if __name__ == '__main__':
    parser = optparse.OptionParser()
    parser.add_option(
        '--for-dashboard',
        action='store_true',
        dest='dashboard',
        default=False,
        help='Print enum definition formatted for use in uma.py of '
        'Chromium dashboard developed at '
        'https://github.com/GoogleChrome/chromium-dashboard')
    options, args = parser.parse_args()

    source_path = 'third_party/WebKit/Source/core/frame/UseCounter.h'

    START_MARKER = '^enum Feature : uint32_t {'
    END_MARKER = '^kNumberOfFeatures'

    if options.dashboard:
        enum_dict, ignored = ReadHistogramValues(source_path,
                                                 START_MARKER,
                                                 END_MARKER,
                                                 strip_k_prefix=True)
        PrintEnumForDashboard(enum_dict)
    else:
        UpdateHistogramEnum(histogram_enum_name='FeatureObserver',
                            source_enum_path=source_path,
                            start_marker=START_MARKER,
                            end_marker=END_MARKER,
                            strip_k_prefix=True)
def PrintEnumForDashboard(enum_dict):
  """Prints enum_items formatted for use in uma.py of Chromium dashboard."""
  for key in sorted(enum_dict.iterkeys()):
    print '  %d: \'%s\',' % (key, enum_dict[key])


if __name__ == '__main__':
  parser = optparse.OptionParser()
  parser.add_option('--for-dashboard', action='store_true', dest='dashboard',
                    default=False,
                    help='Print enum definition formatted for use in uma.py of '
                    'Chromium dashboard developed at '
                    'https://github.com/GoogleChrome/chromium-dashboard')
  options, args = parser.parse_args()

  source_path = \
      '../../../third_party/WebKit/Source/core/frame/UseCounter.h'

  START_MARKER = '^enum Feature {'
  END_MARKER = '^NumberOfFeatures'

  if options.dashboard:
    enum_dict = ReadHistogramValues(source_path, START_MARKER, END_MARKER)
    PrintEnumForDashboard(enum_dict)
  else:
    UpdateHistogramEnum(
        histogram_enum_name='FeatureObserver',
        source_enum_path=source_path,
        start_marker=START_MARKER,
        end_marker=END_MARKER)

def print_enum_for_dashboard(enum_dict):
  """Prints enum_items formatted for use in uma.py of Chromium dashboard."""
  for key in sorted(enum_dict.iterkeys()):
    print '  %d: \'%s\',' % (key, enum_dict[key])


if __name__ == '__main__':
  parser = optparse.OptionParser()
  parser.add_option('--for-dashboard', action='store_true', dest='dashboard',
                    default=False,
                    help='Print enum definition formatted for use in uma.py of '
                    'Chromium dashboard developed at '
                    'https://github.com/GoogleChrome/chromium-dashboard')
  options, args = parser.parse_args()

  START_MARKER = '^enum Feature {'
  END_MARKER = '^NumberOfFeatures'

  if options.dashboard:
    enum_dict = ReadHistogramValues(
        USE_COUNTER_HEADER_PATH, START_MARKER, END_MARKER)
    print_enum_for_dashboard(enum_dict)
  else:
    UpdateHistogramEnum(
        histogram_enum_name='FeatureObserver',
        source_enum_path=USE_COUNTER_HEADER_PATH,
        start_marker=START_MARKER,
        end_marker=END_MARKER)