public override void DoKeyPress(char code, out string viShortcut, out bool scrollToCursor)
{
ViChar viChar = new ViChar(code, false);
viChar.c = context.GetMapped(code);
ProcessKey(viChar, out viShortcut, out scrollToCursor);
}
public bool AddKey(ViChar code)
{
if (_lastResult != ParseResult.WaitNext)
{
Reset();
}
_lastResult = Parse(code);
return(_lastResult == ParseResult.Complete);
}
private void ProcessKey(ViChar code, out string viShortcut, out bool scrollToCursor)
{
viShortcut = null;
scrollToCursor = false;
if (!code.control)
{
text += code.c;
bool hasStartsWith = false;
foreach (Position position in positions)
{
if (position.text == text)
{
if (mode == Mode.Single)
{
controller.PutCursor(GetPlace(position), false);
controller.ViAddHistoryPosition(true);
context.SetState(new ViReceiver(null, false));
scrollToCursor = true;
}
else if (mode == Mode.Selection)
{
controller.PutCursor(GetPlace(position), true);
controller.ViAddHistoryPosition(true);
context.SetState(new ViReceiverVisual(false));
scrollToCursor = true;
}
else if (mode == Mode.LinesSelection)
{
controller.PutCursor(GetPlace(position), true);
controller.ViAddHistoryPosition(true);
context.SetState(new ViReceiverVisual(true));
scrollToCursor = true;
}
else if (mode == Mode.New)
{
controller.PutNewCursor(GetPlace(position));
controller.ViAddHistoryPosition(true);
context.SetState(new ViReceiver(null, false));
scrollToCursor = true;
}
hasStartsWith = true;
break;
}
else if (position.text.StartsWith(text))
{
hasStartsWith = true;
}
}
if (!hasStartsWith)
{
context.SetState(new ViReceiver(null, false));
}
}
}
public void Reset()
{
_lastResult = ParseResult.Complete;
_state = State.Init;
_stateText = "";
rawCount = -1;
move = new ViChar('\0', false);
moveChar = new ViChar('\0', false);
action = new ViChar('\0', false);
register = '\0';
shortcut = null;
}
private void ProcessKey(ViChar code, out string viShortcut, out bool scrollToCursor)
{
viShortcut = null;
if (!parser.AddKey(code))
{
scrollToCursor = false;
return;
}
if (parser.shortcut != null)
{
viShortcut = parser.shortcut;
scrollToCursor = false;
return;
}
ProcessParserCommand(out viShortcut, out scrollToCursor);
}
private ParseResult Parse(ViChar code)
{
switch (_state)
{
case State.Init:
if (char.IsNumber(code.c) && code.c != '0')
{
_state = State.Count;
return(Parse(code));
}
if (code.c == '"')
{
_state = State.WaitRegister;
return(ParseResult.WaitNext);
}
if (code.c == '/')
{
shortcut = code.control ? "C/" : "/";
return(ParseResult.Complete);
}
if (code.c == '?')
{
shortcut = code.control ? "C?" : "?";
return(ParseResult.Complete);
}
if (code.c == ':')
{
shortcut = ":";
return(ParseResult.Complete);
}
_state = State.Action;
return(Parse(code));
case State.Count:
if (char.IsNumber(code.c))
{
_stateText += code;
return(ParseResult.WaitNext);
}
if (_stateText != "")
{
rawCount = int.Parse(_stateText);
_stateText = "";
}
_state = State.Action;
return(Parse(code));
case State.Action:
if (code.control)
{
switch (code.c)
{
case 'f':
case 'b':
move = code;
return(ParseResult.Complete);
case 'r':
case 'j':
case 'k':
case 'd':
case 'D':
case 'J':
case 'K':
case 'o':
case 'i':
action = code;
return(ParseResult.Complete);
}
}
else
{
switch (code.c)
{
case 'j':
case 'k':
case 'h':
case 'l':
case 'w':
case 'W':
case 'e':
case 'E':
case 'b':
case 'B':
case '0':
case '^':
case '$':
case 'G':
case 'n':
case 'N':
case '%':
move = code;
return(ParseResult.Complete);
case 'v':
case 'V':
case '*':
case '#':
action = code;
return(ParseResult.Complete);
case 'd':
if (action.IsChar('d'))
{
move = code;
return(ParseResult.Complete);
}
action = code;
return(_visualMode ? ParseResult.Complete : ParseResult.WaitNext);
case 'c':
if (action.IsChar('c'))
{
move = code;
return(ParseResult.Complete);
}
action = code;
return(_visualMode ? ParseResult.Complete : ParseResult.WaitNext);
case 'y':
if (action.IsChar('y'))
{
move = code;
return(ParseResult.Complete);
}
action = code;
return(_visualMode ? ParseResult.Complete : ParseResult.WaitNext);
case 'Y':
action = code;
return(ParseResult.Complete);
case '>':
if (action.IsChar('>'))
{
move = code;
return(ParseResult.Complete);
}
action = code;
return(_visualMode ? ParseResult.Complete : ParseResult.WaitNext);
case '<':
if (action.IsChar('<'))
{
move = code;
return(ParseResult.Complete);
}
action = code;
return(_visualMode ? ParseResult.Complete : ParseResult.WaitNext);
case 'f':
case 'F':
case 't':
case 'T':
case 'g':
case '\'':
case '`':
_state = State.WaitChar;
move = code;
return(ParseResult.WaitNext);
case 'm':
_state = State.WaitChar;
action = code;
return(ParseResult.WaitNext);
case 'r':
case ' ':
_state = State.WaitChar;
action = code;
return(ParseResult.WaitNext);
case 'I':
case 'A':
case 'u':
case 'U':
case 'x':
case '~':
case 'p':
case 'P':
case 'J':
case '.':
case 'o':
case 'O':
case 'C':
case 'D':
action = code;
return(ParseResult.Complete);
case 'i':
case 'a':
if (action.c != '\0' || _visualMode)
{
move = code;
_state = State.WaitObject;
return(ParseResult.WaitNext);
}
action = code;
return(ParseResult.Complete);
case 's':
case '\b':
case '\r':
action = code;
return(ParseResult.Complete);
case ',':
case '\\':
action = new ViChar(',', false);
_state = State.Leader;
_stateText = "";
return(ParseResult.WaitNext);
}
if (char.IsNumber(code.c))
{
_state = State.Count;
return(Parse(code));
}
}
return(ParseResult.Incorrect);
case State.WaitChar:
if (!move.control && move.c == 'g')
{
if (code.c == 'j' || code.c == 'k')
{
moveChar = move;
move = code;
return(ParseResult.Complete);
}
}
moveChar = code;
return(ParseResult.Complete);
case State.WaitRegister:
register = code.c;
_state = State.Init;
return(ParseResult.WaitNext);
case State.WaitObject:
moveChar = code;
return(ParseResult.Complete);
case State.Leader:
if (!code.control)
{
switch (code.c)
{
case ' ':
move = code;
_state = State.WaitChar;
return(ParseResult.WaitNext);
case 'b':
shortcut = "\\b";
return(ParseResult.Complete);
case 'n':
shortcut = "\\n";
return(ParseResult.Complete);
case 'N':
shortcut = "\\N";
return(ParseResult.Complete);
case 's':
shortcut = "\\s";
return(ParseResult.Complete);
case 'r':
shortcut = "\\r";
return(ParseResult.Complete);
case 'c':
shortcut = "\\c";
return(ParseResult.Complete);
case 'f':
shortcut = "\\f";
return(ParseResult.Complete);
case 'g':
shortcut = "\\g";
return(ParseResult.Complete);
}
}
return(ParseResult.Incorrect);
}
return(ParseResult.Incorrect);
}