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| 1 #!/usr/bin/env python | |
| 2 # Copyright 2013 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 import os | |
| 7 import re | |
| 8 import sys | |
| 9 | |
| 10 import json | |
| 11 import optparse | |
| 12 | |
| 13 # Matches the include statement in the braille table files. | |
| 14 INCLUDE_RE = re.compile(r"^\s*include\s+([^#\s]+)") | |
| 15 | |
| 16 | |
| 17 def Error(msg): | |
| 18 print >> sys.stderr, 'liblouis_list_tables: %s' % msg | |
| 19 sys.exit(1) | |
| 20 | |
| 21 | |
| 22 def ToNativePath(pathname): | |
| 23 return os.path.sep.join(pathname.split('/')) | |
| 24 | |
| 25 | |
| 26 def LoadTablesFile(filename): | |
| 27 with open(ToNativePath(filename), 'r') as fh: | |
| 28 return json.load(fh) | |
| 29 | |
| 30 | |
| 31 def FindFile(filename, directories): | |
| 32 for d in directories: | |
| 33 fullname = '/'.join([d, filename]) | |
| 34 if os.path.isfile(ToNativePath(fullname)): | |
| 35 return fullname | |
| 36 Error('File not found: %s' % filename) | |
| 37 | |
| 38 | |
| 39 def GetIncludeFiles(filename): | |
| 40 result = [] | |
| 41 with open(ToNativePath(filename), 'r') as fh: | |
| 42 for line in fh.xreadlines(): | |
| 43 match = INCLUDE_RE.match(line) | |
| 44 if match: | |
| 45 result.append(match.group(1)) | |
| 46 return result | |
| 47 | |
| 48 | |
| 49 def ProcessFile(output_set, filename, directories): | |
| 50 fullname = FindFile(filename, directories) | |
| 51 if fullname in output_set: | |
| 52 return | |
| 53 output_set.add(fullname) | |
| 54 for include_file in GetIncludeFiles(fullname): | |
| 55 ProcessFile(output_set, include_file, directories) | |
| 56 | |
| 57 | |
| 58 def DoMain(argv): | |
| 59 "Entry point for gyp's pymod_do_main command." | |
| 60 parser = optparse.OptionParser() | |
| 61 # Give a clearer error message when this is used as a module. | |
| 62 parser.prog = 'liblouis_list_tables' | |
| 63 parser.set_usage('usage: %prog [options] listfile') | |
| 64 parser.add_option('-D', '--directory', dest='directories', | |
| 65 action='append', help='Where to search for table files') | |
| 66 (options, args) = parser.parse_args(argv) | |
| 67 | |
| 68 if len(args) != 1: | |
| 69 parser.error('Expecting exactly one argument') | |
| 70 if not options.directories: | |
| 71 parser.error('At least one --directory option must be specified') | |
| 72 | |
| 73 tables = LoadTablesFile(args[0]) | |
| 74 output_set = set() | |
| 75 for table in tables: | |
| 76 ProcessFile(output_set, table['fileName'], options.directories) | |
| 77 return '\n'.join(output_set) | |
| 78 | |
| 79 | |
| 80 def main(argv): | |
| 81 print DoMain(argv[1:]) | |
| 82 | |
| 83 | |
| 84 if __name__ == '__main__': | |
| 85 try: | |
| 86 sys.exit(main(sys.argv)) | |
| 87 except KeyboardInterrupt: | |
| 88 Error('interrupted') | |
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Chromium Code Reviews
Issue 93783003:
Revert 237638 "Build liblouis_nacl using gyp." (Closed)
Base URL: svn://svn.chromium.org/chrome/