| ######################## BEGIN LICENSE BLOCK ######################## |
| # The Original Code is Mozilla Universal charset detector code. |
| # |
| # The Initial Developer of the Original Code is |
| # Netscape Communications Corporation. |
| # Portions created by the Initial Developer are Copyright (C) 2001 |
| # the Initial Developer. All Rights Reserved. |
| # |
| # Contributor(s): |
| # Mark Pilgrim - port to Python |
| # Shy Shalom - original C code |
| # |
| # This library is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU Lesser General Public |
| # License as published by the Free Software Foundation; either |
| # version 2.1 of the License, or (at your option) any later version. |
| # |
| # This library is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # Lesser General Public License for more details. |
| # |
| # You should have received a copy of the GNU Lesser General Public |
| # License along with this library; if not, write to the Free Software |
| # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| # 02110-1301 USA |
| ######################### END LICENSE BLOCK ######################### |
| |
| from . import constants |
| import re |
| |
| |
| class CharSetProber: |
| def __init__(self): |
| pass |
| |
| def reset(self): |
| self._mState = constants.eDetecting |
| |
| def get_charset_name(self): |
| return None |
| |
| def feed(self, aBuf): |
| pass |
| |
| def get_state(self): |
| return self._mState |
| |
| def get_confidence(self): |
| return 0.0 |
| |
| def filter_high_bit_only(self, aBuf): |
| aBuf = re.sub(b'([\x00-\x7F])+', b' ', aBuf) |
| return aBuf |
| |
| def filter_without_english_letters(self, aBuf): |
| aBuf = re.sub(b'([A-Za-z])+', b' ', aBuf) |
| return aBuf |
| |
| def filter_with_english_letters(self, aBuf): |
| # TODO |
| return aBuf |
