpath(root,pattern) - if collected then - for c=1,#collected do - collected[c].ns = newns - end - end -end - -function xml.checknamespace(root, pattern, newns) - local collected = xmlapplylpath(root,pattern) - if collected then - for c=1,#collected do - local e = collected[c] - if (not e.rn or e.rn == "") and e.ns == "" then - e.rn = newns - end - end - end -end - -function xml.remapname(root, pattern, newtg, newns, newrn) - local collected = xmlapplylpath(root,pattern) - if collected then - for c=1,#collected do - local e = collected[c] - e.tg, e.ns, e.rn = newtg, newns, newrn - end - end -end - ---[[ldx-- -<p>Helper (for q2p).</p> ---ldx]]-- - -function xml.cdatatotext(e) - local dt = e.dt - if #dt == 1 then - local first = dt[1] - if first.tg == "@cd@" then - e.dt = first.dt - end - else - -- maybe option - end -end - -xml.builtinentities = table.tohash { "amp", "quot", "apos", "lt", "gt" } -- used often so share - -local entities = characters and characters.entities or nil -local builtinentities = xml.builtinentities - -function xml.addentitiesdoctype(root,option) -- we could also have a 'resolve' i.e. inline hex - if not entities then - require("char-ent") - entities = characters.entities - end - if entities and root and root.tg == "@rt@" and root.statistics then - local list = { } - local hexify = option == "hexadecimal" - for k, v in table.sortedhash(root.statistics.entities.names) do - if not builtinentities[k] then - local e = entities[k] - if not e then - e = format("[%s]",k) - elseif hexify then - e = format("&#%05X;",utfbyte(k)) - end - list[#list+1] = format(" <!ENTITY %s %q >",k,e) - end - end - local dt = root.dt - local n = dt[1].tg == "@pi@" and 2 or 1 - if #list > 0 then - insert(dt, n, { "\n" }) - insert(dt, n, { - tg = "@dt@", -- beware, doctype is unparsed - dt = { format("Something [\n%s\n] ",concat(list)) }, - ns = "", - special = true, - }) - insert(dt, n, { "\n\n" }) - else - -- insert(dt, n, { table.serialize(root.statistics) }) - end - end -end - --- local str = [==[ --- <?xml version='1.0' standalone='yes' ?> --- <root> --- <a>test test { test</a> --- <b><![CDATA[oeps]]></b> --- </root> --- ]==] --- --- local x = xml.convert(str) --- xml.addentitiesdoctype(x,"hexadecimal") --- print(x) - ---[[ldx-- -<p>Here are a few synonyms.</p> ---ldx]]-- - -xml.all = xml.each -xml.insert = xml.insertafter -xml.inject = xml.injectafter -xml.after = xml.insertafter -xml.before = xml.insertbefore -xml.process = xml.each - --- obsolete - -xml.obsolete = xml.obsolete or { } -local obsolete = xml.obsolete - -xml.strip_whitespace = xml.strip obsolete.strip_whitespace = xml.strip -xml.collect_elements = xml.collect obsolete.collect_elements = xml.collect -xml.delete_element = xml.delete obsolete.delete_element = xml.delete -xml.replace_element = xml.replace obsolete.replace_element = xml.replacet -xml.each_element = xml.each obsolete.each_element = xml.each -xml.process_elements = xml.process obsolete.process_elements = xml.process -xml.insert_element_after = xml.insertafter obsolete.insert_element_after = xml.insertafter -xml.insert_element_before = xml.insertbefore obsolete.insert_element_before = xml.insertbefore -xml.inject_element_after = xml.injectafter obsolete.inject_element_after = xml.injectafter -xml.inject_element_before = xml.injectbefore obsolete.inject_element_before = xml.injectbefore -xml.process_attributes = xml.processattributes obsolete.process_attributes = xml.processattributes -xml.collect_texts = xml.collecttexts obsolete.collect_texts = xml.collecttexts -xml.inject_element = xml.inject obsolete.inject_element = xml.inject -xml.remap_tag = xml.remaptag obsolete.remap_tag = xml.remaptag -xml.remap_name = xml.remapname obsolete.remap_name = xml.remapname -xml.remap_namespace = xml.remapnamespace obsolete.remap_namespace = xml.remapnamespace - --- new (probably ok) - -function xml.cdata(e) - if e then - local dt = e.dt - if dt and #dt == 1 then - local first = dt[1] - return first.tg == "@cd@" and first.dt[1] or "" - end - end - return "" -end - -function xml.finalizers.xml.cdata(collected) - if collected then - local e = collected[1] - if e then - local dt = e.dt - if dt and #dt == 1 then - local first = dt[1] - return first.tg == "@cd@" and first.dt[1] or "" - end - end - end - return "" -end - -function xml.insertcomment(e,str,n) -- also insertcdata - table.insert(e.dt,n or 1,{ - tg = "@cm@", - ns = "", - special = true, - at = { }, - dt = { str }, - }) -end - -function xml.setcdata(e,str) -- also setcomment - e.dt = { { - tg = "@cd@", - ns = "", - special = true, - at = { }, - dt = { str }, - } } -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['lxml-xml'] = { - version = 1.001, - comment = "this module is the basis for the lxml-* ones", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local concat = table.concat -local find = string.find - -local xml = xml - -local finalizers = xml.finalizers.xml -local xmlfilter = xml.filter -- we could inline this one for speed -local xmltostring = xml.tostring -local xmlserialize = xml.serialize -local xmlcollected = xml.collected -local xmlnewhandlers = xml.newhandlers - -local function first(collected) -- wrong ? - return collected and collected[1] -end - -local function last(collected) - return collected and collected[#collected] -end - -local function all(collected) - return collected -end - --- local function reverse(collected) --- if collected then --- local nc = #collected --- if nc > 0 then --- local reversed, r = { }, 0 --- for c=nc,1,-1 do --- r = r + 1 --- reversed[r] = collected[c] --- end --- return reversed --- else --- return collected --- end --- end --- end - -local reverse = table.reversed - -local function attribute(collected,name) - if collected and #collected > 0 then - local at = collected[1].at - return at and at[name] - end -end - -local function att(id,name) - local at = id.at - return at and at[name] -end - -local function count(collected) - return collected and #collected or 0 -end - -local function position(collected,n) - if not collected then - return 0 - end - local nc = #collected - if nc == 0 then - return 0 - end - n = tonumber(n) or 0 - if n < 0 then - return collected[nc + n + 1] - elseif n > 0 then - return collected[n] - else - return collected[1].mi or 0 - end -end - -local function match(collected) - return collected and #collected > 0 and collected[1].mi or 0 -- match -end - -local function index(collected) - return collected and #collected > 0 and collected[1].ni or 0 -- 0 is new -end - -local function attributes(collected,arguments) - if collected and #collected > 0 then - local at = collected[1].at - if arguments then - return at[arguments] - elseif next(at) then - return at -- all of them - end - end -end - -local function chainattribute(collected,arguments) -- todo: optional levels - if collected and #collected > 0 then - local e = collected[1] - while e do - local at = e.at - if at then - local a = at[arguments] - if a then - return a - end - else - break -- error - end - e = e.__p__ - end - end - return "" -end - -local function raw(collected) -- hybrid (not much different from text so it might go) - if collected and #collected > 0 then - local e = collected[1] or collected - return e and xmltostring(e) or "" -- only first as we cannot concat function - else - return "" - end -end - --- - -local xmltexthandler = xmlnewhandlers { - name = "string", - initialize = function() - result = { } - return result - end, - finalize = function() - return concat(result) - end, - handle = function(...) - result[#result+1] = concat { ... } - end, - escape = false, -} - -local function xmltotext(root) - local dt = root.dt - if not dt then - return "" - end - local nt = #dt -- string or table - if nt == 0 then - return "" - elseif nt == 1 and type(dt[1]) == "string" then - return dt[1] -- no escaping of " ' < > & - else - return xmlserialize(root,xmltexthandler) or "" - end -end - --- - -local function text(collected) -- hybrid - if collected then -- no # test here ! - local e = collected[1] or collected -- why fallback to element, how about cdata - return e and xmltotext(e) or "" - else - return "" - end -end - -local function texts(collected) - if not collected then - return { } -- why no nil - end - local nc = #collected - if nc == 0 then - return { } -- why no nil - end - local t, n = { }, 0 - for c=1,nc do - local e = collected[c] - if e and e.dt then - n = n + 1 - t[n] = e.dt - end - end - return t -end - -local function tag(collected,n) - if not collected then - return - end - local nc = #collected - if nc == 0 then - return - end - local c - if n == 0 or not n then - c = collected[1] - elseif n > 1 then - c = collected[n] - else - c = collected[nc-n+1] - end - return c and c.tg -end - -local function name(collected,n) - if not collected then - return - end - local nc = #collected - if nc == 0 then - return - end - local c - if n == 0 or not n then - c = collected[1] - elseif n > 1 then - c = collected[n] - else - c = collected[nc-n+1] - end - if not c then - -- sorry - elseif c.ns == "" then - return c.tg - else - return c.ns .. ":" .. c.tg - end -end - -local function tags(collected,nonamespace) - if not collected then - return - end - local nc = #collected - if nc == 0 then - return - end - local t, n = { }, 0 - for c=1,nc do - local e = collected[c] - local ns, tg = e.ns, e.tg - n = n + 1 - if nonamespace or ns == "" then - t[n] = tg - else - t[n] = ns .. ":" .. tg - end - end - return t -end - -local function empty(collected,spacesonly) - if not collected then - return true - end - local nc = #collected - if nc == 0 then - return true - end - for c=1,nc do - local e = collected[c] - if e then - local edt = e.dt - if edt then - local n = #edt - if n == 1 then - local edk = edt[1] - local typ = type(edk) - if typ == "table" then - return false - elseif edk ~= "" then - return false - elseif spacesonly and not find(edk,"%S") then - return false - end - elseif n > 1 then - return false - end - end - end - end - return true -end - -finalizers.first = first -finalizers.last = last -finalizers.all = all -finalizers.reverse = reverse -finalizers.elements = all -finalizers.default = all -finalizers.attribute = attribute -finalizers.att = att -finalizers.count = count -finalizers.position = position -finalizers.match = match -finalizers.index = index -finalizers.attributes = attributes -finalizers.chainattribute = chainattribute -finalizers.text = text -finalizers.texts = texts -finalizers.tag = tag -finalizers.name = name -finalizers.tags = tags -finalizers.empty = empty - --- shortcuts -- we could support xmlfilter(id,pattern,first) - -function xml.first(id,pattern) - return first(xmlfilter(id,pattern)) -end - -function xml.last(id,pattern) - return last(xmlfilter(id,pattern)) -end - -function xml.count(id,pattern) - return count(xmlfilter(id,pattern)) -end - -function xml.attribute(id,pattern,a,default) - return attribute(xmlfilter(id,pattern),a,default) -end - -function xml.raw(id,pattern) - if pattern then - return raw(xmlfilter(id,pattern)) - else - return raw(id) - end -end - -function xml.text(id,pattern) -- brrr either content or element (when cdata) - if pattern then - -- return text(xmlfilter(id,pattern)) - local collected = xmlfilter(id,pattern) - return collected and #collected > 0 and xmltotext(collected[1]) or "" - elseif id then - -- return text(id) - return xmltotext(id) or "" - else - return "" - end -end - -xml.content = text - --- - -function xml.position(id,pattern,n) -- element - return position(xmlfilter(id,pattern),n) -end - -function xml.match(id,pattern) -- number - return match(xmlfilter(id,pattern)) -end - -function xml.empty(id,pattern,spacesonly) - return empty(xmlfilter(id,pattern),spacesonly) -end - -xml.all = xml.filter -xml.index = xml.position -xml.found = xml.filter - --- a nice one: - -local function totable(x) - local t = { } - for e in xmlcollected(x[1] or x,"/*") do - t[e.tg] = xmltostring(e.dt) or "" - end - return next(t) and t or nil -end - -xml.table = totable -finalizers.table = totable - -local function textonly(e,t) - if e then - local edt = e.dt - if edt then - for i=1,#edt do - local e = edt[i] - if type(e) == "table" then - textonly(e,t) - else - t[#t+1] = e - end - end - end - end - return t -end - -function xml.textonly(e) -- no pattern - return concat(textonly(e,{})) -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-ini'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files", -} - -local gsub, find, gmatch, char = string.gsub, string.find, string.gmatch, string.char -local concat = table.concat -local next, type = next, type - -local filedirname, filebasename, fileextname, filejoin = file.dirname, file.basename, file.extname, file.join - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) -local trace_detail = false trackers.register("resolvers.details", function(v) trace_detail = v end) -local trace_expansions = false trackers.register("resolvers.expansions", function(v) trace_expansions = v end) - -local report_initialization = logs.reporter("resolvers","initialization") - -local ostype, osname, ossetenv, osgetenv = os.type, os.name, os.setenv, os.getenv - --- The code here used to be part of a data-res but for convenience --- we now split it over multiple files. As this file is now the --- starting point we introduce resolvers here. - -resolvers = resolvers or { } -local resolvers = resolvers - --- We don't want the kpse library to kick in. Also, we want to be able to --- execute programs. Control over execution is implemented later. - -texconfig.kpse_init = false -texconfig.shell_escape = 't' - -kpse = { original = kpse } - -setmetatable(kpse, { - __index = function(kp,name) - report_initialization("fatal error: kpse library is accessed (key: %s)",name) - os.exit() - end -} ) - --- First we check a couple of environment variables. Some might be --- set already but we need then later on. We start with the system --- font path. - -do - - local osfontdir = osgetenv("OSFONTDIR") - - if osfontdir and osfontdir ~= "" then - -- ok - elseif osname == "windows" then - ossetenv("OSFONTDIR","c:/windows/fonts//") - elseif osname == "macosx" then - ossetenv("OSFONTDIR","$HOME/Library/Fonts//;/Library/Fonts//;/System/Library/Fonts//") - end - -end - --- Next comes the user's home path. We need this as later on we have --- to replace ~ with its value. - -do - - local homedir = osgetenv(ostype == "windows" and 'USERPROFILE' or 'HOME') or '' - - if not homedir or homedir == "" then - homedir = char(127) -- we need a value, later we wil trigger on it - end - - homedir = file.collapsepath(homedir) - - ossetenv("HOME", homedir) -- can be used in unix cnf files - ossetenv("USERPROFILE",homedir) -- can be used in windows cnf files - - environment.homedir = homedir - -end - --- The following code sets the name of the own binary and its --- path. This is fallback code as we have os.selfdir now. - -do - - local args = environment.originalarguments or arg -- this needs a cleanup - - local ownbin = environment.ownbin or args[-2] or arg[-2] or args[-1] or arg[-1] or arg[0] or "luatex" - local ownpath = environment.ownpath or os.selfdir - - ownbin = file.collapsepath(ownbin) - ownpath = file.collapsepath(ownpath) - - if not ownpath or ownpath == "" or ownpath == "unset" then - ownpath = args[-1] or arg[-1] - ownpath = ownpath and filedirname(gsub(ownpath,"\\","/")) - if not ownpath or ownpath == "" then - ownpath = args[-0] or arg[-0] - ownpath = ownpath and filedirname(gsub(ownpath,"\\","/")) - end - local binary = ownbin - if not ownpath or ownpath == "" then - ownpath = ownpath and filedirname(binary) - end - if not ownpath or ownpath == "" then - if os.binsuffix ~= "" then - binary = file.replacesuffix(binary,os.binsuffix) - end - local path = osgetenv("PATH") - if path then - for p in gmatch(path,"[^"..io.pathseparator.."]+") do - local b = filejoin(p,binary) - if lfs.isfile(b) then - -- we assume that after changing to the path the currentdir function - -- resolves to the real location and use this side effect here; this - -- trick is needed because on the mac installations use symlinks in the - -- path instead of real locations - local olddir = lfs.currentdir() - if lfs.chdir(p) then - local pp = lfs.currentdir() - if trace_locating and p ~= pp then - report_initialization("following symlink '%s' to '%s'",p,pp) - end - ownpath = pp - lfs.chdir(olddir) - else - if trace_locating then - report_initialization("unable to check path '%s'",p) - end - ownpath = p - end - break - end - end - end - end - if not ownpath or ownpath == "" then - ownpath = "." - report_initialization("forcing fallback ownpath .") - elseif trace_locating then - report_initialization("using ownpath '%s'",ownpath) - end - end - - environment.ownbin = ownbin - environment.ownpath = ownpath - -end - -resolvers.ownpath = environment.ownpath - -function resolvers.getownpath() - return environment.ownpath -end - --- The self variables permit us to use only a few (or even no) --- environment variables. - -do - - local ownpath = environment.ownpath or dir.current() - - if ownpath then - ossetenv('SELFAUTOLOC', file.collapsepath(ownpath)) - ossetenv('SELFAUTODIR', file.collapsepath(ownpath .. "/..")) - ossetenv('SELFAUTOPARENT', file.collapsepath(ownpath .. "/../..")) - else - report_initialization("error: unable to locate ownpath") - os.exit() - end - -end - --- The running os: - --- todo: check is context sits here os.platform is more trustworthy --- that the bin check as mtx-update runs from another path - -local texos = environment.texos or osgetenv("TEXOS") -local texmfos = environment.texmfos or osgetenv('SELFAUTODIR') - -if not texos or texos == "" then - texos = file.basename(texmfos) -end - -ossetenv('TEXMFOS', texmfos) -- full bin path -ossetenv('TEXOS', texos) -- partial bin parent -ossetenv('SELFAUTOSYSTEM',os.platform) -- bonus - -environment.texos = texos -environment.texmfos = texmfos - --- The current root: - -local texroot = environment.texroot or osgetenv("TEXROOT") - -if not texroot or texroot == "" then - texroot = osgetenv('SELFAUTOPARENT') - ossetenv('TEXROOT',texroot) -end - -environment.texroot = file.collapsepath(texroot) - --- Tracing. Todo ... - -function resolvers.settrace(n) -- no longer number but: 'locating' or 'detail' - if n then - trackers.disable("resolvers.*") - trackers.enable("resolvers."..n) - end -end - -resolvers.settrace(osgetenv("MTX_INPUT_TRACE")) - --- todo: - --- if profiler and osgetenv("MTX_PROFILE_RUN") == "YES" then --- profiler.start("luatex-profile.log") --- end - --- a forward definition - -if not resolvers.resolve then - function resolvers.resolve (s) return s end - function resolvers.unresolve(s) return s end - function resolvers.repath (s) return s end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-exp'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files", -} - -local format, find, gmatch, lower, char, sub = string.format, string.find, string.gmatch, string.lower, string.char, string.sub -local concat, sort = table.concat, table.sort -local lpegmatch, lpegpatterns = lpeg.match, lpeg.patterns -local Ct, Cs, Cc, P, C, S = lpeg.Ct, lpeg.Cs, lpeg.Cc, lpeg.P, lpeg.C, lpeg.S -local type, next = type, next - -local ostype = os.type -local collapsepath = file.collapsepath - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) -local trace_expansions = false trackers.register("resolvers.expansions", function(v) trace_expansions = v end) - -local report_expansions = logs.reporter("resolvers","expansions") - -local resolvers = resolvers - --- As this bit of code is somewhat special it gets its own module. After --- all, when working on the main resolver code, I don't want to scroll --- past this every time. See data-obs.lua for the gsub variant. - -local function f_first(a,b) - local t, n = { }, 0 - for s in gmatch(b,"[^,]+") do - n = n + 1 ; t[n] = a .. s - end - return concat(t,",") -end - -local function f_second(a,b) - local t, n = { }, 0 - for s in gmatch(a,"[^,]+") do - n = n + 1 ; t[n] = s .. b - end - return concat(t,",") -end - -local function f_both(a,b) - local t, n = { }, 0 - for sa in gmatch(a,"[^,]+") do - for sb in gmatch(b,"[^,]+") do - n = n + 1 ; t[n] = sa .. sb - end - end - return concat(t,",") -end - -local left = P("{") -local right = P("}") -local var = P((1 - S("{}" ))^0) -local set = P((1 - S("{},"))^0) -local other = P(1) - -local l_first = Cs( ( Cc("{") * (C(set) * left * C(var) * right / f_first) * Cc("}") + other )^0 ) -local l_second = Cs( ( Cc("{") * (left * C(var) * right * C(set) / f_second) * Cc("}") + other )^0 ) -local l_both = Cs( ( Cc("{") * (left * C(var) * right * left * C(var) * right / f_both) * Cc("}") + other )^0 ) -local l_rest = Cs( ( left * var * (left/"") * var * (right/"") * var * right + other )^0 ) - -local stripper_1 = lpeg.stripper ("{}@") -local replacer_1 = lpeg.replacer { { ",}", ",@}" }, { "{,", "{@," }, } - -local function splitpathexpr(str, newlist, validate) -- I couldn't resist lpegging it (nice exercise). - if trace_expansions then - report_expansions("expanding variable '%s'",str) - end - local t, ok, done = newlist or { }, false, false - local n = #t - str = lpegmatch(replacer_1,str) - repeat local old = str - repeat local old = str ; str = lpegmatch(l_first, str) until old == str - repeat local old = str ; str = lpegmatch(l_second,str) until old == str - repeat local old = str ; str = lpegmatch(l_both, str) until old == str - repeat local old = str ; str = lpegmatch(l_rest, str) until old == str - until old == str -- or not find(str,"{") - str = lpegmatch(stripper_1,str) - if validate then - for s in gmatch(str,"[^,]+") do - s = validate(s) - if s then - n = n + 1 ; t[n] = s - end - end - else - for s in gmatch(str,"[^,]+") do - n = n + 1 ; t[n] = s - end - end - if trace_expansions then - for k=1,#t do - report_expansions("% 4i: %s",k,t[k]) - end - end - return t -end - --- We could make the previous one public. - -local function validate(s) - s = collapsepath(s) -- already keeps the // - return s ~= "" and not find(s,"^!*unset/*$") and s -end - -resolvers.validatedpath = validate -- keeps the trailing // - -function resolvers.expandedpathfromlist(pathlist) - local newlist = { } - for k=1,#pathlist do - splitpathexpr(pathlist[k],newlist,validate) - end - return newlist -end - --- {a,b,c,d} --- a,b,c/{p,q,r},d --- a,b,c/{p,q,r}/d/{x,y,z}// --- a,b,c/{p,q/{x,y,z},r},d/{p,q,r} --- a,b,c/{p,q/{x,y,z},r},d/{p,q,r} --- a{b,c}{d,e}f --- {a,b,c,d} --- {a,b,c/{p,q,r},d} --- {a,b,c/{p,q,r}/d/{x,y,z}//} --- {a,b,c/{p,q/{x,y,z}},d/{p,q,r}} --- {a,b,c/{p,q/{x,y,z},w}v,d/{p,q,r}} --- {$SELFAUTODIR,$SELFAUTOPARENT}{,{/share,}/texmf{-local,.local,}/web2c} - -local cleanup = lpeg.replacer { - { "!" , "" }, - { "\\" , "/" }, -} - -function resolvers.cleanpath(str) -- tricky, maybe only simple paths - local doslashes = (P("\\")/"/" + 1)^0 - local donegation = (P("!") /"" )^0 - local homedir = lpegmatch(Cs(donegation * doslashes),environment.homedir or "") - if homedir == "~" or homedir == "" or not lfs.isdir(homedir) then - if trace_expansions then - report_expansions("no home dir set, ignoring dependent paths") - end - function resolvers.cleanpath(str) - if not str or find(str,"~") then - return "" -- special case - else - return lpegmatch(cleanup,str) - end - end - else - local dohome = ((P("~")+P("$HOME"))/homedir)^0 - local cleanup = Cs(donegation * dohome * doslashes) - function resolvers.cleanpath(str) - return str and lpegmatch(cleanup,str) or "" - end - end - return resolvers.cleanpath(str) -end - --- print(resolvers.cleanpath("")) --- print(resolvers.cleanpath("!")) --- print(resolvers.cleanpath("~")) --- print(resolvers.cleanpath("~/test")) --- print(resolvers.cleanpath("!~/test")) --- print(resolvers.cleanpath("~/test~test")) - --- This one strips quotes and funny tokens. - -local expandhome = P("~") / "$HOME" -- environment.homedir - -local dodouble = P('"')/"" * (expandhome + (1 - P('"')))^0 * P('"')/"" -local dosingle = P("'")/"" * (expandhome + (1 - P("'")))^0 * P("'")/"" -local dostring = (expandhome + 1 )^0 - -local stripper = Cs( - lpegpatterns.unspacer * (dosingle + dodouble + dostring) * lpegpatterns.unspacer -) - -function resolvers.checkedvariable(str) -- assumes str is a string - return lpegmatch(stripper,str) or str -end - --- The path splitter: - --- A config (optionally) has the paths split in tables. Internally --- we join them and split them after the expansion has taken place. This --- is more convenient. - -local cache = { } - ------ splitter = lpeg.tsplitat(S(ostype == "windows" and ";" or ":;")) -- maybe add , -local splitter = lpeg.tsplitat(";") -- as we move towards urls, prefixes and use tables we no longer do : - -local backslashswapper = lpeg.replacer("\\","/") - -local function splitconfigurationpath(str) -- beware, this can be either a path or a { specification } - if str then - local found = cache[str] - if not found then - if str == "" then - found = { } - else - local split = lpegmatch(splitter,lpegmatch(backslashswapper,str)) -- can be combined - found = { } - local noffound = 0 - for i=1,#split do - local s = split[i] - if not find(s,"^{*unset}*") then - noffound = noffound + 1 - found[noffound] = s - end - end - if trace_expansions then - report_expansions("splitting path specification '%s'",str) - for k=1,noffound do - report_expansions("% 4i: %s",k,found[k]) - end - end - cache[str] = found - end - end - return found - end -end - -resolvers.splitconfigurationpath = splitconfigurationpath - -function resolvers.splitpath(str) - if type(str) == 'table' then - return str - else - return splitconfigurationpath(str) - end -end - -function resolvers.joinpath(str) - if type(str) == 'table' then - return file.joinpath(str) - else - return str - end -end - --- The next function scans directories and returns a hash where the --- entries are either strings or tables. - --- starting with . or .. etc or funny char - - - - --- a lot of this caching can be stripped away when we have ssd's everywhere --- --- we could cache all the (sub)paths here if needed - -local attributes, directory = lfs.attributes, lfs.dir - -local weird = P(".")^1 + lpeg.anywhere(S("~`!#$%^&*()={}[]:;\"\'||<>,?\n\r\t")) -local timer = { } -local scanned = { } -local nofscans = 0 -local scancache = { } - -local function scan(files,spec,path,n,m,r) - local full = (path == "" and spec) or (spec .. path .. '/') - local dirs = { } - local nofdirs = 0 - for name in directory(full) do - if not lpegmatch(weird,name) then - local mode = attributes(full..name,'mode') - if mode == 'file' then - n = n + 1 - local f = files[name] - if f then - if type(f) == 'string' then - files[name] = { f, path } - else - f[#f+1] = path - end - else -- probably unique anyway - files[name] = path - local lower = lower(name) - if name ~= lower then - files["remap:"..lower] = name - r = r + 1 - end - end - elseif mode == 'directory' then - m = m + 1 - nofdirs = nofdirs + 1 - if path ~= "" then - dirs[nofdirs] = path..'/'..name - else - dirs[nofdirs] = name - end - end - end - end - if nofdirs > 0 then - sort(dirs) - for i=1,nofdirs do - files, n, m, r = scan(files,spec,dirs[i],n,m,r) - end - end - scancache[sub(full,1,-2)] = files - return files, n, m, r -end - -local fullcache = { } - -function resolvers.scanfiles(path,branch,usecache) - statistics.starttiming(timer) - local realpath = resolvers.resolve(path) -- no shortcut - if usecache then - local files = fullcache[realpath] - if files then - if trace_locating then - report_expansions("using caches scan of path '%s', branch '%s'",path,branch or path) - end - return files - end - end - if trace_locating then - report_expansions("scanning path '%s', branch '%s'",path,branch or path) - end - local files, n, m, r = scan({ },realpath .. '/',"",0,0,0) - files.__path__ = path -- can be selfautoparent:texmf-whatever - files.__files__ = n - files.__directories__ = m - files.__remappings__ = r - if trace_locating then - report_expansions("%s files found on %s directories with %s uppercase remappings",n,m,r) - end - if usecache then - scanned[#scanned+1] = realpath - fullcache[realpath] = files - end - nofscans = nofscans + 1 - statistics.stoptiming(timer) - return files -end - -local function simplescan(files,spec,path) -- first match only, no map and such - local full = (path == "" and spec) or (spec .. path .. '/') - local dirs = { } - local nofdirs = 0 - for name in directory(full) do - if not lpegmatch(weird,name) then - local mode = attributes(full..name,'mode') - if mode == 'file' then - if not files[name] then - -- only first match - files[name] = path - end - elseif mode == 'directory' then - nofdirs = nofdirs + 1 - if path ~= "" then - dirs[nofdirs] = path..'/'..name - else - dirs[nofdirs] = name - end - end - end - end - if nofdirs > 0 then - sort(dirs) - for i=1,nofdirs do - files = simplescan(files,spec,dirs[i]) - end - end - return files -end - -local simplecache = { } -local nofsharedscans = 0 - -function resolvers.simplescanfiles(path,branch,usecache) - statistics.starttiming(timer) - local realpath = resolvers.resolve(path) -- no shortcut - if usecache then - local files = simplecache[realpath] - if not files then - files = scancache[realpath] - if files then - nofsharedscans = nofsharedscans + 1 - end - end - if files then - if trace_locating then - report_expansions("using caches scan of path '%s', branch '%s'",path,branch or path) - end - return files - end - end - if trace_locating then - report_expansions("scanning path '%s', branch '%s'",path,branch or path) - end - local files = simplescan({ },realpath .. '/',"") - if trace_locating then - report_expansions("%s files found",table.count(files)) - end - if usecache then - scanned[#scanned+1] = realpath - simplecache[realpath] = files - end - nofscans = nofscans + 1 - statistics.stoptiming(timer) - return files -end - -function resolvers.scandata() - table.sort(scanned) - return { - n = nofscans, - shared = nofsharedscans, - time = statistics.elapsedtime(timer), - paths = scanned, - } -end - - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-env'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files", -} - -local lower, gsub = string.lower, string.gsub - -local resolvers = resolvers - -local allocate = utilities.storage.allocate -local setmetatableindex = table.setmetatableindex -local fileextname = file.extname - -local formats = allocate() -local suffixes = allocate() -local dangerous = allocate() -local suffixmap = allocate() - -resolvers.formats = formats -resolvers.suffixes = suffixes -resolvers.dangerous = dangerous -resolvers.suffixmap = suffixmap - -local relations = allocate { -- todo: handlers also here - core = { - ofm = { -- will become obsolete - names = { "ofm", "omega font metric", "omega font metrics" }, - variable = 'OFMFONTS', - suffixes = { 'ofm', 'tfm' }, - }, - ovf = { -- will become obsolete - names = { "ovf", "omega virtual font", "omega virtual fonts" }, - variable = 'OVFFONTS', - suffixes = { 'ovf', 'vf' }, - }, - tfm = { - names = { "tfm", "tex font metric", "tex font metrics" }, - variable = 'TFMFONTS', - suffixes = { 'tfm' }, - }, - vf = { - names = { "vf", "virtual font", "virtual fonts" }, - variable = 'VFFONTS', - suffixes = { 'vf' }, - }, - otf = { - names = { "otf", "opentype", "opentype font", "opentype fonts"}, - variable = 'OPENTYPEFONTS', - suffixes = { 'otf' }, - }, - ttf = { - names = { "ttf", "truetype", "truetype font", "truetype fonts", "truetype collection", "truetype collections", "truetype dictionary", "truetype dictionaries" }, - variable = 'TTFONTS', - suffixes = { 'ttf', 'ttc', 'dfont' }, - }, - afm = { - names = { "afm", "adobe font metric", "adobe font metrics" }, - variable = "AFMFONTS", - suffixes = { "afm" }, - }, - pfb = { - names = { "pfb", "type1", "type 1", "type1 font", "type 1 font", "type1 fonts", "type 1 fonts" }, - variable = 'T1FONTS', - suffixes = { 'pfb', 'pfa' }, - }, - fea = { - names = { "fea", "font feature", "font features", "font feature file", "font feature files" }, - variable = 'FONTFEATURES', - suffixes = { 'fea' }, - }, - cid = { - names = { "cid", "cid map", "cid maps", "cid file", "cid files" }, - variable = 'FONTCIDMAPS', - suffixes = { 'cid', 'cidmap' }, - }, - fmt = { - names = { "fmt", "format", "tex format" }, - variable = 'TEXFORMATS', - suffixes = { 'fmt' }, - }, - mem = { -- will become obsolete - names = { 'mem', "metapost format" }, - variable = 'MPMEMS', - suffixes = { 'mem' }, - }, - mp = { - names = { "mp" }, - variable = 'MPINPUTS', - suffixes = { 'mp', 'mpvi', 'mpiv', 'mpii' }, - }, - tex = { - names = { "tex" }, - variable = 'TEXINPUTS', - suffixes = { 'tex', "mkvi", "mkiv", "mkii" }, - }, - icc = { - names = { "icc", "icc profile", "icc profiles" }, - variable = 'ICCPROFILES', - suffixes = { 'icc' }, - }, - texmfscripts = { - names = { "texmfscript", "texmfscripts", "script", "scripts" }, - variable = 'TEXMFSCRIPTS', - suffixes = { 'rb', 'pl', 'py' }, - }, - lua = { - names = { "lua" }, - variable = 'LUAINPUTS', - suffixes = { 'lua', 'luc', 'tma', 'tmc' }, - }, - lib = { - names = { "lib" }, - variable = 'CLUAINPUTS', - suffixes = os.libsuffix and { os.libsuffix } or { 'dll', 'so' }, - }, - bib = { - names = { 'bib' }, - suffixes = { 'bib' }, - }, - bst = { - names = { 'bst' }, - suffixes = { 'bst' }, - }, - fontconfig = { - names = { 'fontconfig', 'fontconfig file', 'fontconfig files' }, - variable = 'FONTCONFIG_PATH', - }, - }, - obsolete = { - enc = { - names = { "enc", "enc files", "enc file", "encoding files", "encoding file" }, - variable = 'ENCFONTS', - suffixes = { 'enc' }, - }, - map = { - names = { "map", "map files", "map file" }, - variable = 'TEXFONTMAPS', - suffixes = { 'map' }, - }, - lig = { - names = { "lig files", "lig file", "ligature file", "ligature files" }, - variable = 'LIGFONTS', - suffixes = { 'lig' }, - }, - opl = { - names = { "opl" }, - variable = 'OPLFONTS', - suffixes = { 'opl' }, - }, - ovp = { - names = { "ovp" }, - variable = 'OVPFONTS', - suffixes = { 'ovp' }, - }, - }, - kpse = { -- subset - base = { - names = { 'base', "metafont format" }, - variable = 'MFBASES', - suffixes = { 'base', 'bas' }, - }, - cmap = { - names = { 'cmap', 'cmap files', 'cmap file' }, - variable = 'CMAPFONTS', - suffixes = { 'cmap' }, - }, - cnf = { - names = { 'cnf' }, - suffixes = { 'cnf' }, - }, - web = { - names = { 'web' }, - suffixes = { 'web', 'ch' } - }, - cweb = { - names = { 'cweb' }, - suffixes = { 'w', 'web', 'ch' }, - }, - gf = { - names = { 'gf' }, - suffixes = { '<resolution>gf' }, - }, - mf = { - names = { 'mf' }, - variable = 'MFINPUTS', - suffixes = { 'mf' }, - }, - mft = { - names = { 'mft' }, - suffixes = { 'mft' }, - }, - pk = { - names = { 'pk' }, - suffixes = { '<resolution>pk' }, - }, - }, -} - -resolvers.relations = relations - --- formats: maps a format onto a variable - -function resolvers.updaterelations() - for category, categories in next, relations do - for name, relation in next, categories do - local rn = relation.names - local rv = relation.variable - local rs = relation.suffixes - if rn and rv then - for i=1,#rn do - local rni = lower(gsub(rn[i]," ","")) - formats[rni] = rv - if rs then - suffixes[rni] = rs - for i=1,#rs do - local rsi = rs[i] - suffixmap[rsi] = rni - end - end - end - end - if rs then - end - end - end -end - -resolvers.updaterelations() -- push this in the metatable -> newindex - -local function simplified(t,k) - return k and rawget(t,lower(gsub(k," ",""))) or nil -end - -setmetatableindex(formats, simplified) -setmetatableindex(suffixes, simplified) -setmetatableindex(suffixmap, simplified) - --- A few accessors, mostly for command line tool. - -function resolvers.suffixofformat(str) - local s = suffixes[str] - return s and s[1] or "" -end - -function resolvers.suffixofformat(str) - return suffixes[str] or { } -end - -for name, format in next, formats do - dangerous[name] = true -- still needed ? -end - --- because vf searching is somewhat dangerous, we want to prevent --- too liberal searching esp because we do a lookup on the current --- path anyway; only tex (or any) is safe - -dangerous.tex = nil - - --- more helpers - -function resolvers.formatofvariable(str) - return formats[str] or '' -end - -function resolvers.formatofsuffix(str) -- of file - return suffixmap[fileextname(str)] or 'tex' -- so many map onto tex (like mkiv, cld etc) -end - -function resolvers.variableofformat(str) - return formats[str] or '' -end - -function resolvers.variableofformatorsuffix(str) - local v = formats[str] - if v then - return v - end - v = suffixmap[fileextname(str)] - if v then - return formats[v] - end - return '' -end - - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-tmp'] = { - version = 1.100, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - ---[[ldx-- -<p>This module deals with caching data. It sets up the paths and -implements loaders and savers for tables. Best is to set the -following variable. When not set, the usual paths will be -checked. Personally I prefer the (users) temporary path.</p> - -</code> -TEXMFCACHE=$TMP;$TEMP;$TMPDIR;$TEMPDIR;$HOME;$TEXMFVAR;$VARTEXMF;. -</code> - -<p>Currently we do no locking when we write files. This is no real -problem because most caching involves fonts and the chance of them -being written at the same time is small. We also need to extend -luatools with a recache feature.</p> ---ldx]]-- - -local format, lower, gsub, concat = string.format, string.lower, string.gsub, table.concat -local serialize, serializetofile = table.serialize, table.tofile -local mkdirs, isdir = dir.mkdirs, lfs.isdir - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) -local trace_cache = false trackers.register("resolvers.cache", function(v) trace_cache = v end) - -local report_caches = logs.reporter("resolvers","caches") -local report_resolvers = logs.reporter("resolvers","caching") - -local resolvers = resolvers - --- intermezzo - -local directive_cleanup = false directives.register("system.compile.cleanup", function(v) directive_cleanup = v end) -local directive_strip = true directives.register("system.compile.strip", function(v) directive_strip = v end) - -local compile = utilities.lua.compile - -function utilities.lua.compile(luafile,lucfile,cleanup,strip) - if cleanup == nil then cleanup = directive_cleanup end - if strip == nil then strip = directive_strip end - return compile(luafile,lucfile,cleanup,strip) -end - --- end of intermezzo - -caches = caches or { } -local caches = caches - -caches.base = caches.base or "luatex-cache" -caches.more = caches.more or "context" -caches.direct = false -- true is faster but may need huge amounts of memory -caches.tree = false -caches.force = true -caches.ask = false -caches.relocate = false -caches.defaults = { "TMPDIR", "TEMPDIR", "TMP", "TEMP", "HOME", "HOMEPATH" } - -local writable, readables, usedreadables = nil, { }, { } - --- we could use a metatable for writable and readable but not yet - -local function identify() - -- Combining the loops makes it messy. First we check the format cache path - -- and when the last component is not present we try to create it. - local texmfcaches = resolvers.cleanpathlist("TEXMFCACHE") - if texmfcaches then - for k=1,#texmfcaches do - local cachepath = texmfcaches[k] - if cachepath ~= "" then - cachepath = resolvers.resolve(cachepath) - cachepath = resolvers.cleanpath(cachepath) - cachepath = file.collapsepath(cachepath) - local valid = isdir(cachepath) - if valid then - if file.is_readable(cachepath) then - readables[#readables+1] = cachepath - if not writable and file.is_writable(cachepath) then - writable = cachepath - end - end - elseif not writable and caches.force then - local cacheparent = file.dirname(cachepath) - if file.is_writable(cacheparent) and true then -- we go on anyway (needed for mojca's kind of paths) - if not caches.ask or io.ask(format("\nShould I create the cache path %s?",cachepath), "no", { "yes", "no" }) == "yes" then - mkdirs(cachepath) - if isdir(cachepath) and file.is_writable(cachepath) then - report_caches("created: %s",cachepath) - writable = cachepath - readables[#readables+1] = cachepath - end - end - end - end - end - end - end - -- As a last resort we check some temporary paths but this time we don't - -- create them. - local texmfcaches = caches.defaults - if texmfcaches then - for k=1,#texmfcaches do - local cachepath = texmfcaches[k] - cachepath = resolvers.expansion(cachepath) -- was getenv - if cachepath ~= "" then - cachepath = resolvers.resolve(cachepath) - cachepath = resolvers.cleanpath(cachepath) - local valid = isdir(cachepath) - if valid and file.is_readable(cachepath) then - if not writable and file.is_writable(cachepath) then - readables[#readables+1] = cachepath - writable = cachepath - break - end - end - end - end - end - -- Some extra checking. If we have no writable or readable path then we simply - -- quit. - if not writable then - report_caches("fatal error: there is no valid writable cache path defined") - os.exit() - elseif #readables == 0 then - report_caches("fatal error: there is no valid readable cache path defined") - os.exit() - end - -- why here - writable = dir.expandname(resolvers.cleanpath(writable)) -- just in case - -- moved here - local base, more, tree = caches.base, caches.more, caches.tree or caches.treehash() -- we have only one writable tree - if tree then - caches.tree = tree - writable = mkdirs(writable,base,more,tree) - for i=1,#readables do - readables[i] = file.join(readables[i],base,more,tree) - end - else - writable = mkdirs(writable,base,more) - for i=1,#readables do - readables[i] = file.join(readables[i],base,more) - end - end - -- end - if trace_cache then - for i=1,#readables do - report_caches("using readable path '%s' (order %s)",readables[i],i) - end - report_caches("using writable path '%s'",writable) - end - identify = function() - return writable, readables - end - return writable, readables -end - -function caches.usedpaths() - local writable, readables = identify() - if #readables > 1 then - local result = { } - for i=1,#readables do - local readable = readables[i] - if usedreadables[i] or readable == writable then - result[#result+1] = format("readable: '%s' (order %s)",readable,i) - end - end - result[#result+1] = format("writable: '%s'",writable) - return result - else - return writable - end -end - -function caches.configfiles() - return concat(resolvers.instance.specification,";") -end - -function caches.hashed(tree) - tree = gsub(tree,"\\$","/") - tree = gsub(tree,"/+$","") - tree = lower(tree) - local hash = md5.hex(tree) - if trace_cache or trace_locating then - report_caches("hashing tree %s, hash %s",tree,hash) - end - return hash -end - -function caches.treehash() - local tree = caches.configfiles() - if not tree or tree == "" then - return false - else - return caches.hashed(tree) - end -end - -local r_cache, w_cache = { }, { } -- normally w in in r but who cares - -local function getreadablepaths(...) -- we can optimize this as we have at most 2 tags - local tags = { ... } - local hash = concat(tags,"/") - local done = r_cache[hash] - if not done then - local writable, readables = identify() -- exit if not found - if #tags > 0 then - done = { } - for i=1,#readables do - done[i] = file.join(readables[i],...) - end - else - done = readables - end - r_cache[hash] = done - end - return done -end - -local function getwritablepath(...) - local tags = { ... } - local hash = concat(tags,"/") - local done = w_cache[hash] - if not done then - local writable, readables = identify() -- exit if not found - if #tags > 0 then - done = mkdirs(writable,...) - else - done = writable - end - w_cache[hash] = done - end - return done -end - -caches.getreadablepaths = getreadablepaths -caches.getwritablepath = getwritablepath - -function caches.getfirstreadablefile(filename,...) - local rd = getreadablepaths(...) - for i=1,#rd do - local path = rd[i] - local fullname = file.join(path,filename) - if file.is_readable(fullname) then - usedreadables[i] = true - return fullname, path - end - end - return caches.setfirstwritablefile(filename,...) -end - -function caches.setfirstwritablefile(filename,...) - local wr = getwritablepath(...) - local fullname = file.join(wr,filename) - return fullname, wr -end - -function caches.define(category,subcategory) -- for old times sake - return function() - return getwritablepath(category,subcategory) - end -end - -function caches.setluanames(path,name) - return path .. "/" .. name .. ".tma", path .. "/" .. name .. ".tmc" -end - -function caches.loaddata(readables,name) - if type(readables) == "string" then - readables = { readables } - end - for i=1,#readables do - local path = readables[i] - local tmaname, tmcname = caches.setluanames(path,name) - local loader = loadfile(tmcname) or loadfile(tmaname) - if loader then - loader = loader() - collectgarbage("step") - return loader - end - end - return false -end - -function caches.is_writable(filepath,filename) - local tmaname, tmcname = caches.setluanames(filepath,filename) - return file.is_writable(tmaname) -end - -local saveoptions = { compact = true } - -function caches.savedata(filepath,filename,data,raw) - local tmaname, tmcname = caches.setluanames(filepath,filename) - local reduce, simplify = true, true - if raw then - reduce, simplify = false, false - end - data.cache_uuid = os.uuid() - if caches.direct then - file.savedata(tmaname,serialize(data,true,saveoptions)) - else - serializetofile(tmaname,data,true,saveoptions) - end - utilities.lua.compile(tmaname,tmcname) -end - --- moved from data-res: - -local content_state = { } - -function caches.contentstate() - return content_state or { } -end - -function caches.loadcontent(cachename,dataname) - local name = caches.hashed(cachename) - local full, path = caches.getfirstreadablefile(name ..".lua","trees") - local filename = file.join(path,name) - local blob = loadfile(filename .. ".luc") or loadfile(filename .. ".lua") - if blob then - local data = blob() - if data and data.content then - if data.type == dataname then - if data.version == resolvers.cacheversion then - content_state[#content_state+1] = data.uuid - if trace_locating then - report_resolvers("loading '%s' for '%s' from '%s'",dataname,cachename,filename) - end - return data.content - else - report_resolvers("skipping '%s' for '%s' from '%s' (version mismatch)",dataname,cachename,filename) - end - else - report_resolvers("skipping '%s' for '%s' from '%s' (datatype mismatch)",dataname,cachename,filename) - end - elseif trace_locating then - report_resolvers("skipping '%s' for '%s' from '%s' (no content)",dataname,cachename,filename) - end - elseif trace_locating then - report_resolvers("skipping '%s' for '%s' from '%s' (invalid file)",dataname,cachename,filename) - end -end - -function caches.collapsecontent(content) - for k, v in next, content do - if type(v) == "table" and #v == 1 then - content[k] = v[1] - end - end -end - -function caches.savecontent(cachename,dataname,content) - local name = caches.hashed(cachename) - local full, path = caches.setfirstwritablefile(name ..".lua","trees") - local filename = file.join(path,name) -- is full - local luaname, lucname = filename .. ".lua", filename .. ".luc" - if trace_locating then - report_resolvers("preparing '%s' for '%s'",dataname,cachename) - end - local data = { - type = dataname, - root = cachename, - version = resolvers.cacheversion, - date = os.date("%Y-%m-%d"), - time = os.date("%H:%M:%S"), - content = content, - uuid = os.uuid(), - } - local ok = io.savedata(luaname,serialize(data,true)) - if ok then - if trace_locating then - report_resolvers("category '%s', cachename '%s' saved in '%s'",dataname,cachename,luaname) - end - if utilities.lua.compile(luaname,lucname) then - if trace_locating then - report_resolvers("'%s' compiled to '%s'",dataname,lucname) - end - return true - else - if trace_locating then - report_resolvers("compiling failed for '%s', deleting file '%s'",dataname,lucname) - end - os.remove(lucname) - end - elseif trace_locating then - report_resolvers("unable to save '%s' in '%s' (access error)",dataname,luaname) - end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-met'] = { - version = 1.100, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local find, format = string.find, string.format -local sequenced = table.sequenced -local addurlscheme, urlhashed = url.addscheme, url.hashed - -local trace_locating = false - -trackers.register("resolvers.locating", function(v) trace_methods = v end) -trackers.register("resolvers.methods", function(v) trace_methods = v end) - - -local report_methods = logs.reporter("resolvers","methods") - -local allocate = utilities.storage.allocate - -local resolvers = resolvers - -local registered = { } - -local function splitmethod(filename) -- todo: filetype in specification - if not filename then - return { scheme = "unknown", original = filename } - end - if type(filename) == "table" then - return filename -- already split - end - filename = file.collapsepath(filename) - if not find(filename,"://") then - return { scheme = "file", path = filename, original = filename, filename = filename } - end - local specification = url.hashed(filename) - if not specification.scheme or specification.scheme == "" then - return { scheme = "file", path = filename, original = filename, filename = filename } - else - return specification - end -end - -resolvers.splitmethod = splitmethod -- bad name but ok - --- the second argument is always analyzed (saves time later on) and the original --- gets passed as original but also as argument - -local function methodhandler(what,first,...) -- filename can be nil or false - local method = registered[what] - if method then - local how, namespace = method.how, method.namespace - if how == "uri" or how == "url" then - local specification = splitmethod(first) - local scheme = specification.scheme - local resolver = namespace and namespace[scheme] - if resolver then - if trace_methods then - report_methods("resolver: method=%s, how=%s, scheme=%s, argument=%s",what,how,scheme,first) - end - return resolver(specification,...) - else - resolver = namespace.default or namespace.file - if resolver then - if trace_methods then - report_methods("resolver: method=%s, how=%s, default, argument=%s",what,how,first) - end - return resolver(specification,...) - elseif trace_methods then - report_methods("resolver: method=%s, how=%s, no handler",what,how) - end - end - elseif how == "tag" then - local resolver = namespace and namespace[first] - if resolver then - if trace_methods then - report_methods("resolver: method=%s, how=%s, tag=%s",what,how,first) - end - return resolver(...) - else - resolver = namespace.default or namespace.file - if resolver then - if trace_methods then - report_methods("resolver: method=%s, how=%s, default",what,how) - end - return resolver(...) - elseif trace_methods then - report_methods("resolver: method=%s, how=%s, unknown",what,how) - end - end - end - else - report_methods("resolver: method=%s, unknown",what) - end -end - -resolvers.methodhandler = methodhandler - -function resolvers.registermethod(name,namespace,how) - registered[name] = { how = how or "tag", namespace = namespace } - namespace["byscheme"] = function(scheme,filename,...) - if scheme == "file" then - return methodhandler(name,filename,...) - else - return methodhandler(name,addurlscheme(filename,scheme),...) - end - end -end - -local concatinators = allocate { notfound = file.join } -- concatinate paths -local locators = allocate { notfound = function() end } -- locate databases -local hashers = allocate { notfound = function() end } -- load databases -local generators = allocate { notfound = function() end } -- generate databases - -resolvers.concatinators = concatinators -resolvers.locators = locators -resolvers.hashers = hashers -resolvers.generators = generators - -local registermethod = resolvers.registermethod - -registermethod("concatinators",concatinators,"tag") -registermethod("locators", locators, "uri") -registermethod("hashers", hashers, "uri") -registermethod("generators", generators, "uri") - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-res'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files", -} - --- In practice we will work within one tds tree, but i want to keep --- the option open to build tools that look at multiple trees, which is --- why we keep the tree specific data in a table. We used to pass the --- instance but for practical purposes we now avoid this and use a --- instance variable. We always have one instance active (sort of global). - --- todo: cache:/// home:/// selfautoparent:/// (sometime end 2012) - -local format, gsub, find, lower, upper, match, gmatch = string.format, string.gsub, string.find, string.lower, string.upper, string.match, string.gmatch -local concat, insert, sortedkeys = table.concat, table.insert, table.sortedkeys -local next, type, rawget = next, type, rawget -local os = os - -local P, S, R, C, Cc, Cs, Ct, Carg = lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.Cc, lpeg.Cs, lpeg.Ct, lpeg.Carg -local lpegmatch, lpegpatterns = lpeg.match, lpeg.patterns - -local filedirname = file.dirname -local filebasename = file.basename -local fileextname = file.extname -local filejoin = file.join -local collapsepath = file.collapsepath -local joinpath = file.joinpath -local allocate = utilities.storage.allocate -local setmetatableindex = table.setmetatableindex - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) -local trace_detail = false trackers.register("resolvers.details", function(v) trace_detail = v end) -local trace_expansions = false trackers.register("resolvers.expansions", function(v) trace_expansions = v end) - -local report_resolving = logs.reporter("resolvers","resolving") - -local resolvers = resolvers - -local expandedpathfromlist = resolvers.expandedpathfromlist -local checkedvariable = resolvers.checkedvariable -local splitconfigurationpath = resolvers.splitconfigurationpath -local methodhandler = resolvers.methodhandler - -local initializesetter = utilities.setters.initialize - -local ostype, osname, osenv, ossetenv, osgetenv = os.type, os.name, os.env, os.setenv, os.getenv - -resolvers.cacheversion = '1.0.1' -resolvers.configbanner = '' -resolvers.homedir = environment.homedir -resolvers.criticalvars = allocate { "SELFAUTOLOC", "SELFAUTODIR", "SELFAUTOPARENT", "TEXMFCNF", "TEXMF", "TEXOS" } -resolvers.luacnfname = 'texmfcnf.lua' -resolvers.luacnfstate = "unknown" - --- The web2c tex binaries as well as kpse have built in paths for the configuration --- files and there can be a depressing truckload of them. This is actually the weak --- spot of a distribution. So we don't want: --- --- resolvers.luacnfspec = '{$SELFAUTODIR,$SELFAUTOPARENT}{,{/share,}/texmf{-local,}/web2c}' --- --- but instead use: --- --- resolvers.luacnfspec = 'selfautoparent:{/texmf{-local,}{,/web2c}}' --- --- which does not make texlive happy as there is a texmf-local tree one level up --- (sigh), so we need this. (We can assume web2c as mkiv does not run on older --- texlives anyway. --- --- texlive: --- --- selfautodir: --- selfautoparent: --- selfautodir:share/texmf-local/web2c --- selfautodir:share/texmf/web2c --- selfautodir:texmf-local/web2c --- selfautodir:texmf/web2c --- selfautoparent:share/texmf-local/web2c --- selfautoparent:share/texmf/web2c --- selfautoparent:texmf-local/web2c --- selfautoparent:texmf/web2c --- --- minimals: --- --- home:texmf/web2c --- selfautoparent:texmf-local/web2c --- selfautoparent:texmf-context/web2c --- selfautoparent:texmf/web2c - -if this_is_texlive then - -- resolvers.luacnfspec = '{selfautodir:,selfautoparent:}{,{/share,}/texmf{-local,}/web2c}' - -- resolvers.luacnfspec = '{selfautodir:{/share,}/texmf-local/web2c,selfautoparent:{/share,}/texmf{-local,}/web2c}' - -- resolvers.luacnfspec = 'selfautodir:/texmf-local/web2c;selfautoparent:/texmf{-local,}/web2c' - resolvers.luacnfspec = 'selfautodir:;selfautoparent:;{selfautodir:,selfautoparent:}{/share,}/texmf{-local,}/web2c' -else - resolvers.luacnfspec = 'home:texmf/web2c;selfautoparent:texmf{-local,-context,}/web2c' -end - --- which (as we want users to use the web2c path) be can be simplified to this: --- --- if environment and environment.ownpath and string.find(environment.ownpath,"[\\/]texlive[\\/]") then --- resolvers.luacnfspec = 'selfautodir:/texmf-local/web2c,selfautoparent:/texmf-local/web2c,selfautoparent:/texmf/web2c' --- else --- resolvers.luacnfspec = 'selfautoparent:/texmf-local/web2c,selfautoparent:/texmf/web2c' --- end - - - -local unset_variable = "unset" - -local formats = resolvers.formats -local suffixes = resolvers.suffixes -local dangerous = resolvers.dangerous -local suffixmap = resolvers.suffixmap - -resolvers.defaultsuffixes = { "tex" } -- "mkiv", "cld" -- too tricky - -resolvers.instance = resolvers.instance or nil -- the current one (slow access) -local instance = resolvers.instance or nil -- the current one (fast access) - --- An instance has an environment (coming from the outside, kept raw), variables --- (coming from the configuration file), and expansions (variables with nested --- variables replaced). One can push something into the outer environment and --- its internal copy, but only the later one will be the raw unprefixed variant. - -function resolvers.setenv(key,value,raw) - if instance then - -- this one will be consulted first when we stay inside - -- the current environment (prefixes are not resolved here) - instance.environment[key] = value - -- we feed back into the environment, and as this is used - -- by other applications (via os.execute) we need to make - -- sure that prefixes are resolve - ossetenv(key,raw and value or resolvers.resolve(value)) - end -end - --- Beware we don't want empty here as this one can be called early on --- and therefore we use rawget. - -local function getenv(key) - local value = rawget(instance.environment,key) - if value and value ~= "" then - return value - else - local e = osgetenv(key) - return e ~= nil and e ~= "" and checkedvariable(e) or "" - end -end - -resolvers.getenv = getenv -resolvers.env = getenv - --- We are going to use some metatable trickery where we backtrack from --- expansion to variable to environment. - -local function resolve(k) - return instance.expansions[k] -end - -local dollarstripper = lpeg.stripper("$") -local inhibitstripper = P("!")^0 * Cs(P(1)^0) -local backslashswapper = lpeg.replacer("\\","/") - -local somevariable = P("$") / "" -local somekey = C(R("az","AZ","09","__","--")^1) -local somethingelse = P(";") * ((1-S("!{}/\\"))^1 * P(";") / "") - + P(";") * (P(";") / "") - + P(1) -local variableexpander = Cs( (somevariable * (somekey/resolve) + somethingelse)^1 ) - -local cleaner = P("\\") / "/" + P(";") * S("!{}/\\")^0 * P(";")^1 / ";" -local variablecleaner = Cs((cleaner + P(1))^0) - -local somevariable = R("az","AZ","09","__","--")^1 / resolve -local variable = (P("$")/"") * (somevariable + (P("{")/"") * somevariable * (P("}")/"")) -local variableresolver = Cs((variable + P(1))^0) - -local function expandedvariable(var) - return lpegmatch(variableexpander,var) or var -end - -function resolvers.newinstance() -- todo: all vars will become lowercase and alphanum only - - if trace_locating then - report_resolving("creating instance") - end - - local environment, variables, expansions, order = allocate(), allocate(), allocate(), allocate() - - local newinstance = { - environment = environment, - variables = variables, - expansions = expansions, - order = order, - files = allocate(), - setups = allocate(), - found = allocate(), - foundintrees = allocate(), - hashes = allocate(), - hashed = allocate(), - specification = allocate(), - lists = allocate(), - data = allocate(), -- only for loading - fakepaths = allocate(), - remember = true, - diskcache = true, - renewcache = false, - renewtree = false, - loaderror = false, - savelists = true, - pattern = nil, -- lists - force_suffixes = true, - } - - setmetatableindex(variables,function(t,k) - local v - for i=1,#order do - v = order[i][k] - if v ~= nil then - t[k] = v - return v - end - end - if v == nil then - v = "" - end - t[k] = v - return v - end) - - setmetatableindex(environment, function(t,k) - local v = osgetenv(k) - if v == nil then - v = variables[k] - end - if v ~= nil then - v = checkedvariable(v) or "" - end - v = resolvers.repath(v) -- for taco who has a : separated osfontdir - t[k] = v - return v - end) - - setmetatableindex(expansions, function(t,k) - local v = environment[k] - if type(v) == "string" then - v = lpegmatch(variableresolver,v) - v = lpegmatch(variablecleaner,v) - end - t[k] = v - return v - end) - - return newinstance - -end - -function resolvers.setinstance(someinstance) -- only one instance is active - instance = someinstance - resolvers.instance = someinstance - return someinstance -end - -function resolvers.reset() - return resolvers.setinstance(resolvers.newinstance()) -end - -local function reset_hashes() - instance.lists = { } - instance.found = { } -end - -local slash = P("/") - -local pathexpressionpattern = Cs ( - Cc("^") * ( - Cc("%") * S(".-") - + slash^2 * P(-1) / "/.*" - + slash^2 / "/.-/" - + (1-slash) * P(-1) * Cc("/") - + P(1) - )^1 * Cc("$") -- yes or no $ -) - -local cache = { } - -local function makepathexpression(str) - if str == "." then - return "^%./$" - else - local c = cache[str] - if not c then - c = lpegmatch(pathexpressionpattern,str) - cache[str] = c - end - return c - end -end - -local function reportcriticalvariables(cnfspec) - if trace_locating then - for i=1,#resolvers.criticalvars do - local k = resolvers.criticalvars[i] - local v = resolvers.getenv(k) or "unknown" -- this one will not resolve ! - report_resolving("variable '%s' set to '%s'",k,v) - end - report_resolving() - if cnfspec then - if type(cnfspec) == "table" then - report_resolving("using configuration specification '%s'",concat(cnfspec,",")) - else - report_resolving("using configuration specification '%s'",cnfspec) - end - end - report_resolving() - end - reportcriticalvariables = function() end -end - -local function identify_configuration_files() - local specification = instance.specification - if #specification == 0 then - local cnfspec = getenv('TEXMFCNF') - if cnfspec == "" then - cnfspec = resolvers.luacnfspec - resolvers.luacnfstate = "default" - else - resolvers.luacnfstate = "environment" - end - reportcriticalvariables(cnfspec) - local cnfpaths = expandedpathfromlist(resolvers.splitpath(cnfspec)) - local luacnfname = resolvers.luacnfname - for i=1,#cnfpaths do - local filename = collapsepath(filejoin(cnfpaths[i],luacnfname)) - local realname = resolvers.resolve(filename) - if lfs.isfile(realname) then - specification[#specification+1] = filename - if trace_locating then - report_resolving("found configuration file '%s'",realname) - end - elseif trace_locating then - report_resolving("unknown configuration file '%s'",realname) - end - end - if trace_locating then - report_resolving() - end - elseif trace_locating then - report_resolving("configuration files already identified") - end -end - -local function load_configuration_files() - local specification = instance.specification - if #specification > 0 then - local luacnfname = resolvers.luacnfname - for i=1,#specification do - local filename = specification[i] - local pathname = filedirname(filename) - local filename = filejoin(pathname,luacnfname) - local realname = resolvers.resolve(filename) -- no shortcut - local blob = loadfile(realname) - if blob then - local setups = instance.setups - local data = blob() - local parent = data and data.parent - if parent then - local filename = filejoin(pathname,parent) - local realname = resolvers.resolve(filename) -- no shortcut - local blob = loadfile(realname) - if blob then - local parentdata = blob() - if parentdata then - report_resolving("loading configuration file '%s'",filename) - data = table.merged(parentdata,data) - end - end - end - data = data and data.content - if data then - if trace_locating then - report_resolving("loading configuration file '%s'",filename) - report_resolving() - end - local variables = data.variables or { } - local warning = false - for k, v in next, data do - local variant = type(v) - if variant == "table" then - initializesetter(filename,k,v) - elseif variables[k] == nil then - if trace_locating and not warning then - report_resolving("variables like '%s' in configuration file '%s' should move to the 'variables' subtable", - k,resolvers.resolve(filename)) - warning = true - end - variables[k] = v - end - end - setups[pathname] = variables - if resolvers.luacnfstate == "default" then - -- the following code is not tested - local cnfspec = variables["TEXMFCNF"] - if cnfspec then - if trace_locating then - report_resolving("reloading configuration due to TEXMF redefinition") - end - -- we push the value into the main environment (osenv) so - -- that it takes precedence over the default one and therefore - -- also over following definitions - resolvers.setenv('TEXMFCNF',cnfspec) -- resolves prefixes - -- we now identify and load the specified configuration files - instance.specification = { } - identify_configuration_files() - load_configuration_files() - -- we prevent further overload of the configuration variable - resolvers.luacnfstate = "configuration" - -- we quit the outer loop - break - end - end - - else - if trace_locating then - report_resolving("skipping configuration file '%s' (no content)",filename) - end - setups[pathname] = { } - instance.loaderror = true - end - elseif trace_locating then - report_resolving("skipping configuration file '%s' (no file)",filename) - end - instance.order[#instance.order+1] = instance.setups[pathname] - if instance.loaderror then - break - end - end - elseif trace_locating then - report_resolving("warning: no lua configuration files found") - end -end - --- scheme magic ... database loading - -local function load_file_databases() - instance.loaderror, instance.files = false, allocate() - if not instance.renewcache then - local hashes = instance.hashes - for k=1,#hashes do - local hash = hashes[k] - resolvers.hashers.byscheme(hash.type,hash.name) - if instance.loaderror then break end - end - end -end - -local function locate_file_databases() - -- todo: cache:// and tree:// (runtime) - local texmfpaths = resolvers.expandedpathlist('TEXMF') - if #texmfpaths > 0 then - for i=1,#texmfpaths do - local path = collapsepath(texmfpaths[i]) - local stripped = lpegmatch(inhibitstripper,path) -- the !! thing - if stripped ~= "" then - local runtime = stripped == path - path = resolvers.cleanpath(path) - local spec = resolvers.splitmethod(stripped) - if runtime and (spec.noscheme or spec.scheme == "file") then - stripped = "tree:///" .. stripped - elseif spec.scheme == "cache" or spec.scheme == "file" then - stripped = spec.path - end - if trace_locating then - if runtime then - report_resolving("locating list of '%s' (runtime) (%s)",path,stripped) - else - report_resolving("locating list of '%s' (cached)",path) - end - end - methodhandler('locators',stripped) - end - end - if trace_locating then - report_resolving() - end - elseif trace_locating then - report_resolving("no texmf paths are defined (using TEXMF)") - end -end - -local function generate_file_databases() - local hashes = instance.hashes - for k=1,#hashes do - local hash = hashes[k] - methodhandler('generators',hash.name) - end - if trace_locating then - report_resolving() - end -end - -local function save_file_databases() -- will become cachers - for i=1,#instance.hashes do - local hash = instance.hashes[i] - local cachename = hash.name - if hash.cache then - local content = instance.files[cachename] - caches.collapsecontent(content) - if trace_locating then - report_resolving("saving tree '%s'",cachename) - end - caches.savecontent(cachename,"files",content) - elseif trace_locating then - report_resolving("not saving runtime tree '%s'",cachename) - end - end -end - -function resolvers.renew(hashname) - if hashname and hashname ~= "" then - local expanded = resolvers.expansion(hashname) or "" - if expanded ~= "" then - if trace_locating then - report_resolving("identifying tree '%s' from '%s'",expanded,hashname) - end - hashname = expanded - else - if trace_locating then - report_resolving("identifying tree '%s'",hashname) - end - end - local realpath = resolvers.resolve(hashname) - if lfs.isdir(realpath) then - if trace_locating then - report_resolving("using path '%s'",realpath) - end - methodhandler('generators',hashname) - -- could be shared - local content = instance.files[hashname] - caches.collapsecontent(content) - if trace_locating then - report_resolving("saving tree '%s'",hashname) - end - caches.savecontent(hashname,"files",content) - -- till here - else - report_resolving("invalid path '%s'",realpath) - end - end -end - -local function load_databases() - locate_file_databases() - if instance.diskcache and not instance.renewcache then - load_file_databases() - if instance.loaderror then - generate_file_databases() - save_file_databases() - end - else - generate_file_databases() - if instance.renewcache then - save_file_databases() - end - end -end - -function resolvers.appendhash(type,name,cache) - -- safeguard ... tricky as it's actually a bug when seen twice - if not instance.hashed[name] then - if trace_locating then - report_resolving("hash '%s' appended",name) - end - insert(instance.hashes, { type = type, name = name, cache = cache } ) - instance.hashed[name] = cache - end -end - -function resolvers.prependhash(type,name,cache) - -- safeguard ... tricky as it's actually a bug when seen twice - if not instance.hashed[name] then - if trace_locating then - report_resolving("hash '%s' prepended",name) - end - insert(instance.hashes, 1, { type = type, name = name, cache = cache } ) - instance.hashed[name] = cache - end -end - -function resolvers.extendtexmfvariable(specification) -- crap, we could better prepend the hash - local t = resolvers.splitpath(getenv('TEXMF')) - insert(t,1,specification) - local newspec = concat(t,";") - if instance.environment["TEXMF"] then - instance.environment["TEXMF"] = newspec - elseif instance.variables["TEXMF"] then - instance.variables["TEXMF"] = newspec - else - -- weird - end - reset_hashes() -end - -function resolvers.splitexpansions() - local ie = instance.expansions - for k,v in next, ie do - local t, tn, h, p = { }, 0, { }, splitconfigurationpath(v) - for kk=1,#p do - local vv = p[kk] - if vv ~= "" and not h[vv] then - tn = tn + 1 - t[tn] = vv - h[vv] = true - end - end - if #t > 1 then - ie[k] = t - else - ie[k] = t[1] - end - end -end - --- end of split/join code - --- we used to have 'files' and 'configurations' so therefore the following --- shared function - -function resolvers.datastate() - return caches.contentstate() -end - -function resolvers.variable(name) - local name = name and lpegmatch(dollarstripper,name) - local result = name and instance.variables[name] - return result ~= nil and result or "" -end - -function resolvers.expansion(name) - local name = name and lpegmatch(dollarstripper,name) - local result = name and instance.expansions[name] - return result ~= nil and result or "" -end - -function resolvers.unexpandedpathlist(str) - local pth = resolvers.variable(str) - local lst = resolvers.splitpath(pth) - return expandedpathfromlist(lst) -end - -function resolvers.unexpandedpath(str) - return joinpath(resolvers.unexpandedpathlist(str)) -end - -local done = { } - -function resolvers.resetextrapath() - local ep = instance.extra_paths - if not ep then - ep, done = { }, { } - instance.extra_paths = ep - elseif #ep > 0 then - instance.lists, done = { }, { } - end -end - -function resolvers.registerextrapath(paths,subpaths) - local ep = instance.extra_paths or { } - local oldn = #ep - local newn = oldn - if paths and paths ~= "" then - if subpaths and subpaths ~= "" then - for p in gmatch(paths,"[^,]+") do - -- we gmatch each step again, not that fast, but used seldom - for s in gmatch(subpaths,"[^,]+") do - local ps = p .. "/" .. s - if not done[ps] then - newn = newn + 1 - ep[newn] = resolvers.cleanpath(ps) - done[ps] = true - end - end - end - else - for p in gmatch(paths,"[^,]+") do - if not done[p] then - newn = newn + 1 - ep[newn] = resolvers.cleanpath(p) - done[p] = true - end - end - end - elseif subpaths and subpaths ~= "" then - for i=1,oldn do - -- we gmatch each step again, not that fast, but used seldom - for s in gmatch(subpaths,"[^,]+") do - local ps = ep[i] .. "/" .. s - if not done[ps] then - newn = newn + 1 - ep[newn] = resolvers.cleanpath(ps) - done[ps] = true - end - end - end - end - if newn > 0 then - instance.extra_paths = ep -- register paths - end - if newn > oldn then - instance.lists = { } -- erase the cache - end -end - -local function made_list(instance,list) - local ep = instance.extra_paths - if not ep or #ep == 0 then - return list - else - local done, new, newn = { }, { }, 0 - -- honour . .. ../.. but only when at the start - for k=1,#list do - local v = list[k] - if not done[v] then - if find(v,"^[%.%/]$") then - done[v] = true - newn = newn + 1 - new[newn] = v - else - break - end - end - end - -- first the extra paths - for k=1,#ep do - local v = ep[k] - if not done[v] then - done[v] = true - newn = newn + 1 - new[newn] = v - end - end - -- next the formal paths - for k=1,#list do - local v = list[k] - if not done[v] then - done[v] = true - newn = newn + 1 - new[newn] = v - end - end - return new - end -end - -function resolvers.cleanpathlist(str) - local t = resolvers.expandedpathlist(str) - if t then - for i=1,#t do - t[i] = collapsepath(resolvers.cleanpath(t[i])) - end - end - return t -end - -function resolvers.expandpath(str) - return joinpath(resolvers.expandedpathlist(str)) -end - -function resolvers.expandedpathlist(str) - if not str then - return { } - elseif instance.savelists then - str = lpegmatch(dollarstripper,str) - if not instance.lists[str] then -- cached - local lst = made_list(instance,resolvers.splitpath(resolvers.expansion(str))) - instance.lists[str] = expandedpathfromlist(lst) - end - return instance.lists[str] - else - local lst = resolvers.splitpath(resolvers.expansion(str)) - return made_list(instance,expandedpathfromlist(lst)) - end -end - -function resolvers.expandedpathlistfromvariable(str) -- brrr - str = lpegmatch(dollarstripper,str) - local tmp = resolvers.variableofformatorsuffix(str) - return resolvers.expandedpathlist(tmp ~= "" and tmp or str) -end - -function resolvers.expandpathfromvariable(str) - return joinpath(resolvers.expandedpathlistfromvariable(str)) -end - -function resolvers.expandbraces(str) -- output variable and brace expansion of STRING - local ori = resolvers.variable(str) - local pth = expandedpathfromlist(resolvers.splitpath(ori)) - return joinpath(pth) -end - -function resolvers.registerfilehash(name,content,someerror) - if content then - instance.files[name] = content - else - instance.files[name] = { } - if somerror == true then -- can be unset - instance.loaderror = someerror - end - end -end - -local function isreadable(name) - local readable = lfs.isfile(name) -- not file.is_readable(name) asit can be a dir - if trace_detail then - if readable then - report_resolving("file '%s' is readable",name) - else - report_resolving("file '%s' is not readable", name) - end - end - return readable -end - --- name --- name/name - -local function collect_files(names) - local filelist, noffiles = { }, 0 - for k=1,#names do - local fname = names[k] - if trace_detail then - report_resolving("checking name '%s'",fname) - end - local bname = filebasename(fname) - local dname = filedirname(fname) - if dname == "" or find(dname,"^%.") then - dname = false - else -dname = gsub(dname,"*","%.*") - dname = "/" .. dname .. "$" - end - local hashes = instance.hashes - for h=1,#hashes do - local hash = hashes[h] - local blobpath = hash.name - local files = blobpath and instance.files[blobpath] - if files then - if trace_detail then - report_resolving("deep checking '%s' (%s)",blobpath,bname) - end - local blobfile = files[bname] - if not blobfile then - local rname = "remap:"..bname - blobfile = files[rname] - if blobfile then - bname = files[rname] - blobfile = files[bname] - end - end - if blobfile then - local blobroot = files.__path__ or blobpath - if type(blobfile) == 'string' then - if not dname or find(blobfile,dname) then - local variant = hash.type - -- local search = filejoin(blobpath,blobfile,bname) - local search = filejoin(blobroot,blobfile,bname) - local result = methodhandler('concatinators',hash.type,blobroot,blobfile,bname) - if trace_detail then - report_resolving("match: variant '%s', search '%s', result '%s'",variant,search,result) - end - noffiles = noffiles + 1 - filelist[noffiles] = { variant, search, result } - end - else - for kk=1,#blobfile do - local vv = blobfile[kk] - if not dname or find(vv,dname) then - local variant = hash.type - -- local search = filejoin(blobpath,vv,bname) - local search = filejoin(blobroot,vv,bname) - local result = methodhandler('concatinators',hash.type,blobroot,vv,bname) - if trace_detail then - report_resolving("match: variant '%s', search '%s', result '%s'",variant,search,result) - end - noffiles = noffiles + 1 - filelist[noffiles] = { variant, search, result } - end - end - end - end - elseif trace_locating then - report_resolving("no match in '%s' (%s)",blobpath,bname) - end - end - end - return noffiles > 0 and filelist or nil -end - -local fit = { } - -function resolvers.registerintrees(filename,format,filetype,usedmethod,foundname) - local foundintrees = instance.foundintrees - if usedmethod == "direct" and filename == foundname and fit[foundname] then - -- just an extra lookup after a test on presence - else - local t = { - filename = filename, - format = format ~= "" and format or nil, - filetype = filetype ~= "" and filetype or nil, - usedmethod = usedmethod, - foundname = foundname, - } - fit[foundname] = t - foundintrees[#foundintrees+1] = t - end -end - --- split the next one up for readability (but this module needs a cleanup anyway) - -local function can_be_dir(name) -- can become local - local fakepaths = instance.fakepaths - if not fakepaths[name] then - if lfs.isdir(name) then - fakepaths[name] = 1 -- directory - else - fakepaths[name] = 2 -- no directory - end - end - return fakepaths[name] == 1 -end - -local preparetreepattern = Cs((P(".")/"%%." + P("-")/"%%-" + P(1))^0 * Cc("$")) - --- -- -- begin of main file search routing -- -- -- needs checking as previous has been patched - -local collect_instance_files - -local function find_analyze(filename,askedformat,allresults) - local filetype, wantedfiles, ext = '', { }, fileextname(filename) - -- too tricky as filename can be bla.1.2.3: - -- - -- if not suffixmap[ext] then - -- wantedfiles[#wantedfiles+1] = filename - -- end - wantedfiles[#wantedfiles+1] = filename - if askedformat == "" then - if ext == "" or not suffixmap[ext] then - local defaultsuffixes = resolvers.defaultsuffixes - for i=1,#defaultsuffixes do - local forcedname = filename .. '.' .. defaultsuffixes[i] - wantedfiles[#wantedfiles+1] = forcedname - filetype = resolvers.formatofsuffix(forcedname) - if trace_locating then - report_resolving("forcing filetype '%s'",filetype) - end - end - else - filetype = resolvers.formatofsuffix(filename) - if trace_locating then - report_resolving("using suffix based filetype '%s'",filetype) - end - end - else - if ext == "" or not suffixmap[ext] then - local format_suffixes = suffixes[askedformat] - if format_suffixes then - for i=1,#format_suffixes do - wantedfiles[#wantedfiles+1] = filename .. "." .. format_suffixes[i] - end - end - end - filetype = askedformat - if trace_locating then - report_resolving("using given filetype '%s'",filetype) - end - end - return filetype, wantedfiles -end - -local function find_direct(filename,allresults) - if not dangerous[askedformat] and isreadable(filename) then - if trace_detail then - report_resolving("file '%s' found directly",filename) - end - return "direct", { filename } - end -end - -local function find_wildcard(filename,allresults) - if find(filename,'%*') then - if trace_locating then - report_resolving("checking wildcard '%s'", filename) - end - local method, result = resolvers.findwildcardfiles(filename) - if result then - return "wildcard", result - end - end -end - -local function find_qualified(filename,allresults) -- this one will be split too - if not file.is_qualified_path(filename) then - return - end - if trace_locating then - report_resolving("checking qualified name '%s'", filename) - end - if isreadable(filename) then - if trace_detail then - report_resolving("qualified file '%s' found", filename) - end - return "qualified", { filename } - end - if trace_detail then - report_resolving("locating qualified file '%s'", filename) - end - local forcedname, suffix = "", fileextname(filename) - if suffix == "" then -- why - local format_suffixes = askedformat == "" and resolvers.defaultsuffixes or suffixes[askedformat] - if format_suffixes then - for i=1,#format_suffixes do - local s = format_suffixes[i] - forcedname = filename .. "." .. s - if isreadable(forcedname) then - if trace_locating then - report_resolving("no suffix, forcing format filetype '%s'", s) - end - return "qualified", { forcedname } - end - end - end - end - if suffix and suffix ~= "" then - -- try to find in tree (no suffix manipulation), here we search for the - -- matching last part of the name - local basename = filebasename(filename) - local pattern = lpegmatch(preparetreepattern,filename) - -- messy .. to be sorted out - local savedformat = askedformat - local format = savedformat or "" - if format == "" then - askedformat = resolvers.formatofsuffix(suffix) - end - if not format then - askedformat = "othertextfiles" -- kind of everything, maybe all - end - -- - if basename ~= filename then - local resolved = collect_instance_files(basename,askedformat,allresults) - if #resolved == 0 then - local lowered = lower(basename) - if filename ~= lowered then - resolved = collect_instance_files(lowered,askedformat,allresults) - end - end - resolvers.format = savedformat - -- - if #resolved > 0 then - local result = { } - for r=1,#resolved do - local rr = resolved[r] - if find(rr,pattern) then - result[#result+1] = rr - end - end - if #result > 0 then - return "qualified", result - end - end - end - -- a real wildcard: - -- - -- local filelist = collect_files({basename}) - -- result = { } - -- for f=1,#filelist do - -- local ff = filelist[f][3] or "" - -- if find(ff,pattern) then - -- result[#result+1], ok = ff, true - -- end - -- end - -- if #result > 0 then - -- return "qualified", result - -- end - end -end - -local function check_subpath(fname) - if isreadable(fname) then - if trace_detail then - report_resolving("found '%s' by deep scanning",fname) - end - return fname - end -end - -local function find_intree(filename,filetype,wantedfiles,allresults) - local typespec = resolvers.variableofformat(filetype) - local pathlist = resolvers.expandedpathlist(typespec) - local method = "intree" - if pathlist and #pathlist > 0 then - -- list search - local filelist = collect_files(wantedfiles) - local dirlist = { } - if filelist then - for i=1,#filelist do - dirlist[i] = filedirname(filelist[i][3]) .. "/" -- was [2] .. gamble - end - end - if trace_detail then - report_resolving("checking filename '%s'",filename) - end - local result = { } - for k=1,#pathlist do - local path = pathlist[k] - local pathname = lpegmatch(inhibitstripper,path) - local doscan = path == pathname -- no ^!! - if not find (pathname,'//$') then - doscan = false -- we check directly on the path - end - local done = false - -- using file list - if filelist then -- database - -- compare list entries with permitted pattern -- /xx /xx// - local expression = makepathexpression(pathname) - if trace_detail then - report_resolving("using pattern '%s' for path '%s'",expression,pathname) - end - for k=1,#filelist do - local fl = filelist[k] - local f = fl[2] - local d = dirlist[k] - if find(d,expression) then - -- todo, test for readable - result[#result+1] = resolvers.resolve(fl[3]) -- no shortcut - done = true - if allresults then - if trace_detail then - report_resolving("match to '%s' in hash for file '%s' and path '%s', continue scanning",expression,f,d) - end - else - if trace_detail then - report_resolving("match to '%s' in hash for file '%s' and path '%s', quit scanning",expression,f,d) - end - break - end - elseif trace_detail then - report_resolving("no match to '%s' in hash for file '%s' and path '%s'",expression,f,d) - end - end - end - if done then - method = "database" - else - method = "filesystem" -- bonus, even when !! is specified - pathname = gsub(pathname,"/+$","") - pathname = resolvers.resolve(pathname) - local scheme = url.hasscheme(pathname) - if not scheme or scheme == "file" then - local pname = gsub(pathname,"%.%*$",'') - if not find(pname,"%*") then - if can_be_dir(pname) then - -- quick root scan first - for k=1,#wantedfiles do - local w = wantedfiles[k] - local fname = check_subpath(filejoin(pname,w)) - if fname then - result[#result+1] = fname - done = true - if not allresults then - break - end - end - end - if not done and doscan then - -- collect files in path (and cache the result) - local files = resolvers.simplescanfiles(pname,false,true) - for k=1,#wantedfiles do - local w = wantedfiles[k] - local subpath = files[w] - if not subpath or subpath == "" then - -- rootscan already done - elseif type(subpath) == "string" then - local fname = check_subpath(filejoin(pname,subpath,w)) - if fname then - result[#result+1] = fname - done = true - if not allresults then - break - end - end - else - for i=1,#subpath do - local sp = subpath[i] - if sp == "" then - -- roottest already done - else - local fname = check_subpath(filejoin(pname,sp,w)) - if fname then - result[#result+1] = fname - done = true - if not allresults then - break - end - end - end - end - if done and not allresults then - break - end - end - end - end - end - else - -- no access needed for non existing path, speedup (esp in large tree with lots of fake) - end - end - end - -- todo recursive scanning - if done and not allresults then - break - end - end - if #result > 0 then - return method, result - end - end -end - -local function find_onpath(filename,filetype,wantedfiles,allresults) - if trace_detail then - report_resolving("checking filename '%s', filetype '%s', wanted files '%s'",filename, filetype or '?',concat(wantedfiles," | ")) - end - local result = { } - for k=1,#wantedfiles do - local fname = wantedfiles[k] - if fname and isreadable(fname) then - filename = fname - result[#result+1] = filejoin('.',fname) - if not allresults then - break - end - end - end - if #result > 0 then - return "onpath", result - end -end - -local function find_otherwise(filename,filetype,wantedfiles,allresults) -- other text files | any | whatever - local filelist = collect_files(wantedfiles) - local fl = filelist and filelist[1] - if fl then - return "otherwise", { resolvers.resolve(fl[3]) } -- filename - end -end - --- we could have a loop over the 6 functions but then we'd have to --- always analyze - -collect_instance_files = function(filename,askedformat,allresults) -- uses nested - askedformat = askedformat or "" - filename = collapsepath(filename) - if allresults then - -- no need for caching, only used for tracing - local filetype, wantedfiles = find_analyze(filename,askedformat) - local results = { - { find_direct (filename,true) }, - { find_wildcard (filename,true) }, - { find_qualified(filename,true) }, - { find_intree (filename,filetype,wantedfiles,true) }, - { find_onpath (filename,filetype,wantedfiles,true) }, - { find_otherwise(filename,filetype,wantedfiles,true) }, - } - local result, status, done = { }, { }, { } - for k, r in next, results do - local method, list = r[1], r[2] - if method and list then - for i=1,#list do - local c = collapsepath(list[i]) - if not done[c] then - result[#result+1] = c - done[c] = true - end - status[#status+1] = format("%-10s: %s",method,c) - end - end - end - if trace_detail then - report_resolving("lookup status: %s",table.serialize(status,filename)) - end - return result, status - else - local method, result, stamp, filetype, wantedfiles - if instance.remember then - stamp = format("%s--%s", filename, askedformat) - result = stamp and instance.found[stamp] - if result then - if trace_locating then - report_resolving("remembered file '%s'",filename) - end - return result - end - end - method, result = find_direct(filename) - if not result then - method, result = find_wildcard(filename) - if not result then - method, result = find_qualified(filename) - if not result then - filetype, wantedfiles = find_analyze(filename,askedformat) - method, result = find_intree(filename,filetype,wantedfiles) - if not result then - method, result = find_onpath(filename,filetype,wantedfiles) - if not result then - method, result = find_otherwise(filename,filetype,wantedfiles) - end - end - end - end - end - if result and #result > 0 then - local foundname = collapsepath(result[1]) - resolvers.registerintrees(filename,askedformat,filetype,method,foundname) - result = { foundname } - else - result = { } -- maybe false - end - if stamp then - if trace_locating then - report_resolving("remembering file '%s'",filename) - end - instance.found[stamp] = result - end - return result - end -end - --- -- -- end of main file search routing -- -- -- - - -local function findfiles(filename,filetype,allresults) - local result, status = collect_instance_files(filename,filetype or "",allresults) - if not result or #result == 0 then - local lowered = lower(filename) - if filename ~= lowered then - result, status = collect_instance_files(lowered,filetype or "",allresults) - end - end - return result or { }, status -end - -function resolvers.findfiles(filename,filetype) - return findfiles(filename,filetype,true) -end - -function resolvers.findfile(filename,filetype) - return findfiles(filename,filetype,false)[1] or "" -end - -function resolvers.findpath(filename,filetype) - return filedirname(findfiles(filename,filetype,false)[1] or "") -end - -local function findgivenfiles(filename,allresults) - local bname, result = filebasename(filename), { } - local hashes = instance.hashes - local noffound = 0 - for k=1,#hashes do - local hash = hashes[k] - local files = instance.files[hash.name] or { } - local blist = files[bname] - if not blist then - local rname = "remap:"..bname - blist = files[rname] - if blist then - bname = files[rname] - blist = files[bname] - end - end - if blist then - if type(blist) == 'string' then - local found = methodhandler('concatinators',hash.type,hash.name,blist,bname) or "" - if found ~= "" then - noffound = noffound + 1 - result[noffound] = resolvers.resolve(found) - if not allresults then break end - end - else - for kk=1,#blist do - local vv = blist[kk] - local found = methodhandler('concatinators',hash.type,hash.name,vv,bname) or "" - if found ~= "" then - noffound = noffound + 1 - result[noffound] = resolvers.resolve(found) - if not allresults then break end - end - end - end - end - end - return result -end - -function resolvers.findgivenfiles(filename) - return findgivenfiles(filename,true) -end - -function resolvers.findgivenfile(filename) - return findgivenfiles(filename,false)[1] or "" -end - -local function doit(path,blist,bname,tag,variant,result,allresults) - local done = false - if blist and variant then - local resolve = resolvers.resolve -- added - if type(blist) == 'string' then - -- make function and share code - if find(lower(blist),path) then - local full = methodhandler('concatinators',variant,tag,blist,bname) or "" - result[#result+1] = resolve(full) - done = true - end - else - for kk=1,#blist do - local vv = blist[kk] - if find(lower(vv),path) then - local full = methodhandler('concatinators',variant,tag,vv,bname) or "" - result[#result+1] = resolve(full) - done = true - if not allresults then break end - end - end - end - end - return done -end - - -local makewildcard = Cs( - (P("^")^0 * P("/") * P(-1) + P(-1)) /".*" - + (P("^")^0 * P("/") / "")^0 * (P("*")/".*" + P("-")/"%%-" + P(".")/"%%." + P("?")/"."+ P("\\")/"/" + P(1))^0 -) - -function resolvers.wildcardpattern(pattern) - return lpegmatch(makewildcard,pattern) or pattern -end - -local function findwildcardfiles(filename,allresults,result) -- todo: remap: and lpeg - result = result or { } - local base = filebasename(filename) - local dirn = filedirname(filename) - local path = lower(lpegmatch(makewildcard,dirn) or dirn) - local name = lower(lpegmatch(makewildcard,base) or base) - local files, done = instance.files, false - if find(name,"%*") then - local hashes = instance.hashes - for k=1,#hashes do - local hash = hashes[k] - local hashname, hashtype = hash.name, hash.type - for kk, hh in next, files[hashname] do - if not find(kk,"^remap:") then - if find(lower(kk),name) then - if doit(path,hh,kk,hashname,hashtype,result,allresults) then done = true end - if done and not allresults then break end - end - end - end - end - else - local hashes = instance.hashes - for k=1,#hashes do - local hash = hashes[k] - local hashname, hashtype = hash.name, hash.type - if doit(path,files[hashname][bname],bname,hashname,hashtype,result,allresults) then done = true end - if done and not allresults then break end - end - end - -- we can consider also searching the paths not in the database, but then - -- we end up with a messy search (all // in all path specs) - return result -end - -function resolvers.findwildcardfiles(filename,result) - return findwildcardfiles(filename,true,result) -end - -function resolvers.findwildcardfile(filename) - return findwildcardfiles(filename,false)[1] or "" -end - --- main user functions - -function resolvers.automount() - -- implemented later -end - -function resolvers.load(option) - statistics.starttiming(instance) - identify_configuration_files() - load_configuration_files() - if option ~= "nofiles" then - load_databases() - resolvers.automount() - end - statistics.stoptiming(instance) - local files = instance.files - return files and next(files) and true -end - -function resolvers.loadtime() - return statistics.elapsedtime(instance) -end - -local function report(str) - if trace_locating then - report_resolving(str) -- has already verbose - else - print(str) - end -end - -function resolvers.dowithfilesandreport(command, files, ...) -- will move - if files and #files > 0 then - if trace_locating then - report('') -- ? - end - if type(files) == "string" then - files = { files } - end - for f=1,#files do - local file = files[f] - local result = command(file,...) - if type(result) == 'string' then - report(result) - else - for i=1,#result do - report(result[i]) -- could be unpack - end - end - end - end -end - --- obsolete - --- resolvers.varvalue = resolvers.variable -- output the value of variable $STRING. --- resolvers.expandvar = resolvers.expansion -- output variable expansion of STRING. - -function resolvers.showpath(str) -- output search path for file type NAME - return joinpath(resolvers.expandedpathlist(resolvers.formatofvariable(str))) -end - -function resolvers.registerfile(files, name, path) - if files[name] then - if type(files[name]) == 'string' then - files[name] = { files[name], path } - else - files[name] = path - end - else - files[name] = path - end -end - -function resolvers.dowithpath(name,func) - local pathlist = resolvers.expandedpathlist(name) - for i=1,#pathlist do - func("^"..resolvers.cleanpath(pathlist[i])) - end -end - -function resolvers.dowithvariable(name,func) - func(expandedvariable(name)) -end - -function resolvers.locateformat(name) - local barename = file.removesuffix(name) -- gsub(name,"%.%a+$","") - local fmtname = caches.getfirstreadablefile(barename..".fmt","formats") or "" - if fmtname == "" then - fmtname = resolvers.findfile(barename..".fmt") - fmtname = resolvers.cleanpath(fmtname) - end - if fmtname ~= "" then - local barename = file.removesuffix(fmtname) - local luaname, lucname, luiname = barename .. ".lua", barename .. ".luc", barename .. ".lui" - if lfs.isfile(luiname) then - return barename, luiname - elseif lfs.isfile(lucname) then - return barename, lucname - elseif lfs.isfile(luaname) then - return barename, luaname - end - end - return nil, nil -end - -function resolvers.booleanvariable(str,default) - local b = resolvers.expansion(str) - if b == "" then - return default - else - b = toboolean(b) - return (b == nil and default) or b - end -end - -function resolvers.dowithfilesintree(pattern,handle,before,after) -- will move, can be a nice iterator instead - local instance = resolvers.instance - local hashes = instance.hashes - for i=1,#hashes do - local hash = hashes[i] - local blobtype = hash.type - local blobpath = hash.name - if blobpath then - if before then - before(blobtype,blobpath,pattern) - end - local files = instance.files[blobpath] - local total, checked, done = 0, 0, 0 - if files then - for k,v in next, files do - total = total + 1 - if find(k,"^remap:") then - k = files[k] - v = k -- files[k] -- chained - end - if find(k,pattern) then - if type(v) == "string" then - checked = checked + 1 - if handle(blobtype,blobpath,v,k) then - done = done + 1 - end - else - checked = checked + #v - for i=1,#v do - if handle(blobtype,blobpath,v[i],k) then - done = done + 1 - end - end - end - end - end - end - if after then - after(blobtype,blobpath,pattern,total,checked,done) - end - end - end -end - -resolvers.obsolete = resolvers.obsolete or { } -local obsolete = resolvers.obsolete - -resolvers.find_file = resolvers.findfile obsolete.find_file = resolvers.findfile -resolvers.find_files = resolvers.findfiles obsolete.find_files = resolvers.findfiles - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-pre'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- It could be interesting to hook the resolver in the file --- opener so that unresolved prefixes travel around and we --- get more abstraction. - --- As we use this beforehand we will move this up in the chain --- of loading. - - -local resolvers = resolvers -local prefixes = utilities.storage.allocate() -resolvers.prefixes = prefixes - -local gsub = string.gsub -local cleanpath, findgivenfile, expansion = resolvers.cleanpath, resolvers.findgivenfile, resolvers.expansion -local getenv = resolvers.getenv -- we can probably also use resolvers.expansion -local P, Cs, lpegmatch = lpeg.P, lpeg.Cs, lpeg.match - --- getenv = function(...) return resolvers.getenv(...) end -- needs checking (definitions changes later on) - -prefixes.environment = function(str) - return cleanpath(expansion(str)) -end - -prefixes.relative = function(str,n) -- lfs.isfile - if io.exists(str) then - -- nothing - elseif io.exists("./" .. str) then - str = "./" .. str - else - local p = "../" - for i=1,n or 2 do - if io.exists(p .. str) then - str = p .. str - break - else - p = p .. "../" - end - end - end - return cleanpath(str) -end - -prefixes.auto = function(str) - local fullname = prefixes.relative(str) - if not lfs.isfile(fullname) then - fullname = prefixes.locate(str) - end - return fullname -end - -prefixes.locate = function(str) - local fullname = findgivenfile(str) or "" - return cleanpath((fullname ~= "" and fullname) or str) -end - -prefixes.filename = function(str) - local fullname = findgivenfile(str) or "" - return cleanpath(file.basename((fullname ~= "" and fullname) or str)) -- no cleanpath needed here -end - -prefixes.pathname = function(str) - local fullname = findgivenfile(str) or "" - return cleanpath(file.dirname((fullname ~= "" and fullname) or str)) -end - -prefixes.selfautoloc = function(str) - return cleanpath(file.join(getenv('SELFAUTOLOC'),str)) -end - -prefixes.selfautoparent = function(str) - return cleanpath(file.join(getenv('SELFAUTOPARENT'),str)) -end - -prefixes.selfautodir = function(str) - return cleanpath(file.join(getenv('SELFAUTODIR'),str)) -end - -prefixes.home = function(str) - return cleanpath(file.join(getenv('HOME'),str)) -end - -prefixes.env = prefixes.environment -prefixes.rel = prefixes.relative -prefixes.loc = prefixes.locate -prefixes.kpse = prefixes.locate -prefixes.full = prefixes.locate -prefixes.file = prefixes.filename -prefixes.path = prefixes.pathname - -function resolvers.allprefixes(separator) - local all = table.sortedkeys(prefixes) - if separator then - for i=1,#all do - all[i] = all[i] .. ":" - end - end - return all -end - -local function _resolve_(method,target) - local action = prefixes[method] - if action then - return action(target) - else - return method .. ":" .. target - end -end - -local resolved, abstract = { }, { } - -function resolvers.resetresolve(str) - resolved, abstract = { }, { } -end - -local function resolve(str) -- use schemes, this one is then for the commandline only - local res = resolved[str] - if not res then - res = gsub(str,"([a-z][a-z]+):([^ \"\';]*)",_resolve_) -- home:xx;selfautoparent:xx; etc - resolved[str] = res - abstract[res] = str - end - return res -end - -local function unresolve(str) - return abstract[str] or str -end - -resolvers.resolve = resolve -resolvers.unresolve = unresolve - -if os.uname then - - for k, v in next, os.uname() do - if not prefixes[k] then - prefixes[k] = function() return v end - end - end - -end - -if os.type == "unix" then - - local pattern - - local function makepattern(t,k,v) - local colon = P(":") - local p - for k, v in table.sortedpairs(prefixes) do - if p then - p = P(k) + p - else - p = P(k) - end - end - pattern = Cs((p * colon + colon/";" + P(1))^0) - if t then - t[k] = v - end - end - - makepattern() - - getmetatable(prefixes).__newindex = makepattern - - function resolvers.repath(str) - return lpegmatch(pattern,str) - end - -else -- already the default: - - function resolvers.repath(str) - return str - end - -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-inp'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local allocate = utilities.storage.allocate -local resolvers = resolvers - -local methodhandler = resolvers.methodhandler -local registermethod = resolvers.registermethod - -local finders = allocate { helpers = { }, notfound = function() end } -local openers = allocate { helpers = { }, notfound = function() end } -local loaders = allocate { helpers = { }, notfound = function() return false, nil, 0 end } - -registermethod("finders", finders, "uri") -registermethod("openers", openers, "uri") -registermethod("loaders", loaders, "uri") - -resolvers.finders = finders -resolvers.openers = openers -resolvers.loaders = loaders - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-out'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local allocate = utilities.storage.allocate -local resolvers = resolvers - -local registermethod = resolvers.registermethod - -local savers = allocate { helpers = { } } - -resolvers.savers = savers - -registermethod("savers", savers, "uri") - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-fil'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) - -local report_files = logs.reporter("resolvers","files") - -local resolvers = resolvers - -local finders, openers, loaders, savers = resolvers.finders, resolvers.openers, resolvers.loaders, resolvers.savers -local locators, hashers, generators, concatinators = resolvers.locators, resolvers.hashers, resolvers.generators, resolvers.concatinators - -local checkgarbage = utilities.garbagecollector and utilities.garbagecollector.check - -function locators.file(specification) - local name = specification.filename - local realname = resolvers.resolve(name) -- no shortcut - if realname and realname ~= '' and lfs.isdir(realname) then - if trace_locating then - report_files("file locator '%s' found as '%s'",name,realname) - end - resolvers.appendhash('file',name,true) -- cache - elseif trace_locating then - report_files("file locator '%s' not found",name) - end -end - -function hashers.file(specification) - local name = specification.filename - local content = caches.loadcontent(name,'files') - resolvers.registerfilehash(name,content,content==nil) -end - -function generators.file(specification) - local path = specification.filename - local content = resolvers.scanfiles(path,false,true) -- scan once - resolvers.registerfilehash(path,content,true) -end - -concatinators.file = file.join - -function finders.file(specification,filetype) - local filename = specification.filename - local foundname = resolvers.findfile(filename,filetype) - if foundname and foundname ~= "" then - if trace_locating then - report_files("file finder: '%s' found",filename) - end - return foundname - else - if trace_locating then - report_files("file finder: %s' not found",filename) - end - return finders.notfound() - end -end - --- The default textopener will be overloaded later on. - -function openers.helpers.textopener(tag,filename,f) - return { - reader = function() return f:read () end, - close = function() logs.show_close(filename) return f:close() end, - } -end - -function openers.file(specification,filetype) - local filename = specification.filename - if filename and filename ~= "" then - local f = io.open(filename,"r") - if f then - if trace_locating then - report_files("file opener, '%s' opened",filename) - end - return openers.helpers.textopener("file",filename,f) - end - end - if trace_locating then - report_files("file opener, '%s' not found",filename) - end - return openers.notfound() -end - -function loaders.file(specification,filetype) - local filename = specification.filename - if filename and filename ~= "" then - local f = io.open(filename,"rb") - if f then - logs.show_load(filename) - if trace_locating then - report_files("file loader, '%s' loaded",filename) - end - local s = f:read("*a") - if checkgarbage then - checkgarbage(#s) - end - f:close() - if s then - return true, s, #s - end - end - end - if trace_locating then - report_files("file loader, '%s' not found",filename) - end - return loaders.notfound() -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-con'] = { - version = 1.100, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local format, lower, gsub = string.format, string.lower, string.gsub - -local trace_cache = false trackers.register("resolvers.cache", function(v) trace_cache = v end) -local trace_containers = false trackers.register("resolvers.containers", function(v) trace_containers = v end) -local trace_storage = false trackers.register("resolvers.storage", function(v) trace_storage = v end) - ---[[ldx-- -<p>Once we found ourselves defining similar cache constructs -several times, containers were introduced. Containers are used -to collect tables in memory and reuse them when possible based -on (unique) hashes (to be provided by the calling function).</p> - -<p>Caching to disk is disabled by default. Version numbers are -stored in the saved table which makes it possible to change the -table structures without bothering about the disk cache.</p> - -<p>Examples of usage can be found in the font related code.</p> ---ldx]]-- - -containers = containers or { } -local containers = containers -containers.usecache = true - -local report_containers = logs.reporter("resolvers","containers") - -local function report(container,tag,name) - if trace_cache or trace_containers then - report_containers("container: %s, tag: %s, name: %s",container.subcategory,tag,name or 'invalid') - end -end - -local allocated = { } - -local mt = { - __index = function(t,k) - if k == "writable" then - local writable = caches.getwritablepath(t.category,t.subcategory) or { "." } - t.writable = writable - return writable - elseif k == "readables" then - local readables = caches.getreadablepaths(t.category,t.subcategory) or { "." } - t.readables = readables - return readables - end - end, - __storage__ = true -} - -function containers.define(category, subcategory, version, enabled) - if category and subcategory then - local c = allocated[category] - if not c then - c = { } - allocated[category] = c - end - local s = c[subcategory] - if not s then - s = { - category = category, - subcategory = subcategory, - storage = { }, - enabled = enabled, - version = version or math.pi, -- after all, this is TeX - trace = false, - -- writable = caches.getwritablepath and caches.getwritablepath (category,subcategory) or { "." }, - -- readables = caches.getreadablepaths and caches.getreadablepaths(category,subcategory) or { "." }, - } - setmetatable(s,mt) - c[subcategory] = s - end - return s - end -end - -function containers.is_usable(container, name) - return container.enabled and caches and caches.is_writable(container.writable, name) -end - -function containers.is_valid(container, name) - if name and name ~= "" then - local storage = container.storage[name] - return storage and storage.cache_version == container.version - else - return false - end -end - -function containers.read(container,name) - local storage = container.storage - local stored = storage[name] - if not stored and container.enabled and caches and containers.usecache then - stored = caches.loaddata(container.readables,name) - if stored and stored.cache_version == container.version then - report(container,"loaded",name) - else - stored = nil - end - storage[name] = stored - elseif stored then - report(container,"reusing",name) - end - return stored -end - -function containers.write(container, name, data) - if data then - data.cache_version = container.version - if container.enabled and caches then - local unique, shared = data.unique, data.shared - data.unique, data.shared = nil, nil - caches.savedata(container.writable, name, data) - report(container,"saved",name) - data.unique, data.shared = unique, shared - end - report(container,"stored",name) - container.storage[name] = data - end - return data -end - -function containers.content(container,name) - return container.storage[name] -end - -function containers.cleanname(name) - return (gsub(lower(name),"[^%w%d]+","-")) -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-use'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local format, lower, gsub, find = string.format, string.lower, string.gsub, string.find - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) - -local report_mounts = logs.reporter("resolvers","mounts") - -local resolvers = resolvers - --- we will make a better format, maybe something xml or just text or lua - -resolvers.automounted = resolvers.automounted or { } - -function resolvers.automount(usecache) - local mountpaths = resolvers.cleanpathlist(resolvers.expansion('TEXMFMOUNT')) - if (not mountpaths or #mountpaths == 0) and usecache then - mountpaths = caches.getreadablepaths("mount") - end - if mountpaths and #mountpaths > 0 then - statistics.starttiming(resolvers.instance) - for k=1,#mountpaths do - local root = mountpaths[k] - local f = io.open(root.."/url.tmi") - if f then - for line in f:lines() do - if line then - if find(line,"^[%%#%-]") then -- or %W - -- skip - elseif find(line,"^zip://") then - if trace_locating then - report_mounts("mounting %s",line) - end - table.insert(resolvers.automounted,line) - resolvers.usezipfile(line) - end - end - end - f:close() - end - end - statistics.stoptiming(resolvers.instance) - end -end - --- status info - -statistics.register("used config file", function() return caches.configfiles() end) -statistics.register("used cache path", function() return caches.usedpaths() end) - --- experiment (code will move) - -function statistics.savefmtstatus(texname,formatbanner,sourcefile) -- texname == formatname - local enginebanner = status.list().banner - if formatbanner and enginebanner and sourcefile then - local luvname = file.replacesuffix(texname,"luv") - local luvdata = { - enginebanner = enginebanner, - formatbanner = formatbanner, - sourcehash = md5.hex(io.loaddata(resolvers.findfile(sourcefile)) or "unknown"), - sourcefile = sourcefile, - } - io.savedata(luvname,table.serialize(luvdata,true)) - end -end - -function statistics.checkfmtstatus(texname) - local enginebanner = status.list().banner - if enginebanner and texname then - local luvname = file.replacesuffix(texname,"luv") - if lfs.isfile(luvname) then - local luv = dofile(luvname) - if luv and luv.sourcefile then - local sourcehash = md5.hex(io.loaddata(resolvers.findfile(luv.sourcefile)) or "unknown") - local luvbanner = luv.enginebanner or "?" - if luvbanner ~= enginebanner then - return format("engine mismatch (luv: %s <> bin: %s)",luvbanner,enginebanner) - end - local luvhash = luv.sourcehash or "?" - if luvhash ~= sourcehash then - return format("source mismatch (luv: %s <> bin: %s)",luvhash,sourcehash) - end - else - return "invalid status file" - end - else - return "missing status file" - end - end - return true -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-zip'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- partly redone .. needs testing - -local format, find, match = string.format, string.find, string.match - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) - -local report_zip = logs.reporter("resolvers","zip") - --- zip:///oeps.zip?name=bla/bla.tex --- zip:///oeps.zip?tree=tex/texmf-local --- zip:///texmf.zip?tree=/tex/texmf --- zip:///texmf.zip?tree=/tex/texmf-local --- zip:///texmf-mine.zip?tree=/tex/texmf-projects - -local resolvers = resolvers - -zip = zip or { } -local zip = zip - -zip.archives = zip.archives or { } -local archives = zip.archives - -zip.registeredfiles = zip.registeredfiles or { } -local registeredfiles = zip.registeredfiles - -local limited = false - -directives.register("system.inputmode", function(v) - if not limited then - local i_limiter = io.i_limiter(v) - if i_limiter then - zip.open = i_limiter.protect(zip.open) - limited = true - end - end -end) - -local function validzip(str) -- todo: use url splitter - if not find(str,"^zip://") then - return "zip:///" .. str - else - return str - end -end - -function zip.openarchive(name) - if not name or name == "" then - return nil - else - local arch = archives[name] - if not arch then - local full = resolvers.findfile(name) or "" - arch = (full ~= "" and zip.open(full)) or false - archives[name] = arch - end - return arch - end -end - -function zip.closearchive(name) - if not name or (name == "" and archives[name]) then - zip.close(archives[name]) - archives[name] = nil - end -end - -function resolvers.locators.zip(specification) - local archive = specification.filename - local zipfile = archive and archive ~= "" and zip.openarchive(archive) -- tricky, could be in to be initialized tree - if trace_locating then - if zipfile then - report_zip("locator, archive '%s' found",archive) - else - report_zip("locator, archive '%s' not found",archive) - end - end -end - -function resolvers.hashers.zip(specification) - local archive = specification.filename - if trace_locating then - report_zip("loading file '%s'",archive) - end - resolvers.usezipfile(specification.original) -end - -function resolvers.concatinators.zip(zipfile,path,name) -- ok ? - if not path or path == "" then - return format('%s?name=%s',zipfile,name) - else - return format('%s?name=%s/%s',zipfile,path,name) - end -end - -function resolvers.finders.zip(specification) - local original = specification.original - local archive = specification.filename - if archive then - local query = url.query(specification.query) - local queryname = query.name - if queryname then - local zfile = zip.openarchive(archive) - if zfile then - if trace_locating then - report_zip("finder, archive '%s' found",archive) - end - local dfile = zfile:open(queryname) - if dfile then - dfile = zfile:close() - if trace_locating then - report_zip("finder, file '%s' found",queryname) - end - return specification.original - elseif trace_locating then - report_zip("finder, file '%s' not found",queryname) - end - elseif trace_locating then - report_zip("finder, unknown archive '%s'",archive) - end - end - end - if trace_locating then - report_zip("finder, '%s' not found",original) - end - return resolvers.finders.notfound() -end - -function resolvers.openers.zip(specification) - local original = specification.original - local archive = specification.filename - if archive then - local query = url.query(specification.query) - local queryname = query.name - if queryname then - local zfile = zip.openarchive(archive) - if zfile then - if trace_locating then - report_zip("opener, archive '%s' opened",archive) - end - local dfile = zfile:open(queryname) - if dfile then - if trace_locating then - report_zip("opener, file '%s' found",queryname) - end - return resolvers.openers.helpers.textopener('zip',original,dfile) - elseif trace_locating then - report_zip("opener, file '%s' not found",queryname) - end - elseif trace_locating then - report_zip("opener, unknown archive '%s'",archive) - end - end - end - if trace_locating then - report_zip("opener, '%s' not found",original) - end - return resolvers.openers.notfound() -end - -function resolvers.loaders.zip(specification) - local original = specification.original - local archive = specification.filename - if archive then - local query = url.query(specification.query) - local queryname = query.name - if queryname then - local zfile = zip.openarchive(archive) - if zfile then - if trace_locating then - report_zip("loader, archive '%s' opened",archive) - end - local dfile = zfile:open(queryname) - if dfile then - logs.show_load(original) - if trace_locating then - report_zip("loader, file '%s' loaded",original) - end - local s = dfile:read("*all") - dfile:close() - return true, s, #s - elseif trace_locating then - report_zip("loader, file '%s' not found",queryname) - end - elseif trace_locating then - report_zip("loader, unknown archive '%s'",archive) - end - end - end - if trace_locating then - report_zip("loader, '%s' not found",original) - end - return resolvers.openers.notfound() -end - --- zip:///somefile.zip --- zip:///somefile.zip?tree=texmf-local -> mount - -function resolvers.usezipfile(archive) - local specification = resolvers.splitmethod(archive) -- to be sure - local archive = specification.filename - if archive and not registeredfiles[archive] then - local z = zip.openarchive(archive) - if z then - local tree = url.query(specification.query).tree or "" - if trace_locating then - report_zip("registering, registering archive '%s'",archive) - end - statistics.starttiming(resolvers.instance) - resolvers.prependhash('zip',archive) - resolvers.extendtexmfvariable(archive) -- resets hashes too - registeredfiles[archive] = z - instance.files[archive] = resolvers.registerzipfile(z,tree) - statistics.stoptiming(resolvers.instance) - elseif trace_locating then - report_zip("registering, unknown archive '%s'",archive) - end - elseif trace_locating then - report_zip("registering, '%s' not found",archive) - end -end - -function resolvers.registerzipfile(z,tree) - local files, filter = { }, "" - if tree == "" then - filter = "^(.+)/(.-)$" - else - filter = format("^%s/(.+)/(.-)$",tree) - end - if trace_locating then - report_zip("registering, using filter '%s'",filter) - end - local register, n = resolvers.registerfile, 0 - for i in z:files() do - local path, name = match(i.filename,filter) - if path then - if name and name ~= '' then - register(files, name, path) - n = n + 1 - else - -- directory - end - else - register(files, i.filename, '') - n = n + 1 - end - end - report_zip("registering, %s files registered",n) - return files -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-tre'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- \input tree://oeps1/**/oeps.tex - -local find, gsub, format = string.find, string.gsub, string.format - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) - -local report_trees = logs.reporter("resolvers","trees") - -local resolvers = resolvers - -local done, found, notfound = { }, { }, resolvers.finders.notfound - -function resolvers.finders.tree(specification) - local spec = specification.filename - local fnd = found[spec] - if fnd == nil then - if spec ~= "" then - local path, name = file.dirname(spec), file.basename(spec) - if path == "" then path = "." end - local hash = done[path] - if not hash then - local pattern = path .. "/*" -- we will use the proper splitter - hash = dir.glob(pattern) - done[path] = hash - end - local pattern = "/" .. gsub(name,"([%.%-%+])", "%%%1") .. "$" - for k=1,#hash do - local v = hash[k] - if find(v,pattern) then - found[spec] = v - return v - end - end - end - fnd = notfound() -- false - found[spec] = fnd - end - return fnd -end - -function resolvers.locators.tree(specification) - local name = specification.filename - local realname = resolvers.resolve(name) -- no shortcut - if realname and realname ~= '' and lfs.isdir(realname) then - if trace_locating then - report_trees("locator '%s' found",realname) - end - resolvers.appendhash('tree',name,false) -- don't cache - elseif trace_locating then - report_trees("locator '%s' not found",name) - end -end - -function resolvers.hashers.tree(specification) - local name = specification.filename - if trace_locating then - report_trees("analysing '%s'",name) - end - resolvers.methodhandler("hashers",name) - - resolvers.generators.file(specification) -end - -resolvers.concatinators.tree = resolvers.concatinators.file -resolvers.generators.tree = resolvers.generators.file -resolvers.openers.tree = resolvers.openers.file -resolvers.loaders.tree = resolvers.loaders.file - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-crl'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- this one is replaced by data-sch.lua -- - -local gsub = string.gsub - -local resolvers = resolvers - -local finders, openers, loaders = resolvers.finders, resolvers.openers, resolvers.loaders - -resolvers.curl = resolvers.curl or { } -local curl = resolvers.curl - -local cached = { } - -local function runcurl(specification) - local original = specification.original - -- local scheme = specification.scheme - local cleanname = gsub(original,"[^%a%d%.]+","-") - local cachename = caches.setfirstwritablefile(cleanname,"curl") - if not cached[original] then - if not io.exists(cachename) then - cached[original] = cachename - local command = "curl --silent --create-dirs --output " .. cachename .. " " .. original - os.spawn(command) - end - if io.exists(cachename) then - cached[original] = cachename - else - cached[original] = "" - end - end - return cached[original] -end - --- old code: we could be cleaner using specification (see schemes) - -local function finder(specification,filetype) - return resolvers.methodhandler("finders",runcurl(specification),filetype) -end - -local opener = openers.file -local loader = loaders.file - -local function install(scheme) - finders[scheme] = finder - openers[scheme] = opener - loaders[scheme] = loader -end - -resolvers.curl.install = install - -install('http') -install('https') -install('ftp') - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-lua'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- some loading stuff ... we might move this one to slot 2 depending --- on the developments (the loaders must not trigger kpse); we could --- of course use a more extensive lib path spec - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) - -local report_libraries = logs.reporter("resolvers","libraries") - -local gsub, insert = string.gsub, table.insert -local unpack = unpack or table.unpack - -local resolvers, package = resolvers, package - -local libformats = { 'luatexlibs', 'tex', 'texmfscripts', 'othertextfiles' } -- 'luainputs' -local clibformats = { 'lib' } - -local _path_, libpaths, _cpath_, clibpaths - -function package.libpaths() - if not _path_ or package.path ~= _path_ then - _path_ = package.path - libpaths = file.splitpath(_path_,";") - end - return libpaths -end - -function package.clibpaths() - if not _cpath_ or package.cpath ~= _cpath_ then - _cpath_ = package.cpath - clibpaths = file.splitpath(_cpath_,";") - end - return clibpaths -end - -local function thepath(...) - local t = { ... } t[#t+1] = "?.lua" - local path = file.join(unpack(t)) - if trace_locating then - report_libraries("! appending '%s' to 'package.path'",path) - end - return path -end - -local p_libpaths, a_libpaths = { }, { } - -function package.appendtolibpath(...) - insert(a_libpath,thepath(...)) -end - -function package.prependtolibpath(...) - insert(p_libpaths,1,thepath(...)) -end - --- beware, we need to return a loadfile result ! - -local function loaded(libpaths,name,simple) - for i=1,#libpaths do -- package.path, might become option - local libpath = libpaths[i] - local resolved = gsub(libpath,"%?",simple) - if trace_locating then -- more detail - report_libraries("! checking for '%s' on 'package.path': '%s' => '%s'",simple,libpath,resolved) - end - if file.is_readable(resolved) then - if trace_locating then - report_libraries("! lib '%s' located via 'package.path': '%s'",name,resolved) - end - return loadfile(resolved) - end - end -end - -package.loaders[2] = function(name) -- was [#package.loaders+1] - if file.suffix(name) == "" then - name = file.addsuffix(name,"lua") -- maybe a list - if trace_locating then -- mode detail - report_libraries("! locating '%s' with forced suffix",name) - end - else - if trace_locating then -- mode detail - report_libraries("! locating '%s'",name) - end - end - for i=1,#libformats do - local format = libformats[i] - local resolved = resolvers.findfile(name,format) or "" - if trace_locating then -- mode detail - report_libraries("! checking for '%s' using 'libformat path': '%s'",name,format) - end - if resolved ~= "" then - if trace_locating then - report_libraries("! lib '%s' located via environment: '%s'",name,resolved) - end - return loadfile(resolved) - end - end - -- libpaths - local libpaths, clibpaths = package.libpaths(), package.clibpaths() - local simple = gsub(name,"%.lua$","") - local simple = gsub(simple,"%.","/") - local resolved = loaded(p_libpaths,name,simple) or loaded(libpaths,name,simple) or loaded(a_libpaths,name,simple) - if resolved then - return resolved - end - -- - local libname = file.addsuffix(simple,os.libsuffix) - for i=1,#clibformats do - -- better have a dedicated loop - local format = clibformats[i] - local paths = resolvers.expandedpathlistfromvariable(format) - for p=1,#paths do - local path = paths[p] - local resolved = file.join(path,libname) - if trace_locating then -- mode detail - report_libraries("! checking for '%s' using 'clibformat path': '%s'",libname,path) - end - if file.is_readable(resolved) then - if trace_locating then - report_libraries("! lib '%s' located via 'clibformat': '%s'",libname,resolved) - end - return package.loadlib(resolved,name) - end - end - end - for i=1,#clibpaths do -- package.path, might become option - local libpath = clibpaths[i] - local resolved = gsub(libpath,"?",simple) - if trace_locating then -- more detail - report_libraries("! checking for '%s' on 'package.cpath': '%s'",simple,libpath) - end - if file.is_readable(resolved) then - if trace_locating then - report_libraries("! lib '%s' located via 'package.cpath': '%s'",name,resolved) - end - return package.loadlib(resolved,name) - end - end - -- just in case the distribution is messed up - if trace_loading then -- more detail - report_libraries("! checking for '%s' using 'luatexlibs': '%s'",name) - end - local resolved = resolvers.findfile(file.basename(name),'luatexlibs') or "" - if resolved ~= "" then - if trace_locating then - report_libraries("! lib '%s' located by basename via environment: '%s'",name,resolved) - end - return loadfile(resolved) - end - if trace_locating then - report_libraries('? unable to locate lib: %s',name) - end --- return "unable to locate " .. name -end - -resolvers.loadlualib = require - --- -- -- -- - -package.obsolete = package.obsolete or { } - -package.append_libpath = appendtolibpath -- will become obsolete -package.prepend_libpath = prependtolibpath -- will become obsolete - -package.obsolete.append_libpath = appendtolibpath -- will become obsolete -package.obsolete.prepend_libpath = prependtolibpath -- will become obsolete - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-aux'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local find = string.find -local type, next = type, next - -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) - -local resolvers = resolvers - -local report_scripts = logs.reporter("resolvers","scripts") - -function resolvers.updatescript(oldname,newname) -- oldname -> own.name, not per se a suffix - local scriptpath = "scripts/context/lua" - newname = file.addsuffix(newname,"lua") - local oldscript = resolvers.cleanpath(oldname) - if trace_locating then - report_scripts("to be replaced old script %s", oldscript) - end - local newscripts = resolvers.findfiles(newname) or { } - if #newscripts == 0 then - if trace_locating then - report_scripts("unable to locate new script") - end - else - for i=1,#newscripts do - local newscript = resolvers.cleanpath(newscripts[i]) - if trace_locating then - report_scripts("checking new script %s", newscript) - end - if oldscript == newscript then - if trace_locating then - report_scripts("old and new script are the same") - end - elseif not find(newscript,scriptpath) then - if trace_locating then - report_scripts("new script should come from %s",scriptpath) - end - elseif not (find(oldscript,file.removesuffix(newname).."$") or find(oldscript,newname.."$")) then - if trace_locating then - report_scripts("invalid new script name") - end - else - local newdata = io.loaddata(newscript) - if newdata then - if trace_locating then - report_scripts("old script content replaced by new content") - end - io.savedata(oldscript,newdata) - break - elseif trace_locating then - report_scripts("unable to load new script") - end - end - end - end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-tmf'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local resolvers = resolvers - -local report_tds = logs.reporter("resolvers","tds") - --- = << --- ? ?? --- < += --- > =+ - -function resolvers.load_tree(tree,resolve) - if type(tree) == "string" and tree ~= "" then - - local getenv, setenv = resolvers.getenv, resolvers.setenv - - -- later might listen to the raw osenv var as well - local texos = "texmf-" .. os.platform - - local oldroot = environment.texroot - local newroot = file.collapsepath(tree) - - local newtree = file.join(newroot,texos) - local newpath = file.join(newtree,"bin") - - if not lfs.isdir(newtree) then - report_tds("no '%s' under tree %s",texos,tree) - os.exit() - end - if not lfs.isdir(newpath) then - report_tds("no '%s/bin' under tree %s",texos,tree) - os.exit() - end - - local texmfos = newtree - - environment.texroot = newroot - environment.texos = texos - environment.texmfos = texmfos - - -- Beware, we need to obey the relocatable autoparent so we - -- set TEXMFCNF to its raw value. This is somewhat tricky when - -- we run a mkii job from within. Therefore, in mtxrun, there - -- is a resolve applied when we're in mkii/kpse mode or when - -- --resolve is passed to mtxrun. Maybe we should also set the - -- local AUTOPARENT etc. although these are alwasy set new. - - if resolve then - resolvers.luacnfspec = resolvers.resolve(resolvers.luacnfspec) - end - - setenv('SELFAUTOPARENT', newroot) - setenv('SELFAUTODIR', newtree) - setenv('SELFAUTOLOC', newpath) - setenv('TEXROOT', newroot) - setenv('TEXOS', texos) - setenv('TEXMFOS', texmfos) - setenv('TEXMFCNF', resolvers.luacnfspec,true) -- already resolved - setenv('PATH', newpath .. io.pathseparator .. getenv('PATH')) - - report_tds("changing from root '%s' to '%s'",oldroot,newroot) - report_tds("prepending '%s' to PATH",newpath) - report_tds("setting TEXMFCNF to '%s'",resolvers.luacnfspec) - report_tds() - end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['data-lst'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- used in mtxrun, can be loaded later .. todo - -local find, concat, upper, format = string.find, table.concat, string.upper, string.format -local fastcopy, sortedpairs = table.fastcopy, table.sortedpairs - -resolvers.listers = resolvers.listers or { } - -local resolvers = resolvers - -local report_lists = logs.reporter("resolvers","lists") - -local function tabstr(str) - if type(str) == 'table' then - return concat(str," | ") - else - return str - end -end - -function resolvers.listers.variables(pattern) - local instance = resolvers.instance - local environment = instance.environment - local variables = instance.variables - local expansions = instance.expansions - local pattern = upper(pattern or "") - local configured = { } - local order = instance.order - for i=1,#order do - for k, v in next, order[i] do - if v ~= nil and configured[k] == nil then - configured[k] = v - end - end - end - local env = fastcopy(environment) - local var = fastcopy(variables) - local exp = fastcopy(expansions) - for key, value in sortedpairs(configured) do - if key ~= "" and (pattern == "" or find(upper(key),pattern)) then - report_lists(key) - report_lists(" env: %s",tabstr(rawget(environment,key)) or "unset") - report_lists(" var: %s",tabstr(configured[key]) or "unset") - report_lists(" exp: %s",tabstr(expansions[key]) or "unset") - report_lists(" res: %s",resolvers.resolve(expansions[key]) or "unset") - end - end - instance.environment = fastcopy(env) - instance.variables = fastcopy(var) - instance.expansions = fastcopy(exp) -end - -function resolvers.listers.configurations(report) - local configurations = resolvers.instance.specification - local report = report or texio.write_nl - for i=1,#configurations do - report(resolvers.resolve(configurations[i])) - end -end - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['luat-sta'] = { - version = 1.001, - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- this code is used in the updater - -local gmatch, match = string.gmatch, string.match -local type = type - -states = states or { } -local states = states - -states.data = states.data or { } -local data = states.data - -states.hash = states.hash or { } -local hash = states.hash - -states.tag = states.tag or "" -states.filename = states.filename or "" - -function states.save(filename,tag) - tag = tag or states.tag - filename = file.addsuffix(filename or states.filename,'lus') - io.savedata(filename, - "-- generator : luat-sta.lua\n" .. - "-- state tag : " .. tag .. "\n\n" .. - table.serialize(data[tag or states.tag] or {},true) - ) -end - -function states.load(filename,tag) - states.filename = filename - states.tag = tag or "whatever" - states.filename = file.addsuffix(states.filename,'lus') - data[states.tag], hash[states.tag] = (io.exists(filename) and dofile(filename)) or { }, { } -end - -local function set_by_tag(tag,key,value,default,persistent) - local d, h = data[tag], hash[tag] - if d then - if type(d) == "table" then - local dkey, hkey = key, key - local pre, post = match(key,"(.+)%.([^%.]+)$") - if pre and post then - for k in gmatch(pre,"[^%.]+") do - local dk = d[k] - if not dk then - dk = { } - d[k] = dk - elseif type(dk) == "string" then - -- invalid table, unable to upgrade structure - -- hope for the best or delete the state file - break - end - d = dk - end - dkey, hkey = post, key - end - if value == nil then - value = default - elseif value == false then - -- special case - elseif persistent then - value = value or d[dkey] or default - else - value = value or default - end - d[dkey], h[hkey] = value, value - elseif type(d) == "string" then - -- weird - data[tag], hash[tag] = value, value - end - end -end - -local function get_by_tag(tag,key,default) - local h = hash[tag] - if h and h[key] then - return h[key] - else - local d = data[tag] - if d then - for k in gmatch(key,"[^%.]+") do - local dk = d[k] - if dk ~= nil then - d = dk - else - return default - end - end - if d == false then - return false - else - return d or default - end - end - end -end - -states.set_by_tag = set_by_tag -states.get_by_tag = get_by_tag - -function states.set(key,value,default,persistent) - set_by_tag(states.tag,key,value,default,persistent) -end - -function states.get(key,default) - return get_by_tag(states.tag,key,default) -end - - - - - -end -- of closure - -do -- create closure to overcome 200 locals limit - -if not modules then modules = { } end modules ['luat-fmt'] = { - version = 1.001, - comment = "companion to mtxrun", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - - -local format = string.format - -local report_format = logs.reporter("resolvers","formats") - --- helper for mtxrun - -local quoted = string.quoted - -local function primaryflags() -- not yet ok - local trackers = environment.argument("trackers") - local directives = environment.argument("directives") - local flags = "" - if trackers and trackers ~= "" then - flags = flags .. "--trackers=" .. quoted(trackers) - end - if directives and directives ~= "" then - flags = flags .. "--directives=" .. quoted(directives) - end - return flags -end - -function environment.make_format(name) - -- change to format path (early as we need expanded paths) - local olddir = lfs.currentdir() - local path = caches.getwritablepath("formats") or "" -- maybe platform - if path ~= "" then - lfs.chdir(path) - end - report_format("format path: %s",lfs.currentdir()) - -- check source file - local texsourcename = file.addsuffix(name,"mkiv") - local fulltexsourcename = resolvers.findfile(texsourcename,"tex") or "" - if fulltexsourcename == "" then - texsourcename = file.addsuffix(name,"tex") - fulltexsourcename = resolvers.findfile(texsourcename,"tex") or "" - end - if fulltexsourcename == "" then - report_format("no tex source file with name: %s (mkiv or tex)",name) - lfs.chdir(olddir) - return - else - report_format("using tex source file: %s",fulltexsourcename) - end - local texsourcepath = dir.expandname(file.dirname(fulltexsourcename)) -- really needed - -- check specification - local specificationname = file.replacesuffix(fulltexsourcename,"lus") - local fullspecificationname = resolvers.findfile(specificationname,"tex") or "" - if fullspecificationname == "" then - specificationname = file.join(texsourcepath,"context.lus") - fullspecificationname = resolvers.findfile(specificationname,"tex") or "" - end - if fullspecificationname == "" then - report_format("unknown stub specification: %s",specificationname) - lfs.chdir(olddir) - return - end - local specificationpath = file.dirname(fullspecificationname) - -- load specification - local usedluastub = nil - local usedlualibs = dofile(fullspecificationname) - if type(usedlualibs) == "string" then - usedluastub = file.join(file.dirname(fullspecificationname),usedlualibs) - elseif type(usedlualibs) == "table" then - report_format("using stub specification: %s",fullspecificationname) - local texbasename = file.basename(name) - local luastubname = file.addsuffix(texbasename,"lua") - local lucstubname = file.addsuffix(texbasename,"luc") - -- pack libraries in stub - report_format("creating initialization file: %s",luastubname) - utilities.merger.selfcreate(usedlualibs,specificationpath,luastubname) - -- compile stub file (does not save that much as we don't use this stub at startup any more) - local strip = resolvers.booleanvariable("LUACSTRIP", true) - if utilities.lua.compile(luastubname,lucstubname) and lfs.isfile(lucstubname) then - report_format("using compiled initialization file: %s",lucstubname) - usedluastub = lucstubname - else - report_format("using uncompiled initialization file: %s",luastubname) - usedluastub = luastubname - end - else - report_format("invalid stub specification: %s",fullspecificationname) - lfs.chdir(olddir) - return - end - -- generate format - local command = format("luatex --ini %s --lua=%s %s %sdump",primaryflags(),quoted(usedluastub),quoted(fulltexsourcename),os.platform == "unix" and "\\\\" or "\\") - report_format("running command: %s\n",command) - os.spawn(command) - -- remove related mem files - local pattern = file.removesuffix(file.basename(usedluastub)).."-*.mem" - -- report_format("removing related mplib format with pattern '%s'", pattern) - local mp = dir.glob(pattern) - if mp then - for i=1,#mp do - local name = mp[i] - report_format("removing related mplib format %s", file.basename(name)) - os.remove(name) - end - end - lfs.chdir(olddir) -end - -function environment.run_format(name,data,more) - -- hm, rather old code here; we can now use the file.whatever functions - if name and name ~= "" then - local barename = file.removesuffix(name) - local fmtname = caches.getfirstreadablefile(file.addsuffix(barename,"fmt"),"formats") - if fmtname == "" then - fmtname = resolvers.findfile(file.addsuffix(barename,"fmt")) or "" - end - fmtname = resolvers.cleanpath(fmtname) - if fmtname == "" then - report_format("no format with name: %s",name) - else - local barename = file.removesuffix(name) -- expanded name - local luaname = file.addsuffix(barename,"luc") - if not lfs.isfile(luaname) then - luaname = file.addsuffix(barename,"lua") - end - if not lfs.isfile(luaname) then - report_format("using format name: %s",fmtname) - report_format("no luc/lua with name: %s",barename) - else - local command = format("luatex %s --fmt=%s --lua=%s %s %s",primaryflags(),quoted(barename),quoted(luaname),quoted(data),more ~= "" and quoted(more) or "") - report_format("running command: %s",command) - os.spawn(command) - end - end - end -end - - -end -- of closure --- end library merge - -own = { } -- not local, might change - -own.libs = { -- order can be made better - - 'l-string.lua', - 'l-table.lua', - 'l-lpeg.lua', - 'l-io.lua', - 'l-number.lua', - 'l-set.lua', - 'l-os.lua', - 'l-file.lua', - 'l-md5.lua', - 'l-url.lua', - 'l-dir.lua', - 'l-boolean.lua', - 'l-unicode.lua', - 'l-math.lua', - - 'util-tab.lua', - 'util-sto.lua', - 'util-mrg.lua', - 'util-lua.lua', - 'util-prs.lua', - 'util-fmt.lua', - 'util-deb.lua', - - 'trac-inf.lua', - 'trac-set.lua', - 'trac-log.lua', - 'trac-pro.lua', - - 'luat-env.lua', -- can come before inf (as in mkiv) - - 'lxml-tab.lua', - 'lxml-lpt.lua', - -- 'lxml-ent.lua', - 'lxml-mis.lua', - 'lxml-aux.lua', - 'lxml-xml.lua', - - 'data-ini.lua', - 'data-exp.lua', - 'data-env.lua', - 'data-tmp.lua', - 'data-met.lua', - 'data-res.lua', - 'data-pre.lua', - 'data-inp.lua', - 'data-out.lua', - 'data-fil.lua', - 'data-con.lua', - 'data-use.lua', --- 'data-tex.lua', --- 'data-bin.lua', - 'data-zip.lua', - 'data-tre.lua', - 'data-crl.lua', - 'data-lua.lua', - 'data-aux.lua', -- updater - 'data-tmf.lua', - 'data-lst.lua', - - 'luat-sta.lua', - 'luat-fmt.lua', -} - --- We need this hack till luatex is fixed. --- --- for k,v in pairs(arg) do print(k,v) end - -if arg and (arg[0] == 'luatex' or arg[0] == 'luatex.exe') and arg[1] == "--luaonly" then - arg[-1]=arg[0] arg[0]=arg[2] for k=3,#arg do arg[k-2]=arg[k] end arg[#arg]=nil arg[#arg]=nil -end - --- End of hack. - -local format, gsub, gmatch, match, find = string.format, string.gsub, string.gmatch, string.match, string.find -local concat = table.concat - -own.name = (environment and environment.ownname) or arg[0] or 'mtxrun.lua' -own.path = gsub(match(own.name,"^(.+)[\\/].-$") or ".","\\","/") - -local ownpath, owntree = own.path, environment and environment.ownpath or own.path - -own.list = { - '.', - ownpath , - ownpath .. "/../sources", -- HH's development path - owntree .. "/../../texmf-local/tex/context/base", - owntree .. "/../../texmf-context/tex/context/base", - owntree .. "/../../texmf-dist/tex/context/base", - owntree .. "/../../texmf/tex/context/base", - owntree .. "/../../../texmf-local/tex/context/base", - owntree .. "/../../../texmf-context/tex/context/base", - owntree .. "/../../../texmf-dist/tex/context/base", - owntree .. "/../../../texmf/tex/context/base", -} - -if own.path == "." then table.remove(own.list,1) end - -local function locate_libs() - for l=1,#own.libs do - local lib = own.libs[l] - for p =1,#own.list do - local pth = own.list[p] - local filename = pth .. "/" .. lib - local found = lfs.isfile(filename) - if found then - package.path = package.path .. ";" .. pth .. "/?.lua" -- in case l-* does a require - return pth - end - end - end -end - -local function load_libs() - local found = locate_libs() - if found then - for l=1,#own.libs do - local filename = found .. "/" .. own.libs[l] - local codeblob = loadfile(filename) - if codeblob then - codeblob() - end - end - else - resolvers = nil - end -end - -if not resolvers then - load_libs() -end - -if not resolvers then - print("") - print("Mtxrun is unable to start up due to lack of libraries. You may") - print("try to run 'lua mtxrun.lua --selfmerge' in the path where this") - print("script is located (normally under ..../scripts/context/lua) which") - print("will make this script library independent.") - os.exit() -end - --- verbosity - -local e_verbose = environment.arguments["verbose"] - -if e_verbose then - trackers.enable("resolvers.locating") -end - --- some common flags (also passed through environment) - -local e_silent = environment.argument("silent") -local e_noconsole = environment.argument("noconsole") - -local e_trackers = environment.argument("trackers") -local e_directives = environment.argument("directives") -local e_experiments = environment.argument("experiments") - -if e_silent == true then - e_silent = "*" -end - -if type(e_silent) == "string" then - if type(e_directives) == "string" then - e_directives = format("%s,logs.blocked={%s}",e_directives,e_silent) - else - e_directives = format("logs.blocked={%s}",e_silent) - end -end - -if e_noconsole then - if type(e_directives) == "string" then - e_directives = format("%s,logs.target=file",e_directives) - else - e_directives = format("logs.target=file") - end -end - -if e_trackers then trackers .enable(e_trackers) end -if e_directives then directives .enable(e_directives) end -if e_experiments then experiments.enable(e_experiments) end - -if not environment.trackers then environment.trackers = e_trackers end -if not environment.directives then environment.directives = e_directives end -if not environment.experiments then environment.experiments = e_experiments end - --- - -local instance = resolvers.reset() - -local helpinfo = [[ ---script run an mtx script (lua prefered method) (--noquotes), no script gives list ---execute run a script or program (texmfstart method) (--noquotes) ---resolve resolve prefixed arguments ---ctxlua run internally (using preloaded libs) ---internal run script using built in libraries (same as --ctxlua) ---locate locate given filename in database (default) or system (--first --all --detail) - ---autotree use texmf tree cf. env 'texmfstart_tree' or 'texmfstarttree' ---tree=pathtotree use given texmf tree (default file: 'setuptex.tmf') ---environment=name use given (tmf) environment file ---path=runpath go to given path before execution ---ifchanged=filename only execute when given file has changed (md checksum) ---iftouched=old,new only execute when given file has changed (time stamp) - ---makestubs create stubs for (context related) scripts ---removestubs remove stubs (context related) scripts ---stubpath=binpath paths where stubs wil be written ---windows create windows (mswin) stubs ---unix create unix (linux) stubs - ---verbose give a bit more info ---trackers=list enable given trackers ---progname=str format or backend - ---edit launch editor with found file ---launch (--all) launch files like manuals, assumes os support - ---timedrun run a script an time its run ---autogenerate regenerate databases if needed (handy when used to run context in an editor) - ---usekpse use kpse as fallback (when no mkiv and cache installed, often slower) ---forcekpse force using kpse (handy when no mkiv and cache installed but less functionality) - ---prefixes show supported prefixes - ---generate generate file database - ---variables show configuration variables ---configurations show configuration order - ---expand-braces expand complex variable ---expand-path expand variable (resolve paths) ---expand-var expand variable (resolve references) ---show-path show path expansion of ... ---var-value report value of variable ---find-file report file location ---find-path report path of file - ---pattern=str filter variables -]] - -local application = logs.application { - name = "mtxrun", - banner = "ConTeXt TDS Runner Tool 1.31", - helpinfo = helpinfo, -} - -local report = application.report - -messages = messages or { } -- for the moment - -runners = runners or { } -- global (might become local) - -runners.applications = { - ["lua"] = "luatex --luaonly", - ["luc"] = "luatex --luaonly", - ["pl"] = "perl", - ["py"] = "python", - ["rb"] = "ruby", -} - -runners.suffixes = { - 'rb', 'lua', 'py', 'pl' -} - -runners.registered = { - texexec = { 'texexec.rb', false }, -- context mkii runner (only tool not to be luafied) - texutil = { 'texutil.rb', true }, -- old perl based index sorter for mkii (old versions need it) - texfont = { 'texfont.pl', true }, -- perl script that makes mkii font metric files - texfind = { 'texfind.pl', false }, -- perltk based tex searching tool, mostly used at pragma - texshow = { 'texshow.pl', false }, -- perltk based context help system, will be luafied - -- texwork = { 'texwork.pl', false }, -- perltk based editing environment, only used at pragma - makempy = { 'makempy.pl', true }, - mptopdf = { 'mptopdf.pl', true }, - pstopdf = { 'pstopdf.rb', true }, -- converts ps (and some more) images, does some cleaning (replaced) - -- examplex = { 'examplex.rb', false }, - concheck = { 'concheck.rb', false }, - runtools = { 'runtools.rb', true }, - textools = { 'textools.rb', true }, - tmftools = { 'tmftools.rb', true }, - ctxtools = { 'ctxtools.rb', true }, - rlxtools = { 'rlxtools.rb', true }, - pdftools = { 'pdftools.rb', true }, - mpstools = { 'mpstools.rb', true }, - -- exatools = { 'exatools.rb', true }, - xmltools = { 'xmltools.rb', true }, - -- luatools = { 'luatools.lua', true }, - mtxtools = { 'mtxtools.rb', true }, - pdftrimwhite = { 'pdftrimwhite.pl', false }, -} - -runners.launchers = { - windows = { }, - unix = { }, -} - --- like runners.libpath("framework"): looks on script's subpath - -function runners.libpath(...) - package.prepend_libpath(file.dirname(environment.ownscript),...) - package.prepend_libpath(file.dirname(environment.ownname) ,...) -end - -function runners.prepare() - local checkname = environment.argument("ifchanged") - if type(checkname) == "string" and checkname ~= "" then - local oldchecksum = file.loadchecksum(checkname) - local newchecksum = file.checksum(checkname) - if oldchecksum == newchecksum then - if e_verbose then - report("file '%s' is unchanged",checkname) - end - return "skip" - elseif e_verbose then - report("file '%s' is changed, processing started",checkname) - end - file.savechecksum(checkname) - end - local touchname = environment.argument("iftouched") - if type(touchname) == "string" and touchname ~= "" then - local oldname, newname = string.splitup(touchname, ",") - if oldname and newname and oldname ~= "" and newname ~= "" then - if not file.needs_updating(oldname,newname) then - if e_verbose then - report("file '%s' and '%s' have same age",oldname,newname) - end - return "skip" - elseif e_verbose then - report("file '%s' is older than '%s'",oldname,newname) - end - end - end - local runpath = environment.argument("path") - if type(runpath) == "string" and not lfs.chdir(runpath) then - report("unable to change to path '%s'",runpath) - return "error" - end - runners.prepare = function() end - return "run" -end - -function runners.execute_script(fullname,internal,nosplit) - local noquote = environment.argument("noquotes") - if fullname and fullname ~= "" then - local state = runners.prepare() - if state == 'error' then - return false - elseif state == 'skip' then - return true - elseif state == "run" then - local path, name, suffix, result = file.dirname(fullname), file.basename(fullname), file.extname(fullname), "" - if path ~= "" then - result = fullname - elseif name then - name = gsub(name,"^int[%a]*:",function() - internal = true - return "" - end ) - name = gsub(name,"^script:","") - if suffix == "" and runners.registered[name] and runners.registered[name][1] then - name = runners.registered[name][1] - suffix = file.extname(name) - end - if suffix == "" then - -- loop over known suffixes - for _,s in pairs(runners.suffixes) do - result = resolvers.findfile(name .. "." .. s, 'texmfscripts') - if result ~= "" then - break - end - end - elseif runners.applications[suffix] then - result = resolvers.findfile(name, 'texmfscripts') - else - -- maybe look on path - result = resolvers.findfile(name, 'other text files') - end - end - if result and result ~= "" then - if not no_split then - local before, after = environment.splitarguments(fullname) -- already done - environment.arguments_before, environment.arguments_after = before, after - end - if internal then - arg = { } for _,v in pairs(environment.arguments_after) do arg[#arg+1] = v end - environment.ownscript = result - dofile(result) - else - local binary = runners.applications[file.extname(result)] - result = string.quoted(string.unquoted(result)) - -- if string.match(result,' ') and not string.match(result,"^\".*\"$") then - -- result = '"' .. result .. '"' - -- end - if binary and binary ~= "" then - result = binary .. " " .. result - end - local command = result .. " " .. environment.reconstructcommandline(environment.arguments_after,noquote) - if e_verbose then - report() - report("executing: %s",command) - report() - report() - io.flush() - end - -- no os.exec because otherwise we get the wrong return value - local code = os.execute(command) -- maybe spawn - if code == 0 then - return true - else - if binary then - binary = file.addsuffix(binary,os.binsuffix) - for p in gmatch(os.getenv("PATH"),"[^"..io.pathseparator.."]+") do - if lfs.isfile(file.join(p,binary)) then - return false - end - end - report() - report("This script needs '%s' which seems not to be installed.",binary) - report() - end - return false - end - end - end - end - end - return false -end - -function runners.execute_program(fullname) - local noquote = environment.argument("noquotes") - if fullname and fullname ~= "" then - local state = runners.prepare() - if state == 'error' then - return false - elseif state == 'skip' then - return true - elseif state == "run" then - local before, after = environment.splitarguments(fullname) - for k=1,#after do after[k] = resolvers.resolve(after[k]) end - environment.initializearguments(after) - fullname = gsub(fullname,"^bin:","") - local command = fullname .. " " .. (environment.reconstructcommandline(after or "",noquote) or "") - report() - report("executing: %s",command) - report() - report() - io.flush() - local code = os.exec(command) -- (fullname,unpack(after)) does not work / maybe spawn - return code == 0 - end - end - return false -end - --- the --usekpse flag will fallback (not default) on kpse (hm, we can better update mtx-stubs) - -local windows_stub = '@echo off\013\010setlocal\013\010set ownpath=%%~dp0%%\013\010texlua "%%ownpath%%mtxrun.lua" --usekpse --execute %s %%*\013\010endlocal\013\010' -local unix_stub = '#!/bin/sh\010mtxrun --usekpse --execute %s \"$@\"\010' - -function runners.handle_stubs(create) - local stubpath = environment.argument('stubpath') or '.' -- 'auto' no longer subpathssupported - local windows = environment.argument('windows') or environment.argument('mswin') or false - local unix = environment.argument('unix') or environment.argument('linux') or false - if not windows and not unix then - if os.platform == "unix" then - unix = true - else - windows = true - end - end - for _,v in pairs(runners.registered) do - local name, doit = v[1], v[2] - if doit then - local base = gsub(file.basename(name), "%.(.-)$", "") - if create then - if windows then - io.savedata(file.join(stubpath,base..".bat"),format(windows_stub,name)) - report("windows stub for '%s' created",base) - end - if unix then - io.savedata(file.join(stubpath,base),format(unix_stub,name)) - report("unix stub for '%s' created",base) - end - else - if windows and (os.remove(file.join(stubpath,base..'.bat')) or os.remove(file.join(stubpath,base..'.cmd'))) then - report("windows stub for '%s' removed", base) - end - if unix and (os.remove(file.join(stubpath,base)) or os.remove(file.join(stubpath,base..'.sh'))) then - report("unix stub for '%s' removed",base) - end - end - end - end -end - -function runners.resolve_string(filename) - if filename and filename ~= "" then - runners.report_location(resolvers.resolve(filename)) - end -end - --- differs from texmfstart where locate appends .com .exe .bat ... todo - -function runners.locate_file(filename) -- was given file but only searches in tree - if filename and filename ~= "" then - if environment.argument("first") then - runners.report_location(resolvers.findfile(filename)) - -- resolvers.dowithfilesandreport(resolvers.findfile,filename) - elseif environment.argument("all") then - local result, status = resolvers.findfiles(filename) - if status and environment.argument("detail") then - runners.report_location(status) - else - runners.report_location(result) - end - else - runners.report_location(resolvers.findgivenfile(filename)) - -- resolvers.dowithfilesandreport(resolvers.findgivenfile,filename) - end - end -end - -function runners.locate_platform() - runners.report_location(os.platform) -end - -function runners.report_location(result) - if type(result) == "table" then - for i=1,#result do - if i > 1 then - io.write("\n") - end - io.write(result[i]) - end - else - io.write(result) - end -end - -function runners.edit_script(filename) -- we assume that gvim is present on most systems (todo: also in cnf file) - local editor = os.getenv("MTXRUN_EDITOR") or os.getenv("TEXMFSTART_EDITOR") or os.getenv("EDITOR") or 'gvim' - local rest = resolvers.resolve(filename) - if rest ~= "" then - local command = editor .. " " .. rest - if e_verbose then - report() - report("starting editor: %s",command) - report() - report() - end - os.launch(command) - end -end - -function runners.save_script_session(filename, list) - local t = { } - for i=1,#list do - local key = list[i] - t[key] = environment.arguments[key] - end - io.savedata(filename,table.serialize(t,true)) -end - -function runners.load_script_session(filename) - if lfs.isfile(filename) then - local t = io.loaddata(filename) - if t then - t = loadstring(t) - if t then t = t() end - for key, value in pairs(t) do - environment.arguments[key] = value - end - end - end -end - -function resolvers.launch(str) - -- maybe we also need to test on mtxrun.launcher.suffix environment - -- variable or on windows consult the assoc and ftype vars and such - local launchers = runners.launchers[os.platform] if launchers then - local suffix = file.extname(str) if suffix then - local runner = launchers[suffix] if runner then - str = runner .. " " .. str - end - end - end - os.launch(str) -end - -function runners.launch_file(filename) - trackers.enable("resolvers.locating") - local allresults = environment.arguments["all"] - local pattern = environment.arguments["pattern"] - if not pattern or pattern == "" then - pattern = filename - end - if not pattern or pattern == "" then - report("provide name or --pattern=") - else - local t = resolvers.findfiles(pattern,nil,allresults) - if not t or #t == 0 then - t = resolvers.findfiles("*/" .. pattern,nil,allresults) - end - if not t or #t == 0 then - t = resolvers.findfiles("*/" .. pattern .. "*",nil,allresults) - end - if t and #t > 0 then - if allresults then - for _, v in pairs(t) do - report("launching %s", v) - resolvers.launch(v) - end - else - report("launching %s", t[1]) - resolvers.launch(t[1]) - end - else - report("no match for %s", pattern) - end - end -end - -local mtxprefixes = { - { "^mtx%-", "mtx-" }, - { "^mtx%-t%-", "mtx-t-" }, -} - -function runners.find_mtx_script(filename) - local function found(name) - local path = file.dirname(name) - if path and path ~= "" then - return false - else - local fullname = own and own.path and file.join(own.path,name) - return io.exists(fullname) and fullname - end - end - filename = file.addsuffix(filename,"lua") - local basename = file.removesuffix(file.basename(filename)) - local suffix = file.extname(filename) - -- qualified path, raw name - local fullname = file.is_qualified_path(filename) and io.exists(filename) and filename - if fullname and fullname ~= "" then - return fullname - end - -- current path, raw name - fullname = "./" .. filename - fullname = io.exists(fullname) and fullname - if fullname and fullname ~= "" then - return fullname - end - -- mtx- prefix checking - for i=1,#mtxprefixes do - local mtxprefix = mtxprefixes[i] - mtxprefix = find(filename,mtxprefix[1]) and "" or mtxprefix[2] - -- context namespace, mtx-<filename> - fullname = mtxprefix .. filename - fullname = found(fullname) or resolvers.findfile(fullname) - if fullname and fullname ~= "" then - return fullname - end - -- context namespace, mtx-<filename>s - fullname = mtxprefix .. basename .. "s" .. "." .. suffix - fullname = found(fullname) or resolvers.findfile(fullname) - if fullname and fullname ~= "" then - return fullname - end - -- context namespace, mtx-<filename minus trailing s> - fullname = mtxprefix .. gsub(basename,"s$","") .. "." .. suffix - fullname = found(fullname) or resolvers.findfile(fullname) - if fullname and fullname ~= "" then - return fullname - end - end - -- context namespace, just <filename> - fullname = resolvers.findfile(filename) - return fullname -end - -function runners.register_arguments(...) - local arguments = environment.arguments_after - local passedon = { ... } - for i=#passedon,1,-1 do - local pi = passedon[i] - if pi then - table.insert(arguments,1,pi) - end - end -end - -function runners.execute_ctx_script(filename,...) - runners.register_arguments(...) - local arguments = environment.arguments_after - local fullname = runners.find_mtx_script(filename) or "" - if file.extname(fullname) == "cld" then - -- handy in editors where we force --autopdf - report("running cld script: %s",filename) - table.insert(arguments,1,fullname) - table.insert(arguments,"--autopdf") - fullname = runners.find_mtx_script("context") or "" - end - -- retry after generate but only if --autogenerate - if fullname == "" and environment.argument("autogenerate") then -- might become the default - instance.renewcache = true - trackers.enable("resolvers.locating") - resolvers.load() - -- - fullname = runners.find_mtx_script(filename) or "" - end - -- that should do it - if fullname ~= "" then - local state = runners.prepare() - if state == 'error' then - return false - elseif state == 'skip' then - return true - elseif state == "run" then - -- load and save ... kind of undocumented - arg = { } for _,v in pairs(arguments) do arg[#arg+1] = resolvers.resolve(v) end - environment.initializearguments(arg) - local loadname = environment.arguments['load'] - if loadname then - if type(loadname) ~= "string" then loadname = file.basename(fullname) end - loadname = file.replacesuffix(loadname,"cfg") - runners.load_script_session(loadname) - end - filename = environment.files[1] - if e_verbose then - report("using script: %s\n",fullname) - end - environment.ownscript = fullname - dofile(fullname) - local savename = environment.arguments['save'] - if savename then - local save_list = runners.save_list - if save_list and next(save_list) then - if type(savename) ~= "string" then savename = file.basename(fullname) end - savename = file.replacesuffix(savename,"cfg") - runners.save_script_session(savename,save_list) - end - end - return true - end - else - if filename == "" or filename == "help" then - local context = resolvers.findfile("mtx-context.lua") - trackers.enable("resolvers.locating") - if context ~= "" then - local result = dir.glob((gsub(context,"mtx%-context","mtx-*"))) -- () needed - local valid = { } - table.sort(result) - for i=1,#result do - local scriptname = result[i] - local scriptbase = match(scriptname,".*mtx%-([^%-]-)%.lua") - if scriptbase then - local data = io.loaddata(scriptname) - local banner, version = match(data,"[\n\r]logs%.extendbanner%s*%(%s*[\"\']([^\n\r]+)%s*(%d+%.%d+)") - if banner then - valid[#valid+1] = { scriptbase, version, banner } - end - end - end - if #valid > 0 then - application.identify() - report("no script name given, known scripts:") - report() - for k=1,#valid do - local v = valid[k] - report("%-12s %4s %s",v[1],v[2],v[3]) - end - end - else - report("no script name given") - end - else - filename = file.addsuffix(filename,"lua") - if file.is_qualified_path(filename) then - report("unknown script '%s'",filename) - else - report("unknown script '%s' or 'mtx-%s'",filename,filename) - end - end - return false - end -end - -function runners.prefixes() - application.identify() - report() - report(concat(resolvers.allprefixes(true)," ")) -end - -function runners.timedrun(filename) -- just for me - if filename and filename ~= "" then - runners.timed(function() os.execute(filename) end) - end -end - -function runners.timed(action) - statistics.timed(action) -end - --- this is a bit dirty ... first we store the first filename and next we --- split the arguments so that we only see the ones meant for this script --- ... later we will use the second half - -local filename = environment.files[1] or "" -local ok = true - -local before, after = environment.splitarguments(filename) -environment.arguments_before, environment.arguments_after = before, after -environment.initializearguments(before) - -instance.lsrmode = environment.argument("lsr") or false - --- maybe the unset has to go to this level - -local is_mkii_stub = runners.registered[file.removesuffix(file.basename(filename))] - -local e_argument = environment.argument - -if e_argument("usekpse") or e_argument("forcekpse") or is_mkii_stub then - - resolvers.load_tree(e_argument('tree'),true) -- force resolve of TEXMFCNF - - os.setenv("engine","") - os.setenv("progname","") - - local remapper = { - otf = "opentype fonts", - ttf = "truetype fonts", - ttc = "truetype fonts", - pfb = "type1 fonts", - other = "other text files", - } - - local progname = e_argument("progname") or 'context' - - local function kpse_initialized() - texconfig.kpse_init = true - local t = os.clock() - local k = kpse.original.new("luatex",progname) - local dummy = k:find_file("mtxrun.lua") -- so that we're initialized - report("kpse fallback with progname '%s' initialized in %s seconds",progname,os.clock()-t) - kpse_initialized = function() return k end - return k - end - - local findfile = resolvers.findfile - local showpath = resolvers.showpath - - if e_argument("forcekpse") then - - function resolvers.findfile(name,kind) - return (kpse_initialized():find_file(resolvers.cleanpath(name),(kind ~= "" and (remapper[kind] or kind)) or "tex") or "") or "" - end - function resolvers.showpath(name) - return (kpse_initialized():show_path(name)) or "" - end - - elseif e_argument("usekpse") or is_mkii_stub then - - resolvers.load() - - function resolvers.findfile(name,kind) - local found = findfile(name,kind) or "" - if found ~= "" then - return found - else - return (kpse_initialized():find_file(resolvers.cleanpath(name),(kind ~= "" and (remapper[kind] or kind)) or "tex") or "") or "" - end - end - function resolvers.showpath(name) - local found = showpath(name) or "" - if found ~= "" then - return found - else - return (kpse_initialized():show_path(name)) or "" - end - end - - end - - function runners.loadbase() - end - -else - - function runners.loadbase(...) - if not resolvers.load(...) then - report("forcing cache reload") - instance.renewcache = true - trackers.enable("resolvers.locating") - if not resolvers.load(...) then - report("the resolver databases are not present or outdated") - end - end - end - - resolvers.load_tree(e_argument('tree'),e_argument("resolve")) - -end - - -if e_argument("selfmerge") then - - -- embed used libraries - - runners.loadbase() - local found = locate_libs() - if found then - utilities.merger.selfmerge(own.name,own.libs,{ found }) - end - -elseif e_argument("selfclean") then - - -- remove embedded libraries - - runners.loadbase() - utilities.merger.selfclean(own.name) - -elseif e_argument("selfupdate") then - - runners.loadbase() - trackers.enable("resolvers.locating") - resolvers.updatescript(own.name,"mtxrun") - -elseif e_argument("ctxlua") or e_argument("internal") then - - -- run a script by loading it (using libs) - - runners.loadbase() - ok = runners.execute_script(filename,true) - -elseif e_argument("script") or e_argument("scripts") then - - -- run a script by loading it (using libs), pass args - - runners.loadbase() - if is_mkii_stub then - ok = runners.execute_script(filename,false,true) - else - ok = runners.execute_ctx_script(filename) - end - -elseif e_argument("execute") then - - -- execute script - - runners.loadbase() - ok = runners.execute_script(filename) - -elseif e_argument("direct") then - - -- equals bin: - - runners.loadbase() - ok = runners.execute_program(filename) - -elseif e_argument("edit") then - - -- edit file - - runners.loadbase() - runners.edit_script(filename) - -elseif e_argument("launch") then - - runners.loadbase() - runners.launch_file(filename) - -elseif e_argument("makestubs") then - - -- make stubs (depricated) - - runners.handle_stubs(true) - -elseif e_argument("removestubs") then - - -- remove stub (depricated) - - runners.loadbase() - runners.handle_stubs(false) - -elseif e_argument("resolve") then - - -- resolve string - - runners.loadbase() - runners.resolve_string(filename) - -elseif e_argument("locate") then - - -- locate file (only database) - - runners.loadbase() - runners.locate_file(filename) - -elseif e_argument("platform") or e_argument("show-platform") then - - -- locate platform - - runners.loadbase() - runners.locate_platform() - -elseif e_argument("prefixes") then - - runners.loadbase() - runners.prefixes() - -elseif e_argument("timedrun") then - - -- locate platform - - runners.loadbase() - runners.timedrun(filename) - -elseif e_argument("variables") or e_argument("show-variables") or e_argument("expansions") or e_argument("show-expansions") then - - -- luatools: runners.execute_ctx_script("mtx-base","--expansions",filename) - - resolvers.load("nofiles") - resolvers.listers.variables(e_argument("pattern")) - -elseif e_argument("configurations") or e_argument("show-configurations") then - - -- luatools: runners.execute_ctx_script("mtx-base","--configurations",filename) - - resolvers.load("nofiles") - resolvers.listers.configurations() - -elseif e_argument("find-file") then - - -- luatools: runners.execute_ctx_script("mtx-base","--find-file",filename) - - resolvers.load() - local e_all = e_argument("all") - local e_pattern = e_argument("pattern") - local e_format = e_argument("format") - local finder = e_all and resolvers.findfiles or resolvers.findfile - if not e_pattern then - runners.register_arguments(filename) - environment.initializearguments(environment.arguments_after) - resolvers.dowithfilesandreport(finder,environment.files,e_format) - elseif type(e_pattern) == "string" then - resolvers.dowithfilesandreport(finder,{ e_pattern },e_format) - end - -elseif e_argument("find-path") then - - -- luatools: runners.execute_ctx_script("mtx-base","--find-path",filename) - - resolvers.load() - local path = resolvers.findpath(filename, instance.my_format) - if e_verbose then - report(path) - else - print(path) - end - -elseif e_argument("expand-braces") then - - -- luatools: runners.execute_ctx_script("mtx-base","--expand-braces",filename) - - resolvers.load("nofiles") - runners.register_arguments(filename) - environment.initializearguments(environment.arguments_after) - resolvers.dowithfilesandreport(resolvers.expandbraces, environment.files) - -elseif e_argument("expand-path") then - - -- luatools: runners.execute_ctx_script("mtx-base","--expand-path",filename) - - resolvers.load("nofiles") - runners.register_arguments(filename) - environment.initializearguments(environment.arguments_after) - resolvers.dowithfilesandreport(resolvers.expandpath, environment.files) - -elseif e_argument("expand-var") or e_argument("expand-variable") then - - -- luatools: runners.execute_ctx_script("mtx-base","--expand-var",filename) - - resolvers.load("nofiles") - runners.register_arguments(filename) - environment.initializearguments(environment.arguments_after) - resolvers.dowithfilesandreport(resolvers.expansion, environment.files) - -elseif e_argument("show-path") or e_argument("path-value") then - - -- luatools: runners.execute_ctx_script("mtx-base","--show-path",filename) - - resolvers.load("nofiles") - runners.register_arguments(filename) - environment.initializearguments(environment.arguments_after) - resolvers.dowithfilesandreport(resolvers.showpath, environment.files) - -elseif e_argument("var-value") or e_argument("show-value") then - - -- luatools: runners.execute_ctx_script("mtx-base","--show-value",filename) - - resolvers.load("nofiles") - runners.register_arguments(filename) - environment.initializearguments(environment.arguments_after) - resolvers.dowithfilesandreport(resolvers.variable,environment.files) - -elseif e_argument("format-path") then - - -- luatools: runners.execute_ctx_script("mtx-base","--format-path",filename) - - resolvers.load() - report(caches.getwritablepath("format")) - -elseif e_argument("pattern") then - - -- luatools - - runners.execute_ctx_script("mtx-base","--pattern='" .. e_argument("pattern") .. "'",filename) - -elseif e_argument("generate") then - - -- luatools - - if filename and filename ~= "" then - resolvers.load("nofiles") - trackers.enable("resolvers.locating") - resolvers.renew(filename) - else - instance.renewcache = true - trackers.enable("resolvers.locating") - resolvers.load() - end - - e_verbose = true - -elseif e_argument("make") or e_argument("ini") or e_argument("compile") then - - -- luatools: runners.execute_ctx_script("mtx-base","--make",filename) - - resolvers.load() - trackers.enable("resolvers.locating") - environment.make_format(filename) - -elseif e_argument("run") then - - -- luatools - - runners.execute_ctx_script("mtx-base","--run",filename) - -elseif e_argument("fmt") then - - -- luatools - - runners.execute_ctx_script("mtx-base","--fmt",filename) - -elseif e_argument("help") and filename=='base' then - - -- luatools - - runners.execute_ctx_script("mtx-base","--help") - -elseif e_argument("version") then - - application.version() - -elseif e_argument("help") or filename=='help' or filename == "" then - - application.help() - -elseif find(filename,"^bin:") then - - runners.loadbase() - ok = runners.execute_program(filename) - -elseif is_mkii_stub then - - -- execute mkii script - - runners.loadbase() - ok = runners.execute_script(filename,false,true) - -elseif false then - - runners.loadbase() - ok = runners.execute_ctx_script(filename) - if not ok then - ok = runners.execute_script(filename) - end - -elseif environment.files[1] == 'texmfcnf.lua' then -- so that we don't need to load mtx-base - - resolvers.load("nofiles") - resolvers.listers.configurations() - -else - - runners.loadbase() - runners.execute_ctx_script("mtx-base",filename) - -end - -if e_verbose then - report() - report("runtime: %0.3f seconds",os.runtime()) -end - -if os.type ~= "windows" then - texio.write("\n") -- is this still valid? -end - -if ok == false then ok = 1 elseif ok == true then ok = 0 end - -os.exit(ok) |