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if not modules then modules = { } end modules ['mtx-plain'] = {
version = 1.002,
comment = "companion to mtxrun.lua",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- future version will use the texmf-cache/generic/formats/<engine> path
-- instead because then we can use some more of the generic context
-- initializers ... in that case we will also use the regular database
-- instead of kpse here, just like with the font database code (as that
-- one also works with kpse runtime)
local helpinfo = [[
<?xml version="1.0"?>
<application>
<metadata>
<entry name="name">mtx-plain</entry>
<entry name="detail">Plain TeX Runner</entry>
<entry name="version">1.00</entry>
</metadata>
<flags>
<category name="basic">
<subcategory>
<flag name="make"><short>create format file</short></flag>
<flag name="run"><short>process file</short></flag>
<flag name="format" value="string"><short>format name (default: luatex-plain)</short></flag>
<flag name="engine" value="string"><short>engine to use (default: luatex)</short></flag>
<flag name="jit"><short>use luajittex</short></flag>
</subcategory>
</category>
</flags>
</application>
]]
local application = logs.application {
name = "mtx-plain",
banner = "Plain TeX Runner 1.00",
helpinfo = helpinfo,
}
local report = application.report
scripts = scripts or { }
scripts.plain = scripts.plain or { }
local function execute(...)
local command = string.format(...)
report("running command %a\n",command)
os.execute(command)
end
local function resultof(...)
local command = string.format(...)
report("running command %a",command)
return string.strip(os.resultof(command) or "")
end
function scripts.plain.make(texengine,texformat)
report("generating kpse file database")
execute("mktexlsr") -- better play safe and use this one
local fmtpathspec = resultof("kpsewhich --var-value=TEXFORMATS --engine=%s",texengine)
if fmtpathspec ~= "" then
report("using path specification %a",fmtpathspec)
fmtpathspec = resultof('kpsewhich -expand-braces="%s"',fmtpathspec)
end
if fmtpathspec ~= "" then
report("using path expansion %a",fmtpathspec)
else
report("no valid path reported, trying alternative")
fmtpathspec = resultof("kpsewhich --show-path=fmt --engine=%s",texengine)
if fmtpathspec ~= "" then
report("using path expansion %a",fmtpathspec)
else
report("no valid path reported, falling back to current path")
fmtpathspec = "."
end
end
fmtpathspec = string.splitlines(fmtpathspec)[1] or fmtpathspec
fmtpathspec = file.splitpath(fmtpathspec)
local fmtpath = nil
for i=1,#fmtpathspec do
local path = fmtpathspec[i]
if path ~= "." then
dir.makedirs(path)
if lfs.isdir(path) and file.is_writable(path) then
fmtpath = path
break
end
end
end
if not fmtpath or fmtpath == "" then
fmtpath = "."
else
lfs.chdir(fmtpath)
end
execute('%s --ini %s \\dump',texengine,file.addsuffix(texformat,"tex"))
report("generating kpse file database")
execute("mktexlsr")
report("format %a saved on path %a",texformat,fmtpath)
end
function scripts.plain.run(texengine,texformat,filename)
execute('%s --fmt=%s "%s"',texengine,file.removesuffix(texformat),filename)
end
local texformat = environment.arguments.texformat or environment.arguments.format
local texengine = environment.arguments.texengine or environment.arguments.engine
if type(texengine) ~= "string" or texengine == "" then
texengine = environment.arguments.jit and "luajittex" or"luatex"
end
if type(texformat) ~= "string" or texformat == "" then
texformat = "luatex-plain"
end
local filename = environment.files[1]
if environment.arguments.exporthelp then
application.export(environment.arguments.exporthelp,filename)
elseif environment.arguments.make then
scripts.plain.make(texengine,texformat)
elseif filename then
scripts.plain.run(texengine,texformat,filename)
else
application.help()
end
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