1#!/usr/bin/env ruby
2
3# Copyright (C) 2010 Apple Inc. All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
15# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
18# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
24# THE POSSIBILITY OF SUCH DAMAGE.
25
26input_file = ARGV[0]
27output_file = ARGV[1]
28
29require 'erb'
30
31def line_for_output line
32  return line.chomp if line =~ /#/
33  "    printf(\"#{line.chomp}\\n\");"
34end
35
36TEMPLATE = <<-EOF
37#include "config.h"
38#include <stdio.h>
39
40int main(int, char**)
41{
42<%- input.each_line do |line| -%>
43<%= line_for_output line %>
44<%- end -%>
45
46    return 0;
47}
48EOF
49
50File.open(output_file, "w") do |output|
51  File.open(input_file) do |input|
52    renderer = ERB.new(TEMPLATE, 0, "-")
53    output << renderer.result(binding)
54  end
55end
56
57STDERR.puts "Wrote output to #{output_file}"
58