######################## 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 #########################
from typing import Union
from .chardistribution import EUCJPDistributionAnalysis from .codingstatemachine import CodingStateMachine from .enums import MachineState, ProbingState from .jpcntx import EUCJPContextAnalysis from .mbcharsetprober import MultiByteCharSetProber from .mbcssm import EUCJP_SM_MODEL
for i, byte in enumerate(byte_str): # PY3K: byte_str is a byte array, so byte is an int, not a byte
coding_state = self.coding_sm.next_state(byte) 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 if coding_state == MachineState.ITS_ME:
self._state = ProbingState.FOUND_IT break if coding_state == MachineState.START:
char_len = self.coding_sm.get_current_charlen() if i == 0:
self._last_char[1] = byte
self.context_analyzer.feed(self._last_char, char_len)
self.distribution_analyzer.feed(self._last_char, char_len) else:
self.context_analyzer.feed(byte_str[i - 1 : i + 1], char_len)
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.context_analyzer.got_enough_data() and (
self.get_confidence() > self.SHORTCUT_THRESHOLD
):
self._state = ProbingState.FOUND_IT
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