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authorKarl Berry <karl@freefriends.org>2017-02-05 23:22:36 +0000
committerKarl Berry <karl@freefriends.org>2017-02-05 23:22:36 +0000
commit7ef0c5b362e4df3e85449f3c397ca3b61edf15a0 (patch)
treeca33364f8dca69a80a40985834e5726448ba6746
parent17efbb93c3c280ebec43438b10c53601758ef11e (diff)
lualibs (4feb17)
git-svn-id: svn://tug.org/texlive/trunk@43153 c570f23f-e606-0410-a88d-b1316a301751
Diffstat
-rw-r--r--Master/texmf-dist/doc/luatex/lualibs/NEWS3
-rw-r--r--Master/texmf-dist/doc/luatex/lualibs/lualibs.pdfbin76924 -> 86947 bytes
-rw-r--r--Master/texmf-dist/source/luatex/lualibs/Makefile11
-rw-r--r--Master/texmf-dist/source/luatex/lualibs/lualibs.dtx22
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-basic-merged.lua5072
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-basic.lua6
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua36
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-extended-merged.lua3233
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-extended.lua6
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-file.lua13
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua95
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua1
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-number.lua23
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua13
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua77
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-trac-inf.lua16
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-fil.lua126
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-jsn.lua21
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-lua.lua18
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-prs.lua49
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua99
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tab.lua35
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs.lua6
23 files changed, 517 insertions, 8464 deletions
diff --git a/Master/texmf-dist/doc/luatex/lualibs/NEWS b/Master/texmf-dist/doc/luatex/lualibs/NEWS
index 0a5f935c2c5..a5164af8220 100644
--- a/Master/texmf-dist/doc/luatex/lualibs/NEWS
+++ b/Master/texmf-dist/doc/luatex/lualibs/NEWS
@@ -1,4 +1,7 @@
History of the lualibs package
+2017/02/01 v2.5/
+ * sync with Context beta as of 2017-02-01
+
2016/04/06 v2.4/
* sync with Context beta as of 2016-04-06
* basic maintenance
diff --git a/Master/texmf-dist/doc/luatex/lualibs/lualibs.pdf b/Master/texmf-dist/doc/luatex/lualibs/lualibs.pdf
index 1b097641b6b..b78891151de 100644
--- a/Master/texmf-dist/doc/luatex/lualibs/lualibs.pdf
+++ b/Master/texmf-dist/doc/luatex/lualibs/lualibs.pdf
Binary files differ
diff --git a/Master/texmf-dist/source/luatex/lualibs/Makefile b/Master/texmf-dist/source/luatex/lualibs/Makefile
index 5e0fd6135ad..5e0fd2a9b44 100644
--- a/Master/texmf-dist/source/luatex/lualibs/Makefile
+++ b/Master/texmf-dist/source/luatex/lualibs/Makefile
@@ -125,3 +125,14 @@ mrproper: clean
@$(RM) -r $(DISTDIR)
merge: $(MERGED)
+
+ifndef DESTDIR
+install:
+ $(error "in order to install you need to provide $$DESTDIR")
+else
+install: $(TDS_ZIP)
+ $(info installing to destination “$(DESTDIR)”)
+ install -dm755 "$(DESTDIR)"
+ unzip "$(TDS_ZIP)" -d "$(DESTDIR)"
+endif
+
diff --git a/Master/texmf-dist/source/luatex/lualibs/lualibs.dtx b/Master/texmf-dist/source/luatex/lualibs/lualibs.dtx
index 291049d265d..fe9525e3ba8 100644
--- a/Master/texmf-dist/source/luatex/lualibs/lualibs.dtx
+++ b/Master/texmf-dist/source/luatex/lualibs/lualibs.dtx
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2009--2016 by
+% Copyright (C) 2009--2017 by
%
% PRAGMA ADE / ConTeXt Development Team
% The LuaLaTeX Dev Team
@@ -37,7 +37,7 @@
\input docstrip.tex
\Msg{************************************************************************}
\Msg{* Installation}
-\Msg{* Package: lualibs 2016-04-06 v2.4 Lua additional functions.}
+\Msg{* Package: lualibs 2017-02-01 v2.5 Lua additional functions.}
\Msg{************************************************************************}
\keepsilent
@@ -48,7 +48,7 @@
\preamble
This is a generated file.
-Copyright (C) 2009--2016 by
+Copyright (C) 2009--2017 by
PRAGMA ADE / ConTeXt Development Team
The LuaLaTeX Dev Team
@@ -107,7 +107,7 @@ and lualibs-extended.lua.
%<*driver>
\NeedsTeXFormat{LaTeX2e}
\ProvidesFile{lualibs.drv}
- [2016/04/06 v2.4 Lua Libraries.]
+ [2017/02/01 v2.5 Lua Libraries.]
\documentclass{ltxdoc}
\usepackage{fancyvrb,xspace}
\usepackage[x11names]{xcolor}
@@ -208,7 +208,7 @@ and lualibs-extended.lua.
% \GetFileInfo{lualibs.drv}
%
% \title{The \identifier{lualibs} package}
-% \date{2016/04/06 v2.4}
+% \date{2017/02/01 v2.5}
% \author{Élie Roux · \email{elie.roux@telecom-bretagne.eu}\\
% Philipp Gesang · \email{phg@phi-gamma.net}}
%
@@ -427,8 +427,8 @@ lualibs = lualibs or { }
lualibs.module_info = {
name = "lualibs",
- version = 2.4,
- date = "2016-04-06",
+ version = 2.5,
+ date = "2017-02-01",
description = "ConTeXt Lua standard libraries.",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux & Philipp Gesang",
copyright = "PRAGMA ADE / ConTeXt Development Team",
@@ -582,8 +582,8 @@ local loadmodule = lualibs.loadmodule
local lualibs_basic_module = {
name = "lualibs-basic",
- version = 2.4,
- date = "2016-04-06",
+ version = 2.5,
+ date = "2017-02-01",
description = "ConTeXt Lua libraries -- basic collection.",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux & Philipp Gesang",
copyright = "PRAGMA ADE / ConTeXt Development Team",
@@ -664,8 +664,8 @@ lualibs = lualibs or { }
local lualibs_extended_module = {
name = "lualibs-extended",
- version = 2.4,
- date = "2016-04-06",
+ version = 2.5,
+ date = "2017-02-01",
description = "ConTeXt Lua libraries -- extended collection.",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux & Philipp Gesang",
copyright = "PRAGMA ADE / ConTeXt Development Team",
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic-merged.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic-merged.lua
deleted file mode 100644
index ec56b75dc70..00000000000
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic-merged.lua
+++ /dev/null
@@ -1,5072 +0,0 @@
--- merged file : lualibs-basic-merged.lua
--- parent file : lualibs-basic.lua
--- merge date : Wed Apr 6 23:53:30 2016
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['l-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"
-}
-_MAJORVERSION,_MINORVERSION=string.match(_VERSION,"^[^%d]+(%d+)%.(%d+).*$")
-_MAJORVERSION=tonumber(_MAJORVERSION) or 5
-_MINORVERSION=tonumber(_MINORVERSION) or 1
-_LUAVERSION=_MAJORVERSION+_MINORVERSION/10
-if _LUAVERSION<5.2 and jit then
- _MINORVERSION=2
- _LUAVERSION=5.2
-end
-if not lpeg then
- lpeg=require("lpeg")
-end
-if loadstring then
- local loadnormal=load
- function load(first,...)
- if type(first)=="string" then
- return loadstring(first,...)
- else
- return loadnormal(first,...)
- end
- end
-else
- loadstring=load
-end
-if not ipairs then
- local function iterate(a,i)
- i=i+1
- local v=a[i]
- if v~=nil then
- return i,v
- end
- end
- function ipairs(a)
- return iterate,a,0
- end
-end
-if not pairs then
- function pairs(t)
- return next,t
- end
-end
-if not table.unpack then
- table.unpack=_G.unpack
-elseif not unpack then
- _G.unpack=table.unpack
-end
-if not package.loaders then
- package.loaders=package.searchers
-end
-local print,select,tostring=print,select,tostring
-local inspectors={}
-function setinspector(kind,inspector)
- inspectors[kind]=inspector
-end
-function inspect(...)
- for s=1,select("#",...) do
- local value=select(s,...)
- if value==nil then
- print("nil")
- else
- local done=false
- local kind=type(value)
- local inspector=inspectors[kind]
- if inspector then
- done=inspector(value)
- if done then
- break
- end
- end
- for kind,inspector in next,inspectors do
- done=inspector(value)
- if done then
- break
- end
- end
- if not done then
- print(tostring(value))
- end
- end
- end
-end
-local dummy=function() end
-function optionalrequire(...)
- local ok,result=xpcall(require,dummy,...)
- if ok then
- return result
- end
-end
-if lua then
- lua.mask=load([[τεχ = 1]]) and "utf" or "ascii"
-end
-local flush=io.flush
-if flush then
- local execute=os.execute if execute then function os.execute(...) flush() return execute(...) end end
- local exec=os.exec if exec then function os.exec (...) flush() return exec (...) end end
- local spawn=os.spawn if spawn then function os.spawn (...) flush() return spawn (...) end end
- local popen=io.popen if popen then function io.popen (...) flush() return popen (...) end end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['l-package']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local type=type
-local gsub,format,find=string.gsub,string.format,string.find
-local P,S,Cs,lpegmatch=lpeg.P,lpeg.S,lpeg.Cs,lpeg.match
-local package=package
-local searchers=package.searchers or package.loaders
-local filejoin=file and file.join or function(path,name) return path.."/"..name end
-local isreadable=file and file.is_readable or function(name) local f=io.open(name) if f then f:close() return true end end
-local addsuffix=file and file.addsuffix or function(name,suffix) return name.."."..suffix end
-local function cleanpath(path)
- return path
-end
-local pattern=Cs((((1-S("\\/"))^0*(S("\\/")^1/"/"))^0*(P(".")^1/"/"+P(1))^1)*-1)
-local function lualibfile(name)
- return lpegmatch(pattern,name) or name
-end
-local offset=luarocks and 1 or 0
-local helpers=package.helpers or {
- cleanpath=cleanpath,
- lualibfile=lualibfile,
- trace=false,
- report=function(...) print(format(...)) end,
- builtin={
- ["preload table"]=searchers[1+offset],
- ["path specification"]=searchers[2+offset],
- ["cpath specification"]=searchers[3+offset],
- ["all in one fallback"]=searchers[4+offset],
- },
- methods={},
- sequence={
- "already loaded",
- "preload table",
- "qualified path",
- "lua extra list",
- "lib extra list",
- "path specification",
- "cpath specification",
- "all in one fallback",
- "not loaded",
- }
-}
-package.helpers=helpers
-local methods=helpers.methods
-local builtin=helpers.builtin
-local extraluapaths={}
-local extralibpaths={}
-local luapaths=nil
-local libpaths=nil
-local oldluapath=nil
-local oldlibpath=nil
-local nofextralua=-1
-local nofextralib=-1
-local nofpathlua=-1
-local nofpathlib=-1
-local function listpaths(what,paths)
- local nofpaths=#paths
- if nofpaths>0 then
- for i=1,nofpaths do
- helpers.report("using %s path %i: %s",what,i,paths[i])
- end
- else
- helpers.report("no %s paths defined",what)
- end
- return nofpaths
-end
-local function getextraluapaths()
- if helpers.trace and #extraluapaths~=nofextralua then
- nofextralua=listpaths("extra lua",extraluapaths)
- end
- return extraluapaths
-end
-local function getextralibpaths()
- if helpers.trace and #extralibpaths~=nofextralib then
- nofextralib=listpaths("extra lib",extralibpaths)
- end
- return extralibpaths
-end
-local function getluapaths()
- local luapath=package.path or ""
- if oldluapath~=luapath then
- luapaths=file.splitpath(luapath,";")
- oldluapath=luapath
- nofpathlua=-1
- end
- if helpers.trace and #luapaths~=nofpathlua then
- nofpathlua=listpaths("builtin lua",luapaths)
- end
- return luapaths
-end
-local function getlibpaths()
- local libpath=package.cpath or ""
- if oldlibpath~=libpath then
- libpaths=file.splitpath(libpath,";")
- oldlibpath=libpath
- nofpathlib=-1
- end
- if helpers.trace and #libpaths~=nofpathlib then
- nofpathlib=listpaths("builtin lib",libpaths)
- end
- return libpaths
-end
-package.luapaths=getluapaths
-package.libpaths=getlibpaths
-package.extraluapaths=getextraluapaths
-package.extralibpaths=getextralibpaths
-local hashes={
- lua={},
- lib={},
-}
-local function registerpath(tag,what,target,...)
- local pathlist={... }
- local cleanpath=helpers.cleanpath
- local trace=helpers.trace
- local report=helpers.report
- local hash=hashes[what]
- local function add(path)
- local path=cleanpath(path)
- if not hash[path] then
- target[#target+1]=path
- hash[path]=true
- if trace then
- report("registered %s path %s: %s",tag,#target,path)
- end
- else
- if trace then
- report("duplicate %s path: %s",tag,path)
- end
- end
- end
- for p=1,#pathlist do
- local path=pathlist[p]
- if type(path)=="table" then
- for i=1,#path do
- add(path[i])
- end
- else
- add(path)
- end
- end
- return paths
-end
-helpers.registerpath=registerpath
-function package.extraluapath(...)
- registerpath("extra lua","lua",extraluapaths,...)
-end
-function package.extralibpath(...)
- registerpath("extra lib","lib",extralibpaths,...)
-end
-local function loadedaslib(resolved,rawname)
- local base=gsub(rawname,"%.","_")
- local init="luaopen_"..gsub(base,"%.","_")
- if helpers.trace then
- helpers.report("calling loadlib with '%s' with init '%s'",resolved,init)
- end
- return package.loadlib(resolved,init)
-end
-helpers.loadedaslib=loadedaslib
-local function loadedbypath(name,rawname,paths,islib,what)
- local trace=helpers.trace
- for p=1,#paths do
- local path=paths[p]
- local resolved=filejoin(path,name)
- if trace then
- helpers.report("%s path, identifying '%s' on '%s'",what,name,path)
- end
- if isreadable(resolved) then
- if trace then
- helpers.report("%s path, '%s' found on '%s'",what,name,resolved)
- end
- if islib then
- return loadedaslib(resolved,rawname)
- else
- return loadfile(resolved)
- end
- end
- end
-end
-helpers.loadedbypath=loadedbypath
-local function loadedbyname(name,rawname)
- if find(name,"^/") or find(name,"^[a-zA-Z]:/") then
- local trace=helpers.trace
- if trace then
- helpers.report("qualified name, identifying '%s'",what,name)
- end
- if isreadable(name) then
- if trace then
- helpers.report("qualified name, '%s' found",what,name)
- end
- return loadfile(name)
- end
- end
-end
-helpers.loadedbyname=loadedbyname
-methods["already loaded"]=function(name)
- return package.loaded[name]
-end
-methods["preload table"]=function(name)
- return builtin["preload table"](name)
-end
-methods["qualified path"]=function(name)
- return loadedbyname(addsuffix(lualibfile(name),"lua"),name)
-end
-methods["lua extra list"]=function(name)
- return loadedbypath(addsuffix(lualibfile(name),"lua"),name,getextraluapaths(),false,"lua")
-end
-methods["lib extra list"]=function(name)
- return loadedbypath(addsuffix(lualibfile(name),os.libsuffix),name,getextralibpaths(),true,"lib")
-end
-methods["path specification"]=function(name)
- getluapaths()
- return builtin["path specification"](name)
-end
-methods["cpath specification"]=function(name)
- getlibpaths()
- return builtin["cpath specification"](name)
-end
-methods["all in one fallback"]=function(name)
- return builtin["all in one fallback"](name)
-end
-methods["not loaded"]=function(name)
- if helpers.trace then
- helpers.report("unable to locate '%s'",name or "?")
- end
- return nil
-end
-local level=0
-local used={}
-helpers.traceused=false
-function helpers.loaded(name)
- local sequence=helpers.sequence
- level=level+1
- for i=1,#sequence do
- local method=sequence[i]
- if helpers.trace then
- helpers.report("%s, level '%s', method '%s', name '%s'","locating",level,method,name)
- end
- local result,rest=methods[method](name)
- if type(result)=="function" then
- if helpers.trace then
- helpers.report("%s, level '%s', method '%s', name '%s'","found",level,method,name)
- end
- if helpers.traceused then
- used[#used+1]={ level=level,name=name }
- end
- level=level-1
- return result,rest
- end
- end
- level=level-1
- return nil
-end
-function helpers.showused()
- local n=#used
- if n>0 then
- helpers.report("%s libraries loaded:",n)
- helpers.report()
- for i=1,n do
- local u=used[i]
- helpers.report("%i %a",u.level,u.name)
- end
- helpers.report()
- end
-end
-function helpers.unload(name)
- if helpers.trace then
- if package.loaded[name] then
- helpers.report("unloading, name '%s', %s",name,"done")
- else
- helpers.report("unloading, name '%s', %s",name,"not loaded")
- end
- end
- package.loaded[name]=nil
-end
-table.insert(searchers,1,helpers.loaded)
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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"
-}
-lpeg=require("lpeg")
-if not lpeg.print then function lpeg.print(...) print(lpeg.pcode(...)) end end
-local type,next,tostring=type,next,tostring
-local byte,char,gmatch,format=string.byte,string.char,string.gmatch,string.format
-local floor=math.floor
-local P,R,S,V,Ct,C,Cs,Cc,Cp,Cmt=lpeg.P,lpeg.R,lpeg.S,lpeg.V,lpeg.Ct,lpeg.C,lpeg.Cs,lpeg.Cc,lpeg.Cp,lpeg.Cmt
-local lpegtype,lpegmatch,lpegprint=lpeg.type,lpeg.match,lpeg.print
-if setinspector then
- setinspector("lpeg",function(v) if lpegtype(v) then lpegprint(v) return true end end)
-end
-lpeg.patterns=lpeg.patterns or {}
-local patterns=lpeg.patterns
-local anything=P(1)
-local endofstring=P(-1)
-local alwaysmatched=P(true)
-patterns.anything=anything
-patterns.endofstring=endofstring
-patterns.beginofstring=alwaysmatched
-patterns.alwaysmatched=alwaysmatched
-local sign=S('+-')
-local zero=P('0')
-local digit=R('09')
-local octdigit=R("07")
-local lowercase=R("az")
-local uppercase=R("AZ")
-local underscore=P("_")
-local hexdigit=digit+lowercase+uppercase
-local cr,lf,crlf=P("\r"),P("\n"),P("\r\n")
-local newline=P("\r")*(P("\n")+P(true))+P("\n")
-local escaped=P("\\")*anything
-local squote=P("'")
-local dquote=P('"')
-local space=P(" ")
-local period=P(".")
-local comma=P(",")
-local utfbom_32_be=P('\000\000\254\255')
-local utfbom_32_le=P('\255\254\000\000')
-local utfbom_16_be=P('\254\255')
-local utfbom_16_le=P('\255\254')
-local utfbom_8=P('\239\187\191')
-local utfbom=utfbom_32_be+utfbom_32_le+utfbom_16_be+utfbom_16_le+utfbom_8
-local utftype=utfbom_32_be*Cc("utf-32-be")+utfbom_32_le*Cc("utf-32-le")+utfbom_16_be*Cc("utf-16-be")+utfbom_16_le*Cc("utf-16-le")+utfbom_8*Cc("utf-8")+alwaysmatched*Cc("utf-8")
-local utfstricttype=utfbom_32_be*Cc("utf-32-be")+utfbom_32_le*Cc("utf-32-le")+utfbom_16_be*Cc("utf-16-be")+utfbom_16_le*Cc("utf-16-le")+utfbom_8*Cc("utf-8")
-local utfoffset=utfbom_32_be*Cc(4)+utfbom_32_le*Cc(4)+utfbom_16_be*Cc(2)+utfbom_16_le*Cc(2)+utfbom_8*Cc(3)+Cc(0)
-local utf8next=R("\128\191")
-patterns.utfbom_32_be=utfbom_32_be
-patterns.utfbom_32_le=utfbom_32_le
-patterns.utfbom_16_be=utfbom_16_be
-patterns.utfbom_16_le=utfbom_16_le
-patterns.utfbom_8=utfbom_8
-patterns.utf_16_be_nl=P("\000\r\000\n")+P("\000\r")+P("\000\n")
-patterns.utf_16_le_nl=P("\r\000\n\000")+P("\r\000")+P("\n\000")
-patterns.utf_32_be_nl=P("\000\000\000\r\000\000\000\n")+P("\000\000\000\r")+P("\000\000\000\n")
-patterns.utf_32_le_nl=P("\r\000\000\000\n\000\000\000")+P("\r\000\000\000")+P("\n\000\000\000")
-patterns.utf8one=R("\000\127")
-patterns.utf8two=R("\194\223")*utf8next
-patterns.utf8three=R("\224\239")*utf8next*utf8next
-patterns.utf8four=R("\240\244")*utf8next*utf8next*utf8next
-patterns.utfbom=utfbom
-patterns.utftype=utftype
-patterns.utfstricttype=utfstricttype
-patterns.utfoffset=utfoffset
-local utf8char=patterns.utf8one+patterns.utf8two+patterns.utf8three+patterns.utf8four
-local validutf8char=utf8char^0*endofstring*Cc(true)+Cc(false)
-local utf8character=P(1)*R("\128\191")^0
-patterns.utf8=utf8char
-patterns.utf8char=utf8char
-patterns.utf8character=utf8character
-patterns.validutf8=validutf8char
-patterns.validutf8char=validutf8char
-local eol=S("\n\r")
-local spacer=S(" \t\f\v")
-local whitespace=eol+spacer
-local nonspacer=1-spacer
-local nonwhitespace=1-whitespace
-patterns.eol=eol
-patterns.spacer=spacer
-patterns.whitespace=whitespace
-patterns.nonspacer=nonspacer
-patterns.nonwhitespace=nonwhitespace
-local stripper=spacer^0*C((spacer^0*nonspacer^1)^0)
-local fullstripper=whitespace^0*C((whitespace^0*nonwhitespace^1)^0)
-local collapser=Cs(spacer^0/""*nonspacer^0*((spacer^0/" "*nonspacer^1)^0))
-local b_collapser=Cs(whitespace^0/""*(nonwhitespace^1+whitespace^1/" ")^0)
-local e_collapser=Cs((whitespace^1*P(-1)/""+nonwhitespace^1+whitespace^1/" ")^0)
-local m_collapser=Cs((nonwhitespace^1+whitespace^1/" ")^0)
-local b_stripper=Cs(spacer^0/""*(nonspacer^1+spacer^1/" ")^0)
-local e_stripper=Cs((spacer^1*P(-1)/""+nonspacer^1+spacer^1/" ")^0)
-local m_stripper=Cs((nonspacer^1+spacer^1/" ")^0)
-patterns.stripper=stripper
-patterns.fullstripper=fullstripper
-patterns.collapser=collapser
-patterns.b_collapser=b_collapser
-patterns.m_collapser=m_collapser
-patterns.e_collapser=e_collapser
-patterns.b_stripper=b_stripper
-patterns.m_stripper=m_stripper
-patterns.e_stripper=e_stripper
-patterns.lowercase=lowercase
-patterns.uppercase=uppercase
-patterns.letter=patterns.lowercase+patterns.uppercase
-patterns.space=space
-patterns.tab=P("\t")
-patterns.spaceortab=patterns.space+patterns.tab
-patterns.newline=newline
-patterns.emptyline=newline^1
-patterns.equal=P("=")
-patterns.comma=comma
-patterns.commaspacer=comma*spacer^0
-patterns.period=period
-patterns.colon=P(":")
-patterns.semicolon=P(";")
-patterns.underscore=underscore
-patterns.escaped=escaped
-patterns.squote=squote
-patterns.dquote=dquote
-patterns.nosquote=(escaped+(1-squote))^0
-patterns.nodquote=(escaped+(1-dquote))^0
-patterns.unsingle=(squote/"")*patterns.nosquote*(squote/"")
-patterns.undouble=(dquote/"")*patterns.nodquote*(dquote/"")
-patterns.unquoted=patterns.undouble+patterns.unsingle
-patterns.unspacer=((patterns.spacer^1)/"")^0
-patterns.singlequoted=squote*patterns.nosquote*squote
-patterns.doublequoted=dquote*patterns.nodquote*dquote
-patterns.quoted=patterns.doublequoted+patterns.singlequoted
-patterns.digit=digit
-patterns.octdigit=octdigit
-patterns.hexdigit=hexdigit
-patterns.sign=sign
-patterns.cardinal=digit^1
-patterns.integer=sign^-1*digit^1
-patterns.unsigned=digit^0*period*digit^1
-patterns.float=sign^-1*patterns.unsigned
-patterns.cunsigned=digit^0*comma*digit^1
-patterns.cpunsigned=digit^0*(period+comma)*digit^1
-patterns.cfloat=sign^-1*patterns.cunsigned
-patterns.cpfloat=sign^-1*patterns.cpunsigned
-patterns.number=patterns.float+patterns.integer
-patterns.cnumber=patterns.cfloat+patterns.integer
-patterns.cpnumber=patterns.cpfloat+patterns.integer
-patterns.oct=zero*octdigit^1
-patterns.octal=patterns.oct
-patterns.HEX=zero*P("X")*(digit+uppercase)^1
-patterns.hex=zero*P("x")*(digit+lowercase)^1
-patterns.hexadecimal=zero*S("xX")*hexdigit^1
-patterns.hexafloat=sign^-1*zero*S("xX")*(hexdigit^0*period*hexdigit^1+hexdigit^1*period*hexdigit^0+hexdigit^1)*(S("pP")*sign^-1*hexdigit^1)^-1
-patterns.decafloat=sign^-1*(digit^0*period*digit^1+digit^1*period*digit^0+digit^1)*S("eE")*sign^-1*digit^1
-patterns.propername=(uppercase+lowercase+underscore)*(uppercase+lowercase+underscore+digit)^0*endofstring
-patterns.somecontent=(anything-newline-space)^1
-patterns.beginline=#(1-newline)
-patterns.longtostring=Cs(whitespace^0/""*((patterns.quoted+nonwhitespace^1+whitespace^1/""*(P(-1)+Cc(" ")))^0))
-local function anywhere(pattern)
- return P { P(pattern)+1*V(1) }
-end
-lpeg.anywhere=anywhere
-function lpeg.instringchecker(p)
- p=anywhere(p)
- return function(str)
- return lpegmatch(p,str) and true or false
- end
-end
-function lpeg.splitter(pattern,action)
- return (((1-P(pattern))^1)/action+1)^0
-end
-function lpeg.tsplitter(pattern,action)
- return Ct((((1-P(pattern))^1)/action+1)^0)
-end
-local splitters_s,splitters_m,splitters_t={},{},{}
-local function splitat(separator,single)
- local splitter=(single and splitters_s[separator]) or splitters_m[separator]
- if not splitter then
- separator=P(separator)
- local other=C((1-separator)^0)
- if single then
- local any=anything
- splitter=other*(separator*C(any^0)+"")
- splitters_s[separator]=splitter
- else
- splitter=other*(separator*other)^0
- splitters_m[separator]=splitter
- end
- end
- return splitter
-end
-local function tsplitat(separator)
- local splitter=splitters_t[separator]
- if not splitter then
- splitter=Ct(splitat(separator))
- splitters_t[separator]=splitter
- end
- return splitter
-end
-lpeg.splitat=splitat
-lpeg.tsplitat=tsplitat
-function string.splitup(str,separator)
- if not separator then
- separator=","
- end
- return lpegmatch(splitters_m[separator] or splitat(separator),str)
-end
-local cache={}
-function lpeg.split(separator,str)
- local c=cache[separator]
- if not c then
- c=tsplitat(separator)
- cache[separator]=c
- end
- return lpegmatch(c,str)
-end
-function string.split(str,separator)
- if separator then
- local c=cache[separator]
- if not c then
- c=tsplitat(separator)
- cache[separator]=c
- end
- return lpegmatch(c,str)
- else
- return { str }
- end
-end
-local spacing=patterns.spacer^0*newline
-local empty=spacing*Cc("")
-local nonempty=Cs((1-spacing)^1)*spacing^-1
-local content=(empty+nonempty)^1
-patterns.textline=content
-local linesplitter=tsplitat(newline)
-patterns.linesplitter=linesplitter
-function string.splitlines(str)
- return lpegmatch(linesplitter,str)
-end
-local cache={}
-function lpeg.checkedsplit(separator,str)
- local c=cache[separator]
- if not c then
- separator=P(separator)
- local other=C((1-separator)^1)
- c=Ct(separator^0*other*(separator^1*other)^0)
- cache[separator]=c
- end
- return lpegmatch(c,str)
-end
-function string.checkedsplit(str,separator)
- local c=cache[separator]
- if not c then
- separator=P(separator)
- local other=C((1-separator)^1)
- c=Ct(separator^0*other*(separator^1*other)^0)
- cache[separator]=c
- end
- return lpegmatch(c,str)
-end
-local function f2(s) local c1,c2=byte(s,1,2) return c1*64+c2-12416 end
-local function f3(s) local c1,c2,c3=byte(s,1,3) return (c1*64+c2)*64+c3-925824 end
-local function f4(s) local c1,c2,c3,c4=byte(s,1,4) return ((c1*64+c2)*64+c3)*64+c4-63447168 end
-local utf8byte=patterns.utf8one/byte+patterns.utf8two/f2+patterns.utf8three/f3+patterns.utf8four/f4
-patterns.utf8byte=utf8byte
-local cache={}
-function lpeg.stripper(str)
- if type(str)=="string" then
- local s=cache[str]
- if not s then
- s=Cs(((S(str)^1)/""+1)^0)
- cache[str]=s
- end
- return s
- else
- return Cs(((str^1)/""+1)^0)
- end
-end
-local cache={}
-function lpeg.keeper(str)
- if type(str)=="string" then
- local s=cache[str]
- if not s then
- s=Cs((((1-S(str))^1)/""+1)^0)
- cache[str]=s
- end
- return s
- else
- return Cs((((1-str)^1)/""+1)^0)
- end
-end
-function lpeg.frontstripper(str)
- return (P(str)+P(true))*Cs(anything^0)
-end
-function lpeg.endstripper(str)
- return Cs((1-P(str)*endofstring)^0)
-end
-function lpeg.replacer(one,two,makefunction,isutf)
- local pattern
- local u=isutf and utf8char or 1
- if type(one)=="table" then
- local no=#one
- local p=P(false)
- if no==0 then
- for k,v in next,one do
- p=p+P(k)/v
- end
- pattern=Cs((p+u)^0)
- elseif no==1 then
- local o=one[1]
- one,two=P(o[1]),o[2]
- pattern=Cs((one/two+u)^0)
- else
- for i=1,no do
- local o=one[i]
- p=p+P(o[1])/o[2]
- end
- pattern=Cs((p+u)^0)
- end
- else
- pattern=Cs((P(one)/(two or "")+u)^0)
- end
- if makefunction then
- return function(str)
- return lpegmatch(pattern,str)
- end
- else
- return pattern
- end
-end
-function lpeg.finder(lst,makefunction,isutf)
- local pattern
- if type(lst)=="table" then
- pattern=P(false)
- if #lst==0 then
- for k,v in next,lst do
- pattern=pattern+P(k)
- end
- else
- for i=1,#lst do
- pattern=pattern+P(lst[i])
- end
- end
- else
- pattern=P(lst)
- end
- if isutf then
- pattern=((utf8char or 1)-pattern)^0*pattern
- else
- pattern=(1-pattern)^0*pattern
- end
- if makefunction then
- return function(str)
- return lpegmatch(pattern,str)
- end
- else
- return pattern
- end
-end
-local splitters_f,splitters_s={},{}
-function lpeg.firstofsplit(separator)
- local splitter=splitters_f[separator]
- if not splitter then
- local pattern=P(separator)
- splitter=C((1-pattern)^0)
- splitters_f[separator]=splitter
- end
- return splitter
-end
-function lpeg.secondofsplit(separator)
- local splitter=splitters_s[separator]
- if not splitter then
- local pattern=P(separator)
- splitter=(1-pattern)^0*pattern*C(anything^0)
- splitters_s[separator]=splitter
- end
- return splitter
-end
-local splitters_s,splitters_p={},{}
-function lpeg.beforesuffix(separator)
- local splitter=splitters_s[separator]
- if not splitter then
- local pattern=P(separator)
- splitter=C((1-pattern)^0)*pattern*endofstring
- splitters_s[separator]=splitter
- end
- return splitter
-end
-function lpeg.afterprefix(separator)
- local splitter=splitters_p[separator]
- if not splitter then
- local pattern=P(separator)
- splitter=pattern*C(anything^0)
- splitters_p[separator]=splitter
- end
- return splitter
-end
-function lpeg.balancer(left,right)
- left,right=P(left),P(right)
- return P { left*((1-left-right)+V(1))^0*right }
-end
-local nany=utf8char/""
-function lpeg.counter(pattern)
- pattern=Cs((P(pattern)/" "+nany)^0)
- return function(str)
- return #lpegmatch(pattern,str)
- end
-end
-utf=utf or (unicode and unicode.utf8) or {}
-local utfcharacters=utf and utf.characters or string.utfcharacters
-local utfgmatch=utf and utf.gmatch
-local utfchar=utf and utf.char
-lpeg.UP=lpeg.P
-if utfcharacters then
- function lpeg.US(str)
- local p=P(false)
- for uc in utfcharacters(str) do
- p=p+P(uc)
- end
- return p
- end
-elseif utfgmatch then
- function lpeg.US(str)
- local p=P(false)
- for uc in utfgmatch(str,".") do
- p=p+P(uc)
- end
- return p
- end
-else
- function lpeg.US(str)
- local p=P(false)
- local f=function(uc)
- p=p+P(uc)
- end
- lpegmatch((utf8char/f)^0,str)
- return p
- end
-end
-local range=utf8byte*utf8byte+Cc(false)
-function lpeg.UR(str,more)
- local first,last
- if type(str)=="number" then
- first=str
- last=more or first
- else
- first,last=lpegmatch(range,str)
- if not last then
- return P(str)
- end
- end
- if first==last then
- return P(str)
- elseif utfchar and (last-first<8) then
- local p=P(false)
- for i=first,last do
- p=p+P(utfchar(i))
- end
- return p
- else
- local f=function(b)
- return b>=first and b<=last
- end
- return utf8byte/f
- end
-end
-function lpeg.is_lpeg(p)
- return p and lpegtype(p)=="pattern"
-end
-function lpeg.oneof(list,...)
- if type(list)~="table" then
- list={ list,... }
- end
- local p=P(list[1])
- for l=2,#list do
- p=p+P(list[l])
- end
- return p
-end
-local sort=table.sort
-local function copyindexed(old)
- local new={}
- for i=1,#old do
- new[i]=old
- end
- return new
-end
-local function sortedkeys(tab)
- local keys,s={},0
- for key,_ in next,tab do
- s=s+1
- keys[s]=key
- end
- sort(keys)
- return keys
-end
-function lpeg.append(list,pp,delayed,checked)
- local p=pp
- if #list>0 then
- local keys=copyindexed(list)
- sort(keys)
- for i=#keys,1,-1 do
- local k=keys[i]
- if p then
- p=P(k)+p
- else
- p=P(k)
- end
- end
- elseif delayed then
- local keys=sortedkeys(list)
- if p then
- for i=1,#keys,1 do
- local k=keys[i]
- local v=list[k]
- p=P(k)/list+p
- end
- else
- for i=1,#keys do
- local k=keys[i]
- local v=list[k]
- if p then
- p=P(k)+p
- else
- p=P(k)
- end
- end
- if p then
- p=p/list
- end
- end
- elseif checked then
- local keys=sortedkeys(list)
- for i=1,#keys do
- local k=keys[i]
- local v=list[k]
- if p then
- if k==v then
- p=P(k)+p
- else
- p=P(k)/v+p
- end
- else
- if k==v then
- p=P(k)
- else
- p=P(k)/v
- end
- end
- end
- else
- local keys=sortedkeys(list)
- for i=1,#keys do
- local k=keys[i]
- local v=list[k]
- if p then
- p=P(k)/v+p
- else
- p=P(k)/v
- end
- end
- end
- return p
-end
-local p_false=P(false)
-local p_true=P(true)
-local function make(t)
- local function making(t)
- local p=p_false
- local keys=sortedkeys(t)
- for i=1,#keys do
- local k=keys[i]
- if k~="" then
- local v=t[k]
- if v==true then
- p=p+P(k)*p_true
- elseif v==false then
- else
- p=p+P(k)*making(v)
- end
- end
- end
- if t[""] then
- p=p+p_true
- end
- return p
- end
- local p=p_false
- local keys=sortedkeys(t)
- for i=1,#keys do
- local k=keys[i]
- if k~="" then
- local v=t[k]
- if v==true then
- p=p+P(k)*p_true
- elseif v==false then
- else
- p=p+P(k)*making(v)
- end
- end
- end
- return p
-end
-local function collapse(t,x)
- if type(t)~="table" then
- return t,x
- else
- local n=next(t)
- if n==nil then
- return t,x
- elseif next(t,n)==nil then
- local k=n
- local v=t[k]
- if type(v)=="table" then
- return collapse(v,x..k)
- else
- return v,x..k
- end
- else
- local tt={}
- for k,v in next,t do
- local vv,kk=collapse(v,k)
- tt[kk]=vv
- end
- return tt,x
- end
- end
-end
-function lpeg.utfchartabletopattern(list)
- local tree={}
- local n=#list
- if n==0 then
- for s in next,list do
- local t=tree
- local p,pk
- for c in gmatch(s,".") do
- if t==true then
- t={ [c]=true,[""]=true }
- p[pk]=t
- p=t
- t=false
- elseif t==false then
- t={ [c]=false }
- p[pk]=t
- p=t
- t=false
- else
- local tc=t[c]
- if not tc then
- tc=false
- t[c]=false
- end
- p=t
- t=tc
- end
- pk=c
- end
- if t==false then
- p[pk]=true
- elseif t==true then
- else
- t[""]=true
- end
- end
- else
- for i=1,n do
- local s=list[i]
- local t=tree
- local p,pk
- for c in gmatch(s,".") do
- if t==true then
- t={ [c]=true,[""]=true }
- p[pk]=t
- p=t
- t=false
- elseif t==false then
- t={ [c]=false }
- p[pk]=t
- p=t
- t=false
- else
- local tc=t[c]
- if not tc then
- tc=false
- t[c]=false
- end
- p=t
- t=tc
- end
- pk=c
- end
- if t==false then
- p[pk]=true
- elseif t==true then
- else
- t[""]=true
- end
- end
- end
- return make(tree)
-end
-patterns.containseol=lpeg.finder(eol)
-local function nextstep(n,step,result)
- local m=n%step
- local d=floor(n/step)
- if d>0 then
- local v=V(tostring(step))
- local s=result.start
- for i=1,d do
- if s then
- s=v*s
- else
- s=v
- end
- end
- result.start=s
- end
- if step>1 and result.start then
- local v=V(tostring(step/2))
- result[tostring(step)]=v*v
- end
- if step>0 then
- return nextstep(m,step/2,result)
- else
- return result
- end
-end
-function lpeg.times(pattern,n)
- return P(nextstep(n,2^16,{ "start",["1"]=pattern }))
-end
-local trailingzeros=zero^0*-digit
-local case_1=period*trailingzeros/""
-local case_2=period*(digit-trailingzeros)^1*(trailingzeros/"")
-local number=digit^1*(case_1+case_2)
-local stripper=Cs((number+1)^0)
-lpeg.patterns.stripzeros=stripper
-local byte_to_HEX={}
-local byte_to_hex={}
-local byte_to_dec={}
-local hex_to_byte={}
-for i=0,255 do
- local H=format("%02X",i)
- local h=format("%02x",i)
- local d=format("%03i",i)
- local c=char(i)
- byte_to_HEX[c]=H
- byte_to_hex[c]=h
- byte_to_dec[c]=d
- hex_to_byte[h]=c
- hex_to_byte[H]=c
-end
-local hextobyte=P(2)/hex_to_byte
-local bytetoHEX=P(1)/byte_to_HEX
-local bytetohex=P(1)/byte_to_hex
-local bytetodec=P(1)/byte_to_dec
-local hextobytes=Cs(hextobyte^0)
-local bytestoHEX=Cs(bytetoHEX^0)
-local bytestohex=Cs(bytetohex^0)
-local bytestodec=Cs(bytetodec^0)
-patterns.hextobyte=hextobyte
-patterns.bytetoHEX=bytetoHEX
-patterns.bytetohex=bytetohex
-patterns.bytetodec=bytetodec
-patterns.hextobytes=hextobytes
-patterns.bytestoHEX=bytestoHEX
-patterns.bytestohex=bytestohex
-patterns.bytestodec=bytestodec
-function string.toHEX(s)
- if not s or s=="" then
- return s
- else
- return lpegmatch(bytestoHEX,s)
- end
-end
-function string.tohex(s)
- if not s or s=="" then
- return s
- else
- return lpegmatch(bytestohex,s)
- end
-end
-function string.todec(s)
- if not s or s=="" then
- return s
- else
- return lpegmatch(bytestodec,s)
- end
-end
-function string.tobytes(s)
- if not s or s=="" then
- return s
- else
- return lpegmatch(hextobytes,s)
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['l-functions']={
- 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"
-}
-functions=functions or {}
-function functions.dummy() end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['l-string']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local string=string
-local sub,gmatch,format,char,byte,rep,lower=string.sub,string.gmatch,string.format,string.char,string.byte,string.rep,string.lower
-local lpegmatch,patterns=lpeg.match,lpeg.patterns
-local P,S,C,Ct,Cc,Cs=lpeg.P,lpeg.S,lpeg.C,lpeg.Ct,lpeg.Cc,lpeg.Cs
-local unquoted=patterns.squote*C(patterns.nosquote)*patterns.squote+patterns.dquote*C(patterns.nodquote)*patterns.dquote
-function string.unquoted(str)
- return lpegmatch(unquoted,str) or str
-end
-function string.quoted(str)
- return format("%q",str)
-end
-function string.count(str,pattern)
- local n=0
- for _ in gmatch(str,pattern) do
- n=n+1
- end
- return n
-end
-function string.limit(str,n,sentinel)
- if #str>n then
- sentinel=sentinel or "..."
- return sub(str,1,(n-#sentinel))..sentinel
- else
- return str
- end
-end
-local stripper=patterns.stripper
-local fullstripper=patterns.fullstripper
-local collapser=patterns.collapser
-local longtostring=patterns.longtostring
-function string.strip(str)
- return lpegmatch(stripper,str) or ""
-end
-function string.fullstrip(str)
- return lpegmatch(fullstripper,str) or ""
-end
-function string.collapsespaces(str)
- return lpegmatch(collapser,str) or ""
-end
-function string.longtostring(str)
- return lpegmatch(longtostring,str) or ""
-end
-local pattern=P(" ")^0*P(-1)
-function string.is_empty(str)
- if str=="" then
- return true
- else
- return lpegmatch(pattern,str) and true or false
- end
-end
-local anything=patterns.anything
-local allescapes=Cc("%")*S(".-+%?()[]*")
-local someescapes=Cc("%")*S(".-+%()[]")
-local matchescapes=Cc(".")*S("*?")
-local pattern_a=Cs ((allescapes+anything )^0 )
-local pattern_b=Cs ((someescapes+matchescapes+anything )^0 )
-local pattern_c=Cs (Cc("^")*(someescapes+matchescapes+anything )^0*Cc("$") )
-function string.escapedpattern(str,simple)
- return lpegmatch(simple and pattern_b or pattern_a,str)
-end
-function string.topattern(str,lowercase,strict)
- if str=="" or type(str)~="string" then
- return ".*"
- elseif strict then
- str=lpegmatch(pattern_c,str)
- else
- str=lpegmatch(pattern_b,str)
- end
- if lowercase then
- return lower(str)
- else
- return str
- end
-end
-function string.valid(str,default)
- return (type(str)=="string" and str~="" and str) or default or nil
-end
-string.itself=function(s) return s end
-local pattern_c=Ct(C(1)^0)
-local pattern_b=Ct((C(1)/byte)^0)
-function string.totable(str,bytes)
- return lpegmatch(bytes and pattern_b or pattern_c,str)
-end
-local replacer=lpeg.replacer("@","%%")
-function string.tformat(fmt,...)
- return format(lpegmatch(replacer,fmt),...)
-end
-string.quote=string.quoted
-string.unquote=string.unquoted
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['l-table']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local type,next,tostring,tonumber,ipairs,select=type,next,tostring,tonumber,ipairs,select
-local table,string=table,string
-local concat,sort,insert,remove=table.concat,table.sort,table.insert,table.remove
-local format,lower,dump=string.format,string.lower,string.dump
-local getmetatable,setmetatable=getmetatable,setmetatable
-local getinfo=debug.getinfo
-local lpegmatch,patterns=lpeg.match,lpeg.patterns
-local floor=math.floor
-local stripper=patterns.stripper
-function table.strip(tab)
- local lst,l={},0
- for i=1,#tab do
- local s=lpegmatch(stripper,tab[i]) or ""
- if s=="" then
- else
- l=l+1
- lst[l]=s
- end
- end
- return lst
-end
-function table.keys(t)
- if t then
- local keys,k={},0
- for key in next,t do
- k=k+1
- keys[k]=key
- end
- return keys
- else
- return {}
- end
-end
-local function compare(a,b)
- local ta=type(a)
- if ta=="number" then
- local tb=type(b)
- if ta==tb then
- return a<b
- elseif tb=="string" then
- return tostring(a)<b
- end
- elseif ta=="string" then
- local tb=type(b)
- if ta==tb then
- return a<b
- else
- return a<tostring(b)
- end
- end
- return tostring(a)<tostring(b)
-end
-local function sortedkeys(tab)
- if tab then
- local srt,category,s={},0,0
- for key in next,tab do
- s=s+1
- srt[s]=key
- if category==3 then
- elseif category==1 then
- if type(key)~="string" then
- category=3
- end
- elseif category==2 then
- if type(key)~="number" then
- category=3
- end
- else
- local tkey=type(key)
- if tkey=="string" then
- category=1
- elseif tkey=="number" then
- category=2
- else
- category=3
- end
- end
- end
- if s<2 then
- elseif category==3 then
- sort(srt,compare)
- else
- sort(srt)
- end
- return srt
- else
- return {}
- end
-end
-local function sortedhashonly(tab)
- if tab then
- local srt,s={},0
- for key in next,tab do
- if type(key)=="string" then
- s=s+1
- srt[s]=key
- end
- end
- if s>1 then
- sort(srt)
- end
- return srt
- else
- return {}
- end
-end
-local function sortedindexonly(tab)
- if tab then
- local srt,s={},0
- for key in next,tab do
- if type(key)=="number" then
- s=s+1
- srt[s]=key
- end
- end
- if s>1 then
- sort(srt)
- end
- return srt
- else
- return {}
- end
-end
-local function sortedhashkeys(tab,cmp)
- if tab then
- local srt,s={},0
- for key in next,tab do
- if key then
- s=s+1
- srt[s]=key
- end
- end
- if s>1 then
- sort(srt,cmp)
- end
- return srt
- else
- return {}
- end
-end
-function table.allkeys(t)
- local keys={}
- for k,v in next,t do
- for k in next,v do
- keys[k]=true
- end
- end
- return sortedkeys(keys)
-end
-table.sortedkeys=sortedkeys
-table.sortedhashonly=sortedhashonly
-table.sortedindexonly=sortedindexonly
-table.sortedhashkeys=sortedhashkeys
-local function nothing() end
-local function sortedhash(t,cmp)
- if t then
- local s
- if cmp then
- s=sortedhashkeys(t,function(a,b) return cmp(t,a,b) end)
- else
- s=sortedkeys(t)
- end
- local m=#s
- if m==1 then
- return next,t
- elseif m>0 then
- local n=0
- return function()
- if n<m then
- n=n+1
- local k=s[n]
- return k,t[k]
- end
- end
- end
- end
- return nothing
-end
-table.sortedhash=sortedhash
-table.sortedpairs=sortedhash
-function table.append(t,list)
- local n=#t
- for i=1,#list do
- n=n+1
- t[n]=list[i]
- end
- return t
-end
-function table.prepend(t,list)
- local nl=#list
- local nt=nl+#t
- for i=#t,1,-1 do
- t[nt]=t[i]
- nt=nt-1
- end
- for i=1,#list do
- t[i]=list[i]
- end
- return t
-end
-function table.merge(t,...)
- t=t or {}
- for i=1,select("#",...) do
- for k,v in next,(select(i,...)) do
- t[k]=v
- end
- end
- return t
-end
-function table.merged(...)
- local t={}
- for i=1,select("#",...) do
- for k,v in next,(select(i,...)) do
- t[k]=v
- end
- end
- return t
-end
-function table.imerge(t,...)
- local nt=#t
- for i=1,select("#",...) do
- local nst=select(i,...)
- for j=1,#nst do
- nt=nt+1
- t[nt]=nst[j]
- end
- end
- return t
-end
-function table.imerged(...)
- local tmp,ntmp={},0
- for i=1,select("#",...) do
- local nst=select(i,...)
- for j=1,#nst do
- ntmp=ntmp+1
- tmp[ntmp]=nst[j]
- end
- end
- return tmp
-end
-local function fastcopy(old,metatabletoo)
- if old then
- local new={}
- for k,v in next,old do
- if type(v)=="table" then
- new[k]=fastcopy(v,metatabletoo)
- else
- new[k]=v
- end
- end
- if metatabletoo then
- local mt=getmetatable(old)
- if mt then
- setmetatable(new,mt)
- end
- end
- return new
- else
- return {}
- end
-end
-local function copy(t,tables)
- tables=tables or {}
- local tcopy={}
- if not tables[t] then
- tables[t]=tcopy
- end
- for i,v in next,t do
- if type(i)=="table" then
- if tables[i] then
- i=tables[i]
- else
- i=copy(i,tables)
- end
- end
- if type(v)~="table" then
- tcopy[i]=v
- elseif tables[v] then
- tcopy[i]=tables[v]
- else
- tcopy[i]=copy(v,tables)
- end
- end
- local mt=getmetatable(t)
- if mt then
- setmetatable(tcopy,mt)
- end
- return tcopy
-end
-table.fastcopy=fastcopy
-table.copy=copy
-function table.derive(parent)
- local child={}
- if parent then
- setmetatable(child,{ __index=parent })
- end
- return child
-end
-function table.tohash(t,value)
- local h={}
- if t then
- if value==nil then value=true end
- for _,v in next,t do
- h[v]=value
- end
- end
- return h
-end
-function table.fromhash(t)
- local hsh,h={},0
- for k,v in next,t do
- if v then
- h=h+1
- hsh[h]=k
- end
- end
- return hsh
-end
-local noquotes,hexify,handle,compact,inline,functions
-local reserved=table.tohash {
- 'and','break','do','else','elseif','end','false','for','function','if',
- 'in','local','nil','not','or','repeat','return','then','true','until','while',
- 'NaN','goto',
-}
-local function simple_table(t)
- local nt=#t
- if nt>0 then
- local n=0
- for _,v in next,t do
- n=n+1
- end
- if n==nt then
- local tt={}
- for i=1,nt do
- local v=t[i]
- local tv=type(v)
- if tv=="number" then
- if hexify then
- tt[i]=format("0x%X",v)
- else
- tt[i]=tostring(v)
- end
- elseif tv=="string" then
- tt[i]=format("%q",v)
- elseif tv=="boolean" then
- tt[i]=v and "true" or "false"
- else
- return nil
- end
- end
- return tt
- end
- end
- return nil
-end
-local propername=patterns.propername
-local function dummy() end
-local function do_serialize(root,name,depth,level,indexed)
- if level>0 then
- depth=depth.." "
- if indexed then
- handle(format("%s{",depth))
- else
- local tn=type(name)
- if tn=="number" then
- if hexify then
- handle(format("%s[0x%X]={",depth,name))
- else
- handle(format("%s[%s]={",depth,name))
- end
- elseif tn=="string" then
- if noquotes and not reserved[name] and lpegmatch(propername,name) then
- handle(format("%s%s={",depth,name))
- else
- handle(format("%s[%q]={",depth,name))
- end
- elseif tn=="boolean" then
- handle(format("%s[%s]={",depth,name and "true" or "false"))
- else
- handle(format("%s{",depth))
- end
- end
- end
- if root and next(root)~=nil then
- local first,last=nil,0
- if compact then
- last=#root
- for k=1,last do
- if root[k]==nil then
- last=k-1
- break
- end
- end
- if last>0 then
- first=1
- end
- end
- local sk=sortedkeys(root)
- for i=1,#sk do
- local k=sk[i]
- local v=root[k]
- local tv=type(v)
- local tk=type(k)
- if compact and first and tk=="number" and k>=first and k<=last then
- if tv=="number" then
- if hexify then
- handle(format("%s 0x%X,",depth,v))
- else
- handle(format("%s %s,",depth,v))
- end
- elseif tv=="string" then
- handle(format("%s %q,",depth,v))
- elseif tv=="table" then
- if next(v)==nil then
- handle(format("%s {},",depth))
- elseif inline then
- 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 tv=="boolean" then
- handle(format("%s %s,",depth,v and "true" or "false"))
- elseif tv=="function" then
- if functions then
- handle(format('%s load(%q),',depth,dump(v)))
- else
- handle(format('%s "function",',depth))
- end
- else
- handle(format("%s %q,",depth,tostring(v)))
- end
- elseif k=="__p__" then
- if false then
- handle(format("%s __p__=nil,",depth))
- end
- elseif tv=="number" then
- if tk=="number" then
- if hexify then
- handle(format("%s [0x%X]=0x%X,",depth,k,v))
- else
- handle(format("%s [%s]=%s,",depth,k,v))
- end
- elseif tk=="boolean" then
- if hexify then
- handle(format("%s [%s]=0x%X,",depth,k and "true" or "false",v))
- else
- handle(format("%s [%s]=%s,",depth,k and "true" or "false",v))
- end
- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
- if hexify then
- handle(format("%s %s=0x%X,",depth,k,v))
- else
- handle(format("%s %s=%s,",depth,k,v))
- end
- else
- if hexify then
- handle(format("%s [%q]=0x%X,",depth,k,v))
- else
- handle(format("%s [%q]=%s,",depth,k,v))
- end
- end
- elseif tv=="string" then
- if tk=="number" then
- if hexify then
- handle(format("%s [0x%X]=%q,",depth,k,v))
- else
- handle(format("%s [%s]=%q,",depth,k,v))
- end
- elseif tk=="boolean" then
- handle(format("%s [%s]=%q,",depth,k and "true" or "false",v))
- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
- handle(format("%s %s=%q,",depth,k,v))
- else
- handle(format("%s [%q]=%q,",depth,k,v))
- end
- elseif tv=="table" then
- if next(v)==nil then
- if tk=="number" then
- if hexify then
- handle(format("%s [0x%X]={},",depth,k))
- else
- handle(format("%s [%s]={},",depth,k))
- end
- elseif tk=="boolean" then
- handle(format("%s [%s]={},",depth,k and "true" or "false"))
- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
- handle(format("%s %s={},",depth,k))
- else
- handle(format("%s [%q]={},",depth,k))
- end
- elseif inline then
- local st=simple_table(v)
- if st then
- if tk=="number" then
- if hexify then
- handle(format("%s [0x%X]={ %s },",depth,k,concat(st,", ")))
- else
- handle(format("%s [%s]={ %s },",depth,k,concat(st,", ")))
- end
- elseif tk=="boolean" then
- handle(format("%s [%s]={ %s },",depth,k and "true" or "false",concat(st,", ")))
- elseif noquotes and not reserved[k] and lpegmatch(propername,k) 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 tv=="boolean" then
- if tk=="number" then
- if hexify then
- handle(format("%s [0x%X]=%s,",depth,k,v and "true" or "false"))
- else
- handle(format("%s [%s]=%s,",depth,k,v and "true" or "false"))
- end
- elseif tk=="boolean" then
- handle(format("%s [%s]=%s,",depth,tostring(k),v and "true" or "false"))
- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
- handle(format("%s %s=%s,",depth,k,v and "true" or "false"))
- else
- handle(format("%s [%q]=%s,",depth,k,v and "true" or "false"))
- end
- elseif tv=="function" then
- if functions then
- local f=getinfo(v).what=="C" and dump(dummy) or dump(v)
- if tk=="number" then
- if hexify then
- handle(format("%s [0x%X]=load(%q),",depth,k,f))
- else
- handle(format("%s [%s]=load(%q),",depth,k,f))
- end
- elseif tk=="boolean" then
- handle(format("%s [%s]=load(%q),",depth,k and "true" or "false",f))
- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
- handle(format("%s %s=load(%q),",depth,k,f))
- else
- handle(format("%s [%q]=load(%q),",depth,k,f))
- end
- end
- else
- if tk=="number" then
- if hexify then
- handle(format("%s [0x%X]=%q,",depth,k,tostring(v)))
- else
- handle(format("%s [%s]=%q,",depth,k,tostring(v)))
- end
- elseif tk=="boolean" then
- handle(format("%s [%s]=%q,",depth,k and "true" or "false",tostring(v)))
- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
- handle(format("%s %s=%q,",depth,k,tostring(v)))
- else
- handle(format("%s [%q]=%q,",depth,k,tostring(v)))
- end
- end
- end
- end
- if level>0 then
- handle(format("%s},",depth))
- end
-end
-local function serialize(_handle,root,name,specification)
- local tname=type(name)
- if type(specification)=="table" then
- noquotes=specification.noquotes
- hexify=specification.hexify
- handle=_handle or specification.handle or print
- functions=specification.functions
- compact=specification.compact
- inline=specification.inline and compact
- if functions==nil then
- functions=true
- end
- if compact==nil then
- compact=true
- end
- if inline==nil then
- inline=compact
- end
- else
- noquotes=false
- hexify=false
- handle=_handle or print
- compact=true
- inline=true
- functions=true
- end
- if tname=="string" then
- if name=="return" then
- handle("return {")
- else
- handle(name.."={")
- end
- elseif tname=="number" then
- if hexify then
- handle(format("[0x%X]={",name))
- else
- handle("["..name.."]={")
- end
- elseif tname=="boolean" then
- if name then
- handle("return {")
- else
- handle("{")
- end
- else
- handle("t={")
- end
- if root then
- if getmetatable(root) then
- local dummy=root._w_h_a_t_e_v_e_r_
- root._w_h_a_t_e_v_e_r_=nil
- end
- if next(root)~=nil then
- do_serialize(root,name,"",0)
- end
- end
- handle("}")
-end
-function table.serialize(root,name,specification)
- local t,n={},0
- local function flush(s)
- n=n+1
- t[n]=s
- end
- serialize(flush,root,name,specification)
- return concat(t,"\n")
-end
-table.tohandle=serialize
-local maxtab=2*1024
-function table.tofile(filename,root,name,specification)
- local f=io.open(filename,'w')
- if f then
- if maxtab>1 then
- local t,n={},0
- local function flush(s)
- n=n+1
- t[n]=s
- if n>maxtab then
- f:write(concat(t,"\n"),"\n")
- t,n={},0
- end
- end
- serialize(flush,root,name,specification)
- f:write(concat(t,"\n"),"\n")
- else
- local function flush(s)
- f:write(s,"\n")
- end
- serialize(flush,root,name,specification)
- end
- f:close()
- io.flush()
- end
-end
-local function flattened(t,f,depth)
- if f==nil then
- f={}
- depth=0xFFFF
- elseif tonumber(f) then
- depth=f
- f={}
- elseif not depth then
- depth=0xFFFF
- end
- for k,v in next,t do
- if type(k)~="number" then
- if depth>0 and type(v)=="table" then
- flattened(v,f,depth-1)
- else
- f[#f+1]=v
- end
- end
- end
- for k=1,#t do
- local v=t[k]
- if depth>0 and type(v)=="table" then
- flattened(v,f,depth-1)
- else
- f[#f+1]=v
- end
- end
- return f
-end
-table.flattened=flattened
-local function unnest(t,f)
- if not f then
- f={}
- end
- for i=1,#t do
- local v=t[i]
- if type(v)=="table" then
- if type(v[1])=="table" then
- unnest(v,f)
- else
- f[#f+1]=v
- end
- else
- f[#f+1]=v
- end
- end
- return f
-end
-function table.unnest(t)
- return unnest(t)
-end
-local function are_equal(a,b,n,m)
- 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
- 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)
- for ka,va in next,a do
- local vb=b[ka]
- if va==vb then
- elseif type(va)=="table" and type(vb)=="table" then
- if not identical(va,vb) then
- return false
- end
- else
- return false
- end
- end
- return true
-end
-table.identical=identical
-table.are_equal=are_equal
-local function sparse(old,nest,keeptables)
- local new={}
- for k,v in next,old do
- if not (v=="" or v==false) then
- if nest and type(v)=="table" then
- v=sparse(v,nest)
- if keeptables or next(v)~=nil then
- new[k]=v
- end
- else
- new[k]=v
- end
- end
- end
- return new
-end
-table.sparse=sparse
-function table.compact(t)
- return sparse(t,true,true)
-end
-function table.contains(t,v)
- if t then
- for i=1,#t do
- if t[i]==v then
- return i
- end
- end
- end
- return false
-end
-function table.count(t)
- local n=0
- for k,v in next,t do
- n=n+1
- end
- return n
-end
-function table.swapped(t,s)
- local n={}
- if s then
- for k,v in next,s do
- n[k]=v
- end
- end
- for k,v in next,t do
- n[v]=k
- end
- return n
-end
-function table.mirrored(t)
- local n={}
- for k,v in next,t do
- n[v]=k
- n[k]=v
- end
- return n
-end
-function table.reversed(t)
- if t then
- local tt,tn={},#t
- if tn>0 then
- local ttn=0
- for i=tn,1,-1 do
- ttn=ttn+1
- tt[ttn]=t[i]
- end
- end
- return tt
- end
-end
-function table.reverse(t)
- if t then
- local n=#t
- for i=1,floor(n/2) do
- local j=n-i+1
- t[i],t[j]=t[j],t[i]
- end
- return t
- end
-end
-function table.sequenced(t,sep,simple)
- if not t then
- return ""
- end
- local n=#t
- local s={}
- if n>0 then
- for i=1,n do
- s[i]=tostring(t[i])
- end
- else
- n=0
- for k,v in sortedhash(t) do
- if simple then
- if v==true then
- n=n+1
- s[n]=k
- elseif v and v~="" then
- n=n+1
- s[n]=k.."="..tostring(v)
- end
- else
- n=n+1
- s[n]=k.."="..tostring(v)
- end
- end
- end
- return concat(s,sep or " | ")
-end
-function table.print(t,...)
- if type(t)~="table" then
- print(tostring(t))
- else
- serialize(print,t,...)
- end
-end
-if setinspector then
- setinspector("table",function(v) if type(v)=="table" then serialize(print,v,"table") return true end end)
-end
-function table.sub(t,i,j)
- return { unpack(t,i,j) }
-end
-function table.is_empty(t)
- return not t or next(t)==nil
-end
-function table.has_one_entry(t)
- return t and next(t,next(t))==nil
-end
-function table.loweredkeys(t)
- local l={}
- for k,v in next,t do
- l[lower(k)]=v
- end
- return l
-end
-function table.unique(old)
- local hash={}
- local new={}
- local n=0
- for i=1,#old do
- local oi=old[i]
- if not hash[oi] then
- n=n+1
- new[n]=oi
- hash[oi]=true
- end
- end
- return new
-end
-function table.sorted(t,...)
- sort(t,...)
- return t
-end
-function table.values(t,s)
- if t then
- local values,keys,v={},{},0
- for key,value in next,t do
- if not keys[value] then
- v=v+1
- values[v]=value
- keys[k]=key
- end
- end
- if s then
- sort(values)
- end
- return values
- else
- return {}
- end
-end
-function table.filtered(t,pattern,sort,cmp)
- if t and type(pattern)=="string" then
- if sort then
- local s
- if cmp then
- s=sortedhashkeys(t,function(a,b) return cmp(t,a,b) end)
- else
- s=sortedkeys(t)
- end
- local n=0
- local m=#s
- local function kv(s)
- while n<m do
- n=n+1
- local k=s[n]
- if find(k,pattern) then
- return k,t[k]
- end
- end
- end
- return kv,s
- else
- local n=next(t)
- local function iterator()
- while n~=nil do
- local k=n
- n=next(t,k)
- if find(k,pattern) then
- return k,t[k]
- end
- end
- end
- return iterator,t
- end
- else
- return nothing
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['l-boolean']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local type,tonumber=type,tonumber
-boolean=boolean or {}
-local boolean=boolean
-function boolean.tonumber(b)
- if b then return 1 else return 0 end
-end
-function toboolean(str,tolerant)
- if str==nil then
- return false
- elseif str==false then
- return false
- elseif str==true then
- return true
- elseif str=="true" then
- return true
- elseif str=="false" then
- return false
- elseif not tolerant then
- return false
- elseif str==0 then
- return false
- elseif (tonumber(str) or 0)>0 then
- return true
- else
- return str=="yes" or str=="on" or str=="t"
- end
-end
-string.toboolean=toboolean
-function string.booleanstring(str)
- if str=="0" then
- return false
- elseif str=="1" then
- return true
- elseif str=="" then
- return false
- elseif str=="false" then
- return false
- elseif str=="true" then
- return true
- elseif (tonumber(str) or 0)>0 then
- return true
- else
- return str=="yes" or str=="on" or str=="t"
- end
-end
-function string.is_boolean(str,default,strict)
- if type(str)=="string" then
- if str=="true" or str=="yes" or str=="on" or str=="t" or (not strict and str=="1") then
- return true
- elseif str=="false" or str=="no" or str=="off" or str=="f" or (not strict and str=="0") then
- return false
- end
- end
- return default
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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,tonumber=tostring,tonumber
-local format,floor,match,rep=string.format,math.floor,string.match,string.rep
-local concat,insert=table.concat,table.insert
-local lpegmatch=lpeg.match
-number=number or {}
-local number=number
-if bit32 then
- local btest,bor=bit32.btest,bit32.bor
- function number.bit(p)
- return 2^(p-1)
- end
- number.hasbit=btest
- number.setbit=bor
- function number.setbit(x,p)
- return btest(x,p) and x or x+p
- end
- function number.clearbit(x,p)
- return btest(x,p) and x-p or x
- end
-else
- function number.bit(p)
- return 2^(p-1)
- end
- function number.hasbit(x,p)
- return x%(p+p)>=p
- end
- function number.setbit(x,p)
- return (x%(p+p)>=p) and x or x+p
- end
- function number.clearbit(x,p)
- return (x%(p+p)>=p) and x-p or x
- end
-end
-if bit32 then
- local bextract=bit32.extract
- local t={
- "0","0","0","0","0","0","0","0",
- "0","0","0","0","0","0","0","0",
- "0","0","0","0","0","0","0","0",
- "0","0","0","0","0","0","0","0",
- }
- function number.tobitstring(b,m)
- local n=32
- for i=0,31 do
- local v=bextract(b,i)
- local k=32-i
- if v==1 then
- n=k
- t[k]="1"
- else
- t[k]="0"
- end
- end
- if m then
- m=33-m*8
- if m<1 then
- m=1
- end
- return concat(t,"",m)
- elseif n<8 then
- return concat(t)
- elseif n<16 then
- return concat(t,"",9)
- elseif n<24 then
- return concat(t,"",17)
- else
- return concat(t,"",25)
- end
- end
-else
- function number.tobitstring(n,m)
- if n>0 then
- local t={}
- while n>0 do
- insert(t,1,n%2>0 and 1 or 0)
- n=floor(n/2)
- end
- local nn=8-#t%8
- if nn>0 and nn<8 then
- for i=1,nn do
- insert(t,1,0)
- end
- end
- if m then
- m=m*8-#t
- if m>0 then
- insert(t,1,rep("0",m))
- end
- end
- return concat(t)
- elseif m then
- rep("00000000",m)
- else
- return "00000000"
- end
- end
-end
-function number.valid(str,default)
- return tonumber(str) or default or nil
-end
-function number.toevenhex(n)
- local s=format("%X",n)
- if #s%2==0 then
- return s
- else
- return "0"..s
- end
-end
-local one=lpeg.C(1-lpeg.S('')/tonumber)^1
-function number.toset(n)
- return lpegmatch(one,tostring(n))
-end
-local function bits(n,i,...)
- if n>0 then
- local m=n%2
- local n=floor(n/2)
- if m>0 then
- return bits(n,i+1,i,...)
- else
- return bits(n,i+1,...)
- end
- else
- return...
- end
-end
-function number.bits(n)
- return { bits(n,1) }
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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.ceiling then
- math.ceiling=math.ceil
-end
-if not math.round then
- function math.round(x) return floor(x+0.5) end
-end
-if not math.div then
- function math.div(n,m) return floor(n/m) end
-end
-if not math.mod then
- function math.mod(n,m) return n%m end
-end
-local pipi=2*math.pi/360
-if not math.sind then
- function math.sind(d) return sin(d*pipi) end
- function math.cosd(d) return cos(d*pipi) end
- function math.tand(d) return tan(d*pipi) end
-end
-if not math.odd then
- function math.odd (n) return n%2~=0 end
- function math.even(n) return n%2==0 end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['l-io']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local io=io
-local byte,find,gsub,format=string.byte,string.find,string.gsub,string.format
-local concat=table.concat
-local floor=math.floor
-local type=type
-if string.find(os.getenv("PATH"),";",1,true) then
- io.fileseparator,io.pathseparator="\\",";"
-else
- io.fileseparator,io.pathseparator="/",":"
-end
-local function readall(f)
- return f:read("*all")
-end
-local function readall(f)
- local size=f:seek("end")
- if size==0 then
- return ""
- elseif size<1024*1024 then
- f:seek("set",0)
- return f:read('*all')
- else
- local done=f:seek("set",0)
- local step
- if size<1024*1024 then
- step=1024*1024
- elseif size>16*1024*1024 then
- step=16*1024*1024
- else
- step=floor(size/(1024*1024))*1024*1024/8
- end
- local data={}
- while true do
- local r=f:read(step)
- if not r then
- return concat(data)
- else
- data[#data+1]=r
- end
- end
- end
-end
-io.readall=readall
-function io.loaddata(filename,textmode)
- local f=io.open(filename,(textmode and 'r') or 'rb')
- if f then
- local data=readall(f)
- f:close()
- if #data>0 then
- return data
- end
- end
-end
-function io.savedata(filename,data,joiner)
- local f=io.open(filename,"wb")
- if f then
- if type(data)=="table" then
- f:write(concat(data,joiner or ""))
- elseif type(data)=="function" then
- data(f)
- else
- f:write(data or "")
- end
- f:close()
- io.flush()
- return true
- else
- return false
- end
-end
-function io.loadlines(filename,n)
- local f=io.open(filename,'r')
- if not f then
- elseif n then
- local lines={}
- for i=1,n do
- local line=f:read("*lines")
- if line then
- lines[#lines+1]=line
- else
- break
- end
- end
- f:close()
- lines=concat(lines,"\n")
- if #lines>0 then
- return lines
- end
- else
- local line=f:read("*line") or ""
- f:close()
- if #line>0 then
- return line
- end
- end
-end
-function io.loadchunk(filename,n)
- local f=io.open(filename,'rb')
- if f then
- local data=f:read(n or 1024)
- f:close()
- if #data>0 then
- return data
- end
- end
-end
-function io.exists(filename)
- local f=io.open(filename)
- if f==nil then
- return false
- else
- 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")
- f:close()
- return s
- end
-end
-function io.noflines(f)
- if type(f)=="string" then
- local f=io.open(filename)
- if f then
- local n=f and io.noflines(f) or 0
- f:close()
- return n
- else
- return 0
- end
- else
- local n=0
- for _ in f:lines() do
- n=n+1
- end
- f:seek('set',0)
- return n
- end
-end
-local nextchar={
- [ 4]=function(f)
- return f:read(1,1,1,1)
- end,
- [ 2]=function(f)
- return f:read(1,1)
- end,
- [ 1]=function(f)
- return f:read(1)
- end,
- [-2]=function(f)
- local a,b=f:read(1,1)
- return b,a
- end,
- [-4]=function(f)
- local a,b,c,d=f:read(1,1,1,1)
- return d,c,b,a
- end
-}
-function io.characters(f,n)
- if f then
- return nextchar[n or 1],f
- end
-end
-local nextbyte={
- [4]=function(f)
- local a,b,c,d=f:read(1,1,1,1)
- if d then
- return byte(a),byte(b),byte(c),byte(d)
- end
- end,
- [3]=function(f)
- local a,b,c=f:read(1,1,1)
- if b then
- return byte(a),byte(b),byte(c)
- end
- end,
- [2]=function(f)
- local a,b=f:read(1,1)
- if b then
- return byte(a),byte(b)
- end
- end,
- [1]=function (f)
- local a=f:read(1)
- if a then
- return byte(a)
- end
- end,
- [-2]=function (f)
- local a,b=f:read(1,1)
- if b then
- return byte(b),byte(a)
- end
- end,
- [-3]=function(f)
- local a,b,c=f:read(1,1,1)
- if b then
- return byte(c),byte(b),byte(a)
- end
- end,
- [-4]=function(f)
- local a,b,c,d=f:read(1,1,1,1)
- if d then
- return byte(d),byte(c),byte(b),byte(a)
- end
- end
-}
-function io.bytes(f,n)
- if f then
- return nextbyte[n or 1],f
- else
- return nil,nil
- end
-end
-function io.ask(question,default,options)
- while true do
- io.write(question)
- if options then
- io.write(format(" [%s]",concat(options,"|")))
- end
- if default then
- io.write(format(" [%s]",default))
- end
- io.write(format(" "))
- io.flush()
- local answer=io.read()
- answer=gsub(answer,"^%s*(.*)%s*$","%1")
- if answer=="" and default then
- return default
- elseif not options then
- return answer
- else
- for k=1,#options do
- if options[k]==answer then
- return answer
- end
- end
- local pattern="^"..answer
- for k=1,#options do
- local v=options[k]
- if find(v,pattern) then
- return v
- end
- end
- end
- end
-end
-local function readnumber(f,n,m)
- if m then
- f:seek("set",n)
- n=m
- end
- if n==1 then
- return byte(f:read(1))
- elseif n==2 then
- local a,b=byte(f:read(2),1,2)
- return 256*a+b
- elseif n==3 then
- local a,b,c=byte(f:read(3),1,3)
- return 256*256*a+256*b+c
- elseif n==4 then
- local a,b,c,d=byte(f:read(4),1,4)
- return 256*256*256*a+256*256*b+256*c+d
- elseif n==8 then
- local a,b=readnumber(f,4),readnumber(f,4)
- return 256*a+b
- elseif n==12 then
- local a,b,c=readnumber(f,4),readnumber(f,4),readnumber(f,4)
- return 256*256*a+256*b+c
- elseif n==-2 then
- local b,a=byte(f:read(2),1,2)
- return 256*a+b
- elseif n==-3 then
- local c,b,a=byte(f:read(3),1,3)
- return 256*256*a+256*b+c
- elseif n==-4 then
- local d,c,b,a=byte(f:read(4),1,4)
- return 256*256*256*a+256*256*b+256*c+d
- elseif n==-8 then
- local h,g,f,e,d,c,b,a=byte(f:read(8),1,8)
- return 256*256*256*256*256*256*256*a+256*256*256*256*256*256*b+256*256*256*256*256*c+256*256*256*256*d+256*256*256*e+256*256*f+256*g+h
- else
- return 0
- end
-end
-io.readnumber=readnumber
-function io.readstring(f,n,m)
- if m then
- f:seek("set",n)
- n=m
- end
- local str=gsub(f:read(n),"\000","")
- return str
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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"
-}
-local os=os
-local date,time=os.date,os.time
-local find,format,gsub,upper,gmatch=string.find,string.format,string.gsub,string.upper,string.gmatch
-local concat=table.concat
-local random,ceil,randomseed=math.random,math.ceil,math.randomseed
-local rawget,rawset,type,getmetatable,setmetatable,tonumber,tostring=rawget,rawset,type,getmetatable,setmetatable,tonumber,tostring
-math.initialseed=tonumber(string.sub(string.reverse(tostring(ceil(socket and socket.gettime()*10000 or time()))),1,6))
-randomseed(math.initialseed)
-if not os.__getenv__ then
- os.__getenv__=os.getenv
- os.__setenv__=os.setenv
- if os.env then
- local osgetenv=os.getenv
- local ossetenv=os.setenv
- local osenv=os.env local _=osenv.PATH
- function os.setenv(k,v)
- if v==nil then
- v=""
- end
- local K=upper(k)
- osenv[K]=v
- if type(v)=="table" then
- v=concat(v,";")
- end
- ossetenv(K,v)
- end
- function os.getenv(k)
- local K=upper(k)
- local v=osenv[K] or osenv[k] or osgetenv(K) or osgetenv(k)
- if v=="" then
- return nil
- else
- return v
- end
- end
- else
- local ossetenv=os.setenv
- local osgetenv=os.getenv
- local osenv={}
- function os.setenv(k,v)
- if v==nil then
- v=""
- end
- local K=upper(k)
- osenv[K]=v
- end
- function os.getenv(k)
- local K=upper(k)
- local v=osenv[K] or osgetenv(K) or osgetenv(k)
- if v=="" then
- return nil
- else
- return v
- end
- end
- local function __index(t,k)
- return os.getenv(k)
- end
- local function __newindex(t,k,v)
- os.setenv(k,v)
- end
- os.env={}
- setmetatable(os.env,{ __index=__index,__newindex=__newindex } )
- end
-end
-local execute=os.execute
-local iopopen=io.popen
-function os.resultof(command)
- local handle=iopopen(command,"r")
- if handle then
- local result=handle:read("*all") or ""
- handle:close()
- return result
- else
- return ""
- end
-end
-if not io.fileseparator then
- if find(os.getenv("PATH"),";",1,true) then
- io.fileseparator,io.pathseparator,os.type="\\",";",os.type or "mswin"
- else
- io.fileseparator,io.pathseparator,os.type="/",":",os.type or "unix"
- end
-end
-os.type=os.type or (io.pathseparator==";" and "windows") or "unix"
-os.name=os.name or (os.type=="windows" and "mswin" ) or "linux"
-if os.type=="windows" then
- os.libsuffix,os.binsuffix,os.binsuffixes='dll','exe',{ 'exe','cmd','bat' }
-else
- os.libsuffix,os.binsuffix,os.binsuffixes='so','',{ '' }
-end
-local launchers={
- windows="start %s",
- macosx="open %s",
- unix="$BROWSER %s &> /dev/null &",
-}
-function os.launch(str)
- execute(format(launchers[os.name] or launchers.unix,str))
-end
-if not os.times then
- function os.times()
- return {
- utime=os.gettimeofday(),
- stime=0,
- cutime=0,
- cstime=0,
- }
- end
-end
-local gettimeofday=os.gettimeofday or os.clock
-os.gettimeofday=gettimeofday
-local startuptime=gettimeofday()
-function os.runtime()
- return gettimeofday()-startuptime
-end
-local resolvers=os.resolvers or {}
-os.resolvers=resolvers
-setmetatable(os,{ __index=function(t,k)
- local r=resolvers[k]
- return r and r(t,k) or nil
-end })
-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
- function resolvers.platform(t,k)
- local platform,architecture="",os.getenv("PROCESSOR_ARCHITECTURE") or ""
- if find(architecture,"AMD64",1,true) then
- platform="win64"
- else
- platform="mswin"
- end
- os.setenv("MTX_PLATFORM",platform)
- os.platform=platform
- return platform
- end
-elseif name=="linux" then
- function resolvers.platform(t,k)
- local platform,architecture="",os.getenv("HOSTTYPE") or os.resultof("uname -m") or ""
- if find(architecture,"x86_64",1,true) then
- platform="linux-64"
- elseif find(architecture,"ppc",1,true) then
- platform="linux-ppc"
- else
- platform="linux"
- end
- os.setenv("MTX_PLATFORM",platform)
- os.platform=platform
- return platform
- end
-elseif name=="macosx" then
- function resolvers.platform(t,k)
- local platform,architecture="",os.resultof("echo $HOSTTYPE") or ""
- if architecture=="" then
- platform="osx-intel"
- elseif find(architecture,"i386",1,true) then
- platform="osx-intel"
- elseif find(architecture,"x86_64",1,true) 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 resolvers.platform(t,k)
- local platform,architecture="",os.resultof("uname -m") or ""
- if find(architecture,"sparc",1,true) then
- platform="solaris-sparc"
- else
- platform="solaris-intel"
- end
- os.setenv("MTX_PLATFORM",platform)
- os.platform=platform
- return platform
- end
-elseif name=="freebsd" then
- function resolvers.platform(t,k)
- local platform,architecture="",os.resultof("uname -m") or ""
- if find(architecture,"amd64",1,true) then
- platform="freebsd-amd64"
- else
- platform="freebsd"
- end
- os.setenv("MTX_PLATFORM",platform)
- os.platform=platform
- return platform
- end
-elseif name=="kfreebsd" then
- function resolvers.platform(t,k)
- local platform,architecture="",os.getenv("HOSTTYPE") or os.resultof("uname -m") or ""
- if find(architecture,"x86_64",1,true) then
- platform="kfreebsd-amd64"
- else
- platform="kfreebsd-i386"
- end
- os.setenv("MTX_PLATFORM",platform)
- os.platform=platform
- return platform
- end
-else
- function resolvers.platform(t,k)
- local platform="linux"
- os.setenv("MTX_PLATFORM",platform)
- os.platform=platform
- return platform
- end
-end
-os.newline=name=="windows" and "\013\010" or "\010"
-function resolvers.bits(t,k)
- local bits=find(os.platform,"64",1,true) and 64 or 32
- os.bits=bits
- return bits
-end
-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(date("%H")-date("!%H")))
- if delta then
- if d>0 then
- return format("+%02i:00",d)
- else
- return format("-%02i:00",-d)
- end
- else
- return 1
- end
-end
-local timeformat=format("%%s%s",os.timezone(true))
-local dateformat="!%Y-%m-%d %H:%M:%S"
-local lasttime=nil
-local lastdate=nil
-function os.fulltime(t,default)
- t=t and tonumber(t) or 0
- if t>0 then
- elseif default then
- return default
- else
- t=time()
- end
- if t~=lasttime then
- lasttime=t
- lastdate=format(timeformat,date(dateformat))
- end
- return lastdate
-end
-local dateformat="%Y-%m-%d %H:%M:%S"
-local lasttime=nil
-local lastdate=nil
-function os.localtime(t,default)
- t=t and tonumber(t) or 0
- if t>0 then
- elseif default then
- return default
- else
- t=time()
- end
- if t~=lasttime then
- lasttime=t
- lastdate=date(dateformat,t)
- end
- return lastdate
-end
-function os.converttime(t,default)
- local t=tonumber(t)
- if t and t>0 then
- return date(dateformat,t)
- else
- return default or "-"
- end
-end
-local memory={}
-local function which(filename)
- local fullname=memory[filename]
- if fullname==nil then
- local suffix=file.suffix(filename)
- local suffixes=suffix=="" and os.binsuffixes or { suffix }
- for directory in gmatch(os.getenv("PATH"),"[^"..io.pathseparator.."]+") do
- local df=file.join(directory,filename)
- for i=1,#suffixes do
- local dfs=file.addsuffix(df,suffixes[i])
- if io.exists(dfs) then
- fullname=dfs
- break
- end
- end
- end
- if not fullname then
- fullname=false
- end
- memory[filename]=fullname
- end
- return fullname
-end
-os.which=which
-os.where=which
-function os.today()
- return date("!*t")
-end
-function os.now()
- return date("!%Y-%m-%d %H:%M:%S")
-end
-if not os.sleep then
- local socket=socket
- function os.sleep(n)
- if not socket then
- socket=require("socket")
- end
- socket.sleep(n)
- end
-end
-local function isleapyear(year)
- return (year%400==0) or ((year%100~=0) and (year%4==0))
-end
-os.isleapyear=isleapyear
-local days={ 31,28,31,30,31,30,31,31,30,31,30,31 }
-local function nofdays(year,month)
- if not month then
- return isleapyear(year) and 365 or 364
- else
- return month==2 and isleapyear(year) and 29 or days[month]
- end
-end
-os.nofdays=nofdays
-function os.weekday(day,month,year)
- return date("%w",time { year=year,month=month,day=day })+1
-end
-function os.validdate(year,month,day)
- if month<1 then
- month=1
- elseif month>12 then
- month=12
- end
- if day<1 then
- day=1
- else
- local max=nofdays(year,month)
- if day>max then
- day=max
- end
- end
- return year,month,day
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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"
-}
-file=file or {}
-local file=file
-if not lfs then
- lfs=optionalrequire("lfs")
-end
-local insert,concat=table.insert,table.concat
-local match,find,gmatch=string.match,string.find,string.gmatch
-local lpegmatch=lpeg.match
-local getcurrentdir,attributes=lfs.currentdir,lfs.attributes
-local checkedsplit=string.checkedsplit
-local P,R,S,C,Cs,Cp,Cc,Ct=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Cs,lpeg.Cp,lpeg.Cc,lpeg.Ct
-local tricky=S("/\\")*P(-1)
-local attributes=lfs.attributes
-if sandbox then
- sandbox.redefine(lfs.isfile,"lfs.isfile")
- sandbox.redefine(lfs.isdir,"lfs.isdir")
-end
-function lfs.isdir(name)
- if lpegmatch(tricky,name) then
- return attributes(name,"mode")=="directory"
- else
- return attributes(name.."/.","mode")=="directory"
- end
-end
-function lfs.isfile(name)
- return attributes(name,"mode")=="file"
-end
-local colon=P(":")
-local period=P(".")
-local periods=P("..")
-local fwslash=P("/")
-local bwslash=P("\\")
-local slashes=S("\\/")
-local noperiod=1-period
-local noslashes=1-slashes
-local name=noperiod^1
-local suffix=period/""*(1-period-slashes)^1*-1
-local pattern=C((1-(slashes^1*noslashes^1*-1))^1)*P(1)
-local function pathpart(name,default)
- return name and lpegmatch(pattern,name) or default or ""
-end
-local pattern=(noslashes^0*slashes)^1*C(noslashes^1)*-1
-local function basename(name)
- return name and lpegmatch(pattern,name) or name
-end
-local pattern=(noslashes^0*slashes^1)^0*Cs((1-suffix)^1)*suffix^0
-local function nameonly(name)
- return name and lpegmatch(pattern,name) or name
-end
-local pattern=(noslashes^0*slashes)^0*(noperiod^1*period)^1*C(noperiod^1)*-1
-local function suffixonly(name)
- return name and lpegmatch(pattern,name) or ""
-end
-local pattern=(noslashes^0*slashes)^0*noperiod^1*((period*C(noperiod^1))^1)*-1+Cc("")
-local function suffixesonly(name)
- if name then
- return lpegmatch(pattern,name)
- else
- return ""
- end
-end
-file.pathpart=pathpart
-file.basename=basename
-file.nameonly=nameonly
-file.suffixonly=suffixonly
-file.suffix=suffixonly
-file.suffixesonly=suffixesonly
-file.suffixes=suffixesonly
-file.dirname=pathpart
-file.extname=suffixonly
-local drive=C(R("az","AZ"))*colon
-local path=C((noslashes^0*slashes)^0)
-local suffix=period*C(P(1-period)^0*P(-1))
-local base=C((1-suffix)^0)
-local rest=C(P(1)^0)
-drive=drive+Cc("")
-path=path+Cc("")
-base=base+Cc("")
-suffix=suffix+Cc("")
-local pattern_a=drive*path*base*suffix
-local pattern_b=path*base*suffix
-local pattern_c=C(drive*path)*C(base*suffix)
-local pattern_d=path*rest
-function file.splitname(str,splitdrive)
- if not str then
- elseif splitdrive then
- return lpegmatch(pattern_a,str)
- else
- return lpegmatch(pattern_b,str)
- end
-end
-function file.splitbase(str)
- if str then
- return lpegmatch(pattern_d,str)
- else
- return "",str
- end
-end
-function file.nametotable(str,splitdrive)
- if str then
- local path,drive,subpath,name,base,suffix=lpegmatch(pattern_c,str)
- if splitdrive then
- return {
- path=path,
- drive=drive,
- subpath=subpath,
- name=name,
- base=base,
- suffix=suffix,
- }
- else
- return {
- path=path,
- name=name,
- base=base,
- suffix=suffix,
- }
- end
- end
-end
-local pattern=Cs(((period*(1-period-slashes)^1*-1)/""+1)^1)
-function file.removesuffix(name)
- return name and lpegmatch(pattern,name)
-end
-local suffix=period/""*(1-period-slashes)^1*-1
-local pattern=Cs((noslashes^0*slashes^1)^0*((1-suffix)^1))*Cs(suffix)
-function file.addsuffix(filename,suffix,criterium)
- if not filename or not suffix or suffix=="" then
- return filename
- elseif criterium==true then
- return filename.."."..suffix
- elseif not criterium then
- local n,s=lpegmatch(pattern,filename)
- if not s or s=="" then
- return filename.."."..suffix
- else
- return filename
- end
- else
- local n,s=lpegmatch(pattern,filename)
- if s and s~="" then
- local t=type(criterium)
- if t=="table" then
- for i=1,#criterium do
- if s==criterium[i] then
- return filename
- end
- end
- elseif t=="string" then
- if s==criterium then
- return filename
- end
- end
- end
- return (n or filename).."."..suffix
- end
-end
-local suffix=period*(1-period-slashes)^1*-1
-local pattern=Cs((1-suffix)^0)
-function file.replacesuffix(name,suffix)
- if name and suffix and suffix~="" then
- return lpegmatch(pattern,name).."."..suffix
- else
- return name
- end
-end
-local reslasher=lpeg.replacer(P("\\"),"/")
-function file.reslash(str)
- return str and lpegmatch(reslasher,str)
-end
-function file.is_writable(name)
- if not name then
- elseif lfs.isdir(name) then
- name=name.."/m_t_x_t_e_s_t.tmp"
- local f=io.open(name,"wb")
- if f then
- f:close()
- os.remove(name)
- return true
- end
- elseif lfs.isfile(name) then
- local f=io.open(name,"ab")
- if f then
- f:close()
- return true
- end
- else
- local f=io.open(name,"ab")
- if f then
- f:close()
- os.remove(name)
- return true
- end
- end
- return false
-end
-local readable=P("r")*Cc(true)
-function file.is_readable(name)
- if name then
- local a=attributes(name)
- return a and lpegmatch(readable,a.permissions) or false
- else
- return false
- end
-end
-file.isreadable=file.is_readable
-file.iswritable=file.is_writable
-function file.size(name)
- if name then
- local a=attributes(name)
- return a and a.size or 0
- else
- return 0
- end
-end
-function file.splitpath(str,separator)
- return str and checkedsplit(lpegmatch(reslasher,str),separator or io.pathseparator)
-end
-function file.joinpath(tab,separator)
- return tab and concat(tab,separator or io.pathseparator)
-end
-local someslash=S("\\/")
-local stripper=Cs(P(fwslash)^0/""*reslasher)
-local isnetwork=someslash*someslash*(1-someslash)+(1-fwslash-colon)^1*colon
-local isroot=fwslash^1*-1
-local hasroot=fwslash^1
-local reslasher=lpeg.replacer(S("\\/"),"/")
-local deslasher=lpeg.replacer(S("\\/")^1,"/")
-function file.join(one,two,three,...)
- if not two then
- return one=="" and one or lpegmatch(stripper,one)
- end
- if one=="" then
- return lpegmatch(stripper,three and concat({ two,three,... },"/") or two)
- end
- if lpegmatch(isnetwork,one) then
- local one=lpegmatch(reslasher,one)
- local two=lpegmatch(deslasher,three and concat({ two,three,... },"/") or two)
- if lpegmatch(hasroot,two) then
- return one..two
- else
- return one.."/"..two
- end
- elseif lpegmatch(isroot,one) then
- local two=lpegmatch(deslasher,three and concat({ two,three,... },"/") or two)
- if lpegmatch(hasroot,two) then
- return two
- else
- return "/"..two
- end
- else
- return lpegmatch(deslasher,concat({ one,two,three,... },"/"))
- end
-end
-local drivespec=R("az","AZ")^1*colon
-local anchors=fwslash+drivespec
-local untouched=periods+(1-period)^1*P(-1)
-local mswindrive=Cs(drivespec*(bwslash/"/"+fwslash)^0)
-local mswinuncpath=(bwslash+fwslash)*(bwslash+fwslash)*Cc("//")
-local splitstarter=(mswindrive+mswinuncpath+Cc(false))*Ct(lpeg.splitat(S("/\\")^1))
-local absolute=fwslash
-function file.collapsepath(str,anchor)
- if not str then
- return
- end
- if anchor==true and not lpegmatch(anchors,str) then
- str=getcurrentdir().."/"..str
- end
- if str=="" or str=="." then
- return "."
- elseif lpegmatch(untouched,str) then
- return lpegmatch(reslasher,str)
- end
- local starter,oldelements=lpegmatch(splitstarter,str)
- local newelements={}
- local i=#oldelements
- while i>0 do
- local element=oldelements[i]
- if element=='.' then
- elseif element=='..' then
- local n=i-1
- while n>0 do
- local element=oldelements[n]
- if element~='..' and element~='.' then
- oldelements[n]='.'
- break
- else
- n=n-1
- end
- end
- if n<1 then
- insert(newelements,1,'..')
- end
- elseif element~="" then
- insert(newelements,1,element)
- end
- i=i-1
- end
- if #newelements==0 then
- return starter or "."
- elseif starter then
- return starter..concat(newelements,'/')
- elseif lpegmatch(absolute,str) then
- return "/"..concat(newelements,'/')
- else
- newelements=concat(newelements,'/')
- if anchor=="." and find(str,"^%./") then
- return "./"..newelements
- else
- return newelements
- end
- end
-end
-local validchars=R("az","09","AZ","--","..")
-local pattern_a=lpeg.replacer(1-validchars)
-local pattern_a=Cs((validchars+P(1)/"-")^1)
-local whatever=P("-")^0/""
-local pattern_b=Cs(whatever*(1-whatever*-1)^1)
-function file.robustname(str,strict)
- if str then
- str=lpegmatch(pattern_a,str) or str
- if strict then
- return lpegmatch(pattern_b,str) or str
- else
- return str
- end
- end
-end
-file.readdata=io.loaddata
-file.savedata=io.savedata
-function file.copy(oldname,newname)
- if oldname and newname then
- local data=io.loaddata(oldname)
- if data and data~="" then
- file.savedata(newname,data)
- end
- end
-end
-local letter=R("az","AZ")+S("_-+")
-local separator=P("://")
-local qualified=period^0*fwslash+letter*colon+letter^1*separator+letter^1*fwslash
-local rootbased=fwslash+letter*colon
-lpeg.patterns.qualified=qualified
-lpeg.patterns.rootbased=rootbased
-function file.is_qualified_path(filename)
- return filename and lpegmatch(qualified,filename)~=nil
-end
-function file.is_rootbased_path(filename)
- return filename and lpegmatch(rootbased,filename)~=nil
-end
-function file.strip(name,dir)
- if name then
- local b,a=match(name,"^(.-)"..dir.."(.*)$")
- return a~="" and a or name
- end
-end
-function lfs.mkdirs(path)
- local full=""
- for sub in gmatch(path,"(/*[^\\/]+)") do
- full=full..sub
- lfs.mkdir(full)
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['l-gzip']={
- version=1.001,
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-if not gzip then
- return
-end
-local suffix,suffixes=file.suffix,file.suffixes
-function gzip.load(filename)
- local f=io.open(filename,"rb")
- if not f then
- elseif suffix(filename)=="gz" then
- f:close()
- local g=gzip.open(filename,"rb")
- if g then
- local str=g:read("*all")
- g:close()
- return str
- end
- else
- local str=f:read("*all")
- f:close()
- return str
- end
-end
-function gzip.save(filename,data)
- if suffix(filename)~="gz" then
- filename=filename..".gz"
- end
- local f=io.open(filename,"wb")
- if f then
- local s=zlib.compress(data or "",9,nil,15+16)
- f:write(s)
- f:close()
- return #s
- end
-end
-function gzip.suffix(filename)
- local suffix,extra=suffixes(filename)
- local gzipped=extra=="gz"
- return suffix,gzipped
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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"
-}
-if not md5 then
- md5=optionalrequire("md5")
-end
-if not md5 then
- md5={
- sum=function(str) print("error: md5 is not loaded (sum ignored)") return str end,
- sumhexa=function(str) print("error: md5 is not loaded (sumhexa ignored)") return str end,
- }
-end
-local md5,file=md5,file
-local gsub=string.gsub
-do
- local patterns=lpeg and lpeg.patterns
- if patterns then
- local bytestoHEX=patterns.bytestoHEX
- local bytestohex=patterns.bytestohex
- local bytestodec=patterns.bytestodec
- local lpegmatch=lpeg.match
- local md5sum=md5.sum
- if not md5.HEX then function md5.HEX(str) if str then return lpegmatch(bytestoHEX,md5sum(str)) end end end
- if not md5.hex then function md5.hex(str) if str then return lpegmatch(bytestohex,md5sum(str)) end end end
- if not md5.dec then function md5.dec(str) if str then return lpegmatch(bytestodec,md5sum(str)) end end end
- end
-end
-function file.needsupdating(oldname,newname,threshold)
- local oldtime=lfs.attributes(oldname,"modification")
- if oldtime then
- local newtime=lfs.attributes(newname,"modification")
- if not newtime then
- return true
- elseif newtime>=oldtime then
- return false
- elseif oldtime-newtime<(threshold or 1) then
- return false
- else
- return true
- end
- else
- return false
- end
-end
-file.needs_updating=file.needsupdating
-function file.syncmtimes(oldname,newname)
- local oldtime=lfs.attributes(oldname,"modification")
- if oldtime and lfs.isfile(newname) then
- lfs.touch(newname,oldtime,oldtime)
- 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 -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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"
-}
-local type,select=type,select
-local find,gmatch,match,gsub,sub=string.find,string.gmatch,string.match,string.gsub,string.sub
-local concat,insert,remove,unpack=table.concat,table.insert,table.remove,table.unpack
-local lpegmatch=lpeg.match
-local P,S,R,C,Cc,Cs,Ct,Cv,V=lpeg.P,lpeg.S,lpeg.R,lpeg.C,lpeg.Cc,lpeg.Cs,lpeg.Ct,lpeg.Cv,lpeg.V
-dir=dir or {}
-local dir=dir
-local lfs=lfs
-local attributes=lfs.attributes
-local walkdir=lfs.dir
-local isdir=lfs.isdir
-local isfile=lfs.isfile
-local currentdir=lfs.currentdir
-local chdir=lfs.chdir
-local mkdir=lfs.mkdir
-local onwindows=os.type=="windows" or find(os.getenv("PATH"),";",1,true)
-if onwindows then
- local tricky=S("/\\")*P(-1)
- isdir=function(name)
- if lpegmatch(tricky,name) then
- return attributes(name,"mode")=="directory"
- else
- return attributes(name.."/.","mode")=="directory"
- end
- end
- isfile=function(name)
- return attributes(name,"mode")=="file"
- end
- lfs.isdir=isdir
- lfs.isfile=isfile
-else
- isdir=function(name)
- return attributes(name,"mode")=="directory"
- end
- isfile=function(name)
- return attributes(name,"mode")=="file"
- end
- lfs.isdir=isdir
- lfs.isfile=isfile
-end
-function dir.current()
- return (gsub(currentdir(),"\\","/"))
-end
-local function glob_pattern_function(path,patt,recurse,action)
- if isdir(path) then
- local usedpath
- if path=="/" then
- usedpath="/."
- elseif not find(path,"/$") then
- usedpath=path.."/."
- path=path.."/"
- else
- usedpath=path
- end
- local dirs
- for name in walkdir(usedpath) do
- if name~="." and name~=".." then
- local full=path..name
- local mode=attributes(full,'mode')
- if mode=='file' then
- if not patt or find(full,patt) then
- action(full)
- end
- elseif recurse and mode=="directory" then
- if not dirs then
- dirs={ full }
- else
- dirs[#dirs+1]=full
- end
- end
- end
- end
- if dirs then
- for i=1,#dirs do
- glob_pattern_function(dirs[i],patt,recurse,action)
- end
- end
- end
-end
-local function glob_pattern_table(path,patt,recurse,result)
- if not result then
- result={}
- end
- if isdir(path) then
- local usedpath
- if path=="/" then
- usedpath="/."
- elseif not find(path,"/$") then
- usedpath=path.."/."
- path=path.."/"
- else
- usedpath=path
- end
- local dirs
- for name in walkdir(usedpath) do
- if name~="." and name~=".." then
- local full=path..name
- local mode=attributes(full,'mode')
- if mode=='file' then
- if not patt or find(full,patt) then
- result[#result+1]=full
- end
- elseif recurse and mode=="directory" then
- if not dirs then
- dirs={ full }
- else
- dirs[#dirs+1]=full
- end
- end
- end
- end
- if dirs then
- for i=1,#dirs do
- glob_pattern_table(dirs[i],patt,recurse,result)
- end
- end
- end
- return result
-end
-local function globpattern(path,patt,recurse,method)
- local kind=type(method)
- if patt and sub(patt,1,-3)==path then
- patt=false
- end
- if kind=="function" then
- return glob_pattern_function(path,patt,recurse,method)
- elseif kind=="table" then
- return glob_pattern_table(path,patt,recurse,method)
- else
- return glob_pattern_table(path,patt,recurse,{})
- end
-end
-dir.globpattern=globpattern
-local function collectpattern(path,patt,recurse,result)
- local ok,scanner
- result=result or {}
- if path=="/" then
- ok,scanner,first=xpcall(function() return walkdir(path..".") end,function() end)
- else
- ok,scanner,first=xpcall(function() return walkdir(path) end,function() end)
- end
- if ok and type(scanner)=="function" then
- if not find(path,"/$") then
- path=path..'/'
- end
- for name in scanner,first do
- if name=="." then
- elseif name==".." then
- else
- 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" then
- attr.list=collectpattern(full,patt,recurse)
- result[name]=attr
- end
- end
- end
- end
- return result
-end
-dir.collectpattern=collectpattern
-local separator,pattern
-if onwindows then
- local slash=S("/\\")/"/"
- pattern={
- [1]=(Cs(P(".")+slash^1)+Cs(R("az","AZ")*P(":")*slash^0)+Cc("./"))*V(2)*V(3),
- [2]=Cs(((1-S("*?/\\"))^0*slash)^0),
- [3]=Cs(P(1)^0)
- }
-else
- pattern={
- [1]=(C(P(".")+P("/")^1)+Cc("./"))*V(2)*V(3),
- [2]=C(((1-S("*?/"))^0*P("/"))^0),
- [3]=C(P(1)^0)
- }
-end
-local filter=Cs ((
- P("**")/".*"+P("*")/"[^/]*"+P("?")/"[^/]"+P(".")/"%%."+P("+")/"%%+"+P("-")/"%%-"+P(1)
-)^0 )
-local function glob(str,t)
- if type(t)=="function" then
- if type(str)=="table" then
- for s=1,#str do
- glob(str[s],t)
- end
- elseif isfile(str) then
- t(str)
- else
- local root,path,base=lpegmatch(pattern,str)
- if root and path and base then
- local recurse=find(base,"**",1,true)
- local start=root..path
- local result=lpegmatch(filter,start..base)
- globpattern(start,result,recurse,t)
- end
- end
- else
- if type(str)=="table" then
- local t=t or {}
- for s=1,#str do
- glob(str[s],t)
- end
- return t
- elseif isfile(str) then
- if t then
- t[#t+1]=str
- return t
- else
- return { str }
- end
- else
- local root,path,base=lpegmatch(pattern,str)
- if root and path and base then
- local recurse=find(base,"**",1,true)
- local start=root..path
- local result=lpegmatch(filter,start..base)
- return globpattern(start,result,recurse,t)
- else
- return {}
- end
- end
- end
-end
-dir.glob=glob
-local function globfiles(path,recurse,func,files)
- if type(func)=="string" then
- local s=func
- func=function(name) return find(name,s) end
- end
- files=files or {}
- local noffiles=#files
- for name in walkdir(path) do
- if find(name,"^%.") then
- else
- local mode=attributes(name,'mode')
- if mode=="directory" then
- if recurse then
- globfiles(path.."/"..name,recurse,func,files)
- end
- elseif mode=="file" then
- if not func or func(name) then
- noffiles=noffiles+1
- files[noffiles]=path.."/"..name
- end
- end
- end
- end
- return files
-end
-dir.globfiles=globfiles
-function dir.ls(pattern)
- return concat(glob(pattern),"\n")
-end
-local make_indeed=true
-if onwindows then
- function dir.mkdirs(...)
- local n=select("#",...)
- local str
- if n==1 then
- str=select(1,...)
- if isdir(str) then
- return str,true
- end
- else
- str=""
- for i=1,n do
- local s=select(i,...)
- if s=="" then
- elseif str=="" then
- str=s
- else
- str=str.."/"..s
- end
- end
- end
- local pth=""
- local drive=false
- local first,middle,last=match(str,"^(//)(//*)(.*)$")
- if first then
- else
- first,last=match(str,"^(//)/*(.-)$")
- if first then
- middle,last=match(str,"([^/]+)/+(.-)$")
- if middle then
- pth="//"..middle
- else
- pth="//"..last
- last=""
- end
- else
- first,middle,last=match(str,"^([a-zA-Z]:)(/*)(.-)$")
- if first then
- pth,drive=first..middle,true
- else
- middle,last=match(str,"^(/*)(.-)$")
- if not middle then
- last=str
- end
- end
- end
- end
- for s in gmatch(last,"[^/]+") do
- if pth=="" then
- pth=s
- elseif drive then
- pth,drive=pth..s,false
- else
- pth=pth.."/"..s
- end
- if make_indeed and not isdir(pth) then
- mkdir(pth)
- end
- end
- return pth,(isdir(pth)==true)
- end
-else
- function dir.mkdirs(...)
- local n=select("#",...)
- local str,pth
- if n==1 then
- str=select(1,...)
- if isdir(str) then
- return str,true
- end
- else
- str=""
- for i=1,n do
- local s=select(i,...)
- if s and s~="" then
- if str~="" then
- str=str.."/"..s
- else
- str=s
- end
- end
- end
- end
- str=gsub(str,"/+","/")
- if find(str,"^/") then
- pth="/"
- for s in gmatch(str,"[^/]+") do
- local first=(pth=="/")
- if first then
- pth=pth..s
- else
- pth=pth.."/"..s
- end
- if make_indeed and not first and not isdir(pth) then
- mkdir(pth)
- end
- end
- else
- pth="."
- for s in gmatch(str,"[^/]+") do
- pth=pth.."/"..s
- if make_indeed and not isdir(pth) then
- mkdir(pth)
- end
- end
- end
- return pth,(isdir(pth)==true)
- end
-end
-dir.makedirs=dir.mkdirs
-do
- local chdir=sandbox and sandbox.original(chdir) or chdir
- if onwindows then
- local xcurrentdir=dir.current
- function dir.expandname(str)
- local first,nothing,last=match(str,"^(//)(//*)(.*)$")
- if first then
- first=xcurrentdir().."/"
- end
- if not first then
- first,last=match(str,"^(//)/*(.*)$")
- end
- if not first then
- first,last=match(str,"^([a-zA-Z]:)(.*)$")
- if first and not find(last,"^/") then
- local d=currentdir()
- if chdir(first) then
- first=xcurrentdir()
- end
- chdir(d)
- end
- end
- if not first then
- first,last=xcurrentdir(),str
- end
- last=gsub(last,"//","/")
- last=gsub(last,"/%./","/")
- last=gsub(last,"^/*","")
- first=gsub(first,"/*$","")
- if last=="" or last=="." then
- return first
- else
- return first.."/"..last
- end
- end
- else
- function dir.expandname(str)
- if not find(str,"^/") then
- str=currentdir().."/"..str
- end
- str=gsub(str,"//","/")
- str=gsub(str,"/%./","/")
- str=gsub(str,"(.)/%.$","%1")
- return str
- end
- end
-end
-file.expandname=dir.expandname
-local stack={}
-function dir.push(newdir)
- insert(stack,currentdir())
- if newdir and newdir~="" then
- chdir(newdir)
- end
-end
-function dir.pop()
- local d=remove(stack)
- if d then
- chdir(d)
- end
- return d
-end
-local function found(...)
- for i=1,select("#",...) do
- local path=select(i,...)
- local kind=type(path)
- if kind=="string" then
- if isdir(path) then
- return path
- end
- elseif kind=="table" then
- local path=found(unpack(path))
- if path then
- return path
- end
- end
- end
-end
-dir.found=found
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['l-unicode']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-utf=utf or (unicode and unicode.utf8) or {}
-utf.characters=utf.characters or string.utfcharacters
-utf.values=utf.values or string.utfvalues
-local type=type
-local char,byte,format,sub,gmatch=string.char,string.byte,string.format,string.sub,string.gmatch
-local concat=table.concat
-local P,C,R,Cs,Ct,Cmt,Cc,Carg,Cp=lpeg.P,lpeg.C,lpeg.R,lpeg.Cs,lpeg.Ct,lpeg.Cmt,lpeg.Cc,lpeg.Carg,lpeg.Cp
-local lpegmatch=lpeg.match
-local patterns=lpeg.patterns
-local tabletopattern=lpeg.utfchartabletopattern
-local bytepairs=string.bytepairs
-local finder=lpeg.finder
-local replacer=lpeg.replacer
-local utfvalues=utf.values
-local utfgmatch=utf.gmatch
-local p_utftype=patterns.utftype
-local p_utfstricttype=patterns.utfstricttype
-local p_utfoffset=patterns.utfoffset
-local p_utf8char=patterns.utf8character
-local p_utf8byte=patterns.utf8byte
-local p_utfbom=patterns.utfbom
-local p_newline=patterns.newline
-local p_whitespace=patterns.whitespace
-if not unicode then
- unicode={ utf=utf }
-end
-if not utf.char then
- local floor,char=math.floor,string.char
- function utf.char(n)
- if n<0x80 then
- return char(n)
- elseif n<0x800 then
- return char(
- 0xC0+floor(n/0x40),
- 0x80+(n%0x40)
- )
- elseif n<0x10000 then
- return char(
- 0xE0+floor(n/0x1000),
- 0x80+(floor(n/0x40)%0x40),
- 0x80+(n%0x40)
- )
- elseif n<0x200000 then
- return char(
- 0xF0+floor(n/0x40000),
- 0x80+(floor(n/0x1000)%0x40),
- 0x80+(floor(n/0x40)%0x40),
- 0x80+(n%0x40)
- )
- else
- return ""
- end
- end
-end
-if not utf.byte then
- local utf8byte=patterns.utf8byte
- function utf.byte(c)
- return lpegmatch(utf8byte,c)
- end
-end
-local utfchar,utfbyte=utf.char,utf.byte
-function utf.filetype(data)
- return data and lpegmatch(p_utftype,data) or "unknown"
-end
-local toentities=Cs (
- (
- patterns.utf8one+(
- patterns.utf8two+patterns.utf8three+patterns.utf8four
- )/function(s) local b=utfbyte(s) if b<127 then return s else return format("&#%X;",b) end end
- )^0
-)
-patterns.toentities=toentities
-function utf.toentities(str)
- return lpegmatch(toentities,str)
-end
-local one=P(1)
-local two=C(1)*C(1)
-local four=C(R(utfchar(0xD8),utfchar(0xFF)))*C(1)*C(1)*C(1)
-local pattern=P("\254\255")*Cs((
- four/function(a,b,c,d)
- local ab=0xFF*byte(a)+byte(b)
- local cd=0xFF*byte(c)+byte(d)
- return utfchar((ab-0xD800)*0x400+(cd-0xDC00)+0x10000)
- end+two/function(a,b)
- return utfchar(byte(a)*256+byte(b))
- end+one
- )^1 )+P("\255\254")*Cs((
- four/function(b,a,d,c)
- local ab=0xFF*byte(a)+byte(b)
- local cd=0xFF*byte(c)+byte(d)
- return utfchar((ab-0xD800)*0x400+(cd-0xDC00)+0x10000)
- end+two/function(b,a)
- return utfchar(byte(a)*256+byte(b))
- end+one
- )^1 )
-function string.toutf(s)
- return lpegmatch(pattern,s) or s
-end
-local validatedutf=Cs (
- (
- patterns.utf8one+patterns.utf8two+patterns.utf8three+patterns.utf8four+P(1)/"�"
- )^0
-)
-patterns.validatedutf=validatedutf
-function utf.is_valid(str)
- return type(str)=="string" and lpegmatch(validatedutf,str) or false
-end
-if not utf.len then
- local n,f=0,1
- local utfcharcounter=patterns.utfbom^-1*Cmt (
- Cc(1)*patterns.utf8one^1+Cc(2)*patterns.utf8two^1+Cc(3)*patterns.utf8three^1+Cc(4)*patterns.utf8four^1,
- function(_,t,d)
- n=n+(t-f)/d
- f=t
- return true
- end
- )^0
- function utf.len(str)
- n,f=0,1
- lpegmatch(utfcharcounter,str or "")
- return n
- end
-end
-utf.length=utf.len
-if not utf.sub then
- local utflength=utf.length
- local b,e,n,first,last=0,0,0,0,0
- local function slide_zero(s,p)
- n=n+1
- if n>=last then
- e=p-1
- else
- return p
- end
- end
- local function slide_one(s,p)
- n=n+1
- if n==first then
- b=p
- end
- if n>=last then
- e=p-1
- else
- return p
- end
- end
- local function slide_two(s,p)
- n=n+1
- if n==first then
- b=p
- else
- return true
- end
- end
- local pattern_zero=Cmt(p_utf8char,slide_zero)^0
- local pattern_one=Cmt(p_utf8char,slide_one )^0
- local pattern_two=Cmt(p_utf8char,slide_two )^0
- local pattern_first=C(patterns.utf8character)
- function utf.sub(str,start,stop)
- if not start then
- return str
- end
- if start==0 then
- start=1
- end
- if not stop then
- if start<0 then
- local l=utflength(str)
- start=l+start
- else
- start=start-1
- end
- b,n,first=0,0,start
- lpegmatch(pattern_two,str)
- if n>=first then
- return sub(str,b)
- else
- return ""
- end
- end
- if start<0 or stop<0 then
- local l=utf.length(str)
- if start<0 then
- start=l+start
- if start<=0 then
- start=1
- else
- start=start+1
- end
- end
- if stop<0 then
- stop=l+stop
- if stop==0 then
- stop=1
- else
- stop=stop+1
- end
- end
- end
- if start==1 and stop==1 then
- return lpegmatch(pattern_first,str) or ""
- elseif start>stop then
- return ""
- elseif start>1 then
- b,e,n,first,last=0,0,0,start-1,stop
- lpegmatch(pattern_one,str)
- if n>=first and e==0 then
- e=#str
- end
- return sub(str,b,e)
- else
- b,e,n,last=1,0,0,stop
- lpegmatch(pattern_zero,str)
- if e==0 then
- e=#str
- end
- return sub(str,b,e)
- end
- end
-end
-function utf.remapper(mapping,option,action)
- local variant=type(mapping)
- if variant=="table" then
- action=action or mapping
- if option=="dynamic" then
- local pattern=false
- table.setmetatablenewindex(mapping,function(t,k,v) rawset(t,k,v) pattern=false end)
- return function(str)
- if not str or str=="" then
- return ""
- else
- if not pattern then
- pattern=Cs((tabletopattern(mapping)/action+p_utf8char)^0)
- end
- return lpegmatch(pattern,str)
- end
- end
- elseif option=="pattern" then
- return Cs((tabletopattern(mapping)/action+p_utf8char)^0)
- else
- local pattern=Cs((tabletopattern(mapping)/action+p_utf8char)^0)
- return function(str)
- if not str or str=="" then
- return ""
- else
- return lpegmatch(pattern,str)
- end
- end,pattern
- end
- elseif variant=="function" then
- if option=="pattern" then
- return Cs((p_utf8char/mapping+p_utf8char)^0)
- else
- local pattern=Cs((p_utf8char/mapping+p_utf8char)^0)
- return function(str)
- if not str or str=="" then
- return ""
- else
- return lpegmatch(pattern,str)
- end
- end,pattern
- end
- else
- return function(str)
- return str or ""
- end
- end
-end
-function utf.replacer(t)
- local r=replacer(t,false,false,true)
- return function(str)
- return lpegmatch(r,str)
- end
-end
-function utf.subtituter(t)
- local f=finder (t)
- local r=replacer(t,false,false,true)
- return function(str)
- local i=lpegmatch(f,str)
- if not i then
- return str
- elseif i>#str then
- return str
- else
- return lpegmatch(r,str)
- end
- end
-end
-local utflinesplitter=p_utfbom^-1*lpeg.tsplitat(p_newline)
-local utfcharsplitter_ows=p_utfbom^-1*Ct(C(p_utf8char)^0)
-local utfcharsplitter_iws=p_utfbom^-1*Ct((p_whitespace^1+C(p_utf8char))^0)
-local utfcharsplitter_raw=Ct(C(p_utf8char)^0)
-patterns.utflinesplitter=utflinesplitter
-function utf.splitlines(str)
- return lpegmatch(utflinesplitter,str or "")
-end
-function utf.split(str,ignorewhitespace)
- if ignorewhitespace then
- return lpegmatch(utfcharsplitter_iws,str or "")
- else
- return lpegmatch(utfcharsplitter_ows,str or "")
- end
-end
-function utf.totable(str)
- return lpegmatch(utfcharsplitter_raw,str)
-end
-function utf.magic(f)
- local str=f:read(4) or ""
- local off=lpegmatch(p_utfoffset,str)
- if off<4 then
- f:seek('set',off)
- end
- return lpegmatch(p_utftype,str)
-end
-local utf16_to_utf8_be,utf16_to_utf8_le
-local utf32_to_utf8_be,utf32_to_utf8_le
-local utf_16_be_getbom=patterns.utfbom_16_be^-1
-local utf_16_le_getbom=patterns.utfbom_16_le^-1
-local utf_32_be_getbom=patterns.utfbom_32_be^-1
-local utf_32_le_getbom=patterns.utfbom_32_le^-1
-local utf_16_be_linesplitter=utf_16_be_getbom*lpeg.tsplitat(patterns.utf_16_be_nl)
-local utf_16_le_linesplitter=utf_16_le_getbom*lpeg.tsplitat(patterns.utf_16_le_nl)
-local utf_32_be_linesplitter=utf_32_be_getbom*lpeg.tsplitat(patterns.utf_32_be_nl)
-local utf_32_le_linesplitter=utf_32_le_getbom*lpeg.tsplitat(patterns.utf_32_le_nl)
-local more=0
-local p_utf16_to_utf8_be=C(1)*C(1)/function(left,right)
- local now=256*byte(left)+byte(right)
- if more>0 then
- now=(more-0xD800)*0x400+(now-0xDC00)+0x10000
- more=0
- return utfchar(now)
- elseif now>=0xD800 and now<=0xDBFF then
- more=now
- return ""
- else
- return utfchar(now)
- end
-end
-local p_utf16_to_utf8_le=C(1)*C(1)/function(right,left)
- local now=256*byte(left)+byte(right)
- if more>0 then
- now=(more-0xD800)*0x400+(now-0xDC00)+0x10000
- more=0
- return utfchar(now)
- elseif now>=0xD800 and now<=0xDBFF then
- more=now
- return ""
- else
- return utfchar(now)
- end
-end
-local p_utf32_to_utf8_be=C(1)*C(1)*C(1)*C(1)/function(a,b,c,d)
- return utfchar(256*256*256*byte(a)+256*256*byte(b)+256*byte(c)+byte(d))
-end
-local p_utf32_to_utf8_le=C(1)*C(1)*C(1)*C(1)/function(a,b,c,d)
- return utfchar(256*256*256*byte(d)+256*256*byte(c)+256*byte(b)+byte(a))
-end
-p_utf16_to_utf8_be=P(true)/function() more=0 end*utf_16_be_getbom*Cs(p_utf16_to_utf8_be^0)
-p_utf16_to_utf8_le=P(true)/function() more=0 end*utf_16_le_getbom*Cs(p_utf16_to_utf8_le^0)
-p_utf32_to_utf8_be=P(true)/function() more=0 end*utf_32_be_getbom*Cs(p_utf32_to_utf8_be^0)
-p_utf32_to_utf8_le=P(true)/function() more=0 end*utf_32_le_getbom*Cs(p_utf32_to_utf8_le^0)
-patterns.utf16_to_utf8_be=p_utf16_to_utf8_be
-patterns.utf16_to_utf8_le=p_utf16_to_utf8_le
-patterns.utf32_to_utf8_be=p_utf32_to_utf8_be
-patterns.utf32_to_utf8_le=p_utf32_to_utf8_le
-utf16_to_utf8_be=function(s)
- if s and s~="" then
- return lpegmatch(p_utf16_to_utf8_be,s)
- else
- return s
- end
-end
-local utf16_to_utf8_be_t=function(t)
- if not t then
- return nil
- elseif type(t)=="string" then
- t=lpegmatch(utf_16_be_linesplitter,t)
- end
- for i=1,#t do
- local s=t[i]
- if s~="" then
- t[i]=lpegmatch(p_utf16_to_utf8_be,s)
- end
- end
- return t
-end
-utf16_to_utf8_le=function(s)
- if s and s~="" then
- return lpegmatch(p_utf16_to_utf8_le,s)
- else
- return s
- end
-end
-local utf16_to_utf8_le_t=function(t)
- if not t then
- return nil
- elseif type(t)=="string" then
- t=lpegmatch(utf_16_le_linesplitter,t)
- end
- for i=1,#t do
- local s=t[i]
- if s~="" then
- t[i]=lpegmatch(p_utf16_to_utf8_le,s)
- end
- end
- return t
-end
-utf32_to_utf8_be=function(s)
- if s and s~="" then
- return lpegmatch(p_utf32_to_utf8_be,s)
- else
- return s
- end
-end
-local utf32_to_utf8_be_t=function(t)
- if not t then
- return nil
- elseif type(t)=="string" then
- t=lpegmatch(utf_32_be_linesplitter,t)
- end
- for i=1,#t do
- local s=t[i]
- if s~="" then
- t[i]=lpegmatch(p_utf32_to_utf8_be,s)
- end
- end
- return t
-end
-utf32_to_utf8_le=function(s)
- if s and s~="" then
- return lpegmatch(p_utf32_to_utf8_le,s)
- else
- return s
- end
-end
-local utf32_to_utf8_le_t=function(t)
- if not t then
- return nil
- elseif type(t)=="string" then
- t=lpegmatch(utf_32_le_linesplitter,t)
- end
- for i=1,#t do
- local s=t[i]
- if s~="" then
- t[i]=lpegmatch(p_utf32_to_utf8_le,s)
- end
- end
- return t
-end
-utf.utf16_to_utf8_le_t=utf16_to_utf8_le_t
-utf.utf16_to_utf8_be_t=utf16_to_utf8_be_t
-utf.utf32_to_utf8_le_t=utf32_to_utf8_le_t
-utf.utf32_to_utf8_be_t=utf32_to_utf8_be_t
-utf.utf16_to_utf8_le=utf16_to_utf8_le
-utf.utf16_to_utf8_be=utf16_to_utf8_be
-utf.utf32_to_utf8_le=utf32_to_utf8_le
-utf.utf32_to_utf8_be=utf32_to_utf8_be
-function utf.utf8_to_utf8_t(t)
- return type(t)=="string" and lpegmatch(utflinesplitter,t) or t
-end
-function utf.utf16_to_utf8_t(t,endian)
- return endian and utf16_to_utf8_be_t(t) or utf16_to_utf8_le_t(t) or t
-end
-function utf.utf32_to_utf8_t(t,endian)
- return endian and utf32_to_utf8_be_t(t) or utf32_to_utf8_le_t(t) or t
-end
-local function little(b)
- if b<0x10000 then
- return char(b%256,b/256)
- else
- b=b-0x10000
- local b1,b2=b/1024+0xD800,b%1024+0xDC00
- return char(b1%256,b1/256,b2%256,b2/256)
- end
-end
-local function big(b)
- if b<0x10000 then
- return char(b/256,b%256)
- else
- b=b-0x10000
- local b1,b2=b/1024+0xD800,b%1024+0xDC00
- return char(b1/256,b1%256,b2/256,b2%256)
- end
-end
-local l_remap=Cs((p_utf8byte/little+P(1)/"")^0)
-local b_remap=Cs((p_utf8byte/big+P(1)/"")^0)
-local function utf8_to_utf16_be(str,nobom)
- if nobom then
- return lpegmatch(b_remap,str)
- else
- return char(254,255)..lpegmatch(b_remap,str)
- end
-end
-local function utf8_to_utf16_le(str,nobom)
- if nobom then
- return lpegmatch(l_remap,str)
- else
- return char(255,254)..lpegmatch(l_remap,str)
- end
-end
-utf.utf8_to_utf16_be=utf8_to_utf16_be
-utf.utf8_to_utf16_le=utf8_to_utf16_le
-function utf.utf8_to_utf16(str,littleendian,nobom)
- if littleendian then
- return utf8_to_utf16_le(str,nobom)
- else
- return utf8_to_utf16_be(str,nobom)
- end
-end
-local pattern=Cs (
- (p_utf8byte/function(unicode ) return format("0x%04X",unicode) end)*(p_utf8byte*Carg(1)/function(unicode,separator) return format("%s0x%04X",separator,unicode) end)^0
-)
-function utf.tocodes(str,separator)
- return lpegmatch(pattern,str,1,separator or " ")
-end
-function utf.ustring(s)
- return format("U+%05X",type(s)=="number" and s or utfbyte(s))
-end
-function utf.xstring(s)
- return format("0x%05X",type(s)=="number" and s or utfbyte(s))
-end
-function utf.toeight(str)
- if not str or str=="" then
- return nil
- end
- local utftype=lpegmatch(p_utfstricttype,str)
- if utftype=="utf-8" then
- return sub(str,4)
- elseif utftype=="utf-16-be" then
- return utf16_to_utf8_be(str)
- elseif utftype=="utf-16-le" then
- return utf16_to_utf8_le(str)
- else
- return str
- end
-end
-local p_nany=p_utf8char/""
-if utfgmatch then
- function utf.count(str,what)
- if type(what)=="string" then
- local n=0
- for _ in utfgmatch(str,what) do
- n=n+1
- end
- return n
- else
- return #lpegmatch(Cs((P(what)/" "+p_nany)^0),str)
- end
- end
-else
- local cache={}
- function utf.count(str,what)
- if type(what)=="string" then
- local p=cache[what]
- if not p then
- p=Cs((P(what)/" "+p_nany)^0)
- cache[p]=p
- end
- return #lpegmatch(p,str)
- else
- return #lpegmatch(Cs((P(what)/" "+p_nany)^0),str)
- end
- end
-end
-if not utf.characters then
- function utf.characters(str)
- return gmatch(str,".[\128-\191]*")
- end
- string.utfcharacters=utf.characters
-end
-if not utf.values then
- local find=string.find
- local dummy=function()
- end
- function utf.values(str)
- local n=#str
- if n==0 then
- return dummy
- elseif n==1 then
- return function() return utfbyte(str) end
- else
- local p=1
- return function()
- local b,e=find(str,".[\128-\191]*",p)
- if b then
- p=e+1
- return utfbyte(sub(str,b,e))
- end
- end
- end
- end
- string.utfvalues=utf.values
-end
-function utf.chrlen(u)
- return
- (u<0x80 and 1) or
- (u<0xE0 and 2) or
- (u<0xF0 and 3) or
- (u<0xF8 and 4) or
- (u<0xFC and 5) or
- (u<0xFE and 6) or 0
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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,format,byte=string.char,string.format,string.byte
-local concat=table.concat
-local tonumber,type=tonumber,type
-local P,C,R,S,Cs,Cc,Ct,Cf,Cg,V=lpeg.P,lpeg.C,lpeg.R,lpeg.S,lpeg.Cs,lpeg.Cc,lpeg.Ct,lpeg.Cf,lpeg.Cg,lpeg.V
-local lpegmatch,lpegpatterns,replacer=lpeg.match,lpeg.patterns,lpeg.replacer
-url=url or {}
-local url=url
-local tochar=function(s) return char(tonumber(s,16)) end
-local colon=P(":")
-local qmark=P("?")
-local hash=P("#")
-local slash=P("/")
-local percent=P("%")
-local endofstring=P(-1)
-local hexdigit=R("09","AF","af")
-local plus=P("+")
-local nothing=Cc("")
-local escapedchar=(percent*C(hexdigit*hexdigit))/tochar
-local escaped=(plus/" ")+escapedchar
-local noslash=P("/")/""
-local schemestr=Cs((escaped+(1-colon-slash-qmark-hash))^2)
-local authoritystr=Cs((escaped+(1- slash-qmark-hash))^0)
-local pathstr=Cs((escaped+(1- qmark-hash))^0)
-local querystr=Cs(((1- hash))^0)
-local fragmentstr=Cs((escaped+(1- endofstring))^0)
-local scheme=schemestr*colon+nothing
-local authority=slash*slash*authoritystr+nothing
-local path=slash*pathstr+nothing
-local query=qmark*querystr+nothing
-local fragment=hash*fragmentstr+nothing
-local validurl=scheme*authority*path*query*fragment
-local parser=Ct(validurl)
-lpegpatterns.url=validurl
-lpegpatterns.urlsplitter=parser
-local escapes={}
-setmetatable(escapes,{ __index=function(t,k)
- local v=format("%%%02X",byte(k))
- t[k]=v
- return v
-end })
-local escaper=Cs((R("09","AZ","az")^1+P(" ")/"%%20"+S("-./_")^1+P(1)/escapes)^0)
-local unescaper=Cs((escapedchar+1)^0)
-local getcleaner=Cs((P("+++")/"%%2B"+P("+")/"%%20"+P(1))^1)
-lpegpatterns.urlunescaped=escapedchar
-lpegpatterns.urlescaper=escaper
-lpegpatterns.urlunescaper=unescaper
-lpegpatterns.urlgetcleaner=getcleaner
-function url.unescapeget(str)
- return lpegmatch(getcleaner,str)
-end
-local function split(str)
- return (type(str)=="string" and lpegmatch(parser,str)) or str
-end
-local isscheme=schemestr*colon*slash*slash
-local function hasscheme(str)
- if str then
- local scheme=lpegmatch(isscheme,str)
- return scheme~="" and scheme or false
- else
- return false
- end
-end
-local rootletter=R("az","AZ")+S("_-+")
-local separator=P("://")
-local qualified=P(".")^0*P("/")+rootletter*P(":")+rootletter^1*separator+rootletter^1*P("/")
-local rootbased=P("/")+rootletter*P(":")
-local barswapper=replacer("|",":")
-local backslashswapper=replacer("\\","/")
-local equal=P("=")
-local amp=P("&")
-local key=Cs(((escapedchar+1)-equal )^0)
-local value=Cs(((escapedchar+1)-amp -endofstring)^0)
-local splitquery=Cf (Ct("")*P { "sequence",
- sequence=V("pair")*(amp*V("pair"))^0,
- pair=Cg(key*equal*value),
-},rawset)
-local function hashed(str)
- if not str or str=="" then
- return {
- scheme="invalid",
- original=str,
- }
- end
- local detailed=split(str)
- local rawscheme=""
- local rawquery=""
- local somescheme=false
- local somequery=false
- if detailed then
- rawscheme=detailed[1]
- rawquery=detailed[4]
- somescheme=rawscheme~=""
- somequery=rawquery~=""
- end
- if not somescheme and not somequery then
- return {
- scheme="file",
- authority="",
- path=str,
- query="",
- fragment="",
- original=str,
- noscheme=true,
- filename=str,
- }
- end
- local authority=detailed[2]
- local path=detailed[3]
- local filename=nil
- if authority=="" then
- filename=path
- elseif path=="" then
- filename=""
- else
- filename=authority.."/"..path
- end
- return {
- scheme=rawscheme,
- authority=authority,
- path=path,
- query=lpegmatch(unescaper,rawquery),
- queries=lpegmatch(splitquery,rawquery),
- fragment=detailed[5],
- original=str,
- noscheme=false,
- filename=filename,
- }
-end
-url.split=split
-url.hasscheme=hasscheme
-url.hashed=hashed
-function url.addscheme(str,scheme)
- if hasscheme(str) then
- return str
- elseif not scheme then
- return "file:///"..str
- else
- return scheme..":///"..str
- end
-end
-function url.construct(hash)
- local fullurl,f={},0
- local scheme,authority,path,query,fragment=hash.scheme,hash.authority,hash.path,hash.query,hash.fragment
- if scheme and scheme~="" then
- f=f+1;fullurl[f]=scheme.."://"
- end
- if authority and authority~="" then
- f=f+1;fullurl[f]=authority
- end
- if path and path~="" then
- f=f+1;fullurl[f]="/"..path
- end
- if query and query~="" then
- f=f+1;fullurl[f]="?"..query
- end
- if fragment and fragment~="" then
- f=f+1;fullurl[f]="#"..fragment
- end
- return lpegmatch(escaper,concat(fullurl))
-end
-local pattern=Cs(slash^-1/""*R("az","AZ")*((S(":|")/":")+P(":"))*slash*P(1)^0)
-function url.filename(filename)
- local spec=hashed(filename)
- local path=spec.path
- return (spec.scheme=="file" and path and lpegmatch(pattern,path)) or filename
-end
-local function escapestring(str)
- return lpegmatch(escaper,str)
-end
-url.escape=escapestring
-function url.query(str)
- if type(str)=="string" then
- return lpegmatch(splitquery,str) or ""
- else
- return str
- end
-end
-function url.toquery(data)
- local td=type(data)
- if td=="string" then
- return #str and escape(data) or nil
- elseif td=="table" then
- if next(data) then
- local t={}
- for k,v in next,data do
- t[#t+1]=format("%s=%s",k,escapestring(v))
- end
- return concat(t,"&")
- end
- else
- end
-end
-local pattern=Cs(noslash^0*(1-noslash*P(-1))^0)
-function url.barepath(path)
- if not path or path=="" then
- return ""
- else
- return lpegmatch(pattern,path)
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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=""
- for k,v in next,t do
- if v then
- s=s.." "..k
- end
- end
- local n=nums[s]
- if not n then
- n=#tabs+1
- tabs[n]=t
- nums[s]=n
- end
- return n
- else
- return 0
- end
-end
-function set.totable(n)
- if n==0 then
- return {}
- else
- return tabs[n] or {}
- end
-end
-function set.tolist(n)
- if n==0 or not tabs[n] then
- return ""
- else
- local t,n={},0
- for k,v in next,tabs[n] do
- if v then
- n=n+1
- t[n]=k
- end
- end
- return concat(t," ")
- end
-end
-function set.contains(n,s)
- if type(n)=="table" then
- return n[s]
- elseif n==0 then
- return false
- else
- local t=tabs[n]
- return t and t[s]
- end
-end
-
-end -- closure
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic.lua
index 1cd0c280c6e..4b302285523 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic.lua
@@ -7,7 +7,7 @@
-- lualibs.dtx (with options: `basic')
-- This is a generated file.
--
--- Copyright (C) 2009--2016 by
+-- Copyright (C) 2009--2017 by
-- PRAGMA ADE / ConTeXt Development Team
-- The LuaLaTeX Dev Team
--
@@ -29,8 +29,8 @@ local loadmodule = lualibs.loadmodule
local lualibs_basic_module = {
name = "lualibs-basic",
- version = 2.4,
- date = "2016-04-06",
+ version = 2.5,
+ date = "2017-02-01",
description = "ConTeXt Lua libraries -- basic collection.",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux & Philipp Gesang",
copyright = "PRAGMA ADE / ConTeXt Development Team",
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua
index 81ac65e506d..bc691d53635 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua
@@ -335,6 +335,36 @@ end
dir.globfiles = globfiles
+local function globdirs(path,recurse,func,files) -- func == pattern or function
+ if type(func) == "string" then
+ local s = func
+ func = function(name) return find(name,s) end
+ end
+ files = files or { }
+ local noffiles = #files
+ for name in walkdir(path) do
+ if find(name,"^%.") then
+ --- skip
+ else
+ local mode = attributes(name,'mode')
+ if mode == "directory" then
+ if not func or func(name) then
+ noffiles = noffiles + 1
+ files[noffiles] = path .. "/" .. name
+ if recurse then
+ globdirs(path .. "/" .. name,recurse,func,files)
+ end
+ end
+ end
+ end
+ end
+ return files
+end
+
+dir.globdirs = globdirs
+
+-- inspect(globdirs("e:/tmp"))
+
-- 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")
@@ -557,9 +587,13 @@ file.expandname = dir.expandname -- for convenience
local stack = { }
function dir.push(newdir)
- insert(stack,currentdir())
+ local curdir = currentdir()
+ insert(stack,curdir)
if newdir and newdir ~= "" then
chdir(newdir)
+ return newdir
+ else
+ return curdir
end
end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended-merged.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended-merged.lua
deleted file mode 100644
index db833a05eb0..00000000000
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended-merged.lua
+++ /dev/null
@@ -1,3233 +0,0 @@
--- merged file : lualibs-extended-merged.lua
--- parent file : lualibs-extended.lua
--- merge date : Wed Apr 6 23:53:30 2016
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-str']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-utilities=utilities or {}
-utilities.strings=utilities.strings or {}
-local strings=utilities.strings
-local format,gsub,rep,sub=string.format,string.gsub,string.rep,string.sub
-local load,dump=load,string.dump
-local tonumber,type,tostring=tonumber,type,tostring
-local unpack,concat=table.unpack,table.concat
-local P,V,C,S,R,Ct,Cs,Cp,Carg,Cc=lpeg.P,lpeg.V,lpeg.C,lpeg.S,lpeg.R,lpeg.Ct,lpeg.Cs,lpeg.Cp,lpeg.Carg,lpeg.Cc
-local patterns,lpegmatch=lpeg.patterns,lpeg.match
-local utfchar,utfbyte=utf.char,utf.byte
-local loadstripped=nil
-if _LUAVERSION<5.2 then
- loadstripped=function(str,shortcuts)
- return load(str)
- end
-else
- loadstripped=function(str,shortcuts)
- if shortcuts then
- return load(dump(load(str),true),nil,nil,shortcuts)
- else
- return load(dump(load(str),true))
- end
- end
-end
-if not number then number={} end
-local stripper=patterns.stripzeros
-local newline=patterns.newline
-local endofstring=patterns.endofstring
-local whitespace=patterns.whitespace
-local spacer=patterns.spacer
-local spaceortab=patterns.spaceortab
-local function points(n)
- n=tonumber(n)
- return (not n or n==0) and "0pt" or lpegmatch(stripper,format("%.5fpt",n/65536))
-end
-local function basepoints(n)
- n=tonumber(n)
- return (not n or n==0) and "0bp" or lpegmatch(stripper,format("%.5fbp",n*(7200/7227)/65536))
-end
-number.points=points
-number.basepoints=basepoints
-local rubish=spaceortab^0*newline
-local anyrubish=spaceortab+newline
-local anything=patterns.anything
-local stripped=(spaceortab^1/"")*newline
-local leading=rubish^0/""
-local trailing=(anyrubish^1*endofstring)/""
-local redundant=rubish^3/"\n"
-local pattern=Cs(leading*(trailing+redundant+stripped+anything)^0)
-function strings.collapsecrlf(str)
- return lpegmatch(pattern,str)
-end
-local repeaters={}
-function strings.newrepeater(str,offset)
- offset=offset or 0
- local s=repeaters[str]
- if not s then
- s={}
- repeaters[str]=s
- end
- local t=s[offset]
- if t then
- return t
- end
- t={}
- setmetatable(t,{ __index=function(t,k)
- if not k then
- return ""
- end
- local n=k+offset
- local s=n>0 and rep(str,n) or ""
- t[k]=s
- return s
- end })
- s[offset]=t
- return t
-end
-local extra,tab,start=0,0,4,0
-local nspaces=strings.newrepeater(" ")
-string.nspaces=nspaces
-local pattern=Carg(1)/function(t)
- extra,tab,start=0,t or 7,1
- end*Cs((
- Cp()*patterns.tab/function(position)
- local current=(position-start+1)+extra
- local spaces=tab-(current-1)%tab
- if spaces>0 then
- extra=extra+spaces-1
- return nspaces[spaces]
- else
- return ""
- end
- end+newline*Cp()/function(position)
- extra,start=0,position
- end+patterns.anything
- )^1)
-function strings.tabtospace(str,tab)
- return lpegmatch(pattern,str,1,tab or 7)
-end
-local space=spacer^0
-local nospace=space/""
-local endofline=nospace*newline
-local stripend=(whitespace^1*endofstring)/""
-local normalline=(nospace*((1-space*(newline+endofstring))^1)*nospace)
-local stripempty=endofline^1/""
-local normalempty=endofline^1
-local singleempty=endofline*(endofline^0/"")
-local doubleempty=endofline*endofline^-1*(endofline^0/"")
-local stripstart=stripempty^0
-local p_prune_normal=Cs (stripstart*(stripend+normalline+normalempty )^0 )
-local p_prune_collapse=Cs (stripstart*(stripend+normalline+doubleempty )^0 )
-local p_prune_noempty=Cs (stripstart*(stripend+normalline+singleempty )^0 )
-local p_retain_normal=Cs ((normalline+normalempty )^0 )
-local p_retain_collapse=Cs ((normalline+doubleempty )^0 )
-local p_retain_noempty=Cs ((normalline+singleempty )^0 )
-local striplinepatterns={
- ["prune"]=p_prune_normal,
- ["prune and collapse"]=p_prune_collapse,
- ["prune and no empty"]=p_prune_noempty,
- ["retain"]=p_retain_normal,
- ["retain and collapse"]=p_retain_collapse,
- ["retain and no empty"]=p_retain_noempty,
- ["collapse"]=patterns.collapser,
-}
-setmetatable(striplinepatterns,{ __index=function(t,k) return p_prune_collapse end })
-strings.striplinepatterns=striplinepatterns
-function strings.striplines(str,how)
- return str and lpegmatch(striplinepatterns[how],str) or str
-end
-strings.striplong=strings.striplines
-function strings.nice(str)
- str=gsub(str,"[:%-+_]+"," ")
- return str
-end
-local n=0
-local sequenced=table.sequenced
-function string.autodouble(s,sep)
- if s==nil then
- return '""'
- end
- local t=type(s)
- if t=="number" then
- return tostring(s)
- end
- if t=="table" then
- return ('"'..sequenced(s,sep or ",")..'"')
- end
- return ('"'..tostring(s)..'"')
-end
-function string.autosingle(s,sep)
- if s==nil then
- return "''"
- end
- local t=type(s)
- if t=="number" then
- return tostring(s)
- end
- if t=="table" then
- return ("'"..sequenced(s,sep or ",").."'")
- end
- return ("'"..tostring(s).."'")
-end
-local tracedchars={ [0]=
- "[null]","[soh]","[stx]","[etx]","[eot]","[enq]","[ack]","[bel]",
- "[bs]","[ht]","[lf]","[vt]","[ff]","[cr]","[so]","[si]",
- "[dle]","[dc1]","[dc2]","[dc3]","[dc4]","[nak]","[syn]","[etb]",
- "[can]","[em]","[sub]","[esc]","[fs]","[gs]","[rs]","[us]",
- "[space]",
-}
-string.tracedchars=tracedchars
-strings.tracers=tracedchars
-function string.tracedchar(b)
- if type(b)=="number" then
- return tracedchars[b] or (utfchar(b).." (U+"..format("%05X",b)..")")
- else
- local c=utfbyte(b)
- return tracedchars[c] or (b.." (U+"..(c and format("%05X",c) or "?????")..")")
- end
-end
-function number.signed(i)
- if i>0 then
- return "+",i
- else
- return "-",-i
- end
-end
-local zero=P("0")^1/""
-local plus=P("+")/""
-local minus=P("-")
-local separator=S(".")
-local digit=R("09")
-local trailing=zero^1*#S("eE")
-local exponent=(S("eE")*(plus+Cs((minus*zero^0*P(-1))/"")+minus)*zero^0*(P(-1)*Cc("0")+P(1)^1))
-local pattern_a=Cs(minus^0*digit^1*(separator/""*trailing+separator*(trailing+digit)^0)*exponent)
-local pattern_b=Cs((exponent+P(1))^0)
-function number.sparseexponent(f,n)
- if not n then
- n=f
- f="%e"
- end
- local tn=type(n)
- if tn=="string" then
- local m=tonumber(n)
- if m then
- return lpegmatch((f=="%e" or f=="%E") and pattern_a or pattern_b,format(f,m))
- end
- elseif tn=="number" then
- return lpegmatch((f=="%e" or f=="%E") and pattern_a or pattern_b,format(f,n))
- end
- return tostring(n)
-end
-local template=[[
-%s
-%s
-return function(%s) return %s end
-]]
-local preamble,environment="",{}
-if _LUAVERSION<5.2 then
- preamble=[[
-local lpeg=lpeg
-local type=type
-local tostring=tostring
-local tonumber=tonumber
-local format=string.format
-local concat=table.concat
-local signed=number.signed
-local points=number.points
-local basepoints= number.basepoints
-local utfchar=utf.char
-local utfbyte=utf.byte
-local lpegmatch=lpeg.match
-local nspaces=string.nspaces
-local tracedchar=string.tracedchar
-local autosingle=string.autosingle
-local autodouble=string.autodouble
-local sequenced=table.sequenced
-local formattednumber=number.formatted
-local sparseexponent=number.sparseexponent
- ]]
-else
- environment={
- global=global or _G,
- lpeg=lpeg,
- type=type,
- tostring=tostring,
- tonumber=tonumber,
- format=string.format,
- concat=table.concat,
- signed=number.signed,
- points=number.points,
- basepoints=number.basepoints,
- utfchar=utf.char,
- utfbyte=utf.byte,
- lpegmatch=lpeg.match,
- nspaces=string.nspaces,
- tracedchar=string.tracedchar,
- autosingle=string.autosingle,
- autodouble=string.autodouble,
- sequenced=table.sequenced,
- formattednumber=number.formatted,
- sparseexponent=number.sparseexponent,
- }
-end
-local arguments={ "a1" }
-setmetatable(arguments,{ __index=function(t,k)
- local v=t[k-1]..",a"..k
- t[k]=v
- return v
- end
-})
-local prefix_any=C((S("+- .")+R("09"))^0)
-local prefix_tab=P("{")*C((1-P("}"))^0)*P("}")+C((1-R("az","AZ","09","%%"))^0)
-local format_s=function(f)
- n=n+1
- if f and f~="" then
- return format("format('%%%ss',a%s)",f,n)
- else
- return format("(a%s or '')",n)
- end
-end
-local format_S=function(f)
- n=n+1
- if f and f~="" then
- return format("format('%%%ss',tostring(a%s))",f,n)
- else
- return format("tostring(a%s)",n)
- end
-end
-local format_q=function()
- n=n+1
- return format("(a%s and format('%%q',a%s) or '')",n,n)
-end
-local format_Q=function()
- n=n+1
- return format("format('%%q',tostring(a%s))",n)
-end
-local format_i=function(f)
- n=n+1
- if f and f~="" then
- return format("format('%%%si',a%s)",f,n)
- else
- return format("format('%%i',a%s)",n)
- end
-end
-local format_d=format_i
-local format_I=function(f)
- n=n+1
- return format("format('%%s%%%si',signed(a%s))",f,n)
-end
-local format_f=function(f)
- n=n+1
- return format("format('%%%sf',a%s)",f,n)
-end
-local format_F=function(f)
- n=n+1
- if not f or f=="" then
- return format("(((a%s > -0.0000000005 and a%s < 0.0000000005) and '0') or format((a%s %% 1 == 0) and '%%i' or '%%.9f',a%s))",n,n,n,n)
- else
- return format("format((a%s %% 1 == 0) and '%%i' or '%%%sf',a%s)",n,f,n)
- end
-end
-local format_g=function(f)
- n=n+1
- return format("format('%%%sg',a%s)",f,n)
-end
-local format_G=function(f)
- n=n+1
- return format("format('%%%sG',a%s)",f,n)
-end
-local format_e=function(f)
- n=n+1
- return format("format('%%%se',a%s)",f,n)
-end
-local format_E=function(f)
- n=n+1
- return format("format('%%%sE',a%s)",f,n)
-end
-local format_j=function(f)
- n=n+1
- return format("sparseexponent('%%%se',a%s)",f,n)
-end
-local format_J=function(f)
- n=n+1
- return format("sparseexponent('%%%sE',a%s)",f,n)
-end
-local format_x=function(f)
- n=n+1
- return format("format('%%%sx',a%s)",f,n)
-end
-local format_X=function(f)
- n=n+1
- return format("format('%%%sX',a%s)",f,n)
-end
-local format_o=function(f)
- n=n+1
- return format("format('%%%so',a%s)",f,n)
-end
-local format_c=function()
- n=n+1
- return format("utfchar(a%s)",n)
-end
-local format_C=function()
- n=n+1
- return format("tracedchar(a%s)",n)
-end
-local format_r=function(f)
- n=n+1
- return format("format('%%%s.0f',a%s)",f,n)
-end
-local format_h=function(f)
- n=n+1
- if f=="-" then
- f=sub(f,2)
- return format("format('%%%sx',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
- else
- return format("format('0x%%%sx',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
- end
-end
-local format_H=function(f)
- n=n+1
- if f=="-" then
- f=sub(f,2)
- return format("format('%%%sX',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
- else
- return format("format('0x%%%sX',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
- end
-end
-local format_u=function(f)
- n=n+1
- if f=="-" then
- f=sub(f,2)
- return format("format('%%%sx',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
- else
- return format("format('u+%%%sx',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
- end
-end
-local format_U=function(f)
- n=n+1
- if f=="-" then
- f=sub(f,2)
- return format("format('%%%sX',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
- else
- return format("format('U+%%%sX',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
- end
-end
-local format_p=function()
- n=n+1
- return format("points(a%s)",n)
-end
-local format_b=function()
- n=n+1
- return format("basepoints(a%s)",n)
-end
-local format_t=function(f)
- n=n+1
- if f and f~="" then
- return format("concat(a%s,%q)",n,f)
- else
- return format("concat(a%s)",n)
- end
-end
-local format_T=function(f)
- n=n+1
- if f and f~="" then
- return format("sequenced(a%s,%q)",n,f)
- else
- return format("sequenced(a%s)",n)
- end
-end
-local format_l=function()
- n=n+1
- return format("(a%s and 'true' or 'false')",n)
-end
-local format_L=function()
- n=n+1
- return format("(a%s and 'TRUE' or 'FALSE')",n)
-end
-local format_N=function()
- n=n+1
- return format("tostring(tonumber(a%s) or a%s)",n,n)
-end
-local format_a=function(f)
- n=n+1
- if f and f~="" then
- return format("autosingle(a%s,%q)",n,f)
- else
- return format("autosingle(a%s)",n)
- end
-end
-local format_A=function(f)
- n=n+1
- if f and f~="" then
- return format("autodouble(a%s,%q)",n,f)
- else
- return format("autodouble(a%s)",n)
- end
-end
-local format_w=function(f)
- n=n+1
- f=tonumber(f)
- if f then
- return format("nspaces[%s+a%s]",f,n)
- else
- return format("nspaces[a%s]",n)
- end
-end
-local format_W=function(f)
- return format("nspaces[%s]",tonumber(f) or 0)
-end
-local digit=patterns.digit
-local period=patterns.period
-local three=digit*digit*digit
-local splitter=Cs (
- (((1-(three^1*period))^1+C(three))*(Carg(1)*three)^1+C((1-period)^1))*(P(1)/""*Carg(2))*C(2)
-)
-patterns.formattednumber=splitter
-function number.formatted(n,sep1,sep2)
- local s=type(s)=="string" and n or format("%0.2f",n)
- if sep1==true then
- return lpegmatch(splitter,s,1,".",",")
- elseif sep1=="." then
- return lpegmatch(splitter,s,1,sep1,sep2 or ",")
- elseif sep1=="," then
- return lpegmatch(splitter,s,1,sep1,sep2 or ".")
- else
- return lpegmatch(splitter,s,1,sep1 or ",",sep2 or ".")
- end
-end
-local format_m=function(f)
- n=n+1
- if not f or f=="" then
- f=","
- end
- return format([[formattednumber(a%s,%q,".")]],n,f)
-end
-local format_M=function(f)
- n=n+1
- if not f or f=="" then
- f="."
- end
- return format([[formattednumber(a%s,%q,",")]],n,f)
-end
-local format_z=function(f)
- n=n+(tonumber(f) or 1)
- return "''"
-end
-local format_rest=function(s)
- return format("%q",s)
-end
-local format_extension=function(extensions,f,name)
- local extension=extensions[name] or "tostring(%s)"
- local f=tonumber(f) or 1
- if f==0 then
- return extension
- elseif f==1 then
- n=n+1
- local a="a"..n
- return format(extension,a,a)
- elseif f<0 then
- local a="a"..(n+f+1)
- return format(extension,a,a)
- else
- local t={}
- for i=1,f do
- n=n+1
- t[#t+1]="a"..n
- end
- return format(extension,unpack(t))
- end
-end
-local builder=Cs { "start",
- start=(
- (
- P("%")/""*(
- V("!")
-+V("s")+V("q")+V("i")+V("d")+V("f")+V("F")+V("g")+V("G")+V("e")+V("E")+V("x")+V("X")+V("o")
-+V("c")+V("C")+V("S")
-+V("Q")
-+V("N")
-+V("r")+V("h")+V("H")+V("u")+V("U")+V("p")+V("b")+V("t")+V("T")+V("l")+V("L")+V("I")+V("w")
-+V("W")
-+V("a")
-+V("A")
-+V("j")+V("J")
-+V("m")+V("M")
-+V("z")
- )+V("*")
- )*(P(-1)+Carg(1))
- )^0,
- ["s"]=(prefix_any*P("s"))/format_s,
- ["q"]=(prefix_any*P("q"))/format_q,
- ["i"]=(prefix_any*P("i"))/format_i,
- ["d"]=(prefix_any*P("d"))/format_d,
- ["f"]=(prefix_any*P("f"))/format_f,
- ["F"]=(prefix_any*P("F"))/format_F,
- ["g"]=(prefix_any*P("g"))/format_g,
- ["G"]=(prefix_any*P("G"))/format_G,
- ["e"]=(prefix_any*P("e"))/format_e,
- ["E"]=(prefix_any*P("E"))/format_E,
- ["x"]=(prefix_any*P("x"))/format_x,
- ["X"]=(prefix_any*P("X"))/format_X,
- ["o"]=(prefix_any*P("o"))/format_o,
- ["S"]=(prefix_any*P("S"))/format_S,
- ["Q"]=(prefix_any*P("Q"))/format_S,
- ["N"]=(prefix_any*P("N"))/format_N,
- ["c"]=(prefix_any*P("c"))/format_c,
- ["C"]=(prefix_any*P("C"))/format_C,
- ["r"]=(prefix_any*P("r"))/format_r,
- ["h"]=(prefix_any*P("h"))/format_h,
- ["H"]=(prefix_any*P("H"))/format_H,
- ["u"]=(prefix_any*P("u"))/format_u,
- ["U"]=(prefix_any*P("U"))/format_U,
- ["p"]=(prefix_any*P("p"))/format_p,
- ["b"]=(prefix_any*P("b"))/format_b,
- ["t"]=(prefix_tab*P("t"))/format_t,
- ["T"]=(prefix_tab*P("T"))/format_T,
- ["l"]=(prefix_any*P("l"))/format_l,
- ["L"]=(prefix_any*P("L"))/format_L,
- ["I"]=(prefix_any*P("I"))/format_I,
- ["w"]=(prefix_any*P("w"))/format_w,
- ["W"]=(prefix_any*P("W"))/format_W,
- ["j"]=(prefix_any*P("j"))/format_j,
- ["J"]=(prefix_any*P("J"))/format_J,
- ["m"]=(prefix_tab*P("m"))/format_m,
- ["M"]=(prefix_tab*P("M"))/format_M,
- ["z"]=(prefix_any*P("z"))/format_z,
- ["a"]=(prefix_any*P("a"))/format_a,
- ["A"]=(prefix_any*P("A"))/format_A,
- ["*"]=Cs(((1-P("%"))^1+P("%%")/"%%")^1)/format_rest,
- ["?"]=Cs(((1-P("%"))^1 )^1)/format_rest,
- ["!"]=Carg(2)*prefix_any*P("!")*C((1-P("!"))^1)*P("!")/format_extension,
-}
-local direct=Cs (
- P("%")*(S("+- .")+R("09"))^0*S("sqidfgGeExXo")*P(-1)/[[local format = string.format return function(str) return format("%0",str) end]]
-)
-local function make(t,str)
- local f
- local p
- local p=lpegmatch(direct,str)
- if p then
- f=loadstripped(p)()
- else
- n=0
- p=lpegmatch(builder,str,1,t._connector_,t._extensions_)
- if n>0 then
- p=format(template,preamble,t._preamble_,arguments[n],p)
- f=loadstripped(p,t._environment_)()
- else
- f=function() return str end
- end
- end
- t[str]=f
- return f
-end
-local function use(t,fmt,...)
- return t[fmt](...)
-end
-strings.formatters={}
-if _LUAVERSION<5.2 then
- function strings.formatters.new(noconcat)
- local t={ _type_="formatter",_connector_=noconcat and "," or "..",_extensions_={},_preamble_=preamble,_environment_={} }
- setmetatable(t,{ __index=make,__call=use })
- return t
- end
-else
- function strings.formatters.new(noconcat)
- local e={}
- for k,v in next,environment do
- e[k]=v
- end
- local t={ _type_="formatter",_connector_=noconcat and "," or "..",_extensions_={},_preamble_="",_environment_=e }
- setmetatable(t,{ __index=make,__call=use })
- return t
- end
-end
-local formatters=strings.formatters.new()
-string.formatters=formatters
-string.formatter=function(str,...) return formatters[str](...) end
-local function add(t,name,template,preamble)
- if type(t)=="table" and t._type_=="formatter" then
- t._extensions_[name]=template or "%s"
- if type(preamble)=="string" then
- t._preamble_=preamble.."\n"..t._preamble_
- elseif type(preamble)=="table" then
- for k,v in next,preamble do
- t._environment_[k]=v
- end
- end
- end
-end
-strings.formatters.add=add
-patterns.xmlescape=Cs((P("<")/"&lt;"+P(">")/"&gt;"+P("&")/"&amp;"+P('"')/"&quot;"+P(1))^0)
-patterns.texescape=Cs((C(S("#$%\\{}"))/"\\%1"+P(1))^0)
-patterns.luaescape=Cs(((1-S('"\n'))^1+P('"')/'\\"'+P('\n')/'\\n"')^0)
-patterns.luaquoted=Cs(Cc('"')*((1-S('"\n'))^1+P('"')/'\\"'+P('\n')/'\\n"')^0*Cc('"'))
-if _LUAVERSION<5.2 then
- add(formatters,"xml",[[lpegmatch(xmlescape,%s)]],"local xmlescape = lpeg.patterns.xmlescape")
- add(formatters,"tex",[[lpegmatch(texescape,%s)]],"local texescape = lpeg.patterns.texescape")
- add(formatters,"lua",[[lpegmatch(luaescape,%s)]],"local luaescape = lpeg.patterns.luaescape")
-else
- add(formatters,"xml",[[lpegmatch(xmlescape,%s)]],{ xmlescape=lpeg.patterns.xmlescape })
- add(formatters,"tex",[[lpegmatch(texescape,%s)]],{ texescape=lpeg.patterns.texescape })
- add(formatters,"lua",[[lpegmatch(luaescape,%s)]],{ luaescape=lpeg.patterns.luaescape })
-end
-local dquote=patterns.dquote
-local equote=patterns.escaped+dquote/'\\"'+1
-local space=patterns.space
-local cquote=Cc('"')
-local pattern=Cs(dquote*(equote-P(-2))^0*dquote)
-+Cs(cquote*(equote-space)^0*space*equote^0*cquote)
-function string.optionalquoted(str)
- return lpegmatch(pattern,str) or str
-end
-local pattern=Cs((newline/(os.newline or "\r")+1)^0)
-function string.replacenewlines(str)
- return lpegmatch(pattern,str)
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-fil']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local byte=string.byte
-local extract=bit32.extract
-utilities=utilities or {}
-local files={}
-utilities.files=files
-local zerobased={}
-function files.open(filename,zb)
- local f=io.open(filename,"rb")
- if f then
- zerobased[f]=zb or false
- end
- return f
-end
-function files.close(f)
- zerobased[f]=nil
- f:close()
-end
-function files.size(f)
- return f:seek("end")
-end
-function files.setposition(f,n)
- if zerobased[f] then
- f:seek("set",n)
- else
- f:seek("set",n-1)
- end
-end
-function files.getposition(f)
- if zerobased[f] then
- return f:seek()
- else
- return f:seek()+1
- end
-end
-function files.look(f,n,chars)
- local p=f:seek()
- local s=f:read(n)
- f:seek("set",p)
- if chars then
- return s
- else
- return byte(s,1,#s)
- end
-end
-function files.skip(f,n)
- if n==1 then
- f:read(n)
- else
- f:seek("set",f:seek()+n)
- end
-end
-function files.readbyte(f)
- return byte(f:read(1))
-end
-function files.readbytes(f,n)
- return byte(f:read(n),1,n)
-end
-function files.readchar(f)
- return f:read(1)
-end
-function files.readstring(f,n)
- return f:read(n or 1)
-end
-function files.readinteger1(f)
- local n=byte(f:read(1))
- if n>=0x80 then
- return n-0xFF-1
- else
- return n
- end
-end
-files.readcardinal1=files.readbyte
-files.readcardinal=files.readcardinal1
-files.readinteger=files.readinteger1
-function files.readcardinal2(f)
- local a,b=byte(f:read(2),1,2)
- return 0x100*a+b
-end
-function files.readinteger2(f)
- local a,b=byte(f:read(2),1,2)
- local n=0x100*a+b
- if n>=0x8000 then
- return n-0xFFFF-1
- else
- return n
- end
-end
-function files.readcardinal3(f)
- local a,b,c=byte(f:read(3),1,3)
- return 0x10000*a+0x100*b+c
-end
-function files.readcardinal4(f)
- local a,b,c,d=byte(f:read(4),1,4)
- return 0x1000000*a+0x10000*b+0x100*c+d
-end
-function files.readinteger4(f)
- local a,b,c,d=byte(f:read(4),1,4)
- local n=0x1000000*a+0x10000*b+0x100*c+d
- if n>=0x8000000 then
- return n-0xFFFFFFFF-1
- else
- return n
- end
-end
-function files.readfixed4(f)
- local a,b,c,d=byte(f:read(4),1,4)
- local n=0x100*a+b
- if n>=0x8000 then
- return n-0xFFFF-1+(0x100*c+d)/0xFFFF
- else
- return n+(0x100*c+d)/0xFFFF
- end
-end
-function files.read2dot14(f)
- local a,b=byte(f:read(2),1,2)
- local n=0x100*a+b
- local m=extract(n,0,30)
- if n>0x7FFF then
- n=extract(n,30,2)
- return m/0x4000-4
- else
- n=extract(n,30,2)
- return n+m/0x4000
- end
-end
-function files.skipshort(f,n)
- f:read(2*(n or 1))
-end
-function files.skiplong(f,n)
- f:read(4*(n or 1))
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-tab']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-utilities=utilities or {}
-utilities.tables=utilities.tables or {}
-local tables=utilities.tables
-local format,gmatch,gsub,sub=string.format,string.gmatch,string.gsub,string.sub
-local concat,insert,remove,sort=table.concat,table.insert,table.remove,table.sort
-local setmetatable,getmetatable,tonumber,tostring=setmetatable,getmetatable,tonumber,tostring
-local type,next,rawset,tonumber,tostring,load,select=type,next,rawset,tonumber,tostring,load,select
-local lpegmatch,P,Cs,Cc=lpeg.match,lpeg.P,lpeg.Cs,lpeg.Cc
-local sortedkeys,sortedpairs=table.sortedkeys,table.sortedpairs
-local formatters=string.formatters
-local utftoeight=utf.toeight
-local splitter=lpeg.tsplitat(".")
-function utilities.tables.definetable(target,nofirst,nolast)
- local composed,t=nil,{}
- local snippets=lpegmatch(splitter,target)
- for i=1,#snippets-(nolast and 1 or 0) do
- local name=snippets[i]
- if composed then
- composed=composed.."."..name
- t[#t+1]=formatters["if not %s then %s = { } end"](composed,composed)
- else
- composed=name
- if not nofirst then
- t[#t+1]=formatters["%s = %s or { }"](composed,composed)
- end
- end
- end
- if composed then
- if nolast then
- composed=composed.."."..snippets[#snippets]
- end
- return concat(t,"\n"),composed
- else
- return "",target
- end
-end
-function tables.definedtable(...)
- local t=_G
- for i=1,select("#",...) do
- local li=select(i,...)
- local tl=t[li]
- if not tl then
- tl={}
- t[li]=tl
- end
- t=tl
- end
- return t
-end
-function tables.accesstable(target,root)
- local t=root or _G
- for name in gmatch(target,"([^%.]+)") do
- t=t[name]
- if not t then
- return
- end
- end
- return t
-end
-function tables.migratetable(target,v,root)
- local t=root or _G
- local names=lpegmatch(splitter,target)
- for i=1,#names-1 do
- local name=names[i]
- t[name]=t[name] or {}
- t=t[name]
- if not t then
- return
- end
- end
- t[names[#names]]=v
-end
-function tables.removevalue(t,value)
- if value then
- for i=1,#t do
- if t[i]==value then
- remove(t,i)
- end
- end
- end
-end
-function tables.replacevalue(t,oldvalue,newvalue)
- if oldvalue and newvalue then
- for i=1,#t do
- if t[i]==oldvalue then
- t[i]=newvalue
- end
- end
- end
-end
-function tables.insertbeforevalue(t,value,extra)
- for i=1,#t do
- if t[i]==extra then
- remove(t,i)
- end
- end
- for i=1,#t do
- if t[i]==value then
- insert(t,i,extra)
- return
- end
- end
- insert(t,1,extra)
-end
-function tables.insertaftervalue(t,value,extra)
- for i=1,#t do
- if t[i]==extra then
- remove(t,i)
- end
- end
- for i=1,#t do
- if t[i]==value then
- insert(t,i+1,extra)
- return
- end
- end
- insert(t,#t+1,extra)
-end
-local escape=Cs(Cc('"')*((P('"')/'""'+P(1))^0)*Cc('"'))
-function table.tocsv(t,specification)
- if t and #t>0 then
- local result={}
- local r={}
- specification=specification or {}
- local fields=specification.fields
- if type(fields)~="string" then
- fields=sortedkeys(t[1])
- end
- local separator=specification.separator or ","
- if specification.preamble==true then
- for f=1,#fields do
- r[f]=lpegmatch(escape,tostring(fields[f]))
- end
- result[1]=concat(r,separator)
- end
- for i=1,#t do
- local ti=t[i]
- for f=1,#fields do
- local field=ti[fields[f]]
- if type(field)=="string" then
- r[f]=lpegmatch(escape,field)
- else
- r[f]=tostring(field)
- end
- end
- result[#result+1]=concat(r,separator)
- end
- return concat(result,"\n")
- else
- return ""
- end
-end
-local nspaces=utilities.strings.newrepeater(" ")
-local function toxml(t,d,result,step)
- for k,v in sortedpairs(t) do
- local s=nspaces[d]
- local tk=type(k)
- local tv=type(v)
- if tv=="table" then
- if tk=="number" then
- result[#result+1]=formatters["%s<entry n='%s'>"](s,k)
- toxml(v,d+step,result,step)
- result[#result+1]=formatters["%s</entry>"](s,k)
- else
- result[#result+1]=formatters["%s<%s>"](s,k)
- toxml(v,d+step,result,step)
- result[#result+1]=formatters["%s</%s>"](s,k)
- end
- elseif tv=="string" then
- if tk=="number" then
- result[#result+1]=formatters["%s<entry n='%s'>%!xml!</entry>"](s,k,v,k)
- else
- result[#result+1]=formatters["%s<%s>%!xml!</%s>"](s,k,v,k)
- end
- elseif tk=="number" then
- result[#result+1]=formatters["%s<entry n='%s'>%S</entry>"](s,k,v,k)
- else
- result[#result+1]=formatters["%s<%s>%S</%s>"](s,k,v,k)
- end
- end
-end
-function table.toxml(t,specification)
- specification=specification or {}
- local name=specification.name
- local noroot=name==false
- local result=(specification.nobanner or noroot) and {} or { "<?xml version='1.0' standalone='yes' ?>" }
- local indent=specification.indent or 0
- local spaces=specification.spaces or 1
- if noroot then
- toxml(t,indent,result,spaces)
- else
- toxml({ [name or "data"]=t },indent,result,spaces)
- end
- return concat(result,"\n")
-end
-function tables.encapsulate(core,capsule,protect)
- if type(capsule)~="table" then
- protect=true
- capsule={}
- end
- for key,value in next,core do
- if capsule[key] then
- print(formatters["\ninvalid %s %a in %a"]("inheritance",key,core))
- os.exit()
- else
- capsule[key]=value
- end
- end
- if protect then
- for key,value in next,core do
- core[key]=nil
- end
- setmetatable(core,{
- __index=capsule,
- __newindex=function(t,key,value)
- if capsule[key] then
- print(formatters["\ninvalid %s %a' in %a"]("overload",key,core))
- os.exit()
- else
- rawset(t,key,value)
- end
- end
- } )
- end
-end
-local f_hashed_string=formatters["[%q]=%q,"]
-local f_hashed_number=formatters["[%q]=%s,"]
-local f_hashed_boolean=formatters["[%q]=%l,"]
-local f_hashed_table=formatters["[%q]="]
-local f_indexed_string=formatters["[%s]=%q,"]
-local f_indexed_number=formatters["[%s]=%s,"]
-local f_indexed_boolean=formatters["[%s]=%l,"]
-local f_indexed_table=formatters["[%s]="]
-local f_ordered_string=formatters["%q,"]
-local f_ordered_number=formatters["%s,"]
-local f_ordered_boolean=formatters["%l,"]
-function table.fastserialize(t,prefix)
- local r={ type(prefix)=="string" and prefix or "return" }
- local m=1
- local function fastserialize(t,outer)
- local n=#t
- m=m+1
- r[m]="{"
- if n>0 then
- for i=0,n do
- local v=t[i]
- local tv=type(v)
- if tv=="string" then
- m=m+1 r[m]=f_ordered_string(v)
- elseif tv=="number" then
- m=m+1 r[m]=f_ordered_number(v)
- elseif tv=="table" then
- fastserialize(v)
- elseif tv=="boolean" then
- m=m+1 r[m]=f_ordered_boolean(v)
- end
- end
- end
- for k,v in next,t do
- local tk=type(k)
- if tk=="number" then
- if k>n or k<0 then
- local tv=type(v)
- if tv=="string" then
- m=m+1 r[m]=f_indexed_string(k,v)
- elseif tv=="number" then
- m=m+1 r[m]=f_indexed_number(k,v)
- elseif tv=="table" then
- m=m+1 r[m]=f_indexed_table(k)
- fastserialize(v)
- elseif tv=="boolean" then
- m=m+1 r[m]=f_indexed_boolean(k,v)
- end
- end
- else
- local tv=type(v)
- if tv=="string" then
- m=m+1 r[m]=f_hashed_string(k,v)
- elseif tv=="number" then
- m=m+1 r[m]=f_hashed_number(k,v)
- elseif tv=="table" then
- m=m+1 r[m]=f_hashed_table(k)
- fastserialize(v)
- elseif tv=="boolean" then
- m=m+1 r[m]=f_hashed_boolean(k,v)
- end
- end
- end
- m=m+1
- if outer then
- r[m]="}"
- else
- r[m]="},"
- end
- return r
- end
- return concat(fastserialize(t,true))
-end
-function table.deserialize(str)
- if not str or str=="" then
- return
- end
- local code=load(str)
- if not code then
- return
- end
- code=code()
- if not code then
- return
- end
- return code
-end
-function table.load(filename,loader)
- if filename then
- local t=(loader or io.loaddata)(filename)
- if t and t~="" then
- local t=utftoeight(t)
- t=load(t)
- if type(t)=="function" then
- t=t()
- if type(t)=="table" then
- return t
- end
- end
- end
- end
-end
-function table.save(filename,t,n,...)
- io.savedata(filename,table.serialize(t,n==nil and true or n,...))
-end
-local f_key_value=formatters["%s=%q"]
-local f_add_table=formatters[" {%t},\n"]
-local f_return_table=formatters["return {\n%t}"]
-local function slowdrop(t)
- local r={}
- local l={}
- for i=1,#t do
- local ti=t[i]
- local j=0
- for k,v in next,ti do
- j=j+1
- l[j]=f_key_value(k,v)
- end
- r[i]=f_add_table(l)
- end
- return f_return_table(r)
-end
-local function fastdrop(t)
- local r={ "return {\n" }
- local m=1
- for i=1,#t do
- local ti=t[i]
- m=m+1 r[m]=" {"
- for k,v in next,ti do
- m=m+1 r[m]=f_key_value(k,v)
- end
- m=m+1 r[m]="},\n"
- end
- m=m+1
- r[m]="}"
- return concat(r)
-end
-function table.drop(t,slow)
- if #t==0 then
- return "return { }"
- elseif slow==true then
- return slowdrop(t)
- else
- return fastdrop(t)
- end
-end
-function table.autokey(t,k)
- local v={}
- t[k]=v
- return v
-end
-local selfmapper={ __index=function(t,k) t[k]=k return k end }
-function table.twowaymapper(t)
- if not t then
- t={}
- else
- for i=0,#t do
- local ti=t[i]
- if ti then
- local i=tostring(i)
- t[i]=ti
- t[ti]=i
- end
- end
- t[""]=t[0] or ""
- end
- setmetatable(t,selfmapper)
- return t
-end
-local f_start_key_idx=formatters["%w{"]
-local f_start_key_num=formatters["%w[%s]={"]
-local f_start_key_str=formatters["%w[%q]={"]
-local f_start_key_boo=formatters["%w[%l]={"]
-local f_start_key_nop=formatters["%w{"]
-local f_stop=formatters["%w},"]
-local f_key_num_value_num=formatters["%w[%s]=%s,"]
-local f_key_str_value_num=formatters["%w[%q]=%s,"]
-local f_key_boo_value_num=formatters["%w[%l]=%s,"]
-local f_key_num_value_str=formatters["%w[%s]=%q,"]
-local f_key_str_value_str=formatters["%w[%q]=%q,"]
-local f_key_boo_value_str=formatters["%w[%l]=%q,"]
-local f_key_num_value_boo=formatters["%w[%s]=%l,"]
-local f_key_str_value_boo=formatters["%w[%q]=%l,"]
-local f_key_boo_value_boo=formatters["%w[%l]=%l,"]
-local f_key_num_value_not=formatters["%w[%s]={},"]
-local f_key_str_value_not=formatters["%w[%q]={},"]
-local f_key_boo_value_not=formatters["%w[%l]={},"]
-local f_key_num_value_seq=formatters["%w[%s]={ %, t },"]
-local f_key_str_value_seq=formatters["%w[%q]={ %, t },"]
-local f_key_boo_value_seq=formatters["%w[%l]={ %, t },"]
-local f_val_num=formatters["%w%s,"]
-local f_val_str=formatters["%w%q,"]
-local f_val_boo=formatters["%w%l,"]
-local f_val_not=formatters["%w{},"]
-local f_val_seq=formatters["%w{ %, t },"]
-local f_fin_seq=formatters[" %, t }"]
-local f_table_return=formatters["return {"]
-local f_table_name=formatters["%s={"]
-local f_table_direct=formatters["{"]
-local f_table_entry=formatters["[%q]={"]
-local f_table_finish=formatters["}"]
-local spaces=utilities.strings.newrepeater(" ")
-local original_serialize=table.serialize
-local function serialize(root,name,specification)
- if type(specification)=="table" then
- return original_serialize(root,name,specification)
- end
- local t
- local n=1
- local unknown=false
- local function simple_table(t)
- local nt=#t
- if nt>0 then
- local n=0
- for _,v in next,t do
- n=n+1
- if type(v)=="table" then
- return nil
- end
- end
- local haszero=t[0]
- if n==nt then
- local tt={}
- for i=1,nt do
- local v=t[i]
- local tv=type(v)
- if tv=="number" then
- tt[i]=v
- elseif tv=="string" then
- tt[i]=format("%q",v)
- elseif tv=="boolean" then
- tt[i]=v and "true" or "false"
- else
- return nil
- end
- end
- return tt
- elseif haszero and (n==nt+1) then
- local tt={}
- for i=0,nt do
- local v=t[i]
- local tv=type(v)
- if tv=="number" then
- tt[i+1]=v
- elseif tv=="string" then
- tt[i+1]=format("%q",v)
- elseif tv=="boolean" then
- tt[i+1]=v and "true" or "false"
- else
- return nil
- end
- end
- tt[1]="[0] = "..tt[1]
- return tt
- end
- end
- return nil
- end
- local function do_serialize(root,name,depth,level,indexed)
- if level>0 then
- n=n+1
- if indexed then
- t[n]=f_start_key_idx(depth)
- else
- local tn=type(name)
- if tn=="number" then
- t[n]=f_start_key_num(depth,name)
- elseif tn=="string" then
- t[n]=f_start_key_str(depth,name)
- elseif tn=="boolean" then
- t[n]=f_start_key_boo(depth,name)
- else
- t[n]=f_start_key_nop(depth)
- end
- end
- depth=depth+1
- end
- if root and next(root)~=nil then
- local first=nil
- local last=0
- last=#root
- for k=1,last do
- if root[k]==nil then
- last=k-1
- break
- end
- end
- if last>0 then
- first=1
- end
- local sk=sortedkeys(root)
- for i=1,#sk do
- local k=sk[i]
- local v=root[k]
- local tv=type(v)
- local tk=type(k)
- if first and tk=="number" and k<=last and k>=first then
- if tv=="number" then
- n=n+1 t[n]=f_val_num(depth,v)
- elseif tv=="string" then
- n=n+1 t[n]=f_val_str(depth,v)
- elseif tv=="table" then
- if next(v)==nil then
- n=n+1 t[n]=f_val_not(depth)
- else
- local st=simple_table(v)
- if st then
- n=n+1 t[n]=f_val_seq(depth,st)
- else
- do_serialize(v,k,depth,level+1,true)
- end
- end
- elseif tv=="boolean" then
- n=n+1 t[n]=f_val_boo(depth,v)
- elseif unknown then
- n=n+1 t[n]=f_val_str(depth,tostring(v))
- end
- elseif tv=="number" then
- if tk=="number" then
- n=n+1 t[n]=f_key_num_value_num(depth,k,v)
- elseif tk=="string" then
- n=n+1 t[n]=f_key_str_value_num(depth,k,v)
- elseif tk=="boolean" then
- n=n+1 t[n]=f_key_boo_value_num(depth,k,v)
- elseif unknown then
- n=n+1 t[n]=f_key_str_value_num(depth,tostring(k),v)
- end
- elseif tv=="string" then
- if tk=="number" then
- n=n+1 t[n]=f_key_num_value_str(depth,k,v)
- elseif tk=="string" then
- n=n+1 t[n]=f_key_str_value_str(depth,k,v)
- elseif tk=="boolean" then
- n=n+1 t[n]=f_key_boo_value_str(depth,k,v)
- elseif unknown then
- n=n+1 t[n]=f_key_str_value_str(depth,tostring(k),v)
- end
- elseif tv=="table" then
- if next(v)==nil then
- if tk=="number" then
- n=n+1 t[n]=f_key_num_value_not(depth,k)
- elseif tk=="string" then
- n=n+1 t[n]=f_key_str_value_not(depth,k)
- elseif tk=="boolean" then
- n=n+1 t[n]=f_key_boo_value_not(depth,k)
- elseif unknown then
- n=n+1 t[n]=f_key_str_value_not(depth,tostring(k))
- end
- else
- local st=simple_table(v)
- if not st then
- do_serialize(v,k,depth,level+1)
- elseif tk=="number" then
- n=n+1 t[n]=f_key_num_value_seq(depth,k,st)
- elseif tk=="string" then
- n=n+1 t[n]=f_key_str_value_seq(depth,k,st)
- elseif tk=="boolean" then
- n=n+1 t[n]=f_key_boo_value_seq(depth,k,st)
- elseif unknown then
- n=n+1 t[n]=f_key_str_value_seq(depth,tostring(k),st)
- end
- end
- elseif tv=="boolean" then
- if tk=="number" then
- n=n+1 t[n]=f_key_num_value_boo(depth,k,v)
- elseif tk=="string" then
- n=n+1 t[n]=f_key_str_value_boo(depth,k,v)
- elseif tk=="boolean" then
- n=n+1 t[n]=f_key_boo_value_boo(depth,k,v)
- elseif unknown then
- n=n+1 t[n]=f_key_str_value_boo(depth,tostring(k),v)
- end
- else
- if tk=="number" then
- n=n+1 t[n]=f_key_num_value_str(depth,k,tostring(v))
- elseif tk=="string" then
- n=n+1 t[n]=f_key_str_value_str(depth,k,tostring(v))
- elseif tk=="boolean" then
- n=n+1 t[n]=f_key_boo_value_str(depth,k,tostring(v))
- elseif unknown then
- n=n+1 t[n]=f_key_str_value_str(depth,tostring(k),tostring(v))
- end
- end
- end
- end
- if level>0 then
- n=n+1 t[n]=f_stop(depth-1)
- end
- end
- local tname=type(name)
- if tname=="string" then
- if name=="return" then
- t={ f_table_return() }
- else
- t={ f_table_name(name) }
- end
- elseif tname=="number" then
- t={ f_table_entry(name) }
- elseif tname=="boolean" then
- if name then
- t={ f_table_return() }
- else
- t={ f_table_direct() }
- end
- else
- t={ f_table_name("t") }
- end
- if root then
- if getmetatable(root) then
- local dummy=root._w_h_a_t_e_v_e_r_
- root._w_h_a_t_e_v_e_r_=nil
- end
- if next(root)~=nil then
- local st=simple_table(root)
- if st then
- return t[1]..f_fin_seq(st)
- else
- do_serialize(root,name,1,0)
- end
- end
- end
- n=n+1
- t[n]=f_table_finish()
- return concat(t,"\n")
-end
-table.serialize=serialize
-if setinspector then
- setinspector("table",function(v) if type(v)=="table" then print(serialize(v,"table",{})) return true end end)
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-sto']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local setmetatable,getmetatable,type=setmetatable,getmetatable,type
-utilities=utilities or {}
-utilities.storage=utilities.storage or {}
-local storage=utilities.storage
-function storage.mark(t)
- if not t then
- print("\nfatal error: storage cannot be marked\n")
- os.exit()
- return
- end
- local m=getmetatable(t)
- if not m then
- m={}
- setmetatable(t,m)
- end
- m.__storage__=true
- return t
-end
-function storage.allocate(t)
- t=t or {}
- local m=getmetatable(t)
- if not m then
- m={}
- setmetatable(t,m)
- end
- m.__storage__=true
- return t
-end
-function storage.marked(t)
- local m=getmetatable(t)
- return m and m.__storage__
-end
-function storage.checked(t)
- if not t then
- report("\nfatal error: storage has not been allocated\n")
- os.exit()
- return
- end
- return t
-end
-function storage.setinitializer(data,initialize)
- local m=getmetatable(data) or {}
- m.__index=function(data,k)
- m.__index=nil
- initialize()
- return data[k]
- end
- setmetatable(data,m)
-end
-local keyisvalue={ __index=function(t,k)
- t[k]=k
- return k
-end }
-function storage.sparse(t)
- t=t or {}
- setmetatable(t,keyisvalue)
- return t
-end
-local function f_empty () return "" end
-local function f_self (t,k) t[k]=k return k end
-local function f_table (t,k) local v={} t[k]=v return v end
-local function f_number(t,k) t[k]=0 return 0 end
-local function f_ignore() end
-local f_index={
- ["empty"]=f_empty,
- ["self"]=f_self,
- ["table"]=f_table,
- ["number"]=f_number,
-}
-function table.setmetatableindex(t,f)
- if type(t)~="table" then
- f,t=t,{}
- end
- local m=getmetatable(t)
- local i=f_index[f] or f
- if m then
- m.__index=i
- else
- setmetatable(t,{ __index=i })
- end
- return t
-end
-local f_index={
- ["ignore"]=f_ignore,
-}
-function table.setmetatablenewindex(t,f)
- if type(t)~="table" then
- f,t=t,{}
- end
- local m=getmetatable(t)
- local i=f_index[f] or f
- if m then
- m.__newindex=i
- else
- setmetatable(t,{ __newindex=i })
- end
- return t
-end
-function table.setmetatablecall(t,f)
- if type(t)~="table" then
- f,t=t,{}
- end
- local m=getmetatable(t)
- if m then
- m.__call=f
- else
- setmetatable(t,{ __call=f })
- end
- return t
-end
-function table.setmetatablekey(t,key,value)
- local m=getmetatable(t)
- if not m then
- m={}
- setmetatable(t,m)
- end
- m[key]=value
- return t
-end
-function table.getmetatablekey(t,key,value)
- local m=getmetatable(t)
- return m and m[key]
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-prs']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local lpeg,table,string=lpeg,table,string
-local P,R,V,S,C,Ct,Cs,Carg,Cc,Cg,Cf,Cp=lpeg.P,lpeg.R,lpeg.V,lpeg.S,lpeg.C,lpeg.Ct,lpeg.Cs,lpeg.Carg,lpeg.Cc,lpeg.Cg,lpeg.Cf,lpeg.Cp
-local lpegmatch,lpegpatterns=lpeg.match,lpeg.patterns
-local concat,gmatch,find=table.concat,string.gmatch,string.find
-local tostring,type,next,rawset=tostring,type,next,rawset
-local mod,div=math.mod,math.div
-utilities=utilities or {}
-local parsers=utilities.parsers or {}
-utilities.parsers=parsers
-local patterns=parsers.patterns or {}
-parsers.patterns=patterns
-local setmetatableindex=table.setmetatableindex
-local sortedhash=table.sortedhash
-local sortedkeys=table.sortedkeys
-local tohash=table.tohash
-local hashes={}
-utilities.parsers.hashes=hashes
-local digit=R("09")
-local space=P(' ')
-local equal=P("=")
-local comma=P(",")
-local lbrace=P("{")
-local rbrace=P("}")
-local lparent=P("(")
-local rparent=P(")")
-local period=S(".")
-local punctuation=S(".,:;")
-local spacer=lpegpatterns.spacer
-local whitespace=lpegpatterns.whitespace
-local newline=lpegpatterns.newline
-local anything=lpegpatterns.anything
-local endofstring=lpegpatterns.endofstring
-local nobrace=1-(lbrace+rbrace )
-local noparent=1-(lparent+rparent)
-local escape,left,right=P("\\"),P('{'),P('}')
-lpegpatterns.balanced=P {
- [1]=((escape*(left+right))+(1-(left+right))+V(2))^0,
- [2]=left*V(1)*right
-}
-local nestedbraces=P { lbrace*(nobrace+V(1))^0*rbrace }
-local nestedparents=P { lparent*(noparent+V(1))^0*rparent }
-local spaces=space^0
-local argument=Cs((lbrace/"")*((nobrace+nestedbraces)^0)*(rbrace/""))
-local content=(1-endofstring)^0
-lpegpatterns.nestedbraces=nestedbraces
-lpegpatterns.nestedparents=nestedparents
-lpegpatterns.nested=nestedbraces
-lpegpatterns.argument=argument
-lpegpatterns.content=content
-local value=P(lbrace*C((nobrace+nestedbraces)^0)*rbrace)+C((nestedbraces+(1-comma))^0)
-local key=C((1-equal-comma)^1)
-local pattern_a=(space+comma)^0*(key*equal*value+key*C(""))
-local pattern_c=(space+comma)^0*(key*equal*value)
-local key=C((1-space-equal-comma)^1)
-local pattern_b=spaces*comma^0*spaces*(key*((spaces*equal*spaces*value)+C("")))
-local hash={}
-local function set(key,value)
- hash[key]=value
-end
-local pattern_a_s=(pattern_a/set)^1
-local pattern_b_s=(pattern_b/set)^1
-local pattern_c_s=(pattern_c/set)^1
-patterns.settings_to_hash_a=pattern_a_s
-patterns.settings_to_hash_b=pattern_b_s
-patterns.settings_to_hash_c=pattern_c_s
-function parsers.make_settings_to_hash_pattern(set,how)
- if how=="strict" then
- return (pattern_c/set)^1
- elseif how=="tolerant" then
- return (pattern_b/set)^1
- else
- return (pattern_a/set)^1
- end
-end
-function parsers.settings_to_hash(str,existing)
- if not str or str=="" then
- return {}
- elseif type(str)=="table" then
- if existing then
- for k,v in next,str do
- existing[k]=v
- end
- return exiting
- else
- return str
- end
- else
- hash=existing or {}
- lpegmatch(pattern_a_s,str)
- return hash
- end
-end
-function parsers.settings_to_hash_tolerant(str,existing)
- if not str or str=="" then
- return {}
- elseif type(str)=="table" then
- if existing then
- for k,v in next,str do
- existing[k]=v
- end
- return exiting
- else
- return str
- end
- else
- hash=existing or {}
- lpegmatch(pattern_b_s,str)
- return hash
- end
-end
-function parsers.settings_to_hash_strict(str,existing)
- if not str or str=="" then
- return nil
- elseif type(str)=="table" then
- if existing then
- for k,v in next,str do
- existing[k]=v
- end
- return exiting
- else
- return str
- end
- elseif str and str~="" then
- hash=existing or {}
- lpegmatch(pattern_c_s,str)
- return next(hash) and hash
- end
-end
-local separator=comma*space^0
-local value=P(lbrace*C((nobrace+nestedbraces)^0)*rbrace)+C((nestedbraces+(1-comma))^0)
-local pattern=spaces*Ct(value*(separator*value)^0)
-patterns.settings_to_array=pattern
-function parsers.settings_to_array(str,strict)
- if not str or str=="" then
- return {}
- elseif type(str)=="table" then
- return str
- elseif strict then
- if find(str,"{",1,true) then
- return lpegmatch(pattern,str)
- else
- return { str }
- end
- elseif find(str,",",1,true) then
- return lpegmatch(pattern,str)
- else
- return { str }
- end
-end
-local cache_a={}
-local cache_b={}
-function parsers.groupedsplitat(symbol,withaction)
- if not symbol then
- symbol=","
- end
- local pattern=(withaction and cache_b or cache_a)[symbol]
- if not pattern then
- local symbols=S(symbol)
- local separator=space^0*symbols*space^0
- local value=P(lbrace*C((nobrace+nestedbraces)^0)*rbrace)+C((nestedbraces+(1-(space^0*(symbols+P(-1)))))^0)
- if withaction then
- local withvalue=Carg(1)*value/function(f,s) return f(s) end
- pattern=spaces*withvalue*(separator*withvalue)^0
- cache_b[symbol]=pattern
- else
- pattern=spaces*Ct(value*(separator*value)^0)
- cache_a[symbol]=pattern
- end
- end
- return pattern
-end
-local pattern_a=parsers.groupedsplitat(",",false)
-local pattern_b=parsers.groupedsplitat(",",true)
-function parsers.stripped_settings_to_array(str)
- if not str or str=="" then
- return {}
- else
- return lpegmatch(pattern_a,str)
- end
-end
-function parsers.process_stripped_settings(str,action)
- if not str or str=="" then
- return {}
- else
- return lpegmatch(pattern_b,str,1,action)
- end
-end
-local function set(t,v)
- t[#t+1]=v
-end
-local value=P(Carg(1)*value)/set
-local pattern=value*(separator*value)^0*Carg(1)
-function parsers.add_settings_to_array(t,str)
- return lpegmatch(pattern,str,nil,t)
-end
-function parsers.hash_to_string(h,separator,yes,no,strict,omit)
- if h then
- local t,tn,s={},0,sortedkeys(h)
- omit=omit and tohash(omit)
- for i=1,#s do
- local key=s[i]
- if not omit or not omit[key] then
- local value=h[key]
- if type(value)=="boolean" then
- if yes and no then
- if value then
- tn=tn+1
- t[tn]=key..'='..yes
- elseif not strict then
- tn=tn+1
- t[tn]=key..'='..no
- end
- elseif value or not strict then
- tn=tn+1
- t[tn]=key..'='..tostring(value)
- end
- else
- tn=tn+1
- t[tn]=key..'='..value
- end
- end
- end
- return concat(t,separator or ",")
- else
- return ""
- end
-end
-function parsers.array_to_string(a,separator)
- if a then
- return concat(a,separator or ",")
- else
- return ""
- end
-end
-local pattern=Cf(Ct("")*Cg(C((1-S(", "))^1)*S(", ")^0*Cc(true))^1,rawset)
-function utilities.parsers.settings_to_set(str)
- return str and lpegmatch(pattern,str) or {}
-end
-hashes.settings_to_set=table.setmetatableindex(function(t,k)
- local v=k and lpegmatch(pattern,k) or {}
- t[k]=v
- return v
-end)
-getmetatable(hashes.settings_to_set).__mode="kv"
-function parsers.simple_hash_to_string(h,separator)
- local t,tn={},0
- for k,v in sortedhash(h) do
- if v then
- tn=tn+1
- t[tn]=k
- end
- end
- return concat(t,separator or ",")
-end
-local str=Cs(lpegpatterns.unquoted)+C((1-whitespace-equal)^1)
-local setting=Cf(Carg(1)*(whitespace^0*Cg(str*whitespace^0*(equal*whitespace^0*str+Cc(""))))^1,rawset)
-local splitter=setting^1
-function utilities.parsers.options_to_hash(str,target)
- return str and lpegmatch(splitter,str,1,target or {}) or {}
-end
-local splitter=lpeg.tsplitat(" ")
-function utilities.parsers.options_to_array(str)
- return str and lpegmatch(splitter,str) or {}
-end
-local value=P(lbrace*C((nobrace+nestedbraces)^0)*rbrace)+C(digit^1*lparent*(noparent+nestedparents)^1*rparent)+C((nestedbraces+(1-comma))^1)
-local pattern_a=spaces*Ct(value*(separator*value)^0)
-local function repeater(n,str)
- if not n then
- return str
- else
- local s=lpegmatch(pattern_a,str)
- if n==1 then
- return unpack(s)
- else
- local t,tn={},0
- for i=1,n do
- for j=1,#s do
- tn=tn+1
- t[tn]=s[j]
- end
- end
- return unpack(t)
- end
- end
-end
-local value=P(lbrace*C((nobrace+nestedbraces)^0)*rbrace)+(C(digit^1)/tonumber*lparent*Cs((noparent+nestedparents)^1)*rparent)/repeater+C((nestedbraces+(1-comma))^1)
-local pattern_b=spaces*Ct(value*(separator*value)^0)
-function parsers.settings_to_array_with_repeat(str,expand)
- if expand then
- return lpegmatch(pattern_b,str) or {}
- else
- return lpegmatch(pattern_a,str) or {}
- end
-end
-local value=lbrace*C((nobrace+nestedbraces)^0)*rbrace
-local pattern=Ct((space+value)^0)
-function parsers.arguments_to_table(str)
- return lpegmatch(pattern,str)
-end
-function parsers.getparameters(self,class,parentclass,settings)
- local sc=self[class]
- if not sc then
- sc={}
- self[class]=sc
- if parentclass then
- local sp=self[parentclass]
- if not sp then
- sp={}
- self[parentclass]=sp
- end
- setmetatableindex(sc,sp)
- end
- end
- parsers.settings_to_hash(settings,sc)
-end
-function parsers.listitem(str)
- return gmatch(str,"[^, ]+")
-end
-local pattern=Cs { "start",
- start=V("one")+V("two")+V("three"),
- rest=(Cc(",")*V("thousand"))^0*(P(".")+endofstring)*anything^0,
- thousand=digit*digit*digit,
- one=digit*V("rest"),
- two=digit*digit*V("rest"),
- three=V("thousand")*V("rest"),
-}
-lpegpatterns.splitthousands=pattern
-function parsers.splitthousands(str)
- return lpegmatch(pattern,str) or str
-end
-local optionalwhitespace=whitespace^0
-lpegpatterns.words=Ct((Cs((1-punctuation-whitespace)^1)+anything)^1)
-lpegpatterns.sentences=Ct((optionalwhitespace*Cs((1-period)^0*period))^1)
-lpegpatterns.paragraphs=Ct((optionalwhitespace*Cs((whitespace^1*endofstring/""+1-(spacer^0*newline*newline))^1))^1)
-local dquote=P('"')
-local equal=P('=')
-local escape=P('\\')
-local separator=S(' ,')
-local key=C((1-equal)^1)
-local value=dquote*C((1-dquote-escape*dquote)^0)*dquote
-local pattern=Cf(Ct("")*(Cg(key*equal*value)*separator^0)^1,rawset)^0*P(-1)
-function parsers.keq_to_hash(str)
- if str and str~="" then
- return lpegmatch(pattern,str)
- else
- return {}
- end
-end
-local defaultspecification={ separator=",",quote='"' }
-function parsers.csvsplitter(specification)
- specification=specification and setmetatableindex(specification,defaultspecification) or defaultspecification
- local separator=specification.separator
- local quotechar=specification.quote
- local separator=S(separator~="" and separator or ",")
- local whatever=C((1-separator-newline)^0)
- if quotechar and quotechar~="" then
- local quotedata=nil
- for chr in gmatch(quotechar,".") do
- local quotechar=P(chr)
- local quoteword=quotechar*C((1-quotechar)^0)*quotechar
- if quotedata then
- quotedata=quotedata+quoteword
- else
- quotedata=quoteword
- end
- end
- whatever=quotedata+whatever
- end
- local parser=Ct((Ct(whatever*(separator*whatever)^0)*S("\n\r")^1)^0 )
- return function(data)
- return lpegmatch(parser,data)
- end
-end
-function parsers.rfc4180splitter(specification)
- specification=specification and setmetatableindex(specification,defaultspecification) or defaultspecification
- local separator=specification.separator
- local quotechar=P(specification.quote)
- local dquotechar=quotechar*quotechar
-/specification.quote
- local separator=S(separator~="" and separator or ",")
- local escaped=quotechar*Cs((dquotechar+(1-quotechar))^0)*quotechar
- local non_escaped=C((1-quotechar-newline-separator)^1)
- local field=escaped+non_escaped+Cc("")
- local record=Ct(field*(separator*field)^1)
- local headerline=record*Cp()
- local wholeblob=Ct((newline^(specification.strict and -1 or 1)*record)^0)
- return function(data,getheader)
- if getheader then
- local header,position=lpegmatch(headerline,data)
- local data=lpegmatch(wholeblob,data,position)
- return data,header
- else
- return lpegmatch(wholeblob,data)
- end
- end
-end
-local function ranger(first,last,n,action)
- if not first then
- elseif last==true then
- for i=first,n or first do
- action(i)
- end
- elseif last then
- for i=first,last do
- action(i)
- end
- else
- action(first)
- end
-end
-local cardinal=lpegpatterns.cardinal/tonumber
-local spacers=lpegpatterns.spacer^0
-local endofstring=lpegpatterns.endofstring
-local stepper=spacers*(C(cardinal)*(spacers*S(":-")*spacers*(C(cardinal)+Cc(true) )+Cc(false) )*Carg(1)*Carg(2)/ranger*S(", ")^0 )^1
-local stepper=spacers*(C(cardinal)*(spacers*S(":-")*spacers*(C(cardinal)+(P("*")+endofstring)*Cc(true) )+Cc(false) )*Carg(1)*Carg(2)/ranger*S(", ")^0 )^1*endofstring
-function parsers.stepper(str,n,action)
- if type(n)=="function" then
- lpegmatch(stepper,str,1,false,n or print)
- else
- lpegmatch(stepper,str,1,n,action or print)
- end
-end
-local pattern_math=Cs((P("%")/"\\percent "+P("^")*Cc("{")*lpegpatterns.integer*Cc("}")+anything)^0)
-local pattern_text=Cs((P("%")/"\\percent "+(P("^")/"\\high")*Cc("{")*lpegpatterns.integer*Cc("}")+anything)^0)
-patterns.unittotex=pattern
-function parsers.unittotex(str,textmode)
- return lpegmatch(textmode and pattern_text or pattern_math,str)
-end
-local pattern=Cs((P("^")/"<sup>"*lpegpatterns.integer*Cc("</sup>")+anything)^0)
-function parsers.unittoxml(str)
- return lpegmatch(pattern,str)
-end
-local cache={}
-local spaces=lpegpatterns.space^0
-local dummy=function() end
-setmetatableindex(cache,function(t,k)
- local separator=P(k)
- local value=(1-separator)^0
- local pattern=spaces*C(value)*separator^0*Cp()
- t[k]=pattern
- return pattern
-end)
-local commalistiterator=cache[","]
-function utilities.parsers.iterator(str,separator)
- local n=#str
- if n==0 then
- return dummy
- else
- local pattern=separator and cache[separator] or commalistiterator
- local p=1
- return function()
- if p<=n then
- local s,e=lpegmatch(pattern,str,p)
- if e then
- p=e
- return s
- end
- end
- end
- end
-end
-local function initialize(t,name)
- local source=t[name]
- if source then
- local result={}
- for k,v in next,t[name] do
- result[k]=v
- end
- return result
- else
- return {}
- end
-end
-local function fetch(t,name)
- return t[name] or {}
-end
-local function process(result,more)
- for k,v in next,more do
- result[k]=v
- end
- return result
-end
-local name=C((1-S(", "))^1)
-local parser=(Carg(1)*name/initialize)*(S(", ")^1*(Carg(1)*name/fetch))^0
-local merge=Cf(parser,process)
-function utilities.parsers.mergehashes(hash,list)
- return lpegmatch(merge,list,1,hash)
-end
-function utilities.parsers.runtime(time)
- if not time then
- time=os.runtime()
- end
- local days=div(time,24*60*60)
- time=mod(time,24*60*60)
- local hours=div(time,60*60)
- time=mod(time,60*60)
- local minutes=div(time,60)
- local seconds=mod(time,60)
- return days,hours,minutes,seconds
-end
-local spacing=whitespace^0
-local apply=P("->")
-local method=C((1-apply)^1)
-local token=lbrace*C((1-rbrace)^1)*rbrace+C(anything^1)
-local pattern=spacing*(method*spacing*apply+Carg(1))*spacing*token
-function utilities.parsers.splitmethod(str,default)
- if str then
- return lpegmatch(pattern,str,1,default or false)
- else
- return default or false,""
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-dim']={
- version=1.001,
- comment="support for dimensions",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local format,match,gsub,type,setmetatable=string.format,string.match,string.gsub,type,setmetatable
-local P,S,R,Cc,C,lpegmatch=lpeg.P,lpeg.S,lpeg.R,lpeg.Cc,lpeg.C,lpeg.match
-local allocate=utilities.storage.allocate
-local setmetatableindex=table.setmetatableindex
-local formatters=string.formatters
-local texget=tex and tex.get or function() return 65536*10*100 end
-local p_stripzeros=lpeg.patterns.stripzeros
-number=number or {}
-local number=number
-number.tonumberf=function(n) return lpegmatch(p_stripzeros,format("%.20f",n)) end
-number.tonumberg=function(n) return format("%.20g",n) end
-local dimenfactors=allocate {
- ["pt"]=1/65536,
- ["in"]=(100/7227)/65536,
- ["cm"]=(254/7227)/65536,
- ["mm"]=(2540/7227)/65536,
- ["sp"]=1,
- ["bp"]=(7200/7227)/65536,
- ["pc"]=(1/12)/65536,
- ["dd"]=(1157/1238)/65536,
- ["cc"]=(1157/14856)/65536,
- ["nd"]=(20320/21681)/65536,
- ["nc"]=(5080/65043)/65536
-}
-local f_none=formatters["%s%s"]
-local f_true=formatters["%0.5F%s"]
-local function numbertodimen(n,unit,fmt)
- if type(n)=='string' then
- return n
- else
- unit=unit or 'pt'
- n=n*dimenfactors[unit]
- if not fmt then
- fmt=f_none(n,unit)
- elseif fmt==true then
- fmt=f_true(n,unit)
- else
- return formatters[fmt](n,unit)
- end
- end
-end
-number.maxdimen=1073741823
-number.todimen=numbertodimen
-number.dimenfactors=dimenfactors
-function number.topoints (n,fmt) return numbertodimen(n,"pt",fmt) end
-function number.toinches (n,fmt) return numbertodimen(n,"in",fmt) end
-function number.tocentimeters (n,fmt) return numbertodimen(n,"cm",fmt) end
-function number.tomillimeters (n,fmt) return numbertodimen(n,"mm",fmt) end
-function number.toscaledpoints(n,fmt) return numbertodimen(n,"sp",fmt) end
-function number.toscaledpoints(n) return n.."sp" end
-function number.tobasepoints (n,fmt) return numbertodimen(n,"bp",fmt) end
-function number.topicas (n,fmt) return numbertodimen(n "pc",fmt) end
-function number.todidots (n,fmt) return numbertodimen(n,"dd",fmt) end
-function number.tociceros (n,fmt) return numbertodimen(n,"cc",fmt) end
-function number.tonewdidots (n,fmt) return numbertodimen(n,"nd",fmt) end
-function number.tonewciceros (n,fmt) return numbertodimen(n,"nc",fmt) end
-local amount=(S("+-")^0*R("09")^0*P(".")^0*R("09")^0)+Cc("0")
-local unit=R("az")^1+P("%")
-local dimenpair=amount/tonumber*(unit^1/dimenfactors+Cc(1))
-lpeg.patterns.dimenpair=dimenpair
-local splitter=amount/tonumber*C(unit^1)
-function number.splitdimen(str)
- return lpegmatch(splitter,str)
-end
-setmetatableindex(dimenfactors,function(t,s)
- return false
-end)
-local stringtodimen
-local amount=S("+-")^0*R("09")^0*S(".,")^0*R("09")^0
-local unit=P("pt")+P("cm")+P("mm")+P("sp")+P("bp")+P("in")+P("pc")+P("dd")+P("cc")+P("nd")+P("nc")
-local validdimen=amount*unit
-lpeg.patterns.validdimen=validdimen
-local dimensions={}
-function dimensions.__add(a,b)
- local ta,tb=type(a),type(b)
- if ta=="string" then a=stringtodimen(a) elseif ta=="table" then a=a[1] end
- if tb=="string" then b=stringtodimen(b) elseif tb=="table" then b=b[1] end
- return setmetatable({ a+b },dimensions)
-end
-function dimensions.__sub(a,b)
- local ta,tb=type(a),type(b)
- if ta=="string" then a=stringtodimen(a) elseif ta=="table" then a=a[1] end
- if tb=="string" then b=stringtodimen(b) elseif tb=="table" then b=b[1] end
- return setmetatable({ a-b },dimensions)
-end
-function dimensions.__mul(a,b)
- local ta,tb=type(a),type(b)
- if ta=="string" then a=stringtodimen(a) elseif ta=="table" then a=a[1] end
- if tb=="string" then b=stringtodimen(b) elseif tb=="table" then b=b[1] end
- return setmetatable({ a*b },dimensions)
-end
-function dimensions.__div(a,b)
- local ta,tb=type(a),type(b)
- if ta=="string" then a=stringtodimen(a) elseif ta=="table" then a=a[1] end
- if tb=="string" then b=stringtodimen(b) elseif tb=="table" then b=b[1] end
- return setmetatable({ a/b },dimensions)
-end
-function dimensions.__unm(a)
- local ta=type(a)
- if ta=="string" then a=stringtodimen(a) elseif ta=="table" then a=a[1] end
- return setmetatable({-a },dimensions)
-end
-function dimensions.__lt(a,b)
- return a[1]<b[1]
-end
-function dimensions.__eq(a,b)
- return a[1]==b[1]
-end
-function dimensions.__tostring(a)
- return a[1]/65536 .."pt"
-end
-function dimensions.__index(tab,key)
- local d=dimenfactors[key]
- if not d then
- error("illegal property of dimen: "..key)
- d=1
- end
- return 1/d
-end
- dimenfactors["ex"]=4*1/65536
- dimenfactors["em"]=10*1/65536
-local known={} setmetatable(known,{ __mode="v" })
-function dimen(a)
- if a then
- local ta=type(a)
- if ta=="string" then
- local k=known[a]
- if k then
- a=k
- else
- local value,unit=lpegmatch(dimenpair,a)
- if value and unit then
- k=value/unit
- else
- k=0
- end
- known[a]=k
- a=k
- end
- elseif ta=="table" then
- a=a[1]
- end
- return setmetatable({ a },dimensions)
- else
- return setmetatable({ 0 },dimensions)
- end
-end
-function string.todimen(str)
- if type(str)=="number" then
- return str
- else
- local k=known[str]
- if not k then
- local value,unit=lpegmatch(dimenpair,str)
- if value and unit then
- k=value/unit
- else
- k=0
- end
- known[str]=k
- end
- return k
- end
-end
-stringtodimen=string.todimen
-function number.toscaled(d)
- return format("%0.5f",d/2^16)
-end
-function number.percent(n,d)
- d=d or texget("hsize")
- if type(d)=="string" then
- d=stringtodimen(d)
- end
- return (n/100)*d
-end
-number["%"]=number.percent
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-jsn']={
- version=1.001,
- comment="companion to m-json.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local P,V,R,S,C,Cc,Cs,Ct,Cf,Cg=lpeg.P,lpeg.V,lpeg.R,lpeg.S,lpeg.C,lpeg.Cc,lpeg.Cs,lpeg.Ct,lpeg.Cf,lpeg.Cg
-local lpegmatch=lpeg.match
-local format=string.format
-local utfchar=utf.char
-local concat=table.concat
-local tonumber,tostring,rawset,type=tonumber,tostring,rawset,type
-local json=utilities.json or {}
-utilities.json=json
-local lbrace=P("{")
-local rbrace=P("}")
-local lparent=P("[")
-local rparent=P("]")
-local comma=P(",")
-local colon=P(":")
-local dquote=P('"')
-local whitespace=lpeg.patterns.whitespace
-local optionalws=whitespace^0
-local escapes={
- ["b"]="\010",
- ["f"]="\014",
- ["n"]="\n",
- ["r"]="\r",
- ["t"]="\t",
-}
-local escape_un=C(P("\\u")/"0x"*S("09","AF","af"))/function(s) return utfchar(tonumber(s)) end
-local escape_bs=P([[\]])/""*(P(1)/escapes)
-local jstring=dquote*Cs((escape_un+escape_bs+(1-dquote))^0)*dquote
-local jtrue=P("true")*Cc(true)
-local jfalse=P("false")*Cc(false)
-local jnull=P("null")*Cc(nil)
-local jnumber=(1-whitespace-rparent-rbrace-comma)^1/tonumber
-local key=jstring
-local jsonconverter={ "value",
- object=lbrace*Cf(Ct("")*V("pair")*(comma*V("pair"))^0,rawset)*rbrace,
- pair=Cg(optionalws*key*optionalws*colon*V("value")),
- array=Ct(lparent*V("value")*(comma*V("value"))^0*rparent),
- value=optionalws*(jstring+V("object")+V("array")+jtrue+jfalse+jnull+jnumber+#rparent)*optionalws,
-}
-function json.tolua(str)
- return lpegmatch(jsonconverter,str)
-end
-local function tojson(value,t)
- local kind=type(value)
- if kind=="table" then
- local done=false
- local size=#value
- if size==0 then
- for k,v in next,value do
- if done then
- t[#t+1]=","
- else
- t[#t+1]="{"
- done=true
- end
- t[#t+1]=format("%q:",k)
- tojson(v,t)
- end
- if done then
- t[#t+1]="}"
- else
- t[#t+1]="{}"
- end
- elseif size==1 then
- t[#t+1]="["
- tojson(value[1],t)
- t[#t+1]="]"
- else
- for i=1,size do
- if done then
- t[#t+1]=","
- else
- t[#t+1]="["
- done=true
- end
- tojson(value[i],t)
- end
- t[#t+1]="]"
- end
- elseif kind=="string" then
- t[#t+1]=format("%q",value)
- elseif kind=="number" then
- t[#t+1]=value
- elseif kind=="boolean" then
- t[#t+1]=tostring(value)
- end
- return t
-end
-function json.tostring(value)
- local kind=type(value)
- if kind=="table" then
- return concat(tojson(value,{}),"")
- elseif kind=="string" or kind=="number" then
- return value
- else
- return tostring(value)
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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 type,tonumber,select=type,tonumber,select
-local format,lower,find=string.format,string.lower,string.find
-local concat=table.concat
-local clock=os.gettimeofday or os.clock
-local setmetatableindex=table.setmetatableindex
-local serialize=table.serialize
-local formatters=string.formatters
-statistics=statistics or {}
-local statistics=statistics
-statistics.enable=true
-statistics.threshold=0.01
-local statusinfo,n,registered,timers={},0,{},{}
-setmetatableindex(timers,function(t,k)
- local v={ timing=0,loadtime=0 }
- t[k]=v
- return v
-end)
-local function hastiming(instance)
- return instance and timers[instance]
-end
-local function resettiming(instance)
- timers[instance or "notimer"]={ timing=0,loadtime=0 }
-end
-local function starttiming(instance)
- local timer=timers[instance or "notimer"]
- local it=timer.timing or 0
- if it==0 then
- timer.starttime=clock()
- if not timer.loadtime then
- timer.loadtime=0
- end
- end
- timer.timing=it+1
-end
-local function stoptiming(instance)
- local timer=timers[instance or "notimer"]
- local it=timer.timing
- if it>1 then
- timer.timing=it-1
- else
- local starttime=timer.starttime
- if starttime then
- local stoptime=clock()
- local loadtime=stoptime-starttime
- timer.stoptime=stoptime
- timer.loadtime=timer.loadtime+loadtime
- timer.timing=0
- return loadtime
- end
- end
- return 0
-end
-local function elapsed(instance)
- if type(instance)=="number" then
- return instance or 0
- else
- local timer=timers[instance or "notimer"]
- return timer and timer.loadtime or 0
- end
-end
-local function elapsedtime(instance)
- return format("%0.3f",elapsed(instance))
-end
-local function elapsedindeed(instance)
- return elapsed(instance)>statistics.threshold
-end
-local function elapsedseconds(instance,rest)
- if elapsedindeed(instance) then
- return format("%0.3f seconds %s",elapsed(instance),rest or "")
- end
-end
-statistics.hastiming=hastiming
-statistics.resettiming=resettiming
-statistics.starttiming=starttiming
-statistics.stoptiming=stoptiming
-statistics.elapsed=elapsed
-statistics.elapsedtime=elapsedtime
-statistics.elapsedindeed=elapsedindeed
-statistics.elapsedseconds=elapsedseconds
-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
-local report=logs.reporter("mkiv lua stats")
-function statistics.show()
- if statistics.enable then
- local register=statistics.register
- register("used platform",function()
- return format("%s, type: %s, binary subtree: %s",
- os.platform or "unknown",os.type or "unknown",environment.texos or "unknown")
- end)
- register("luatex banner",function()
- return lower(status.banner)
- end)
- register("control sequences",function()
- return format("%s of %s + %s",status.cs_count,status.hash_size,status.hash_extra)
- end)
- register("callbacks",function()
- local total,indirect=status.callbacks or 0,status.indirect_callbacks or 0
- return format("%s direct, %s indirect, %s total",total-indirect,indirect,total)
- end)
- if jit then
- local jitstatus={ jit.status() }
- if jitstatus[1] then
- register("luajit options",concat(jitstatus," ",2))
- end
- end
- register("lua properties",function()
- local hashchar=tonumber(status.luatex_hashchars)
- local hashtype=status.luatex_hashtype
- local mask=lua.mask or "ascii"
- return format("engine: %s, used memory: %s, hash type: %s, hash chars: min(%s,40), symbol mask: %s (%s)",
- jit and "luajit" or "lua",
- statistics.memused(),
- hashtype or "default",
- hashchar and 2^hashchar or "unknown",
- mask,
- mask=="utf" and "τεχ" or "tex")
- end)
- register("runtime",statistics.runtime)
- logs.newline()
- for i=1,#statusinfo do
- local s=statusinfo[i]
- local r=s[2]()
- if r then
- report("%s: %s",s[1],r)
- end
- end
- statistics.enable=false
- end
-end
-function statistics.memused()
- local round=math.round or math.floor
- return format("%s MB (ctx: %s MB)",round(collectgarbage("count")/1000),round(status.luastate_bytes/1000000))
-end
-starttiming(statistics)
-function statistics.formatruntime(runtime)
- return format("%s seconds",runtime)
-end
-function statistics.runtime()
- stoptiming(statistics)
- return statistics.formatruntime(elapsedtime(statistics))
-end
-local report=logs.reporter("system")
-function statistics.timed(action)
- starttiming("run")
- action()
- stoptiming("run")
- report("total runtime: %s seconds",elapsedtime("run"))
-end
-function statistics.tracefunction(base,tag,...)
- for i=1,select("#",...) do
- local name=select(i,...)
- local stat={}
- local func=base[name]
- setmetatableindex(stat,function(t,k) t[k]=0 return 0 end)
- base[name]=function(n,k,v) stat[k]=stat[k]+1 return func(n,k,v) end
- statistics.register(formatters["%s.%s"](tag,name),function() return serialize(stat,"calls") end)
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-lua']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- comment="the strip code is written by Peter Cawley",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local rep,sub,byte,dump,format=string.rep,string.sub,string.byte,string.dump,string.format
-local load,loadfile,type=load,loadfile,type
-utilities=utilities or {}
-utilities.lua=utilities.lua or {}
-local luautilities=utilities.lua
-local report_lua=logs.reporter("system","lua")
-local tracestripping=false
-local forcestupidcompile=true
-luautilities.stripcode=true
-luautilities.alwaysstripcode=false
-luautilities.nofstrippedchunks=0
-luautilities.nofstrippedbytes=0
-local strippedchunks={}
-luautilities.strippedchunks=strippedchunks
-luautilities.suffixes={
- tma="tma",
- tmc=jit and "tmb" or "tmc",
- lua="lua",
- luc=jit and "lub" or "luc",
- lui="lui",
- luv="luv",
- luj="luj",
- tua="tua",
- tuc="tuc",
-}
-local function register(name)
- if tracestripping then
- report_lua("stripped bytecode from %a",name or "unknown")
- end
- strippedchunks[#strippedchunks+1]=name
- luautilities.nofstrippedchunks=luautilities.nofstrippedchunks+1
-end
-local function stupidcompile(luafile,lucfile,strip)
- local code=io.loaddata(luafile)
- if code and code~="" then
- code=load(code)
- if code then
- code=dump(code,strip and luautilities.stripcode or luautilities.alwaysstripcode)
- if code and code~="" then
- register(name)
- io.savedata(lucfile,code)
- return true,0
- end
- else
- report_lua("fatal error %a in file %a",1,luafile)
- end
- else
- report_lua("fatal error %a in file %a",2,luafile)
- end
- return false,0
-end
-function luautilities.loadedluacode(fullname,forcestrip,name)
- name=name or fullname
- local code,message
- if environment.loadpreprocessedfile then
- code,message=environment.loadpreprocessedfile(fullname)
- else
- code,message=loadfile(fullname)
- end
- if code then
- code()
- else
- report_lua("loading of file %a failed:\n\t%s",fullname,message or "no message")
- end
- if forcestrip and luautilities.stripcode then
- if type(forcestrip)=="function" then
- forcestrip=forcestrip(fullname)
- end
- if forcestrip or luautilities.alwaysstripcode then
- register(name)
- return load(dump(code,true)),0
- else
- return code,0
- end
- elseif luautilities.alwaysstripcode then
- register(name)
- return load(dump(code,true)),0
- else
- return code,0
- end
-end
-function luautilities.strippedloadstring(code,forcestrip,name)
- local code,message=load(code)
- if not code then
- report_lua("loading of file %a failed:\n\t%s",name,message or "no message")
- end
- if forcestrip and luautilities.stripcode or luautilities.alwaysstripcode then
- register(name)
- return load(dump(code,true)),0
- else
- return code,0
- end
-end
-function luautilities.compile(luafile,lucfile,cleanup,strip,fallback)
- report_lua("compiling %a into %a",luafile,lucfile)
- os.remove(lucfile)
- local done=stupidcompile(luafile,lucfile,strip~=false)
- if done then
- report_lua("dumping %a into %a stripped",luafile,lucfile)
- if cleanup==true and lfs.isfile(lucfile) and lfs.isfile(luafile) then
- report_lua("removing %a",luafile)
- os.remove(luafile)
- end
- end
- return done
-end
-function luautilities.loadstripped(...)
- local l=load(...)
- if l then
- return load(dump(l,true))
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-deb']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local debug=require "debug"
-local getinfo=debug.getinfo
-local type,next,tostring=type,next,tostring
-local format,find=string.format,string.find
-local is_boolean=string.is_boolean
-utilities=utilities or {}
-local debugger=utilities.debugger or {}
-utilities.debugger=debugger
-local counters={}
-local names={}
-local report=logs.reporter("debugger")
-local function hook()
- local f=getinfo(2)
- if f then
- local n="unknown"
- if f.what=="C" then
- n=f.name or '<anonymous>'
- if not names[n] then
- names[n]=format("%42s",n)
- end
- else
- n=f.name or f.namewhat or f.what
- if not n or n=="" then
- n="?"
- end
- if not names[n] then
- names[n]=format("%42s : % 5i : %s",n,f.linedefined or 0,f.short_src or "unknown source")
- end
- end
- counters[n]=(counters[n] or 0)+1
- end
-end
-function debugger.showstats(printer,threshold)
- printer=printer or report
- threshold=threshold or 0
- local total,grandtotal,functions=0,0,0
- local dataset={}
- for name,count in next,counters do
- dataset[#dataset+1]={ name,count }
- end
- table.sort(dataset,function(a,b) return a[2]==b[2] and b[1]>a[1] or a[2]>b[2] end)
- for i=1,#dataset do
- local d=dataset[i]
- local name=d[1]
- local count=d[2]
- if count>threshold and not find(name,"for generator") then
- printer(format("%8i %s\n",count,names[name]))
- total=total+count
- end
- grandtotal=grandtotal+count
- functions=functions+1
- end
- printer("\n")
- printer(format("functions : % 10i\n",functions))
- printer(format("total : % 10i\n",total))
- printer(format("grand total: % 10i\n",grandtotal))
- printer(format("threshold : % 10i\n",threshold))
-end
-function debugger.savestats(filename,threshold)
- local f=io.open(filename,'w')
- if f then
- debugger.showstats(function(str) f:write(str) end,threshold)
- f:close()
- end
-end
-function debugger.enable()
- debug.sethook(hook,"c")
-end
-function debugger.disable()
- debug.sethook()
-end
-local function showtraceback(rep)
- local level=2
- local reporter=rep or report
- while true do
- local info=getinfo(level,"Sl")
- if not info then
- break
- elseif info.what=="C" then
- reporter("%2i : %s",level-1,"C function")
- else
- reporter("%2i : %s : %s",level-1,info.short_src,info.currentline)
- end
- level=level+1
- end
-end
-debugger.showtraceback=showtraceback
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-tpl']={
- version=1.001,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-utilities.templates=utilities.templates or {}
-local templates=utilities.templates
-local trace_template=false trackers.register("templates.trace",function(v) trace_template=v end)
-local report_template=logs.reporter("template")
-local tostring=tostring
-local format,sub,byte=string.format,string.sub,string.byte
-local P,C,R,Cs,Cc,Carg,lpegmatch,lpegpatterns=lpeg.P,lpeg.C,lpeg.R,lpeg.Cs,lpeg.Cc,lpeg.Carg,lpeg.match,lpeg.patterns
-local replacer
-local function replacekey(k,t,how,recursive)
- local v=t[k]
- if not v then
- if trace_template then
- report_template("unknown key %a",k)
- end
- return ""
- else
- v=tostring(v)
- if trace_template then
- report_template("setting key %a to value %a",k,v)
- end
- if recursive then
- return lpegmatch(replacer,v,1,t,how,recursive)
- else
- return v
- end
- end
-end
-local sqlescape=lpeg.replacer {
- { "'","''" },
- { "\\","\\\\" },
- { "\r\n","\\n" },
- { "\r","\\n" },
-}
-local sqlquoted=Cs(Cc("'")*sqlescape*Cc("'"))
-lpegpatterns.sqlescape=sqlescape
-lpegpatterns.sqlquoted=sqlquoted
-local luaescape=lpegpatterns.luaescape
-local escapers={
- lua=function(s)
- return lpegmatch(luaescape,s)
- end,
- sql=function(s)
- return lpegmatch(sqlescape,s)
- end,
-}
-local quotedescapers={
- lua=function(s)
- return format("%q",s)
- end,
- sql=function(s)
- return lpegmatch(sqlquoted,s)
- end,
-}
-local luaescaper=escapers.lua
-local quotedluaescaper=quotedescapers.lua
-local function replacekeyunquoted(s,t,how,recurse)
- if how==false then
- return replacekey(s,t,how,recurse)
- else
- local escaper=how and escapers[how] or luaescaper
- return escaper(replacekey(s,t,how,recurse))
- end
-end
-local function replacekeyquoted(s,t,how,recurse)
- if how==false then
- return replacekey(s,t,how,recurse)
- else
- local escaper=how and quotedescapers[how] or quotedluaescaper
- return escaper(replacekey(s,t,how,recurse))
- end
-end
-local function replaceoptional(l,m,r,t,how,recurse)
- local v=t[l]
- return v and v~="" and lpegmatch(replacer,r,1,t,how or "lua",recurse or false) or ""
-end
-local single=P("%")
-local double=P("%%")
-local lquoted=P("%[")
-local rquoted=P("]%")
-local lquotedq=P("%(")
-local rquotedq=P(")%")
-local escape=double/'%%'
-local nosingle=single/''
-local nodouble=double/''
-local nolquoted=lquoted/''
-local norquoted=rquoted/''
-local nolquotedq=lquotedq/''
-local norquotedq=rquotedq/''
-local noloptional=P("%?")/''
-local noroptional=P("?%")/''
-local nomoptional=P(":")/''
-local args=Carg(1)*Carg(2)*Carg(3)
-local key=nosingle*((C((1-nosingle )^1)*args)/replacekey )*nosingle
-local quoted=nolquotedq*((C((1-norquotedq )^1)*args)/replacekeyquoted )*norquotedq
-local unquoted=nolquoted*((C((1-norquoted )^1)*args)/replacekeyunquoted)*norquoted
-local optional=noloptional*((C((1-nomoptional)^1)*nomoptional*C((1-noroptional)^1)*args)/replaceoptional)*noroptional
-local any=P(1)
- replacer=Cs((unquoted+quoted+escape+optional+key+any)^0)
-local function replace(str,mapping,how,recurse)
- if mapping and str then
- return lpegmatch(replacer,str,1,mapping,how or "lua",recurse or false) or str
- else
- return str
- end
-end
-templates.replace=replace
-function templates.replacer(str,how,recurse)
- return function(mapping)
- return lpegmatch(replacer,str,1,mapping,how or "lua",recurse or false) or str
- end
-end
-function templates.load(filename,mapping,how,recurse)
- local data=io.loaddata(filename) or ""
- if mapping and next(mapping) then
- return replace(data,mapping,how,recurse)
- else
- return data
- end
-end
-function templates.resolve(t,mapping,how,recurse)
- if not mapping then
- mapping=t
- end
- for k,v in next,t do
- t[k]=replace(v,mapping,how,recurse)
- end
- return t
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['util-sta']={
- version=1.001,
- comment="companion to util-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local insert,remove,fastcopy,concat=table.insert,table.remove,table.fastcopy,table.concat
-local format=string.format
-local select,tostring=select,tostring
-local trace_stacker=false trackers.register("stacker.resolve",function(v) trace_stacker=v end)
-local stacker=stacker or {}
-utilities.stacker=stacker
-local function start(s,t,first,last)
- if s.mode=="switch" then
- local n=tostring(t[last])
- if trace_stacker then
- s.report("start: %s",n)
- end
- return n
- else
- local r={}
- for i=first,last do
- r[#r+1]=tostring(t[i])
- end
- local n=concat(r," ")
- if trace_stacker then
- s.report("start: %s",n)
- end
- return n
- end
-end
-local function stop(s,t,first,last)
- if s.mode=="switch" then
- local n=tostring(false)
- if trace_stacker then
- s.report("stop: %s",n)
- end
- return n
- else
- local r={}
- for i=last,first,-1 do
- r[#r+1]=tostring(false)
- end
- local n=concat(r," ")
- if trace_stacker then
- s.report("stop: %s",n)
- end
- return n
- end
-end
-local function change(s,t1,first1,last1,t2,first2,last2)
- if s.mode=="switch" then
- local n=tostring(t2[last2])
- if trace_stacker then
- s.report("change: %s",n)
- end
- return n
- else
- local r={}
- for i=last1,first1,-1 do
- r[#r+1]=tostring(false)
- end
- local n=concat(r," ")
- for i=first2,last2 do
- r[#r+1]=tostring(t2[i])
- end
- if trace_stacker then
- s.report("change: %s",n)
- end
- return n
- end
-end
-function stacker.new(name)
- local report=logs.reporter("stacker",name or nil)
- local s
- local stack={}
- local list={}
- local ids={}
- local hash={}
- local hashing=true
- local function push(...)
- for i=1,select("#",...) do
- insert(stack,(select(i,...)))
- end
- if hashing then
- local c=concat(stack,"|")
- local n=hash[c]
- if not n then
- n=#list+1
- hash[c]=n
- list[n]=fastcopy(stack)
- end
- insert(ids,n)
- return n
- else
- local n=#list+1
- list[n]=fastcopy(stack)
- insert(ids,n)
- return n
- end
- end
- local function pop()
- remove(stack)
- remove(ids)
- return ids[#ids] or s.unset or -1
- end
- local function clean()
- if #stack==0 then
- if trace_stacker then
- s.report("%s list entries, %s stack entries",#list,#stack)
- end
- end
- end
- local tops={}
- local top=nil
- local switch=nil
- local function resolve_reset(mode)
- if #tops>0 then
- report("resetting %s left-over states of %a",#tops,name)
- end
- tops={}
- top=nil
- switch=nil
- end
- local function resolve_begin(mode)
- if mode then
- switch=mode=="switch"
- else
- switch=s.mode=="switch"
- end
- top={ switch=switch }
- insert(tops,top)
- end
- local function resolve_step(ti)
- local result=nil
- local noftop=#top
- if ti>0 then
- local current=list[ti]
- if current then
- local noflist=#current
- local nofsame=0
- if noflist>noftop then
- for i=1,noflist do
- if current[i]==top[i] then
- nofsame=i
- else
- break
- end
- end
- else
- for i=1,noflist do
- if current[i]==top[i] then
- nofsame=i
- else
- break
- end
- end
- end
- local plus=nofsame+1
- if plus<=noftop then
- if plus<=noflist then
- if switch then
- result=s.change(s,top,plus,noftop,current,nofsame,noflist)
- else
- result=s.change(s,top,plus,noftop,current,plus,noflist)
- end
- else
- if switch then
- result=s.change(s,top,plus,noftop,current,nofsame,noflist)
- else
- result=s.stop(s,top,plus,noftop)
- end
- end
- elseif plus<=noflist then
- if switch then
- result=s.start(s,current,nofsame,noflist)
- else
- result=s.start(s,current,plus,noflist)
- end
- end
- top=current
- else
- if 1<=noftop then
- result=s.stop(s,top,1,noftop)
- end
- top={}
- end
- return result
- else
- if 1<=noftop then
- result=s.stop(s,top,1,noftop)
- end
- top={}
- return result
- end
- end
- local function resolve_end()
- if #tops>0 then
- local result=s.stop(s,top,1,#top)
- remove(tops)
- top=tops[#tops]
- switch=top and top.switch
- return result
- end
- end
- local function resolve(t)
- resolve_begin()
- for i=1,#t do
- resolve_step(t[i])
- end
- resolve_end()
- end
- s={
- name=name or "unknown",
- unset=-1,
- report=report,
- start=start,
- stop=stop,
- change=change,
- push=push,
- pop=pop,
- clean=clean,
- resolve=resolve,
- resolve_begin=resolve_begin,
- resolve_step=resolve_step,
- resolve_end=resolve_end,
- resolve_reset=resolve_reset,
- }
- return s
-end
-
-end -- closure
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended.lua
index fdd50b80ba3..9c55f8044ce 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended.lua
@@ -7,7 +7,7 @@
-- lualibs.dtx (with options: `extended')
-- This is a generated file.
--
--- Copyright (C) 2009--2016 by
+-- Copyright (C) 2009--2017 by
-- PRAGMA ADE / ConTeXt Development Team
-- The LuaLaTeX Dev Team
--
@@ -30,8 +30,8 @@ lualibs = lualibs or { }
local lualibs_extended_module = {
name = "lualibs-extended",
- version = 2.4,
- date = "2016-04-06",
+ version = 2.5,
+ date = "2017-02-01",
description = "ConTeXt Lua libraries -- extended collection.",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux & Philipp Gesang",
copyright = "PRAGMA ADE / ConTeXt Development Team",
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-file.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-file.lua
index 7ed6370f260..f2a27ad1832 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-file.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-file.lua
@@ -436,7 +436,7 @@ local deslasher = lpeg.replacer(S("\\/")^1,"/")
function file.join(one, two, three, ...)
if not two then
- return one == "" and one or lpegmatch(stripper,one)
+ return one == "" and one or lpegmatch(reslasher,one)
end
if one == "" then
return lpegmatch(stripper,three and concat({ two, three, ... },"/") or two)
@@ -607,14 +607,17 @@ function file.robustname(str,strict)
end
end
-file.readdata = io.loaddata
-file.savedata = io.savedata
+local loaddata = io.loaddata
+local savedata = io.savedata
+
+file.readdata = loaddata
+file.savedata = savedata
function file.copy(oldname,newname)
if oldname and newname then
- local data = io.loaddata(oldname)
+ local data = loaddata(oldname)
if data and data ~= "" then
- file.savedata(newname,data)
+ savedata(newname,data)
end
end
end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua
index a91d44d8776..2039017b25d 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua
@@ -7,6 +7,7 @@ if not modules then modules = { } end modules ['l-io'] = {
}
local io = io
+local open, flush, write, read = io.open, io.flush, io.write, io.read
local byte, find, gsub, format = string.byte, string.find, string.gsub, string.format
local concat = table.concat
local floor = math.floor
@@ -30,15 +31,13 @@ local function readall(f)
local size = f:seek("end")
if size == 0 then
return ""
- elseif size < 1024*1024 then
- f:seek("set",0)
+ end
+ f:seek("set",0)
+ if size < 1024*1024 then
return f:read('*all')
else
- local done = f:seek("set",0)
local step
- if size < 1024*1024 then
- step = 1024 * 1024
- elseif size > 16*1024*1024 then
+ if size > 16*1024*1024 then
step = 16*1024*1024
else
step = floor(size/(1024*1024)) * 1024 * 1024 / 8
@@ -58,9 +57,8 @@ end
io.readall = readall
function io.loaddata(filename,textmode) -- return nil if empty
- local f = io.open(filename,(textmode and 'r') or 'rb')
+ local f = open(filename,(textmode and 'r') or 'rb')
if f then
- -- local data = f:read('*all')
local data = readall(f)
f:close()
if #data > 0 then
@@ -69,8 +67,55 @@ function io.loaddata(filename,textmode) -- return nil if empty
end
end
+function io.copydata(source,target,action)
+ local f = open(source,"rb")
+ if f then
+ local g = open(target,"wb")
+ if g then
+ local size = f:seek("end")
+ if size == 0 then
+ -- empty
+ else
+ f:seek("set",0)
+ if size < 1024*1024 then
+ local data = f:read('*all')
+ if action then
+ data = action(data)
+ end
+ if data then
+ g:write(data)
+ end
+ else
+ local step
+ if size > 16*1024*1024 then
+ step = 16*1024*1024
+ else
+ step = floor(size/(1024*1024)) * 1024 * 1024 / 8
+ end
+ while true do
+ local data = f:read(step)
+ if data then
+ if action then
+ data = action(data)
+ end
+ if data then
+ g:write(data)
+ end
+ else
+ break
+ end
+ end
+ end
+ end
+ g:close()
+ end
+ f:close()
+ flush()
+ end
+end
+
function io.savedata(filename,data,joiner)
- local f = io.open(filename,"wb")
+ local f = open(filename,"wb")
if f then
if type(data) == "table" then
f:write(concat(data,joiner or ""))
@@ -80,7 +125,7 @@ function io.savedata(filename,data,joiner)
f:write(data or "")
end
f:close()
- io.flush()
+ flush()
return true
else
return false
@@ -90,7 +135,7 @@ end
-- we can also chunk this one if needed: io.lines(filename,chunksize,"*l")
function io.loadlines(filename,n) -- return nil if empty
- local f = io.open(filename,'r')
+ local f = open(filename,'r')
if not f then
-- no file
elseif n then
@@ -118,7 +163,7 @@ function io.loadlines(filename,n) -- return nil if empty
end
function io.loadchunk(filename,n)
- local f = io.open(filename,'rb')
+ local f = open(filename,'rb')
if f then
local data = f:read(n or 1024)
f:close()
@@ -129,7 +174,7 @@ function io.loadchunk(filename,n)
end
function io.exists(filename)
- local f = io.open(filename)
+ local f = open(filename)
if f == nil then
return false
else
@@ -139,7 +184,7 @@ function io.exists(filename)
end
function io.size(filename)
- local f = io.open(filename)
+ local f = open(filename)
if f == nil then
return 0
else
@@ -149,11 +194,11 @@ function io.size(filename)
end
end
-function io.noflines(f)
+local function noflines(f)
if type(f) == "string" then
- local f = io.open(filename)
+ local f = open(filename)
if f then
- local n = f and io.noflines(f) or 0
+ local n = f and noflines(f) or 0
f:close()
return n
else
@@ -169,6 +214,10 @@ function io.noflines(f)
end
end
+io.noflines = noflines
+
+-- inlined is faster
+
local nextchar = {
[ 4] = function(f)
return f:read(1,1,1,1)
@@ -250,16 +299,16 @@ end
function io.ask(question,default,options)
while true do
- io.write(question)
+ write(question)
if options then
- io.write(format(" [%s]",concat(options,"|")))
+ write(format(" [%s]",concat(options,"|")))
end
if default then
- io.write(format(" [%s]",default))
+ write(format(" [%s]",default))
end
- io.write(format(" "))
- io.flush()
- local answer = io.read()
+ write(format(" "))
+ flush()
+ local answer = read()
answer = gsub(answer,"^%s*(.*)%s*$","%1")
if answer == "" and default then
return default
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua
index b90f37e3db3..35715383635 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua
@@ -198,3 +198,4 @@ if flush then
local popen = io.popen if popen then function io.popen (...) flush() return popen (...) end end
end
+
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-number.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-number.lua
index 001ca31f773..c6f1e33597b 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-number.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-number.lua
@@ -13,6 +13,7 @@ local tostring, tonumber = tostring, tonumber
local format, floor, match, rep = string.format, math.floor, string.match, string.rep
local concat, insert = table.concat, table.insert
local lpegmatch = lpeg.match
+local floor = math.floor
number = number or { }
local number = number
@@ -205,3 +206,25 @@ end
function number.bits(n)
return { bits(n,1) }
end
+
+function number.bytetodecimal(b)
+ local d = floor(b * 100 / 255 + 0.5)
+ if d > 100 then
+ return 100
+ elseif d < -100 then
+ return -100
+ else
+ return d
+ end
+end
+
+function number.decimaltobyte(d)
+ local b = floor(d * 255 / 100 + 0.5)
+ if b > 255 then
+ return 255
+ elseif b < -255 then
+ return -255
+ else
+ return b
+ end
+end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua
index e9dc2bbbcff..be8f397aee3 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua
@@ -75,19 +75,19 @@ local collapser = patterns.collapser
local longtostring = patterns.longtostring
function string.strip(str)
- return lpegmatch(stripper,str) or ""
+ return str and lpegmatch(stripper,str) or ""
end
function string.fullstrip(str)
- return lpegmatch(fullstripper,str) or ""
+ return str and lpegmatch(fullstripper,str) or ""
end
function string.collapsespaces(str)
- return lpegmatch(collapser,str) or ""
+ return str and lpegmatch(collapser,str) or ""
end
function string.longtostring(str)
- return lpegmatch(longtostring,str) or ""
+ return str and lpegmatch(longtostring,str) or ""
end
-- function string.is_empty(str)
@@ -99,7 +99,7 @@ local pattern = P(" ")^0 * P(-1) -- maybe also newlines
-- patterns.onlyspaces = pattern
function string.is_empty(str)
- if str == "" then
+ if not str or str == "" then
return true
else
return lpegmatch(pattern,str) and true or false
@@ -163,7 +163,7 @@ function string.escapedpattern(str,simple)
end
function string.topattern(str,lowercase,strict)
- if str=="" or type(str) ~= "string" then
+ if str == "" or type(str) ~= "string" then
return ".*"
elseif strict then
str = lpegmatch(pattern_c,str)
@@ -177,6 +177,7 @@ function string.topattern(str,lowercase,strict)
end
end
+-- print(string.escapedpattern("abc*234",true))
-- print(string.escapedpattern("12+34*.tex",false))
-- print(string.escapedpattern("12+34*.tex",true))
-- print(string.topattern ("12+34*.tex",false,false))
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua
index 552097e1c10..39357bd25e6 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua
@@ -478,7 +478,7 @@ function table.fromhash(t)
return hsh
end
-local noquotes, hexify, handle, compact, inline, functions
+local noquotes, hexify, handle, compact, inline, functions, metacheck
local reserved = table.tohash { -- intercept a language inconvenience: no reserved words as key
'and', 'break', 'do', 'else', 'elseif', 'end', 'false', 'for', 'function', 'if',
@@ -608,7 +608,8 @@ local function do_serialize(root,name,depth,level,indexed)
if compact then
last = #root
for k=1,last do
- if root[k] == nil then
+ -- if root[k] == nil then
+ if rawget(root,k) == nil then
last = k - 1
break
end
@@ -673,6 +674,8 @@ local function do_serialize(root,name,depth,level,indexed)
else
handle(format("%s [%s]=%s,",depth,k and "true" or "false",v)) -- %.99g
end
+ elseif tk ~= "string" then
+ -- ignore
elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
if hexify then
handle(format("%s %s=0x%X,",depth,k,v))
@@ -695,6 +698,8 @@ local function do_serialize(root,name,depth,level,indexed)
end
elseif tk == "boolean" then
handle(format("%s [%s]=%q,",depth,k and "true" or "false",v))
+ elseif tk ~= "string" then
+ -- ignore
elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
handle(format("%s %s=%q,",depth,k,v))
else
@@ -710,6 +715,8 @@ local function do_serialize(root,name,depth,level,indexed)
end
elseif tk == "boolean" then
handle(format("%s [%s]={},",depth,k and "true" or "false"))
+ elseif tk ~= "string" then
+ -- ignore
elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
handle(format("%s %s={},",depth,k))
else
@@ -726,6 +733,8 @@ local function do_serialize(root,name,depth,level,indexed)
end
elseif tk == "boolean" then
handle(format("%s [%s]={ %s },",depth,k and "true" or "false",concat(st,", ")))
+ elseif tk ~= "string" then
+ -- ignore
elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
handle(format("%s %s={ %s },",depth,k,concat(st,", ")))
else
@@ -746,6 +755,8 @@ local function do_serialize(root,name,depth,level,indexed)
end
elseif tk == "boolean" then
handle(format("%s [%s]=%s,",depth,tostring(k),v and "true" or "false"))
+ elseif tk ~= "string" then
+ -- ignore
elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
handle(format("%s %s=%s,",depth,k,v and "true" or "false"))
else
@@ -763,6 +774,8 @@ local function do_serialize(root,name,depth,level,indexed)
end
elseif tk == "boolean" then
handle(format("%s [%s]=load(%q),",depth,k and "true" or "false",f))
+ elseif tk ~= "string" then
+ -- ignore
elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
handle(format("%s %s=load(%q),",depth,k,f))
else
@@ -778,6 +791,8 @@ local function do_serialize(root,name,depth,level,indexed)
end
elseif tk == "boolean" then
handle(format("%s [%s]=%q,",depth,k and "true" or "false",tostring(v)))
+ elseif tk ~= "string" then
+ -- ignore
elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
handle(format("%s %s=%q,",depth,k,tostring(v)))
else
@@ -803,6 +818,7 @@ local function serialize(_handle,root,name,specification) -- handle wins
functions = specification.functions
compact = specification.compact
inline = specification.inline and compact
+ metacheck = specification.metacheck
if functions == nil then
functions = true
end
@@ -812,6 +828,9 @@ local function serialize(_handle,root,name,specification) -- handle wins
if inline == nil then
inline = compact
end
+ if metacheck == nil then
+ metacheck = true
+ end
else
noquotes = false
hexify = false
@@ -819,6 +838,7 @@ local function serialize(_handle,root,name,specification) -- handle wins
compact = true
inline = true
functions = true
+ metacheck = true
end
if tname == "string" then
if name == "return" then
@@ -843,8 +863,9 @@ local function serialize(_handle,root,name,specification) -- handle wins
end
if root then
-- The dummy access will initialize a table that has a delayed initialization
- -- using a metatable. (maybe explicitly test for metatable)
- if getmetatable(root) then -- todo: make this an option, maybe even per subtable
+ -- using a metatable. (maybe explicitly test for metatable). This can crash on
+ -- metatables that check the index against a number.
+ if metacheck and getmetatable(root) then
local dummy = root._w_h_a_t_e_v_e_r_
root._w_h_a_t_e_v_e_r_ = nil
end
@@ -950,6 +971,41 @@ end
table.flattened = flattened
+local function collapsed(t,f,h)
+ if f == nil then
+ f = { }
+ h = { }
+ end
+ for k=1,#t do
+ local v = t[k]
+ if type(v) == "table" then
+ collapsed(v,f,h)
+ elseif not h[v] then
+ f[#f+1] = v
+ h[v] = true
+ end
+ end
+ return f
+end
+
+local function collapsedhash(t,h)
+ if h == nil then
+ h = { }
+ end
+ for k=1,#t do
+ local v = t[k]
+ if type(v) == "table" then
+ collapsedhash(v,h)
+ else
+ h[v] = true
+ end
+ end
+ return h
+end
+
+table.collapsed = collapsed -- 20% faster than unique(collapsed(t))
+table.collapsedhash = collapsedhash
+
local function unnest(t,f) -- only used in mk, for old times sake
if not f then -- and only relevant for token lists
f = { } -- this one can become obsolete
@@ -1056,7 +1112,7 @@ function table.count(t)
return n
end
-function table.swapped(t,s) -- hash
+function table.swapped(t,s) -- hash, we need to make sure we don't mess up next
local n = { }
if s then
for k, v in next, s do
@@ -1069,7 +1125,14 @@ function table.swapped(t,s) -- hash
return n
end
-function table.mirrored(t) -- hash
+function table.hashed(t) -- list, add hash to index (save because we are not yet mixed
+ for i=1,#t do
+ t[t[i]] = i
+ end
+ return t
+end
+
+function table.mirrored(t) -- hash, we need to make sure we don't mess up next
local n = { }
for k, v in next, t do
n[v] = k
@@ -1165,7 +1228,7 @@ function table.has_one_entry(t)
return t and next(t,next(t)) == nil
end
--- new
+-- new (rather basic, not indexed and nested)
function table.loweredkeys(t) -- maybe utf
local l = { }
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-trac-inf.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-trac-inf.lua
index f4c4e555787..12a4f646ff4 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-trac-inf.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-trac-inf.lua
@@ -14,7 +14,7 @@ if not modules then modules = { } end modules ['trac-inf'] = {
local type, tonumber, select = type, tonumber, select
local format, lower, find = string.format, string.lower, string.find
local concat = table.concat
-local clock = os.gettimeofday or os.clock -- should go in environment
+local clock = os.gettimeofday or os.clock -- should go in environment
local setmetatableindex = table.setmetatableindex
local serialize = table.serialize
@@ -61,12 +61,13 @@ local function stoptiming(instance)
timer.timing = it - 1
else
local starttime = timer.starttime
- if starttime then
- local stoptime = clock()
- local loadtime = stoptime - starttime
- timer.stoptime = stoptime
- timer.loadtime = timer.loadtime + loadtime
- timer.timing = 0
+ if starttime and starttime > 0 then
+ local stoptime = clock()
+ local loadtime = stoptime - starttime
+ timer.stoptime = stoptime
+ timer.loadtime = timer.loadtime + loadtime
+ timer.timing = 0
+ timer.starttime = 0
return loadtime
end
end
@@ -183,6 +184,7 @@ end
function statistics.runtime()
stoptiming(statistics)
+ -- stoptiming(statistics) -- somehow we can start the timer twice, but where
return statistics.formatruntime(elapsedtime(statistics))
end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-fil.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-fil.lua
index 28c92c7c3c3..0f9731a2656 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-fil.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-fil.lua
@@ -6,8 +6,10 @@ if not modules then modules = { } end modules ['util-fil'] = {
license = "see context related readme files"
}
-local byte = string.byte
-local extract = bit32.extract
+local byte = string.byte
+local char = string.char
+local extract = bit32 and bit32.extract
+local floor = math.floor
-- Here are a few helpers (the starting point were old ones I used for parsing
-- flac files). In Lua 5.3 we can probably do this better. Some code will move
@@ -36,6 +38,8 @@ function files.size(f)
return f:seek("end")
end
+files.getsize = files.size
+
function files.setposition(f,n)
if zerobased[f] then
f:seek("set",n)
@@ -90,7 +94,8 @@ end
function files.readinteger1(f) -- one byte
local n = byte(f:read(1))
if n >= 0x80 then
- return n - 0xFF - 1
+ -- return n - 0xFF - 1
+ return n - 0x100
else
return n
end
@@ -104,12 +109,27 @@ function files.readcardinal2(f)
local a, b = byte(f:read(2),1,2)
return 0x100 * a + b
end
+function files.readcardinal2le(f)
+ local b, a = byte(f:read(2),1,2)
+ return 0x100 * a + b
+end
function files.readinteger2(f)
local a, b = byte(f:read(2),1,2)
local n = 0x100 * a + b
if n >= 0x8000 then
- return n - 0xFFFF - 1
+ -- return n - 0xFFFF - 1
+ return n - 0x10000
+ else
+ return n
+ end
+end
+function files.readinteger2le(f)
+ local b, a = byte(f:read(2),1,2)
+ local n = 0x100 * a + b
+ if n >= 0x8000 then
+ -- return n - 0xFFFF - 1
+ return n - 0x10000
else
return n
end
@@ -119,17 +139,57 @@ function files.readcardinal3(f)
local a, b, c = byte(f:read(3),1,3)
return 0x10000 * a + 0x100 * b + c
end
+function files.readcardinal3le(f)
+ local c, b, a = byte(f:read(3),1,3)
+ return 0x10000 * a + 0x100 * b + c
+end
+
+function files.readinteger3(f)
+ local a, b, c = byte(f:read(3),1,3)
+ local n = 0x10000 * a + 0x100 * b + c
+ if n >= 0x80000 then
+ -- return n - 0xFFFFFF - 1
+ return n - 0x1000000
+ else
+ return n
+ end
+end
+function files.readinteger3le(f)
+ local c, b, a = byte(f:read(3),1,3)
+ local n = 0x10000 * a + 0x100 * b + c
+ if n >= 0x80000 then
+ -- return n - 0xFFFFFF - 1
+ return n - 0x1000000
+ else
+ return n
+ end
+end
function files.readcardinal4(f)
local a, b, c, d = byte(f:read(4),1,4)
return 0x1000000 * a + 0x10000 * b + 0x100 * c + d
end
+function files.readcardinal4le(f)
+ local d, c, b, a = byte(f:read(4),1,4)
+ return 0x1000000 * a + 0x10000 * b + 0x100 * c + d
+end
function files.readinteger4(f)
local a, b, c, d = byte(f:read(4),1,4)
local n = 0x1000000 * a + 0x10000 * b + 0x100 * c + d
if n >= 0x8000000 then
- return n - 0xFFFFFFFF - 1
+ -- return n - 0xFFFFFFFF - 1
+ return n - 0x100000000
+ else
+ return n
+ end
+end
+function files.readinteger4le(f)
+ local d, c, b, a = byte(f:read(4),1,4)
+ local n = 0x1000000 * a + 0x10000 * b + 0x100 * c + d
+ if n >= 0x8000000 then
+ -- return n - 0xFFFFFFFF - 1
+ return n - 0x100000000
else
return n
end
@@ -139,23 +199,28 @@ function files.readfixed4(f)
local a, b, c, d = byte(f:read(4),1,4)
local n = 0x100 * a + b
if n >= 0x8000 then
- return n - 0xFFFF - 1 + (0x100 * c + d)/0xFFFF
+ -- return n - 0xFFFF - 1 + (0x100 * c + d)/0xFFFF
+ return n - 0x10000 + (0x100 * c + d)/0xFFFF
else
return n + (0x100 * c + d)/0xFFFF
end
end
-function files.read2dot14(f)
- local a, b = byte(f:read(2),1,2)
- local n = 0x100 * a + b
- local m = extract(n,0,30)
- if n > 0x7FFF then
- n = extract(n,30,2)
- return m/0x4000 - 4
- else
- n = extract(n,30,2)
- return n + m/0x4000
+if extract then
+
+ function files.read2dot14(f)
+ local a, b = byte(f:read(2),1,2)
+ local n = 0x100 * a + b
+ local m = extract(n,0,30)
+ if n > 0x7FFF then
+ n = extract(n,30,2)
+ return m/0x4000 - 4
+ else
+ n = extract(n,30,2)
+ return n + m/0x4000
+ end
end
+
end
function files.skipshort(f,n)
@@ -165,3 +230,32 @@ end
function files.skiplong(f,n)
f:read(4*(n or 1))
end
+
+-- writers (kind of slow)
+
+function files.writecardinal2(f,n)
+ local a = char(n % 256)
+ n = floor(n/256)
+ local b = char(n % 256)
+ f:write(b,a)
+end
+
+function files.writecardinal4(f,n)
+ local a = char(n % 256)
+ n = floor(n/256)
+ local b = char(n % 256)
+ n = floor(n/256)
+ local c = char(n % 256)
+ n = floor(n/256)
+ local d = char(n % 256)
+ f:write(d,c,b,a)
+end
+
+function files.writestring(f,s)
+ f:write(char(byte(s,1,#s)))
+end
+
+function files.writebyte(f,b)
+ f:write(char(b))
+end
+
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-jsn.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-jsn.lua
index bbe25d89df8..e835c07d648 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-jsn.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-jsn.lua
@@ -64,18 +64,19 @@ local jnumber = (1-whitespace-rparent-rbrace-comma)^1 / tonumber
local key = jstring
local jsonconverter = { "value",
- object = lbrace * Cf(Ct("") * V("pair") * (comma * V("pair"))^0,rawset) * rbrace,
- pair = Cg(optionalws * key * optionalws * colon * V("value")),
- array = Ct(lparent * V("value") * (comma * V("value"))^0 * rparent),
- value = optionalws * (jstring + V("object") + V("array") + jtrue + jfalse + jnull + jnumber + #rparent) * optionalws,
+ hash = lbrace * Cf(Ct("") * (V("pair") * (comma * V("pair"))^0 + optionalws),rawset) * rbrace,
+ pair = Cg(optionalws * key * optionalws * colon * V("value")),
+ array = Ct(lparent * (V("value") * (comma * V("value"))^0 + optionalws) * rparent),
+-- value = optionalws * (jstring + V("hash") + V("array") + jtrue + jfalse + jnull + jnumber + #rparent) * optionalws,
+ value = optionalws * (jstring + V("hash") + V("array") + jtrue + jfalse + jnull + jnumber) * optionalws,
}
-- local jsonconverter = { "value",
--- object = lbrace * Cf(Ct("") * V("pair") * (comma * V("pair"))^0,rawset) * rbrace,
--- pair = Cg(optionalws * V("string") * optionalws * colon * V("value")),
--- array = Ct(lparent * V("value") * (comma * V("value"))^0 * rparent),
--- string = jstring,
--- value = optionalws * (V("string") + V("object") + V("array") + jtrue + jfalse + jnull + jnumber) * optionalws,
+-- hash = lbrace * Cf(Ct("") * (V("pair") * (comma * V("pair"))^0 + optionalws),rawset) * rbrace,
+-- pair = Cg(optionalws * V("string") * optionalws * colon * V("value")),
+-- array = Ct(lparent * (V("value") * (comma * V("value"))^0 + optionalws) * rparent),
+-- string = jstring,
+-- value = optionalws * (V("string") + V("hash") + V("array") + jtrue + jfalse + jnull + jnumber) * optionalws,
-- }
-- lpeg.print(jsonconverter) -- size 181
@@ -156,3 +157,5 @@ end
-- inspect(tmp)
-- inspect(json.tostring(true))
+
+return json
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-lua.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-lua.lua
index e1dcdc94d57..b3346006c94 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-lua.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-lua.lua
@@ -158,3 +158,21 @@ end
-- luautilities.registerdatatype(lpeg.P("!"),"lpeg")
--
-- print(luautilities.datatype(lpeg.P("oeps")))
+
+-- These finalizers will only be invoked when we have a proper lua_close
+-- call (which is not happening in luatex tex node yes) or finish with an
+-- os.exit(n,true).
+
+local finalizers = { }
+
+setmetatable(finalizers, {
+ __gc = function(t)
+ for i=1,#t do
+ pcall(t[i]) -- let's not crash
+ end
+ end
+} )
+
+function luautilities.registerfinalizer(f)
+ finalizers[#finalizers+1] = f
+end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-prs.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-prs.lua
index 01138f1bbb3..650a7ead6ae 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-prs.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-prs.lua
@@ -36,6 +36,8 @@ local lbrace = P("{")
local rbrace = P("}")
local lparent = P("(")
local rparent = P(")")
+local lbracket = P("[")
+local rbracket = P("]")
local period = S(".")
local punctuation = S(".,:;")
local spacer = lpegpatterns.spacer
@@ -44,8 +46,9 @@ local newline = lpegpatterns.newline
local anything = lpegpatterns.anything
local endofstring = lpegpatterns.endofstring
-local nobrace = 1 - (lbrace + rbrace )
-local noparent = 1 - (lparent + rparent)
+local nobrace = 1 - (lbrace + rbrace )
+local noparent = 1 - (lparent + rparent)
+local nobracket = 1 - (lbracket + rbracket)
-- we could use a Cf Cg construct
@@ -56,11 +59,12 @@ lpegpatterns.balanced = P {
[2] = left * V(1) * right
}
-local nestedbraces = P { lbrace * (nobrace + V(1))^0 * rbrace }
-local nestedparents = P { lparent * (noparent + V(1))^0 * rparent }
-local spaces = space^0
-local argument = Cs((lbrace/"") * ((nobrace + nestedbraces)^0) * (rbrace/""))
-local content = (1-endofstring)^0
+local nestedbraces = P { lbrace * (nobrace + V(1))^0 * rbrace }
+local nestedparents = P { lparent * (noparent + V(1))^0 * rparent }
+local nestedbrackets = P { lbracket * (nobracket + V(1))^0 * rbracket }
+local spaces = space^0
+local argument = Cs((lbrace/"") * ((nobrace + nestedbraces)^0) * (rbrace/""))
+local content = (1-endofstring)^0
lpegpatterns.nestedbraces = nestedbraces -- no capture
lpegpatterns.nestedparents = nestedparents -- no capture
@@ -79,10 +83,6 @@ local pattern_b = spaces * comma^0 * spaces * (key * ((spaces * equal * spaces *
-- "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
--- todo: rewrite to fold etc
---
--- parse = lpeg.Cf(lpeg.Carg(1) * lpeg.Cg(key * equal * value) * separator^0,rawset)^0 -- lpeg.match(parse,"...",1,hash)
-
local hash = { }
local function set(key,value)
@@ -193,6 +193,33 @@ function parsers.settings_to_array(str,strict)
end
end
+function parsers.settings_to_numbers(str)
+ if not str or str == "" then
+ return { }
+ end
+ if type(str) == "table" then
+ -- fall through
+ elseif find(str,",",1,true) then
+ str = lpegmatch(pattern,str)
+ else
+ return { tonumber(str) }
+ end
+ for i=1,#str do
+ str[i] = tonumber(str[i])
+ end
+ return str
+end
+
+local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace)
+ + C((nestedbraces + nestedbrackets + nestedparents + (1-comma))^0)
+local pattern = spaces * Ct(value*(separator*value)^0)
+
+function parsers.settings_to_array_obey_fences(str)
+ return lpegmatch(pattern,str)
+end
+
+-- inspect(parsers.settings_to_array_obey_fences("url(http://a,b.c)"))
+
-- this one also strips end spaces before separators
--
-- "{123} , 456 " -> "123" "456"
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua
index 95534c8d87f..fb510257a2f 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua
@@ -10,7 +10,7 @@ utilities = utilities or { }
utilities.strings = utilities.strings or { }
local strings = utilities.strings
-local format, gsub, rep, sub = string.format, string.gsub, string.rep, string.sub
+local format, gsub, rep, sub, find = string.format, string.gsub, string.rep, string.sub, string.find
local load, dump = load, string.dump
local tonumber, type, tostring = tonumber, type, tostring
local unpack, concat = table.unpack, table.concat
@@ -385,6 +385,43 @@ function number.signed(i)
end
end
+-- maybe to util-num
+
+local digit = patterns.digit
+local period = patterns.period
+local three = digit * digit * digit
+
+local splitter = Cs (
+ (((1 - (three^1 * period))^1 + C(three)) * (Carg(1) * three)^1 + C((1-period)^1))
+ * (P(1)/"" * Carg(2)) * C(2)
+)
+
+patterns.formattednumber = splitter
+
+function number.formatted(n,sep1,sep2)
+ local s = type(s) == "string" and n or format("%0.2f",n)
+ if sep1 == true then
+ return lpegmatch(splitter,s,1,".",",")
+ elseif sep1 == "." then
+ return lpegmatch(splitter,s,1,sep1,sep2 or ",")
+ elseif sep1 == "," then
+ return lpegmatch(splitter,s,1,sep1,sep2 or ".")
+ else
+ return lpegmatch(splitter,s,1,sep1 or ",",sep2 or ".")
+ end
+end
+
+-- print(number.formatted(1))
+-- print(number.formatted(12))
+-- print(number.formatted(123))
+-- print(number.formatted(1234))
+-- print(number.formatted(12345))
+-- print(number.formatted(123456))
+-- print(number.formatted(1234567))
+-- print(number.formatted(12345678))
+-- print(number.formatted(12345678,true))
+-- print(number.formatted(1234.56,"!","?"))
+
local zero = P("0")^1 / ""
local plus = P("+") / ""
local minus = P("-")
@@ -732,43 +769,6 @@ local format_W = function(f) -- handy when doing depth related indent
return format("nspaces[%s]",tonumber(f) or 0)
end
--- maybe to util-num
-
-local digit = patterns.digit
-local period = patterns.period
-local three = digit * digit * digit
-
-local splitter = Cs (
- (((1 - (three^1 * period))^1 + C(three)) * (Carg(1) * three)^1 + C((1-period)^1))
- * (P(1)/"" * Carg(2)) * C(2)
-)
-
-patterns.formattednumber = splitter
-
-function number.formatted(n,sep1,sep2)
- local s = type(s) == "string" and n or format("%0.2f",n)
- if sep1 == true then
- return lpegmatch(splitter,s,1,".",",")
- elseif sep1 == "." then
- return lpegmatch(splitter,s,1,sep1,sep2 or ",")
- elseif sep1 == "," then
- return lpegmatch(splitter,s,1,sep1,sep2 or ".")
- else
- return lpegmatch(splitter,s,1,sep1 or ",",sep2 or ".")
- end
-end
-
--- print(number.formatted(1))
--- print(number.formatted(12))
--- print(number.formatted(123))
--- print(number.formatted(1234))
--- print(number.formatted(12345))
--- print(number.formatted(123456))
--- print(number.formatted(1234567))
--- print(number.formatted(12345678))
--- print(number.formatted(12345678,true))
--- print(number.formatted(1234.56,"!","?"))
-
local format_m = function(f)
n = n + 1
if not f or f == "" then
@@ -801,9 +801,16 @@ end
local format_extension = function(extensions,f,name)
local extension = extensions[name] or "tostring(%s)"
local f = tonumber(f) or 1
+ local w = find(extension,"%.%.%.")
if f == 0 then
+ if w then
+ extension = gsub(extension,"%.%.%.","")
+ end
return extension
elseif f == 1 then
+ if w then
+ extension = gsub(extension,"%.%.%.","%%s")
+ end
n = n + 1
local a = "a" .. n
return format(extension,a,a) -- maybe more times?
@@ -811,10 +818,16 @@ local format_extension = function(extensions,f,name)
local a = "a" .. (n + f + 1)
return format(extension,a,a)
else
+ if w then
+ extension = gsub(extension,"%.%.%.",rep("%%s,",f-1).."%%s")
+ end
+ -- we could fill an array and then n = n + 1 unpack(t,n,n+f) but as we
+ -- cache we don't save much and there are hardly any extensions anyway
local t = { }
for i=1,f do
n = n + 1
- t[#t+1] = "a" .. n
+ -- t[#t+1] = "a" .. n
+ t[i] = "a" .. n
end
return format(extension,unpack(t))
end
@@ -822,6 +835,10 @@ end
-- aA b cC d eE f gG hH iI jJ lL mM N o p qQ r sS tT uU wW xX z
+-- extensions : %!tag!
+
+-- can be made faster but not called that often
+
local builder = Cs { "start",
start = (
(
@@ -850,10 +867,10 @@ local builder = Cs { "start",
+ V("a") -- new
+ V("A") -- new
+ V("j") + V("J") -- stripped e E
- + V("m") + V("M") -- new
+ + V("m") + V("M") -- new (formatted number)
+ V("z") -- new
--
- -- + V("?") -- ignores probably messed up %
+ -- + V("?") -- ignored, probably messed up %
)
+ V("*")
)
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tab.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tab.lua
index a6239adf409..0521a2a4f14 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tab.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tab.lua
@@ -12,7 +12,7 @@ local tables = utilities.tables
local format, gmatch, gsub, sub = string.format, string.gmatch, string.gsub, string.sub
local concat, insert, remove, sort = table.concat, table.insert, table.remove, table.sort
-local setmetatable, getmetatable, tonumber, tostring = setmetatable, getmetatable, tonumber, tostring
+local setmetatable, getmetatable, tonumber, tostring, rawget = setmetatable, getmetatable, tonumber, tostring, rawget
local type, next, rawset, tonumber, tostring, load, select = type, next, rawset, tonumber, tostring, load, select
local lpegmatch, P, Cs, Cc = lpeg.match, lpeg.P, lpeg.Cs, lpeg.Cc
local sortedkeys, sortedpairs = table.sortedkeys, table.sortedpairs
@@ -169,7 +169,8 @@ function table.tocsv(t,specification)
r[f] = tostring(field)
end
end
- result[#result+1] = concat(r,separator)
+ -- result[#result+1] = concat(r,separator)
+ result[i+1] = concat(r,separator)
end
return concat(result,"\n")
else
@@ -485,11 +486,12 @@ end
local selfmapper = { __index = function(t,k) t[k] = k return k end }
-function table.twowaymapper(t)
- if not t then
- t = { }
- else
- for i=0,#t do
+function table.twowaymapper(t) -- takes a 0/1 .. n indexed table and returns
+ if not t then -- it with string-numbers as indices + reverse
+ t = { } -- mapping (all strings) .. used in cvs etc but
+ else -- typically a helper that one forgets about
+ local zero = rawget(t,0) -- so it might move someplace else
+ for i=zero and 0 or 1,#t do
local ti = t[i] -- t[1] = "one"
if ti then
local i = tostring(i)
@@ -497,7 +499,6 @@ function table.twowaymapper(t)
t[ti] = i -- t["one"] = "1"
end
end
- t[""] = t[0] or ""
end
-- setmetatableindex(t,"key")
setmetatable(t,selfmapper)
@@ -616,7 +617,8 @@ local function serialize(root,name,specification)
return nil
end
end
- local haszero = t[0]
+ -- local haszero = t[0]
+ local haszero = rawget(t,0) -- don't trigger meta
if n == nt then
local tt = { }
for i=1,nt do
@@ -680,7 +682,8 @@ local function serialize(root,name,specification)
local last = 0
last = #root
for k=1,last do
- if root[k] == nil then
+ if rawget(root,k) == nil then
+ -- if root[k] == nil then
last = k - 1
break
end
@@ -810,9 +813,10 @@ local function serialize(root,name,specification)
if root then
-- The dummy access will initialize a table that has a delayed initialization
- -- using a metatable. (maybe explicitly test for metatable)
+ -- using a metatable. (maybe explicitly test for metatable). This can crash on
+ -- metatables that check the index against a number.
if getmetatable(root) then -- todo: make this an option, maybe even per subtable
- local dummy = root._w_h_a_t_e_v_e_r_
+ local dummy = root._w_h_a_t_e_v_e_r_ -- needed
root._w_h_a_t_e_v_e_r_ = nil
end
-- Let's forget about empty tables.
@@ -833,5 +837,10 @@ end
table.serialize = serialize
if setinspector then
- setinspector("table",function(v) if type(v) == "table" then print(serialize(v,"table",{})) return true end end)
+ setinspector("table",function(v)
+ if type(v) == "table" then
+ print(serialize(v,"table",{ metacheck = false }))
+ return true
+ end
+ end)
end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs.lua
index 9810fd7b46a..1181bd1d840 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs.lua
@@ -7,7 +7,7 @@
-- lualibs.dtx (with options: `lualibs')
-- This is a generated file.
--
--- Copyright (C) 2009--2016 by
+-- Copyright (C) 2009--2017 by
-- PRAGMA ADE / ConTeXt Development Team
-- The LuaLaTeX Dev Team
--
@@ -25,8 +25,8 @@ lualibs = lualibs or { }
lualibs.module_info = {
name = "lualibs",
- version = 2.4,
- date = "2016-04-06",
+ version = 2.5,
+ date = "2017-02-01",
description = "ConTeXt Lua standard libraries.",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux & Philipp Gesang",
copyright = "PRAGMA ADE / ConTeXt Development Team",
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 06:37:52 +0000