tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

generate_umbrella_header.py (2049B)

      1 # Copyright 2018 The Chromium Authors
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 """Generates an umbrella header for an iOS framework."""
      6 
      7 import argparse
      8 import datetime
      9 import os
     10 import re
     11 import string
     12 
     13 
     14 HEADER_TEMPLATE = string.Template('''\
     15 // Copyright $year The Chromium Authors
     16 // Use of this source code is governed by a BSD-style license that can be
     17 // found in the LICENSE file.
     18 //
     19 // This file is auto-generated by //build/ios/config/generate_umbrella_header.py
     20 
     21 #ifndef $header_guard
     22 #define $header_guard
     23 
     24 $imports
     25 
     26 #endif  // $header_guard
     27 ''')
     28 
     29 
     30 def ComputeHeaderGuard(file_path):
     31  """Computes the header guard for a file path.
     32 
     33  Args:
     34    file_path: The path to convert into an header guard.
     35  Returns:
     36    The header guard string for the file_path.
     37  """
     38  return re.sub(r'[.+/\\]', r'_', file_path.upper()) + '_'
     39 
     40 
     41 def WriteUmbrellaHeader(output_path, imported_headers):
     42  """Writes the umbrella header.
     43 
     44  Args:
     45    output_path: The path to the umbrella header.
     46    imported_headers: A list of headers to #import in the umbrella header.
     47  """
     48  year = datetime.date.today().year
     49  header_guard = ComputeHeaderGuard(output_path)
     50  imports = '\n'.join([
     51      '#import "%s"' % os.path.basename(header)
     52          for header in sorted(imported_headers)
     53      ])
     54  with open(output_path, 'w') as output_file:
     55    output_file.write(
     56        HEADER_TEMPLATE.safe_substitute({
     57            'year': year,
     58            'header_guard': header_guard,
     59            'imports': imports,
     60        }))
     61 
     62 
     63 def Main():
     64  parser = argparse.ArgumentParser(description=__doc__)
     65  parser.add_argument('--output-path', required=True, type=str,
     66                      help='Path to the generated umbrella header.')
     67  parser.add_argument('imported_headers', type=str, nargs='+',
     68                      help='Headers to #import in the umbrella header.')
     69  options = parser.parse_args()
     70 
     71  return WriteUmbrellaHeader(options.output_path, options.imported_headers)
     72 
     73 
     74 if __name__ == '__main__':
     75  Main()