# File lib/tmail/vendor/rchardet-1.3/lib/rchardet/latin1prober.rb, line 110 def feed(aBuf) aBuf = filter_with_english_letters(aBuf) aBuf.each_byte do |b| c = b.chr charClass = Latin1_CharToClass[c[0]] freq = Latin1ClassModel[(@_mLastCharClass * CLASS_NUM) + charClass] if freq == 0 @_mState = ENotMe break end @_mFreqCounter[freq] += 1 @_mLastCharClass = charClass end return get_state() end
# File lib/tmail/vendor/rchardet-1.3/lib/rchardet/latin1prober.rb, line 106 def get_charset_name return "windows-1252" end
# File lib/tmail/vendor/rchardet-1.3/lib/rchardet/latin1prober.rb, line 127 def get_confidence if get_state() == ENotMe return 0.01 end total = @_mFreqCounter.inject{|a,b| a+b} if total < 0.01 confidence = 0.0 else confidence = (@_mFreqCounter[3] / total) - (@_mFreqCounter[1] * 20.0 / total) end if confidence < 0.0 confidence = 0.0 end # lower the confidence of latin1 so that other more accurate detector # can take priority. confidence = confidence * 0.5 return confidence end
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