class CharDet::EUCJPProber
Public Class Methods
new()
click to toggle source
Calls superclass method
# File lib/rchardet/eucjpprober.rb, line 31 def initialize super() @codingSM = CodingStateMachine.new(EUCJPSMModel) @distributionAnalyzer = EUCJPDistributionAnalysis.new() @contextAnalyzer = EUCJPContextAnalysis.new() reset end
Public Instance Methods
feed(aBuf)
click to toggle source
# File lib/rchardet/eucjpprober.rb, line 48 def feed(aBuf) aLen = aBuf.length for i in (0...aLen) codingState = @codingSM.next_state(aBuf[i, 1]) if codingState == EError $stderr << "#{get_charset_name} prober hit error at byte #{i}\n" if $debug @state = ENotMe break elsif codingState == EItsMe @state = EFoundIt break elsif codingState == EStart charLen = @codingSM.get_current_charlen() if i == 0 @lastChar[1] = aBuf[0, 1] @contextAnalyzer.feed(@lastChar, charLen) @distributionAnalyzer.feed(@lastChar, charLen) else @contextAnalyzer.feed(aBuf[i-1, 2], charLen) @distributionAnalyzer.feed(aBuf[i-1, 2], charLen) end end end @lastChar[0] = aBuf[aLen-1, 1] if get_state() == EDetecting if @contextAnalyzer.got_enough_data() and (get_confidence() > SHORTCUT_THRESHOLD) @state = EFoundIt end end return get_state() end
get_charset_name()
click to toggle source
# File lib/rchardet/eucjpprober.rb, line 44 def get_charset_name return "EUC-JP" end
get_confidence()
click to toggle source
# File lib/rchardet/eucjpprober.rb, line 83 def get_confidence l = [@contextAnalyzer.get_confidence,@distributionAnalyzer.get_confidence] return l.max end
reset()
click to toggle source
Calls superclass method
# File lib/rchardet/eucjpprober.rb, line 39 def reset super() @contextAnalyzer.reset() end