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-rw-r--r--game/python-extra/chardet/mbcharsetprober.py91
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diff --git a/game/python-extra/chardet/mbcharsetprober.py b/game/python-extra/chardet/mbcharsetprober.py
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+######################## 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 #########################
+
+from .charsetprober import CharSetProber
+from .enums import ProbingState, MachineState
+
+
+class MultiByteCharSetProber(CharSetProber):
+ """
+ MultiByteCharSetProber
+ """
+
+ def __init__(self, lang_filter=None):
+ super(MultiByteCharSetProber, self).__init__(lang_filter=lang_filter)
+ self.distribution_analyzer = None
+ self.coding_sm = None
+ self._last_char = [0, 0]
+
+ def reset(self):
+ super(MultiByteCharSetProber, self).reset()
+ if self.coding_sm:
+ self.coding_sm.reset()
+ if self.distribution_analyzer:
+ self.distribution_analyzer.reset()
+ self._last_char = [0, 0]
+
+ @property
+ def charset_name(self):
+ raise NotImplementedError
+
+ @property
+ def language(self):
+ raise NotImplementedError
+
+ def feed(self, byte_str):
+ for i in range(len(byte_str)):
+ coding_state = self.coding_sm.next_state(byte_str[i])
+ if coding_state == MachineState.ERROR:
+ self.logger.debug('%s %s prober hit error at byte %s',
+ self.charset_name, self.language, i)
+ self._state = ProbingState.NOT_ME
+ break
+ elif coding_state == MachineState.ITS_ME:
+ self._state = ProbingState.FOUND_IT
+ break
+ elif coding_state == MachineState.START:
+ char_len = self.coding_sm.get_current_charlen()
+ if i == 0:
+ self._last_char[1] = byte_str[0]
+ self.distribution_analyzer.feed(self._last_char, char_len)
+ else:
+ self.distribution_analyzer.feed(byte_str[i - 1:i + 1],
+ char_len)
+
+ self._last_char[0] = byte_str[-1]
+
+ if self.state == ProbingState.DETECTING:
+ if (self.distribution_analyzer.got_enough_data() and
+ (self.get_confidence() > self.SHORTCUT_THRESHOLD)):
+ self._state = ProbingState.FOUND_IT
+
+ return self.state
+
+ def get_confidence(self):
+ return self.distribution_analyzer.get_confidence()