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if not modules then modules = { } end modules ['data-lua'] = {
version = 1.001,
comment = "companion to luat-lib.tex",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- some loading stuff ... we might move this one to slot 1 depending
-- on the developments (the loaders must not trigger kpse); we could
-- of course use a more extensive lib path spec
local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end)
local gsub = string.gsub
local libformats = { 'luatexlibs', 'tex', 'texmfscripts', 'othertextfiles' }
local libpaths = file.split_path(package.path)
package.loaders[#package.loaders+1] = function(name)
for i=1,#libformats do
local format = libformats[i]
local resolved = resolvers.find_file(name,format) or ""
if resolved ~= "" then
if trace_locating then
logs.report("fileio","! lib '%s' located via environment: '%s'",name,resolved)
end
return function() return dofile(resolved) end
end
end
local simple = file.removesuffix(name)
for i=1,#libpaths do
local resolved = gsub(libpaths[i],"?",simple)
if resolvers.isreadable.file(resolved) then
if trace_locating then
logs.report("fileio","! lib '%s' located via 'package.path': '%s'",name,resolved)
end
return function() return dofile(resolved) end
end
end
-- just in case the distribution is messed up
local resolved = resolvers.find_file(file.basename(name),'luatexlibs') or ""
if resolved ~= "" then
if trace_locating then
logs.report("fileio","! lib '%s' located by basename via environment: '%s'",name,resolved)
end
return function() return dofile(resolved) end
end
if trace_locating then
logs.report("fileio",'? unable to locate lib: %s',name)
end
return "unable to locate " .. name
end
resolvers.loadlualib = require
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