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76 lines
2.0 KiB
Python
76 lines
2.0 KiB
Python
# Copyright 2018 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Generates an umbrella header for an iOS framework."""
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import argparse
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import datetime
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import os
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import re
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import string
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HEADER_TEMPLATE = string.Template('''\
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// Copyright $year The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// This file is auto-generated by //build/ios/config/generate_umbrella_header.py
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#ifndef $header_guard
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#define $header_guard
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$imports
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#endif // $header_guard
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''')
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def ComputeHeaderGuard(file_path):
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"""Computes the header guard for a file path.
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Args:
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file_path: The path to convert into an header guard.
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Returns:
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The header guard string for the file_path.
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"""
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return re.sub(r'[.+/\\]', r'_', file_path.upper()) + '_'
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def WriteUmbrellaHeader(output_path, imported_headers):
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"""Writes the umbrella header.
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Args:
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output_path: The path to the umbrella header.
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imported_headers: A list of headers to #import in the umbrella header.
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"""
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year = datetime.date.today().year
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header_guard = ComputeHeaderGuard(output_path)
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imports = '\n'.join([
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'#import "%s"' % os.path.basename(header)
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for header in sorted(imported_headers)
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])
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with open(output_path, 'w') as output_file:
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output_file.write(
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HEADER_TEMPLATE.safe_substitute({
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'year': year,
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'header_guard': header_guard,
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'imports': imports,
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}))
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def Main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--output-path', required=True, type=str,
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help='Path to the generated umbrella header.')
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parser.add_argument('imported_headers', type=str, nargs='+',
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help='Headers to #import in the umbrella header.')
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options = parser.parse_args()
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return WriteUmbrellaHeader(options.output_path, options.imported_headers)
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if __name__ == '__main__':
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Main()
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