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luaotfload = luaotfload or { }
luaotfload.fonts = { }
luaotfload.fonts.module = {
name = "luaotfload.fonts",
version = 1.001,
date = "2010/01/12",
description = "luaotfload font database.",
author = "Khaled Hosny",
copyright = "Khaled Hosny",
license = "CC0"
}
kpse.set_program_name("luatex")
if status and status.luatex_version and status.luatex_version > 44 then
require("luaextra.lua")
else
dofile(kpse.find_file("luaextra.lua"))
end
local upper, splitpath, expandpath, glob, basename = string.upper, file.split_path, kpse.expand_path, dir.glob, file.basename
luaotfload.fonts.basename = "otfl-names.lua"
luaotfload.fonts.version = 2.000
luaotfload.fonts.log_level = 1
local function info(fmt,...)
texio.write_nl(string.format("luaotfload | %s", string.format(fmt,...)))
end
local function log(lvl, ...)
if lvl <= luaotfload.fonts.log_level then
info(...)
end
end
local function sanitize(str)
return string.gsub(string.lower(str), "[^%a%d]", "")
end
function fontloader.fullinfo(...)
local t, n = { }, { }
local f = fontloader.open(...)
local m = f and fontloader.to_table(f)
fontloader.close(f)
if m.names then
for _,v in pairs(m.names) do
if v.lang == "English (US)" then
n.name = v.names.compatfull or v.names.fullname
n.family = v.names.preffamilyname or v.names.family
n.style = v.names.prefmodifiers or v.names.subfamily
end
end
end
if m.fontstyle_name then
for _,v in pairs(m.fontstyle_name) do
if v.lang == 1033 then
m.style = v.name
end
end
end
t.psname = m.fontname
t.fullname = n.name or m.fullname
t.family = n.family or m.familyname
t.style = n.style or m.style
for k,v in pairs(t) do
t[k] = sanitize(v)
end
m, n = nil, nil
return t
end
local function load_font(filename, names, texmf)
log(3, "Loading font %s", filename)
local psnames, families = names.mappings.psnames, names.mappings.families
if filename then
local info = fontloader.info(filename)
if info then
if type(info) == "table" and #info > 1 then
for index,_ in ipairs(info) do
local fullinfo = fontloader.fullinfo(filename, index-1)
if not families[fullinfo.family] then
families[fullinfo.family] = { }
end
families[fullinfo.family][fullinfo.style] = {texmf and basename(filename) or filename, index-1}
psnames[fullinfo.psname] = {texmf and basename(filename) or filename, index-1}
end
else
local fullinfo = fontloader.fullinfo(filename)
if texmf == true then
filename = basename(filename)
end
if not families[fullinfo.family] then
families[fullinfo.family] = { }
end
if not fullinfo.style then
fullinfo.style = "regular" -- ?
end
families[fullinfo.family][fullinfo.style] = {texmf and basename(filename) or filename}
psnames[fullinfo.psname] = {texmf and basename(filename) or filename}
end
else
log("Failed to load %s", filename)
end
end
end
local function scan_dir(dirname, names, recursive, texmf)
log(1, "Scanning directory %s", dirname)
local list, found = { }, { }
for _,ext in ipairs { "otf", "ttf", "ttc", "dfont" } do
if recursive then pat = "/**." else pat = "/*." end
log(2, "Scanning '%s' for '%s' fonts", dirname, ext)
found = glob(dirname .. pat .. ext)
log(2, "%s fonts found", #found)
table.append(list, found)
log(2, "Scanning '%s' for '%s' fonts", dirname, upper(ext))
found = glob(dirname .. pat .. upper(ext))
log(2, "%s fonts found", #found)
table.append(list, found)
end
for _,fnt in ipairs(list) do
load_font(fnt, names, texmf)
end
end
--[[
local function scan_os_fonts(names)
local fontdirs
fontdirs = expandpath("$OSFONTDIR")
if not fontdirs:is_empty() then
fontdirs = splitpath(fontdirs, ":")
for _,d in ipairs(fontdirs) do
scan_dir(d, names, true)
end
end
end
--]]
local function scan_txmf_tree(names)
local fontdirs = expandpath("$OPENTYPEFONTS")
fontdirs = fontdirs .. string.gsub(expandpath("$TTFONTS"), "^\.", "")
if not fontdirs:is_empty() then
local explored_dirs = {}
fontdirs = splitpath(fontdirs)
for _,d in ipairs(fontdirs) do
if not explored_dirs[d] then
scan_dir(d, names, false, true)
explored_dirs[d] = true
end
end
end
end
local function generate()
local fnames = {
mappings = {
families = { },
psnames = { },
},
version = luaotfload.fonts.version
}
local savepath
scan_txmf_tree(fnames)
info("%s fonts saved in the database", #table.keys(fnames.mappings.psnames))
savepath = kpse.expand_var("$TEXMFVAR") .. "/tex/"
if not file.isreadable(savepath) then
log(1, "Creating directory %s", savepath)
lfs.mkdir(savepath)
end
if not file.iswritable(savepath) then
info("Error: cannot write in directory %s\n", savepath)
else
savepath = savepath .. luaotfload.fonts.basename
io.savedata(savepath, table.serialize(fnames, true))
info("Saved font names database in %s\n", savepath)
end
end
luaotfload.fonts.scan = scan_dir
luaotfload.fonts.generate = generate
if arg[0] == "luaotfload-fonts.lua" then
generate()
end
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