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1#!/usr/bin/env python
2#
3# Copyright (C) 2011 Google 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 are
7# met:
8#
9#         * Redistributions of source code must retain the above copyright
10# notice, this list of conditions and the following disclaimer.
11#         * Redistributions in binary form must reproduce the above
12# copyright notice, this list of conditions and the following disclaimer
13# in the documentation and/or other materials provided with the
14# distribution.
15#         * Neither the name of Google Inc. nor the names of its
16# contributors may be used to endorse or promote products derived from
17# this software without specific prior written permission.
18#
19# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30#
31
32# This script replaces calls to importScripts with script sources
33# in input script file and dumps result into output script file.
34
35from cStringIO import StringIO
36
37import jsmin
38import os.path
39import re
40import sys
41
42
43def main(argv):
44
45    if len(argv) < 3:
46        print('usage: %s input_file imports_dir output_file' % argv[0])
47        return 1
48
49    input_file_name = argv[1]
50    imports_dir = argv[2]
51    output_file_name = argv[3]
52
53    input_file = open(input_file_name, 'r')
54    input_script = input_file.read()
55    input_file.close()
56
57    def replace(match):
58        import_file_name = match.group(1)
59        full_path = os.path.join(imports_dir, import_file_name)
60        if not os.access(full_path, os.F_OK):
61            raise Exception('File %s referenced in %s not found on any source paths, '
62                            'check source tree for consistency' %
63                            (import_file_name, input_file_name))
64        import_file = open(full_path, 'r')
65        import_script = import_file.read()
66        import_file.close()
67        return import_script
68
69    output_script = re.sub(r'importScripts\([\'"]([^\'"]+)[\'"]\)', replace, input_script)
70
71    output_file = open(output_file_name, 'w')
72    output_file.write(jsmin.jsmin(output_script))
73    output_file.close()
74
75    # Touch output file directory to make sure that Xcode will copy
76    # modified resource files.
77    if sys.platform == 'darwin':
78        output_dir_name = os.path.dirname(output_file_name)
79        os.utime(output_dir_name, None)
80
81if __name__ == '__main__':
82    sys.exit(main(sys.argv))
83