private void ProcessByte(byte b)
{
if (_terminal.State == ProcessCharResult.Escaping)
{
_terminal.ProcessChar((char)b);
}
else
{
if (_state == State.Normal && !IsControlChar(b) && _encoding.IsInterestingByte(b))
{
PutMBCSByte(b);
}
else
{
switch (_state)
{
case State.Normal:
if (b == 0x1B) //ESC
{
_state = State.ESC;
}
else if (b == 14) //SO
{
ChangeProcessor(_G1ByteProcessor);
}
else if (b == 15) //SI
{
ChangeProcessor(_G0ByteProcessor);
}
else
{
ConsumeByte(b);
}
break;
case State.ESC:
if (b == (byte)'$')
{
_state = State.ESC_DOLLAR;
}
else if (b == (byte)'(')
{
_state = State.ESC_BRACKET;
}
else if (b == (byte)')')
{
_state = State.ESC_ENDBRACKET;
}
else
{
ConsumeByte(0x1B);
ConsumeByte(b);
_state = State.Normal;
}
break;
case State.ESC_BRACKET:
if (b == (byte)'0')
{
_G0ByteProcessor = _DECLineByteProcessor;
}
else if (b == (byte)'B' || b == (byte)'J' || b == (byte)'~') //!!lessでssh2architecture.txtを見ていたら来た。詳細はまだ調べていない。
{
_G0ByteProcessor = null;
}
else
{
_terminal.UnsupportedCharSetDetected((char)b);
}
ChangeProcessor(_G0ByteProcessor);
break;
case State.ESC_ENDBRACKET:
if (b == (byte)'0')
{
_G1ByteProcessor = _DECLineByteProcessor;
}
else if (b == (byte)'B' || b == (byte)'J' || b == (byte)'~') //!!lessでssh2architecture.txtを見ていたら来た。詳細はまだ調べていない。
{
_G1ByteProcessor = null;
}
_state = State.Normal;
break;
case State.ESC_DOLLAR:
if (b == (byte)'B' || b == (byte)'@')
{
ChangeProcessor(_iso2022jpByteProcessor);
}
else
{
_terminal.ProcessChar((char)0x1B);
_terminal.ProcessChar('$');
_terminal.ProcessChar((char)b);
_state = State.Normal;
}
break;
default:
Debug.Assert(false, "unexpected state transition");
break;
}
}
}
}
private void ProcessByte(byte b)
{
if (_processor.State == ProcessCharResult.Escaping)
{
_processor.ProcessChar((char)b);
}
else
{
if (_state == State.Normal && !IsControlChar(b) && _encoding.IsInterestingByte(b))
{
PutMBCSByte(b);
}
else
{
switch (_state)
{
case State.Normal:
if (b == 0x1B) //ESC
{
_escseq.Reset();
_escseq.Append(b);
_state = State.ESC;
}
else if (b == 14) //SO
{
ChangeProcessor(_G1ByteProcessor);
}
else if (b == 15) //SI
{
ChangeProcessor(_G0ByteProcessor);
}
else
{
ConsumeByte(b);
}
break;
case State.ESC:
_escseq.Append(b);
if (b == (byte)'$')
{
_state = State.ESC_DOLLAR;
}
else if (b == (byte)'(')
{
_state = State.ESC_BRACKET;
}
else if (b == (byte)')')
{
_state = State.ESC_ENDBRACKET;
}
else
{
ConsumeBytes(_escseq.Buffer, _escseq.Length);
_state = State.Normal;
}
break;
case State.ESC_BRACKET:
_escseq.Append(b);
if (b == (byte)'0')
{
_G0ByteProcessor = GetDECLineByteProcessor();
ChangeProcessor(_G0ByteProcessor);
_state = State.Normal;
}
else if (b == (byte)'B' || b == (byte)'J' || b == (byte)'~') //!!lessでssh2architecture.txtを見ていたら来た。詳細はまだ調べていない。
{
_G0ByteProcessor = _asciiByteProcessor;
ChangeProcessor(_G0ByteProcessor);
_state = State.Normal;
}
else
{
_processor.UnsupportedCharSetDetected((char)b);
ConsumeBytes(_escseq.Buffer, _escseq.Length);
_state = State.Normal;
}
break;
case State.ESC_ENDBRACKET:
_escseq.Append(b);
if (b == (byte)'0')
{
_G1ByteProcessor = GetDECLineByteProcessor();
_state = State.Normal;
}
else if (b == (byte)'B' || b == (byte)'J' || b == (byte)'~') //!!lessでssh2architecture.txtを見ていたら来た。詳細はまだ調べていない。
{
_G1ByteProcessor = _asciiByteProcessor;
_state = State.Normal;
}
else
{
ConsumeBytes(_escseq.Buffer, _escseq.Length);
_state = State.Normal;
}
break;
case State.ESC_DOLLAR:
_escseq.Append(b);
if (b == (byte)'(')
{
_state = State.ESC_DOLLAR_BRACKET;
}
else if (b == (byte)')')
{
_state = State.ESC_DOLLAR_ENDBRACKET;
}
else if (b == (byte)'B' || b == (byte)'@')
{
_G0ByteProcessor = GetISO2022JPByteProcessor();
ChangeProcessor(_G0ByteProcessor);
_state = State.Normal;
}
else
{
_processor.UnsupportedCharSetDetected((char)b);
ConsumeBytes(_escseq.Buffer, _escseq.Length);
_state = State.Normal;
}
break;
case State.ESC_DOLLAR_BRACKET:
_escseq.Append(b);
if (b == (byte)'C')
{
_G0ByteProcessor = GetISO2022KRByteProcessor();
ChangeProcessor(_G0ByteProcessor);
_state = State.Normal;
}
else if (b == (byte)'D')
{
_G0ByteProcessor = GetISO2022JPByteProcessor();
ChangeProcessor(_G0ByteProcessor);
_state = State.Normal;
}
else if (b == (byte)'I')
{
_G0ByteProcessor = GetISO2022JPKanaByteProcessor();
ChangeProcessor(_G0ByteProcessor);
_state = State.Normal;
}
else
{
_processor.UnsupportedCharSetDetected((char)b);
ConsumeBytes(_escseq.Buffer, _escseq.Length);
_state = State.Normal;
}
break;
case State.ESC_DOLLAR_ENDBRACKET:
_escseq.Append(b);
if (b == (byte)'C')
{
_G1ByteProcessor = GetISO2022KRByteProcessor();
_state = State.Normal;
}
else
{
ConsumeBytes(_escseq.Buffer, _escseq.Length);
_state = State.Normal;
}
break;
default:
Debug.Assert(false, "unexpected state transition");
break;
}
}
}
}
