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#!/usr/bin/env python
# Copyright (c) 2011 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.
"""Convert any unicode characters found in the input file to C literals."""
import codecs
import optparse
import os
import sys
def main(argv):
parser = optparse.OptionParser()
usage = 'Usage: %prog -o <output_dir> <input_file>'
parser.set_usage(usage)
parser.add_option('-o', dest='output_dir')
options, arglist = parser.parse_args(argv)
if not options.output_dir:
print "output_dir required"
return 1
if len(arglist) != 2:
print "input_file required"
return 1
in_filename = arglist[1]
if not in_filename.endswith('.utf8'):
print "input_file should end in .utf8"
return 1
out_filename = os.path.join(options.output_dir, os.path.basename(
os.path.splitext(in_filename)[0]))
WriteEscapedFile(in_filename, out_filename)
return 0
def WriteEscapedFile(in_filename, out_filename):
input_data = codecs.open(in_filename, 'r', 'utf8').read()
with codecs.open(out_filename, 'w', 'ascii') as out_file:
for i, char in enumerate(input_data):
if ord(char) > 127:
out_file.write(repr(char.encode('utf8'))[1:-1])
if input_data[i + 1:i + 2] in '0123456789abcdefABCDEF':
out_file.write('""')
else:
out_file.write(char.encode('ascii'))
if __name__ == '__main__':
sys.exit(main(sys.argv))
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