| # 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')) |