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      1 #!/usr/bin/env python
      2 # Copyright (c) 2012 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 # This script converts old-style <a> links to API docs to the new $ref links.
      7 # See reference_resolver.py for more info on the format of $ref links.
      8 
      9 import optparse
     10 import os
     11 import re
     12 
     13 from docs_server_utils import SanitizeAPIName
     14 
     15 def _ReadFile(filename):
     16   with open(filename) as f:
     17     return f.read()
     18 
     19 def _WriteFile(filename, contents):
     20   with open(filename, 'w') as f:
     21     f.write(contents)
     22 
     23 def _Replace(matches, filename):
     24   title = matches.group(3)
     25   if matches.group(2).count('#') != 1:
     26     return '<a%shref=%s>%s</a>' % (matches.group(1),
     27                                    matches.group(2),
     28                                    title)
     29   clean = (matches.group(2).replace('\\', '')
     30                            .replace("'", '')
     31                            .replace('"', '')
     32                            .replace('/', ''))
     33   page, link = clean.split('#')
     34   if not page:
     35     page = '%s.html' % SanitizeAPIName(filename.rsplit(os.sep, 1)[-1])
     36   if (not link.startswith('property-') and
     37       not link.startswith('type-') and
     38       not link.startswith('method-') and
     39       not link.startswith('event-')):
     40     return '<a%shref=%s>%s</a>' % (matches.group(1),
     41                                    matches.group(2),
     42                                    title)
     43 
     44   link = re.sub('^(property|type|method|event)-', '', link).replace('-', '.')
     45   page = page.replace('.html', '.').replace('_', '.')
     46   if matches.group(1) == ' ':
     47     padding = ''
     48   else:
     49     padding = matches.group(1)
     50   if link in title:
     51     return '%s$(ref:%s%s)' % (padding, page, link)
     52   else:
     53     return '%s$(ref:%s%s %s)' % (padding, page, link, title)
     54 
     55 def _ConvertFile(filename, use_stdout):
     56   regex = re.compile(r'<a(.*?)href=(.*?)>(.*?)</a>', flags=re.DOTALL)
     57   contents = _ReadFile(filename)
     58   contents  = re.sub(regex,
     59                      lambda m: _Replace(m, filename),
     60                      contents)
     61   contents = contents.replace('$(ref:extension.lastError)',
     62                               '$(ref:runtime.lastError)')
     63   if use_stdout:
     64     print contents
     65   else:
     66     _WriteFile(filename, contents)
     67 
     68 if __name__ == '__main__':
     69   parser = optparse.OptionParser(
     70       description='Converts <a> links to $ref links.',
     71       usage='usage: %prog [option] <directory>')
     72   parser.add_option('-f', '--file', default='',
     73       help='Convert links in single file.')
     74   parser.add_option('-o', '--out', action='store_true', default=False,
     75       help='Write to stdout.')
     76   regex = re.compile(r'<a(.*?)href=(.*?)>(.*?)</a>', flags=re.DOTALL)
     77 
     78   opts, argv = parser.parse_args()
     79   if opts.file:
     80     _ConvertFile(opts.file, opts.out)
     81   else:
     82     if len(argv) != 1:
     83       parser.print_usage()
     84       exit(0)
     85     for root, dirs, files in os.walk(argv[0]):
     86       for name in files:
     87         _ConvertFile(os.path.join(root, name), opts.out)
     88