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--
-- This is file `fontspec.lua',
-- generated with the docstrip utility.
--
-- The original source files were:
--
-- fontspec.dtx (with options: `lua')
-- fontspec-lua.dtx (with options: `lua')
-- ------------------------------------------------
-- The FONTSPEC package <wspr.io/fontspec>
-- ------------------------------------------------
-- Copyright 2004-2017 Will Robertson, LPPL "maintainer"
-- Copyright 2009-2013 Khaled Hosny
-- ------------------------------------------------
-- This package is free software and may be redistributed and/or modified under
-- the conditions of the LaTeX Project Public License, version 1.3c or higher
-- (your choice): <http://www.latex-project.org/lppl/>.
-- ------------------------------------------------
-- ^^A%% fontspec.dtx -- part of FONTSPEC <wspr.io/fontspec>
fontspec = fontspec or {}
local fontspec = fontspec
fontspec.module = {
name = "fontspec",
version = "2.6f",
date = "2017/11/05",
description = "Font selection for XeLaTeX and LuaLaTeX",
author = "Khaled Hosny, Philipp Gesang, Will Robertson",
copyright = "Khaled Hosny, Philipp Gesang, Will Robertson",
license = "LPPL"
}
-- ^^A%% fontspec-lua.dtx -- part of FONTSPEC <wspr.io/fontspec>
local err, warn, info, log = luatexbase.provides_module(fontspec.module)
fontspec.log = log or (function (s) luatexbase.module_info("fontspec", s) end)
fontspec.warning = warn or (function (s) luatexbase.module_warning("fontspec", s) end)
fontspec.error = err or (function (s) luatexbase.module_error("fontspec", s) end)
local latex
if luatexbase.registernumber then
latex = luatexbase.registernumber("catcodetable@latex")
else
latex = luatexbase.catcodetables.CatcodeTableLaTeX
end
local function tempswatrue() tex.sprint(latex,[[\FontspecSetCheckBoolTrue ]]) end
local function tempswafalse() tex.sprint(latex,[[\FontspecSetCheckBoolFalse]]) end
function fontspec.check_ot_script(fnt, script)
if luaotfload.aux.provides_script(font.id(fnt), script) then
tempswatrue()
else
tempswafalse()
end
end
function fontspec.check_ot_lang(fnt, lang, script)
if luaotfload.aux.provides_language(font.id(fnt), script, lang) then
tempswatrue()
else
tempswafalse()
end
end
function fontspec.check_ot_feat(fnt, feat, lang, script)
for _, f in ipairs { "+trep", "+tlig", "+anum" } do
if feat == f then
tempswatrue()
return
end
end
if luaotfload.aux.provides_feature(font.id(fnt), script, lang, feat) then
tempswatrue()
else
tempswafalse()
end
end
function fontspec.mathfontdimen(fnt, str)
local mathdimens = luaotfload.aux.get_math_dimension(fnt, str)
if mathdimens then
tex.sprint(mathdimens)
tex.sprint("sp")
else
tex.sprint("0pt")
end
end
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