mirror of
https://github.com/microsoft/PowerToys.git
synced 2024-12-15 20:19:17 +08:00
107 lines
3.7 KiB
Python
107 lines
3.7 KiB
Python
######################## BEGIN LICENSE BLOCK ########################
|
|
# The Original Code is Mozilla Communicator client 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 . import constants
|
|
import sys
|
|
from .charsetprober import CharSetProber
|
|
|
|
|
|
class CharSetGroupProber(CharSetProber):
|
|
def __init__(self):
|
|
CharSetProber.__init__(self)
|
|
self._mActiveNum = 0
|
|
self._mProbers = []
|
|
self._mBestGuessProber = None
|
|
|
|
def reset(self):
|
|
CharSetProber.reset(self)
|
|
self._mActiveNum = 0
|
|
for prober in self._mProbers:
|
|
if prober:
|
|
prober.reset()
|
|
prober.active = True
|
|
self._mActiveNum += 1
|
|
self._mBestGuessProber = None
|
|
|
|
def get_charset_name(self):
|
|
if not self._mBestGuessProber:
|
|
self.get_confidence()
|
|
if not self._mBestGuessProber:
|
|
return None
|
|
# self._mBestGuessProber = self._mProbers[0]
|
|
return self._mBestGuessProber.get_charset_name()
|
|
|
|
def feed(self, aBuf):
|
|
for prober in self._mProbers:
|
|
if not prober:
|
|
continue
|
|
if not prober.active:
|
|
continue
|
|
st = prober.feed(aBuf)
|
|
if not st:
|
|
continue
|
|
if st == constants.eFoundIt:
|
|
self._mBestGuessProber = prober
|
|
return self.get_state()
|
|
elif st == constants.eNotMe:
|
|
prober.active = False
|
|
self._mActiveNum -= 1
|
|
if self._mActiveNum <= 0:
|
|
self._mState = constants.eNotMe
|
|
return self.get_state()
|
|
return self.get_state()
|
|
|
|
def get_confidence(self):
|
|
st = self.get_state()
|
|
if st == constants.eFoundIt:
|
|
return 0.99
|
|
elif st == constants.eNotMe:
|
|
return 0.01
|
|
bestConf = 0.0
|
|
self._mBestGuessProber = None
|
|
for prober in self._mProbers:
|
|
if not prober:
|
|
continue
|
|
if not prober.active:
|
|
if constants._debug:
|
|
sys.stderr.write(prober.get_charset_name()
|
|
+ ' not active\n')
|
|
continue
|
|
cf = prober.get_confidence()
|
|
if constants._debug:
|
|
sys.stderr.write('%s confidence = %s\n' %
|
|
(prober.get_charset_name(), cf))
|
|
if bestConf < cf:
|
|
bestConf = cf
|
|
self._mBestGuessProber = prober
|
|
if not self._mBestGuessProber:
|
|
return 0.0
|
|
return bestConf
|
|
# else:
|
|
# self._mBestGuessProber = self._mProbers[0]
|
|
# return self._mBestGuessProber.get_confidence()
|