### Home Classes Methods

### In Files

- lib/tmail/vendor/rchardet-1.3/lib/rchardet/mbcharsetprober.rb

### Parent

CharDet::CharSetProber

### Methods

- ::new
- #feed
- #get_charset_name
- #get_confidence
- #reset

### Files

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# CharDet::MultiByteCharSetProber

### Public Class Methods

new() click to toggle source

    # File lib/tmail/vendor/rchardet-1.3/lib/rchardet/mbcharsetprober.rb, line 33
    def initialize
      super
      @_mDistributionAnalyzer = nil
      @_mCodingSM = nil
      @_mLastChar = "\x00\x00"
    end

### Public Instance Methods

feed(aBuf) click to toggle source

    # File lib/tmail/vendor/rchardet-1.3/lib/rchardet/mbcharsetprober.rb, line 54
    def feed(aBuf)
      aLen = aBuf.length
      for i in (0...aLen)
        codingState = @_mCodingSM.next_state(aBuf[i..i])
        if codingState == EError
          $stderr << "#{get_charset_name} prober hit error at byte #{i}\n" if $debug
          @_mState = ENotMe
          break
        elsif codingState == EItsMe
          @_mState = EFoundIt
          break
        elsif codingState == EStart
          charLen = @_mCodingSM.get_current_charlen()
          if i == 0
            @_mLastChar[1] = aBuf[0..0]
            @_mDistributionAnalyzer.feed(@_mLastChar, charLen)
          else
            @_mDistributionAnalyzer.feed(aBuf[i-1...i+1], charLen)
          end
        end
      end
      @_mLastChar[0] = aBuf[aLen-1..aLen-1]

      if get_state() == EDetecting
        if @_mDistributionAnalyzer.got_enough_data() and (get_confidence() > SHORTCUT_THRESHOLD)
          @_mState = EFoundIt
        end
      end
      return get_state()
    end

get_charset_name() click to toggle source

    # File lib/tmail/vendor/rchardet-1.3/lib/rchardet/mbcharsetprober.rb, line 51
    def get_charset_name
    end

get_confidence() click to toggle source

    # File lib/tmail/vendor/rchardet-1.3/lib/rchardet/mbcharsetprober.rb, line 85
    def get_confidence
      return @_mDistributionAnalyzer.get_confidence()
    end

reset() click to toggle source

    # File lib/tmail/vendor/rchardet-1.3/lib/rchardet/mbcharsetprober.rb, line 40
    def reset
      super
      if @_mCodingSM
        @_mCodingSM.reset()
      end
      if @_mDistributionAnalyzer
        @_mDistributionAnalyzer.reset()
      end
      @_mLastChar = "\x00\x00"
    end

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