public Terminal(
TerminalOpenEvent terminalOpen = null,
ConsoleOutEvent onConsoleOutEvent = null
)
{
var chr = CharacterParser.Create();
var ansi = new AnsiParserEvents()
{
Input = (characters) => Debug.Write(new string(characters))
};
_ansiParser = new AnsiParser(events: ansi, utf8: chr.TryParseUtf8);
var vt = new VTParserEvents()
{
EscapeSequence = _ansiParser.OnEscapeSequence,
ControlSequence = _ansiParser.OnControlSequenceCommand,
Execute = _ansiParser.OnExecute,
OsCommand = _ansiParser.OnOsCommand,
Print = _ansiParser.OnPrint
};
_vtParser = new VTParser(events: vt, utf8: chr.TryParseUtf8, ascii: chr.TryParseAscii);
onConsoleOutEvent?.Subscribe(OnConsoleOut);
terminalOpen?.Publish(new TerminalOpenEventData(
@"C:\windows\system32\cmd.exe", "",
null, null
));
}
public static void VTParser_Execute()
{
var packet = Encoding.ASCII.GetBytes("\x1C");
var dispatched = 0;
var events = new VTParserEvents
{
Execute = (controlCode) =>
{
++dispatched;
Assert.Equal(ControlCode.FileSeparator, controlCode);
}
};
var parser = new VTParser(events: events);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(2, dispatched);
}
public static void VTParser_OSC_MaxParams()
{
var packet = Encoding.ASCII.GetBytes("\x1B];;;;;;;;;;;;;;;;;\x07");
var dispatched = 0;
var events = new VTParserEvents
{
OsCommand = (command, parameters, ignored) =>
{
++dispatched;
Assert.Equal(IgnoredData.Parameters, ignored);
Assert.Equal(3, parameters.Length);
}
};
var parser = new VTParser(events: events, maxParameters: 3);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(2, dispatched);
}
public static void VTParser_DCS_Hook_Put_Unhook_MaxParams_MaxIntermediates()
{
const string PutExpected = " !";
var packet = Encoding.ASCII.GetBytes("\x1BP1;2;3 !@ !X");
packet[packet.Length - 1] = 0x9C;
var hookDispatched = 0;
var putDispatched = 0;
var unhookDispatched = 0;
var events = new VTParserEvents
{
Hook = (intermediates, parameters, ignored) =>
{
++hookDispatched;
Assert.Equal(IgnoredData.All, ignored);
Assert.Equal(new long[] { 0x01, 0x02 }, parameters.ToArray());
Assert.Equal(new byte[] { 0x20 }, intermediates.ToArray());
},
Put = (byt) =>
{
var i = (putDispatched++) % PutExpected.Length;
Assert.Equal((byte)PutExpected[i], byt);
},
Unhook = () => unhookDispatched++
};
var parser = new VTParser(events: events, maxIntermediates: 1, maxParameters: 2);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(2, hookDispatched);
Assert.Equal(4, putDispatched);
Assert.Equal(2, unhookDispatched);
}
public static void VTParser_Print_UTF8()
{
const string Case = "Hello 😁 world ";
var packet = Encoding.UTF8.GetBytes(Case);
var dispatched = 0;
var sb = new StringBuilder();
var events = new VTParserEvents
{
Print = (characters) =>
{
sb.Append(new string(characters));
dispatched = (dispatched + characters.Length) % Case.Length;
}
};
var chars = CharacterParser.Create();
var parser = new VTParser(events: events, maxParameters: 3, utf8: chars.TryParseUtf8, ascii: chars.TryParseAscii);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(Case + Case, sb.ToString());
}
public static void VTParser_OSC_Empty()
{
var packet = Encoding.ASCII.GetBytes("\x1B]\x07");
var dispatched = 0;
var events = new VTParserEvents
{
OsCommand = (command, parameters, ignored) =>
{
++dispatched;
Assert.Equal(1, parameters.Length);
Assert.Equal(0, parameters[0].Length);
Assert.Equal(OsCommand.Unknown, command);
}
};
var parser = new VTParser(events: events);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(2, dispatched);
}
public static void VTParser_OSC_Populated()
{
var packet = Encoding.ASCII.GetBytes("\x1B]2;jwilm@jwilm-desk: ~/code/alacritty\x07");
var dispatched = 0;
var events = new VTParserEvents
{
OsCommand = (command, parameters, ignored) =>
{
++dispatched;
Assert.Equal(1, parameters.Length);
Assert.Equal(OsCommand.SetWindowTitle, command);
Assert.Equal(parameters[0].ToArray(), packet.AsMemory(4, packet.Length - 5).ToArray());
}
};
var parser = new VTParser(events: events);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(2, dispatched);
}
public static void VTParser_ESC_MaxIntermediates()
{
var packet = Encoding.ASCII.GetBytes("\x1B !0");
var dispatched = 0;
var events = new VTParserEvents
{
EscapeSequence = (command, intermediates, ignored) =>
{
++dispatched;
Assert.Equal(EscapeCommand.ConfigureSpecialCharSet, command);
Assert.Equal(IgnoredData.Intermediates, ignored);
Assert.Equal(new byte[] { 0x20 }, intermediates.ToArray());
}
};
var parser = new VTParser(events: events, maxIntermediates: 1);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(2, dispatched);
}
public static void VTParser_CSI_SemiUnderline()
{
var packet = Encoding.ASCII.GetBytes("\x1B[;4m");
var dispatched = 0;
var events = new VTParserEvents
{
ControlSequence = (command, intermediates, parameters, ignored) =>
{
Assert.Equal(ControlSequenceCommand.TerminalAttribute, command);
Assert.Equal(IgnoredData.None, ignored);
Assert.Equal(new byte[] { }, intermediates.ToArray());
Assert.Equal(new long[] { 0x00, 0x04 }, parameters.ToArray());
dispatched++;
}
};
var parser = new VTParser(events: events);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(2, dispatched);
}
public static void VTParser_CSI_MaxParams_MaxIntermediates()
{
var packet = Encoding.ASCII.GetBytes("\x1B[1;1;1;1!#@");
var dispatched = 0;
var events = new VTParserEvents
{
ControlSequence = (command, intermediates, parameters, ignored) =>
{
Assert.Equal(ControlSequenceCommand.InsertBlank, command);
Assert.Equal(IgnoredData.All, ignored);
Assert.Equal(new byte[] { 0x21 }, intermediates.ToArray());
Assert.Equal(new long[] { 0x01, 0x01 }, parameters.ToArray());
dispatched++;
}
};
var parser = new VTParser(events: events, maxIntermediates: 1, maxParameters: 2);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(2, dispatched);
}
public static void VTParser_OSC_UTF8()
{
var packet = Encoding.UTF8.GetBytes("\x1B]2;echo '¯\\_(ツ)_/¯' && sleep 1\x07");
var dispatched = 0;
var events = new VTParserEvents
{
OsCommand = (command, parameters, ignored) =>
{
++dispatched;
Assert.Equal(IgnoredData.None, ignored);
Assert.Equal(1, parameters.Length);
Assert.Equal(OsCommand.SetWindowTitle, command);
Assert.Equal(parameters[0].Span.ToArray(), packet.AsMemory(4, packet.Length - 5).ToArray());
}
};
var parser = new VTParser(events: events, maxParameters: 3);
parser.Process(packet);
parser.Process(packet);
Assert.Equal(2, dispatched);
}