Upstream version 10.39.225.0
[platform/framework/web/crosswalk.git] / src / chrome / browser / web_dev_style / html_checker.py
1 # Copyright 2014 The Chromium Authors. All rights reserved.
2 # Use of this source code is governed by a BSD-style license that can be
3 # found in the LICENSE file.
4
5 """
6 Presubmit for Chromium HTML resources. See chrome/browser/PRESUBMIT.py.
7 """
8
9 import regex_check
10
11
12 class HtmlChecker(object):
13   def __init__(self, input_api, output_api, file_filter=None):
14     self.input_api = input_api
15     self.output_api = output_api
16     self.file_filter = file_filter
17
18   def LabelCheck(self, line_number, line):
19     return regex_check.RegexCheck(self.input_api.re, line_number, line,
20         "(for=)",
21         "Avoid 'for' attribute on <label>. Place the input within the <label>, "
22         "or use aria-labelledby for <select>.")
23
24   def RunChecks(self):
25     """Check for violations of the Chromium web development style guide. See
26        http://chromium.org/developers/web-development-style-guide
27     """
28     results = []
29
30     affected_files = self.input_api.change.AffectedFiles(
31         file_filter=self.file_filter, include_deletes=False)
32
33     for f in affected_files:
34       errors = []
35
36       for line_number, line in f.ChangedContents():
37         error = self.LabelCheck(line_number, line)
38         if error:
39           errors.append(error)
40
41       if errors:
42         abs_local_path = f.AbsoluteLocalPath()
43         file_indicator = 'Found HTML style issues in %s' % abs_local_path
44         prompt_msg = file_indicator + '\n\n' + '\n'.join(errors) + '\n'
45         results.append(self.output_api.PresubmitPromptWarning(prompt_msg))
46
47     return results