public LexerAction(
int priority,
LexerValueAction valueAction,
IEnumerable<LexerModeAction> modeActions,
LexerEmitAction emitAction,
string code)
{
if(valueAction == null) throw new ArgumentNullException(nameof(valueAction));
Priority = priority;
ValueAction = valueAction;
ModeActions = modeActions.ToList();
EmitAction = emitAction;
Code = code;
}
private LexerValueAction GetValueAction()
{
if (Commands.Contains(Command.Capture))
{
return(LexerValueAction.Capture);
}
var decode = Commands.OfType <DecodeCommand>().SingleOrDefault();
if (decode != null)
{
return(LexerValueAction.Decode(decode.Base));
}
var text = Commands.OfType <TextCommand>().SingleOrDefault();
if (text != null)
{
return(LexerValueAction.Text(text.Value));
}
return(LexerValueAction.Ignore);
}