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CharDet::CharSetGroupProber

Attributes

_mProbers[RW]

Public Class Methods

new() click to toggle source
# File lib/tmail/vendor/rchardet-1.3/lib/rchardet/charsetgroupprober.rb, line 32
def initialize
  super
  @_mActiveNum = 0
  @_mProbers = []
  @_mBestGuessProber = nil
end

Public Instance Methods

feed(aBuf) click to toggle source
# File lib/tmail/vendor/rchardet-1.3/lib/rchardet/charsetgroupprober.rb, line 62
def feed(aBuf)
  for prober in @_mProbers
    next unless prober
    next unless prober.active
    st = prober.feed(aBuf)
    next unless st
    if st == EFoundIt
      @_mBestGuessProber = prober
      return get_state()
    elsif st == ENotMe
      prober.active = false
      @_mActiveNum -= 1
      if @_mActiveNum <= 0
        @_mState = ENotMe
        return get_state()
      end
    end
  end
  return get_state()
end
get_charset_name() click to toggle source
# File lib/tmail/vendor/rchardet-1.3/lib/rchardet/charsetgroupprober.rb, line 53
def get_charset_name
  if not @_mBestGuessProber
    get_confidence()
    return nil unless @_mBestGuessProber
    #                self._mBestGuessProber = self._mProbers[0]
  end
  return @_mBestGuessProber.get_charset_name()
end
get_confidence() click to toggle source
# File lib/tmail/vendor/rchardet-1.3/lib/rchardet/charsetgroupprober.rb, line 83
def get_confidence()
  st = get_state()
  if st == EFoundIt
    return 0.99
  elsif st == ENotMe
    return 0.01
  end
  bestConf = 0.0
  @_mBestGuessProber = nil
  for prober in @_mProbers
    next unless prober
    unless prober.active
      $stderr << "#{prober.get_charset_name()} not active\n" if $debug
      next
    end
    cf = prober.get_confidence()
    $stderr << "#{prober.get_charset_name} confidence = #{cf}\n" if $debug
    if bestConf < cf
      bestConf = cf
      @_mBestGuessProber = prober
    end
  end
  return 0.0 unless @_mBestGuessProber
  return bestConf
  #        else
  #            self._mBestGuessProber = self._mProbers[0]
  #            return self._mBestGuessProber.get_confidence()
end
reset() click to toggle source
# File lib/tmail/vendor/rchardet-1.3/lib/rchardet/charsetgroupprober.rb, line 39
def reset
  super
  @_mActiveNum = 0

  for prober in @_mProbers
    if prober
      prober.reset()
      prober.active = true
      @_mActiveNum += 1
    end
  end
  @_mBestGuessProber = nil
end

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