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-rw-r--r--Master/texmf-dist/doc/luatex/lualibs/NEWS4
-rw-r--r--Master/texmf-dist/doc/luatex/lualibs/lualibs.pdfbin79542 -> 79489 bytes
-rw-r--r--Master/texmf-dist/source/luatex/lualibs/lualibs.dtx41
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-basic-merged.lua5067
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-basic.lua11
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-boolean.lua6
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua94
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-extended-merged.lua3082
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-extended.lua11
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-file.lua210
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua5
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-lpeg.lua329
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua45
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-math.lua4
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-md5.lua64
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-os.lua16
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua9
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua306
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-trac-inf.lua14
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-unicode.lua675
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-url.lua68
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-dim.lua4
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-fmt.lua76
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-prs.lua124
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sta.lua22
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sto.lua21
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua54
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tab.lua144
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tpl.lua41
-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs.lua11
30 files changed, 9637 insertions, 921 deletions
diff --git a/Master/texmf-dist/doc/luatex/lualibs/NEWS b/Master/texmf-dist/doc/luatex/lualibs/NEWS
index 7561091cd32..01642e6fbcc 100644
--- a/Master/texmf-dist/doc/luatex/lualibs/NEWS
+++ b/Master/texmf-dist/doc/luatex/lualibs/NEWS
@@ -1,4 +1,8 @@
History of the lualibs package
+2015/12/02 v2.3/
+ * sync with Context beta as of 2015-11-19
+ * basic maintainance
+
2014/05/05 v2.2/
* sync with Context beta as of 2014-07-26
* remove util-env.lua
diff --git a/Master/texmf-dist/doc/luatex/lualibs/lualibs.pdf b/Master/texmf-dist/doc/luatex/lualibs/lualibs.pdf
index e02c951286d..7a6b98ca2f0 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/lualibs.dtx b/Master/texmf-dist/source/luatex/lualibs/lualibs.dtx
index 8d43a34aab8..23ba5d8a79a 100644
--- a/Master/texmf-dist/source/luatex/lualibs/lualibs.dtx
+++ b/Master/texmf-dist/source/luatex/lualibs/lualibs.dtx
@@ -1,6 +1,9 @@
% \iffalse meta-comment
%
-% Copyright (C) 2009--2014 by PRAGMA ADE / ConTeXt Development Team
+% Copyright (C) 2009--2015 by
+%
+% PRAGMA ADE / ConTeXt Development Team
+% The LuaLaTeX Dev Team
%
% See ConTeXt's mreadme.pdf for the license.
%
@@ -34,7 +37,7 @@
\input docstrip.tex
\Msg{************************************************************************}
\Msg{* Installation}
-\Msg{* Package: lualibs 2014-07-26 v2.2 Lua additional functions.}
+\Msg{* Package: lualibs 2015-12-02 v2.3 Lua additional functions.}
\Msg{************************************************************************}
\keepsilent
@@ -45,12 +48,15 @@
\preamble
This is a generated file.
-Copyright (C) 2009--2014 by PRAGMA ADE / ConTeXt Development Team
+Copyright (C) 2009--2015 by
+ PRAGMA ADE / ConTeXt Development Team
+ The LuaLaTeX Dev Team
See ConTeXt's mreadme.pdf for the license.
This work consists of the main source file lualibs.dtx
-and the derived file lualibs.lua.
+and the derived files lualibs.lua, lualibs-basic.lua,
+and lualibs-extended.lua.
\endpreamble
@@ -101,7 +107,7 @@ and the derived file lualibs.lua.
%<*driver>
\NeedsTeXFormat{LaTeX2e}
\ProvidesFile{lualibs.drv}
- [2014/07/26 v2.2 Lua Libraries.]
+ [2015/12/02 v2.3 Lua Libraries.]
\documentclass{ltxdoc}
\usepackage{fancyvrb,xspace}
\usepackage[x11names]{xcolor}
@@ -149,7 +155,7 @@ and the derived file lualibs.lua.
\definehighlight [fileent][\ttfamily\restoreunderscore] %% files, dirs
\definehighlight [texmacro][\sffamily\itshape\textbackslash] %% cs
-\definehighlight[luafunction][\sffamily\itshape\restoreunderscore] %% lua identifiers
+\definehighlight [luaident][\sffamily\itshape\restoreunderscore] %% lua identifiers
\definehighlight [identifier][\sffamily] %% names
\definehighlight [abbrev][\rmfamily\scshape] %% acronyms
\definehighlight [emphasis][\rmfamily\slshape] %% level 1 emph
@@ -202,7 +208,7 @@ and the derived file lualibs.lua.
% \GetFileInfo{lualibs.drv}
%
% \title{The \identifier{lualibs} package}
-% \date{2014/07/26 v2.2}
+% \date{2015/12/02 v2.3}
% \author{Élie Roux · \email{elie.roux@telecom-bretagne.eu}\\
% Philipp Gesang · \email{philipp.gesang@alumni.uni-heidelberg.de}}
%
@@ -246,7 +252,7 @@ and the derived file lualibs.lua.
% \CONTEXT loads with every run.
% }
% the \identifier{lualibs} package can skip loading of the latter on demand.
-% The \luafunction{config} table needs to be present prior to loading the
+% The \luaident{config} table needs to be present prior to loading the
% package for this to work (in the future this may be achieved by an option of
% \texmacro{usepackage}) for \LATEX users).
% In the \verb|lualibs| field, set \verb|load_extended| to false:
@@ -282,7 +288,7 @@ and the derived file lualibs.lua.
%
% \noindent
% If your code is run by the \fileent{texlua} intepreter, you will need to
-% initialize \luafunction{kpse} library so that |require()| can find files
+% initialize \luaident{kpse} library so that |require()| can find files
% under \abbrev{texmf} tree: |kpse.set_program_name("luatex")|.
%
% \section{Files}
@@ -363,11 +369,14 @@ and the derived file lualibs.lua.
% This is achieved by means of \identifier{mtx-package}, a script for bundling
% \LUA code shipped with \CONTEXT.
% This concatenates the code of several \LUA files into a single file that is
-% both easier to distribute and loading (marginally) faster.
+% both easier to distribute and loading marginally faster.
% \identifier{mtx-package} ensures that the code from each file gets its
% own closure and strips newlines and comments, resulting in a smaller payload.
% Another package that relies on it heavily is the font loader as contained in
% \identifier{luaotfload} and \identifier{luatex-fonts}.
+% \identifier{Luaotfload}, a port of the \CONTEXT fontloader for Plain and
+% \LATEX, has a hard dependency on the functionality provided by the %
+% \identifier{Lualibs} package. The packages should not be updated independently.
%
% If \CONTEXT is installed on the system, the merge files can be created
% by running:
@@ -417,8 +426,8 @@ lualibs = lualibs or { }
lualibs.module_info = {
name = "lualibs",
- version = 2.2,
- date = "2014-07-26",
+ version = 2.3,
+ date = "2015-12-02",
description = "ConTeXt Lua standard libraries.",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux & Philipp Gesang",
copyright = "PRAGMA ADE / ConTeXt Development Team",
@@ -572,8 +581,8 @@ local loadmodule = lualibs.loadmodule
local lualibs_basic_module = {
name = "lualibs-basic",
- version = 2.2,
- date = "2014-07-26",
+ version = 2.3,
+ date = "2015-12-02",
description = "ConTeXt Lua libraries -- basic collection.",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux & Philipp Gesang",
copyright = "PRAGMA ADE / ConTeXt Development Team",
@@ -654,8 +663,8 @@ lualibs = lualibs or { }
local lualibs_extended_module = {
name = "lualibs-extended",
- version = 2.2,
- date = "2014-07-26",
+ version = 2.3,
+ date = "2015-12-02",
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
new file mode 100644
index 00000000000..fecdf77232c
--- /dev/null
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic-merged.lua
@@ -0,0 +1,5067 @@
+-- merged file : lualibs-basic-merged.lua
+-- parent file : lualibs-basic.lua
+-- merge date : Wed Dec 2 07:52:44 2015
+
+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"
+}
+local major,minor=string.match(_VERSION,"^[^%d]+(%d+)%.(%d+).*$")
+_MAJORVERSION=tonumber(major) or 5
+_MINORVERSION=tonumber(minor) or 1
+_LUAVERSION=_MAJORVERSION+_MINORVERSION/10
+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)
+ local variant=type(mapping)
+ if variant=="table" then
+ 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)/mapping+p_utf8char)^0)
+ end
+ return lpegmatch(pattern,str)
+ end
+ end
+ elseif option=="pattern" then
+ return Cs((tabletopattern(mapping)/mapping+p_utf8char)^0)
+ else
+ local pattern=Cs((tabletopattern(mapping)/mapping+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 e1da77bc72a..7c8e6f71a96 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-basic.lua
@@ -7,12 +7,15 @@
-- lualibs.dtx (with options: `basic')
-- This is a generated file.
--
--- Copyright (C) 2009--2014 by PRAGMA ADE / ConTeXt Development Team
+-- Copyright (C) 2009--2015 by
+-- PRAGMA ADE / ConTeXt Development Team
+-- The LuaLaTeX Dev Team
--
-- See ConTeXt's mreadme.pdf for the license.
--
-- This work consists of the main source file lualibs.dtx
--- and the derived file lualibs.lua.
+-- and the derived files lualibs.lua, lualibs-basic.lua,
+-- and lualibs-extended.lua.
--
-- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -26,8 +29,8 @@ local loadmodule = lualibs.loadmodule
local lualibs_basic_module = {
name = "lualibs-basic",
- version = 2.2,
- date = "2014-07-26",
+ version = 2.3,
+ date = "2015-12-02",
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-boolean.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-boolean.lua
index 8d11080e7fc..8f18d4c003d 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-boolean.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-boolean.lua
@@ -57,11 +57,11 @@ function string.booleanstring(str)
end
end
-function string.is_boolean(str,default)
+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 str == "1" 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 str == "0" then
+ elseif str == "false" or str == "no" or str == "off" or str == "f" or (not strict and str == "0") then
return false
end
end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua
index bcf28d01121..81ac65e506d 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua
@@ -6,7 +6,8 @@ if not modules then modules = { } end modules ['l-dir'] = {
license = "see context related readme files"
}
--- dir.expandname will be merged with cleanpath and collapsepath
+-- todo: dir.expandname will be sped up and merged with cleanpath and collapsepath
+-- todo: keep track of currentdir (chdir, pushdir, popdir)
local type, select = type, select
local find, gmatch, match, gsub, sub = string.find, string.gmatch, string.match, string.gsub, string.sub
@@ -156,7 +157,7 @@ end
local function globpattern(path,patt,recurse,method)
local kind = type(method)
- if pattern and sub(patt,1,-3) == path then
+ if patt and sub(patt,1,-3) == path then
patt = false
end
if kind == "function" then
@@ -209,7 +210,7 @@ end
dir.collectpattern = collectpattern
-local separator
+local separator, pattern
if onwindows then -- we could sanitize here
@@ -490,52 +491,63 @@ end
dir.makedirs = dir.mkdirs
--- we can only define it here as it uses dir.current
-if onwindows then
+do
- function dir.expandname(str) -- will be merged with cleanpath and collapsepath\
- local first, nothing, last = match(str,"^(//)(//*)(.*)$")
- if first then
- first = dir.current() .. "/" -- dir.current sanitizes
- 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 = dir.current()
+ -- we can only define it here as it uses dir.chdir and we also need to
+ -- make sure we use the non sandboxed variant because otherwise we get
+ -- into a recursive loop due to usage of expandname in the file resolver
+
+ local chdir = sandbox and sandbox.original(chdir) or chdir
+
+ if onwindows then
+
+ local xcurrentdir = dir.current
+
+ function dir.expandname(str) -- will be merged with cleanpath and collapsepath\
+ local first, nothing, last = match(str,"^(//)(//*)(.*)$")
+ if first then
+ first = xcurrentdir() .. "/" -- xcurrentdir sanitizes
+ end
+ if not first then
+ first, last = match(str,"^(//)/*(.*)$")
+ end
+ if not first then
+ first, last = match(str,"^([a-zA-Z]:)(.*)$")
+ if first and not find(last,"^/") then
+ local d = currentdir() -- push / pop
+ if chdir(first) then
+ first = xcurrentdir() -- xcurrentdir sanitizes
+ end
+ chdir(d)
end
- chdir(d)
+ end
+ if not first then
+ first, last = xcurrentdir(), str
+ end
+ last = gsub(last,"//","/")
+ last = gsub(last,"/%./","/")
+ last = gsub(last,"^/*","")
+ first = gsub(first,"/*$","")
+ if last == "" or last == "." then
+ return first
+ else
+ return first .. "/" .. last
end
end
- if not first then
- first, last = dir.current(), str
- end
- last = gsub(last,"//","/")
- last = gsub(last,"/%./","/")
- last = gsub(last,"^/*","")
- first = gsub(first,"/*$","")
- if last == "" or last == "." then
- return first
- else
- return first .. "/" .. last
- end
- end
-else
+ else
- function dir.expandname(str) -- will be merged with cleanpath and collapsepath
- if not find(str,"^/") then
- str = currentdir() .. "/" .. str
+ function dir.expandname(str) -- will be merged with cleanpath and collapsepath
+ if not find(str,"^/") then
+ str = currentdir() .. "/" .. str
+ end
+ str = gsub(str,"//","/")
+ str = gsub(str,"/%./","/")
+ str = gsub(str,"(.)/%.$","%1")
+ return str
end
- str = gsub(str,"//","/")
- str = gsub(str,"/%./","/")
- str = gsub(str,"(.)/%.$","%1")
- return str
+
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
new file mode 100644
index 00000000000..3c30f8b7bdc
--- /dev/null
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended-merged.lua
@@ -0,0 +1,3082 @@
+-- merged file : lualibs-extended-merged.lua
+-- parent file : lualibs-extended.lua
+-- merge date : Wed Dec 2 07:52:44 2015
+
+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-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 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,t)
+ return str and lpegmatch(pattern,str) or {}
+end
+function parsers.simple_hash_to_string(h,separator)
+ local t,tn={},0
+ for k,v in sortedhash(h) do
+ if v then
+ tn=tn+1
+ t[tn]=k
+ end
+ end
+ return concat(t,separator or ",")
+end
+local 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 list=status.list()
+ local hashchar=tonumber(list.luatex_hashchars)
+ 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(),
+ list.luatex_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 36517f86b06..67455628911 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-extended.lua
@@ -7,12 +7,15 @@
-- lualibs.dtx (with options: `extended')
-- This is a generated file.
--
--- Copyright (C) 2009--2014 by PRAGMA ADE / ConTeXt Development Team
+-- Copyright (C) 2009--2015 by
+-- PRAGMA ADE / ConTeXt Development Team
+-- The LuaLaTeX Dev Team
--
-- See ConTeXt's mreadme.pdf for the license.
--
-- This work consists of the main source file lualibs.dtx
--- and the derived file lualibs.lua.
+-- and the derived files lualibs.lua, lualibs-basic.lua,
+-- and lualibs-extended.lua.
--
-- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -27,8 +30,8 @@ lualibs = lualibs or { }
local lualibs_extended_module = {
name = "lualibs-extended",
- version = 2.2,
- date = "2014-07-26",
+ version = 2.3,
+ date = "2015-12-02",
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 c05372a053d..7ed6370f260 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-file.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-file.lua
@@ -15,51 +15,53 @@ if not lfs then
lfs = optionalrequire("lfs")
end
-if not lfs then
-
- lfs = {
- getcurrentdir = function()
- return "."
- end,
- attributes = function()
- return nil
- end,
- isfile = function(name)
- local f = io.open(name,'rb')
- if f then
- f:close()
- return true
- end
- end,
- isdir = function(name)
- print("you need to load lfs")
- return false
- end
- }
-
-elseif not lfs.isfile then
-
- local attributes = lfs.attributes
-
- function lfs.isdir(name)
- return attributes(name,"mode") == "directory"
- end
-
- function lfs.isfile(name)
- return attributes(name,"mode") == "file"
- end
-
- -- function lfs.isdir(name)
- -- local a = attributes(name)
- -- return a and a.mode == "directory"
- -- end
-
- -- function lfs.isfile(name)
- -- local a = attributes(name)
- -- return a and a.mode == "file"
- -- end
-
-end
+-- -- see later
+--
+-- if not lfs then
+--
+-- lfs = {
+-- getcurrentdir = function()
+-- return "."
+-- end,
+-- attributes = function()
+-- return nil
+-- end,
+-- isfile = function(name)
+-- local f = io.open(name,'rb')
+-- if f then
+-- f:close()
+-- return true
+-- end
+-- end,
+-- isdir = function(name)
+-- print("you need to load lfs")
+-- return false
+-- end
+-- }
+--
+-- elseif not lfs.isfile then
+--
+-- local attributes = lfs.attributes
+--
+-- function lfs.isdir(name)
+-- return attributes(name,"mode") == "directory"
+-- end
+--
+-- function lfs.isfile(name)
+-- return attributes(name,"mode") == "file"
+-- end
+--
+-- -- function lfs.isdir(name)
+-- -- local a = attributes(name)
+-- -- return a and a.mode == "directory"
+-- -- end
+--
+-- -- function lfs.isfile(name)
+-- -- local a = attributes(name)
+-- -- return a and a.mode == "file"
+-- -- end
+--
+-- end
local insert, concat = table.insert, table.concat
local match, find, gmatch = string.match, string.find, string.gmatch
@@ -72,6 +74,28 @@ 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
+-- better this way:
+
+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("..")
@@ -133,8 +157,8 @@ file.suffix = suffixonly
file.suffixesonly = suffixesonly
file.suffixes = suffixesonly
-file.dirname = pathpart -- obsolete
-file.extname = suffixonly -- obsolete
+file.dirname = pathpart -- obsolete
+file.extname = suffixonly -- obsolete
-- actually these are schemes
@@ -385,31 +409,90 @@ local deslasher = lpeg.replacer(S("\\/")^1,"/")
-- then we still have to deal with urls ... anyhow, multiple // are never a real
-- problem but just ugly.
-function file.join(...)
- local lst = { ... }
- local one = lst[1]
+-- function file.join(...)
+-- local lst = { ... }
+-- local one = lst[1]
+-- if lpegmatch(isnetwork,one) then
+-- local one = lpegmatch(reslasher,one)
+-- local two = lpegmatch(deslasher,concat(lst,"/",2))
+-- if lpegmatch(hasroot,two) then
+-- return one .. two
+-- else
+-- return one .. "/" .. two
+-- end
+-- elseif lpegmatch(isroot,one) then
+-- local two = lpegmatch(deslasher,concat(lst,"/",2))
+-- if lpegmatch(hasroot,two) then
+-- return two
+-- else
+-- return "/" .. two
+-- end
+-- elseif one == "" then
+-- return lpegmatch(stripper,concat(lst,"/",2))
+-- else
+-- return lpegmatch(deslasher,concat(lst,"/"))
+-- end
+-- end
+
+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,concat(lst,"/",2))
+ 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,concat(lst,"/",2))
+ local two = lpegmatch(deslasher,three and concat({ two, three, ... },"/") or two)
if lpegmatch(hasroot,two) then
return two
else
return "/" .. two
end
- elseif one == "" then
- return lpegmatch(stripper,concat(lst,"/",2))
else
- return lpegmatch(deslasher,concat(lst,"/"))
+ return lpegmatch(deslasher,concat({ one, two, three, ... },"/"))
end
end
+-- or we can use this:
+--
+-- function file.join(...)
+-- local n = select("#",...)
+-- local one = select(1,...)
+-- if n == 1 then
+-- return one == "" and one or lpegmatch(stripper,one)
+-- end
+-- if one == "" then
+-- return lpegmatch(stripper,n > 2 and concat({ ... },"/",2) or select(2,...))
+-- end
+-- if lpegmatch(isnetwork,one) then
+-- local one = lpegmatch(reslasher,one)
+-- local two = lpegmatch(deslasher,n > 2 and concat({ ... },"/",2) or select(2,...))
+-- if lpegmatch(hasroot,two) then
+-- return one .. two
+-- else
+-- return one .. "/" .. two
+-- end
+-- elseif lpegmatch(isroot,one) then
+-- local two = lpegmatch(deslasher,n > 2 and concat({ ... },"/",2) or select(2,...))
+-- if lpegmatch(hasroot,two) then
+-- return two
+-- else
+-- return "/" .. two
+-- end
+-- else
+-- return lpegmatch(deslasher,concat({ ... },"/"))
+-- end
+-- end
+
+-- print(file.join("c:/whatever"))
-- print(file.join("c:/whatever","name"))
-- print(file.join("//","/y"))
-- print(file.join("/","/y"))
@@ -495,23 +578,6 @@ function file.collapsepath(str,anchor) -- anchor: false|nil, true, "."
end
end
--- better this way:
-
-local tricky = S("/\\") * P(-1)
-local attributes = lfs.attributes
-
-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 function test(str,...)
-- print(string.format("%-20s %-15s %-30s %-20s",str,file.collapsepath(str),file.collapsepath(str,true),file.collapsepath(str,".")))
-- end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua
index 020e811bf09..a91d44d8776 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-io.lua
@@ -339,11 +339,6 @@ function io.readstring(f,n,m)
return str
end
---
-
-if not io.i_limiter then function io.i_limiter() end end -- dummy so we can test safely
-if not io.o_limiter then function io.o_limiter() end end -- dummy so we can test safely
-
-- This works quite ok:
--
-- function io.piped(command,writer)
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-lpeg.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-lpeg.lua
index f3fd28b1dd2..5be12468bc6 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-lpeg.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-lpeg.lua
@@ -10,6 +10,8 @@ if not modules then modules = { } end modules ['l-lpeg'] = {
-- if i can use new features like capture / 2 and .B (at first sight the xml
-- parser is some 5% slower)
+-- lpeg.P("abc") is faster than lpeg.P("a") * lpeg.P("b") * lpeg.P("c")
+
-- a new lpeg fails on a #(1-P(":")) test and really needs a + P(-1)
-- move utf -> l-unicode
@@ -19,7 +21,7 @@ lpeg = require("lpeg")
-- The latest lpeg doesn't have print any more, and even the new ones are not
-- available by default (only when debug mode is enabled), which is a pitty as
--- as it helps nailign down bottlenecks. Performance seems comparable: some 10%
+-- as it helps nailing down bottlenecks. Performance seems comparable: some 10%
-- slower pattern compilation, same parsing speed, although,
--
-- local p = lpeg.C(lpeg.P(1)^0 * lpeg.P(-1))
@@ -80,7 +82,7 @@ local lpegtype, lpegmatch, lpegprint = lpeg.type, lpeg.match, lpeg.print
-- let's start with an inspector:
if setinspector then
- setinspector(function(v) if lpegtype(v) then lpegprint(v) return true end end)
+ setinspector("lpeg",function(v) if lpegtype(v) then lpegprint(v) return true end end)
end
-- Beware, we predefine a bunch of patterns here and one reason for doing so
@@ -145,6 +147,9 @@ patterns.utfbom_8 = utfbom_8
patterns.utf_16_be_nl = P("\000\r\000\n") + P("\000\r") + P("\000\n") -- P("\000\r") * (P("\000\n") + P(true)) + P("\000\n")
patterns.utf_16_le_nl = P("\r\000\n\000") + P("\r\000") + P("\n\000") -- P("\r\000") * (P("\n\000") + P(true)) + 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
@@ -183,10 +188,26 @@ local fullstripper = whitespace^0 * C((whitespace^0 * nonwhitespace^1)^0)
----- collapser = Cs(spacer^0/"" * ((spacer^1 * endofstring / "") + (spacer^1/" ") + P(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
@@ -815,121 +836,185 @@ end
-- experiment:
--- local function make(t)
--- local p
--- local keys = sortedkeys(t)
--- for i=1,#keys do
--- local k = keys[i]
--- local v = t[k]
--- if not p then
--- if next(v) then
--- p = P(k) * make(v)
--- else
--- p = P(k)
--- end
--- else
--- if next(v) then
--- p = p + P(k) * make(v)
--- else
--- p = p + P(k)
--- end
--- end
--- end
--- return p
--- end
-
--- local function make(t)
--- local p = P(false)
--- local keys = sortedkeys(t)
--- for i=1,#keys do
--- local k = keys[i]
--- local v = t[k]
--- if next(v) then
--- p = p + P(k) * make(v)
--- else
--- p = p + P(k)
--- end
--- end
--- return p
--- end
-
--- function lpeg.utfchartabletopattern(list) -- goes to util-lpg
--- local tree = { }
--- for i=1,#list do
--- local t = tree
--- for c in gmatch(list[i],".") do
--- local tc = t[c]
--- if not tc then
--- tc = { }
--- t[c] = tc
--- end
--- t = tc
--- end
--- end
--- return make(tree)
--- end
+local p_false = P(false)
+local p_true = P(true)
-local function make(t,hash)
- local p = P(false)
+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
+ -- can't happen
+ 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]
- local v = t[k]
- local h = hash[v]
- if h then
- if next(v) then
- p = p + P(k) * (make(v,hash) + P(true))
+ if k ~= "" then
+ local v = t[k]
+ if v == true then
+ p = p + P(k) * p_true
+ elseif v == false then
+ -- can't happen
else
- p = p + P(k) * P(true)
+ p = p + P(k) * making(v)
end
- else
- if next(v) then
- p = p + P(k) * make(v,hash)
+ 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
+ -- one entry
+ local k = n
+ local v = t[k]
+ if type(v) == "table" then
+ return collapse(v,x..k)
else
- p = p + P(k)
+ 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
- return p
end
function lpeg.utfchartabletopattern(list) -- goes to util-lpg
local tree = { }
- local hash = { }
local n = #list
if n == 0 then
- -- we could always use this branch
for s in next, list do
local t = tree
+ local p, pk
for c in gmatch(s,".") do
- local tc = t[c]
- if not tc then
- tc = { }
- t[c] = tc
+ 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
- t = tc
+ pk = c
+ end
+ if t == false then
+ p[pk] = true
+ elseif t == true then
+ -- okay
+ else
+ t[""] = true
end
- hash[t] = s
end
else
for i=1,n do
- local t = tree
local s = list[i]
+ local t = tree
+ local p, pk
for c in gmatch(s,".") do
- local tc = t[c]
- if not tc then
- tc = { }
- t[c] = tc
+ 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
- t = tc
+ pk = c
+ end
+ if t == false then
+ p[pk] = true
+ elseif t == true then
+ -- okay
+ else
+ t[""] = true
end
- hash[t] = s
end
end
- return make(tree,hash)
+-- collapse(tree,"") -- needs testing, maybe optional, slightly faster because P("x")*P("X") seems slower than P"(xX") (why)
+-- inspect(tree)
+ return make(tree)
end
--- inspect ( lpeg.utfchartabletopattern {
+-- local t = { "start", "stoep", "staart", "paard" }
+-- local p = lpeg.Cs((lpeg.utfchartabletopattern(t)/string.upper + 1)^1)
+
+-- local t = { "a", "abc", "ac", "abe", "abxyz", "xy", "bef","aa" }
+-- local p = lpeg.Cs((lpeg.utfchartabletopattern(t)/string.upper + 1)^1)
+
+-- inspect(lpegmatch(p,"a"))
+-- inspect(lpegmatch(p,"aa"))
+-- inspect(lpegmatch(p,"aaaa"))
+-- inspect(lpegmatch(p,"ac"))
+-- inspect(lpegmatch(p,"bc"))
+-- inspect(lpegmatch(p,"zzbczz"))
+-- inspect(lpegmatch(p,"zzabezz"))
+-- inspect(lpegmatch(p,"ab"))
+-- inspect(lpegmatch(p,"abc"))
+-- inspect(lpegmatch(p,"abe"))
+-- inspect(lpegmatch(p,"xa"))
+-- inspect(lpegmatch(p,"bx"))
+-- inspect(lpegmatch(p,"bax"))
+-- inspect(lpegmatch(p,"abxyz"))
+-- inspect(lpegmatch(p,"foobarbefcrap"))
+
+-- local t = { ["^"] = 1, ["^^"] = 2, ["^^^"] = 3, ["^^^^"] = 4 }
+-- local p = lpeg.Cs((lpeg.utfchartabletopattern(t)/t + 1)^1)
+-- inspect(lpegmatch(p," ^ ^^ ^^^ ^^^^ ^^^^^ ^^^^^^ ^^^^^^^ "))
+
+-- local t = { ["^^"] = 2, ["^^^"] = 3, ["^^^^"] = 4 }
+-- local p = lpeg.Cs((lpeg.utfchartabletopattern(t)/t + 1)^1)
+-- inspect(lpegmatch(p," ^ ^^ ^^^ ^^^^ ^^^^^ ^^^^^^ ^^^^^^^ "))
+
+-- lpeg.utfchartabletopattern {
-- utfchar(0x00A0), -- nbsp
-- utfchar(0x2000), -- enquad
-- utfchar(0x2001), -- emquad
@@ -945,7 +1030,7 @@ end
-- utfchar(0x200B), -- zerowidthspace
-- utfchar(0x202F), -- narrownobreakspace
-- utfchar(0x205F), -- math thinspace
--- } )
+-- }
-- a few handy ones:
--
@@ -1014,3 +1099,75 @@ lpeg.patterns.stripzeros = stripper
-- lpegmatch(stripper,str)
-- print(#str, os.clock()-ts, lpegmatch(stripper,sample))
+-- for practical reasone we keep this here:
+
+local byte_to_HEX = { }
+local byte_to_hex = { }
+local byte_to_dec = { } -- for md5
+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
+
+-- local h = "ADFE0345"
+-- local b = lpegmatch(patterns.hextobytes,h)
+-- print(h,b,string.tohex(b),string.toHEX(b))
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua
index 9565f484a2a..cb6182907bf 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-lua.lua
@@ -129,22 +129,36 @@ local print, select, tostring = print, select, tostring
local inspectors = { }
-function setinspector(inspector) -- global function
- inspectors[#inspectors+1] = inspector
+function setinspector(kind,inspector) -- global function
+ inspectors[kind] = inspector
end
function inspect(...) -- global function
for s=1,select("#",...) do
local value = select(s,...)
- local done = false
- for i=1,#inspectors do
- done = inspectors[i](value)
- if done then
- break
+ if value == nil then
+ print("nil")
+ else
+ local done = false
+ -- type driven (table)
+ local kind = type(value)
+ local inspector = inspectors[kind]
+ if inspector then
+ done = inspector(value)
+ if done then
+ break
+ end
+ end
+ -- whatever driven (token, node, ...)
+ 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
- if not done then
- print(tostring(value))
end
end
end
@@ -165,3 +179,14 @@ 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
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-math.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-math.lua
index 43f60b56bee..ec62919b46a 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-math.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-math.lua
@@ -8,6 +8,10 @@ if not modules then modules = { } end modules ['l-math'] = {
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
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-md5.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-md5.lua
index 8ac20a5a5fb..00272c873f1 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-md5.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-md5.lua
@@ -19,48 +19,38 @@ if not md5 then
end
local md5, file = md5, file
-local gsub, format, byte = string.gsub, string.format, string.byte
-local md5sum = md5.sum
+local gsub = string.gsub
-local function convert(str,fmt)
- return (gsub(md5sum(str),".",function(chr) return format(fmt,byte(chr)) end))
-end
-
-if not md5.HEX then function md5.HEX(str) return convert(str,"%02X") end end
-if not md5.hex then function md5.hex(str) return convert(str,"%02x") end end
-if not md5.dec then function md5.dec(str) return convert(str,"%03i") end end
-
--- local P, Cs, lpegmatch = lpeg.P, lpeg.Cs,lpeg.match
---
--- if not md5.HEX then
--- local function remap(chr) return format("%02X",byte(chr)) end
--- function md5.HEX(str) return (gsub(md5.sum(str),".",remap)) end
--- end
+-- local gsub, format, byte = string.gsub, string.format, string.byte
--
--- if not md5.hex then
--- local function remap(chr) return format("%02x",byte(chr)) end
--- function md5.hex(str) return (gsub(md5.sum(str),".",remap)) end
+-- local function convert(str,fmt)
+-- return (gsub(md5sum(str),".",function(chr) return format(fmt,byte(chr)) end))
-- end
--
--- if not md5.dec then
--- local function remap(chr) return format("%03i",byte(chr)) end
--- function md5.dec(str) return (gsub(md5.sum(str),".",remap)) end
--- end
+-- if not md5.HEX then function md5.HEX(str) return convert(str,"%02X") end end
+-- if not md5.hex then function md5.hex(str) return convert(str,"%02x") end end
+-- if not md5.dec then function md5.dec(str) return convert(str,"%03i") end end
--- if not md5.HEX then
--- local pattern_HEX = Cs( ( P(1) / function(chr) return format("%02X",byte(chr)) end)^0 )
--- function md5.HEX(str) return lpegmatch(pattern_HEX,md5.sum(str)) end
--- end
---
--- if not md5.hex then
--- local pattern_hex = Cs( ( P(1) / function(chr) return format("%02x",byte(chr)) end)^0 )
--- function md5.hex(str) return lpegmatch(pattern_hex,md5.sum(str)) end
--- end
---
--- if not md5.dec then
--- local pattern_dec = Cs( ( P(1) / function(chr) return format("%02i",byte(chr)) end)^0 )
--- function md5.dec(str) return lpegmatch(pattern_dec,md5.sum(str)) end
--- end
+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) -- size modification access change
local oldtime = lfs.attributes(oldname,"modification")
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-os.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-os.lua
index 1dff79cd3f3..0a86ea6d697 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-os.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-os.lua
@@ -25,8 +25,6 @@ if not modules then modules = { } end modules ['l-os'] = {
-- os.sleep() => socket.sleep()
-- math.randomseed(tonumber(string.sub(string.reverse(tostring(math.floor(socket.gettime()*10000))),1,6)))
--- maybe build io.flush in os.execute
-
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
@@ -118,15 +116,11 @@ end
-- end of environment hack
-local execute, spawn, exec, iopopen, ioflush = os.execute, os.spawn or os.execute, os.exec or os.execute, io.popen, io.flush
-
-function os.execute(...) ioflush() return execute(...) end
-function os.spawn (...) ioflush() return spawn (...) end
-function os.exec (...) ioflush() return exec (...) end
-function io.popen (...) ioflush() return iopopen(...) end
+local execute = os.execute
+local iopopen = io.popen
function os.resultof(command)
- local handle = io.popen(command,"r")
+ local handle = iopopen(command,"r") -- already has flush
if handle then
local result = handle:read("*all") or ""
handle:close()
@@ -160,7 +154,7 @@ local launchers = {
}
function os.launch(str)
- os.execute(format(launchers[os.name] or launchers.unix,str))
+ execute(format(launchers[os.name] or launchers.unix,str))
end
if not os.times then -- ?
@@ -355,6 +349,8 @@ else
end
+os.newline = name == "windows" and "\013\010" or "\010" -- crlf or lf
+
function resolvers.bits(t,k)
local bits = find(os.platform,"64",1,true) and 64 or 32
os.bits = bits
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua
index 3b1a0003ff9..e9dc2bbbcff 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-string.lua
@@ -94,7 +94,7 @@ end
-- return not find(str,"%S")
-- end
-local pattern = P(" ")^0 * P(-1)
+local pattern = P(" ")^0 * P(-1) -- maybe also newlines
-- patterns.onlyspaces = pattern
@@ -192,10 +192,11 @@ string.itself = function(s) return s end
-- also handy (see utf variant)
-local pattern = Ct(C(1)^0) -- string and not utf !
+local pattern_c = Ct( C(1) ^0) -- string and not utf !
+local pattern_b = Ct((C(1)/byte)^0)
-function string.totable(str)
- return lpegmatch(pattern,str)
+function string.totable(str,bytes)
+ return lpegmatch(bytes and pattern_b or pattern_c,str)
end
-- handy from within tex:
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua
index e642106cc58..552097e1c10 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-table.lua
@@ -39,7 +39,7 @@ end
function table.keys(t)
if t then
local keys, k = { }, 0
- for key, _ in next, t do
+ for key in next, t do
k = k + 1
keys[k] = key
end
@@ -49,35 +49,127 @@ function table.keys(t)
end
end
+-- local function compare(a,b)
+-- local ta = type(a) -- needed, else 11 < 2
+-- local tb = type(b) -- needed, else 11 < 2
+-- if ta == tb and ta == "number" then
+-- return a < b
+-- else
+-- return tostring(a) < tostring(b) -- not that efficient
+-- end
+-- end
+
+-- local function compare(a,b)
+-- local ta = type(a) -- needed, else 11 < 2
+-- local tb = type(b) -- needed, else 11 < 2
+-- if ta == tb and (ta == "number" or ta == "string") then
+-- return a < b
+-- else
+-- return tostring(a) < tostring(b) -- not that efficient
+-- end
+-- end
+
+-- local function sortedkeys(tab)
+-- if tab then
+-- local srt, category, s = { }, 0, 0 -- 0=unknown 1=string, 2=number 3=mixed
+-- for key in next, tab do
+-- s = s + 1
+-- srt[s] = key
+-- if category == 3 then
+-- -- no further check
+-- else
+-- local tkey = type(key)
+-- if tkey == "string" then
+-- category = (category == 2 and 3) or 1
+-- elseif tkey == "number" then
+-- category = (category == 1 and 3) or 2
+-- else
+-- category = 3
+-- end
+-- end
+-- end
+-- if category == 0 or category == 3 then
+-- sort(srt,compare)
+-- else
+-- sort(srt)
+-- end
+-- return srt
+-- else
+-- return { }
+-- end
+-- end
+
+-- local function compare(a,b)
+-- local ta = type(a) -- needed, else 11 < 2
+-- local tb = type(b) -- needed, else 11 < 2
+-- if ta == tb and (ta == "number" or ta == "string") then
+-- return a < b
+-- else
+-- return tostring(a) < tostring(b) -- not that efficient
+-- end
+-- end
+
+-- local function compare(a,b)
+-- local ta = type(a) -- needed, else 11 < 2
+-- if ta == "number" or ta == "string" then
+-- local tb = type(b) -- needed, else 11 < 2
+-- if ta == tb then
+-- return a < b
+-- end
+-- end
+-- return tostring(a) < tostring(b) -- not that efficient
+-- end
+
local function compare(a,b)
- local ta, tb = type(a), type(b) -- needed, else 11 < 2
- if ta == tb then
- return a < b
- else
- return tostring(a) < tostring(b)
+ local ta = type(a) -- needed, else 11 < 2
+ if ta == "number" then
+ local tb = type(b) -- needed, else 11 < 2
+ if ta == tb then
+ return a < b
+ elseif tb == "string" then
+ return tostring(a) < b
+ end
+ elseif ta == "string" then
+ local tb = type(b) -- needed, else 11 < 2
+ if ta == tb then
+ return a < b
+ else
+ return a < tostring(b)
+ end
end
+ return tostring(a) < tostring(b) -- not that efficient
end
local function sortedkeys(tab)
if tab then
local srt, category, s = { }, 0, 0 -- 0=unknown 1=string, 2=number 3=mixed
- for key,_ in next, tab do
+ for key in next, tab do
s = s + 1
srt[s] = key
if category == 3 then
-- no further check
+ 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 = (category == 2 and 3) or 1
+ category = 1
elseif tkey == "number" then
- category = (category == 1 and 3) or 2
+ category = 2
else
category = 3
end
end
end
- if category == 0 or category == 3 then
+ if s < 2 then
+ -- nothing to sort
+ elseif category == 3 then
sort(srt,compare)
else
sort(srt)
@@ -91,13 +183,15 @@ end
local function sortedhashonly(tab)
if tab then
local srt, s = { }, 0
- for key,_ in next, tab do
+ for key in next, tab do
if type(key) == "string" then
s = s + 1
srt[s] = key
end
end
- sort(srt)
+ if s > 1 then
+ sort(srt)
+ end
return srt
else
return { }
@@ -107,13 +201,15 @@ end
local function sortedindexonly(tab)
if tab then
local srt, s = { }, 0
- for key,_ in next, tab do
+ for key in next, tab do
if type(key) == "number" then
s = s + 1
srt[s] = key
end
end
- sort(srt)
+ if s > 1 then
+ sort(srt)
+ end
return srt
else
return { }
@@ -123,13 +219,15 @@ end
local function sortedhashkeys(tab,cmp) -- fast one
if tab then
local srt, s = { }, 0
- for key,_ in next, tab do
+ for key in next, tab do
if key then
s= s + 1
srt[s] = key
end
end
- sort(srt,cmp)
+ if s > 1 then
+ sort(srt,cmp)
+ end
return srt
else
return { }
@@ -139,7 +237,7 @@ end
function table.allkeys(t)
local keys = { }
for k, v in next, t do
- for k, v in next, v do
+ for k in next, v do
keys[k] = true
end
end
@@ -162,19 +260,21 @@ local function sortedhash(t,cmp)
else
s = sortedkeys(t) -- the robust one
end
- local n = 0
local m = #s
- local function kv() -- (s)
- if n < m then
- n = n + 1
- local k = s[n]
- return k, t[k]
+ 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
- return kv -- , s
- else
- return nothing
end
+ return nothing
end
table.sortedhash = sortedhash
@@ -318,7 +418,7 @@ end
local function copy(t, tables) -- taken from lua wiki, slightly adapted
tables = tables or { }
- local tcopy = {}
+ local tcopy = { }
if not tables[t] then
tables[t] = tcopy
end
@@ -378,7 +478,7 @@ function table.fromhash(t)
return hsh
end
-local noquotes, hexify, handle, reduce, compact, inline, functions
+local noquotes, hexify, handle, compact, inline, functions
local reserved = table.tohash { -- intercept a language inconvenience: no reserved words as key
'and', 'break', 'do', 'else', 'elseif', 'end', 'false', 'for', 'function', 'if',
@@ -386,33 +486,67 @@ local reserved = table.tohash { -- intercept a language inconvenience: no reserv
'NaN', 'goto',
}
+-- local function simple_table(t)
+-- if #t > 0 then
+-- local n = 0
+-- for _,v in next, t do
+-- n = n + 1
+-- end
+-- if n == #t then
+-- local tt, nt = { }, 0
+-- for i=1,#t do
+-- local v = t[i]
+-- local tv = type(v)
+-- if tv == "number" then
+-- nt = nt + 1
+-- if hexify then
+-- tt[nt] = format("0x%X",v)
+-- else
+-- tt[nt] = tostring(v) -- tostring not needed
+-- end
+-- elseif tv == "string" then
+-- nt = nt + 1
+-- tt[nt] = format("%q",v)
+-- elseif tv == "boolean" then
+-- nt = nt + 1
+-- tt[nt] = v and "true" or "false"
+-- else
+-- return nil
+-- end
+-- end
+-- return tt
+-- end
+-- end
+-- return nil
+-- end
+
local function simple_table(t)
- if #t > 0 then
+ 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
- if n == #t then
- local tt, nt = { }, 0
- for i=1,#t do
+ if n == nt then
+ local tt = { }
+ for i=1,nt do
local v = t[i]
local tv = type(v)
if tv == "number" then
- nt = nt + 1
if hexify then
- tt[nt] = format("0x%X",v)
+ tt[i] = format("0x%X",v)
else
- tt[nt] = tostring(v) -- tostring not needed
+ tt[i] = tostring(v) -- tostring not needed
end
elseif tv == "string" then
- nt = nt + 1
- tt[nt] = format("%q",v)
+ tt[i] = format("%q",v)
elseif tv == "boolean" then
- nt = nt + 1
- tt[nt] = v and "true" or "false"
+ tt[i] = v and "true" or "false"
else
- tt = nil
- break
+ return nil
end
end
return tt
@@ -469,15 +603,7 @@ local function do_serialize(root,name,depth,level,indexed)
end
end
-- we could check for k (index) being number (cardinal)
- if root and next(root) then
- -- local first, last = nil, 0 -- #root cannot be trusted here (will be ok in 5.2 when ipairs is gone)
- -- if compact then
- -- -- NOT: for k=1,#root do (we need to quit at nil)
- -- for k,v in ipairs(root) do -- can we use next?
- -- if not first then first = k end
- -- last = last + 1
- -- end
- -- end
+ if root and next(root) ~= nil then
local first, last = nil, 0
if compact then
last = #root
@@ -493,12 +619,10 @@ local function do_serialize(root,name,depth,level,indexed)
end
local sk = sortedkeys(root)
for i=1,#sk do
- local k = sk[i]
- local v = root[k]
- --~ if v == root then
- -- circular
- --~ else
- local tv, tk = type(v), type(k)
+ 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
@@ -507,13 +631,9 @@ local function do_serialize(root,name,depth,level,indexed)
handle(format("%s %s,",depth,v)) -- %.99g
end
elseif tv == "string" then
- if reduce and tonumber(v) then
- handle(format("%s %s,",depth,v))
- else
- handle(format("%s %q,",depth,v))
- end
+ handle(format("%s %q,",depth,v))
elseif tv == "table" then
- if not next(v) then
+ if next(v) == nil then
handle(format("%s {},",depth))
elseif inline then -- and #t > 0
local st = simple_table(v)
@@ -567,37 +687,21 @@ local function do_serialize(root,name,depth,level,indexed)
end
end
elseif tv == "string" then
- if reduce and tonumber(v) then
- if tk == "number" then
- if hexify then
- handle(format("%s [0x%X]=%s,",depth,k,v))
- else
- handle(format("%s [%s]=%s,",depth,k,v))
- end
- elseif tk == "boolean" then
- handle(format("%s [%s]=%s,",depth,k and "true" or "false",v))
- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
- handle(format("%s %s=%s,",depth,k,v))
+ if tk == "number" then
+ if hexify then
+ handle(format("%s [0x%X]=%q,",depth,k,v))
else
- handle(format("%s [%q]=%s,",depth,k,v))
+ 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
- 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
+ handle(format("%s [%q]=%q,",depth,k,v))
end
elseif tv == "table" then
- if not next(v) then
+ if next(v) == nil then
if tk == "number" then
if hexify then
handle(format("%s [0x%X]={},",depth,k))
@@ -680,10 +784,9 @@ local function do_serialize(root,name,depth,level,indexed)
handle(format("%s [%q]=%q,",depth,k,tostring(v)))
end
end
- --~ end
end
end
- if level > 0 then
+ if level > 0 then
handle(format("%s},",depth))
end
end
@@ -697,7 +800,6 @@ local function serialize(_handle,root,name,specification) -- handle wins
noquotes = specification.noquotes
hexify = specification.hexify
handle = _handle or specification.handle or print
- reduce = specification.reduce or false
functions = specification.functions
compact = specification.compact
inline = specification.inline and compact
@@ -714,7 +816,6 @@ local function serialize(_handle,root,name,specification) -- handle wins
noquotes = false
hexify = false
handle = _handle or print
- reduce = false
compact = true
inline = true
functions = true
@@ -748,7 +849,7 @@ local function serialize(_handle,root,name,specification) -- handle wins
root._w_h_a_t_e_v_e_r_ = nil
end
-- Let's forget about empty tables.
- if next(root) then
+ if next(root) ~= nil then
do_serialize(root,name,"",0)
end
end
@@ -788,15 +889,6 @@ end
table.tohandle = serialize
--- sometimes tables are real use (zapfino extra pro is some 85M) in which
--- case a stepwise serialization is nice; actually, we could consider:
---
--- for line in table.serializer(root,name,reduce,noquotes) do
--- ...(line)
--- end
---
--- so this is on the todo list
-
local maxtab = 2*1024
function table.tofile(filename,root,name,specification)
@@ -928,7 +1020,7 @@ local function sparse(old,nest,keeptables)
if not (v == "" or v == false) then
if nest and type(v) == "table" then
v = sparse(v,nest)
- if keeptables or next(v) then
+ if keeptables or next(v) ~= nil then
new[k] = v
end
else
@@ -1052,7 +1144,7 @@ function table.print(t,...)
end
if setinspector then
- setinspector(function(v) if type(v) == "table" then serialize(print,v,"table") return true end end)
+ setinspector("table",function(v) if type(v) == "table" then serialize(print,v,"table") return true end end)
end
-- -- -- obsolete but we keep them for a while and might comment them later -- -- --
@@ -1066,11 +1158,11 @@ end
-- slower than #t on indexed tables (#t only returns the size of the numerically indexed slice)
function table.is_empty(t)
- return not t or not next(t)
+ return not t or next(t) == nil
end
function table.has_one_entry(t)
- return t and not next(t,next(t))
+ return t and next(t,next(t)) == nil
end
-- new
@@ -1157,7 +1249,7 @@ function table.filtered(t,pattern,sort,cmp)
else
local n = next(t)
local function iterator()
- while n do
+ while n ~= nil do
local k = n
n = next(t,k)
if find(k,pattern) then
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 034726ffcdd..5497e54eb70 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-trac-inf.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-trac-inf.lua
@@ -207,17 +207,3 @@ function statistics.tracefunction(base,tag,...)
statistics.register(formatters["%s.%s"](tag,name),function() return serialize(stat,"calls") end)
end
end
-
--- where, not really the best spot for this:
-
-commands = commands or { }
-
-function commands.resettimer(name)
- resettiming(name or "whatever")
- starttiming(name or "whatever")
-end
-
-function commands.elapsedtime(name)
- stoptiming(name or "whatever")
- context(elapsedtime(name or "whatever"))
-end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-unicode.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-unicode.lua
index fb4ea37fa2c..70b60324ac2 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-unicode.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-unicode.lua
@@ -56,7 +56,6 @@ local p_utfbom = patterns.utfbom
local p_newline = patterns.newline
local p_whitespace = patterns.whitespace
-
if not unicode then
unicode = { utf = utf } -- for a while
@@ -419,9 +418,11 @@ if not utf.sub then
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_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
@@ -464,7 +465,9 @@ if not utf.sub then
end
end
end
- if start > stop then
+ 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
@@ -525,23 +528,59 @@ end
-- end, pattern
-- end
-function utf.remapper(mapping)
- local pattern = type(mapping) == "table" and tabletopattern(mapping) or p_utf8char
- local pattern = Cs((pattern/mapping + p_utf8char)^0)
- return function(str)
- if not str or str == "" then
- return ""
+function utf.remapper(mapping,option) -- static also returns a pattern
+ local variant = type(mapping)
+ if variant == "table" then
+ 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)/mapping + p_utf8char)^0)
+ end
+ return lpegmatch(pattern,str)
+ end
+ end
+ elseif option == "pattern" then
+ return Cs((tabletopattern(mapping)/mapping + p_utf8char)^0)
+ -- elseif option == "static" then
+ else
+ local pattern = Cs((tabletopattern(mapping)/mapping + 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
- return lpegmatch(pattern,str)
+ 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
- end, pattern
+ else
+ -- is actually an error
+ return function(str)
+ return str or ""
+ end
+ end
end
-- local remap = utf.remapper { a = 'd', b = "c", c = "b", d = "a" }
-- print(remap("abcd 1234 abcd"))
---
-
function utf.replacer(t) -- no precheck, always string builder
local r = replacer(t,false,false,true)
return function(str)
@@ -647,285 +686,359 @@ end
local utf16_to_utf8_be, utf16_to_utf8_le
local utf32_to_utf8_be, utf32_to_utf8_le
-local utf_16_be_linesplitter = patterns.utfbom_16_be^-1 * lpeg.tsplitat(patterns.utf_16_be_nl)
-local utf_16_le_linesplitter = patterns.utfbom_16_le^-1 * lpeg.tsplitat(patterns.utf_16_le_nl)
+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)
+
+-- we have three possibilities: bytepairs (using tables), gmatch (using tables), gsub and
+-- lpeg. Bytepairs are the fastert but as soon as we need to remove bombs and so the gain
+-- is less due to more testing. Also, we seldom have to convert utf16 so we don't care to
+-- much about a few milliseconds more runtime. The lpeg variant is upto 20% slower but
+-- still pretty fast.
+--
+-- for historic resone we keep the bytepairs variants around .. beware they don't grab the
+-- bom like the lpegs do so they're not dropins in the functions that follow
+--
+-- utf16_to_utf8_be = function(s)
+-- if not s then
+-- return nil
+-- elseif s == "" then
+-- return ""
+-- end
+-- local result, r, more = { }, 0, 0
+-- for left, right in bytepairs(s) do
+-- if right then
+-- local now = 256*left + right
+-- if more > 0 then
+-- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
+-- more = 0
+-- r = r + 1
+-- result[r] = utfchar(now)
+-- elseif now >= 0xD800 and now <= 0xDBFF then
+-- more = now
+-- else
+-- r = r + 1
+-- result[r] = utfchar(now)
+-- end
+-- end
+-- end
+-- return concat(result)
+-- 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
+-- local result = { } -- we reuse result
+-- for i=1,#t do
+-- local s = t[i]
+-- if s ~= "" then
+-- local r, more = 0, 0
+-- for left, right in bytepairs(s) do
+-- if right then
+-- local now = 256*left + right
+-- if more > 0 then
+-- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
+-- more = 0
+-- r = r + 1
+-- result[r] = utfchar(now)
+-- elseif now >= 0xD800 and now <= 0xDBFF then
+-- more = now
+-- else
+-- r = r + 1
+-- result[r] = utfchar(now)
+-- end
+-- end
+-- end
+-- t[i] = concat(result,"",1,r) -- we reused tmp, hence t
+-- end
+-- end
+-- return t
+-- end
+--
+-- utf16_to_utf8_le = function(s)
+-- if not s then
+-- return nil
+-- elseif s == "" then
+-- return ""
+-- end
+-- local result, r, more = { }, 0, 0
+-- for left, right in bytepairs(s) do
+-- if right then
+-- local now = 256*right + left
+-- if more > 0 then
+-- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
+-- more = 0
+-- r = r + 1
+-- result[r] = utfchar(now)
+-- elseif now >= 0xD800 and now <= 0xDBFF then
+-- more = now
+-- else
+-- r = r + 1
+-- result[r] = utfchar(now)
+-- end
+-- end
+-- end
+-- return concat(result)
+-- 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
+-- local result = { } -- we reuse result
+-- for i=1,#t do
+-- local s = t[i]
+-- if s ~= "" then
+-- local r, more = 0, 0
+-- for left, right in bytepairs(s) do
+-- if right then
+-- local now = 256*right + left
+-- if more > 0 then
+-- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
+-- more = 0
+-- r = r + 1
+-- result[r] = utfchar(now)
+-- elseif now >= 0xD800 and now <= 0xDBFF then
+-- more = now
+-- else
+-- r = r + 1
+-- result[r] = utfchar(now)
+-- end
+-- end
+-- end
+-- t[i] = concat(result,"",1,r) -- we reused tmp, hence t
+-- end
+-- end
+-- return t
+-- end
+--
+-- local utf32_to_utf8_be_t = function(t)
+-- if not t then
+-- return nil
+-- elseif type(t) == "string" then
+-- t = lpegmatch(utflinesplitter,t)
+-- end
+-- local result = { } -- we reuse result
+-- for i=1,#t do
+-- local r, more = 0, -1
+-- for a,b in bytepairs(t[i]) do
+-- if a and b then
+-- if more < 0 then
+-- more = 256*256*256*a + 256*256*b
+-- else
+-- r = r + 1
+-- result[t] = utfchar(more + 256*a + b)
+-- more = -1
+-- end
+-- else
+-- break
+-- end
+-- end
+-- t[i] = concat(result,"",1,r)
+-- end
+-- return t
+-- end
+--
+-- local utf32_to_utf8_le_t = function(t)
+-- if not t then
+-- return nil
+-- elseif type(t) == "string" then
+-- t = lpegmatch(utflinesplitter,t)
+-- end
+-- local result = { } -- we reuse result
+-- for i=1,#t do
+-- local r, more = 0, -1
+-- for a,b in bytepairs(t[i]) do
+-- if a and b then
+-- if more < 0 then
+-- more = 256*b + a
+-- else
+-- r = r + 1
+-- result[t] = utfchar(more + 256*256*256*b + 256*256*a)
+-- more = -1
+-- end
+-- else
+-- break
+-- end
+-- end
+-- t[i] = concat(result,"",1,r)
+-- end
+-- return t
+-- end
+
+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 -- the 0x10000 smells wrong
+ more = 0
+ return utfchar(now)
+ elseif now >= 0xD800 and now <= 0xDBFF then
+ more = now
+ return "" -- else the c's end up in the stream
+ else
+ return utfchar(now)
+ end
+end
--- we have three possibilities:
+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 -- the 0x10000 smells wrong
+ more = 0
+ return utfchar(now)
+ elseif now >= 0xD800 and now <= 0xDBFF then
+ more = now
+ return "" -- else the c's end up in the stream
+ 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
--- bytepairs: 0.048
--- gmatch : 0.069
--- lpeg : 0.089 (match time captures)
+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
-if bytepairs then
+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)
- -- with a little bit more code we could include the linesplitter
+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(t)
- if type(t) == "string" then
- t = lpegmatch(utf_16_be_linesplitter,t)
- end
- local result = { } -- we reuse result
- for i=1,#t do
- local r, more = 0, 0
- for left, right in bytepairs(t[i]) do
- if right then
- local now = 256*left + right
- if more > 0 then
- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
- more = 0
- r = r + 1
- result[r] = utfchar(now)
- elseif now >= 0xD800 and now <= 0xDBFF then
- more = now
- else
- r = r + 1
- result[r] = utfchar(now)
- end
- end
- end
- t[i] = concat(result,"",1,r) -- we reused tmp, hence t
- end
- return t
+utf16_to_utf8_be = function(s)
+ if s and s ~= "" then
+ return lpegmatch(p_utf16_to_utf8_be,s)
+ else
+ return s
end
+end
- utf16_to_utf8_le = function(t)
- if type(t) == "string" then
- t = lpegmatch(utf_16_le_linesplitter,t)
- end
- local result = { } -- we reuse result
- for i=1,#t do
- local r, more = 0, 0
- for left, right in bytepairs(t[i]) do
- if right then
- local now = 256*right + left
- if more > 0 then
- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
- more = 0
- r = r + 1
- result[r] = utfchar(now)
- elseif now >= 0xD800 and now <= 0xDBFF then
- more = now
- else
- r = r + 1
- result[r] = utfchar(now)
- end
- end
- end
- t[i] = concat(result,"",1,r) -- we reused tmp, hence t
+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
- return t
end
+ return t
+end
- utf32_to_utf8_be = function(t)
- if type(t) == "string" then
- t = lpegmatch(utflinesplitter,t)
- end
- local result = { } -- we reuse result
- for i=1,#t do
- local r, more = 0, -1
- for a,b in bytepairs(t[i]) do
- if a and b then
- if more < 0 then
- more = 256*256*256*a + 256*256*b
- else
- r = r + 1
- result[t] = utfchar(more + 256*a + b)
- more = -1
- end
- else
- break
- end
- end
- t[i] = concat(result,"",1,r)
- end
- return t
+utf16_to_utf8_le = function(s)
+ if s and s ~= "" then
+ return lpegmatch(p_utf16_to_utf8_le,s)
+ else
+ return s
end
+end
- utf32_to_utf8_le = function(t)
- if type(t) == "string" then
- t = lpegmatch(utflinesplitter,t)
- end
- local result = { } -- we reuse result
- for i=1,#t do
- local r, more = 0, -1
- for a,b in bytepairs(t[i]) do
- if a and b then
- if more < 0 then
- more = 256*b + a
- else
- r = r + 1
- result[t] = utfchar(more + 256*256*256*b + 256*256*a)
- more = -1
- end
- else
- break
- end
- end
- t[i] = concat(result,"",1,r)
+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
- return t
end
+ return t
+end
-else
-
- utf16_to_utf8_be = function(t)
- if type(t) == "string" then
- t = lpegmatch(utf_16_be_linesplitter,t)
- end
- local result = { } -- we reuse result
- for i=1,#t do
- local r, more = 0, 0
- for left, right in gmatch(t[i],"(.)(.)") do
- if left == "\000" then -- experiment
- r = r + 1
- result[r] = utfchar(byte(right))
- elseif right then
- local now = 256*byte(left) + byte(right)
- if more > 0 then
- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
- more = 0
- r = r + 1
- result[r] = utfchar(now)
- elseif now >= 0xD800 and now <= 0xDBFF then
- more = now
- else
- r = r + 1
- result[r] = utfchar(now)
- end
- end
- end
- t[i] = concat(result,"",1,r) -- we reused tmp, hence t
- end
- return t
+utf32_to_utf8_be = function(s)
+ if s and s ~= "" then
+ return lpegmatch(p_utf32_to_utf8_be,s)
+ else
+ return s
end
+end
- utf16_to_utf8_le = function(t)
- if type(t) == "string" then
- t = lpegmatch(utf_16_le_linesplitter,t)
- end
- local result = { } -- we reuse result
- for i=1,#t do
- local r, more = 0, 0
- for left, right in gmatch(t[i],"(.)(.)") do
- if right == "\000" then
- r = r + 1
- result[r] = utfchar(byte(left))
- elseif right then
- local now = 256*byte(right) + byte(left)
- if more > 0 then
- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
- more = 0
- r = r + 1
- result[r] = utfchar(now)
- elseif now >= 0xD800 and now <= 0xDBFF then
- more = now
- else
- r = r + 1
- result[r] = utfchar(now)
- end
- end
- end
- t[i] = concat(result,"",1,r) -- we reused tmp, hence t
+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
- return t
end
+ return t
+end
- utf32_to_utf8_le = function() return { } end -- never used anyway
- utf32_to_utf8_be = function() return { } end -- never used anyway
-
- -- the next one is slighty slower
-
- -- local result, lines, r, more = { }, { }, 0, 0
- --
- -- local simple = Cmt(
- -- C(1) * C(1), function(str,p,left,right)
- -- local now = 256*byte(left) + byte(right)
- -- if more > 0 then
- -- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
- -- more = 0
- -- r = r + 1
- -- result[r] = utfchar(now)
- -- elseif now >= 0xD800 and now <= 0xDBFF then
- -- more = now
- -- else
- -- r = r + 1
- -- result[r] = utfchar(now)
- -- end
- -- return p
- -- end
- -- )
- --
- -- local complex = Cmt(
- -- C(1) * C(1), function(str,p,left,right)
- -- local now = 256*byte(left) + byte(right)
- -- if more > 0 then
- -- now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 -- the 0x10000 smells wrong
- -- more = 0
- -- r = r + 1
- -- result[r] = utfchar(now)
- -- elseif now >= 0xD800 and now <= 0xDBFF then
- -- more = now
- -- else
- -- r = r + 1
- -- result[r] = utfchar(now)
- -- end
- -- return p
- -- end
- -- )
- --
- -- local lineend = Cmt (
- -- patterns.utf_16_be_nl, function(str,p)
- -- lines[#lines+1] = concat(result,"",1,r)
- -- r, more = 0, 0
- -- return p
- -- end
- -- )
- --
- -- local be_1 = patterns.utfbom_16_be^-1 * (simple + complex)^0
- -- local be_2 = patterns.utfbom_16_be^-1 * (lineend + simple + complex)^0
- --
- -- utf16_to_utf8_be = function(t)
- -- if type(t) == "string" then
- -- local s = t
- -- lines, r, more = { }, 0, 0
- -- lpegmatch(be_2,s)
- -- if r > 0 then
- -- lines[#lines+1] = concat(result,"",1,r)
- -- end
- -- result = { }
- -- return lines
- -- else
- -- for i=1,#t do
- -- r, more = 0, 0
- -- lpegmatch(be_1,t[i])
- -- t[i] = concat(result,"",1,r)
- -- end
- -- result = { }
- -- return t
- -- end
- -- 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 = 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
+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
-function utf.utf8_to_utf8(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,endian)
- return endian and utf16_to_utf8_be(t) or utf16_to_utf8_le(t) or t
+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,endian)
- return endian and utf32_to_utf8_be(t) or utf32_to_utf8_le(t) or t
+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(c)
- local b = byte(c)
+local function little(b)
if b < 0x10000 then
return char(b%256,b/256)
else
@@ -935,8 +1048,7 @@ local function little(c)
end
end
-local function big(c)
- local b = byte(c)
+local function big(b)
if b < 0x10000 then
return char(b/256,b%256)
else
@@ -946,18 +1058,10 @@ local function big(c)
end
end
--- function utf.utf8_to_utf16(str,littleendian)
--- if littleendian then
--- return char(255,254) .. utfgsub(str,".",little)
--- else
--- return char(254,255) .. utfgsub(str,".",big)
--- end
--- end
-
-local _, l_remap = utf.remapper(little)
-local _, b_remap = utf.remapper(big)
+local l_remap = Cs((p_utf8byte/little+P(1)/"")^0)
+local b_remap = Cs((p_utf8byte/big +P(1)/"")^0)
-function utf.utf8_to_utf16_be(str,nobom)
+local function utf8_to_utf16_be(str,nobom)
if nobom then
return lpegmatch(b_remap,str)
else
@@ -965,7 +1069,7 @@ function utf.utf8_to_utf16_be(str,nobom)
end
end
-function utf.utf8_to_utf16_le(str,nobom)
+local function utf8_to_utf16_le(str,nobom)
if nobom then
return lpegmatch(l_remap,str)
else
@@ -973,11 +1077,14 @@ function utf.utf8_to_utf16_le(str,nobom)
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 utf.utf8_to_utf16_le(str,nobom)
+ return utf8_to_utf16_le(str,nobom)
else
- return utf.utf8_to_utf16_be(str,nobom)
+ return utf8_to_utf16_be(str,nobom)
end
end
@@ -1008,16 +1115,16 @@ function utf.xstring(s)
end
function utf.toeight(str)
- if not str then
+ 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-le" then
- return utf16_to_utf8_le(str)
+ return sub(str,4) -- remove the bom
elseif utftype == "utf-16-be" then
- return utf16_to_utf8_ne(str)
+ return utf16_to_utf8_be(str) -- bom gets removed
+ elseif utftype == "utf-16-le" then
+ return utf16_to_utf8_le(str) -- bom gets removed
else
return str
end
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-url.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-url.lua
index 7bb73125493..b189ec5bba8 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-url.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-url.lua
@@ -145,19 +145,25 @@ local splitquery = Cf ( Ct("") * P { "sequence",
-- hasher
local function hashed(str) -- not yet ok (/test?test)
- if str == "" then
+ if not str or str == "" then
return {
scheme = "invalid",
original = str,
}
end
- local s = split(str)
- local rawscheme = s[1]
- local rawquery = s[4]
- local somescheme = rawscheme ~= ""
- local somequery = rawquery ~= ""
+ 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
- s = {
+ return {
scheme = "file",
authority = "",
path = str,
@@ -167,30 +173,33 @@ local function hashed(str) -- not yet ok (/test?test)
noscheme = true,
filename = str,
}
- else -- not always a filename but handy anyway
- local authority, path, filename = s[2], s[3]
- if authority == "" then
- filename = path
- elseif path == "" then
- filename = ""
- else
- filename = authority .. "/" .. path
- end
- s = {
- scheme = rawscheme,
- authority = authority,
- path = path,
- query = lpegmatch(unescaper,rawquery), -- unescaped, but possible conflict with & and =
- queries = lpegmatch(splitquery,rawquery), -- split first and then unescaped
- fragment = s[5],
- original = str,
- noscheme = false,
- filename = filename,
- }
end
- return s
+ -- not always a filename but handy anyway
+ 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), -- unescaped, but possible conflict with & and =
+ queries = lpegmatch(splitquery,rawquery), -- split first and then unescaped
+ fragment = detailed[5],
+ original = str,
+ noscheme = false,
+ filename = filename,
+ }
end
+-- inspect(hashed())
+-- inspect(hashed(""))
-- inspect(hashed("template:///test"))
-- inspect(hashed("template:///test++.whatever"))
-- inspect(hashed("template:///test%2B%2B.whatever"))
@@ -247,7 +256,7 @@ function url.construct(hash) -- dodo: we need to escape !
return lpegmatch(escaper,concat(fullurl))
end
-local pattern = Cs(noslash * R("az","AZ") * (S(":|")/":") * noslash * P(1)^0)
+local pattern = Cs(slash^-1/"" * R("az","AZ") * ((S(":|")/":") + P(":")) * slash * P(1)^0)
function url.filename(filename)
local spec = hashed(filename)
@@ -257,6 +266,7 @@ end
-- print(url.filename("/c|/test"))
-- print(url.filename("/c/test"))
+-- print(url.filename("file:///t:/sources/cow.svg"))
local function escapestring(str)
return lpegmatch(escaper,str)
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-dim.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-dim.lua
index bfffb10108b..2bdb870e7a4 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-dim.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-dim.lua
@@ -92,9 +92,9 @@ format (string) is implemented using this table.</p>
--ldx]]--
local f_none = formatters["%s%s"]
-local f_true = formatters["%0.5f%s"]
+local f_true = formatters["%0.5F%s"]
-local function numbertodimen(n,unit,fmt)
+local function numbertodimen(n,unit,fmt) -- will be redefined later !
if type(n) == 'string' then
return n
else
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-fmt.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-fmt.lua
deleted file mode 100644
index 371a5dfcece..00000000000
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-fmt.lua
+++ /dev/null
@@ -1,76 +0,0 @@
-if not modules then modules = { } end modules ['util-fmt'] = {
- version = 1.001,
- comment = "companion to luat-lib.mkiv",
- author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
-utilities = utilities or { }
-utilities.formatters = utilities.formatters or { }
-local formatters = utilities.formatters
-
-local concat, format = table.concat, string.format
-local tostring, type = tostring, type
-local strip = string.strip
-
-local lpegmatch = lpeg.match
-local stripper = lpeg.patterns.stripzeros
-
-function formatters.stripzeros(str)
- return lpegmatch(stripper,str)
-end
-
-function formatters.formatcolumns(result,between)
- if result and #result > 0 then
- between = between or " "
- local widths, numbers = { }, { }
- local first = result[1]
- local n = #first
- for i=1,n do
- widths[i] = 0
- end
- for i=1,#result do
- local r = result[i]
- for j=1,n do
- local rj = r[j]
- local tj = type(rj)
- if tj == "number" then
- numbers[j] = true
- end
- if tj ~= "string" then
- rj = tostring(rj)
- r[j] = rj
- end
- local w = #rj
- if w > widths[j] then
- widths[j] = w
- end
- end
- end
- for i=1,n do
- local w = widths[i]
- if numbers[i] then
- if w > 80 then
- widths[i] = "%s" .. between
- else
- widths[i] = "%0" .. w .. "i" .. between
- end
- else
- if w > 80 then
- widths[i] = "%s" .. between
- elseif w > 0 then
- widths[i] = "%-" .. w .. "s" .. between
- else
- widths[i] = "%s"
- end
- end
- end
- local template = strip(concat(widths))
- for i=1,#result do
- local str = format(template,unpack(result[i]))
- result[i] = strip(str)
- end
- end
- return result
-end
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 f51f6fc75ff..a3c1c6f8f23 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-prs.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-prs.lua
@@ -21,6 +21,8 @@ parsers.patterns = patterns
local setmetatableindex = table.setmetatableindex
local sortedhash = table.sortedhash
+local sortedkeys = table.sortedkeys
+local tohash = table.tohash
-- we share some patterns
@@ -94,9 +96,7 @@ 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 type(str) == "table" then
- return set
- elseif how == "strict" then
+ if how == "strict" then
return (pattern_c/set)^1
elseif how == "tolerant" then
return (pattern_b/set)^1
@@ -106,7 +106,9 @@ function parsers.make_settings_to_hash_pattern(set,how)
end
function parsers.settings_to_hash(str,existing)
- if type(str) == "table" then
+ 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
@@ -115,17 +117,17 @@ function parsers.settings_to_hash(str,existing)
else
return str
end
- elseif str and str ~= "" then
+ else
hash = existing or { }
lpegmatch(pattern_a_s,str)
return hash
- else
- return { }
end
end
function parsers.settings_to_hash_tolerant(str,existing)
- if type(str) == "table" then
+ 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
@@ -134,17 +136,17 @@ function parsers.settings_to_hash_tolerant(str,existing)
else
return str
end
- elseif str and str ~= "" then
+ else
hash = existing or { }
lpegmatch(pattern_b_s,str)
return hash
- else
- return { }
end
end
function parsers.settings_to_hash_strict(str,existing)
- if type(str) == "table" then
+ 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
@@ -157,8 +159,6 @@ function parsers.settings_to_hash_strict(str,existing)
hash = existing or { }
lpegmatch(pattern_c_s,str)
return next(hash) and hash
- else
- return nil
end
end
@@ -167,17 +167,17 @@ local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace)
+ C((nestedbraces + (1-comma))^0)
local pattern = spaces * Ct(value*(separator*value)^0)
--- "aap, {noot}, mies" : outer {} removes, leading spaces ignored
+-- "aap, {noot}, mies" : outer {} removed, leading spaces ignored
patterns.settings_to_array = pattern
-- we could use a weak table as cache
function parsers.settings_to_array(str,strict)
- if type(str) == "table" then
- return str
- elseif not str or str == "" then
+ 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)
@@ -195,12 +195,40 @@ end
--
-- "{123} , 456 " -> "123" "456"
-local separator = space^0 * comma * space^0
-local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace)
- + C((nestedbraces + (1-(space^0*(comma+P(-1)))))^0)
-local withvalue = Carg(1) * value / function(f,s) return f(s) end
-local pattern_a = spaces * Ct(value*(separator*value)^0)
-local pattern_b = spaces * withvalue * (separator*withvalue)^0
+-- local separator = space^0 * comma * space^0
+-- local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace)
+-- + C((nestedbraces + (1-(space^0*(comma+P(-1)))))^0)
+-- local withvalue = Carg(1) * value / function(f,s) return f(s) end
+-- local pattern_a = spaces * Ct(value*(separator*value)^0)
+-- local pattern_b = spaces * withvalue * (separator*withvalue)^0
+
+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
@@ -221,8 +249,6 @@ end
-- parsers.process_stripped_settings("{123} , 456 ",function(s) print("["..s.."]") end)
-- parsers.process_stripped_settings("123 , 456 ",function(s) print("["..s.."]") end)
---
-
local function set(t,v)
t[#t+1] = v
end
@@ -236,8 +262,8 @@ end
function parsers.hash_to_string(h,separator,yes,no,strict,omit)
if h then
- local t, tn, s = { }, 0, table.sortedkeys(h)
- omit = omit and table.tohash(omit)
+ 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
@@ -275,15 +301,25 @@ function parsers.array_to_string(a,separator)
end
end
-function parsers.settings_to_set(str,t) -- tohash? -- todo: lpeg -- duplicate anyway
- t = t or { }
--- for s in gmatch(str,"%s*([^, ]+)") do -- space added
- for s in gmatch(str,"[^, ]+") do -- space added
- t[s] = true
- end
- return t
+-- function parsers.settings_to_set(str,t) -- tohash? -- todo: lpeg -- duplicate anyway
+-- if str then
+-- t = t or { }
+-- for s in gmatch(str,"[^, ]+") do -- space added
+-- t[s] = true
+-- end
+-- return t
+-- 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,t)
+ return str and lpegmatch(pattern,str) or { }
end
+
function parsers.simple_hash_to_string(h, separator)
local t, tn = { }, 0
for k, v in sortedhash(h) do
@@ -297,7 +333,7 @@ end
-- for mtx-context etc: aaaa bbbb cccc=dddd eeee=ffff
-local str = C((1-whitespace-equal)^1)
+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
@@ -305,6 +341,12 @@ 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
+
-- for chem (currently one level)
local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace)
@@ -436,7 +478,7 @@ local defaultspecification = { separator = ",", quote = '"' }
-- database module
function parsers.csvsplitter(specification)
- specification = specification and table.setmetatableindex(specification,defaultspecification) or defaultspecification
+ specification = specification and setmetatableindex(specification,defaultspecification) or defaultspecification
local separator = specification.separator
local quotechar = specification.quote
local separator = S(separator ~= "" and separator or ",")
@@ -475,7 +517,7 @@ end
-- local list, names = mycsvsplitter(crap) inspect(list) inspect(names)
function parsers.rfc4180splitter(specification)
- specification = specification and table.setmetatableindex(specification,defaultspecification) or defaultspecification
+ specification = specification and setmetatableindex(specification,defaultspecification) or defaultspecification
local separator = specification.separator --> rfc: COMMA
local quotechar = P(specification.quote) --> DQUOTE
local dquotechar = quotechar * quotechar --> 2DQUOTE
@@ -488,7 +530,7 @@ function parsers.rfc4180splitter(specification)
local field = escaped + non_escaped + Cc("")
local record = Ct(field * (separator * field)^1)
local headerline = record * Cp()
- local wholeblob = Ct((newline^-1 * record)^0)
+ 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)
@@ -560,10 +602,10 @@ end
-- print(utilities.parsers.unittotex("10^-32 %"),utilities.parsers.unittoxml("10^32 %"))
local cache = { }
-local spaces = lpeg.patterns.space^0
+local spaces = lpegpatterns.space^0
local dummy = function() end
-table.setmetatableindex(cache,function(t,k)
+setmetatableindex(cache,function(t,k)
local separator = P(k)
local value = (1-separator)^0
local pattern = spaces * C(value) * separator^0 * Cp()
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sta.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sta.lua
index 1a61ec4e6c4..27ab5a624b6 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sta.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sta.lua
@@ -81,6 +81,8 @@ end
function stacker.new(name)
+ local report = logs.reporter("stacker",name or nil)
+
local s
local stack = { }
@@ -126,8 +128,18 @@ function stacker.new(name)
end
end
- local tops = { }
- local top, switch
+ 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
@@ -206,8 +218,7 @@ function stacker.new(name)
local function resolve_end()
-- resolve_step(s.unset)
- local noftop = #top
- if noftop > 0 then
+ if #tops > 0 then -- was #top brrr
local result = s.stop(s,top,1,#top)
remove(tops)
top = tops[#tops]
@@ -224,8 +235,6 @@ function stacker.new(name)
resolve_end()
end
- local report = logs.reporter("stacker",name or nil)
-
s = {
name = name or "unknown",
unset = -1,
@@ -240,6 +249,7 @@ function stacker.new(name)
resolve_begin = resolve_begin,
resolve_step = resolve_step,
resolve_end = resolve_end,
+ resolve_reset = resolve_reset,
}
return s -- we can overload functions
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sto.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sto.lua
index 8aafca425b8..d21267d7a8c 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sto.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-sto.lua
@@ -113,22 +113,16 @@ local f_index = {
["number"] = f_number,
}
-local t_index = {
- ["empty"] = { __index = f_empty },
- ["self"] = { __index = f_self },
- ["table"] = { __index = f_table },
- ["number"] = { __index = 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 = f_index[f] or f
+ m.__index = i
else
- setmetatable(t,t_index[f] or { __index = f })
+ setmetatable(t,{ __index = i })
end
return t
end
@@ -137,19 +131,16 @@ local f_index = {
["ignore"] = f_ignore,
}
-local t_index = {
- ["ignore"] = { __newindex = 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 = f_index[f] or f
+ m.__newindex = i
else
- setmetatable(t,t_index[f] or { __newindex = f })
+ setmetatable(t,{ __newindex = i })
end
return t
end
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 2739a20c454..95534c8d87f 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua
@@ -6,7 +6,7 @@ if not modules then modules = { } end modules ['util-str'] = {
license = "see context related readme files"
}
-utilities = utilities or {}
+utilities = utilities or { }
utilities.strings = utilities.strings or { }
local strings = utilities.strings
@@ -44,7 +44,12 @@ end
if not number then number = { } end -- temp hack for luatex-fonts
-local stripper = patterns.stripzeros
+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)
@@ -62,12 +67,12 @@ number.basepoints = basepoints
-- str = " \n \ntest \n test\ntest "
-- print("["..string.gsub(string.collapsecrlf(str),"\n","+").."]")
-local rubish = patterns.spaceortab^0 * patterns.newline
-local anyrubish = patterns.spaceortab + patterns.newline
+local rubish = spaceortab^0 * newline
+local anyrubish = spaceortab + newline
local anything = patterns.anything
-local stripped = (patterns.spaceortab^1 / "") * patterns.newline
+local stripped = (spaceortab^1 / "") * newline
local leading = rubish^0 / ""
-local trailing = (anyrubish^1 * patterns.endofstring) / ""
+local trailing = (anyrubish^1 * endofstring) / ""
local redundant = rubish^3 / "\n"
local pattern = Cs(leading * (trailing + redundant + stripped + anything)^0)
@@ -129,7 +134,7 @@ local pattern =
return ""
end
end
- + patterns.newline * Cp() / function(position)
+ + newline * Cp() / function(position)
extra, start = 0, position
end
+ patterns.anything
@@ -162,11 +167,6 @@ end
-- return str
-- end
-local newline = patterns.newline
-local endofstring = patterns.endofstring
-local whitespace = patterns.whitespace
-local spacer = patterns.spacer
-
local space = spacer^0
local nospace = space/""
local endofline = nospace * newline
@@ -219,10 +219,12 @@ local striplinepatterns = {
["collapse"] = patterns.collapser, -- how about: stripper fullstripper
}
+setmetatable(striplinepatterns,{ __index = function(t,k) return p_prune_collapse end })
+
strings.striplinepatterns = striplinepatterns
function strings.striplines(str,how)
- return str and lpegmatch(how and striplinepatterns[how] or p_prune_collapse,str) or str
+ return str and lpegmatch(striplinepatterns[how],str) or str
end
-- also see: string.collapsespaces
@@ -352,17 +354,26 @@ function string.autosingle(s,sep)
return ("'" .. tostring(s) .. "'")
end
-local tracedchars = { }
+local tracedchars = { [0] =
+ -- the regular bunch
+ "[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]",
+ -- plus space
+ "[space]", -- 0x20
+}
+
string.tracedchars = tracedchars
strings.tracers = tracedchars
function string.tracedchar(b)
-- todo: table
if type(b) == "number" then
- return tracedchars[b] or (utfchar(b) .. " (U+" .. format('%05X',b) .. ")")
+ return tracedchars[b] or (utfchar(b) .. " (U+" .. format("%05X",b) .. ")")
else
local c = utfbyte(b)
- return tracedchars[c] or (b .. " (U+" .. format('%05X',c) .. ")")
+ return tracedchars[c] or (b .. " (U+" .. (c and format("%05X",c) or "?????") .. ")")
end
end
@@ -537,7 +548,7 @@ end
-- We could probably use just %s with integers but who knows what Lua 5.3 will do? So let's
-- for the moment use %i.
-local format_F = function() -- beware, no cast to number
+local format_F = function(f) -- beware, no cast to number
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)
@@ -842,7 +853,7 @@ local builder = Cs { "start",
+ V("m") + V("M") -- new
+ V("z") -- new
--
- + V("*") -- ignores probably messed up %
+ -- + V("?") -- ignores probably messed up %
)
+ V("*")
)
@@ -897,6 +908,7 @@ local builder = Cs { "start",
["A"] = (prefix_any * P("A")) / format_A, -- %A => "..." (forces tostring)
--
["*"] = Cs(((1-P("%"))^1 + P("%%")/"%%")^1) / format_rest, -- rest (including %%)
+ ["?"] = Cs(((1-P("%"))^1 )^1) / format_rest, -- rest (including %%)
--
["!"] = Carg(2) * prefix_any * P("!") * C((1-P("!"))^1) * P("!") / format_extension,
}
@@ -1114,3 +1126,9 @@ local pattern =
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
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 f9e9b318df3..d6f3d673126 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tab.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tab.lua
@@ -11,7 +11,7 @@ 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 = table.concat, table.insert, table.remove
+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
@@ -98,6 +98,17 @@ function tables.removevalue(t,value) -- todo: n
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
+ -- replace all, so no: return
+ end
+ end
+ end
+end
+
function tables.insertbeforevalue(t,value,extra)
for i=1,#t do
if t[i] == extra then
@@ -534,6 +545,7 @@ 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={"]
@@ -545,23 +557,58 @@ local f_table_finish = formatters["}"]
local spaces = utilities.strings.newrepeater(" ")
-local serialize = table.serialize -- the extensive one, the one we started with
+local original_serialize = table.serialize -- the extensive one, the one we started with
-- there is still room for optimization: index run, key run, but i need to check with the
-- latest lua for the value of #n (with holes) .. anyway for tracing purposes we want
-- indices / keys being sorted, so it will never be real fast
-function table.serialize(root,name,specification)
+local function serialize(root,name,specification)
if type(specification) == "table" then
- return serialize(root,name,specification) -- the original one
+ return original_serialize(root,name,specification) -- the original one
end
- local t -- = { }
- local n = 1
+ local t -- = { }
+ local n = 1
+ local unknown = false
+
+-- local function simple_table(t)
+-- local ts = #t
+-- if ts > 0 then
+-- local n = 0
+-- for _, v in next, t do
+-- n = n + 1
+-- if type(v) == "table" then
+-- return nil
+-- end
+-- end
+-- if n == ts then
+-- local tt = { }
+-- local nt = 0
+-- for i=1,ts do
+-- local v = t[i]
+-- local tv = type(v)
+-- nt = nt + 1
+-- if tv == "number" then
+-- tt[nt] = v
+-- elseif tv == "string" then
+-- tt[nt] = format("%q",v) -- f_string(v)
+-- elseif tv == "boolean" then
+-- tt[nt] = v and "true" or "false"
+-- else
+-- return nil
+-- end
+-- end
+-- return tt
+-- end
+-- end
+-- return nil
+-- end
local function simple_table(t)
- if #t > 0 then
+ local nt = #t
+ if nt > 0 then
local n = 0
for _, v in next, t do
n = n + 1
@@ -569,24 +616,40 @@ function table.serialize(root,name,specification)
return nil
end
end
- if n == #t then
+ local haszero = t[0]
+ if n == nt then
local tt = { }
- local nt = 0
- for i=1,#t do
+ for i=1,nt do
local v = t[i]
local tv = type(v)
- nt = nt + 1
if tv == "number" then
- tt[nt] = v
+ tt[i] = v -- not needed tostring(v)
elseif tv == "string" then
- tt[nt] = format("%q",v) -- f_string(v)
+ tt[i] = format("%q",v) -- f_string(v)
elseif tv == "boolean" then
- tt[nt] = v and "true" or "false"
+ 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 -- not needed tostring(v)
+ elseif tv == "string" then
+ tt[i+1] = format("%q",v) -- f_string(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
@@ -612,7 +675,7 @@ function table.serialize(root,name,specification)
depth = depth + 1
end
-- we could check for k (index) being number (cardinal)
- if root and next(root) then
+ if root and next(root) ~= nil then
local first = nil
local last = 0
last = #root
@@ -625,19 +688,19 @@ function table.serialize(root,name,specification)
if last > 0 then
first = 1
end
- local sk = sortedkeys(root) -- inline fast version?
+ local sk = sortedkeys(root) -- inline fast version?\
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 >= first and k <= last then
+ 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 not next(v) then
+ if next(v) == nil then -- tricky as next is unpredictable in a hash
n = n + 1 t[n] = f_val_not(depth)
else
local st = simple_table(v)
@@ -649,6 +712,8 @@ function table.serialize(root,name,specification)
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
@@ -657,6 +722,8 @@ function table.serialize(root,name,specification)
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
@@ -665,15 +732,19 @@ function table.serialize(root,name,specification)
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 not next(v) then
+ if next(v) == nil then
if tk == "number" then
- n = n + 1 t[n] = f_key_num_value_not(depth,k,v)
+ 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,v)
+ 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,v)
+ 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)
@@ -685,6 +756,8 @@ function table.serialize(root,name,specification)
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
@@ -694,6 +767,18 @@ function table.serialize(root,name,specification)
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
@@ -731,11 +816,22 @@ function table.serialize(root,name,specification)
root._w_h_a_t_e_v_e_r_ = nil
end
-- Let's forget about empty tables.
- if next(root) then
- do_serialize(root,name,1,0)
+ if next(root) ~= nil then
+ local st = simple_table(root)
+ if st then
+ return t[1] .. f_fin_seq(st) -- todo: move up and in one go
+ 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
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tpl.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tpl.lua
index 67d05822116..468dd429c98 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tpl.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-tpl.lua
@@ -52,7 +52,7 @@ local sqlescape = lpeg.replacer {
-- { "\t", "\\t" },
}
-local sqlquoted = lpeg.Cs(lpeg.Cc("'") * sqlescape * lpeg.Cc("'"))
+local sqlquoted = Cs(Cc("'") * sqlescape * Cc("'"))
lpegpatterns.sqlescape = sqlescape
lpegpatterns.sqlquoted = sqlquoted
@@ -111,13 +111,26 @@ local luaescaper = escapers.lua
local quotedluaescaper = quotedescapers.lua
local function replacekeyunquoted(s,t,how,recurse) -- ".. \" "
- local escaper = how and escapers[how] or luaescaper
- return escaper(replacekey(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) -- ".. \" "
- local escaper = how and quotedescapers[how] or quotedluaescaper
- return escaper(replacekey(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("%") -- test %test% test : resolves test
@@ -135,12 +148,19 @@ local norquoted = rquoted / ''
local nolquotedq = lquotedq / ''
local norquotedq = rquotedq / ''
-local key = nosingle * ((C((1-nosingle )^1) * Carg(1) * Carg(2) * Carg(3)) / replacekey ) * nosingle
-local quoted = nolquotedq * ((C((1-norquotedq)^1) * Carg(1) * Carg(2) * Carg(3)) / replacekeyquoted ) * norquotedq
-local unquoted = nolquoted * ((C((1-norquoted )^1) * Carg(1) * Carg(2) * Carg(3)) / replacekeyunquoted) * norquoted
+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 + key + any)^0)
+ replacer = Cs((unquoted + quoted + escape + optional + key + any)^0)
local function replace(str,mapping,how,recurse)
if mapping and str then
@@ -156,6 +176,7 @@ end
-- print(replace("test '%[x]%' test",{ x = [[a '%y%'  a]], y = "oeps" },'sql',true))
-- print(replace([[test %[x]% test]],{ x = [[a "x"  a]]}))
-- print(replace([[test %(x)% test]],{ x = [[a "x"  a]]}))
+-- print(replace([[convert %?x: -x "%x%" ?% %?y: -y "%y%" ?%]],{ x = "yes" }))
templates.replace = replace
@@ -188,3 +209,5 @@ end
-- inspect(utilities.templates.replace("test %one% test", { one = "%two%", two = "two" }))
-- inspect(utilities.templates.resolve({ one = "%two%", two = "two", three = "%three%" }))
+-- inspect(utilities.templates.replace("test %one% test", { one = "%two%", two = "two" },false,true))
+-- inspect(utilities.templates.replace("test %one% test", { one = "%two%", two = "two" },false))
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs.lua
index 7876e5ce844..9ee84d64098 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs.lua
@@ -7,12 +7,15 @@
-- lualibs.dtx (with options: `lualibs')
-- This is a generated file.
--
--- Copyright (C) 2009--2014 by PRAGMA ADE / ConTeXt Development Team
+-- Copyright (C) 2009--2015 by
+-- PRAGMA ADE / ConTeXt Development Team
+-- The LuaLaTeX Dev Team
--
-- See ConTeXt's mreadme.pdf for the license.
--
-- This work consists of the main source file lualibs.dtx
--- and the derived file lualibs.lua.
+-- and the derived files lualibs.lua, lualibs-basic.lua,
+-- and lualibs-extended.lua.
--
-- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -22,8 +25,8 @@ lualibs = lualibs or { }
lualibs.module_info = {
name = "lualibs",
- version = 2.2,
- date = "2014-07-26",
+ version = 2.3,
+ date = "2015-12-02",
description = "ConTeXt Lua standard libraries.",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux & Philipp Gesang",
copyright = "PRAGMA ADE / ConTeXt Development Team",