#!/usr/bin/env ruby

# Copyright (C) 2010 Apple Inc. All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

# 1. Redistributions of source code must retain the above copyright

#    notice, this list of conditions and the following disclaimer.

# 2. Redistributions in binary form must reproduce the above copyright

#    notice, this list of conditions and the following disclaimer in the

#    documentation and/or other materials provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''

# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS

# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

# THE POSSIBILITY OF SUCH DAMAGE.

input_file = ARGV[0]

output_file = ARGV[1]

require 'erb'

def line_for_output line

  return line.chomp if line =~ /#/

  "    printf(\"#{line.chomp}\\n\");"

end

TEMPLATE = <<-EOF

#include "config.h"

#include <stdio.h>

int main(int, char**)

{

<%- input.each_line do |line| -%>

<%= line_for_output line %>

<%- end -%>

    return 0;

}

EOF

File.open(output_file, "w") do |output|

  File.open(input_file) do |input|

    renderer = ERB.new(TEMPLATE, 0, "-")

    output << renderer.result(binding)

  end

end

STDERR.puts "Wrote output to #{output_file}"