Mercurial > repos > bcclaywell > argo_navis

comparison venv/lib/python2.7/site-packages/requests/packages/chardet/escprober.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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-1:000000000000 0:d67268158946
1 ######################## BEGIN LICENSE BLOCK ########################
2 # The Original Code is mozilla.org code.
3 #
4 # The Initial Developer of the Original Code is
5 # Netscape Communications Corporation.
6 # Portions created by the Initial Developer are Copyright (C) 1998
7 # the Initial Developer. All Rights Reserved.
8 #
9 # Contributor(s):
10 # Mark Pilgrim - port to Python
11 #
12 # This library is free software; you can redistribute it and/or
13 # modify it under the terms of the GNU Lesser General Public
14 # License as published by the Free Software Foundation; either
15 # version 2.1 of the License, or (at your option) any later version.
16 #
17 # This library is distributed in the hope that it will be useful,
18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 # Lesser General Public License for more details.
21 #
22 # You should have received a copy of the GNU Lesser General Public
23 # License along with this library; if not, write to the Free Software
24 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
25 # 02110-1301 USA
26 ######################### END LICENSE BLOCK #########################
27
28 from . import constants
29 from .escsm import (HZSMModel, ISO2022CNSMModel, ISO2022JPSMModel,
30 ISO2022KRSMModel)
31 from .charsetprober import CharSetProber
32 from .codingstatemachine import CodingStateMachine
33 from .compat import wrap_ord
34
35
36 class EscCharSetProber(CharSetProber):
37 def __init__(self):
38 CharSetProber.__init__(self)
39 self._mCodingSM = [
40 CodingStateMachine(HZSMModel),
41 CodingStateMachine(ISO2022CNSMModel),
42 CodingStateMachine(ISO2022JPSMModel),
43 CodingStateMachine(ISO2022KRSMModel)
44 ]
45 self.reset()
46
47 def reset(self):
48 CharSetProber.reset(self)
49 for codingSM in self._mCodingSM:
50 if not codingSM:
51 continue
52 codingSM.active = True
53 codingSM.reset()
54 self._mActiveSM = len(self._mCodingSM)
55 self._mDetectedCharset = None
56
57 def get_charset_name(self):
58 return self._mDetectedCharset
59
60 def get_confidence(self):
61 if self._mDetectedCharset:
62 return 0.99
63 else:
64 return 0.00
65
66 def feed(self, aBuf):
67 for c in aBuf:
68 # PY3K: aBuf is a byte array, so c is an int, not a byte
69 for codingSM in self._mCodingSM:
70 if not codingSM:
71 continue
72 if not codingSM.active:
73 continue
74 codingState = codingSM.next_state(wrap_ord(c))
75 if codingState == constants.eError:
76 codingSM.active = False
77 self._mActiveSM -= 1
78 if self._mActiveSM <= 0:
79 self._mState = constants.eNotMe
80 return self.get_state()
81 elif codingState == constants.eItsMe:
82 self._mState = constants.eFoundIt
83 self._mDetectedCharset = codingSM.get_coding_state_machine() # nopep8
84 return self.get_state()
85
86 return self.get_state()