public Decoder(Terminal terminal, Action <byte> responseCallback, IDecoderLogger logger)
{
this.terminal = terminal;
this.responseCallback = responseCallback;
this.logger = logger;
commands = new Dictionary <char, Action>();
graphicRendition = new GraphicRendition(this);
savedGraphicRendition = graphicRendition.Clone();
InitializeCommands();
cursor = new Cursor(this);
CharReceivedBlinkDisabledRounds = 1;
}
protected override void ProcessCommand(byte _command, String _parameter)
{
//System.Console.WriteLine ( "ProcessCommand: {0} {1}", (char) _command, _parameter );
switch ((char)_command)
{
case 'A':
OnMoveCursor(Direction.Up, DecodeInt(_parameter, 1));
break;
case 'B':
OnMoveCursor(Direction.Down, DecodeInt(_parameter, 1));
break;
case 'C':
OnMoveCursor(Direction.Forward, DecodeInt(_parameter, 1));
break;
case 'D':
OnMoveCursor(Direction.Backward, DecodeInt(_parameter, 1));
break;
case 'E':
OnMoveCursorToBeginningOfLineBelow(DecodeInt(_parameter, 1));
break;
case 'F':
OnMoveCursorToBeginningOfLineAbove(DecodeInt(_parameter, 1));
break;
case 'G':
OnMoveCursorToColumn(DecodeInt(_parameter, 1) - 1);
break;
case 'H':
case 'f':
{
int separator = _parameter.IndexOf(';');
if (separator == -1)
{
OnMoveCursorTo(new Point(0, 0));
}
else
{
String row = _parameter.Substring(0, separator);
String column = _parameter.Substring(separator + 1, _parameter.Length - separator - 1);
OnMoveCursorTo(new Point(DecodeInt(column, 1) - 1, DecodeInt(row, 1) - 1));
}
}
break;
case 'J':
OnClearScreen((ClearDirection)DecodeInt(_parameter, 0));
break;
case 'K':
OnClearLine((ClearDirection)DecodeInt(_parameter, 0));
break;
case 'S':
OnScrollPageUpwards(DecodeInt(_parameter, 1));
break;
case 'T':
OnScrollPageDownwards(DecodeInt(_parameter, 1));
break;
case 'm':
{
String[] commands = _parameter.Split(';');
GraphicRendition[] renditionCommands = new GraphicRendition[commands.Length];
for (int i = 0; i < commands.Length; ++i)
{
renditionCommands[i] = (GraphicRendition)DecodeInt(commands[i], 0);
//System.Console.WriteLine ( "Rendition command: {0} = {1}", commands[i], renditionCommands[i]);
}
OnSetGraphicRendition(renditionCommands);
}
break;
case 'n':
if (_parameter == "6")
{
Point cursorPosition = OnGetCursorPosition();
cursorPosition.X++;
cursorPosition.Y++;
String row = cursorPosition.Y.ToString();
String column = cursorPosition.X.ToString();
byte[] output = new byte[2 + row.Length + 1 + column.Length + 1];
int i = 0;
output[i++] = EscapeCharacter;
output[i++] = LeftBracketCharacter;
foreach (char c in row)
{
output[i++] = (byte)c;
}
output[i++] = (byte)';';
foreach (char c in column)
{
output[i++] = (byte)c;
}
output[i++] = (byte)'R';
OnOutput(output);
}
break;
case 's':
OnSaveCursor();
break;
case 'u':
OnRestoreCursor();
break;
case 'l':
switch (_parameter)
{
case "20":
// Set line feed mode
OnModeChanged(AnsiMode.LineFeed);
break;
case "?1":
// Set cursor key to cursor DECCKM
OnModeChanged(AnsiMode.CursorKeyToCursor);
break;
case "?2":
// Set ANSI (versus VT52) DECANM
OnModeChanged(AnsiMode.VT52);
break;
case "?3":
// Set number of columns to 80 DECCOLM
OnModeChanged(AnsiMode.Columns80);
break;
case "?4":
// Set jump scrolling DECSCLM
OnModeChanged(AnsiMode.JumpScrolling);
break;
case "?5":
// Set normal video on screen DECSCNM
OnModeChanged(AnsiMode.NormalVideo);
break;
case "?6":
// Set origin to absolute DECOM
OnModeChanged(AnsiMode.OriginIsAbsolute);
break;
case "?7":
// Reset auto-wrap mode DECAWM
// Disable line wrap
OnModeChanged(AnsiMode.DisableLineWrap);
break;
case "?8":
// Reset auto-repeat mode DECARM
OnModeChanged(AnsiMode.DisableAutoRepeat);
break;
case "?9":
// Reset interlacing mode DECINLM
OnModeChanged(AnsiMode.DisableInterlacing);
break;
case "?25":
OnModeChanged(AnsiMode.HideCursor);
break;
default:
throw new InvalidParameterException(_command, _parameter);
}
break;
case 'h':
switch (_parameter)
{
case "":
//Set ANSI (versus VT52) DECANM
OnModeChanged(AnsiMode.ANSI);
break;
case "20":
// Set new line mode
OnModeChanged(AnsiMode.NewLine);
break;
case "?1":
// Set cursor key to application DECCKM
OnModeChanged(AnsiMode.CursorKeyToApplication);
break;
case "?3":
// Set number of columns to 132 DECCOLM
OnModeChanged(AnsiMode.Columns132);
break;
case "?4":
// Set smooth scrolling DECSCLM
OnModeChanged(AnsiMode.SmoothScrolling);
break;
case "?5":
// Set reverse video on screen DECSCNM
OnModeChanged(AnsiMode.ReverseVideo);
break;
case "?6":
// Set origin to relative DECOM
OnModeChanged(AnsiMode.OriginIsRelative);
break;
case "?7":
// Set auto-wrap mode DECAWM
// Enable line wrap
OnModeChanged(AnsiMode.LineWrap);
break;
case "?8":
// Set auto-repeat mode DECARM
OnModeChanged(AnsiMode.AutoRepeat);
break;
case "?9":
/// Set interlacing mode
OnModeChanged(AnsiMode.Interlacing);
break;
case "?25":
OnModeChanged(AnsiMode.ShowCursor);
break;
default:
throw new InvalidParameterException(_command, _parameter);
}
break;
case '>':
// Set numeric keypad mode
OnModeChanged(AnsiMode.NumericKeypad);
break;
case '=':
OnModeChanged(AnsiMode.AlternateKeypad);
// Set alternate keypad mode (rto: non-numeric, presumably)
break;
default:
throw new InvalidCommandException(_command, _parameter);
}
}
protected override void ProcessCommand( byte _command, String _parameter )
{
//System.Console.WriteLine ( "ProcessCommand: {0} {1}", (char) _command, _parameter );
switch ( (char) _command )
{
case 'A':
OnMoveCursor( Direction.Up, DecodeInt( _parameter, 1 ) );
break;
case 'B':
OnMoveCursor( Direction.Down, DecodeInt( _parameter, 1 ) );
break;
case 'C':
OnMoveCursor( Direction.Forward, DecodeInt( _parameter, 1 ) );
break;
case 'D':
OnMoveCursor( Direction.Backward, DecodeInt( _parameter, 1 ) );
break;
case 'E':
OnMoveCursorToBeginningOfLineBelow( DecodeInt( _parameter, 1 ) );
break;
case 'F':
OnMoveCursorToBeginningOfLineAbove( DecodeInt( _parameter, 1 ) );
break;
case 'G':
OnMoveCursorToColumn( DecodeInt( _parameter, 1 ) - 1 );
break;
case 'H':
case 'f':
{
int separator = _parameter.IndexOf( ';' );
if ( separator == -1 )
{
OnMoveCursorTo( new Point( 0, 0 ) );
}
else
{
String row = _parameter.Substring( 0, separator );
String column = _parameter.Substring( separator + 1, _parameter.Length - separator - 1 );
OnMoveCursorTo( new Point( DecodeInt( column, 1 ) - 1, DecodeInt( row, 1 ) - 1 ) );
}
}
break;
case 'J':
OnClearScreen( (ClearDirection) DecodeInt( _parameter, 0 ) );
break;
case 'K':
OnClearLine( (ClearDirection) DecodeInt( _parameter, 0 ) );
break;
case 'S':
OnScrollPageUpwards( DecodeInt( _parameter, 1 ) );
break;
case 'T':
OnScrollPageDownwards( DecodeInt( _parameter, 1 ) );
break;
case 'm':
{
String[] commands = _parameter.Split( ';' );
GraphicRendition[] renditionCommands = new GraphicRendition[commands.Length];
for ( int i = 0 ; i < commands.Length ; ++i )
{
renditionCommands[i] = (GraphicRendition) DecodeInt( commands[i], 0 );
//System.Console.WriteLine ( "Rendition command: {0} = {1}", commands[i], renditionCommands[i]);
}
OnSetGraphicRendition( renditionCommands );
}
break;
case 'n':
if ( _parameter == "6" )
{
Point cursorPosition = OnGetCursorPosition();
cursorPosition.X++;
cursorPosition.Y++;
String row = cursorPosition.Y.ToString();
String column = cursorPosition.X.ToString();
byte[] output = new byte[2 + row.Length + 1 + column.Length + 1];
int i = 0;
output[i++] = EscapeCharacter;
output[i++] = LeftBracketCharacter;
foreach ( char c in row )
{
output[i++] = (byte) c;
}
output[i++] = (byte) ';';
foreach ( char c in column )
{
output[i++] = (byte) c;
}
output[i++] = (byte) 'R';
OnOutput( output );
}
break;
case 's':
OnSaveCursor();
break;
case 'u':
OnRestoreCursor();
break;
case 'l':
switch ( _parameter )
{
case "20":
// Set line feed mode
OnModeChanged( AnsiMode.LineFeed );
break;
case "?1":
// Set cursor key to cursor DECCKM
OnModeChanged( AnsiMode.CursorKeyToCursor );
break;
case "?2":
// Set ANSI (versus VT52) DECANM
OnModeChanged( AnsiMode.VT52 );
break;
case "?3":
// Set number of columns to 80 DECCOLM
OnModeChanged( AnsiMode.Columns80 );
break;
case "?4":
// Set jump scrolling DECSCLM
OnModeChanged( AnsiMode.JumpScrolling );
break;
case "?5":
// Set normal video on screen DECSCNM
OnModeChanged( AnsiMode.NormalVideo );
break;
case "?6":
// Set origin to absolute DECOM
OnModeChanged( AnsiMode.OriginIsAbsolute );
break;
case "?7":
// Reset auto-wrap mode DECAWM
// Disable line wrap
OnModeChanged( AnsiMode.DisableLineWrap );
break;
case "?8":
// Reset auto-repeat mode DECARM
OnModeChanged( AnsiMode.DisableAutoRepeat );
break;
case "?9":
// Reset interlacing mode DECINLM
OnModeChanged( AnsiMode.DisableInterlacing );
break;
case "?25":
OnModeChanged( AnsiMode.HideCursor );
break;
default:
throw new InvalidParameterException( _command, _parameter );
}
break;
case 'h':
switch ( _parameter )
{
case "":
//Set ANSI (versus VT52) DECANM
OnModeChanged( AnsiMode.ANSI );
break;
case "20":
// Set new line mode
OnModeChanged( AnsiMode.NewLine );
break;
case "?1":
// Set cursor key to application DECCKM
OnModeChanged( AnsiMode.CursorKeyToApplication );
break;
case "?3":
// Set number of columns to 132 DECCOLM
OnModeChanged( AnsiMode.Columns132 );
break;
case "?4":
// Set smooth scrolling DECSCLM
OnModeChanged( AnsiMode.SmoothScrolling );
break;
case "?5":
// Set reverse video on screen DECSCNM
OnModeChanged( AnsiMode.ReverseVideo );
break;
case "?6":
// Set origin to relative DECOM
OnModeChanged( AnsiMode.OriginIsRelative );
break;
case "?7":
// Set auto-wrap mode DECAWM
// Enable line wrap
OnModeChanged( AnsiMode.LineWrap );
break;
case "?8":
// Set auto-repeat mode DECARM
OnModeChanged( AnsiMode.AutoRepeat );
break;
case "?9":
/// Set interlacing mode
OnModeChanged( AnsiMode.Interlacing );
break;
case "?25":
OnModeChanged( AnsiMode.ShowCursor );
break;
default:
throw new InvalidParameterException( _command, _parameter );
}
break;
case '>':
// Set numeric keypad mode
OnModeChanged( AnsiMode.NumericKeypad );
break;
case '=':
OnModeChanged( AnsiMode.AlternateKeypad );
// Set alternate keypad mode (rto: non-numeric, presumably)
break;
default:
throw new InvalidCommandException( _command, _parameter );
}
}
protected virtual void OnSetGraphicRendition( GraphicRendition[] _commands )
{
foreach ( IAnsiDecoderClient client in m_listeners )
{
client.SetGraphicRendition( this, _commands );
}
}
protected override void ProcessCommandCSI(byte _command, String _parameter)
{
//System.Console.WriteLine ( "ProcessCommand: {0} {1}", (char) _command, _parameter );
switch ((char)_command)
{
case 'A': // CSI Ps A Cursor Up Ps Times (default = 1) (CUU).
OnMoveCursor(Direction.Up, DecodeInt(_parameter, 1), false);
break;
case 'B': // CSI Ps B Cursor Down Ps Times (default = 1) (CUD).
OnMoveCursor(Direction.Down, DecodeInt(_parameter, 1), false);
break;
case 'C': // CSI Ps C Cursor Forward Ps Times(default = 1)(CUF).
OnMoveCursor(Direction.Forward, DecodeInt(_parameter, 1), false);
break;
case 'D': // CSI Ps D Cursor Backward Ps Times (default = 1) (CUB).
OnMoveCursor(Direction.Backward, DecodeInt(_parameter, 1), false);
break;
case 'E': // CSI Ps E Cursor Next Line Ps Times (default = 1) (CNL).
OnMoveCursorToBeginningOfLineBelow(DecodeInt(_parameter, 1), false);
break;
case 'F': // CSI Ps F Cursor Preceding Line Ps Times (default = 1) (CPL).
OnMoveCursorToBeginningOfLineAbove(DecodeInt(_parameter, 1), false);
break;
case 'G': // CSI Ps G Cursor Character Absolute [column] (default = [row,1]) (CHA).
OnMoveCursorToColumn(DecodeInt(_parameter, 1) - 1);
break;
case 'H': //CSI Ps ; Ps H - Cursor Position[row; column] (default = [1, 1])(CUP).
case 'f':
{
int separator = _parameter.IndexOf(';');
if (separator == -1)
{
OnMoveCursorTo(new Point(0, 0));
}
else
{
String row = _parameter.Substring(0, separator);
String column = _parameter.Substring(separator + 1, _parameter.Length - separator - 1);
OnMoveCursorTo(new Point(DecodeInt(column, 1) - 1, DecodeInt(row, 1) - 1));
}
}
break;
case 'I': // CSI Ps I Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
break;
case 'J':
// CSI Ps J Erase in Display(ED), VT100.
// Ps = 0->Erase Below(default).
// Ps = 1->Erase Above.
// Ps = 2->Erase All.
// Ps = 3->Erase Saved Lines(xterm).
OnClearScreen((ClearDirection)DecodeInt(_parameter, 0));
break;
case 'K':
// CSI Ps K Erase in Line(EL), VT100.
// Ps = 0->Erase to Right(default).
// Ps = 1->Erase to Left.
// Ps = 2->Erase All.
OnClearLine((ClearDirection)DecodeInt(_parameter, 0));
break;
case 'M': // CSI Ps M Delete Ps Line(s) (default = 1) (DL).
break;
case 'S': // CSI Ps S Scroll up Ps lines (default = 1) (SU), VT420, ECMA-48.
OnScrollPageUpwards(DecodeInt(_parameter, 1));
break;
case 'T': // CSI Ps T Scroll down Ps lines (default = 1) (SD), VT420.
OnScrollPageDownwards(DecodeInt(_parameter, 1));
break;
case 'c': // CSI Ps c Send Device Attributes (Primary DA).
DoCSI_PrimaryDA(_parameter);
break;
case 'h': // CSI ? Pm h - DEC Private Mode Set(DECSET).
DoCSI_DECSET(_command, _parameter);
break;
case 'g': // CSI Ps g Tab Clear (TBC).
switch (_parameter)
{
case "":
case "0":
ClearTab(false);
break;
case "3":
ClearTab(true);
break;
}
break;
case 'l': // CSI ? Pm l - DEC Private Mode Reset(DECRST).
DoCSI_DECRST(_command, _parameter);
break;
case 'm': // CSI Pm m Character Attributes (SGR).
{
String[] commands = _parameter.Split(';');
GraphicRendition[] renditionCommands = new GraphicRendition[commands.Length];
for (int i = 0; i < commands.Length; ++i)
{
renditionCommands[i] = (GraphicRendition)DecodeInt(commands[i], 0);
//System.Console.WriteLine ( "Rendition command: {0} = {1}", commands[i], renditionCommands[i]);
}
OnSetGraphicRendition(renditionCommands);
}
break;
case 'n': // CSI Ps n Device Status Report (DSR).
DoCSI_DSR(_parameter);
break;
case 'r':
// CSI Ps ; Ps r Set Scrolling Region [top;bottom] (default = full size of window) (DECSTBM), VT100.
// CSI ? Pm r Restore DEC Private Mode Values.The value of Ps previously saved is restored.Ps values are the same as for DECSET.
// CSI Pt; Pl; Pb ; Pr; Ps $ r Change Attributes in Rectangular Area(DECCARA), VT400 and up. Pt; Pl; Pb; Pr denotes the rectangle. Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.
break;
case 's': // CSI s Save cursor, available only when DECLRMM is disabled (SCOSC, also ANSI.SYS).
OnSaveCursor();
break;
case 't': // Window manipulation EWMH
DoCSI_WindowManipulation(_parameter);
break;
case 'u': // CSI u Restore cursor (SCORC, also ANSI.SYS).
OnRestoreCursor();
break;
case '>':
// Set numeric keypad mode
OnModeChanged(AnsiMode.NumericKeypad);
break;
case '=':
OnModeChanged(AnsiMode.AlternateKeypad);
// Set alternate keypad mode (rto: non-numeric, presumably)
break;
// Unknowns
case '(':
case 'j':
case '\\':
case ']':
default:
Debug.WriteLine("Unimplemented CSI: Command=" + _command + " Param=" + _parameter);
break;
}
}
void IAnsiDecoderClient.SetGraphicRendition ( IAnsiDecoder _sender, GraphicRendition[] _commands )
{
}
