diff options
Diffstat (limited to 'venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sjisprober.py')
| -rw-r--r-- | venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sjisprober.py | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sjisprober.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sjisprober.py deleted file mode 100644 index 9e29623..0000000 --- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sjisprober.py +++ /dev/null @@ -1,92 +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 ######################### - -from .mbcharsetprober import MultiByteCharSetProber -from .codingstatemachine import CodingStateMachine -from .chardistribution import SJISDistributionAnalysis -from .jpcntx import SJISContextAnalysis -from .mbcssm import SJIS_SM_MODEL -from .enums import ProbingState, MachineState - - -class SJISProber(MultiByteCharSetProber): - def __init__(self): - super(SJISProber, self).__init__() - self.coding_sm = CodingStateMachine(SJIS_SM_MODEL) - self.distribution_analyzer = SJISDistributionAnalysis() - self.context_analyzer = SJISContextAnalysis() - self.reset() - - def reset(self): - super(SJISProber, self).reset() - self.context_analyzer.reset() - - @property - def charset_name(self): - return self.context_analyzer.charset_name - - @property - def language(self): - return "Japanese" - - 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.context_analyzer.feed(self._last_char[2 - char_len:], - char_len) - self.distribution_analyzer.feed(self._last_char, char_len) - else: - self.context_analyzer.feed(byte_str[i + 1 - char_len:i + 3 - - char_len], 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 - - return self.state - - def get_confidence(self): - context_conf = self.context_analyzer.get_confidence() - distrib_conf = self.distribution_analyzer.get_confidence() - return max(context_conf, distrib_conf) |