diff -r 000000000000 -r de9c2efb9d02 ThirdParty/CharDet/chardet/mbcharsetprober.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ThirdParty/CharDet/chardet/mbcharsetprober.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,82 @@
+######################## 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
+# Proofpoint, Inc.
+#
+# 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 constants, sys
+from constants import eStart, eError, eItsMe
+from charsetprober import CharSetProber
+
+class MultiByteCharSetProber(CharSetProber):
+ def __init__(self):
+ CharSetProber.__init__(self)
+ self._mDistributionAnalyzer = None
+ self._mCodingSM = None
+ self._mLastChar = ['\x00', '\x00']
+
+ def reset(self):
+ CharSetProber.reset(self)
+ if self._mCodingSM:
+ self._mCodingSM.reset()
+ if self._mDistributionAnalyzer:
+ self._mDistributionAnalyzer.reset()
+ self._mLastChar = ['\x00', '\x00']
+
+ def get_charset_name(self):
+ pass
+
+ def feed(self, aBuf):
+ aLen = len(aBuf)
+ for i in range(0, aLen):
+ codingState = self._mCodingSM.next_state(aBuf[i])
+ if codingState == 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 == eItsMe:
+ self._mState = constants.eFoundIt
+ break
+ elif codingState == eStart:
+ charLen = self._mCodingSM.get_current_charlen()
+ if i == 0:
+ self._mLastChar[1] = aBuf[0]
+ self._mDistributionAnalyzer.feed(self._mLastChar, charLen)
+ else:
+ self._mDistributionAnalyzer.feed(aBuf[i-1:i+1], charLen)
+
+ self._mLastChar[0] = aBuf[aLen - 1]
+
+ if self.get_state() == constants.eDetecting:
+ if self._mDistributionAnalyzer.got_enough_data() and \
+ (self.get_confidence() > constants.SHORTCUT_THRESHOLD):
+ self._mState = constants.eFoundIt
+
+ return self.get_state()
+
+ def get_confidence(self):
+ return self._mDistributionAnalyzer.get_confidence()
