1 ######################## BEGIN LICENSE BLOCK ########################
2 # The Original Code is Mozilla Universal charset detector code.
4 # The Initial Developer of the Original Code is
5 # Netscape Communications Corporation.
6 # Portions created by the Initial Developer are Copyright (C) 2001
7 # the Initial Developer. All Rights Reserved.
10 # Mark Pilgrim - port to Python
11 # Shy Shalom - original C code
13 # This library is free software; you can redistribute it and/or
14 # modify it under the terms of the GNU Lesser General Public
15 # License as published by the Free Software Foundation; either
16 # version 2.1 of the License, or (at your option) any later version.
18 # This library is distributed in the hope that it will be useful,
19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 # Lesser General Public License for more details.
23 # You should have received a copy of the GNU Lesser General Public
24 # License along with this library; if not, write to the Free Software
25 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
27 ######################### END LICENSE BLOCK #########################
29 from . import constants
38 self._mState = constants.eDetecting
40 def get_charset_name(self):
49 def get_confidence(self):
52 def filter_high_bit_only(self, aBuf):
53 aBuf = re.sub(b'([\x00-\x7F])+', b' ', aBuf)
56 def filter_without_english_letters(self, aBuf):
57 aBuf = re.sub(b'([A-Za-z])+', b' ', aBuf)
60 def filter_with_english_letters(self, aBuf):