1#!/usr/bin/env python
2# Copyright (c) 2011 Google Inc. All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met:
7#
8#     * Redistributions of source code must retain the above copyright
9# notice, this list of conditions and the following disclaimer.
10#     * Redistributions in binary form must reproduce the above
11# copyright notice, this list of conditions and the following disclaimer
12# in the documentation and/or other materials provided with the
13# distribution.
14#     * Neither the name of Google Inc. nor the names of its
15# contributors may be used to endorse or promote products derived from
16# this software without specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30import os
31import re
32import sys
33
34GYPI_TEMPLATE = """{
35    'variables': {
36        '%s': [
37%s
38        ]
39    }
40}""" 
41
42def find_source_code():
43    source_code_regexp = re.compile(r'\.(cpp|h|m|mm)$')
44
45    collected_files = []
46    for directory_path, directory_names, file_names in os.walk('.'):
47        for file_name in file_names:
48            if source_code_regexp.search(file_name):
49                relative_path = os.path.join(directory_path, file_name)
50                collected_files.append(os.path.relpath(relative_path, '.'))
51
52    return collected_files
53
54def build_file_line(file_name, indent):
55    return indent +  "'%s'," % file_name
56
57def build_file_list(source_code, indent):
58    return '\n'.join([build_file_line(file_name, indent) for file_name in sorted(source_code)])
59
60def build_gypi(project):
61    key = project.lower() + '_files'
62    value = build_file_list(find_source_code(), '    ' * 3)
63    return GYPI_TEMPLATE % (key, value)
64
65def main():
66    if len(sys.argv) < 2:
67        print 'Usage: %s project_name' % sys.argv[0]
68        return
69    print build_gypi(sys.argv[1])
70
71if __name__ == "__main__":
72    main()
73