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 

    26 input_file = ARGV[0]

    27 output_file = ARGV[1]

    28 

    29 require 'erb'

    30 

    31 def line_for_output line

    32   return line.chomp if line =~ /#/

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

    34 end

    35 

    36 TEMPLATE = <<-EOF

    37 #include "config.h"

    38 #include <stdio.h>

    39 

    40 int main(int, char**)

    41 {

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

    43 <%= line_for_output line %>

    44 <%- end -%>

    45 

    46     return 0;

    47 }

    48 EOF

    49 

    50 File.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

    55 end

    56 

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