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author | Philipp Gesang <phg42.2a@gmail.com> | 2014-02-11 06:27:04 +0100 |
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committer | Philipp Gesang <phg42.2a@gmail.com> | 2014-02-11 06:27:04 +0100 |
commit | d9825168b0fb7b07e315879584487f9d4d9e9494 (patch) | |
tree | 5350b3b748209ff2754c70ed4bc01bee586ac178 /scripts/mkcharacters | |
parent | f874408006c90ba4ecdf96fb84a2a560fb30429f (diff) | |
download | luaotfload-d9825168b0fb7b07e315879584487f9d4d9e9494.tar.gz |
[*] move mkcharacters, mktests, mkglyphlist, mkstatus to separate subdirectory scripts
Diffstat (limited to 'scripts/mkcharacters')
-rwxr-xr-x | scripts/mkcharacters | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/scripts/mkcharacters b/scripts/mkcharacters new file mode 100755 index 0000000..5d4a2f4 --- /dev/null +++ b/scripts/mkcharacters @@ -0,0 +1,156 @@ +#!/usr/bin/env texlua +----------------------------------------------------------------------- +-- FILE: mkcharacters.lua +-- USAGE: ./mkcharacters.lua +-- DESCRIPTION: import parts of char-def.lua +-- REQUIREMENTS: lua, ConTeXt, the lualibs package +-- AUTHOR: Philipp Gesang (Phg), <phg42.2a@gmail.com> +-- VERSION: 2.4 +-- CREATED: 2013-05-17 12:41:39+0200 +----------------------------------------------------------------------- +-- we create a stripped-down version of char-def.lua +----------------------------------------------------------------------- + +----------------------------------------------------------------------- +-- config +----------------------------------------------------------------------- +local charfile = "./luaotfload-characters.lua" +local chardef = "/home/phg/base/char-def.lua" + +--- for every code point char-def.lua provides a set of fields. they +--- are: +--- +--- * adobename +--- * category +--- * cjkwd +--- * comment +--- * contextname +--- * description +--- * direction +--- * lccode +--- * linebreak +--- * mathclass +--- * mathextensible +--- * mathfiller +--- * mathname +--- * mathspec +--- * mathstretch +--- * mathsymbol +--- * mirror +--- * shcode +--- * specials +--- * textclass +--- * uccode +--- * unicodeslot +--- * variants + +local import = { + "direction", "mirror", --> πολυγλωσσία/uax9 + "category", --> https://gist.github.com/phi-gamma/5812290 + "textclass", --> https://gist.github.com/phi-gamma/6488187 +} + +----------------------------------------------------------------------- +-- includes +----------------------------------------------------------------------- + +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 .. ".\n" + .. "Please install the lualibs package.") + require(found) +end + +if not (chardef and lfs.isfile(chardef)) then + --- we could grab the file from contextgarden but as Context is part + --- of TL it’s not worth bothering + chardef = assert(kpse.find_file("char-def.lua", "lua"), + "Could not find ConTeXt.") +end + +----------------------------------------------------------------------- +-- functionality +----------------------------------------------------------------------- + +local get_characters = function ( ) + local data + local inchan = io.open(chardef, "r") + if not inchan then + io.write("Could not open file for reading: "..chardef.."\n.") + goto fail + end + data = inchan:read "*all" + inchan:close() + data = loadstring(data) + if data then + data() --> characters.data + data = nil + collectgarbage "collect" + if characters.data and next(characters.data) then + return characters.data + end + io.write "Character table empty.\n" + goto fail + end + io.write(chardef .. " is not a valid Lua file.\n") + ::fail:: + io.write "Emergency exit.\n" + os.exit(1) +end + +local extract_fields_indeed +extract_fields_indeed = function (data, acc, lastidx) + local idx, char = next(data, lastidx) + if idx then + local imported = { } + for i=1, #import do + local field = import[i] + imported[field] = char[field] + end + acc[idx] = imported + return extract_fields_indeed(data, acc, idx) + end + return acc +end + +local extract_fields = function (data) + return extract_fields_indeed(data, {}, nil) +end + +local writedata = function (data) + local outchan = io.open(charfile, "w") + if not outchan then + io.write("Could not open "..charfile.." for writing.\n") + return false + end + outchan:write(data) + outchan:close() + return true +end + +do + local chardata = get_characters() + local stripped = extract_fields(chardata) + local serialized = table.serialize(stripped, true, { + compact = true, + noquotes = true, + hexify = true, --- for consistency with char-def + }) + if writedata(serialized) then + goto done + end + goto fail +end + +::done:: + os.exit(0) + +::fail:: + io.write "Emergency exit.\n" + os.exit(1) + +--- vim:ft=lua:ts=2:et:sw=2 |