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#!/user/bin/env python
#
# 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.
import os
import re
import sys
def GetScriptName():
return os.path.basename(os.path.abspath(sys.argv[0]))
def KCamelToShouty(s):
"""Convert |s| from kCamelCase or CamelCase to SHOUTY_CASE.
kFooBar -> FOO_BAR
FooBar -> FOO_BAR
FooBAR9 -> FOO_BAR9
FooBARBaz -> FOO_BAR_BAZ
"""
if not re.match(r'^k?([A-Z][^A-Z]+|[A-Z0-9]+)+$', s):
return s
# Strip the leading k.
s = re.sub(r'^k', '', s)
# Add _ between title words and anything else.
s = re.sub(r'([^_])([A-Z][^A-Z_0-9]+)', r'\1_\2', s)
# Add _ between lower -> upper transitions.
s = re.sub(r'([^A-Z_0-9])([A-Z])', r'\1_\2', s)
return s.upper()
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