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if not modules then modules = { } end modules ['luat-dum'] = {
version = 1.100,
comment = "companion to luatex-*.tex",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local dummyfunction = function() end
statistics = {
register = dummyfunction,
starttiming = dummyfunction,
stoptiming = dummyfunction,
elapsedtime = nil,
}
directives = {
register = dummyfunction,
enable = dummyfunction,
disable = dummyfunction,
}
trackers = {
register = dummyfunction,
enable = dummyfunction,
disable = dummyfunction,
}
experiments = {
register = dummyfunction,
enable = dummyfunction,
disable = dummyfunction,
}
storage = { -- probably no longer needed
register = dummyfunction,
shared = { },
}
logs = {
new = function() return dummyfunction end,
report = dummyfunction,
simple = dummyfunction,
}
callbacks = {
register = function(n,f) return callback.register(n,f) end,
}
utilities = {
storage = {
allocate = function(t) return t or { } end,
mark = function(t) return t or { } end,
},
}
characters = characters or {
data = { }
}
-- we need to cheat a bit here
texconfig.kpse_init = true
resolvers = resolvers or { } -- no fancy file helpers used
local remapper = {
otf = "opentype fonts",
ttf = "truetype fonts",
ttc = "truetype fonts",
dfont = "truetype fonts",
cid = "cid maps",
fea = "font feature files",
}
function resolvers.findfile(name,kind)
name = string.gsub(name,"\\","\/")
kind = string.lower(kind)
return kpse.find_file(name,(kind and kind ~= "" and (remapper[kind] or kind)) or file.extname(name,"tex"))
end
function resolvers.findbinfile(name,kind)
if not kind or kind == "" then
kind = file.extname(name) -- string.match(name,"%.([^%.]-)$")
end
return resolvers.findfile(name,(kind and remapper[kind]) or kind)
end
-- Caches ... I will make a real stupid version some day when I'm in the
-- mood. After all, the generic code does not need the more advanced
-- ConTeXt features. Cached data is not shared between ConTeXt and other
-- usage as I don't want any dependency at all. Also, ConTeXt might have
-- different needs and tricks added.
--~ containers.usecache = true
caches = { }
local writable, readables = nil, { }
if not caches.namespace or caches.namespace == "" or caches.namespace == "context" then
caches.namespace = 'generic'
end
do
local cachepaths
if kpse.expand_var('$TEXMFCACHE') ~= '$TEXMFCACHE' then
cachepaths = kpse.expand_var('$TEXMFCACHE')
elseif kpse.expand_var('$TEXMFVAR') ~= '$TEXMFVAR' then
cachepaths = kpse.expand_var('$TEXMFVAR')
end
if not cachepaths then
cachepaths = "."
end
cachepaths = string.split(cachepaths,os.type == "windows" and ";" or ":")
for i=1,#cachepaths do
local done
writable = file.join(cachepaths[i], "luatex-cache")
writable = file.join(writable,caches.namespace)
writable, done = dir.mkdirs(writable)
if done then
break
end
end
for i=1,#cachepaths do
if file.isreadable(cachepaths[i]) then
readables[#readables+1] = file.join(cachepaths[i],"luatex-cache",caches.namespace)
end
end
if not writable then
texio.write_nl("quiting: fix your writable cache path\n")
os.exit()
elseif #readables == 0 then
texio.write_nl("quiting: fix your readable cache path\n")
os.exit()
elseif #readables == 1 and readables[1] == writable then
texio.write(string.format("(using cache: %s)",writable))
else
texio.write(string.format("(using write cache: %s)",writable))
texio.write(string.format("(using read cache: %s)",table.concat(readables, " ")))
end
end
function caches.getwritablepath(category,subcategory)
local path = file.join(writable,category)
lfs.mkdir(path)
path = file.join(path,subcategory)
lfs.mkdir(path)
return path
end
function caches.getreadablepaths(category,subcategory)
local t = { }
for i=1,#readables do
t[i] = file.join(readables[i],category,subcategory)
end
return t
end
local function makefullname(path,name)
if path and path ~= "" then
name = "temp-" .. name -- clash prevention
return file.addsuffix(file.join(path,name),"lua")
end
end
function caches.is_writable(path,name)
local fullname = makefullname(path,name)
return fullname and file.is_writable(fullname)
end
function caches.loaddata(paths,name)
for i=1,#paths do
local fullname = makefullname(paths[i],name)
if fullname then
texio.write(string.format("(load: %s)",fullname))
local data = loadfile(fullname)
return data and data()
end
end
end
function caches.savedata(path,name,data)
local fullname = makefullname(path,name)
if fullname then
texio.write(string.format("(save: %s)",fullname))
table.tofile(fullname,data,'return',false,true,false)
end
end
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