######################## 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