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authorTaco Hoekwater <taco@elvenkind.com>2008-06-12 10:42:53 +0000
committerTaco Hoekwater <taco@elvenkind.com>2008-06-12 10:42:53 +0000
commit0d01365d53c456d246da0ca1f0b3cd9868f02b35 (patch)
tree01a655c8028e17cfb371456b299c1848fe08c05b /Master/texmf-dist/tex/context/base/l-utils.lua
parent44f3714442da07fdfc36a7f2a8dcd5d4294c5d26 (diff)
ConTeXt release 2008.05.21
git-svn-id: svn://tug.org/texlive/trunk@8691 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/context/base/l-utils.lua')
-rw-r--r--Master/texmf-dist/tex/context/base/l-utils.lua132
1 files changed, 132 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/l-utils.lua b/Master/texmf-dist/tex/context/base/l-utils.lua
new file mode 100644
index 00000000000..ec8e39b9428
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+++ b/Master/texmf-dist/tex/context/base/l-utils.lua
@@ -0,0 +1,132 @@
+-- filename : l-utils.lua
+-- comment : split off from luat-lib
+-- author : Hans Hagen, PRAGMA-ADE, Hasselt NL
+-- copyright: PRAGMA ADE / ConTeXt Development Team
+-- license : see context related readme files
+
+if not versions then versions = { } end versions['l-utils'] = 1.001
+
+if not utils then utils = { } end
+if not utils.merger then utils.merger = { } end
+if not utils.lua then utils.lua = { } end
+
+utils.merger.m_begin = "begin library merge"
+utils.merger.m_end = "end library merge"
+utils.merger.pattern =
+ "%c+" ..
+ "%-%-%s+" .. utils.merger.m_begin ..
+ "%c+(.-)%c+" ..
+ "%-%-%s+" .. utils.merger.m_end ..
+ "%c+"
+
+function utils.merger._self_fake_()
+ return
+ "-- " .. "created merged file" .. "\n\n" ..
+ "-- " .. utils.merger.m_begin .. "\n\n" ..
+ "-- " .. utils.merger.m_end .. "\n\n"
+end
+
+function utils.report(...)
+ print(...)
+end
+
+function utils.merger._self_load_(name)
+ local f, data = io.open(name), ""
+ if f then
+ data = f:read("*all")
+ f:close()
+ end
+ return data or ""
+end
+
+function utils.merger._self_save_(name, data)
+ if data ~= "" then
+ local f = io.open(name,'w')
+ if f then
+ f:write(data)
+ f:close()
+ end
+ end
+end
+
+function utils.merger._self_swap_(data,code)
+ if data ~= "" then
+ return (data:gsub(utils.merger.pattern, function(s)
+ return "\n\n" .. "-- "..utils.merger.m_begin .. "\n" .. code .. "\n" .. "-- "..utils.merger.m_end .. "\n\n"
+ end, 1))
+ else
+ return ""
+ end
+end
+
+function utils.merger._self_libs_(libs,list)
+ local result, f = { }, nil
+ if type(libs) == 'string' then libs = { libs } end
+ if type(list) == 'string' then list = { list } end
+ for _, lib in ipairs(libs) do
+ for _, pth in ipairs(list) do
+ local name = string.gsub(pth .. "/" .. lib,"\\","/")
+ f = io.open(name)
+ if f then
+ -- utils.report("merging library",name)
+ result[#result+1] = f:read("*all")
+ f:close()
+ list = { pth } -- speed up the search
+ break
+ else
+ -- utils.report("no library",name)
+ end
+ end
+ end
+ return table.concat(result, "\n\n")
+end
+
+function utils.merger.selfcreate(libs,list,target)
+ if target then
+ utils.merger._self_save_(
+ target,
+ utils.merger._self_swap_(
+ utils.merger._self_fake_(),
+ utils.merger._self_libs_(libs,list)
+ )
+ )
+ end
+end
+
+function utils.merger.selfmerge(name,libs,list,target)
+ utils.merger._self_save_(
+ target or name,
+ utils.merger._self_swap_(
+ utils.merger._self_load_(name),
+ utils.merger._self_libs_(libs,list)
+ )
+ )
+end
+
+function utils.merger.selfclean(name)
+ utils.merger._self_save_(
+ name,
+ utils.merger._self_swap_(
+ utils.merger._self_load_(name),
+ ""
+ )
+ )
+end
+
+utils.lua.compile_strip = true
+
+function utils.lua.compile(luafile, lucfile, cleanup)
+ -- utils.report("compiling",luafile,"into",lucfile)
+ os.remove(lucfile)
+ local command = "-o " .. string.quote(lucfile) .. " " .. string.quote(luafile)
+ if utils.lua.compile_strip then
+ command = "-s " .. command
+ end
+ local done = (os.spawn("texluac " .. command) == 0) or (os.spawn("luac " .. command) == 0)
+ if done and cleanup and lfs.isfile(lucfile) and lfs.isfile(luafile) then
+ -- utils.report("removing",luafile)
+ os.remove(luafile)
+ end
+ return done
+end
+