| # -*- coding: utf-8 -*- |
| # Copyright 2010-2015, Google Inc. |
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| # |
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| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
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| # notice, this list of conditions and the following disclaimer. |
| # * 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. |
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| # this software without specific prior written permission. |
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| |
| """Script to generate config_file_stream_data.h.""" |
| |
| __author__ = "hidehiko" |
| |
| import optparse |
| import os.path |
| import sys |
| |
| |
| def ParseOptions(): |
| """Parses options from given argument.""" |
| parser = optparse.OptionParser() |
| parser.add_option('--output', dest='output', help='Output file path') |
| return parser.parse_args() |
| |
| |
| def GenerateFileData(path): |
| """Generate FileData entry from given file path. |
| |
| The generated FileData entry looks as follows: |
| { "something_original_file_path", "\xAA\xBB\xCC", 3 } |
| |
| Args: |
| path: a filepath to be converted into FileData. |
| Returns: |
| Generated code of a FileData entry. |
| """ |
| result = [] |
| result.append(' { "%s", "' % os.path.basename(path)) |
| with open(path, 'rb') as stream: |
| result.extend(r'\x%02X' % ord(byte) for byte in stream.read()) |
| result.append('", %d }' % os.path.getsize(path)) |
| |
| return ''.join(result) |
| |
| |
| def OutputConfigFileStreamData(path_list, output): |
| """Outputs the generated FileData entries for path_list. |
| |
| Prints the config_file_stream_data.h file, which contains FileData entries |
| of files in given path_list, to the output stream. |
| The generated code looks like: |
| |
| static const FileData kFileData[] = { |
| { "filename1", "\x00\x01\x02\x03", 4 }, |
| { "filename2", "\x10\x11\x12\x13\x14\x15\x16\x17", 8 }, |
| : |
| : |
| }; |
| |
| Args: |
| path_list: a list of file path which should be included in the |
| config_file_stream_data as FileData entries. |
| output: a stream of the output data. |
| """ |
| output.write('static const FileData kFileData[] = {\n') |
| for path in path_list: |
| output.write(GenerateFileData(path)) |
| output.write(',\n') |
| output.write('};\n') |
| |
| |
| def main(): |
| (options, args) = ParseOptions() |
| if not options.output: |
| print >>sys.stderr, ( |
| 'usage: gen_config_file_stream_data.py --output=filepath input ...') |
| sys.exit(2) |
| |
| with open(options.output, 'w') as output: |
| OutputConfigFileStreamData(args, output) |
| |
| |
| if __name__ == '__main__': |
| main() |