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]
@_mContextAnalyzer.feed(@_mLastChar, charLen)
@_mDistributionAnalyzer.feed(@_mLastChar, charLen)
else
@_mContextAnalyzer.feed(aBuf[i-1...i+1], charLen)
@_mDistributionAnalyzer.feed(aBuf[i-1...i+1], charLen)
end
end
end
@_mLastChar[0] = aBuf[aLen-1..aLen-1]
if get_state() == EDetecting
if @_mContextAnalyzer.got_enough_data() and (get_confidence() > SHORTCUT_THRESHOLD)
@_mState = EFoundIt
end
end
return get_state()
end