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#!/usr/bin/env texlua
-----------------------------------------------------------------------
-- FILE: mkglyphlist.lua
-- USAGE: ./mkglyphlist.lua
-- DESCRIPTION: part of the luaotfload package
-- REQUIREMENTS: lua, lpeg, luasocket, the lualibs package
-- AUTHOR: Philipp Gesang (Phg), <phg42.2a@gmail.com>
-----------------------------------------------------------------------
-- interesting thread on the Context list:
-- http://www.ntg.nl/pipermail/ntg-context/2008/029057.html
--
-- N.B. this script assumes network connectivity!
-----------------------------------------------------------------------
-----------------------------------------------------------------------
-- config
-----------------------------------------------------------------------
local glyphfile = "./build/glyphlist.txt"
local font_age = "./build/luaotfload-glyphlist.lua"
local glyph_source = "http://partners.adobe.com/public/developer/en/opentype/glyphlist.txt"
-----------------------------------------------------------------------
-- fallbacks
-----------------------------------------------------------------------
--- Hans adds a small list of mappings that are not in the original
--- glyph list but seem to be normalizations of some sort. I trust his
--- experience, so I’ll just include them here. Background:
--- http://www.ntg.nl/pipermail/ntg-context/2013/073089.html
local fallbacks = {
["SF10000"]=9484, ["SF20000"]=9492, ["SF30000"]=9488,
["SF40000"]=9496, ["SF50000"]=9532, ["SF60000"]=9516,
["SF70000"]=9524, ["SF80000"]=9500, ["SF90000"]=9508,
["afii208"]=8213,
}
-----------------------------------------------------------------------
-- includes
-----------------------------------------------------------------------
require"lpeg"
require"socket"
kpse.set_program_name"luatex"
for _, lib in next, { "lualibs-lua.lua",
"lualibs-lpeg.lua",
"lualibs-table.lua", } do
local found = assert(kpse.find_file(lib, "lua"),
"Could not locate " .. lib)
require(found)
end
local C, Cf, Cg, Ct, P, R =
lpeg.C, lpeg.Cf, lpeg.Cg, lpeg.Ct, lpeg.P, lpeg.R
local http = socket.http
-----------------------------------------------------------------------
-- functionality
-----------------------------------------------------------------------
local dec_of_hex = function (hex) return tonumber(hex, 16) end
local separator = P";"
local gartenzaun = P"#"
local eol = P"\n\r" + P"\r\n" + P"\r" + P"\n"
local space = P" "
local alphanum = R("az", "AZ", "09")
local hexdigit = R("af", "AF", "09")
local eof_tag = gartenzaun * P"--end"
local header_line = gartenzaun * (1-eol)^0 * eol
local codepoint = hexdigit^1
local glyphname = alphanum^1
local definition = Cg(C(glyphname) * separator * (C(codepoint)/ dec_of_hex))
--- With combined glyphs we take only the first
--- value as char-def and font-age do, and skip
--- the rest.
* (space * codepoint)^0
* eol
local definitions = Cf(Ct"" * definition^1, rawset)
local p_glyphs = header_line^0 * definitions * eof_tag
local get_glyphs = function (data)
local res = lpeg.match(p_glyphs, data)
if not res then
print("error: could not parse glyph list")
os.exit(-1)
end
for name, glyph in next, fallbacks do
res[name] = res[name] or glyph
end
return res
end
local file_header = [==[
if not modules then modules = { } end modules ["font-age"] = {
version = 2.400,
comment = "part of the luaotfload package",
author = "luaotfload team / mkglyphlist",
copyright = "derived from %s",
original = "Adobe Glyph List, version 2.0, September 20, 2002",
dataonly = true,
}
if context then
logs.report("fatal error","this module is not for context")
os.exit(-1)
end
--[[doc--
Everything below has been autogenerated. Run mkglyphlist to rebuild
luaotfload-glyphlist.lua.
--doc]]--
]==]
local writedata = function (data)
data = table.serialize(data, true)
data = string.format(file_header, glyph_source) .. data
local fh = io.open(font_age, "wb")
if not fh then
print(string.format("error: %s not writable", font_age))
os.exit(-1)
end
print(string.format("saving %d bytes to %s", #data, font_age))
fh:write(data)
fh:close()
end
local get_raw get_raw = function (retry)
local fh = io.open(glyphfile, "rb")
if fh then
print ("info: reading glyph list from", glyphfile)
local data = fh:read"*all"
fh:close()
if data then return data end
elseif not retry then --- attempt download
print"info: retrieving glyph list from"
print(glyph_source)
local glyphdata = http.request(glyph_source)
if glyphdata then
local fh = io.open(glyphfile, "wb")
if not fh then
print (string.format ("error: glyph file (%s) not writable", glyphfile))
os.exit(-1)
end
fh:write(glyphdata)
fh:close()
return get_raw(true)
end
print"error: download failed"
os.exit(-1)
end
print("error: could not obtain glyph data from "..glyphfile)
os.exit(-1)
end
local main = function ()
if arg[1] then glyphfile = arg[1] end
if arg[2] then font_age = arg[2] end
local data = get_raw()
local parsed = get_glyphs(data)
writedata(parsed)
return 0
end
return main()
--- vim:ft=lua:ts=2:et:sw=2
|
