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This test drives the new tools_webrtc/remove_extra_namespace.py tool. Bug: None Change-Id: I9b590aa1213e4cace2d64d555f4dafd893f03606 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/327021 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41141}
93 lines
3.3 KiB
Python
Executable file
93 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env vpython3
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# Copyright (c) 2023 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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"""Remove extra namespace qualifications
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Looks for names that don't need to be qualified by namespace, and deletes
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the qualifier.
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Depends on namespace names being properly formatted
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"""
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import os
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import glob
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import sys
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import re
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import argparse
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def remove_extra_namespace_from_file(namespace, filename):
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print('Processing namespace', namespace, 'file', filename)
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with open(filename) as file:
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newfile = open(filename + '.NEW', 'w')
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namespaces = []
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changes = 0
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for line in file:
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match = re.match(r'namespace (\S+) {', line)
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if match is not None:
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namespaces.insert(0, match.group(1))
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newfile.write(line)
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continue
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match = re.match(r'}\s+// namespace (\S+)$', line)
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if match is not None:
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if match.group(1) != namespaces[0]:
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print('Namespace mismatch')
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raise RuntimeError('Namespace mismatch')
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del namespaces[0]
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newfile.write(line)
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continue
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# Remove namespace usage. Only replacing when target
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# namespace is the innermost namespace.
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if len(namespaces) > 0 and namespaces[0] == namespace:
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# Note that in namespace foo, we match neither ::foo::name
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# nor morefoo::name
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# Neither do we match foo:: when it is not followed by
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# an identifier character.
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usage_re = r'(?<=[^a-z:]){}::(?=[a-zA-Z])'.format(
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namespaces[0])
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if re.search(usage_re, line):
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line = re.sub(usage_re, '', line)
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changes += 1
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newfile.write(line)
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if changes > 0:
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print('Made', changes, 'changes to', filename)
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os.remove(filename)
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os.rename(filename + '.NEW', filename)
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else:
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os.remove(filename + '.NEW')
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def remove_extra_namespace_from_files(namespace, files):
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for file in files:
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if os.path.isfile(file):
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if re.search(r'\.(h|cc)$', file):
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remove_extra_namespace_from_file(namespace, file)
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elif os.path.isdir(file):
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if file in ('third_party', 'out'):
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continue
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subfiles = glob.glob(file + '/*')
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remove_extra_namespace_from_files(namespace, subfiles)
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else:
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print(file, 'is not a file or directory, ignoring')
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def main():
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parser = argparse.ArgumentParser(
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prog='remove_extra_namespace.py',
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description=__doc__.strip().splitlines()[0],
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epilog=''.join(__doc__.splitlines(True)[1:]),
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formatter_class=argparse.RawDescriptionHelpFormatter,
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)
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parser.add_argument('--namespace')
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parser.add_argument('files', nargs=argparse.REMAINDER)
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args = parser.parse_args()
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return remove_extra_namespace_from_files(args.namespace, args.files)
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if __name__ == '__main__':
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sys.exit(main())
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