| # Copyright (C) 2011 Apple Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # 1. Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # 2. Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # |
| # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
| # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR |
| # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| """Checks WebKit style for JSON files.""" |
| |
| import json |
| import re |
| |
| |
| class JSONChecker(object): |
| """Processes JSON lines for checking style.""" |
| |
| categories = set(('json/syntax',)) |
| |
| def __init__(self, _, handle_style_error): |
| self._handle_style_error = handle_style_error |
| self._handle_style_error.turn_off_line_filtering() |
| |
| def check(self, lines): |
| try: |
| json.loads('\n'.join(lines) + '\n') |
| except ValueError as error: |
| self._handle_style_error( |
| self.line_number_from_json_exception(error), |
| 'json/syntax', 5, str(error)) |
| |
| @staticmethod |
| def line_number_from_json_exception(error): |
| match = re.search(r': line (?P<line>\d+) column \d+', str(error)) |
| if not match: |
| return 0 |
| return int(match.group('line')) |
