1 #!/usr/bin/env python 2 # Copyright (c) 2011 The Chromium Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 """Convert any unicode characters found in the input file to C literals.""" 7 8 import codecs 9 import optparse 10 import os 11 import sys 12 13 14 def main(argv): 15 parser = optparse.OptionParser() 16 usage = 'Usage: %prog -o <output_dir> <input_file>' 17 parser.set_usage(usage) 18 parser.add_option('-o', dest='output_dir') 19 20 options, arglist = parser.parse_args(argv) 21 22 if not options.output_dir: 23 print "output_dir required" 24 return 1 25 26 if len(arglist) != 2: 27 print "input_file required" 28 return 1 29 30 in_filename = arglist[1] 31 32 if not in_filename.endswith('.utf8'): 33 print "input_file should end in .utf8" 34 return 1 35 36 out_filename = os.path.join(options.output_dir, os.path.basename( 37 os.path.splitext(in_filename)[0])) 38 39 WriteEscapedFile(in_filename, out_filename) 40 return 0 41 42 43 def WriteEscapedFile(in_filename, out_filename): 44 input_data = codecs.open(in_filename, 'r', 'utf8').read() 45 with codecs.open(out_filename, 'w', 'ascii') as out_file: 46 for i, char in enumerate(input_data): 47 if ord(char) > 127: 48 out_file.write(repr(char.encode('utf8'))[1:-1]) 49 if input_data[i + 1:i + 2] in '0123456789abcdefABCDEF': 50 out_file.write('""') 51 else: 52 out_file.write(char.encode('ascii')) 53 54 55 if __name__ == '__main__': 56 sys.exit(main(sys.argv)) 57
