| # Copyright 2019 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """ |
| Generates an umbrella header file that #import all public header of a |
| binary framework. |
| """ |
| |
| import argparse |
| import os |
| import sys |
| |
| |
| def GenerateImport(header): |
| """Returns a string for importing |header|.""" |
| return '#import "%s"\n' % os.path.basename(header) |
| |
| |
| def GenerateUmbrellaHeader(headers): |
| """Returns a string with the content of the umbrella header.""" |
| return ''.join([ GenerateImport(header) for header in headers ]) |
| |
| |
| def ParseArgs(argv): |
| """Parses command line arguments.""" |
| parser = argparse.ArgumentParser( |
| description=__doc__, |
| formatter_class=argparse.ArgumentDefaultsHelpFormatter) |
| |
| parser.add_argument( |
| 'headers', nargs='+', |
| help='path to the public heeaders') |
| parser.add_argument( |
| '-o', '--output', default='-', |
| help='path of the output file to create; - means stdout') |
| |
| return parser.parse_args(argv) |
| |
| |
| def main(argv): |
| args = ParseArgs(argv) |
| |
| content = GenerateUmbrellaHeader(args.headers) |
| |
| if args.output == '-': |
| sys.stdout.write(content) |
| else: |
| with open(args.output, 'w') as output: |
| output.write(content) |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv[1:])) |
