| Index: swarm_client/third_party/requests/packages/charade/sjisprober.py
|
| ===================================================================
|
| --- swarm_client/third_party/requests/packages/charade/sjisprober.py (revision 235167)
|
| +++ swarm_client/third_party/requests/packages/charade/sjisprober.py (working copy)
|
| @@ -1,91 +0,0 @@
|
| -######################## BEGIN LICENSE BLOCK ########################
|
| -# The Original Code is mozilla.org code.
|
| -#
|
| -# The Initial Developer of the Original Code is
|
| -# Netscape Communications Corporation.
|
| -# Portions created by the Initial Developer are Copyright (C) 1998
|
| -# the Initial Developer. All Rights Reserved.
|
| -#
|
| -# Contributor(s):
|
| -# Mark Pilgrim - port to Python
|
| -#
|
| -# 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 #########################
|
| -
|
| -import sys
|
| -from .mbcharsetprober import MultiByteCharSetProber
|
| -from .codingstatemachine import CodingStateMachine
|
| -from .chardistribution import SJISDistributionAnalysis
|
| -from .jpcntx import SJISContextAnalysis
|
| -from .mbcssm import SJISSMModel
|
| -from . import constants
|
| -
|
| -
|
| -class SJISProber(MultiByteCharSetProber):
|
| - def __init__(self):
|
| - MultiByteCharSetProber.__init__(self)
|
| - self._mCodingSM = CodingStateMachine(SJISSMModel)
|
| - self._mDistributionAnalyzer = SJISDistributionAnalysis()
|
| - self._mContextAnalyzer = SJISContextAnalysis()
|
| - self.reset()
|
| -
|
| - def reset(self):
|
| - MultiByteCharSetProber.reset(self)
|
| - self._mContextAnalyzer.reset()
|
| -
|
| - def get_charset_name(self):
|
| - return "SHIFT_JIS"
|
| -
|
| - def feed(self, aBuf):
|
| - aLen = len(aBuf)
|
| - for i in range(0, aLen):
|
| - codingState = self._mCodingSM.next_state(aBuf[i])
|
| - if codingState == constants.eError:
|
| - if constants._debug:
|
| - sys.stderr.write(self.get_charset_name()
|
| - + ' prober hit error at byte ' + str(i)
|
| - + '\n')
|
| - self._mState = constants.eNotMe
|
| - break
|
| - elif codingState == constants.eItsMe:
|
| - self._mState = constants.eFoundIt
|
| - break
|
| - elif codingState == constants.eStart:
|
| - charLen = self._mCodingSM.get_current_charlen()
|
| - if i == 0:
|
| - self._mLastChar[1] = aBuf[0]
|
| - self._mContextAnalyzer.feed(self._mLastChar[2 - charLen:],
|
| - charLen)
|
| - self._mDistributionAnalyzer.feed(self._mLastChar, charLen)
|
| - else:
|
| - self._mContextAnalyzer.feed(aBuf[i + 1 - charLen:i + 3
|
| - - charLen], charLen)
|
| - self._mDistributionAnalyzer.feed(aBuf[i - 1:i + 1],
|
| - charLen)
|
| -
|
| - self._mLastChar[0] = aBuf[aLen - 1]
|
| -
|
| - if self.get_state() == constants.eDetecting:
|
| - if (self._mContextAnalyzer.got_enough_data() and
|
| - (self.get_confidence() > constants.SHORTCUT_THRESHOLD)):
|
| - self._mState = constants.eFoundIt
|
| -
|
| - return self.get_state()
|
| -
|
| - def get_confidence(self):
|
| - contxtCf = self._mContextAnalyzer.get_confidence()
|
| - distribCf = self._mDistributionAnalyzer.get_confidence()
|
| - return max(contxtCf, distribCf)
|
|
|