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authorPhilipp Gesang <phg42.2a@gmail.com>2014-12-09 23:07:55 +0100
committerPhilipp Gesang <phg42.2a@gmail.com>2014-12-09 23:07:55 +0100
commitc076033eae06ee3f30c02bfa4d529001379eff6c (patch)
tree859c2a0ce2ae6a594f4069b053e4631383e71704 /src/fontloader/misc/fontloader-languages.lua
parentc8808efcf8bd69b6038627f92298818d9028c088 (diff)
downloadluaotfload-c076033eae06ee3f30c02bfa4d529001379eff6c.tar.gz
[fontloader] reorganize under the new import scheme
For better orientation, the fontloader tree now contains two subdirectories into which files have been reorganized: The two files required at runtime for the fontloader and luaotfload-tool are: × ``fontloader-basics-gen.lua`` × ``fontloader-fontloader.lua`` They are now kept in the ``src/fontloader/runtime/`` subdirectory. All other files from upstream are now located in ``src/fontloader/misc``. This includes a number of files that have not yet been part of Luaotfload. Currently, the *misc* set of files is not packaged along with Luaotfload. This may change in the future when there is an option to switch the merged fontloader for its constituent files, or even for upstream.
Diffstat (limited to 'src/fontloader/misc/fontloader-languages.lua')
-rw-r--r--src/fontloader/misc/fontloader-languages.lua45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/fontloader/misc/fontloader-languages.lua b/src/fontloader/misc/fontloader-languages.lua
new file mode 100644
index 0000000..1ea8c1f
--- /dev/null
+++ b/src/fontloader/misc/fontloader-languages.lua
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+if not modules then modules = { } end modules ['luatex-languages'] = {
+ version = 1.001,
+ comment = "companion to luatex-languages.tex",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+-- We borrow from ConTeXt.
+
+languages = languages or { }
+
+local loaded = { }
+
+function languages.loadpatterns(tag)
+ if not loaded[tag] then
+ loaded[tag] = 0
+ local filename = kpse.find_file("lang-" .. tag .. ".lua")
+ if filename and filename == "" then
+ print("<unknown language file for: " .. tag .. ">")
+ else
+ local whatever = loadfile(filename)
+ if type(whatever) == "function" then
+ whatever = whatever()
+ if type(whatever) == "table" then
+ local characters = whatever.patterns.characters or ""
+ local patterns = whatever.patterns.data or ""
+ local exceptions = whatever.exceptions.data or ""
+ local language = lang.new()
+ for b in string.utfvalues(characters) do
+ tex.setlccode(b,b)
+ end
+ lang.patterns(language, patterns)
+ lang.hyphenation(language, exceptions)
+ loaded[tag] = lang.id(language)
+ else
+ print("<invalid language table: " .. tag .. ">")
+ end
+ else
+ print("<invalid language file: " .. tag .. ">")
+ end
+ end
+ end
+ return loaded[tag]
+end