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# Copyright (c) 2017 The Chromium Embedded Framework Authors. All rights
# reserved. Use of this source code is governed by a BSD-style license that
# can be found in the LICENSE file
from __future__ import absolute_import
from __future__ import print_function
from exec_util import exec_cmd
import os
import sys
# Script directory.
script_dir = os.path.dirname(__file__)
root_dir = os.path.join(script_dir, os.pardir)
if sys.platform == 'win32':
clang_format_exe = 'buildtools/win/clang-format.exe'
elif sys.platform == 'darwin':
clang_format_exe = 'buildtools/mac/clang-format'
elif sys.platform.startswith('linux'):
clang_format_exe = 'buildtools/linux64/clang-format'
else:
raise Exception("Unsupported platform: %s" % sys.platform)
def clang_format(file_name, file_contents):
# -assume-filename is necessary to find the .clang-format file and determine
# the language when specifying contents via stdin.
result = exec_cmd("%s -assume-filename=%s" %
(os.path.join(script_dir, clang_format_exe),
file_name), root_dir, file_contents.encode('utf-8'))
if result['err'] != '':
print("clang-format error: %s" % result['err'])
if result['out'] != '':
output = result['out']
if sys.platform == 'win32':
# Convert to Unix line endings.
output = output.replace("\r", "")
return output
return None
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