本文整理汇总了Python中codingstatemachine.CodingStateMachine.get_current_charlen方法的典型用法代码示例。如果您正苦于以下问题：Python CodingStateMachine.get_current_charlen方法的具体用法？Python CodingStateMachine.get_current_charlen怎么用？Python CodingStateMachine.get_current_charlen使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类codingstatemachine.CodingStateMachine的用法示例。
在下文中一共展示了CodingStateMachine.get_current_charlen方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: SJISProber
# 需要导入模块: from codingstatemachine import CodingStateMachine [as 别名]
# 或者: from codingstatemachine.CodingStateMachine import get_current_charlen [as 别名]
class SJISProber(MultiByteCharSetProber):
def __init__(self):
MultiByteCharSetProber.__init__(self)
self._mCodingSM = CodingStateMachine(SJISSMModel)
self._mDistributionAnalyzer = SJISDistributionAnalysis()
self._mContextAnalyzer = SJISContextAnalysis()
self.reset()
def reset(self):
MultiByteCharSetProber.reset(self)
self._mContextAnalyzer.reset()
def get_charset_name(self):
return "SHIFT_JIS"
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._mContextAnalyzer.feed(self._mLastChar[2 - charLen :], charLen)
self._mDistributionAnalyzer.feed(self._mLastChar, charLen)
else:
self._mContextAnalyzer.feed(aBuf[i + 1 - charLen : i + 3 - charLen], charLen)
self._mDistributionAnalyzer.feed(aBuf[i - 1 : i + 1], charLen)
self._mLastChar[0] = aBuf[aLen - 1]
if self.get_state() == constants.eDetecting:
if self._mContextAnalyzer.got_enough_data() and \
(self.get_confidence() > constants.SHORTCUT_THRESHOLD):
self._mState = constants.eFoundIt
return self.get_state()
def get_confidence(self):
contxtCf = self._mContextAnalyzer.get_confidence()
distribCf = self._mDistributionAnalyzer.get_confidence()
return max(contxtCf, distribCf)示例2: UTF8Prober
# 需要导入模块: from codingstatemachine import CodingStateMachine [as 别名]
# 或者: from codingstatemachine.CodingStateMachine import get_current_charlen [as 别名]
class UTF8Prober(CharSetProber):
def __init__(self):
CharSetProber.__init__(self)
self._mCodingSM = CodingStateMachine(UTF8SMModel)
self.reset()
def reset(self):
CharSetProber.reset(self)
self._mCodingSM.reset()
self._mNumOfMBChar = 0
def get_charset_name(self):
return "utf-8"
def feed(self, aBuf):
for c in aBuf:
codingState = self._mCodingSM.next_state(c)
if codingState == eError:
self._mState = constants.eNotMe
break
elif codingState == eItsMe:
self._mState = constants.eFoundIt
break
elif codingState == eStart:
if self._mCodingSM.get_current_charlen() >= 2:
self._mNumOfMBChar += 1
if self.get_state() == constants.eDetecting:
if self.get_confidence() > constants.SHORTCUT_THRESHOLD:
self._mState = constants.eFoundIt
return self.get_state()
def get_confidence(self):
unlike = 0.99
if self._mNumOfMBChar < 6:
for i in range(0, self._mNumOfMBChar):
unlike = unlike * ONE_CHAR_PROB
return 1.0 - unlike
else:
return unlike