diff options
Diffstat (limited to 'Master/bin/x86_64-darwin/mtxrun')
| -rwxr-xr-x[l---------] | Master/bin/x86_64-darwin/mtxrun | 12640 |
1 files changed, 12639 insertions, 1 deletions
diff --git a/Master/bin/x86_64-darwin/mtxrun b/Master/bin/x86_64-darwin/mtxrun index 8825f964657..b99327692d7 120000..100755 --- a/Master/bin/x86_64-darwin/mtxrun +++ b/Master/bin/x86_64-darwin/mtxrun @@ -1 +1,12639 @@ -../../texmf-dist/scripts/context/lua/mtxrun.lua
\ No newline at end of file +#!/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 $RUBYINPUTS cum suis (if still needed) +-- remember for subruns: _CTX_K_V_#{original}_ +-- remember for subruns: _CTX_K_S_#{original}_ +-- remember for subruns: TEXMFSTART.#{original} [tex.rb texmfstart.rb] + +texlua = true + +-- begin library merge + + + +do -- create closure to overcome 200 locals limit + +if not modules then modules = { } end modules ['l-string'] = { + version = 1.001, + comment = "companion to luat-lib.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local sub, gsub, find, match, gmatch, format, char, byte, rep, lower = string.sub, string.gsub, string.find, string.match, string.gmatch, string.format, string.char, string.byte, string.rep, string.lower +local lpegmatch = lpeg.match + +-- some functions may disappear as they are not used anywhere + +if not string.split then + + -- this will be overloaded by a faster lpeg variant + + function string:split(pattern) + if #self > 0 then + local t = { } + for s in gmatch(self..pattern,"(.-)"..pattern) do + t[#t+1] = s + end + return t + else + return { } + end + end + +end + +local chr_to_esc = { + ["%"] = "%%", + ["."] = "%.", + ["+"] = "%+", ["-"] = "%-", ["*"] = "%*", + ["^"] = "%^", ["$"] = "%$", + ["["] = "%[", ["]"] = "%]", + ["("] = "%(", [")"] = "%)", + ["{"] = "%{", ["}"] = "%}" +} + +string.chr_to_esc = chr_to_esc + +function string:esc() -- variant 2 + return (gsub(self,"(.)",chr_to_esc)) +end + +function string:unquote() + return (gsub(self,"^([\"\'])(.*)%1$","%2")) +end + +--~ function string:unquote() +--~ if find(self,"^[\'\"]") then +--~ return sub(self,2,-2) +--~ else +--~ return self +--~ end +--~ end + +function string:quote() -- we could use format("%q") + return format("%q",self) +end + +function string:count(pattern) -- variant 3 + local n = 0 + for _ in gmatch(self,pattern) do + n = n + 1 + end + return n +end + +function string:limit(n,sentinel) + if #self > n then + sentinel = sentinel or " ..." + return sub(self,1,(n-#sentinel)) .. sentinel + else + return self + end +end + +--~ function string:strip() -- the .- is quite efficient +--~ -- return match(self,"^%s*(.-)%s*$") or "" +--~ -- return match(self,'^%s*(.*%S)') or '' -- posted on lua list +--~ return find(s,'^%s*$') and '' or match(s,'^%s*(.*%S)') +--~ end + +do -- roberto's variant: + local space = lpeg.S(" \t\v\n") + local nospace = 1 - space + local stripper = space^0 * lpeg.C((space^0 * nospace^1)^0) + function string.strip(str) + return lpegmatch(stripper,str) or "" + end +end + +function string:is_empty() + return not find(self,"%S") +end + +function string:enhance(pattern,action) + local ok, n = true, 0 + while ok do + ok = false + self = gsub(self,pattern, function(...) + ok, n = true, n + 1 + return action(...) + end) + end + return self, n +end + +local chr_to_hex, hex_to_chr = { }, { } + +for i=0,255 do + local c, h = char(i), format("%02X",i) + chr_to_hex[c], hex_to_chr[h] = h, c +end + +function string:to_hex() + return (gsub(self or "","(.)",chr_to_hex)) +end + +function string:from_hex() + return (gsub(self or "","(..)",hex_to_chr)) +end + +if not string.characters then + + local function nextchar(str, index) + index = index + 1 + return (index <= #str) and index or nil, sub(str,index,index) + end + function string:characters() + return nextchar, self, 0 + end + local function nextbyte(str, index) + index = index + 1 + return (index <= #str) and index or nil, byte(sub(str,index,index)) + end + function string:bytes() + return nextbyte, self, 0 + end + +end + +-- we can use format for this (neg n) + +function string:rpadd(n,chr) + local m = n-#self + if m > 0 then + return self .. rep(chr or " ",m) + else + return self + end +end + +function string:lpadd(n,chr) + local m = n-#self + if m > 0 then + return rep(chr or " ",m) .. self + else + return self + end +end + +string.padd = string.rpadd + +function is_number(str) -- tonumber + return find(str,"^[%-%+]?[%d]-%.?[%d+]$") == 1 +end + +--~ print(is_number("1")) +--~ print(is_number("1.1")) +--~ print(is_number(".1")) +--~ print(is_number("-0.1")) +--~ print(is_number("+0.1")) +--~ print(is_number("-.1")) +--~ print(is_number("+.1")) + +function string:split_settings() -- no {} handling, see l-aux for lpeg variant + if find(self,"=") then + local t = { } + for k,v in gmatch(self,"(%a+)=([^%,]*)") do + t[k] = v + end + return t + else + return nil + end +end + +local patterns_escapes = { + ["-"] = "%-", + ["."] = "%.", + ["+"] = "%+", + ["*"] = "%*", + ["%"] = "%%", + ["("] = "%)", + [")"] = "%)", + ["["] = "%[", + ["]"] = "%]", +} + +function string:pattesc() + return (gsub(self,".",patterns_escapes)) +end + +local simple_escapes = { + ["-"] = "%-", + ["."] = "%.", + ["?"] = ".", + ["*"] = ".*", +} + +function string:simpleesc() + return (gsub(self,".",simple_escapes)) +end + +function string:tohash() + local t = { } + for s in gmatch(self,"([^, ]+)") do -- lpeg + t[s] = true + end + return t +end + +local pattern = lpeg.Ct(lpeg.C(1)^0) + +function string:totable() + return lpegmatch(pattern,self) +end + +--~ local t = { +--~ "1234567123456712345671234567", +--~ "a\tb\tc", +--~ "aa\tbb\tcc", +--~ "aaa\tbbb\tccc", +--~ "aaaa\tbbbb\tcccc", +--~ "aaaaa\tbbbbb\tccccc", +--~ "aaaaaa\tbbbbbb\tcccccc", +--~ } +--~ for k,v do +--~ print(string.tabtospace(t[k])) +--~ end + +function string.tabtospace(str,tab) + -- we don't handle embedded newlines + while true do + local s = find(str,"\t") + if s then + if not tab then tab = 7 end -- only when found + local d = tab-(s-1) % tab + if d > 0 then + str = gsub(str,"\t",rep(" ",d),1) + else + str = gsub(str,"\t","",1) + end + else + break + end + end + return str +end + +function string:compactlong() -- strips newlines and leading spaces + self = gsub(self,"[\n\r]+ *","") + self = gsub(self,"^ *","") + return self +end + +function string:striplong() -- strips newlines and leading spaces + self = gsub(self,"^%s*","") + self = gsub(self,"[\n\r]+ *","\n") + return self +end + +function string:topattern(lowercase,strict) + if lowercase then + self = lower(self) + end + self = gsub(self,".",simple_escapes) + if self == "" then + self = ".*" + elseif strict then + self = "^" .. self .. "$" + end + return self +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" +} + +local lpeg = require("lpeg") + +lpeg.patterns = lpeg.patterns or { } -- so that we can share +local patterns = lpeg.patterns + +local P, R, S, Ct, C, Cs, Cc, V = lpeg.P, lpeg.R, lpeg.S, lpeg.Ct, lpeg.C, lpeg.Cs, lpeg.Cc, lpeg.V +local match = lpeg.match + +local digit, sign = R('09'), S('+-') +local cr, lf, crlf = P("\r"), P("\n"), P("\r\n") +local utf8byte = R("\128\191") + +patterns.utf8byte = utf8byte +patterns.utf8one = R("\000\127") +patterns.utf8two = R("\194\223") * utf8byte +patterns.utf8three = R("\224\239") * utf8byte * utf8byte +patterns.utf8four = R("\240\244") * utf8byte * utf8byte * utf8byte + +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.number = patterns.float + 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 = S(" ") +patterns.eol = S("\n\r") +patterns.spacer = S(" \t\f\v") -- + string.char(0xc2, 0xa0) if we want utf (cf mail roberto) +patterns.newline = crlf + cr + lf +patterns.nonspace = 1 - patterns.space +patterns.nonspacer = 1 - patterns.spacer +patterns.whitespace = patterns.eol + patterns.spacer +patterns.nonwhitespace = 1 - patterns.whitespace +patterns.utf8 = patterns.utf8one + patterns.utf8two + patterns.utf8three + patterns.utf8four +patterns.utfbom = P('\000\000\254\255') + P('\255\254\000\000') + P('\255\254') + P('\254\255') + P('\239\187\191') + +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 + +local spacing = patterns.spacer^0 * patterns.newline -- sort of strip +local empty = spacing * Cc("") +local nonempty = Cs((1-spacing)^1) * spacing^-1 +local content = (empty + nonempty)^1 + +local capture = Ct(content^0) + +function string:splitlines() + return match(capture,self) +end + +patterns.textline = content + +--~ local p = lpeg.splitat("->",false) print(match(p,"oeps->what->more")) -- oeps what more +--~ local p = lpeg.splitat("->",true) print(match(p,"oeps->what->more")) -- oeps what->more +--~ local p = lpeg.splitat("->",false) print(match(p,"oeps")) -- oeps +--~ local p = lpeg.splitat("->",true) print(match(p,"oeps")) -- oeps + +local splitters_s, splitters_m = { }, { } + +local function splitat(separator,single) + local splitter = (single and splitters_s[separator]) or splitters_m[separator] + if not splitter then + separator = P(separator) + if single then + local other, any = C((1 - separator)^0), P(1) + splitter = other * (separator * C(any^0) + "") -- ? + splitters_s[separator] = splitter + else + local other = C((1 - separator)^0) + splitter = other * (separator * other)^0 + splitters_m[separator] = splitter + end + end + return splitter +end + +lpeg.splitat = splitat + +local cache = { } + +function lpeg.split(separator,str) + local c = cache[separator] + if not c then + c = Ct(splitat(separator)) + cache[separator] = c + end + return match(c,str) +end + +function string:split(separator) + local c = cache[separator] + if not c then + c = Ct(splitat(separator)) + cache[separator] = c + end + return match(c,self) +end + +lpeg.splitters = cache + +local cache = { } + +function lpeg.checkedsplit(separator,str) + local c = cache[separator] + if not c then + separator = P(separator) + local other = C((1 - separator)^0) + c = Ct(separator^0 * other * (separator^1 * other)^0) + cache[separator] = c + end + return match(c,str) +end + +function string:checkedsplit(separator) + local c = cache[separator] + if not c then + separator = P(separator) + local other = C((1 - separator)^0) + c = Ct(separator^0 * other * (separator^1 * other)^0) + cache[separator] = c + end + return match(c,self) +end + +--~ function lpeg.append(list,pp) +--~ local p = pp +--~ for l=1,#list do +--~ if p then +--~ p = p + P(list[l]) +--~ else +--~ p = P(list[l]) +--~ end +--~ end +--~ return p +--~ end + +--~ from roberto's site: + +local f1 = string.byte + +local function f2(s) local c1, c2 = f1(s,1,2) return c1 * 64 + c2 - 12416 end +local function f3(s) local c1, c2, c3 = f1(s,1,3) return (c1 * 64 + c2) * 64 + c3 - 925824 end +local function f4(s) local c1, c2, c3, c4 = f1(s,1,4) return ((c1 * 64 + c2) * 64 + c3) * 64 + c4 - 63447168 end + +patterns.utf8byte = patterns.utf8one/f1 + patterns.utf8two/f2 + patterns.utf8three/f3 + patterns.utf8four/f4 + + +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" +} + +table.join = table.concat + +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 type, next, tostring, tonumber, ipairs = type, next, tostring, tonumber, ipairs + +-- 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 fashio 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 = { } + for i=1,#tab do + local s = gsub(tab[i],"^%s*(.-)%s*$","%1") + if s == "" then + -- skip this one + else + lst[#lst+1] = s + end + end + return lst +end + +function table.keys(t) + local k = { } + for key, _ in next, t do + k[#k+1] = key + end + return k +end + +local function compare(a,b) + return (tostring(a) < tostring(b)) +end + +local function sortedkeys(tab) + local srt, kind = { }, 0 -- 0=unknown 1=string, 2=number 3=mixed + for key,_ in next, tab do + srt[#srt+1] = key + if kind == 3 then + -- no further check + else + local tkey = type(key) + if tkey == "string" then + -- if kind == 2 then kind = 3 else kind = 1 end + kind = (kind == 2 and 3) or 1 + elseif tkey == "number" then + -- if kind == 1 then kind = 3 else kind = 2 end + kind = (kind == 1 and 3) or 2 + else + kind = 3 + end + end + end + if kind == 0 or kind == 3 then + sort(srt,compare) + else + sort(srt) + end + return srt +end + +local function sortedhashkeys(tab) -- fast one + local srt = { } + for key,_ in next, tab do + srt[#srt+1] = key + end + sort(srt) + return srt +end + +table.sortedkeys = sortedkeys +table.sortedhashkeys = sortedhashkeys + +function table.sortedhash(t) + local s = sortedhashkeys(t) -- maybe just sortedkeys + local n = 0 + local function kv(s) + n = n + 1 + local k = s[n] + return k, t[k] + end + return kv, s +end + +table.sortedpairs = table.sortedhash + +function table.append(t, list) + for _,v in next, list do + insert(t,v) + end +end + +function table.prepend(t, list) + for k,v in next, list do + insert(t,k,v) + end +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 = {...} + for i=1,#lst do + local nst = lst[i] + for j=1,#nst do + t[#t+1] = nst[j] + end + end + return t +end + +function table.imerged(...) + local tmp, lst = { }, {...} + for i=1,#lst do + local nst = lst[i] + for j=1,#nst do + tmp[#tmp+1] = nst[j] + end + end + return tmp +end + +local function fastcopy(old) -- fast one + if old then + local new = { } + for k,v in next, old do + if type(v) == "table" then + new[k] = fastcopy(v) -- was just table.copy + else + new[k] = v + end + end + -- optional second arg + local mt = getmetatable(old) + if mt then + setmetatable(new,mt) + end + return new + else + return { } + end +end + +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 + +-- 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 + +function table.replace(a,b) + for k,v in next, b do + a[k] = v + end +end + +-- slower than #t on indexed tables (#t only returns the size of the numerically indexed slice) + +function table.is_empty(t) -- obolete, use inline code instead + return not t or not next(t) +end + +function table.one_entry(t) -- obolete, use inline code instead + local n = next(t) + return n and not next(t,n) +end + +--~ function table.starts_at(t) -- obsolete, not nice anyway +--~ return ipairs(t,1)(t,0) +--~ 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 h = { } + for k, v in next, t do -- no ipairs here + if v then h[#h+1] = k end + end + return h +end + +--~ print(table.serialize(t), "\n") +--~ print(table.serialize(t,"name"), "\n") +--~ print(table.serialize(t,false), "\n") +--~ print(table.serialize(t,true), "\n") +--~ print(table.serialize(t,"name",true), "\n") +--~ print(table.serialize(t,"name",true,true), "\n") + +table.serialize_functions = true +table.serialize_compact = true +table.serialize_inline = true + +local noquotes, hexify, handle, reduce, compact, inline, functions + +local reserved = table.tohash { -- intercept a language flaw, 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 = { } + for i=1,#t do + local v = t[i] + local tv = type(v) + if tv == "number" then + if hexify then + tt[#tt+1] = format("0x%04X",v) + else + tt[#tt+1] = tostring(v) -- tostring not needed + end + elseif tv == "boolean" then + tt[#tt+1] = tostring(v) + elseif tv == "string" then + tt[#tt+1] = 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 do_serialize(root,name,depth,level,indexed) + if level > 0 then + depth = depth .. " " + if indexed then + handle(format("%s{",depth)) + elseif name then + --~ handle(format("%s%s={",depth,key(name))) + if type(name) == "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 noquotes and not reserved[name] and find(name,"^%a[%w%_]*$") then + handle(format("%s%s={",depth,name)) + else + handle(format("%s[%q]={",depth,name)) + end + else + handle(format("%s{",depth)) + end + end + -- we could check for k (index) being number (cardinal) + if root and next(root) then + local first, last = nil, 0 -- #root cannot be trusted here (will be ok in 5.2 when ipairs is gone) + if compact then + -- NOT: for k=1,#root do (we need to quit at nil) + for k,v in ipairs(root) do -- can we use next? + if not first then first = k end + last = last + 1 + end + end + local sk = sortedkeys(root) + for i=1,#sk do + local k = sk[i] + local v = root[k] + --~ if v == root then + -- circular + --~ else + local t = type(v) + if compact and first and type(k) == "number" and k >= first and k <= last then + if t == "number" then + if hexify then + handle(format("%s 0x%04X,",depth,v)) + else + handle(format("%s %s,",depth,v)) -- %.99g + end + elseif t == "string" then + if reduce and tonumber(v) then + handle(format("%s %s,",depth,v)) + else + handle(format("%s %q,",depth,v)) + end + elseif t == "table" then + if not next(v) then + handle(format("%s {},",depth)) + elseif inline then -- and #t > 0 + local st = simple_table(v) + if st then + handle(format("%s { %s },",depth,concat(st,", "))) + else + do_serialize(v,k,depth,level+1,true) + end + else + do_serialize(v,k,depth,level+1,true) + end + elseif t == "boolean" then + handle(format("%s %s,",depth,tostring(v))) + elseif t == "function" then + if functions then + handle(format('%s loadstring(%q),',depth,dump(v))) + else + handle(format('%s "function",',depth)) + end + else + handle(format("%s %q,",depth,tostring(v))) + end + elseif k == "__p__" then -- parent + if false then + handle(format("%s __p__=nil,",depth)) + end + elseif t == "number" then + --~ if hexify then + --~ handle(format("%s %s=0x%04X,",depth,key(k),v)) + --~ else + --~ handle(format("%s %s=%s,",depth,key(k),v)) -- %.99g + --~ end + if type(k) == "number" then -- or find(k,"^%d+$") 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 noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then + if hexify then + handle(format("%s %s=0x%04X,",depth,k,v)) + else + handle(format("%s %s=%s,",depth,k,v)) -- %.99g + end + else + if hexify then + handle(format("%s [%q]=0x%04X,",depth,k,v)) + else + handle(format("%s [%q]=%s,",depth,k,v)) -- %.99g + end + end + elseif t == "string" then + if reduce and tonumber(v) then + --~ handle(format("%s %s=%s,",depth,key(k),v)) + if type(k) == "number" then -- or find(k,"^%d+$") then + if hexify then + handle(format("%s [0x%04X]=%s,",depth,k,v)) + else + handle(format("%s [%s]=%s,",depth,k,v)) + end + elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then + handle(format("%s %s=%s,",depth,k,v)) + else + handle(format("%s [%q]=%s,",depth,k,v)) + end + else + --~ handle(format("%s %s=%q,",depth,key(k),v)) + if type(k) == "number" then -- or find(k,"^%d+$") then + if hexify then + handle(format("%s [0x%04X]=%q,",depth,k,v)) + else + handle(format("%s [%s]=%q,",depth,k,v)) + end + elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then + handle(format("%s %s=%q,",depth,k,v)) + else + handle(format("%s [%q]=%q,",depth,k,v)) + end + end + elseif t == "table" then + if not next(v) then + --~ handle(format("%s %s={},",depth,key(k))) + if type(k) == "number" then -- or find(k,"^%d+$") then + if hexify then + handle(format("%s [0x%04X]={},",depth,k)) + else + handle(format("%s [%s]={},",depth,k)) + end + elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then + handle(format("%s %s={},",depth,k)) + else + handle(format("%s [%q]={},",depth,k)) + end + elseif inline then + local st = simple_table(v) + if st then + --~ handle(format("%s %s={ %s },",depth,key(k),concat(st,", "))) + if type(k) == "number" then -- or find(k,"^%d+$") 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 noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then + handle(format("%s %s={ %s },",depth,k,concat(st,", "))) + else + handle(format("%s [%q]={ %s },",depth,k,concat(st,", "))) + end + else + do_serialize(v,k,depth,level+1) + end + else + do_serialize(v,k,depth,level+1) + end + elseif t == "boolean" then + --~ handle(format("%s %s=%s,",depth,key(k),tostring(v))) + if type(k) == "number" then -- or find(k,"^%d+$") 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 noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then + handle(format("%s %s=%s,",depth,k,tostring(v))) + else + handle(format("%s [%q]=%s,",depth,k,tostring(v))) + end + elseif t == "function" then + if functions then + --~ handle(format('%s %s=loadstring(%q),',depth,key(k),dump(v))) + if type(k) == "number" then -- or find(k,"^%d+$") then + if hexify then + handle(format("%s [0x%04X]=loadstring(%q),",depth,k,dump(v))) + else + handle(format("%s [%s]=loadstring(%q),",depth,k,dump(v))) + end + elseif noquotes and not reserved[k] and find(k,"^%a[%w%_]*$") then + handle(format("%s %s=loadstring(%q),",depth,k,dump(v))) + else + handle(format("%s [%q]=loadstring(%q),",depth,k,dump(v))) + end + end + else + --~ handle(format("%s %s=%q,",depth,key(k),tostring(v))) + if type(k) == "number" then -- or find(k,"^%d+$") 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 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 + 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(root,name,_handle,_reduce,_noquotes,_hexify) + noquotes = _noquotes + hexify = _hexify + handle = _handle or print + reduce = _reduce or false + compact = table.serialize_compact + inline = compact and table.serialize_inline + functions = table.serialize_functions + local tname = type(name) + 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 and next(root) then + do_serialize(root,name,"",0,indexed) + end + handle("}") +end + +--~ name: +--~ +--~ true : return { } +--~ false : { } +--~ nil : t = { } +--~ string : string = { } +--~ 'return' : return { } +--~ number : [number] = { } + +function table.serialize(root,name,reduce,noquotes,hexify) + local t = { } + local function flush(s) + t[#t+1] = s + end + serialize(root,name,flush,reduce,noquotes,hexify) + return concat(t,"\n") +end + +function table.tohandle(handle,root,name,reduce,noquotes,hexify) + serialize(root,name,handle,reduce,noquotes,hexify) +end + +-- 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 + +table.tofile_maxtab = 2*1024 + +function table.tofile(filename,root,name,reduce,noquotes,hexify) + local f = io.open(filename,'w') + if f then + local maxtab = table.tofile_maxtab + if maxtab > 1 then + local t = { } + local function flush(s) + t[#t+1] = s + if #t > maxtab then + f:write(concat(t,"\n"),"\n") -- hm, write(sometable) should be nice + t = { } + end + end + serialize(root,name,flush,reduce,noquotes,hexify) + f:write(concat(t,"\n"),"\n") + else + local function flush(s) + f:write(s,"\n") + end + serialize(root,name,flush,reduce,noquotes,hexify) + end + f:close() + end +end + +local function flatten(t,f,complete) -- is this used? meybe a variant with next, ... + for i=1,#t do + local v = t[i] + if type(v) == "table" then + if complete or type(v[1]) == "table" then + flatten(v,f,complete) + else + f[#f+1] = v + end + else + f[#f+1] = v + end + end +end + +function table.flatten(t) + local f = { } + flatten(t,f,true) + return f +end + +function table.unnest(t) -- bad name + local f = { } + flatten(t,f,false) + return f +end + +table.flatten_one_level = table.unnest + +-- a better one: + +local function flattened(t,f) + if not f then + f = { } + end + for k, v in next, t do + if type(v) == "table" then + flattened(v,f) + else + f[k] = v + end + end + return f +end + +table.flattened = flattened + +-- the next three may disappear + +function table.remove_value(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 table.insert_before_value(t,value,str) + if str then + if value then + for i=1,#t do + if t[i] == value then + insert(t,i,str) + return + end + end + end + insert(t,1,str) + elseif value then + insert(t,1,value) + end +end + +function table.insert_after_value(t,value,str) + if str then + if value then + for i=1,#t do + if t[i] == value then + insert(t,i+1,str) + return + end + end + end + t[#t+1] = str + elseif value then + t[#t+1] = value + end +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[k] + 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.are_equal = are_equal +table.identical = identical + +-- 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, e = 0, next(t) + while e do + n, e = n + 1, next(t,e) + end + return n +end + +function table.swapped(t) + local s = { } + for k, v in next, t do + s[v] = k + end + return s +end + +--~ function table.are_equal(a,b) +--~ return table.serialize(a) == table.serialize(b) +--~ end + +function table.clone(t,p) -- t is optional or nil or table + if not p then + t, p = { }, t or { } + elseif not t then + t = { } + end + setmetatable(t, { __index = function(_,key) return p[key] end }) -- why not __index = p ? + return t +end + +function table.hexed(t,seperator) + local tt = { } + for i=1,#t do tt[i] = format("0x%04X",t[i]) end + return concat(tt,seperator or " ") +end + +function table.reverse_hash(h) + local r = { } + for k,v in next, h do + r[v] = lower(gsub(k," ","")) + end + return r +end + +function table.reverse(t) + local tt = { } + if #t > 0 then + for i=#t,1,-1 do + tt[#tt+1] = t[i] + end + end + return tt +end + +function table.insert_before_value(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 table.insert_after_value(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 + + + +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 byte, find, gsub = string.byte, string.find, string.gsub + +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 + -- collectgarbage("step") -- sometimes makes a big difference in mem consumption + local data = f:read('*all') + -- garbagecollector.check(data) + 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(table.join(data,joiner or "")) + elseif type(data) == "function" then + data(f) + else + f:write(data or "") + end + f:close() + 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) + local n = 0 + for _ in f:lines() do + n = n + 1 + end + f:seek('set',0) + return n +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 + else + return nil, nil + 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) + else + return nil, nil, nil, nil + end + end, + [2] = function(f) + local a, b = f:read(1,1) + if b then + return byte(a), byte(b) + else + return nil, nil + end + end, + [1] = function (f) + local a = f:read(1) + if a then + return byte(a) + else + return nil + end + end, + [-2] = function (f) + local a, b = f:read(1,1) + if b then + return byte(b), byte(a) + else + return nil, nil + 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) + else + return nil, nil, nil, nil + 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(string.format(" [%s]",table.concat(options,"|"))) + end + if default then + io.write(string.format(" [%s]",default)) + end + io.write(string.format(" ")) + 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 + + +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" +} + +local tostring = tostring +local format, floor, insert, match = string.format, math.floor, table.insert, string.match +local lpegmatch = lpeg.match + +number = number or { } + +-- 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 + + +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" +} + +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 = { } + for k, v in next, tabs[n] do + if v then + t[#t+1] = 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 + +--~ local c = set.create{'aap','noot','mies'} +--~ local s = set.tonumber(c) +--~ local t = set.totable(s) +--~ print(t['aap']) +--~ local c = set.create{'zus','wim','jet'} +--~ local s = set.tonumber(c) +--~ local t = set.totable(s) +--~ print(t['aap']) +--~ print(t['jet']) +--~ print(set.contains(t,'jet')) +--~ print(set.contains(t,'aap')) + + + +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" +} + +-- maybe build io.flush in os.execute + +local find, format, gsub = string.find, string.format, string.gsub +local random, ceil = math.random, math.ceil + +local execute, spawn, exec, ioflush = os.execute, os.spawn or os.execute, os.exec or os.execute, io.flush + +function os.execute(...) ioflush() return execute(...) end +function os.spawn (...) ioflush() return spawn (...) end +function os.exec (...) ioflush() return exec (...) end + +function os.resultof(command) + ioflush() -- else messed up logging + local handle = io.popen(command,"r") + if not handle then + -- print("unknown command '".. command .. "' in os.resultof") + return "" + else + return handle:read("*all") or "" + end +end + +--~ 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 + +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 = 'dll', 'exe' +else + os.libsuffix, os.binsuffix = '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 + +--~ print(os.gettimeofday()-os.time()) +--~ os.sleep(1.234) +--~ print (">>",os.runtime()) +--~ print(os.date("%H:%M:%S",os.gettimeofday())) +--~ print(os.date("%H:%M:%S",os.time())) + +-- 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 { } + +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) + +if not os.setenv then + + -- we still store them but they won't be seen in + -- child processes although we might pass them some day + -- using command concatination + + local env, getenv = { }, os.getenv + + function os.setenv(k,v) + env[k] = v + end + + function os.getenv(k) + return env[k] or getenv(k) + end + +end + +-- 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 sometims 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 sometims 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-64" + 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 + + +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 concat = table.concat +local find, gmatch, match, gsub, sub, char = string.find, string.gmatch, string.match, string.gsub, string.sub, string.char +local lpegmatch = lpeg.match + +function file.removesuffix(filename) + return (gsub(filename,"%.[%a%d]+$","")) +end + +function file.addsuffix(filename, suffix) + if not suffix or suffix == "" then + return filename + elseif not find(filename,"%.[%a%d]+$") then + return filename .. "." .. suffix + else + return filename + end +end + +function file.replacesuffix(filename, suffix) + return (gsub(filename,"%.[%a%d]+$","")) .. "." .. suffix +end + +function file.dirname(name,default) + return match(name,"^(.+)[/\\].-$") or (default or "") +end + +function file.basename(name) + return match(name,"^.+[/\\](.-)$") or name +end + +function file.nameonly(name) + return (gsub(match(name,"^.+[/\\](.-)$") or name,"%..*$","")) +end + +function file.extname(name,default) + return match(name,"^.+%.([^/\\]-)$") or default or "" +end + +file.suffix = file.extname + +--~ function file.join(...) +--~ local pth = concat({...},"/") +--~ pth = gsub(pth,"\\","/") +--~ local a, b = match(pth,"^(.*://)(.*)$") +--~ if a and b then +--~ return a .. gsub(b,"//+","/") +--~ end +--~ a, b = match(pth,"^(//)(.*)$") +--~ if a and b then +--~ return a .. gsub(b,"//+","/") +--~ end +--~ return (gsub(pth,"//+","/")) +--~ end + +local trick_1 = char(1) +local trick_2 = "^" .. trick_1 .. "/+" + +function file.join(...) + local lst = { ... } + local a, b = lst[1], lst[2] + if a == "" then + lst[1] = trick_1 + elseif b and find(a,"^/+$") 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 + +--~ print(file.join("//","/y")) +--~ print(file.join("/","/y")) +--~ print(file.join("","/y")) +--~ print(file.join("/x/","/y")) +--~ print(file.join("x/","/y")) +--~ print(file.join("http://","/y")) +--~ print(file.join("http://a","/y")) +--~ print(file.join("http:///a","/y")) +--~ print(file.join("//nas-1","/y")) + +function file.iswritable(name) + local a = lfs.attributes(name) or lfs.attributes(file.dirname(name,".")) + return a and sub(a.permissions,2,2) == "w" +end + +function file.isreadable(name) + local a = lfs.attributes(name) + return a and sub(a.permissions,1,1) == "r" +end + +file.is_readable = file.isreadable +file.is_writable = file.iswritable + +-- todo: lpeg + +--~ function file.split_path(str) +--~ local t = { } +--~ str = gsub(str,"\\", "/") +--~ str = gsub(str,"(%a):([;/])", "%1\001%2") +--~ for name in gmatch(str,"([^;:]+)") do +--~ if name ~= "" then +--~ t[#t+1] = gsub(name,"\001",":") +--~ end +--~ end +--~ return t +--~ end + +local checkedsplit = string.checkedsplit + +function file.split_path(str,separator) + str = gsub(str,"\\","/") + return checkedsplit(str,separator or io.pathseparator) +end + +function file.join_path(tab) + return concat(tab,io.pathseparator) -- can have trailing // +end + +-- we can hash them weakly + +function file.collapse_path(str) + str = gsub(str,"\\","/") + if find(str,"/") then + str = gsub(str,"^%./",(gsub(lfs.currentdir(),"\\","/")) .. "/") -- ./xx in qualified + str = gsub(str,"/%./","/") + local n, m = 1, 1 + while n > 0 or m > 0 do + str, n = gsub(str,"[^/%.]+/%.%.$","") + str, m = gsub(str,"[^/%.]+/%.%./","") + end + str = gsub(str,"([^/])/$","%1") + -- str = gsub(str,"^%./","") -- ./xx in qualified + str = gsub(str,"/%.$","") + end + if str == "" then str = "." end + return str +end + +--~ print(file.collapse_path("/a")) +--~ print(file.collapse_path("a/./b/..")) +--~ print(file.collapse_path("a/aa/../b/bb")) +--~ print(file.collapse_path("a/../..")) +--~ print(file.collapse_path("a/.././././b/..")) +--~ print(file.collapse_path("a/./././b/..")) +--~ print(file.collapse_path("a/b/c/../..")) + +function file.robustname(str) + return (gsub(str,"[^%a%d%/%-%.\\]+","-")) +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 + +--~ local period = lpeg.P(".") +--~ local slashes = lpeg.S("\\/") +--~ local noperiod = 1-period +--~ local noslashes = 1-slashes +--~ local name = noperiod^1 + +--~ local pattern = (noslashes^0 * slashes)^0 * (noperiod^1 * period)^1 * lpeg.C(noperiod^1) * -1 + +--~ function file.extname(name) +--~ return lpegmatch(pattern,name) or "" +--~ end + +--~ local pattern = lpeg.Cs(((period * noperiod^1 * -1)/"" + 1)^1) + +--~ function file.removesuffix(name) +--~ return lpegmatch(pattern,name) +--~ end + +--~ local pattern = (noslashes^0 * slashes)^1 * lpeg.C(noslashes^1) * -1 + +--~ function file.basename(name) +--~ return lpegmatch(pattern,name) or name +--~ end + +--~ local pattern = (noslashes^0 * slashes)^1 * lpeg.Cp() * noslashes^1 * -1 + +--~ function file.dirname(name) +--~ local p = lpegmatch(pattern,name) +--~ if p then +--~ return sub(name,1,p-2) +--~ else +--~ return "" +--~ end +--~ end + +--~ local pattern = (noslashes^0 * slashes)^0 * (noperiod^1 * period)^1 * lpeg.Cp() * noperiod^1 * -1 + +--~ function file.addsuffix(name, suffix) +--~ local p = lpegmatch(pattern,name) +--~ if p then +--~ return name +--~ else +--~ return name .. "." .. suffix +--~ end +--~ end + +--~ local pattern = (noslashes^0 * slashes)^0 * (noperiod^1 * period)^1 * lpeg.Cp() * noperiod^1 * -1 + +--~ function file.replacesuffix(name,suffix) +--~ local p = lpegmatch(pattern,name) +--~ if p then +--~ return sub(name,1,p-2) .. "." .. suffix +--~ else +--~ return name .. "." .. suffix +--~ end +--~ end + +--~ local pattern = (noslashes^0 * slashes)^0 * lpeg.Cp() * ((noperiod^1 * period)^1 * lpeg.Cp() + lpeg.P(true)) * noperiod^1 * -1 + +--~ function file.nameonly(name) +--~ local a, b = lpegmatch(pattern,name) +--~ if b then +--~ return sub(name,a,b-2) +--~ elseif a then +--~ return sub(name,a) +--~ else +--~ return name +--~ end +--~ end + +--~ local test = file.extname +--~ local test = file.basename +--~ local test = file.dirname +--~ local test = file.addsuffix +--~ local test = file.replacesuffix +--~ local test = file.nameonly + +--~ print(1,test("./a/b/c/abd.def.xxx","!!!")) +--~ print(2,test("./../b/c/abd.def.xxx","!!!")) +--~ print(3,test("a/b/c/abd.def.xxx","!!!")) +--~ print(4,test("a/b/c/def.xxx","!!!")) +--~ print(5,test("a/b/c/def","!!!")) +--~ print(6,test("def","!!!")) +--~ print(7,test("def.xxx","!!!")) + +--~ local tim = os.clock() for i=1,250000 do local ext = test("abd.def.xxx","!!!") end print(os.clock()-tim) + +-- also rewrite previous + +local letter = lpeg.R("az","AZ") + lpeg.S("_-+") +local separator = lpeg.P("://") + +local qualified = lpeg.P(".")^0 * lpeg.P("/") + letter*lpeg.P(":") + letter^1*separator + letter^1 * lpeg.P("/") +local rootbased = lpeg.P("/") + letter*lpeg.P(":") + +-- ./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 + +local slash = lpeg.S("\\/") +local period = lpeg.P(".") +local drive = lpeg.C(lpeg.R("az","AZ")) * lpeg.P(":") +local path = lpeg.C(((1-slash)^0 * slash)^0) +local suffix = period * lpeg.C(lpeg.P(1-period)^0 * lpeg.P(-1)) +local base = lpeg.C((1-suffix)^0) + +local pattern = (drive + lpeg.Cc("")) * (path + lpeg.Cc("")) * (base + lpeg.Cc("")) * (suffix + lpeg.Cc("")) + +function file.splitname(str) -- returns drive, path, base, suffix + return lpegmatch(pattern,str) +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" } + +--~ -- todo: +--~ +--~ if os.type == "windows" then +--~ local currentdir = lfs.currentdir +--~ function lfs.currentdir() +--~ return (gsub(currentdir(),"\\","/")) +--~ end +--~ 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 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 + +--~ if not md5.HEX then +--~ local function remap(chr) return format("%02X",byte(chr)) end +--~ function md5.HEX(str) return (gsub(md5.sum(str),".",remap)) end +--~ end +--~ if not md5.hex then +--~ local function remap(chr) return format("%02x",byte(chr)) end +--~ function md5.hex(str) return (gsub(md5.sum(str),".",remap)) end +--~ end +--~ if not md5.dec then +--~ local function remap(chr) return format("%03i",byte(chr)) end +--~ function md5.dec(str) return (gsub(md5.sum(str),".",remap)) end +--~ end + +file.needs_updating_threshold = 1 + +function file.needs_updating(oldname,newname) -- 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 < file.needs_updating_threshold 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 = string.char, string.gmatch, string.gsub +local tonumber, type = tonumber, type +local lpegmatch = lpeg.match + +-- from the spec (on the web): +-- +-- foo://example.com:8042/over/there?name=ferret#nose +-- \_/ \______________/\_________/ \_________/ \__/ +-- | | | | | +-- scheme authority path query fragment +-- | _____________________|__ +-- / \ / \ +-- urn:example:animal:ferret:nose + +url = url or { } + +local function tochar(s) + return char(tonumber(s,16)) +end + +local colon, qmark, hash, slash, percent, endofstring = lpeg.P(":"), lpeg.P("?"), lpeg.P("#"), lpeg.P("/"), lpeg.P("%"), lpeg.P(-1) + +local hexdigit = lpeg.R("09","AF","af") +local plus = lpeg.P("+") +local escaped = (plus / " ") + (percent * lpeg.C(hexdigit * hexdigit) / tochar) + +-- we assume schemes with more than 1 character (in order to avoid problems with windows disks) + +local scheme = lpeg.Cs((escaped+(1-colon-slash-qmark-hash))^2) * colon + lpeg.Cc("") +local authority = slash * slash * lpeg.Cs((escaped+(1- slash-qmark-hash))^0) + lpeg.Cc("") +local path = slash * lpeg.Cs((escaped+(1- qmark-hash))^0) + lpeg.Cc("") +local query = qmark * lpeg.Cs((escaped+(1- hash))^0) + lpeg.Cc("") +local fragment = hash * lpeg.Cs((escaped+(1- endofstring))^0) + lpeg.Cc("") + +local parser = lpeg.Ct(scheme * authority * path * query * fragment) + +-- 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 + +function url.split(str) + return (type(str) == "string" and lpegmatch(parser,str)) or str +end + +-- todo: cache them + +function url.hashed(str) + local s = url.split(str) + local somescheme = s[1] ~= "" + return { + scheme = (somescheme and s[1]) or "file", + authority = s[2], + path = s[3], + query = s[4], + fragment = s[5], + original = str, + noscheme = not somescheme, + } +end + +function url.hasscheme(str) + return url.split(str)[1] ~= "" +end + +function url.addscheme(str,scheme) + return (url.hasscheme(str) and str) or ((scheme or "file:///") .. str) +end + +function url.construct(hash) + local fullurl = hash.sheme .. "://".. hash.authority .. hash.path + if hash.query then + fullurl = fullurl .. "?".. hash.query + end + if hash.fragment then + fullurl = fullurl .. "?".. hash.fragment + end + return fullurl +end + +function url.filename(filename) + local t = url.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 + +--~ print(url.filename("file:///c:/oeps.txt")) +--~ print(url.filename("c:/oeps.txt")) +--~ print(url.filename("file:///oeps.txt")) +--~ print(url.filename("file:///etc/test.txt")) +--~ print(url.filename("/oeps.txt")) + +--~ from the spec on the web (sort of): +--~ +--~ function test(str) +--~ print(table.serialize(url.hashed(str))) +--~ end +--~ +--~ test("%56pass%20words") +--~ test("file:///c:/oeps.txt") +--~ test("file:///c|/oeps.txt") +--~ test("file:///etc/oeps.txt") +--~ test("file://./etc/oeps.txt") +--~ test("file:////etc/oeps.txt") +--~ test("ftp://ftp.is.co.za/rfc/rfc1808.txt") +--~ test("http://www.ietf.org/rfc/rfc2396.txt") +--~ test("ldap://[2001:db8::7]/c=GB?objectClass?one#what") +--~ test("mailto:John.Doe@example.com") +--~ test("news:comp.infosystems.www.servers.unix") +--~ test("tel:+1-816-555-1212") +--~ test("telnet://192.0.2.16:80/") +--~ test("urn:oasis:names:specification:docbook:dtd:xml:4.1.2") +--~ test("/etc/passwords") +--~ test("http://www.pragma-ade.com/spaced%20name") + +--~ test("zip:///oeps/oeps.zip#bla/bla.tex") +--~ test("zip:///oeps/oeps.zip?bla/bla.tex") + + +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.expand_name will be merged with cleanpath and collapsepath + +local type = type +local find, gmatch, match, gsub = string.find, string.gmatch, string.match, string.gsub +local lpegmatch = lpeg.match + +dir = dir or { } + +-- handy + +function dir.current() + return (gsub(lfs.currentdir(),"\\","/")) +end + +-- optimizing for no string.find (*) does not save time + +local attributes = lfs.attributes +local walkdir = lfs.dir + +local function glob_pattern(path,patt,recurse,action) + local ok, scanner + if path == "/" then + ok, scanner = xpcall(function() return walkdir(path..".") end, function() end) -- kepler safe + else + ok, scanner = 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 do + 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 + glob_pattern(full,patt,recurse,action) + end + end + end +end + +dir.glob_pattern = glob_pattern + +local function collect_pattern(path,patt,recurse,result) + local ok, scanner + result = result or { } + if path == "/" then + ok, scanner = xpcall(function() return walkdir(path..".") end, function() end) -- kepler safe + else + ok, scanner = 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 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 = collect_pattern(full,patt,recurse) + result[name] = attr + end + end + end + return result +end + +dir.collect_pattern = collect_pattern + +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 + +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 lfs.isfile(str) then + t(str) + else + local split = lpegmatch(pattern,str) + 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) + glob_pattern(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 lfs.isfile(str) then + local t = t or { } + t[#t+1] = str + return t + else + local split = lpegmatch(pattern,str) + 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) + glob_pattern(start,result,recurse,action) + return t + else + return { } + end + end + end +end + +dir.glob = glob + +--~ list = dir.glob("**/*.tif") +--~ list = dir.glob("/**/*.tif") +--~ list = dir.glob("./**/*.tif") +--~ list = dir.glob("oeps/**/*.tif") +--~ list = dir.glob("/oeps/**/*.tif") + +local function globfiles(path,recurse,func,files) -- func == pattern or function + if type(func) == "string" then + local s = func -- alas, we need this indirect way + func = function(name) return find(name,s) end + end + files = files or { } + 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 func then + if func(name) then + files[#files+1] = path .. "/" .. name + end + else + files[#files+1] = 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 table.concat(glob(pattern),"\n") +end + +--~ mkdirs("temp") +--~ mkdirs("a/b/c") +--~ mkdirs(".","/a/b/c") +--~ mkdirs("a","b","c") + +local make_indeed = true -- false + +if string.find(os.getenv("PATH"),";") then -- os.type == "windows" + + 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 lfs.isdir(pth) then + lfs.mkdir(pth) + end + end + return pth, (lfs.isdir(pth) == true) + end + +--~ print(dir.mkdirs("","","a","c")) +--~ print(dir.mkdirs("a")) +--~ print(dir.mkdirs("a:")) +--~ print(dir.mkdirs("a:/b/c")) +--~ print(dir.mkdirs("a:b/c")) +--~ print(dir.mkdirs("a:/bbb/c")) +--~ print(dir.mkdirs("/a/b/c")) +--~ print(dir.mkdirs("/aaa/b/c")) +--~ print(dir.mkdirs("//a/b/c")) +--~ print(dir.mkdirs("///a/b/c")) +--~ print(dir.mkdirs("a/bbb//ccc/")) + + function dir.expand_name(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]:)(.*)$") + if first and not find(last,"^/") then + local d = lfs.currentdir() + if lfs.chdir(first) then + first = dir.current() + end + lfs.chdir(d) + end + end + if not first then + first, last = dir.current(), str + end + last = gsub(last,"//","/") + last = gsub(last,"/%./","/") + last = gsub(last,"^/*","") + first = gsub(first,"/*$","") + if last == "" then + return first + else + return first .. "/" .. last + end + end + +else + + 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 + 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 lfs.isdir(pth) then + lfs.mkdir(pth) + end + end + else + pth = "." + for s in gmatch(str,"[^/]+") do + pth = pth .. "/" .. s + if make_indeed and not lfs.isdir(pth) then + lfs.mkdir(pth) + end + end + end + return pth, (lfs.isdir(pth) == true) + end + +--~ print(dir.mkdirs("","","a","c")) +--~ print(dir.mkdirs("a")) +--~ print(dir.mkdirs("/a/b/c")) +--~ print(dir.mkdirs("/aaa/b/c")) +--~ print(dir.mkdirs("//a/b/c")) +--~ print(dir.mkdirs("///a/b/c")) +--~ print(dir.mkdirs("a/bbb//ccc/")) + + function dir.expand_name(str) -- will be merged with cleanpath and collapsepath + if not find(str,"^/") then + str = lfs.currentdir() .. "/" .. str + end + str = gsub(str,"//","/") + str = gsub(str,"/%./","/") + return str + end + +end + +dir.makedirs = dir.mkdirs + + +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" +} + +boolean = boolean or { } + +local type, tonumber = type, tonumber + +function boolean.tonumber(b) + if b then return 1 else return 0 end +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 + +function string.is_boolean(str) + 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 nil +end + +function boolean.alwaystrue() + return true +end + +function boolean.falsetrue() + return false +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 + +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 -- of closure + +do -- create closure to overcome 200 locals limit + +if not modules then modules = { } end modules ['l-utils'] = { + 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 = string.gsub +local concat = table.concat +local type, next = type, next + +if not utils then utils = { } end +if not utils.merger then utils.merger = { } end +if not utils.lua then utils.lua = { } end + +utils.merger.m_begin = "begin library merge" +utils.merger.m_end = "end library merge" +utils.merger.pattern = + "%c+" .. + "%-%-%s+" .. utils.merger.m_begin .. + "%c+(.-)%c+" .. + "%-%-%s+" .. utils.merger.m_end .. + "%c+" + +function utils.merger._self_fake_() + return + "-- " .. "created merged file" .. "\n\n" .. + "-- " .. utils.merger.m_begin .. "\n\n" .. + "-- " .. utils.merger.m_end .. "\n\n" +end + +function utils.report(...) + print(...) +end + +utils.merger.strip_comment = true + +function utils.merger._self_load_(name) + local f, data = io.open(name), "" + if f then + utils.report("reading merge from %s",name) + data = f:read("*all") + f:close() + else + utils.report("unknown file to merge %s",name) + end + if data and utils.merger.strip_comment then + -- saves some 20K + data = gsub(data,"%-%-~[^\n\r]*[\r\n]", "") + end + return data or "" +end + +function utils.merger._self_save_(name, data) + if data ~= "" then + local f = io.open(name,'w') + if f then + utils.report("saving merge from %s",name) + f:write(data) + f:close() + end + end +end + +function utils.merger._self_swap_(data,code) + if data ~= "" then + return (gsub(data,utils.merger.pattern, function(s) + return "\n\n" .. "-- "..utils.merger.m_begin .. "\n" .. code .. "\n" .. "-- "..utils.merger.m_end .. "\n\n" + end, 1)) + else + return "" + end +end + +--~ stripper: +--~ +--~ data = gsub(data,"%-%-~[^\n]*\n","") +--~ data = gsub(data,"\n\n+","\n") + +function utils.merger._self_libs_(libs,list) + local result, f, frozen = { }, nil, false + result[#result+1] = "\n" + if type(libs) == 'string' then libs = { libs } end + if type(list) == 'string' then list = { list } end + local foundpath = nil + for i=1,#libs do + local lib = libs[i] + for j=1,#list do + local pth = gsub(list[j],"\\","/") -- file.clean_path + utils.report("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 + utils.report("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 + -- right[#right+1] = lib + utils.report("merging library %s",fullname) + result[#result+1] = "do -- create closure to overcome 200 locals limit" + result[#result+1] = io.loaddata(fullname,true) + result[#result+1] = "end -- of closure" + else + -- wrong[#wrong+1] = lib + utils.report("no library %s",fullname) + end + end + if #right > 0 then + utils.report("merged libraries: %s",concat(right," ")) + end + if #wrong > 0 then + utils.report("skipped libraries: %s",concat(wrong," ")) + end + else + utils.report("no valid library path found") + end + return concat(result, "\n\n") +end + +function utils.merger.selfcreate(libs,list,target) + if target then + utils.merger._self_save_( + target, + utils.merger._self_swap_( + utils.merger._self_fake_(), + utils.merger._self_libs_(libs,list) + ) + ) + end +end + +function utils.merger.selfmerge(name,libs,list,target) + utils.merger._self_save_( + target or name, + utils.merger._self_swap_( + utils.merger._self_load_(name), + utils.merger._self_libs_(libs,list) + ) + ) +end + +function utils.merger.selfclean(name) + utils.merger._self_save_( + name, + utils.merger._self_swap_( + utils.merger._self_load_(name), + "" + ) + ) +end + +function utils.lua.compile(luafile, lucfile, cleanup, strip) -- defaults: cleanup=false strip=true + -- utils.report("compiling",luafile,"into",lucfile) + os.remove(lucfile) + local command = "-o " .. string.quote(lucfile) .. " " .. string.quote(luafile) + if strip ~= false then + command = "-s " .. command + end + local done = (os.spawn("texluac " .. command) == 0) or (os.spawn("luac " .. command) == 0) + if done and cleanup == true and lfs.isfile(lucfile) and lfs.isfile(luafile) then + -- utils.report("removing",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 ['l-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" +} + +-- for inline, no store split : for s in string.gmatch(str,",* *([^,]+)") do .. end + +aux = aux or { } + +local concat, format, gmatch = table.concat, string.format, string.gmatch +local tostring, type = tostring, type +local lpegmatch = lpeg.match + +local P, R, V = lpeg.P, lpeg.R, lpeg.V + +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 = lpeg.P(' ') +local equal = lpeg.P("=") +local comma = lpeg.P(",") +local lbrace = lpeg.P("{") +local rbrace = lpeg.P("}") +local nobrace = 1 - (lbrace+rbrace) +local nested = lpeg.P { lbrace * (nobrace + lpeg.V(1))^0 * rbrace } +local spaces = space^0 + +local value = lpeg.P(lbrace * lpeg.C((nobrace + nested)^0) * rbrace) + lpeg.C((nested + (1-comma))^0) + +local key = lpeg.C((1-equal-comma)^1) +local pattern_a = (space+comma)^0 * (key * equal * value + key * lpeg.C("")) +local pattern_c = (space+comma)^0 * (key * equal * value) + +local key = lpeg.C((1-space-equal-comma)^1) +local pattern_b = spaces * comma^0 * spaces * (key * ((spaces * equal * spaces * value) + lpeg.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) -- using Carg is slower here + 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 + +aux.settings_to_hash_pattern_a = pattern_a_s +aux.settings_to_hash_pattern_b = pattern_b_s +aux.settings_to_hash_pattern_c = pattern_c_s + +function aux.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 aux.settings_to_hash(str,existing) + if str and str ~= "" then + hash = existing or { } + if moretolerant then + lpegmatch(pattern_b_s,str) + else + lpegmatch(pattern_a_s,str) + end + return hash + else + return { } + end +end + +function aux.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 aux.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 = lpeg.P(lbrace * lpeg.C((nobrace + nested)^0) * rbrace) + lpeg.C((nested + (1-comma))^0) +local pattern = lpeg.Ct(value*(separator*value)^0) + +-- "aap, {noot}, mies" : outer {} removes, leading spaces ignored + +aux.settings_to_array_pattern = pattern + +-- we could use a weak table as cache + +function aux.settings_to_array(str) + if not str or str == "" then + return { } + else + return lpegmatch(pattern,str) + end +end + +local function set(t,v) + t[#t+1] = v +end + +local value = lpeg.P(lpeg.Carg(1)*value) / set +local pattern = value*(separator*value)^0 * lpeg.Carg(1) + +function aux.add_settings_to_array(t,str) + return lpegmatch(pattern,str,nil,t) +end + +function aux.hash_to_string(h,separator,yes,no,strict,omit) + if h then + local t, s = { }, 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 + t[#t+1] = key .. '=' .. yes + elseif not strict then + t[#t+1] = key .. '=' .. no + end + elseif value or not strict then + t[#t+1] = key .. '=' .. tostring(value) + end + else + t[#t+1] = key .. '=' .. value + end + end + end + return concat(t,separator or ",") + else + return "" + end +end + +function aux.array_to_string(a,separator) + if a then + return concat(a,separator or ",") + else + return "" + end +end + +function aux.settings_to_set(str,t) + t = t or { } + for s in gmatch(str,"%s*([^,]+)") do + t[s] = true + end + return t +end + +local value = lbrace * lpeg.C((nobrace + nested)^0) * rbrace +local pattern = lpeg.Ct((space + value)^0) + +function aux.arguments_to_table(str) + return lpegmatch(pattern,str) +end + +-- temporary here + +function aux.getparameters(self,class,parentclass,settings) + local sc = self[class] + if not sc then + sc = table.clone(self[parent]) + self[class] = sc + end + aux.settings_to_hash(settings,sc) +end + +-- temporary here + +local digit = lpeg.R("09") +local period = lpeg.P(".") +local zero = lpeg.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 = lpeg.Cs((number + 1)^0) + +--~ local sample = "bla 11.00 bla 11 bla 0.1100 bla 1.00100 bla 0.00 bla 0.001 bla 1.1100 bla 0.100100100 bla 0.00100100100" +--~ collectgarbage("collect") +--~ str = string.rep(sample,10000) +--~ local ts = os.clock() +--~ lpegmatch(stripper,str) +--~ print(#str, os.clock()-ts, lpegmatch(stripper,sample)) + +lpeg.patterns.strip_zeros = stripper + +function aux.strip_zeros(str) + return lpegmatch(stripper,str) +end + +function aux.definetable(target) -- defines undefined tables + local composed, t = nil, { } + for name in gmatch(target,"([^%.]+)") do + if composed then + composed = composed .. "." .. name + else + composed = name + end + t[#t+1] = format("%s = %s or { }",composed,composed) + end + return concat(t,"\n") +end + +function aux.accesstable(target) + local t = _G + for name in gmatch(target,"([^%.]+)") do + t = t[name] + end + return t +end + +--~ function string.commaseparated(str) +--~ return gmatch(str,"([^,%s]+)") +--~ end + +-- as we use this a lot ... + +--~ function aux.cachefunction(action,weak) +--~ local cache = { } +--~ if weak then +--~ setmetatable(cache, { __mode = "kv" } ) +--~ end +--~ local function reminder(str) +--~ local found = cache[str] +--~ if not found then +--~ found = action(str) +--~ cache[str] = found +--~ end +--~ return found +--~ end +--~ return reminder, cache +--~ end + + +end -- of closure + +do -- create closure to overcome 200 locals limit + +if not modules then modules = { } end modules ['trac-tra'] = { + version = 1.001, + comment = "companion to trac-tra.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 = type, next +local concat = table.concat +local format, find, lower, gmatch, gsub = string.format, string.find, string.lower, string.gmatch, string.gsub + +debugger = debugger or { } + +local counters = { } +local names = { } + +-- one + +local function hook() + local f = getinfo(2,"f").func + local n = getinfo(2,"Sn") +-- if n.what == "C" and n.name then print (n.namewhat .. ': ' .. n.name) end + if f then + local cf = counters[f] + if cf == nil then + counters[f] = 1 + names[f] = n + else + counters[f] = cf + 1 + end + end +end +local function getname(func) + local n = names[func] + if n then + if n.what == "C" then + return n.name or '<anonymous>' + else + -- source short_src linedefined what name namewhat nups func + local name = n.name or n.namewhat or n.what + if not name or name == "" then name = "?" end + return format("%s : %s : %s", n.short_src or "unknown source", n.linedefined or "--", name) + end + else + return "unknown" + end +end +function debugger.showstats(printer,threshold) + printer = printer or texio.write or print + threshold = threshold or 0 + local total, grandtotal, functions = 0, 0, 0 + printer("\n") -- ugly but ok + -- table.sort(counters) + for func, count in next, counters do + if count > threshold then + local name = getname(func) + if not find(name,"for generator") then + printer(format("%8i %s", count, name)) + total = total + count + end + end + grandtotal = grandtotal + count + functions = functions + 1 + end + printer(format("functions: %s, total: %s, grand total: %s, threshold: %s\n", functions, total, grandtotal, threshold)) +end + +-- two + +--~ local function hook() +--~ local n = getinfo(2) +--~ if n.what=="C" and not n.name then +--~ local f = tostring(debug.traceback()) +--~ local cf = counters[f] +--~ if cf == nil then +--~ counters[f] = 1 +--~ names[f] = n +--~ else +--~ counters[f] = cf + 1 +--~ end +--~ end +--~ end +--~ function debugger.showstats(printer,threshold) +--~ printer = printer or texio.write or print +--~ threshold = threshold or 0 +--~ local total, grandtotal, functions = 0, 0, 0 +--~ printer("\n") -- ugly but ok +--~ -- table.sort(counters) +--~ for func, count in next, counters do +--~ if count > threshold then +--~ printer(format("%8i %s", count, func)) +--~ total = total + count +--~ end +--~ grandtotal = grandtotal + count +--~ functions = functions + 1 +--~ end +--~ printer(format("functions: %s, total: %s, grand total: %s, threshold: %s\n", functions, total, grandtotal, threshold)) +--~ end + +-- rest + +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() +--~ counters[debug.getinfo(2,"f").func] = nil +end + +function debugger.tracing() + local n = tonumber(os.env['MTX.TRACE.CALLS']) or tonumber(os.env['MTX_TRACE_CALLS']) or 0 + if n > 0 then + function debugger.tracing() return true end ; return true + else + function debugger.tracing() return false end ; return false + end +end + +--~ debugger.enable() + +--~ print(math.sin(1*.5)) +--~ print(math.sin(1*.5)) +--~ print(math.sin(1*.5)) +--~ print(math.sin(1*.5)) +--~ print(math.sin(1*.5)) + +--~ debugger.disable() + +--~ print("") +--~ debugger.showstats() +--~ print("") +--~ debugger.showstats(print,3) + +setters = setters or { } +setters.data = setters.data or { } + +--~ local function set(t,what,value) +--~ local data, done = t.data, t.done +--~ if type(what) == "string" then +--~ what = aux.settings_to_array(what) -- inefficient but ok +--~ end +--~ for i=1,#what do +--~ local w = what[i] +--~ for d, f in next, data do +--~ if done[d] then +--~ -- prevent recursion due to wildcards +--~ elseif find(d,w) then +--~ done[d] = true +--~ for i=1,#f do +--~ f[i](value) +--~ end +--~ end +--~ end +--~ end +--~ end + +local function set(t,what,value) + local data, done = t.data, t.done + if type(what) == "string" then + what = aux.settings_to_hash(what) -- inefficient but ok + end + for w, v in next, what do + if v == "" then + v = value + else + v = toboolean(v) + end + for d, f in next, data do + if done[d] then + -- prevent recursion due to wildcards + elseif find(d,w) then + done[d] = true + for i=1,#f do + f[i](v) + end + end + end + end +end + +local function reset(t) + for d, f in next, t.data do + for i=1,#f do + f[i](false) + end + 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 w = data[what] + if not w then + w = { } + data[what] = w + end + for _, fnc in next, { ... } do + local typ = type(fnc) + if typ == "function" then + w[#w+1] = fnc + elseif typ == "string" then + w[#w+1] = function(value) set(t,fnc,value,nesting) end + end + end +end + +function setters.enable(t,what) + local e = t.enable + t.enable, t.done = enable, { } + enable(t,string.simpleesc(tostring(what))) + t.enable, t.done = e, { } +end + +function setters.disable(t,what) + local e = t.disable + t.disable, t.done = disable, { } + disable(t,string.simpleesc(tostring(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) + commands.writestatus("","") + local list = setters.list(t) + for k=1,#list do + commands.writestatus(t.name,list[k]) + end + commands.writestatus("","") +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 + +function setters.new(name) + local t + t = { + data = { }, + name = name, + enable = function(...) setters.enable (t,...) end, + disable = function(...) setters.disable (t,...) end, + register = function(...) setters.register(t,...) end, + list = function(...) setters.list (t,...) end, + show = function(...) setters.show (t,...) end, + } + setters.data[name] = t + return t +end + +trackers = setters.new("trackers") +directives = setters.new("directives") +experiments = setters.new("experiments") + +-- 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) + +local e = directives.enable +local d = directives.disable + +function directives.enable(...) + commands.writestatus("directives","enabling: %s",concat({...}," ")) + e(...) +end + +function directives.disable(...) + commands.writestatus("directives","disabling: %s",concat({...}," ")) + d(...) +end + +local e = experiments.enable +local d = experiments.disable + +function experiments.enable(...) + commands.writestatus("experiments","enabling: %s",concat({...}," ")) + e(...) +end + +function experiments.disable(...) + commands.writestatus("experiments","disabling: %s",concat({...}," ")) + d(...) +end + +-- a useful example + +directives.register("system.nostatistics", function(v) + statistics.enable = not v +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 + +local trace_entities = false trackers.register("xml.entities", function(v) trace_entities = v 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> +--ldx]]-- + +xml = xml or { } + +--~ local xml = xml + +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 = unicode.utf8.char +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, top, dt, at, xmlns, errorstr, entities = { }, { }, { }, { }, { }, nil, { } +local strip, cleanup, utfize, resolve, resolve_predefined, unify_predefined = false, false, false, false, false, false +local dcache, hcache, acache = { }, { }, { } + +local mt = { } + +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.check_error(top,toclose) + return "" +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.check_error(top,toclose) or "") + elseif toclose.tg ~= tag then -- no namespace check + errorstr = format("unable to close %s with %s %s", toclose.tg, tag, xml.check_error(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 + logs.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 + logs.report("xml","invalid attribute specification: %q",str) + reported_attribute_errors[str] = true + at._error_ = str + end + return str +end + +function xml.unknown_dec_entity_format(str) return (str == "" and "&error;") or format("&%s;",str) end +function xml.unknown_hex_entity_format(str) return format("&#x%s;",str) end +function xml.unknown_any_entity_format(str) return format("&#x%s;",str) end + +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] = "&gr;", +} + +local predefined_simplified = { + [38] = "&", amp = "&", + [42] = '"', quot = '"', + [47] = "'", apos = "'", + [74] = "<", lt = "<", + [76] = ">", gt = ">", +} + +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 + logs.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_format(str) or "" + if not n then + logs.report("xml","utfize, ignoring hex entity &#x%s;",str) + elseif trace_entities then + logs.report("xml","utfize, converting hex entity &#x%s; into %s",str,h) + end + else + if trace_entities then + logs.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 + logs.report("xml","utfize, converting dec entity &#%s; into %s",str,d) + end + elseif utfize then + d = (n and utfchar(n)) or xml.unknown_dec_entity_format(str) or "" + if not n then + logs.report("xml","utfize, ignoring dec entity &#%s;",str) + elseif trace_entities then + logs.report("xml","utfize, converting dec entity &#%s; into %s",str,h) + end + else + if trace_entities then + logs.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 + -- one of the predefined + elseif type(resolve) == "function" then + a = resolve(str) or entities[str] + else + a = entities[str] + end + if a then + if trace_entities then + logs.report("xml","resolved entity &%s; -> %s (internal)",str,a) + end + a = lpegmatch(parsedentity,a) or a + else + if xml.unknown_any_entity_format then + a = xml.unknown_any_entity_format(str) or "" + end + if a then + if trace_entities then + logs.report("xml","resolved entity &%s; -> %s (external)",str,a) + end + else + if trace_entities then + logs.report("xml","keeping entity &%s;",str) + end + if str == "" then + a = "&error;" + else + a = "&" .. str .. ";" + end + end + end + acache[str] = a + elseif trace_entities then + if not acache[str] then + logs.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 + if trace_entities then + logs.report("xml","found entity &%s;",str) + end + a = resolve_predefined and predefined_simplified[str] + if a then + -- one of the predefined + acache[str] = a + elseif str == "" then + a = "&error;" + acache[str] = a + else + a = "&" .. str .. ";" + acache[str] = a + end + end + return a + end +end + +local function handle_end_entity(chr) + logs.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 +local 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 + +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 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 + +local doctypeset = beginset * optionalspace * P(elementdoctype + entitydoctype + 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 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 settinsg 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 + stack, top, at, xmlns, errorstr, result, entities = { }, { }, { }, { }, nil, nil, settings.entities or { } + 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 + if errorstr and errorstr ~= "" then + result = { dt = { { ns = "", tg = "error", dt = { errorstr }, at={ }, er = true } } } + setmetatable(stack, mt) + local error_handler = settings.error_handler + if error_handler == false then + -- no error message + else + error_handler = error_handler or xml.error_handler + if error_handler then + xml.error_handler("load",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 + return result +end + +xml.convert = xmlconvert + +function xml.inheritedconvert(data,xmldata) + local settings = xmldata.settings + settings.parent_root = xmldata -- to be tested + -- settings.no_root = true + local xc = xmlconvert(data,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.error_handler = (logs and logs.report) or (input and logs.report) or print + +--[[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, found = root.dt, false + 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 + found = true + break + end + end + if not found then + insert(dt, 1, { special=true, ns="", tg="@pi@", dt = { "xml version='1.0' standalone='yes'"} } ) + insert(dt, 2, "\n" ) + end + 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) + 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,v) + end + end + if ern and trace_remap 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(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 ei = edt[i] + if type(ei) == "string" then + handle(ei) + else + serialize(ei,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(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) + 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 + 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 + 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 root then + if 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 + return "" +end + +local function xmltext(root) -- inline + return (root and xmltostring(root)) or "" +end + +function initialize_mt(root) + mt = { __tostring = xmltext, __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]]-- + +--~ xmlsetproperty(root,"settings",settings) + +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 = xmltostring(e.dt) + 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 +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 + +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 = lpeg.match + +-- 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 + +--[[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 lpathcalls = 0 function xml.lpathcalls () return lpathcalls end +local lpathcached = 0 function xml.lpathcached() return lpathcached end + +xml.functions = xml.functions or { } -- internal +xml.expressions = xml.expressions or { } -- in expressions +xml.finalizers = xml.finalizers or { } -- fast do-with ... (with return value other than collection) +xml.specialhandler = xml.specialhandler or { } + +local functions = xml.functions +local expressions = xml.expressions +local finalizers = xml.finalizers + +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 + logs.report("xml","unknown sub finalizer '%s'",tostring(name)) + fn = function() end + end + return fn +end + +setmetatable(finalizers.xml, { __index = fallback }) +setmetatable(finalizers.tex, { __index = 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[#collected+1] = rt + end + return collected +end + +apply_axis['self'] = function(list) +--~ local collected = { } +--~ for l=1,#list do +--~ collected[#collected+1] = list[l] +--~ end +--~ return collected + return list +end + +apply_axis['child'] = function(list) + local collected = { } + for l=1,#list do + local ll = list[l] + local dt = ll.dt + local en = 0 + for k=1,#dt do + local dk = dt[k] + if dk.tg then + collected[#collected+1] = dk + dk.ni = k -- refresh + en = en + 1 + dk.ei = en + end + end + ll.en = en + end + return collected +end + +local function collect(list,collected) + local dt = list.dt + if dt then + local en = 0 + for k=1,#dt do + local dk = dt[k] + if dk.tg then + collected[#collected+1] = dk + dk.ni = k -- refresh + en = en + 1 + dk.ei = en + collect(dk,collected) + end + end + list.en = en + end +end +apply_axis['descendant'] = function(list) + local collected = { } + for l=1,#list do + collect(list[l],collected) + end + return collected +end + +local function collect(list,collected) + local dt = list.dt + if dt then + local en = 0 + for k=1,#dt do + local dk = dt[k] + if dk.tg then + collected[#collected+1] = dk + dk.ni = k -- refresh + en = en + 1 + dk.ei = en + collect(dk,collected) + end + end + list.en = en + end +end +apply_axis['descendant-or-self'] = function(list) + local collected = { } + for l=1,#list do + local ll = list[l] + if ll.special ~= true then -- catch double root + collected[#collected+1] = ll + end + collect(ll,collected) + end + return collected +end + +apply_axis['ancestor'] = function(list) + local collected = { } + for l=1,#list do + local ll = list[l] + while ll do + ll = ll.__p__ + if ll then + collected[#collected+1] = ll + end + end + end + return collected +end + +apply_axis['ancestor-or-self'] = function(list) + local collected = { } + for l=1,#list do + local ll = list[l] + collected[#collected+1] = ll + while ll do + ll = ll.__p__ + if ll then + collected[#collected+1] = ll + end + end + end + return collected +end + +apply_axis['parent'] = function(list) + local collected = { } + for l=1,#list do + local pl = list[l].__p__ + if pl then + collected[#collected+1] = 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 +--~ local collected = { } +--~ 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 +--~ collected[#collected+1] = di +--~ break +--~ end +--~ end +--~ end +--~ return collected + return { } +end + +apply_axis['preceding'] = function(list) -- incomplete +--~ local collected = { } +--~ 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 +--~ collected[#collected+1] = di +--~ break +--~ end +--~ end +--~ end +--~ return collected + return { } +end + +apply_axis['following-sibling'] = function(list) + local collected = { } + 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 + collected[#collected+1] = di + end + end + end + return collected +end + +apply_axis['preceding-sibling'] = function(list) + local collected = { } + 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 + collected[#collected+1] = di + end + end + end + return collected +end + +apply_axis['reverse-sibling'] = function(list) -- reverse preceding + local collected = { } + 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 + collected[#collected+1] = 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, m, p = { }, 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 + collected[#collected+1], 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 + collected[#collected+1], 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 + collected[#collected+1], 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 + collected[#collected+1], 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 + collected[#collected+1], 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 + collected[#collected+1], ll.mi = ll, m + end + end + end + end + return collected + end + else + local collected, m, p = { }, 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 + collected[#collected+1], 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 + collected[#collected+1], ll.mi = ll, m + end + end + end + return collected + end +end + +local quit_expression = false + +local function apply_expression(list,expression,order) + local collected = { } + 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 + collected[#collected+1] = 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("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("position") / "l" + -- is element in finalizer + P("order") / "order" + + P("element") / "(ll.ei or 1)" + + P("index") / "(ll.ni or 1)" + + P("match") / "(ll.mi or 1)" + + P("text") / "(ll.dt[1] or '')" + + -- 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("ns") / "ll.ns" + ) * ((spaces * P("(") * spaces * P(")"))/"") + +local lp_attribute = (P("@") + P("attribute::")) / "" * Cc("(ll.at and ll.at['") * R("az","AZ","--","__")^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 = lpeg.P("(") +local rparent = lpeg.P(")") +local noparent = 1 - (lparent+rparent) +local nested = lpeg.P{lparent * (noparent + lpeg.V(1))^0 * rparent} +local value = lpeg.P(lparent * lpeg.C((noparent + nested)^0) * rparent) -- lpeg.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_fastpos + + lp_reserved + + lp_number + + lp_string + +1 )^1 ) + + +--~ expr + +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 + logs.report("lpath","error in expression: %s => %s",str,cnv) + skip[str] = cnv or str + end + return false +end +local function errorrunner_f(str,arg) + logs.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 parser = Ct { "patterns", -- can be made a bit faster by moving pattern 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_or_self = P("/") * Cc(register_descendant_or_self), + s_descendant = P("**") * Cc(register_descendant), + s_child = P("*") * #(1-P(":")) * Cc(register_child ), +-- s_child = P("*") * #(P("/")+P(-1)) * 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-lpeg.S("/[]()|:*!"))^1, + 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)) * #(1-P("(")), + 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, + +} + +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[#t+1] = (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[#t+1] = (tg == "@rt@" and "[root]") or format("%s:%s",ns,tg) + end + return concat(t," ") + end +end + +xml.nodesettostring = nodesettostring + +local parse_pattern -- we have a harmless kind of circular reference + +local function lshow(parsed) + if type(parsed) == "string" then + parsed = parse_pattern(parsed) + end + local s = table.serialize_functions -- ugly + table.serialize_functions = false -- ugly + logs.report("lpath","%s://%s => %s",parsed.protocol or xml.defaultprotocol,parsed.pattern,table.serialize(parsed,false)) + table.serialize_functions = s -- ugly +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 + +parse_pattern = 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(parser,pattern) + if parsed then + parsed.pattern = pattern + local np = #parsed + if np == 0 then + parsed = { pattern = pattern, register_self, state = "parsing error" } + logs.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 + +-- 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) + 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 + logs.report("lpath", "collecting : %s",parsed.pattern) + logs.report("lpath", " root tags : %s",tagstostring(list)) + logs.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) + logs.report("lpath", "% 10i : ax : %s",(collected and #collected) or 0,pi.axis) + elseif kind == "nodes" then + collected = apply_nodes(collected,pi.nodetest,pi.nodes) + logs.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) + logs.report("lpath", "% 10i : ex : %s -> %s",(collected and #collected) or 0,pi.expression,pi.converted) + elseif kind == "finalizer" then + collected = pi.finalizer(collected) + logs.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) + logs.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 parse_apply(list,pattern) + -- we avoid an extra call + 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 = parse_pattern(pattern) or pattern + end + if not parsed then + return + end + local nofparsed = #parsed + if nofparsed == 0 then + return -- something is wrong + end + local one = list[1] + if not one then + return -- something is wrong + elseif not trace_lpath then + return normal_apply(list,parsed,nofparsed,one.mi) + elseif trace_lprofile then + return profiled_apply(list,parsed,nofparsed,one.mi) + else + return traced_apply(list,parsed,nofparsed,one.mi) + end +end + +-- internal (parsed) + +expressions.child = function(e,pattern) + return parse_apply({ e },pattern) -- todo: cache +end +expressions.count = function(e,pattern) + local collected = parse_apply({ e },pattern) -- todo: cache + return (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.error_handler("unknown function in lpath expression",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 + +-- user interface + +local function traverse(root,pattern,handle) + logs.report("xml","use 'xml.selection' instead for '%s'",pattern) + local collected = parse_apply({ 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 = parse_apply({ root },pattern) + if collected then + if handle then + for c=1,#collected do + handle(collected[c]) + end + else + return collected + end + end +end + +xml.parse_parser = parser +xml.parse_pattern = parse_pattern +xml.parse_apply = parse_apply +xml.traverse = traverse -- old method, r, d, k +xml.selection = selection -- new method, simple handle + +local lpath = parse_pattern + +xml.lpath = lpath + +function xml.cached_patterns() + return cache +end + +-- 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 + logs.report("xml","unknown function '%s'",fnc) + end + end +end + +xml.finalizers.xml["function"] = dofunction +xml.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>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 parse_apply({ root },pattern) +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 = parse_apply({ 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 = parse_apply({ 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 + + +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 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 = lpeg.match + +--[[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 + +--~ xml.gsub = xmlgsub + +function xml.strip_leading_spaces(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 + +--~ xml.escapes = { ['&'] = '&', ['<'] = '<', ['>'] = '>', ['"'] = '"' } +--~ xml.unescapes = { } for k,v in next, xml.escapes do xml.unescapes[v] = k end + +--~ function xml.escaped (str) return (gsub(str,"(.)" , xml.escapes )) end +--~ function xml.unescaped(str) return (gsub(str,"(&.-;)", xml.unescapes)) end +--~ function xml.cleansed (str) return (gsub(str,"<.->" , '' )) end -- "%b<>" + +local P, S, R, C, V, Cc, Cs = lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.V, lpeg.Cc, lpeg.Cs + +-- 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) + +xml.escaped_pattern = escaped +xml.unescaped_pattern = unescaped +xml.cleansed_pattern = 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 xmlparseapply, xmlconvert, xmlcopy, xmlname = xml.parse_apply, xml.convert, xml.copy, xml.name +local xmlinheritedconvert = xml.inheritedconvert + +local type = type +local insert, remove = table.insert, table.remove +local gmatch, gsub = string.gmatch, string.gsub + +local function report(what,pattern,c,e) + logs.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 + +xml.elements_only = xml.collected + +function xml.each_element(root,pattern,handle,reverse) + local collected = xmlparseapply({ 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 + +xml.process_elements = xml.each_element + +function xml.process_attributes(root,pattern,handle) + local collected = xmlparseapply({ 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_elements(root, pattern) + return xmlparseapply({ root },pattern) +end + +function xml.collect_texts(root, pattern, flatten) -- todo: variant with handle + local collected = xmlparseapply({ 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 = xmlparseapply({ root },pattern) + if collected then + local t = { } + for c=1,#collected do + local e = collected[c] + local ns, tg = e.ns, e.tg + if nonamespace then + t[#t+1] = tg + elseif ns == "" then + t[#t+1] = tg + else + t[#t+1] = 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 } + +function xml.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) + else + element = whatever -- we assume a table + end + if element.error then + return whatever -- string + end + if element then + --~ if element.ri then + --~ element = element.dt[element.ri].dt + --~ else + --~ element = element.dt + --~ end + 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_element(root,pattern) + local collected = xmlparseapply({ 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) + xml.redo_ni(d) -- can be made faster and inlined + end + end + end +end + +function xml.replace_element(root,pattern,whatever) + local element = root and xmltoelement(whatever,root) + local collected = element and xmlparseapply({ 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) + xml.redo_ni(d) -- probably not needed + end + end + end +end + +local function inject_element(root,pattern,whatever,prepend) + local element = root and xmltoelement(whatever,root) + local collected = element and xmlparseapply({ root },pattern) + if collected then + for c=1,#collected do + local e = collected[c] + 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 + for i=1,#af do + be[#be+1] = af[i] + end + if rri then + r.dt[rri].dt = be + else + d[k].dt = be + end + xml.redo_ni(d) + end + 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 xmlparseapply({ root },pattern) + if collected then + for c=1,#collected do + local e = collected[c] + 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)) + xml.redo_ni(d) + end + end +end + +xml.insert_element = insert_element +xml.insert_element_after = insert_element +xml.insert_element_before = function(r,p,e) insert_element(r,p,e,true) end +xml.inject_element = inject_element +xml.inject_element_after = inject_element +xml.inject_element_before = 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 = xmlparseapply({ 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 -- ckeck, 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 settings = xmldata.settings +--~ settings.parent_root = xmldata -- to be tested +--~ local xi = xmlconvert(data,settings) + 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 manipulate(xmldata,pattern,manipulator) -- untested and might go away +--~ local collected = xmlparseapply({ xmldata },pattern) +--~ if collected then +--~ local xmltostring = xml.tostring +--~ for c=1,#collected do +--~ local e = collected[c] +--~ local data = manipulator(xmltostring(e)) +--~ if data == "" then +--~ epdt[e.ni] = "" +--~ else +--~ local xi = xmlinheritedconvert(data,xmldata) +--~ if not xi then +--~ epdt[e.ni] = "" +--~ else +--~ epdt[e.ni] = xml.body(xi) -- xml.assign(d,k,xi) +--~ end +--~ end +--~ end +--~ end +--~ end + +--~ xml.manipulate = manipulate + +function xml.strip_whitespace(root, pattern, nolines) -- strips all leading and trailing space ! + local collected = xmlparseapply({ root },pattern) + if collected then + for i=1,#collected do + local e = collected[i] + local edt = e.dt + if edt then + local t = { } + for i=1,#edt do + local str = edt[i] + if type(str) == "string" then + if str == "" then + -- stripped + else + if nolines then + str = gsub(str,"[ \n\r\t]+"," ") + end + if str == "" then + -- stripped + else + t[#t+1] = str + end + end + else + --~ str.ni = i + t[#t+1] = str + end + end + e.dt = t + end + end + end +end + +function xml.strip_whitespace(root, pattern, nolines, anywhere) -- strips all leading and trailing spacing + local collected = xmlparseapply({ root },pattern) -- beware, indices no longer are valid now + if collected then + for i=1,#collected do + local e = collected[i] + local edt = e.dt + if edt then + if anywhere then + local t = { } + for e=1,#edt do + local str = edt[e] + if type(str) ~= "string" then + t[#t+1] = 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 + t[#t+1] = 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 + if #edt > 1 then + -- strip end + local str = edt[#edt] + 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[#edt] = str + end + end + end + end + end + end + end +end + +local function rename_space(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 + rename_space(edt, oldspace, newspace) + end + end + end +end + +xml.rename_space = rename_space + +function xml.remap_tag(root, pattern, newtg) + local collected = xmlparseapply({ root },pattern) + if collected then + for c=1,#collected do + collected[c].tg = newtg + end + end +end + +function xml.remap_namespace(root, pattern, newns) + local collected = xmlparseapply({ root },pattern) + if collected then + for c=1,#collected do + collected[c].ns = newns + end + end +end + +function xml.check_namespace(root, pattern, newns) + local collected = xmlparseapply({ 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.remap_name(root, pattern, newtg, newns, newrn) + local collected = xmlparseapply({ 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>Here are a few synonyms.</p> +--ldx]]-- + +xml.each = xml.each_element +xml.process = xml.process_element +xml.strip = xml.strip_whitespace +xml.collect = xml.collect_elements +xml.all = xml.collect_elements + +xml.insert = xml.insert_element_after +xml.inject = xml.inject_element_after +xml.after = xml.insert_element_after +xml.before = xml.insert_element_before +xml.delete = xml.delete_element +xml.replace = xml.replace_element + + +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 finalizers = xml.finalizers.xml +local xmlfilter = xml.filter -- we could inline this one for speed +local xmltostring = xml.tostring +local xmlserialize = xml.serialize + +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 reversed = { } + for c=#collected,1,-1 do + reversed[#reversed+1] = collected[c] + end + return reversed + end +end + +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 collected then + n = tonumber(n) or 0 + if n < 0 then + return collected[#collected + n + 1] + elseif n > 0 then + return collected[n] + else + return collected[1].mi or 0 + end + end +end + +local function match(collected) + return (collected and collected[1].mi) or 0 -- match +end + +local function index(collected) + if collected then + return collected[1].ni + end +end + +local function attributes(collected,arguments) + if collected 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 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 + if collected then + local e = collected[1] or collected + return (e and xmlserialize(e)) or "" -- only first as we cannot concat function + else + return "" + end +end + +local function text(collected) -- hybrid + if collected then + local e = collected[1] or collected + return (e and xmltostring(e.dt)) or "" + else + return "" + end +end + +local function texts(collected) + if collected then + local t = { } + for c=1,#collected do + local e = collection[c] + if e and e.dt then + t[#t+1] = e.dt + end + end + return t + end +end + +local function tag(collected,n) + if collected then + local c + if n == 0 or not n then + c = collected[1] + elseif n > 1 then + c = collected[n] + else + c = collected[#collected-n+1] + end + return c and c.tg + end +end + +local function name(collected,n) + if collected then + local c + if n == 0 or not n then + c = collected[1] + elseif n > 1 then + c = collected[n] + else + c = collected[#collected-n+1] + end + if c then + if c.ns == "" then + return c.tg + else + return c.ns .. ":" .. c.tg + end + end + end +end + +local function tags(collected,nonamespace) + if collected then + local t = { } + for c=1,#collected do + local e = collected[c] + local ns, tg = e.ns, e.tg + if nonamespace or ns == "" then + t[#t+1] = tg + else + t[#t+1] = ns .. ":" .. tg + end + end + return t + end +end + +local function empty(collected) + if collected then + for c=1,#collected 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 -- maybe an extra tester for spacing only + return false + end + elseif n > 1 then + return false + end + 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) + if pattern then + -- return text(xmlfilter(id,pattern)) + local collected = xmlfilter(id,pattern) + return (collected and xmltostring(collected[1].dt)) or "" + elseif id then + -- return text(id) + return xmltostring(id.dt) 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) + return empty(xmlfilter(id,pattern)) +end + +xml.all = xml.filter +xml.index = xml.position +xml.found = xml.filter + + +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 format, sub, match, gsub, find = string.format, string.sub, string.match, string.gsub, string.find +local unquote, quote = string.unquote, string.quote + +-- 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 arg[#arg]=nil +end + +if profiler and os.env["MTX_PROFILE_RUN"] == "YES" then + profiler.start("luatex-profile.log") +end + +-- environment + +environment = environment or { } +environment.arguments = { } +environment.files = { } +environment.sortedflags = nil + +if not environment.jobname or environment.jobname == "" then if tex then environment.jobname = tex.jobname end end +if not environment.version or environment.version == "" then environment.version = "unknown" end +if not environment.jobname then environment.jobname = "unknown" end + +function environment.initialize_arguments(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] = unquote(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 = 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 + +environment.argument("x",true) + +function environment.split_arguments(separator) -- rather special, cut-off before separator + local done, before, after = false, { }, { } + local original_arguments = environment.original_arguments + for k=1,#original_arguments do + local v = original_arguments[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.reconstruct_commandline(arg,noquote) + arg = arg or environment.original_arguments + if noquote and #arg == 1 then + local a = arg[1] + a = resolvers.resolve(a) + a = unquote(a) + return a + elseif #arg > 0 then + local result = { } + for i=1,#arg do + local a = arg[i] + a = resolvers.resolve(a) + a = unquote(a) + a = gsub(a,'"','\\"') -- tricky + if find(a," ") then + result[#result+1] = quote(a) + else + result[#result+1] = a + end + end + return table.join(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.initialize_arguments(newarg) + environment.original_arguments = newarg + environment.raw_arguments = arg + + arg = { } -- prevent duplicate handling + +end + +-- weird place ... depends on a not yet loaded module + +function environment.texfile(filename) + return resolvers.find_file(filename,'tex') +end + +function environment.luafile(filename) + local resolved = resolvers.find_file(filename,'tex') or "" + if resolved ~= "" then + return resolved + end + resolved = resolvers.find_file(filename,'texmfscripts') or "" + if resolved ~= "" then + return resolved + end + return resolvers.find_file(filename,'luatexlibs') or "" +end + +environment.loadedluacode = loadfile -- can be overloaded + +--~ function environment.loadedluacode(name) +--~ if os.spawn("texluac -s -o texluac.luc " .. name) == 0 then +--~ local chunk = loadstring(io.loaddata("texluac.luc")) +--~ os.remove("texluac.luc") +--~ return chunk +--~ else +--~ environment.loadedluacode = loadfile -- can be overloaded +--~ return loadfile(name) +--~ end +--~ end + +function environment.luafilechunk(filename) -- used for loading lua bytecode in the format + filename = file.replacesuffix(filename, "lua") + local fullname = environment.luafile(filename) + if fullname and fullname ~= "" then + if trace_locating then + logs.report("fileio","loading file %s", fullname) + end + return environment.loadedluacode(fullname) + else + if trace_locating then + logs.report("fileio","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 + logs.report("fileio","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 + logs.report("fileio","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 + logs.report("fileio","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 + logs.report("fileio","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 ['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" +} + +local format = string.format + +local statusinfo, n, registered = { }, 0, { } + +statistics = statistics or { } + +statistics.enable = true +statistics.threshold = 0.05 + +-- timing functions + +local clock = os.gettimeofday or os.clock + +local notimer + +function statistics.hastimer(instance) + return instance and instance.starttime +end + +function statistics.resettiming(instance) + if not instance then + notimer = { timing = 0, loadtime = 0 } + else + instance.timing, instance.loadtime = 0, 0 + end +end + +function statistics.starttiming(instance) + if not instance then + notimer = { } + instance = notimer + end + local it = instance.timing + if not it then + it = 0 + end + if it == 0 then + instance.starttime = clock() + if not instance.loadtime then + instance.loadtime = 0 + end + else +--~ logs.report("system","nested timing (%s)",tostring(instance)) + end + instance.timing = it + 1 +end + +function statistics.stoptiming(instance, report) + if not instance then + instance = notimer + end + if instance then + local it = instance.timing + if it > 1 then + instance.timing = it - 1 + else + local starttime = instance.starttime + if starttime then + local stoptime = clock() + local loadtime = stoptime - starttime + instance.stoptime = stoptime + instance.loadtime = instance.loadtime + loadtime + if report then + statistics.report("load time %0.3f",loadtime) + end + instance.timing = 0 + return loadtime + end + end + end + return 0 +end + +function statistics.elapsedtime(instance) + if not instance then + instance = notimer + end + return format("%0.3f",(instance and instance.loadtime) or 0) +end + +function statistics.elapsedindeed(instance) + if not instance then + instance = notimer + end + local t = (instance and instance.loadtime) or 0 + return t > statistics.threshold +end + +function statistics.elapsedseconds(instance,rest) -- returns nil if 0 seconds + if statistics.elapsedindeed(instance) then + return format("%s seconds %s", statistics.elapsedtime(instance),rest or "") + end +end + +-- 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) texio.write_nl(tag .. " " .. data) end end + -- this code will move + local register = statistics.register + register("luatex banner", function() + return string.lower(status.banner) + end) + register("control sequences", function() + return format("%s of %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("direct: %s, indirect: %s, total: %s", total-indirect, indirect, total) + end) + 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 + texio.write_nl("") -- final newline + statistics.enable = false + end +end + +function statistics.show_job_stat(tag,data,n) + texio.write_nl(format("%-15s: %s - %s","mkiv lua stats",tag:rpadd(n," "),data)) +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 + +if statistics.runtime then + -- already loaded and set +elseif luatex and luatex.starttime then + statistics.starttime = luatex.starttime + statistics.loadtime = 0 + statistics.timing = 0 +else + statistics.starttiming(statistics) +end + +function statistics.runtime() + statistics.stoptiming(statistics) + return statistics.formatruntime(statistics.elapsedtime(statistics)) +end + +function statistics.formatruntime(runtime) + return format("%s seconds", statistics.elapsedtime(statistics)) +end + +function statistics.timed(action,report) + local timer = { } + report = report or logs.simple + statistics.starttiming(timer) + action() + statistics.stoptiming(timer) + report("total runtime: %s",statistics.elapsedtime(timer)) +end + +-- where, not really the best spot for this: + +commands = commands or { } + +local timer + +function commands.resettimer() + statistics.resettiming(timer) + statistics.starttiming(timer) +end + +function commands.elapsedtime() + statistics.stoptiming(timer) + tex.sprint(statistics.elapsedtime(timer)) +end + +commands.resettimer() + + +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" +} + +-- this is old code that needs an overhaul + +--~ io.stdout:setvbuf("no") +--~ io.stderr:setvbuf("no") + +local write_nl, write = texio.write_nl or print, texio.write or io.write +local format, gmatch = string.format, string.gmatch +local texcount = tex and tex.count + +if texlua then + write_nl = print + write = io.write +end + +--[[ldx-- +<p>This is a prelude to a more extensive logging module. For the sake +of parsing log files, in addition to the standard logging we will +provide an <l n='xml'/> structured file. Actually, any logging that +is hooked into callbacks will be \XML\ by default.</p> +--ldx]]-- + +logs = logs or { } +logs.xml = logs.xml or { } +logs.tex = logs.tex or { } + +--[[ldx-- +<p>This looks pretty ugly but we need to speed things up a bit.</p> +--ldx]]-- + +logs.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 +]] + +logs.levels = { + ['error'] = 1, + ['warning'] = 2, + ['info'] = 3, + ['debug'] = 4, +} + +logs.functions = { + 'report', 'start', 'stop', 'push', 'pop', 'line', 'direct', + 'start_run', 'stop_run', + 'start_page_number', 'stop_page_number', + 'report_output_pages', 'report_output_log', + 'report_tex_stat', 'report_job_stat', + 'show_open', 'show_close', 'show_load', +} + +logs.tracers = { +} + +logs.level = 0 +logs.mode = string.lower((os.getenv("MTX.LOG.MODE") or os.getenv("MTX_LOG_MODE") or "tex")) + +function logs.set_level(level) + logs.level = logs.levels[level] or level +end + +function logs.set_method(method) + for _, v in next, logs.functions do + logs[v] = logs[method][v] or function() end + end +end + +-- tex logging + +function logs.tex.report(category,fmt,...) -- new + if fmt then + write_nl(category .. " | " .. format(fmt,...)) + else + write_nl(category .. " |") + end +end + +function logs.tex.line(fmt,...) -- new + if fmt then + write_nl(format(fmt,...)) + else + write_nl("") + end +end + +--~ function logs.tex.start_page_number() +--~ local real, user, sub = texcount.realpageno, texcount.userpageno, texcount.subpageno +--~ if real > 0 then +--~ if user > 0 then +--~ if sub > 0 then +--~ write(format("[%s.%s.%s",real,user,sub)) +--~ else +--~ write(format("[%s.%s",real,user)) +--~ end +--~ else +--~ write(format("[%s",real)) +--~ end +--~ else +--~ write("[-") +--~ end +--~ end + +--~ function logs.tex.stop_page_number() +--~ write("]") +--~ end + +local real, user, sub + +function logs.tex.start_page_number() + real, user, sub = texcount.realpageno, texcount.userpageno, texcount.subpageno +end + +function logs.tex.stop_page_number() + if real > 0 then + if user > 0 then + if sub > 0 then + logs.report("pages", "flushing realpage %s, userpage %s, subpage %s",real,user,sub) + else + logs.report("pages", "flushing realpage %s, userpage %s",real,user) + end + else + logs.report("pages", "flushing realpage %s",real) + end + else + logs.report("pages", "flushing page") + end + io.flush() +end + +logs.tex.report_job_stat = statistics.show_job_stat + +-- xml logging + +function logs.xml.report(category,fmt,...) -- new + if fmt then + write_nl(format("<r category='%s'>%s</r>",category,format(fmt,...))) + else + write_nl(format("<r category='%s'/>",category)) + end +end +function logs.xml.line(fmt,...) -- new + if fmt then + write_nl(format("<r>%s</r>",format(fmt,...))) + else + write_nl("<r/>") + end +end + +function logs.xml.start() if logs.level > 0 then tw("<%s>" ) end end +function logs.xml.stop () if logs.level > 0 then tw("</%s>") end end +function logs.xml.push () if logs.level > 0 then tw("<!-- ") end end +function logs.xml.pop () if logs.level > 0 then tw(" -->" ) end end + +function logs.xml.start_run() + write_nl("<?xml version='1.0' standalone='yes'?>") + write_nl("<job>") -- xmlns='www.pragma-ade.com/luatex/schemas/context-job.rng' + write_nl("") +end + +function logs.xml.stop_run() + write_nl("</job>") +end + +function logs.xml.start_page_number() + write_nl(format("<p real='%s' page='%s' sub='%s'", texcount.realpageno, texcount.userpageno, texcount.subpageno)) +end + +function logs.xml.stop_page_number() + write("/>") + write_nl("") +end + +function logs.xml.report_output_pages(p,b) + write_nl(format("<v k='pages' v='%s'/>", p)) + write_nl(format("<v k='bytes' v='%s'/>", b)) + write_nl("") +end + +function logs.xml.report_output_log() +end + +function logs.xml.report_tex_stat(k,v) + texiowrite_nl("log","<v k='"..k.."'>"..tostring(v).."</v>") +end + +local level = 0 + +function logs.xml.show_open(name) + level = level + 1 + texiowrite_nl(format("<f l='%s' n='%s'>",level,name)) +end + +function logs.xml.show_close(name) + texiowrite("</f> ") + level = level - 1 +end + +function logs.xml.show_load(name) + texiowrite_nl(format("<f l='%s' n='%s'/>",level+1,name)) +end + +-- + +local name, banner = 'report', 'context' + +local function report(category,fmt,...) + if fmt then + write_nl(format("%s | %s: %s",name,category,format(fmt,...))) + elseif category then + write_nl(format("%s | %s",name,category)) + else + write_nl(format("%s |",name)) + end +end + +local function simple(fmt,...) + if fmt then + write_nl(format("%s | %s",name,format(fmt,...))) + else + write_nl(format("%s |",name)) + end +end + +function logs.setprogram(_name_,_banner_,_verbose_) + name, banner = _name_, _banner_ + if _verbose_ then + trackers.enable("resolvers.locating") + end + logs.set_method("tex") + logs.report = report -- also used in libraries + logs.simple = simple -- only used in scripts ! + if utils then + utils.report = simple + end + logs.verbose = _verbose_ +end + +function logs.setverbose(what) + if what then + trackers.enable("resolvers.locating") + else + trackers.disable("resolvers.locating") + end + logs.verbose = what or false +end + +function logs.extendbanner(_banner_,_verbose_) + banner = banner .. " | ".. _banner_ + if _verbose_ ~= nil then + logs.setverbose(what) + end +end + +logs.verbose = false +logs.report = logs.tex.report +logs.simple = logs.tex.report + +function logs.reportlines(str) -- todo: <lines></lines> + for line in gmatch(str,"(.-)[\n\r]") do + logs.report(line) + end +end + +function logs.reportline() -- for scripts too + logs.report() +end + +logs.simpleline = logs.reportline + +function logs.reportbanner() -- for scripts too + logs.report(banner) +end + +function logs.help(message,option) + logs.reportbanner() + logs.reportline() + logs.reportlines(message) + local moreinfo = logs.moreinfo or "" + if moreinfo ~= "" and option ~= "nomoreinfo" then + logs.reportline() + logs.reportlines(moreinfo) + end +end + +logs.set_level('error') +logs.set_method('tex') + +function logs.system(whereto,process,jobname,category,...) + for i=1,10 do + local f = io.open(whereto,"a") + if f then + f:write(format("%s %s => %s => %s => %s\r",os.date("%d/%m/%y %H:%m:%S"),process,jobname,category,format(...))) + f:close() + break + else + sleep(0.1) + end + end +end + +--~ local syslogname = "oeps.xxx" +--~ +--~ for i=1,10 do +--~ logs.system(syslogname,"context","test","fonts","font %s recached due to newer version (%s)","blabla","123") +--~ end + +function logs.fatal(where,...) + logs.report(where,"fatal error: %s, aborting now",format(...)) + os.exit() +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", +} + +-- After a few years using the code the large luat-inp.lua file +-- has been split up a bit. In the process some functionality was +-- dropped: +-- +-- * support for reading lsr files +-- * selective scanning (subtrees) +-- * some public auxiliary functions were made private +-- +-- TODO: os.getenv -> os.env[] +-- TODO: instances.[hashes,cnffiles,configurations,522] +-- TODO: check escaping in find etc, too much, too slow + +-- This lib is multi-purpose and can be loaded again later on so that +-- additional functionality becomes available. We will split thislogs.report("fileio", +-- module in components once we're done with prototyping. This is the +-- first code I wrote for LuaTeX, so it needs some cleanup. Before changing +-- something in this module one can best check with Taco or Hans first; there +-- is some nasty trickery going on that relates to traditional kpse support. + +-- To be considered: hash key lowercase, first entry in table filename +-- (any case), rest paths (so no need for optimization). Or maybe a +-- separate table that matches lowercase names to mixed case when +-- present. In that case the lower() cases can go away. I will do that +-- only when we run into problems with names ... well ... Iwona-Regular. + +-- Beware, loading and saving is overloaded in luat-tmp! + +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 = next, type +local lpegmatch = lpeg.match + +local trace_locating, trace_detail, trace_expansions = false, false, false + +trackers.register("resolvers.locating", function(v) trace_locating = v end) +trackers.register("resolvers.details", function(v) trace_detail = v end) +trackers.register("resolvers.expansions", function(v) trace_expansions = v end) -- todo + +if not resolvers then + resolvers = { + suffixes = { }, + formats = { }, + dangerous = { }, + suffixmap = { }, + alternatives = { }, + locators = { }, -- locate databases + hashers = { }, -- load databases + generators = { }, -- generate databases + } +end + +local resolvers = resolvers + +resolvers.locators .notfound = { nil } +resolvers.hashers .notfound = { nil } +resolvers.generators.notfound = { nil } + +resolvers.cacheversion = '1.0.1' +resolvers.cnfname = 'texmf.cnf' +resolvers.luaname = 'texmfcnf.lua' +resolvers.homedir = os.env[os.type == "windows" and 'USERPROFILE'] or os.env['HOME'] or '~' +resolvers.cnfdefault = '{$SELFAUTODIR,$SELFAUTOPARENT}{,{/share,}/texmf{-local,.local,}/web2c}' + +local dummy_path_expr = "^!*unset/*$" + +local formats = resolvers.formats +local suffixes = resolvers.suffixes +local dangerous = resolvers.dangerous +local suffixmap = resolvers.suffixmap +local alternatives = resolvers.alternatives + +formats['afm'] = 'AFMFONTS' suffixes['afm'] = { 'afm' } +formats['enc'] = 'ENCFONTS' suffixes['enc'] = { 'enc' } +formats['fmt'] = 'TEXFORMATS' suffixes['fmt'] = { 'fmt' } +formats['map'] = 'TEXFONTMAPS' suffixes['map'] = { 'map' } +formats['mp'] = 'MPINPUTS' suffixes['mp'] = { 'mp' } +formats['ocp'] = 'OCPINPUTS' suffixes['ocp'] = { 'ocp' } +formats['ofm'] = 'OFMFONTS' suffixes['ofm'] = { 'ofm', 'tfm' } +formats['otf'] = 'OPENTYPEFONTS' suffixes['otf'] = { 'otf' } -- 'ttf' +formats['opl'] = 'OPLFONTS' suffixes['opl'] = { 'opl' } +formats['otp'] = 'OTPINPUTS' suffixes['otp'] = { 'otp' } +formats['ovf'] = 'OVFFONTS' suffixes['ovf'] = { 'ovf', 'vf' } +formats['ovp'] = 'OVPFONTS' suffixes['ovp'] = { 'ovp' } +formats['tex'] = 'TEXINPUTS' suffixes['tex'] = { 'tex' } +formats['tfm'] = 'TFMFONTS' suffixes['tfm'] = { 'tfm' } +formats['ttf'] = 'TTFONTS' suffixes['ttf'] = { 'ttf', 'ttc', 'dfont' } +formats['pfb'] = 'T1FONTS' suffixes['pfb'] = { 'pfb', 'pfa' } +formats['vf'] = 'VFFONTS' suffixes['vf'] = { 'vf' } + +formats['fea'] = 'FONTFEATURES' suffixes['fea'] = { 'fea' } +formats['cid'] = 'FONTCIDMAPS' suffixes['cid'] = { 'cid', 'cidmap' } + +formats ['texmfscripts'] = 'TEXMFSCRIPTS' -- new +suffixes['texmfscripts'] = { 'rb', 'pl', 'py' } -- 'lua' + +formats ['lua'] = 'LUAINPUTS' -- new +suffixes['lua'] = { 'lua', 'luc', 'tma', 'tmc' } + +-- backward compatible ones + +alternatives['map files'] = 'map' +alternatives['enc files'] = 'enc' +alternatives['cid maps'] = 'cid' -- great, why no cid files +alternatives['font feature files'] = 'fea' -- and fea files here +alternatives['opentype fonts'] = 'otf' +alternatives['truetype fonts'] = 'ttf' +alternatives['truetype collections'] = 'ttc' +alternatives['truetype dictionary'] = 'dfont' +alternatives['type1 fonts'] = 'pfb' + +-- obscure ones + +formats ['misc fonts'] = '' +suffixes['misc fonts'] = { } + +formats ['sfd'] = 'SFDFONTS' +suffixes ['sfd'] = { 'sfd' } +alternatives['subfont definition files'] = 'sfd' + +-- lib paths + +formats ['lib'] = 'CLUAINPUTS' -- new (needs checking) +suffixes['lib'] = (os.libsuffix and { os.libsuffix }) or { 'dll', 'so' } + +-- 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 pusposes we now avoid this and use a +-- instance variable. + +-- here we catch a few new thingies (todo: add these paths to context.tmf) +-- +-- FONTFEATURES = .;$TEXMF/fonts/fea// +-- FONTCIDMAPS = .;$TEXMF/fonts/cid// + +-- we always have one instance active + +resolvers.instance = resolvers.instance or nil -- the current one (slow access) +local instance = resolvers.instance or nil -- the current one (fast access) + +function resolvers.newinstance() + + -- store once, freeze and faster (once reset we can best use + -- instance.environment) maybe better have a register suffix + -- function + + for k, v in next, suffixes do + for i=1,#v do + local vi = v[i] + if vi then + suffixmap[vi] = k + end + end + 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 + + for k, v in next, formats do + dangerous[k] = true + end + dangerous.tex = nil + + -- the instance + + local newinstance = { + rootpath = '', + treepath = '', + progname = 'context', + engine = 'luatex', + format = '', + environment = { }, + variables = { }, + expansions = { }, + files = { }, + remap = { }, + configuration = { }, + setup = { }, + order = { }, + found = { }, + foundintrees = { }, + kpsevars = { }, + hashes = { }, + cnffiles = { }, + luafiles = { }, + lists = { }, + remember = true, + diskcache = true, + renewcache = false, + scandisk = true, + cachepath = nil, + loaderror = false, + sortdata = false, + savelists = true, + cleanuppaths = true, + allresults = false, + pattern = nil, -- lists + data = { }, -- only for loading + force_suffixes = true, + fakepaths = { }, + } + + local ne = newinstance.environment + + for k,v in next, os.env do + ne[k] = resolvers.bare_variable(v) + end + + return newinstance + +end + +function resolvers.setinstance(someinstance) + 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 function check_configuration() -- not yet ok, no time for debugging now + local ie, iv = instance.environment, instance.variables + local function fix(varname,default) + local proname = varname .. "." .. instance.progname or "crap" + local p, v = ie[proname], ie[varname] or iv[varname] + if not ((p and p ~= "") or (v and v ~= "")) then + iv[varname] = default -- or environment? + end + end + local name = os.name + if name == "windows" then + fix("OSFONTDIR", "c:/windows/fonts//") + elseif name == "macosx" then + fix("OSFONTDIR", "$HOME/Library/Fonts//;/Library/Fonts//;/System/Library/Fonts//") + else + -- bad luck + end + fix("LUAINPUTS" , ".;$TEXINPUTS;$TEXMFSCRIPTS") -- no progname, hm + -- this will go away some day + fix("FONTFEATURES", ".;$TEXMF/fonts/{data,fea}//;$OPENTYPEFONTS;$TTFONTS;$T1FONTS;$AFMFONTS") + fix("FONTCIDMAPS" , ".;$TEXMF/fonts/{data,cid}//;$OPENTYPEFONTS;$TTFONTS;$T1FONTS;$AFMFONTS") + -- + fix("LUATEXLIBS" , ".;$TEXMF/luatex/lua//") +end + +function resolvers.bare_variable(str) -- assumes str is a string + return (gsub(str,"\s*([\"\']?)(.+)%1\s*", "%2")) +end + +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(os.getenv("MTX_INPUT_TRACE")) + +function resolvers.osenv(key) + local ie = instance.environment + local value = ie[key] + if value == nil then + -- local e = os.getenv(key) + local e = os.env[key] + if e == nil then + -- value = "" -- false + else + value = resolvers.bare_variable(e) + end + ie[key] = value + end + return value or "" +end + +function resolvers.env(key) + return instance.environment[key] or resolvers.osenv(key) +end + +-- + +local function expand_vars(lst) -- simple vars + local variables, env = instance.variables, resolvers.env + local function resolve(a) + return variables[a] or env(a) + end + for k=1,#lst do + lst[k] = gsub(lst[k],"%$([%a%d%_%-]+)",resolve) + end +end + +local function expanded_var(var) -- simple vars + local function resolve(a) + return instance.variables[a] or resolvers.env(a) + end + return (gsub(var,"%$([%a%d%_%-]+)",resolve)) +end + +local function entry(entries,name) + if name and (name ~= "") then + name = gsub(name,'%$','') + local result = entries[name..'.'..instance.progname] or entries[name] + if result then + return result + else + result = resolvers.env(name) + if result then + instance.variables[name] = result + resolvers.expand_variables() + return instance.expansions[name] or "" + end + end + end + return "" +end + +local function is_entry(entries,name) + if name and name ~= "" then + name = gsub(name,'%$','') + return (entries[name..'.'..instance.progname] or entries[name]) ~= nil + else + return false + end +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} + +-- this one is better and faster, but it took me a while to realize +-- that this kind of replacement is cleaner than messy parsing and +-- fuzzy concatenating we can probably gain a bit with selectively +-- applying lpeg, but experiments with lpeg parsing this proved not to +-- work that well; the parsing is ok, but dealing with the resulting +-- table is a pain because we need to work inside-out recursively + +local function do_first(a,b) + local t = { } + for s in gmatch(b,"[^,]+") do t[#t+1] = a .. s end + return "{" .. concat(t,",") .. "}" +end + +local function do_second(a,b) + local t = { } + for s in gmatch(a,"[^,]+") do t[#t+1] = s .. b end + return "{" .. concat(t,",") .. "}" +end + +local function do_both(a,b) + local t = { } + for sa in gmatch(a,"[^,]+") do + for sb in gmatch(b,"[^,]+") do + t[#t+1] = sa .. sb + end + end + return "{" .. concat(t,",") .. "}" +end + +local function do_three(a,b,c) + return a .. b.. c +end + +local function splitpathexpr(str, t, validate) + -- no need for further optimization as it is only called a + -- few times, we can use lpeg for the sub + if trace_expansions then + logs.report("fileio","expanding variable '%s'",str) + end + t = t or { } + str = gsub(str,",}",",@}") + str = gsub(str,"{,","{@,") + -- str = "@" .. str .. "@" + local ok, done + while true do + done = false + while true do + str, ok = gsub(str,"([^{},]+){([^{}]+)}",do_first) + if ok > 0 then done = true else break end + end + while true do + str, ok = gsub(str,"{([^{}]+)}([^{},]+)",do_second) + if ok > 0 then done = true else break end + end + while true do + str, ok = gsub(str,"{([^{}]+)}{([^{}]+)}",do_both) + if ok > 0 then done = true else break end + end + str, ok = gsub(str,"({[^{}]*){([^{}]+)}([^{}]*})",do_three) + if ok > 0 then done = true end + if not done then break end + end + str = gsub(str,"[{}]", "") + str = gsub(str,"@","") + if validate then + for s in gmatch(str,"[^,]+") do + s = validate(s) + if s then t[#t+1] = s end + end + else + for s in gmatch(str,"[^,]+") do + t[#t+1] = s + end + end + if trace_expansions then + for k=1,#t do + logs.report("fileio","% 4i: %s",k,t[k]) + end + end + return t +end + +local function expanded_path_from_list(pathlist) -- maybe not a list, just a path + -- a previous version fed back into pathlist + local newlist, ok = { }, false + for k=1,#pathlist do + if find(pathlist[k],"[{}]") then + ok = true + break + end + end + if ok then + local function validate(s) + s = file.collapse_path(s) + return s ~= "" and not find(s,dummy_path_expr) and s + end + for k=1,#pathlist do + splitpathexpr(pathlist[k],newlist,validate) + end + else + for k=1,#pathlist do + for p in gmatch(pathlist[k],"([^,]+)") do + p = file.collapse_path(p) + if p ~= "" then newlist[#newlist+1] = p end + end + end + end + return newlist +end + +-- we follow a rather traditional approach: +-- +-- (1) texmf.cnf given in TEXMFCNF +-- (2) texmf.cnf searched in default variable +-- +-- also we now follow the stupid route: if not set then just assume *one* +-- cnf file under texmf (i.e. distribution) + +local args = environment and environment.original_arguments or arg -- this needs a cleanup + +resolvers.ownbin = resolvers.ownbin or args[-2] or arg[-2] or args[-1] or arg[-1] or arg[0] or "luatex" +resolvers.ownbin = gsub(resolvers.ownbin,"\\","/") + +function resolvers.getownpath() + local ownpath = resolvers.ownpath or os.selfdir + if not ownpath or ownpath == "" or ownpath == "unset" then + ownpath = args[-1] or arg[-1] + ownpath = ownpath and file.dirname(gsub(ownpath,"\\","/")) + if not ownpath or ownpath == "" then + ownpath = args[-0] or arg[-0] + ownpath = ownpath and file.dirname(gsub(ownpath,"\\","/")) + end + local binary = resolvers.ownbin + if not ownpath or ownpath == "" then + ownpath = ownpath and file.dirname(binary) + end + if not ownpath or ownpath == "" then + if os.binsuffix ~= "" then + binary = file.replacesuffix(binary,os.binsuffix) + end + for p in gmatch(os.getenv("PATH"),"[^"..io.pathseparator.."]+") do + local b = file.join(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 + logs.report("fileio","following symlink '%s' to '%s'",p,pp) + end + ownpath = pp + lfs.chdir(olddir) + else + if trace_locating then + logs.report("fileio","unable to check path '%s'",p) + end + ownpath = p + end + break + end + end + end + if not ownpath or ownpath == "" then + ownpath = "." + logs.report("fileio","forcing fallback ownpath .") + elseif trace_locating then + logs.report("fileio","using ownpath '%s'",ownpath) + end + end + resolvers.ownpath = ownpath + function resolvers.getownpath() + return resolvers.ownpath + end + return ownpath +end + +local own_places = { "SELFAUTOLOC", "SELFAUTODIR", "SELFAUTOPARENT", "TEXMFCNF" } + +local function identify_own() + local ownpath = resolvers.getownpath() or dir.current() + local ie = instance.environment + if ownpath then + if resolvers.env('SELFAUTOLOC') == "" then os.env['SELFAUTOLOC'] = file.collapse_path(ownpath) end + if resolvers.env('SELFAUTODIR') == "" then os.env['SELFAUTODIR'] = file.collapse_path(ownpath .. "/..") end + if resolvers.env('SELFAUTOPARENT') == "" then os.env['SELFAUTOPARENT'] = file.collapse_path(ownpath .. "/../..") end + else + logs.report("fileio","error: unable to locate ownpath") + os.exit() + end + if resolvers.env('TEXMFCNF') == "" then os.env['TEXMFCNF'] = resolvers.cnfdefault end + if resolvers.env('TEXOS') == "" then os.env['TEXOS'] = resolvers.env('SELFAUTODIR') end + if resolvers.env('TEXROOT') == "" then os.env['TEXROOT'] = resolvers.env('SELFAUTOPARENT') end + if trace_locating then + for i=1,#own_places do + local v = own_places[i] + logs.report("fileio","variable '%s' set to '%s'",v,resolvers.env(v) or "unknown") + end + end + identify_own = function() end +end + +function resolvers.identify_cnf() + if #instance.cnffiles == 0 then + -- fallback + identify_own() + -- the real search + resolvers.expand_variables() + local t = resolvers.split_path(resolvers.env('TEXMFCNF')) + t = expanded_path_from_list(t) + expand_vars(t) -- redundant + local function locate(filename,list) + for i=1,#t do + local ti = t[i] + local texmfcnf = file.collapse_path(file.join(ti,filename)) + if lfs.isfile(texmfcnf) then + list[#list+1] = texmfcnf + end + end + end + locate(resolvers.luaname,instance.luafiles) + locate(resolvers.cnfname,instance.cnffiles) + end +end + +local function load_cnf_file(fname) + fname = resolvers.clean_path(fname) + local lname = file.replacesuffix(fname,'lua') + if lfs.isfile(lname) then + local dname = file.dirname(fname) -- fname ? + if not instance.configuration[dname] then + resolvers.load_data(dname,'configuration',lname and file.basename(lname)) + instance.order[#instance.order+1] = instance.configuration[dname] + end + else + f = io.open(fname) + if f then + if trace_locating then + logs.report("fileio","loading configuration file %s", fname) + end + local line, data, n, k, v + local dname = file.dirname(fname) + if not instance.configuration[dname] then + instance.configuration[dname] = { } + instance.order[#instance.order+1] = instance.configuration[dname] + end + local data = instance.configuration[dname] + while true do + local line, n = f:read(), 0 + if line then + while true do -- join lines + line, n = gsub(line,"\\%s*$", "") + if n > 0 then + line = line .. f:read() + else + break + end + end + if not find(line,"^[%%#]") then + local l = gsub(line,"%s*%%.*$","") + local k, v = match(l,"%s*(.-)%s*=%s*(.-)%s*$") + if k and v and not data[k] then + v = gsub(v,"[%%#].*",'') + data[k] = gsub(v,"~","$HOME") + instance.kpsevars[k] = true + end + end + else + break + end + end + f:close() + elseif trace_locating then + logs.report("fileio","skipping configuration file '%s'", fname) + end + end +end + +local function collapse_cnf_data() -- potential optimization: pass start index (setup and configuration are shared) + local order = instance.order + for i=1,#order do + local c = order[i] + for k,v in next, c do + if not instance.variables[k] then + if instance.environment[k] then + instance.variables[k] = instance.environment[k] + else + instance.kpsevars[k] = true + instance.variables[k] = resolvers.bare_variable(v) + end + end + end + end +end + +function resolvers.load_cnf() + local function loadoldconfigdata() + local cnffiles = instance.cnffiles + for i=1,#cnffiles do + load_cnf_file(cnffiles[i]) + end + end + -- instance.cnffiles contain complete names now ! + -- we still use a funny mix of cnf and new but soon + -- we will switch to lua exclusively as we only use + -- the file to collect the tree roots + if #instance.cnffiles == 0 then + if trace_locating then + logs.report("fileio","no cnf files found (TEXMFCNF may not be set/known)") + end + else + local cnffiles = instance.cnffiles + instance.rootpath = cnffiles[1] + for k=1,#cnffiles do + instance.cnffiles[k] = file.collapse_path(cnffiles[k]) + end + for i=1,3 do + instance.rootpath = file.dirname(instance.rootpath) + end + instance.rootpath = file.collapse_path(instance.rootpath) + if instance.diskcache and not instance.renewcache then + resolvers.loadoldconfig(instance.cnffiles) + if instance.loaderror then + loadoldconfigdata() + resolvers.saveoldconfig() + end + else + loadoldconfigdata() + if instance.renewcache then + resolvers.saveoldconfig() + end + end + collapse_cnf_data() + end + check_configuration() +end + +function resolvers.load_lua() + if #instance.luafiles == 0 then + -- yet harmless + else + instance.rootpath = instance.luafiles[1] + local luafiles = instance.luafiles + for k=1,#luafiles do + instance.luafiles[k] = file.collapse_path(luafiles[k]) + end + for i=1,3 do + instance.rootpath = file.dirname(instance.rootpath) + end + instance.rootpath = file.collapse_path(instance.rootpath) + resolvers.loadnewconfig() + collapse_cnf_data() + end + check_configuration() +end + +-- database loading + +function resolvers.load_hash() + resolvers.locatelists() + if instance.diskcache and not instance.renewcache then + resolvers.loadfiles() + if instance.loaderror then + resolvers.loadlists() + resolvers.savefiles() + end + else + resolvers.loadlists() + if instance.renewcache then + resolvers.savefiles() + end + end +end + +function resolvers.append_hash(type,tag,name) + if trace_locating then + logs.report("fileio","hash '%s' appended",tag) + end + insert(instance.hashes, { ['type']=type, ['tag']=tag, ['name']=name } ) +end + +function resolvers.prepend_hash(type,tag,name) + if trace_locating then + logs.report("fileio","hash '%s' prepended",tag) + end + insert(instance.hashes, 1, { ['type']=type, ['tag']=tag, ['name']=name } ) +end + +function resolvers.extend_texmf_var(specification) -- crap, we could better prepend the hash +-- local t = resolvers.expanded_path_list('TEXMF') -- full expansion + local t = resolvers.split_path(resolvers.env('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 + resolvers.expand_variables() + reset_hashes() +end + +-- locators + +function resolvers.locatelists() + local texmfpaths = resolvers.clean_path_list('TEXMF') + for i=1,#texmfpaths do + local path = texmfpaths[i] + if trace_locating then + logs.report("fileio","locating list of '%s'",path) + end + resolvers.locatedatabase(file.collapse_path(path)) + end +end + +function resolvers.locatedatabase(specification) + return resolvers.methodhandler('locators', specification) +end + +function resolvers.locators.tex(specification) + if specification and specification ~= '' and lfs.isdir(specification) then + if trace_locating then + logs.report("fileio","tex locator '%s' found",specification) + end + resolvers.append_hash('file',specification,filename) + elseif trace_locating then + logs.report("fileio","tex locator '%s' not found",specification) + end +end + +-- hashers + +function resolvers.hashdatabase(tag,name) + return resolvers.methodhandler('hashers',tag,name) +end + +function resolvers.loadfiles() + instance.loaderror = false + instance.files = { } + if not instance.renewcache then + local hashes = instance.hashes + for k=1,#hashes do + local hash = hashes[k] + resolvers.hashdatabase(hash.tag,hash.name) + if instance.loaderror then break end + end + end +end + +function resolvers.hashers.tex(tag,name) + resolvers.load_data(tag,'files') +end + +-- generators: + +function resolvers.loadlists() + local hashes = instance.hashes + for i=1,#hashes do + resolvers.generatedatabase(hashes[i].tag) + end +end + +function resolvers.generatedatabase(specification) + return resolvers.methodhandler('generators', specification) +end + +-- starting with . or .. etc or funny char + +local weird = lpeg.P(".")^1 + lpeg.anywhere(lpeg.S("~`!#$%^&*()={}[]:;\"\'||<>,?\n\r\t")) + +--~ local l_forbidden = lpeg.S("~`!#$%^&*()={}[]:;\"\'||\\/<>,?\n\r\t") +--~ local l_confusing = lpeg.P(" ") +--~ local l_character = lpeg.patterns.utf8 +--~ local l_dangerous = lpeg.P(".") + +--~ local l_normal = (l_character - l_forbidden - l_confusing - l_dangerous) * (l_character - l_forbidden - l_confusing^2)^0 * lpeg.P(-1) +--~ ----- l_normal = l_normal * lpeg.Cc(true) + lpeg.Cc(false) + +--~ local function test(str) +--~ print(str,lpeg.match(l_normal,str)) +--~ end +--~ test("ヒラギノ明朝 Pro W3") +--~ test("..ヒラギノ明朝 Pro W3") +--~ test(":ヒラギノ明朝 Pro W3;") +--~ test("ヒラギノ明朝 /Pro W3;") +--~ test("ヒラギノ明朝 Pro W3") + +function resolvers.generators.tex(specification) + local tag = specification + if trace_locating then + logs.report("fileio","scanning path '%s'",specification) + end + instance.files[tag] = { } + local files = instance.files[tag] + local n, m, r = 0, 0, 0 + local spec = specification .. '/' + local attributes = lfs.attributes + local directory = lfs.dir + local function action(path) + local full + if path then + full = spec .. path .. '/' + else + full = spec + end + for name in directory(full) do + if not lpegmatch(weird,name) then + -- if lpegmatch(l_normal,name) then + local mode = attributes(full..name,'mode') + if mode == 'file' then + if path 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 + end + elseif mode == 'directory' then + m = m + 1 + if path then + action(path..'/'..name) + else + action(name) + end + end + end + end + end + action() + if trace_locating then + logs.report("fileio","%s files found on %s directories with %s uppercase remappings",n,m,r) + end +end + +-- savers, todo + +function resolvers.savefiles() + resolvers.save_data('files') +end + +-- 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 checkedsplit = string.checkedsplit + +local cache = { } + +local splitter = lpeg.Ct(lpeg.splitat(lpeg.S(os.type == "windows" and ";" or ":;"))) + +local function split_kpse_path(str) -- beware, this can be either a path or a {specification} + local found = cache[str] + if not found then + if str == "" then + found = { } + else + str = gsub(str,"\\","/") +--~ local split = (find(str,";") and checkedsplit(str,";")) or checkedsplit(str,io.pathseparator) +local split = lpegmatch(splitter,str) + found = { } + for i=1,#split do + local s = split[i] + if not find(s,"^{*unset}*") then + found[#found+1] = s + end + end + if trace_expansions then + logs.report("fileio","splitting path specification '%s'",str) + for k=1,#found do + logs.report("fileio","% 4i: %s",k,found[k]) + end + end + cache[str] = found + end + end + return found +end + +resolvers.split_kpse_path = split_kpse_path + +function resolvers.splitconfig() + for i=1,#instance do + local c = instance[i] + for k,v in next, c do + if type(v) == 'string' then + local t = split_kpse_path(v) + if #t > 1 then + c[k] = t + end + end + end + end +end + +function resolvers.joinconfig() + local order = instance.order + for i=1,#order do + local c = order[i] + for k,v in next, c do -- indexed? + if type(v) == 'table' then + c[k] = file.join_path(v) + end + end + end +end + +function resolvers.split_path(str) + if type(str) == 'table' then + return str + else + return split_kpse_path(str) + end +end + +function resolvers.join_path(str) + if type(str) == 'table' then + return file.join_path(str) + else + return str + end +end + +function resolvers.splitexpansions() + local ie = instance.expansions + for k,v in next, ie do + local t, h, p = { }, { }, split_kpse_path(v) + for kk=1,#p do + local vv = p[kk] + if vv ~= "" and not h[vv] then + t[#t+1] = 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 + +function resolvers.saveoldconfig() + resolvers.splitconfig() + resolvers.save_data('configuration') + resolvers.joinconfig() +end + +resolvers.configbanner = [[ +-- This is a Luatex configuration file created by 'luatools.lua' or +-- 'luatex.exe' directly. For comment, suggestions and questions you can +-- contact the ConTeXt Development Team. This configuration file is +-- not copyrighted. [HH & TH] +]] + +function resolvers.serialize(files) + -- This version is somewhat optimized for the kind of + -- tables that we deal with, so it's much faster than + -- the generic serializer. This makes sense because + -- luatools and mtxtools are called frequently. Okay, + -- we pay a small price for properly tabbed tables. + local t = { } + local function dump(k,v,m) -- could be moved inline + if type(v) == 'string' then + return m .. "['" .. k .. "']='" .. v .. "'," + elseif #v == 1 then + return m .. "['" .. k .. "']='" .. v[1] .. "'," + else + return m .. "['" .. k .. "']={'" .. concat(v,"','").. "'}," + end + end + t[#t+1] = "return {" + if instance.sortdata then + local sortedfiles = sortedkeys(files) + for i=1,#sortedfiles do + local k = sortedfiles[i] + local fk = files[k] + if type(fk) == 'table' then + t[#t+1] = "\t['" .. k .. "']={" + local sortedfk = sortedkeys(fk) + for j=1,#sortedfk do + local kk = sortedfk[j] + t[#t+1] = dump(kk,fk[kk],"\t\t") + end + t[#t+1] = "\t}," + else + t[#t+1] = dump(k,fk,"\t") + end + end + else + for k, v in next, files do + if type(v) == 'table' then + t[#t+1] = "\t['" .. k .. "']={" + for kk,vv in next, v do + t[#t+1] = dump(kk,vv,"\t\t") + end + t[#t+1] = "\t}," + else + t[#t+1] = dump(k,v,"\t") + end + end + end + t[#t+1] = "}" + return concat(t,"\n") +end + +local data_state = { } + +function resolvers.data_state() + return data_state or { } +end + +function resolvers.save_data(dataname, makename) -- untested without cache overload + for cachename, files in next, instance[dataname] do + local name = (makename or file.join)(cachename,dataname) + local luaname, lucname = name .. ".lua", name .. ".luc" + if trace_locating then + logs.report("fileio","preparing '%s' for '%s'",dataname,cachename) + end + for k, v in next, files do + if type(v) == "table" and #v == 1 then + files[k] = v[1] + end + end + local data = { + type = dataname, + root = cachename, + version = resolvers.cacheversion, + date = os.date("%Y-%m-%d"), + time = os.date("%H:%M:%S"), + content = files, + uuid = os.uuid(), + } + local ok = io.savedata(luaname,resolvers.serialize(data)) + if ok then + if trace_locating then + logs.report("fileio","'%s' saved in '%s'",dataname,luaname) + end + if utils.lua.compile(luaname,lucname,false,true) then -- no cleanup but strip + if trace_locating then + logs.report("fileio","'%s' compiled to '%s'",dataname,lucname) + end + else + if trace_locating then + logs.report("fileio","compiling failed for '%s', deleting file '%s'",dataname,lucname) + end + os.remove(lucname) + end + elseif trace_locating then + logs.report("fileio","unable to save '%s' in '%s' (access error)",dataname,luaname) + end + end +end + +function resolvers.load_data(pathname,dataname,filename,makename) -- untested without cache overload + filename = ((not filename or (filename == "")) and dataname) or filename + filename = (makename and makename(dataname,filename)) or file.join(pathname,filename) + local blob = loadfile(filename .. ".luc") or loadfile(filename .. ".lua") + if blob then + local data = blob() + if data and data.content and data.type == dataname and data.version == resolvers.cacheversion then + data_state[#data_state+1] = data.uuid + if trace_locating then + logs.report("fileio","loading '%s' for '%s' from '%s'",dataname,pathname,filename) + end + instance[dataname][pathname] = data.content + else + if trace_locating then + logs.report("fileio","skipping '%s' for '%s' from '%s'",dataname,pathname,filename) + end + instance[dataname][pathname] = { } + instance.loaderror = true + end + elseif trace_locating then + logs.report("fileio","skipping '%s' for '%s' from '%s'",dataname,pathname,filename) + end +end + +-- some day i'll use the nested approach, but not yet (actually we even drop +-- engine/progname support since we have only luatex now) +-- +-- first texmfcnf.lua files are located, next the cached texmf.cnf files +-- +-- return { +-- TEXMFBOGUS = 'effe checken of dit werkt', +-- } + +function resolvers.resetconfig() + identify_own() + instance.configuration, instance.setup, instance.order, instance.loaderror = { }, { }, { }, false +end + +function resolvers.loadnewconfig() + local luafiles = instance.luafiles + for i=1,#luafiles do + local cnf = luafiles[i] + local pathname = file.dirname(cnf) + local filename = file.join(pathname,resolvers.luaname) + local blob = loadfile(filename) + if blob then + local data = blob() + if data then + if trace_locating then + logs.report("fileio","loading configuration file '%s'",filename) + end + if true then + -- flatten to variable.progname + local t = { } + for k, v in next, data do -- v = progname + if type(v) == "string" then + t[k] = v + else + for kk, vv in next, v do -- vv = variable + if type(vv) == "string" then + t[vv.."."..v] = kk + end + end + end + end + instance['setup'][pathname] = t + else + instance['setup'][pathname] = data + end + else + if trace_locating then + logs.report("fileio","skipping configuration file '%s'",filename) + end + instance['setup'][pathname] = { } + instance.loaderror = true + end + elseif trace_locating then + logs.report("fileio","skipping configuration file '%s'",filename) + end + instance.order[#instance.order+1] = instance.setup[pathname] + if instance.loaderror then break end + end +end + +function resolvers.loadoldconfig() + if not instance.renewcache then + local cnffiles = instance.cnffiles + for i=1,#cnffiles do + local cnf = cnffiles[i] + local dname = file.dirname(cnf) + resolvers.load_data(dname,'configuration') + instance.order[#instance.order+1] = instance.configuration[dname] + if instance.loaderror then break end + end + end + resolvers.joinconfig() +end + +function resolvers.expand_variables() + local expansions, environment, variables = { }, instance.environment, instance.variables + local env = resolvers.env + instance.expansions = expansions + if instance.engine ~= "" then environment['engine'] = instance.engine end + if instance.progname ~= "" then environment['progname'] = instance.progname end + for k,v in next, environment do + local a, b = match(k,"^(%a+)%_(.*)%s*$") + if a and b then + expansions[a..'.'..b] = v + else + expansions[k] = v + end + end + for k,v in next, environment do -- move environment to expansions + if not expansions[k] then expansions[k] = v end + end + for k,v in next, variables do -- move variables to expansions + if not expansions[k] then expansions[k] = v end + end + local busy = false + local function resolve(a) + busy = true + return expansions[a] or env(a) + end + while true do + busy = false + for k,v in next, expansions do + local s, n = gsub(v,"%$([%a%d%_%-]+)",resolve) + local s, m = gsub(s,"%$%{([%a%d%_%-]+)%}",resolve) + if n > 0 or m > 0 then + expansions[k]= s + end + end + if not busy then break end + end + for k,v in next, expansions do + expansions[k] = gsub(v,"\\", '/') + end +end + +function resolvers.variable(name) + return entry(instance.variables,name) +end + +function resolvers.expansion(name) + return entry(instance.expansions,name) +end + +function resolvers.is_variable(name) + return is_entry(instance.variables,name) +end + +function resolvers.is_expansion(name) + return is_entry(instance.expansions,name) +end + +function resolvers.unexpanded_path_list(str) + local pth = resolvers.variable(str) + local lst = resolvers.split_path(pth) + return expanded_path_from_list(lst) +end + +function resolvers.unexpanded_path(str) + return file.join_path(resolvers.unexpanded_path_list(str)) +end + +do -- no longer needed + + local done = { } + + function resolvers.reset_extra_path() + 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.register_extra_path(paths,subpaths) + local ep = instance.extra_paths or { } + local n = #ep + 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 + ep[#ep+1] = resolvers.clean_path(ps) + done[ps] = true + end + end + end + else + for p in gmatch(paths,"[^,]+") do + if not done[p] then + ep[#ep+1] = resolvers.clean_path(p) + done[p] = true + end + end + end + elseif subpaths and subpaths ~= "" then + for i=1,n 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 + ep[#ep+1] = resolvers.clean_path(ps) + done[ps] = true + end + end + end + end + if #ep > 0 then + instance.extra_paths = ep -- register paths + end + if #ep > n then + instance.lists = { } -- erase the cache + end + 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 = { }, { } + -- 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 + new[#new+1] = 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 + new[#new+1] = v + end + end + -- next the formal paths + for k=1,#list do + local v = list[k] + if not done[v] then + done[v] = true + new[#new+1] = v + end + end + return new + end +end + +function resolvers.clean_path_list(str) + local t = resolvers.expanded_path_list(str) + if t then + for i=1,#t do + t[i] = file.collapse_path(resolvers.clean_path(t[i])) + end + end + return t +end + +function resolvers.expand_path(str) + return file.join_path(resolvers.expanded_path_list(str)) +end + +function resolvers.expanded_path_list(str) + if not str then + return ep or { } -- ep ? + elseif instance.savelists then + -- engine+progname hash + str = gsub(str,"%$","") + if not instance.lists[str] then -- cached + local lst = made_list(instance,resolvers.split_path(resolvers.expansion(str))) + instance.lists[str] = expanded_path_from_list(lst) + end + return instance.lists[str] + else + local lst = resolvers.split_path(resolvers.expansion(str)) + return made_list(instance,expanded_path_from_list(lst)) + end +end + +function resolvers.expanded_path_list_from_var(str) -- brrr + local tmp = resolvers.var_of_format_or_suffix(gsub(str,"%$","")) + if tmp ~= "" then + return resolvers.expanded_path_list(tmp) + else + return resolvers.expanded_path_list(str) + end +end + +function resolvers.expand_path_from_var(str) + return file.join_path(resolvers.expanded_path_list_from_var(str)) +end + +function resolvers.format_of_var(str) + return formats[str] or formats[alternatives[str]] or '' +end +function resolvers.format_of_suffix(str) + return suffixmap[file.extname(str)] or 'tex' +end + +function resolvers.variable_of_format(str) + return formats[str] or formats[alternatives[str]] or '' +end + +function resolvers.var_of_format_or_suffix(str) + local v = formats[str] + if v then + return v + end + v = formats[alternatives[str]] + if v then + return v + end + v = suffixmap[file.extname(str)] + if v then + return formats[isf] + end + return '' +end + +function resolvers.expand_braces(str) -- output variable and brace expansion of STRING + local ori = resolvers.variable(str) + local pth = expanded_path_from_list(resolvers.split_path(ori)) + return file.join_path(pth) +end + +resolvers.isreadable = { } + +function resolvers.isreadable.file(name) + local readable = lfs.isfile(name) -- brrr + if trace_detail then + if readable then + logs.report("fileio","file '%s' is readable",name) + else + logs.report("fileio","file '%s' is not readable", name) + end + end + return readable +end + +resolvers.isreadable.tex = resolvers.isreadable.file + +-- name +-- name/name + +local function collect_files(names) + local filelist = { } + for k=1,#names do + local fname = names[k] + if trace_detail then + logs.report("fileio","checking name '%s'",fname) + end + local bname = file.basename(fname) + local dname = file.dirname(fname) + if dname == "" or find(dname,"^%.") then + dname = false + else + dname = "/" .. dname .. "$" + end + local hashes = instance.hashes + for h=1,#hashes do + local hash = hashes[h] + local blobpath = hash.tag + local files = blobpath and instance.files[blobpath] + if files then + if trace_detail then + logs.report("fileio","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 + if type(blobfile) == 'string' then + if not dname or find(blobfile,dname) then + filelist[#filelist+1] = { + hash.type, + file.join(blobpath,blobfile,bname), -- search + resolvers.concatinators[hash.type](blobpath,blobfile,bname) -- result + } + end + else + for kk=1,#blobfile do + local vv = blobfile[kk] + if not dname or find(vv,dname) then + filelist[#filelist+1] = { + hash.type, + file.join(blobpath,vv,bname), -- search + resolvers.concatinators[hash.type](blobpath,vv,bname) -- result + } + end + end + end + end + elseif trace_locating then + logs.report("fileio","no match in '%s' (%s)",blobpath,bname) + end + end + end + if #filelist > 0 then + return filelist + else + return nil + end +end + +function resolvers.suffix_of_format(str) + if suffixes[str] then + return suffixes[str][1] + else + return "" + end +end + +function resolvers.suffixes_of_format(str) + if suffixes[str] then + return suffixes[str] + else + return {} + end +end + +function resolvers.register_in_trees(name) + if not find(name,"^%.") then + instance.foundintrees[name] = (instance.foundintrees[name] or 0) + 1 -- maybe only one + end +end + +-- split the next one up for readability (bu 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 function collect_instance_files(filename,collected) -- todo : plugin (scanners, checkers etc) + local result = collected or { } + local stamp = nil + filename = file.collapse_path(filename) + -- speed up / beware: format problem + if instance.remember then + stamp = filename .. "--" .. instance.engine .. "--" .. instance.progname .. "--" .. instance.format + if instance.found[stamp] then + if trace_locating then + logs.report("fileio","remembering file '%s'",filename) + end + return instance.found[stamp] + end + end + if not dangerous[instance.format or "?"] then + if resolvers.isreadable.file(filename) then + if trace_detail then + logs.report("fileio","file '%s' found directly",filename) + end + instance.found[stamp] = { filename } + return { filename } + end + end + if find(filename,'%*') then + if trace_locating then + logs.report("fileio","checking wildcard '%s'", filename) + end + result = resolvers.find_wildcard_files(filename) + elseif file.is_qualified_path(filename) then + if resolvers.isreadable.file(filename) then + if trace_locating then + logs.report("fileio","qualified name '%s'", filename) + end + result = { filename } + else + local forcedname, ok, suffix = "", false, file.extname(filename) + if suffix == "" then -- why + if instance.format == "" then + forcedname = filename .. ".tex" + if resolvers.isreadable.file(forcedname) then + if trace_locating then + logs.report("fileio","no suffix, forcing standard filetype 'tex'") + end + result, ok = { forcedname }, true + end + else + local suffixes = resolvers.suffixes_of_format(instance.format) + for _, s in next, suffixes do + forcedname = filename .. "." .. s + if resolvers.isreadable.file(forcedname) then + if trace_locating then + logs.report("fileio","no suffix, forcing format filetype '%s'", s) + end + result, ok = { forcedname }, true + break + end + end + end + end + if not ok and suffix ~= "" then + -- try to find in tree (no suffix manipulation), here we search for the + -- matching last part of the name + local basename = file.basename(filename) + local pattern = gsub(filename .. "$","([%.%-])","%%%1") + local savedformat = instance.format + local format = savedformat or "" + if format == "" then + instance.format = resolvers.format_of_suffix(suffix) + end + if not format then + instance.format = "othertextfiles" -- kind of everything, maybe texinput is better + end + -- + if basename ~= filename then + local resolved = collect_instance_files(basename) + if #result == 0 then + local lowered = lower(basename) + if filename ~= lowered then + resolved = collect_instance_files(lowered) + end + end + resolvers.format = savedformat + -- + for r=1,#resolved do + local rr = resolved[r] + if find(rr,pattern) then + result[#result+1], ok = rr, true + end + end + end + -- a real wildcard: + -- + -- if not ok then + -- local filelist = collect_files({basename}) + -- for f=1,#filelist do + -- local ff = filelist[f][3] or "" + -- if find(ff,pattern) then + -- result[#result+1], ok = ff, true + -- end + -- end + -- end + end + if not ok and trace_locating then + logs.report("fileio","qualified name '%s'", filename) + end + end + else + -- search spec + local filetype, extra, done, wantedfiles, ext = '', nil, false, { }, file.extname(filename) + if ext == "" then + if not instance.force_suffixes then + wantedfiles[#wantedfiles+1] = filename + end + else + wantedfiles[#wantedfiles+1] = filename + end + if instance.format == "" then + if ext == "" then + local forcedname = filename .. '.tex' + wantedfiles[#wantedfiles+1] = forcedname + filetype = resolvers.format_of_suffix(forcedname) + if trace_locating then + logs.report("fileio","forcing filetype '%s'",filetype) + end + else + filetype = resolvers.format_of_suffix(filename) + if trace_locating then + logs.report("fileio","using suffix based filetype '%s'",filetype) + end + end + else + if ext == "" then + local suffixes = resolvers.suffixes_of_format(instance.format) + for _, s in next, suffixes do + wantedfiles[#wantedfiles+1] = filename .. "." .. s + end + end + filetype = instance.format + if trace_locating then + logs.report("fileio","using given filetype '%s'",filetype) + end + end + local typespec = resolvers.variable_of_format(filetype) + local pathlist = resolvers.expanded_path_list(typespec) + if not pathlist or #pathlist == 0 then + -- no pathlist, access check only / todo == wildcard + if trace_detail then + logs.report("fileio","checking filename '%s', filetype '%s', wanted files '%s'",filename, filetype or '?',concat(wantedfiles," | ")) + end + for k=1,#wantedfiles do + local fname = wantedfiles[k] + if fname and resolvers.isreadable.file(fname) then + filename, done = fname, true + result[#result+1] = file.join('.',fname) + break + end + end + -- this is actually 'other text files' or 'any' or 'whatever' + local filelist = collect_files(wantedfiles) + local fl = filelist and filelist[1] + if fl then + filename = fl[3] + result[#result+1] = filename + done = true + end + else + -- list search + local filelist = collect_files(wantedfiles) + local dirlist = { } + if filelist then + for i=1,#filelist do + dirlist[i] = file.dirname(filelist[i][2]) .. "/" + end + end + if trace_detail then + logs.report("fileio","checking filename '%s'",filename) + end + -- a bit messy ... esp the doscan setting here + local doscan + for k=1,#pathlist do + local path = pathlist[k] + if find(path,"^!!") then doscan = false else doscan = true end + local pathname = gsub(path,"^!+", '') + done = false + -- using file list + if filelist then + local expression + -- compare list entries with permitted pattern -- /xx /xx// + if not find(pathname,"/$") then + expression = pathname .. "/" + else + expression = pathname + end + expression = gsub(expression,"([%-%.])","%%%1") -- this also influences + expression = gsub(expression,"//+$", '/.*') -- later usage of pathname + expression = gsub(expression,"//", '/.-/') -- not ok for /// but harmless + expression = "^" .. expression .. "$" + if trace_detail then + logs.report("fileio","using pattern '%s' for path '%s'",expression,pathname) + end + for k=1,#filelist do + local fl = filelist[k] + local f = fl[2] + local d = dirlist[k] + if find(d,expression) then + --- todo, test for readable + result[#result+1] = fl[3] + resolvers.register_in_trees(f) -- for tracing used files + done = true + if instance.allresults then + if trace_detail then + logs.report("fileio","match in hash for file '%s' on path '%s', continue scanning",f,d) + end + else + if trace_detail then + logs.report("fileio","match in hash for file '%s' on path '%s', quit scanning",f,d) + end + break + end + elseif trace_detail then + logs.report("fileio","no match in hash for file '%s' on path '%s'",f,d) + end + end + end + if not done and doscan then + -- check if on disk / unchecked / does not work at all / also zips + if resolvers.splitmethod(pathname).scheme == 'file' then -- ? + local pname = gsub(pathname,"%.%*$",'') + if not find(pname,"%*") then + local ppname = gsub(pname,"/+$","") + if can_be_dir(ppname) then + for k=1,#wantedfiles do + local w = wantedfiles[k] + local fname = file.join(ppname,w) + if resolvers.isreadable.file(fname) then + if trace_detail then + logs.report("fileio","found '%s' by scanning",fname) + end + result[#result+1] = fname + done = true + if not instance.allresults then break end + end + end + else + -- no access needed for non existing path, speedup (esp in large tree with lots of fake) + end + end + end + end + if not done and doscan then + -- todo: slow path scanning + end + if done and not instance.allresults then break end + end + end + end + for k=1,#result do + result[k] = file.collapse_path(result[k]) + end + if instance.remember then + instance.found[stamp] = result + end + return result +end + +if not resolvers.concatinators then resolvers.concatinators = { } end + +resolvers.concatinators.tex = file.join +resolvers.concatinators.file = resolvers.concatinators.tex + +function resolvers.find_files(filename,filetype,mustexist) + if type(mustexist) == boolean then + -- all set + elseif type(filetype) == 'boolean' then + filetype, mustexist = nil, false + elseif type(filetype) ~= 'string' then + filetype, mustexist = nil, false + end + instance.format = filetype or '' + local result = collect_instance_files(filename) + if #result == 0 then + local lowered = lower(filename) + if filename ~= lowered then + return collect_instance_files(lowered) + end + end + instance.format = '' + return result +end + +function resolvers.find_file(filename,filetype,mustexist) + return (resolvers.find_files(filename,filetype,mustexist)[1] or "") +end + +function resolvers.find_given_files(filename) + local bname, result = file.basename(filename), { } + local hashes = instance.hashes + for k=1,#hashes do + local hash = hashes[k] + local files = instance.files[hash.tag] 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 + result[#result+1] = resolvers.concatinators[hash.type](hash.tag,blist,bname) or "" + if not instance.allresults then break end + else + for kk=1,#blist do + local vv = blist[kk] + result[#result+1] = resolvers.concatinators[hash.type](hash.tag,vv,bname) or "" + if not instance.allresults then break end + end + end + end + end + return result +end + +function resolvers.find_given_file(filename) + return (resolvers.find_given_files(filename)[1] or "") +end + +local function doit(path,blist,bname,tag,kind,result,allresults) + local done = false + if blist and kind then + if type(blist) == 'string' then + -- make function and share code + if find(lower(blist),path) then + result[#result+1] = resolvers.concatinators[kind](tag,blist,bname) or "" + done = true + end + else + for kk=1,#blist do + local vv = blist[kk] + if find(lower(vv),path) then + result[#result+1] = resolvers.concatinators[kind](tag,vv,bname) or "" + done = true + if not allresults then break end + end + end + end + end + return done +end + +function resolvers.find_wildcard_files(filename) -- todo: remap: + local result = { } + local bname, dname = file.basename(filename), file.dirname(filename) + local path = gsub(dname,"^*/","") + path = gsub(path,"*",".*") + path = gsub(path,"-","%%-") + if dname == "" then + path = ".*" + end + local name = bname + name = gsub(name,"*",".*") + name = gsub(name,"-","%%-") + path = lower(path) + name = lower(name) + local files, allresults, done = instance.files, instance.allresults, false + if find(name,"%*") then + local hashes = instance.hashes + for k=1,#hashes do + local hash = hashes[k] + local tag, kind = hash.tag, hash.type + for kk, hh in next, files[hash.tag] do + if not find(kk,"^remap:") then + if find(lower(kk),name) then + if doit(path,hh,kk,tag,kind,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 tag, kind = hash.tag, hash.type + if doit(path,files[tag][bname],bname,tag,kind,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.find_wildcard_file(filename) + return (resolvers.find_wildcard_files(filename)[1] or "") +end + +-- main user functions + +function resolvers.automount() + -- implemented later +end + +function resolvers.load(option) + statistics.starttiming(instance) + resolvers.resetconfig() + resolvers.identify_cnf() + resolvers.load_lua() -- will become the new method + resolvers.expand_variables() + resolvers.load_cnf() -- will be skipped when we have a lua file + resolvers.expand_variables() + if option ~= "nofiles" then + resolvers.load_hash() + resolvers.automount() + end + statistics.stoptiming(instance) +end + +function resolvers.for_files(command, files, filetype, mustexist) + if files and #files > 0 then + local function report(str) + if trace_locating then + logs.report("fileio",str) -- has already verbose + else + print(str) + end + end + if trace_locating then + report('') -- ? + end + for f=1,#files do + local file = files[f] + local result = command(file,filetype,mustexist) + if type(result) == 'string' then + report(result) + else + for i=1,#result do + report(result[i]) -- could be unpack + end + end + end + end +end + +-- strtab + +resolvers.var_value = resolvers.variable -- output the value of variable $STRING. +resolvers.expand_var = resolvers.expansion -- output variable expansion of STRING. + +function resolvers.show_path(str) -- output search path for file type NAME + return file.join_path(resolvers.expanded_path_list(resolvers.format_of_var(str))) +end + +-- resolvers.find_file(filename) +-- resolvers.find_file(filename, filetype, mustexist) +-- resolvers.find_file(filename, mustexist) +-- resolvers.find_file(filename, filetype) + +function resolvers.register_file(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.splitmethod(filename) + if not filename then + return { } -- safeguard + elseif type(filename) == "table" then + return filename -- already split + elseif not find(filename,"://") then + return { scheme="file", path = filename, original=filename } -- quick hack + else + return url.hashed(filename) + end +end + +function table.sequenced(t,sep) -- temp here + local s = { } + for k, v in next, t do -- indexed? + s[#s+1] = k .. "=" .. tostring(v) + end + return concat(s, sep or " | ") +end + +function resolvers.methodhandler(what, filename, filetype) -- ... + filename = file.collapse_path(filename) + local specification = (type(filename) == "string" and resolvers.splitmethod(filename)) or filename -- no or { }, let it bomb + local scheme = specification.scheme + if resolvers[what][scheme] then + if trace_locating then + logs.report("fileio","handler '%s' -> '%s' -> '%s'",specification.original,what,table.sequenced(specification)) + end + return resolvers[what][scheme](filename,filetype) -- todo: specification + else + return resolvers[what].tex(filename,filetype) -- todo: specification + end +end + +function resolvers.clean_path(str) + if str then + str = gsub(str,"\\","/") + str = gsub(str,"^!+","") + str = gsub(str,"^~",resolvers.homedir) + return str + else + return nil + end +end + +function resolvers.do_with_path(name,func) + local pathlist = resolvers.expanded_path_list(name) + for i=1,#pathlist do + func("^"..resolvers.clean_path(pathlist[i])) + end +end + +function resolvers.do_with_var(name,func) + func(expanded_var(name)) +end + +function resolvers.with_files(pattern,handle) + local hashes = instance.hashes + for i=1,#hashes do + local hash = hashes[i] + local blobpath = hash.tag + local blobtype = hash.type + if blobpath then + local files = instance.files[blobpath] + if files then + for k,v in next, files do + if find(k,"^remap:") then + k = files[k] + v = files[k] -- chained + end + if find(k,pattern) then + if type(v) == "string" then + handle(blobtype,blobpath,v,k) + else + for _,vv in next, v do -- indexed + handle(blobtype,blobpath,vv,k) + end + end + end + end + end + end + end +end + +function resolvers.locate_format(name) + local barename, fmtname = gsub(name,"%.%a+$",""), "" + if resolvers.usecache then + local path = file.join(caches.setpath("formats")) -- maybe platform + fmtname = file.join(path,barename..".fmt") or "" + end + if fmtname == "" then + fmtname = resolvers.find_files(barename..".fmt")[1] or "" + end + fmtname = resolvers.clean_path(fmtname) + 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.boolean_variable(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 + +texconfig.kpse_init = false + +kpse = { original = kpse } setmetatable(kpse, { __index = function(k,v) return resolvers[v] end } ) + +-- for a while + +input = resolvers + + +end -- of closure + +do -- create closure to overcome 200 locals limit + +if not modules then modules = { } end modules ['data-tmp'] = { + 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" +} + +--[[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 = string.format, string.lower, string.gsub + +local trace_cache = false trackers.register("resolvers.cache", function(v) trace_cache = v end) -- not used yet + +caches = caches or { } + +caches.path = caches.path or nil +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.paths = caches.paths or nil +caches.force = false +caches.defaults = { "TEXMFCACHE", "TMPDIR", "TEMPDIR", "TMP", "TEMP", "HOME", "HOMEPATH" } + +function caches.temp() + local cachepath = nil + local function check(list,isenv) + if not cachepath then + for k=1,#list do + local v = list[k] + cachepath = (isenv and (os.env[v] or "")) or v or "" + if cachepath == "" then + -- next + else + cachepath = resolvers.clean_path(cachepath) + if lfs.isdir(cachepath) and file.iswritable(cachepath) then -- lfs.attributes(cachepath,"mode") == "directory" + break + elseif caches.force or io.ask(format("\nShould I create the cache path %s?",cachepath), "no", { "yes", "no" }) == "yes" then + dir.mkdirs(cachepath) + if lfs.isdir(cachepath) and file.iswritable(cachepath) then + break + end + end + end + cachepath = nil + end + end + end + check(resolvers.clean_path_list("TEXMFCACHE") or { }) + check(caches.defaults,true) + if not cachepath then + print("\nfatal error: there is no valid (writable) cache path defined\n") + os.exit() + elseif not lfs.isdir(cachepath) then -- lfs.attributes(cachepath,"mode") ~= "directory" + print(format("\nfatal error: cache path %s is not a directory\n",cachepath)) + os.exit() + end + cachepath = file.collapse_path(cachepath) + function caches.temp() + return cachepath + end + return cachepath +end + +function caches.configpath() + return table.concat(resolvers.instance.cnffiles,";") +end + +function caches.hashed(tree) + return md5.hex(gsub(lower(tree),"[\\\/]+","/")) +end + +function caches.treehash() + local tree = caches.configpath() + if not tree or tree == "" then + return false + else + return caches.hashed(tree) + end +end + +function caches.setpath(...) + if not caches.path then + if not caches.path then + caches.path = caches.temp() + end + caches.path = resolvers.clean_path(caches.path) -- to be sure + caches.tree = caches.tree or caches.treehash() + if caches.tree then + caches.path = dir.mkdirs(caches.path,caches.base,caches.more,caches.tree) + else + caches.path = dir.mkdirs(caches.path,caches.base,caches.more) + end + end + if not caches.path then + caches.path = '.' + end + caches.path = resolvers.clean_path(caches.path) + local dirs = { ... } + if #dirs > 0 then + local pth = dir.mkdirs(caches.path,...) + return pth + end + caches.path = dir.expand_name(caches.path) + return caches.path +end + +function caches.definepath(category,subcategory) + return function() + return caches.setpath(category,subcategory) + end +end + +function caches.setluanames(path,name) + return path .. "/" .. name .. ".tma", path .. "/" .. name .. ".tmc" +end + +function caches.loaddata(path,name) + local tmaname, tmcname = caches.setluanames(path,name) + local loader = loadfile(tmcname) or loadfile(tmaname) + if loader then + loader = loader() + collectgarbage("step") + return loader + else + return false + end +end + +--~ function caches.loaddata(path,name) +--~ local tmaname, tmcname = caches.setluanames(path,name) +--~ return dofile(tmcname) or dofile(tmaname) +--~ end + +function caches.iswritable(filepath,filename) + local tmaname, tmcname = caches.setluanames(filepath,filename) + return file.iswritable(tmaname) +end + +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, table.serialize(data,'return',false,true,false)) -- no hex + else + table.tofile(tmaname, data,'return',false,true,false) -- maybe not the last true + end + local cleanup = resolvers.boolean_variable("PURGECACHE", false) + local strip = resolvers.boolean_variable("LUACSTRIP", true) + utils.lua.compile(tmaname, tmcname, cleanup, strip) +end + +-- here we use the cache for format loading (texconfig.[formatname|jobname]) + +--~ if tex and texconfig and texconfig.formatname and texconfig.formatname == "" then +if tex and texconfig and (not texconfig.formatname or texconfig.formatname == "") and input and resolvers.instance then + if not texconfig.luaname then texconfig.luaname = "cont-en.lua" end -- or luc + texconfig.formatname = caches.setpath("formats") .. "/" .. gsub(texconfig.luaname,"%.lu.$",".fmt") +end + + +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" +} + +--~ print(resolvers.resolve("abc env:tmp file:cont-en.tex path:cont-en.tex full:cont-en.tex rel:zapf/one/p-chars.tex")) + +local upper, lower, gsub = string.upper, string.lower, string.gsub + +local prefixes = { } + +prefixes.environment = function(str) + return resolvers.clean_path(os.getenv(str) or os.getenv(upper(str)) or os.getenv(lower(str)) or "") +end + +prefixes.relative = function(str,n) + 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 resolvers.clean_path(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 = resolvers.find_given_file(str) or "" + return resolvers.clean_path((fullname ~= "" and fullname) or str) +end + +prefixes.filename = function(str) + local fullname = resolvers.find_given_file(str) or "" + return resolvers.clean_path(file.basename((fullname ~= "" and fullname) or str)) +end + +prefixes.pathname = function(str) + local fullname = resolvers.find_given_file(str) or "" + return resolvers.clean_path(file.dirname((fullname ~= "" and fullname) or 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) + if prefixes[method] then + return prefixes[method](target) + else + return method .. ":" .. target + end +end + +local function resolve(str) + if type(str) == "table" then + for k=1,#str do + local v = str[k] + str[k] = resolve(v) or v + end + elseif str and str ~= "" then + str = gsub(str,"([a-z]+):([^ \"\']*)",_resolve_) + end + return str +end + +resolvers.resolve = resolve + +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 + + +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" +} + +resolvers.finders = resolvers.finders or { } +resolvers.openers = resolvers.openers or { } +resolvers.loaders = resolvers.loaders or { } + +resolvers.finders.notfound = { nil } +resolvers.openers.notfound = { nil } +resolvers.loaders.notfound = { false, nil, 0 } + + +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" +} + +outputs = outputs or { } + + + +end -- of closure + +do -- create closure to overcome 200 locals limit + +if not modules then modules = { } end modules ['data-con'] = { + 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 = 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 { } + +containers.usecache = true + +local function report(container,tag,name) + if trace_cache or trace_containers then + logs.report(format("%s cache",container.subcategory),"%s: %s",tag,name or 'invalid') + end +end + +local allocated = { } + +-- tracing + +function containers.define(category, subcategory, version, enabled) + return function() + 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 1.000, + trace = false, + path = caches and caches.setpath and caches.setpath(category,subcategory), + } + c[subcategory] = s + end + return s + else + return nil + end + end +end + +function containers.is_usable(container, name) + return container.enabled and caches and caches.iswritable(container.path, 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) + if container.enabled and caches and not container.storage[name] and containers.usecache then + container.storage[name] = caches.loaddata(container.path,name) + if containers.is_valid(container,name) then + report(container,"loaded",name) + else + container.storage[name] = nil + end + end + if container.storage[name] then + report(container,"reusing",name) + end + return container.storage[name] +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.path, 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) + +-- since we want to use the cache instead of the tree, we will now +-- reimplement the saver. + +local save_data = resolvers.save_data +local load_data = resolvers.load_data + +resolvers.cachepath = nil -- public, for tracing +resolvers.usecache = true -- public, for tracing + +function resolvers.save_data(dataname) + save_data(dataname, function(cachename,dataname) + resolvers.usecache = not toboolean(resolvers.expansion("CACHEINTDS") or "false",true) + if resolvers.usecache then + resolvers.cachepath = resolvers.cachepath or caches.definepath("trees") + return file.join(resolvers.cachepath(),caches.hashed(cachename)) + else + return file.join(cachename,dataname) + end + end) +end + +function resolvers.load_data(pathname,dataname,filename) + load_data(pathname,dataname,filename,function(dataname,filename) + resolvers.usecache = not toboolean(resolvers.expansion("CACHEINTDS") or "false",true) + if resolvers.usecache then + resolvers.cachepath = resolvers.cachepath or caches.definepath("trees") + return file.join(resolvers.cachepath(),caches.hashed(pathname)) + else + if not filename or (filename == "") then + filename = dataname + end + return file.join(pathname,filename) + end + end) +end + +-- 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.clean_path_list(resolvers.expansion('TEXMFMOUNT')) + if (not mountpaths or #mountpaths == 0) and usecache then + mountpaths = { caches.setpath("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 + logs.report("fileio","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 path", function() return caches.configpath() end) +statistics.register("used cache path", function() return caches.temp() or "?" end) + +-- experiment (code will move) + +function statistics.save_fmt_status(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.find_file(sourcefile)) or "unknown"), + sourcefile = sourcefile, + } + io.savedata(luvname,table.serialize(luvdata,true)) + end +end + +function statistics.check_fmt_status(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.find_file(luv.sourcefile)) or "unknown") + local luvbanner = luv.enginebanner or "?" + if luvbanner ~= enginebanner then + return string.format("engine mismatch (luv:%s <> bin:%s)",luvbanner,enginebanner) + end + local luvhash = luv.sourcehash or "?" + if luvhash ~= sourcehash then + return string.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" +} + +local format, find, match = string.format, string.find, string.match +local unpack = unpack or table.unpack + +local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) + +-- 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 + +zip = zip or { } +zip.archives = zip.archives or { } +zip.registeredfiles = zip.registeredfiles or { } + +local finders, openers, loaders = resolvers.finders, resolvers.openers, resolvers.loaders +local locators, hashers, concatinators = resolvers.locators, resolvers.hashers, resolvers.concatinators + +local archives = zip.archives + +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.find_file(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 locators.zip(specification) -- where is this used? startup zips (untested) + specification = resolvers.splitmethod(specification) + local zipfile = specification.path + local zfile = zip.openarchive(name) -- tricky, could be in to be initialized tree + if trace_locating then + if zfile then + logs.report("fileio","zip locator, archive '%s' found",specification.original) + else + logs.report("fileio","zip locator, archive '%s' not found",specification.original) + end + end +end + +function hashers.zip(tag,name) + if trace_locating then + logs.report("fileio","loading zip file '%s' as '%s'",name,tag) + end + resolvers.usezipfile(format("%s?tree=%s",tag,name)) +end + +function concatinators.zip(tag,path,name) + if not path or path == "" then + return format('%s?name=%s',tag,name) + else + return format('%s?name=%s/%s',tag,path,name) + end +end + +function resolvers.isreadable.zip(name) + return true +end + +function finders.zip(specification,filetype) + specification = resolvers.splitmethod(specification) + if specification.path then + local q = url.query(specification.query) + if q.name then + local zfile = zip.openarchive(specification.path) + if zfile then + if trace_locating then + logs.report("fileio","zip finder, archive '%s' found",specification.path) + end + local dfile = zfile:open(q.name) + if dfile then + dfile = zfile:close() + if trace_locating then + logs.report("fileio","zip finder, file '%s' found",q.name) + end + return specification.original + elseif trace_locating then + logs.report("fileio","zip finder, file '%s' not found",q.name) + end + elseif trace_locating then + logs.report("fileio","zip finder, unknown archive '%s'",specification.path) + end + end + end + if trace_locating then + logs.report("fileio","zip finder, '%s' not found",filename) + end + return unpack(finders.notfound) +end + +function openers.zip(specification) + local zipspecification = resolvers.splitmethod(specification) + if zipspecification.path then + local q = url.query(zipspecification.query) + if q.name then + local zfile = zip.openarchive(zipspecification.path) + if zfile then + if trace_locating then + logs.report("fileio","zip opener, archive '%s' opened",zipspecification.path) + end + local dfile = zfile:open(q.name) + if dfile then + logs.show_open(specification) + if trace_locating then + logs.report("fileio","zip opener, file '%s' found",q.name) + end + return openers.text_opener(specification,dfile,'zip') + elseif trace_locating then + logs.report("fileio","zip opener, file '%s' not found",q.name) + end + elseif trace_locating then + logs.report("fileio","zip opener, unknown archive '%s'",zipspecification.path) + end + end + end + if trace_locating then + logs.report("fileio","zip opener, '%s' not found",filename) + end + return unpack(openers.notfound) +end + +function loaders.zip(specification) + specification = resolvers.splitmethod(specification) + if specification.path then + local q = url.query(specification.query) + if q.name then + local zfile = zip.openarchive(specification.path) + if zfile then + if trace_locating then + logs.report("fileio","zip loader, archive '%s' opened",specification.path) + end + local dfile = zfile:open(q.name) + if dfile then + logs.show_load(filename) + if trace_locating then + logs.report("fileio","zip loader, file '%s' loaded",filename) + end + local s = dfile:read("*all") + dfile:close() + return true, s, #s + elseif trace_locating then + logs.report("fileio","zip loader, file '%s' not found",q.name) + end + elseif trace_locating then + logs.report("fileio","zip loader, unknown archive '%s'",specification.path) + end + end + end + if trace_locating then + logs.report("fileio","zip loader, '%s' not found",filename) + end + return unpack(openers.notfound) +end + +-- zip:///somefile.zip +-- zip:///somefile.zip?tree=texmf-local -> mount + +function resolvers.usezipfile(zipname) + zipname = validzip(zipname) + local specification = resolvers.splitmethod(zipname) + local zipfile = specification.path + if zipfile and not zip.registeredfiles[zipname] then + local tree = url.query(specification.query).tree or "" + local z = zip.openarchive(zipfile) + if z then + local instance = resolvers.instance + if trace_locating then + logs.report("fileio","zip registering, registering archive '%s'",zipname) + end + statistics.starttiming(instance) + resolvers.prepend_hash('zip',zipname,zipfile) + resolvers.extend_texmf_var(zipname) -- resets hashes too + zip.registeredfiles[zipname] = z + instance.files[zipname] = resolvers.register_zip_file(z,tree or "") + statistics.stoptiming(instance) + elseif trace_locating then + logs.report("fileio","zip registering, unknown archive '%s'",zipname) + end + elseif trace_locating then + logs.report("fileio","zip registering, '%s' not found",zipname) + end +end + +function resolvers.register_zip_file(z,tree) + local files, filter = { }, "" + if tree == "" then + filter = "^(.+)/(.-)$" + else + filter = format("^%s/(.+)/(.-)$",tree) + end + if trace_locating then + logs.report("fileio","zip registering, using filter '%s'",filter) + end + local register, n = resolvers.register_file, 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 + logs.report("fileio","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-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" +} + +local gsub = string.gsub + +curl = curl or { } + +curl.cached = { } +curl.cachepath = caches.definepath("curl") + +local finders, openers, loaders = resolvers.finders, resolvers.openers, resolvers.loaders + +function curl.fetch(protocol, name) + local cachename = curl.cachepath() .. "/" .. gsub(name,"[^%a%d%.]+","-") +-- cachename = gsub(cachename,"[\\/]", io.fileseparator) + cachename = gsub(cachename,"[\\]", "/") -- cleanup + if not curl.cached[name] then + if not io.exists(cachename) then + curl.cached[name] = cachename + local command = "curl --silent --create-dirs --output " .. cachename .. " " .. name -- no protocol .. "://" + os.spawn(command) + end + if io.exists(cachename) then + curl.cached[name] = cachename + else + curl.cached[name] = "" + end + end + return curl.cached[name] +end + +function finders.curl(protocol,filename) + local foundname = curl.fetch(protocol, filename) + return finders.generic(protocol,foundname,filetype) +end + +function openers.curl(protocol,filename) + return openers.generic(protocol,filename) +end + +function loaders.curl(protocol,filename) + return loaders.generic(protocol,filename) +end + +-- todo: metamethod + +function curl.install(protocol) + finders[protocol] = function (filename,filetype) return finders.curl(protocol,filename) end + openers[protocol] = function (filename) return openers.curl(protocol,filename) end + loaders[protocol] = function (filename) return loaders.curl(protocol,filename) end +end + +curl.install('http') +curl.install('https') +curl.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 gsub, insert = string.gsub, table.insert +local unpack = unpack or table.unpack + +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.split_path(_path_,";") + end + return libpaths +end + +function package.clibpaths() + if not _cpath_ or package.cpath ~= _cpath_ then + _cpath_ = package.cpath + clibpaths = file.split_path(_cpath_,";") + end + return clibpaths +end + +local function thepath(...) + local t = { ... } t[#t+1] = "?.lua" + local path = file.join(unpack(t)) + if trace_locating then + logs.report("fileio","! appending '%s' to 'package.path'",path) + end + return path +end + +local p_libpaths, a_libpaths = { }, { } + +function package.append_libpath(...) + insert(a_libpath,thepath(...)) +end + +function package.prepend_libpath(...) + 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 + logs.report("fileio","! checking for '%s' on 'package.path': '%s' => '%s'",simple,libpath,resolved) + end + if resolvers.isreadable.file(resolved) then + if trace_locating then + logs.report("fileio","! 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 trace_locating then -- mode detail + logs.report("fileio","! locating '%s'",name) + end + for i=1,#libformats do + local format = libformats[i] + local resolved = resolvers.find_file(name,format) or "" + if trace_locating then -- mode detail + logs.report("fileio","! checking for '%s' using 'libformat path': '%s'",name,format) + end + if resolved ~= "" then + if trace_locating then + logs.report("fileio","! 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.expanded_path_list_from_var(format) + for p=1,#paths do + local path = paths[p] + local resolved = file.join(path,libname) + if trace_locating then -- mode detail + logs.report("fileio","! checking for '%s' using 'clibformat path': '%s'",libname,path) + end + if resolvers.isreadable.file(resolved) then + if trace_locating then + logs.report("fileio","! 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 + logs.report("fileio","! checking for '%s' on 'package.cpath': '%s'",simple,libpath) + end + if resolvers.isreadable.file(resolved) then + if trace_locating then + logs.report("fileio","! 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 + logs.report("fileio","! checking for '%s' using 'luatexlibs': '%s'",name) + end + local resolved = resolvers.find_file(file.basename(name),'luatexlibs') or "" + if resolved ~= "" then + if trace_locating then + logs.report("fileio","! lib '%s' located by basename via environment: '%s'",name,resolved) + end + return loadfile(resolved) + end + if trace_locating then + logs.report("fileio",'? unable to locate lib: %s',name) + end +-- return "unable to locate " .. name +end + +resolvers.loadlualib = require + + +end -- of closure + +do -- create closure to overcome 200 locals limit + +if not modules then modules = { } end modules ['luat-kps'] = { + version = 1.001, + comment = "companion to luatools.lua", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +--[[ldx-- +<p>This file is used when we want the input handlers to behave like +<type>kpsewhich</type>. What to do with the following:</p> + +<typing> +{$SELFAUTOLOC,$SELFAUTODIR,$SELFAUTOPARENT}{,{/share,}/texmf{-local,}/web2c} +$SELFAUTOLOC : /usr/tex/bin/platform +$SELFAUTODIR : /usr/tex/bin +$SELFAUTOPARENT : /usr/tex +</typing> + +<p>How about just forgetting about them?</p> +--ldx]]-- + +local suffixes = resolvers.suffixes +local formats = resolvers.formats + +suffixes['gf'] = { '<resolution>gf' } +suffixes['pk'] = { '<resolution>pk' } +suffixes['base'] = { 'base' } +suffixes['bib'] = { 'bib' } +suffixes['bst'] = { 'bst' } +suffixes['cnf'] = { 'cnf' } +suffixes['mem'] = { 'mem' } +suffixes['mf'] = { 'mf' } +suffixes['mfpool'] = { 'pool' } +suffixes['mft'] = { 'mft' } +suffixes['mppool'] = { 'pool' } +suffixes['graphic/figure'] = { 'eps', 'epsi' } +suffixes['texpool'] = { 'pool' } +suffixes['PostScript header'] = { 'pro' } +suffixes['ist'] = { 'ist' } +suffixes['web'] = { 'web', 'ch' } +suffixes['cweb'] = { 'w', 'web', 'ch' } +suffixes['cmap files'] = { 'cmap' } +suffixes['lig files'] = { 'lig' } +suffixes['bitmap font'] = { } +suffixes['MetaPost support'] = { } +suffixes['TeX system documentation'] = { } +suffixes['TeX system sources'] = { } +suffixes['dvips config'] = { } +suffixes['type42 fonts'] = { } +suffixes['web2c files'] = { } +suffixes['other text files'] = { } +suffixes['other binary files'] = { } +suffixes['opentype fonts'] = { 'otf' } + +suffixes['fmt'] = { 'fmt' } +suffixes['texmfscripts'] = { 'rb','lua','py','pl' } + +suffixes['pdftex config'] = { } +suffixes['Troff fonts'] = { } + +suffixes['ls-R'] = { } + +--[[ldx-- +<p>If you wondered abou tsome of the previous mappings, how about +the next bunch:</p> +--ldx]]-- + +formats['bib'] = '' +formats['bst'] = '' +formats['mft'] = '' +formats['ist'] = '' +formats['web'] = '' +formats['cweb'] = '' +formats['MetaPost support'] = '' +formats['TeX system documentation'] = '' +formats['TeX system sources'] = '' +formats['Troff fonts'] = '' +formats['dvips config'] = '' +formats['graphic/figure'] = '' +formats['ls-R'] = '' +formats['other text files'] = '' +formats['other binary files'] = '' + +formats['gf'] = '' +formats['pk'] = '' +formats['base'] = 'MFBASES' +formats['cnf'] = '' +formats['mem'] = 'MPMEMS' +formats['mf'] = 'MFINPUTS' +formats['mfpool'] = 'MFPOOL' +formats['mppool'] = 'MPPOOL' +formats['texpool'] = 'TEXPOOL' +formats['PostScript header'] = 'TEXPSHEADERS' +formats['cmap files'] = 'CMAPFONTS' +formats['type42 fonts'] = 'T42FONTS' +formats['web2c files'] = 'WEB2C' +formats['pdftex config'] = 'PDFTEXCONFIG' +formats['texmfscripts'] = 'TEXMFSCRIPTS' +formats['bitmap font'] = '' +formats['lig files'] = 'LIGFONTS' + + +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 trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) + +function resolvers.update_script(oldname,newname) -- oldname -> own.name, not per se a suffix + local scriptpath = "scripts/context/lua" + newname = file.addsuffix(newname,"lua") + local oldscript = resolvers.clean_path(oldname) + if trace_locating then + logs.report("fileio","to be replaced old script %s", oldscript) + end + local newscripts = resolvers.find_files(newname) or { } + if #newscripts == 0 then + if trace_locating then + logs.report("fileio","unable to locate new script") + end + else + for i=1,#newscripts do + local newscript = resolvers.clean_path(newscripts[i]) + if trace_locating then + logs.report("fileio","checking new script %s", newscript) + end + if oldscript == newscript then + if trace_locating then + logs.report("fileio","old and new script are the same") + end + elseif not find(newscript,scriptpath) then + if trace_locating then + logs.report("fileio","new script should come from %s",scriptpath) + end + elseif not (find(oldscript,file.removesuffix(newname).."$") or find(oldscript,newname.."$")) then + if trace_locating then + logs.report("fileio","invalid new script name") + end + else + local newdata = io.loaddata(newscript) + if newdata then + if trace_locating then + logs.report("fileio","old script content replaced by new content") + end + io.savedata(oldscript,newdata) + break + elseif trace_locating then + logs.report("fileio","unable to load new script") + end + end + end + end +end + + +end -- of closure + +do -- create closure to overcome 200 locals limit + +if not modules then modules = { } end modules ['data-tmf'] = { + version = 1.001, + comment = "companion to luat-lib.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local find, gsub, match = string.find, string.gsub, string.match +local getenv, setenv = os.getenv, os.setenv + +-- loads *.tmf files in minimal tree roots (to be optimized and documented) + +function resolvers.check_environment(tree) + logs.simpleline() + setenv('TMP', getenv('TMP') or getenv('TEMP') or getenv('TMPDIR') or getenv('HOME')) + setenv('TEXOS', getenv('TEXOS') or ("texmf-" .. os.platform)) + setenv('TEXPATH', gsub(tree or "tex","\/+$",'')) + setenv('TEXMFOS', getenv('TEXPATH') .. "/" .. getenv('TEXOS')) + logs.simpleline() + logs.simple("preset : TEXPATH => %s", getenv('TEXPATH')) + logs.simple("preset : TEXOS => %s", getenv('TEXOS')) + logs.simple("preset : TEXMFOS => %s", getenv('TEXMFOS')) + logs.simple("preset : TMP => %s", getenv('TMP')) + logs.simple('') +end + +function resolvers.load_environment(name) -- todo: key=value as well as lua + local f = io.open(name) + if f then + for line in f:lines() do + if find(line,"^[%%%#]") then + -- skip comment + else + local key, how, value = match(line,"^(.-)%s*([<=>%?]+)%s*(.*)%s*$") + if how then + value = gsub(value,"%%(.-)%%", function(v) return getenv(v) or "" end) + if how == "=" or how == "<<" then + setenv(key,value) + elseif how == "?" or how == "??" then + setenv(key,getenv(key) or value) + elseif how == "<" or how == "+=" then + if getenv(key) then + setenv(key,getenv(key) .. io.fileseparator .. value) + else + setenv(key,value) + end + elseif how == ">" or how == "=+" then + if getenv(key) then + setenv(key,value .. io.pathseparator .. getenv(key)) + else + setenv(key,value) + end + end + end + end + end + f:close() + end +end + +function resolvers.load_tree(tree) + if tree and tree ~= "" then + local setuptex = 'setuptex.tmf' + if lfs.attributes(tree, "mode") == "directory" then -- check if not nil + setuptex = tree .. "/" .. setuptex + else + setuptex = tree + end + if io.exists(setuptex) then + resolvers.check_environment(tree) + resolvers.load_environment(setuptex) + end + 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 { } +states.data = states.data or { } +states.hash = states.hash or { } +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(states.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') + states.data[states.tag], states.hash[states.tag] = (io.exists(filename) and dofile(filename)) or { }, { } +end + +function states.set_by_tag(tag,key,value,default,persistent) + local d, h = states.data[tag], states.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 type(value) == nil then + value = value or default + 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 + states.data[tag], states.hash[tag] = value, value + end + end +end + +function states.get_by_tag(tag,key,default) + local h = states.hash[tag] + if h and h[key] then + return h[key] + else + local d = states.data[tag] + if d then + for k in gmatch(key,"[^%.]+") do + local dk = d[k] + if dk then + d = dk + else + return default + end + end + return d or default + end + end +end + +function states.set(key,value,default,persistent) + states.set_by_tag(states.tag,key,value,default,persistent) +end + +function states.get(key,default) + return states.get_by_tag(states.tag,key,default) +end + +--~ states.data.update = { +--~ ["version"] = { +--~ ["major"] = 0, +--~ ["minor"] = 1, +--~ }, +--~ ["rsync"] = { +--~ ["server"] = "contextgarden.net", +--~ ["module"] = "minimals", +--~ ["repository"] = "current", +--~ ["flags"] = "-rpztlv --stats", +--~ }, +--~ ["tasks"] = { +--~ ["update"] = true, +--~ ["make"] = true, +--~ ["delete"] = false, +--~ }, +--~ ["platform"] = { +--~ ["host"] = true, +--~ ["other"] = { +--~ ["mswin"] = false, +--~ ["linux"] = false, +--~ ["linux-64"] = false, +--~ ["osx-intel"] = false, +--~ ["osx-ppc"] = false, +--~ ["sun"] = false, +--~ }, +--~ }, +--~ ["context"] = { +--~ ["available"] = {"current", "beta", "alpha", "experimental"}, +--~ ["selected"] = "current", +--~ }, +--~ ["formats"] = { +--~ ["cont-en"] = true, +--~ ["cont-nl"] = true, +--~ ["cont-de"] = false, +--~ ["cont-cz"] = false, +--~ ["cont-fr"] = false, +--~ ["cont-ro"] = false, +--~ }, +--~ ["engine"] = { +--~ ["pdftex"] = { +--~ ["install"] = true, +--~ ["formats"] = { +--~ ["pdftex"] = true, +--~ }, +--~ }, +--~ ["luatex"] = { +--~ ["install"] = true, +--~ ["formats"] = { +--~ }, +--~ }, +--~ ["xetex"] = { +--~ ["install"] = true, +--~ ["formats"] = { +--~ ["xetex"] = false, +--~ }, +--~ }, +--~ ["metapost"] = { +--~ ["install"] = true, +--~ ["formats"] = { +--~ ["mpost"] = true, +--~ ["metafun"] = true, +--~ }, +--~ }, +--~ }, +--~ ["fonts"] = { +--~ }, +--~ ["doc"] = { +--~ }, +--~ ["modules"] = { +--~ ["f-urwgaramond"] = false, +--~ ["f-urwgothic"] = false, +--~ ["t-bnf"] = false, +--~ ["t-chromato"] = false, +--~ ["t-cmscbf"] = false, +--~ ["t-cmttbf"] = false, +--~ ["t-construction-plan"] = false, +--~ ["t-degrade"] = false, +--~ ["t-french"] = false, +--~ ["t-lettrine"] = false, +--~ ["t-lilypond"] = false, +--~ ["t-mathsets"] = false, +--~ ["t-tikz"] = false, +--~ ["t-typearea"] = false, +--~ ["t-vim"] = false, +--~ }, +--~ } + +--~ states.save("teststate", "update") +--~ states.load("teststate", "update") + +--~ print(states.get_by_tag("update","rsync.server","unknown")) +--~ states.set_by_tag("update","rsync.server","oeps") +--~ print(states.get_by_tag("update","rsync.server","unknown")) +--~ states.save("teststate", "update") +--~ states.load("teststate", "update") +--~ print(states.get_by_tag("update","rsync.server","unknown")) + + +end -- of closure +-- end library merge + +own = { } -- not local + +own.libs = { -- todo: check which ones are really needed + 'l-string.lua', + 'l-lpeg.lua', + 'l-table.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-math.lua', +-- 'l-unicode.lua', +-- 'l-tex.lua', + 'l-utils.lua', + 'l-aux.lua', +-- 'l-xml.lua', + 'trac-tra.lua', + 'lxml-tab.lua', + 'lxml-lpt.lua', +-- 'lxml-ent.lua', + 'lxml-mis.lua', + 'lxml-aux.lua', + 'lxml-xml.lua', + 'luat-env.lua', + 'trac-inf.lua', + 'trac-log.lua', + 'data-res.lua', + 'data-tmp.lua', + 'data-pre.lua', + 'data-inp.lua', + 'data-out.lua', + 'data-con.lua', + 'data-use.lua', +-- 'data-tex.lua', +-- 'data-bin.lua', + 'data-zip.lua', + 'data-crl.lua', + 'data-lua.lua', + 'data-kps.lua', -- so that we can replace kpsewhich + 'data-aux.lua', -- updater + 'data-tmf.lua', -- tree files + -- needed ? + 'luat-sta.lua', -- states +} + +-- 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. + +own.name = (environment and environment.ownname) or arg[0] or 'luatools.lua' + + +own.path = string.match(own.name,"^(.+)[\\/].-$") or "." +own.list = { '.' } +if own.path ~= '.' then + table.insert(own.list,own.path) +end +table.insert(own.list,own.path.."/../../../tex/context/base") +table.insert(own.list,own.path.."/mtx") +table.insert(own.list,own.path.."/../sources") + +local function locate_libs() + for _, lib in pairs(own.libs) do + for _, pth in pairs(own.list) do + local filename = string.gsub(pth .. "/" .. lib,"\\","/") + local codeblob = loadfile(filename) + if codeblob then + codeblob() + own.list = { pth } -- speed up te search + break + end + end + end +end + +if not resolvers then + locate_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 + +logs.setprogram('MTXrun',"TDS Runner Tool 1.24",environment.arguments["verbose"] or false) + +local instance = resolvers.reset() + +local trackspec = environment.argument("trackers") or environment.argument("track") + +if trackspec then + trackers.enable(trackspec) +end + +runners = runners or { } -- global +messages = messages or { } + +messages.help = [[ +--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 + +--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) + +--make create stubs for (context related) scripts +--remove 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 +--engine=str target engine +--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 +]] + +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 checkname and checkname ~= "" then + local oldchecksum = file.loadchecksum(checkname) + local newchecksum = file.checksum(checkname) + if oldchecksum == newchecksum then + logs.simple("file '%s' is unchanged",checkname) + return "skip" + else + logs.simple("file '%s' is changed, processing started",checkname) + end + file.savechecksum(checkname) + end + local oldname, newname = string.split(environment.argument("iftouched") or "", ",") + if oldname and newname and oldname ~= "" and newname ~= "" then + if not file.needs_updating(oldname,newname) then + logs.simple("file '%s' and '%s' have same age",oldname,newname) + return "skip" + else + logs.simple("file '%s' is older than '%s'",oldname,newname) + end + end + local tree = environment.argument('tree') or "" + if environment.argument('autotree') then + tree = os.getenv('TEXMFSTART_TREE') or os.getenv('TEXMFSTARTTREE') or tree + end + if tree and tree ~= "" then + resolvers.load_tree(tree) + end + local env = environment.argument('environment') or "" + if env and env ~= "" then + for _,e in pairs(string.split(env)) do + -- maybe force suffix when not given + resolvers.load_tree(e) + end + end + local runpath = environment.argument("path") + if runpath and not lfs.chdir(runpath) then + logs.simple("unable to change to path '%s'",runpath) + return "error" + 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 + instance.progname = environment.argument("progname") or instance.progname + instance.format = environment.argument("format") or instance.format + local path, name, suffix, result = file.dirname(fullname), file.basename(fullname), file.extname(fullname), "" + if path ~= "" then + result = fullname + elseif name then + name = name:gsub("^int[%a]*:",function() + internal = true + return "" + end ) + name = name:gsub("^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.find_file(name .. "." .. s, 'texmfscripts') + if result ~= "" then + break + end + end + elseif runners.applications[suffix] then + result = resolvers.find_file(name, 'texmfscripts') + else + -- maybe look on path + result = resolvers.find_file(name, 'other text files') + end + end + if result and result ~= "" then + if not no_split then + local before, after = environment.split_arguments(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)] + if binary and binary ~= "" then + result = binary .. " " .. result + end + local command = result .. " " .. environment.reconstruct_commandline(environment.arguments_after,noquote) + if logs.verbose then + logs.simpleline() + logs.simple("executing: %s",command) + logs.simpleline() + logs.simpleline() + 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 string.gmatch(os.getenv("PATH"),"[^"..io.pathseparator.."]+") do + if lfs.isfile(file.join(p,binary)) then + return false + end + end + logs.simpleline() + logs.simple("This script needs '%s' which seems not to be installed.",binary) + logs.simpleline() + 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.split_arguments(fullname) + environment.initialize_arguments(after) + fullname = fullname:gsub("^bin:","") + local command = fullname .. " " .. (environment.reconstruct_commandline(after or "",noquote) or "") + logs.simpleline() + logs.simple("executing: %s",command) + logs.simpleline() + logs.simpleline() + 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 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 = string.gsub(file.basename(name), "%.(.-)$", "") + if create then + if windows then + io.savedata(file.join(stubpath,base..".bat"),string.format(windows_stub,name)) + logs.simple("windows stub for '%s' created",base) + end + if unix then + io.savedata(file.join(stubpath,base),string.format(unix_stub,name)) + logs.simple("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 + logs.simple("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 + logs.simple("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 + +function runners.locate_file(filename) + -- differs from texmfstart where locate appends .com .exe .bat ... todo + if filename and filename ~= "" then + runners.report_location(resolvers.find_given_file(filename)) + end +end + +function runners.locate_platform() + runners.report_location(os.platform) +end + +function runners.report_location(result) + if logs.verbose then + logs.simpleline() + if result and result ~= "" then + logs.simple(result) + else + logs.simple("not found") + end + else + io.write(result) + end +end + +function runners.edit_script(filename) -- we assume that vim is present on most systems + local editor = os.getenv("MTXRUN_EDITOR") or os.getenv("TEXMFSTART_EDITOR") or os.getenv("EDITOR") or 'vim' + local rest = resolvers.resolve(filename) + if rest ~= "" then + local command = editor .. " " .. rest + if logs.verbose then + logs.simpleline() + logs.simple("starting editor: %s",command) + logs.simple_line() + logs.simple_line() + 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) + instance.allresults = true + logs.setverbose(true) + local pattern = environment.arguments["pattern"] + if not pattern or pattern == "" then + pattern = filename + end + if not pattern or pattern == "" then + logs.simple("provide name or --pattern=") + else + local t = resolvers.find_files(pattern) + if not t or #t == 0 then + t = resolvers.find_files("*/" .. pattern) + end + if not t or #t == 0 then + t = resolvers.find_files("*/" .. pattern .. "*") + end + if t and #t > 0 then + if environment.arguments["all"] then + for _, v in pairs(t) do + logs.simple("launching %s", v) + resolvers.launch(v) + end + else + logs.simple("launching %s", t[1]) + resolvers.launch(t[1]) + end + else + logs.simple("no match for %s", pattern) + end + end +end + +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 + local mtxprefix = (filename:find("^mtx%-") and "") or "mtx-" + -- context namespace, mtx-<filename> + fullname = mtxprefix .. filename + fullname = found(fullname) or resolvers.find_file(fullname) + if fullname and fullname ~= "" then + return fullname + end + -- context namespace, mtx-<filename>s + fullname = mtxprefix .. basename .. "s" .. "." .. suffix + fullname = found(fullname) or resolvers.find_file(fullname) + if fullname and fullname ~= "" then + return fullname + end + -- context namespace, mtx-<filename minus trailing s> + fullname = mtxprefix .. basename:gsub("s$","") .. "." .. suffix + fullname = found(fullname) or resolvers.find_file(fullname) + if fullname and fullname ~= "" then + return fullname + end + -- context namespace, just <filename> + fullname = resolvers.find_file(filename) + return fullname +end + +function runners.execute_ctx_script(filename) + 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 + logs.simple("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 + logs.setverbose(true) + 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.initialize_arguments(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 logs.verbose then + logs.simple("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 + -- logs.setverbose(true) + if filename == "" or filename == "help" then + local context = resolvers.find_file("mtx-context.lua") + logs.setverbose(true) + if context ~= "" then + local result = dir.glob((string.gsub(context,"mtx%-context","mtx-*"))) -- () needed + local valid = { } + table.sort(result) + for i=1,#result do + local scriptname = result[i] + local scriptbase = string.match(scriptname,".*mtx%-([^%-]-)%.lua") + if scriptbase then + local data = io.loaddata(scriptname) + local banner, version = string.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 + logs.reportbanner() + logs.reportline() + logs.simple("no script name given, known scripts:") + logs.simple() + for k=1,#valid do + local v = valid[k] + logs.simple("%-12s %4s %s",v[1],v[2],v[3]) + end + end + else + logs.simple("no script name given") + end + else + filename = file.addsuffix(filename,"lua") + if file.is_qualified_path(filename) then + logs.simple("unknown script '%s'",filename) + else + logs.simple("unknown script '%s' or 'mtx-%s'",filename,filename) + end + end + return false + end +end + +function runners.prefixes() + logs.reportbanner() + logs.reportline() + logs.simple(table.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.split_arguments(filename) +environment.arguments_before, environment.arguments_after = before, after +environment.initialize_arguments(before) + +instance.engine = environment.argument("engine") or 'luatex' +instance.progname = environment.argument("progname") or 'context' +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))] + +if environment.argument("usekpse") or environment.argument("forcekpse") or is_mkii_stub then + + 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 function kpse_initialized() + texconfig.kpse_init = true + local t = os.clock() + local k = kpse.original.new("luatex",instance.progname) + local dummy = k:find_file("mtxrun.lua") -- so that we're initialized + logs.simple("kpse fallback with progname '%s' initialized in %s seconds",instance.progname,os.clock()-t) + kpse_initialized = function() return k end + return k + end + + local find_file = resolvers.find_file + local show_path = resolvers.show_path + + if environment.argument("forcekpse") then + + function resolvers.find_file(name,kind) + return (kpse_initialized():find_file(resolvers.clean_path(name),(kind ~= "" and (remapper[kind] or kind)) or "tex") or "") or "" + end + function resolvers.show_path(name) + return (kpse_initialized():show_path(name)) or "" + end + + elseif environment.argument("usekpse") or is_mkii_stub then + + resolvers.load() + + function resolvers.find_file(name,kind) + local found = find_file(name,kind) or "" + if found ~= "" then + return found + else + return (kpse_initialized():find_file(resolvers.clean_path(name),(kind ~= "" and (remapper[kind] or kind)) or "tex") or "") or "" + end + end + function resolvers.show_path(name) + local found = show_path(name) or "" + if found ~= "" then + return found + else + return (kpse_initialized():show_path(name)) or "" + end + end + + end + +else + + resolvers.load() + +end + +if environment.argument("selfmerge") then + -- embed used libraries + utils.merger.selfmerge(own.name,own.libs,own.list) +elseif environment.argument("selfclean") then + -- remove embedded libraries + utils.merger.selfclean(own.name) +elseif environment.argument("selfupdate") then + logs.setverbose(true) + resolvers.update_script(own.name,"mtxrun") +elseif environment.argument("ctxlua") or environment.argument("internal") then + -- run a script by loading it (using libs) + ok = runners.execute_script(filename,true) +elseif environment.argument("script") or environment.argument("scripts") then + -- run a script by loading it (using libs), pass args + if is_mkii_stub then + -- execute mkii script + ok = runners.execute_script(filename,false,true) + else + ok = runners.execute_ctx_script(filename) + end +elseif environment.argument("execute") then + -- execute script + ok = runners.execute_script(filename) +elseif environment.argument("direct") then + -- equals bin: + ok = runners.execute_program(filename) +elseif environment.argument("edit") then + -- edit file + runners.edit_script(filename) +elseif environment.argument("launch") then + runners.launch_file(filename) +elseif environment.argument("make") then + -- make stubs + runners.handle_stubs(true) +elseif environment.argument("remove") then + -- remove stub + runners.handle_stubs(false) +elseif environment.argument("resolve") then + -- resolve string + runners.resolve_string(filename) +elseif environment.argument("locate") then + -- locate file + runners.locate_file(filename) +elseif environment.argument("platform")then + -- locate platform + runners.locate_platform() +elseif environment.argument("prefixes") then + runners.prefixes() +elseif environment.argument("timedrun") then + -- locate platform + runners.timedrun(filename) +elseif environment.argument("help") or filename=='help' or filename == "" then + logs.help(messages.help) + -- execute script +elseif filename:find("^bin:") then + ok = runners.execute_program(filename) +elseif is_mkii_stub then + -- execute mkii script + ok = runners.execute_script(filename,false,true) +else + ok = runners.execute_ctx_script(filename) + if not ok then + ok = runners.execute_script(filename) + end +end + +if os.platform == "unix" then + io.write("\n") +end + +if ok == false then ok = 1 elseif ok == true then ok = 0 end + +os.exit(ok) |