Aegisub/tools/respack.lua

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#!/usr/bin/env luajit
-- Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
--
-- Permission to use, copy, modify, and distribute this software for any
-- purpose with or without fee is hereby granted, provided that the above
-- copyright notice and this permission notice appear in all copies.
--
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
--
-- Aegisub Project http://www.aegisub.org/
if not arg or #arg == 0 then arg = {...} end
if #arg ~= 3 then
io.stdout:write('Usage: <manifest>[in] <c++ file>[out] <header>[out]\n')
os.exit(1)
end
local function try_open(filename, mode)
local file, err = io.open(filename, mode)
if not file then
io.stdout:write(string.format('Failed to open "%s": %s\n', filename, err))
os.exit(1)
end
return file
end
io.stdout:write("Manifest: " .. arg[1] .. " CPP: " .. arg[2] .. " Header: " .. arg[3] .. '\n')
local manifest = try_open(arg[1], 'r')
local out_cpp = try_open(arg[2], 'w')
local out_h = try_open(arg[3], 'w')
local path = arg[1]:match'(.*/).*' or ''
out_cpp:write('#include "libresrc.h"\n')
for line in manifest:lines() do
if line:find('.') then
local file = try_open(path..line, 'rb')
local id = line:gsub('^.*/', ''):gsub('%.[a-z]+$', '')
out_cpp:write("const unsigned char " .. id .. "[] = {")
local len = 0
while true do
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local bytes = file:read(65536)
if not bytes then break end
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for i = 1, #bytes do
if len > 0 then out_cpp:write(',') end
out_cpp:write(string.format('%d', bytes:byte(i)))
len = len + 1
end
end
out_cpp:write('};\n')
out_h:write(string.format('extern const unsigned char %s[%d];\n', id, len))
file:close()
end
end