/**
* Constructor of a string parser
* @arg data The complete string that has to be parsed
* @arg variable The offset of the provided string where the parser needs to start
* @visibility private if you'd to intansiate a string parser, use StringParser::create
*/
private StringParser(string data, int offset, ArgumentsManager manager)
{
_argumentManager = manager;
if (data.Length <= offset || offset < 0 || data[0] == '\0')
{
throw new ArgumentOutOfRangeException();
}
_data = data;
_startOffset = offset;
_state = ParserState.Unknown;
StartParsing();
}
public IAsciiBasePropositionalOperator GetOperator(char symbol, ArgumentsManager manager)
{
switch (symbol)
{
case '>':
return(new IfThenPropositionalOperator(manager));
case '=':
return(new SamePropositionalOperator(manager));
case '&':
return(new AndPropositionalOperator(manager));
case '|':
return(new OrPropositionalOperator(manager));
case '~':
return(new NotPropositionalOperator(manager));
case '%':
return(new NotAndPropositionalOperator(manager));
case 'F':
return(new FalsePropositionalOperator(manager));
case 'T':
return(new TruePropositionalOperator(manager));
case '@':
return(new UniversalQuantifierOperator(manager));
case '!':
return(new ExtensionalQuantifierOperator(manager));
}
return(null);
}
/**
* Use this function to create an instance of StringParser.
*/
public static StringParser Create(string data)
{
var manager = new ArgumentsManager();
return(new StringParser(data, 0, manager));
}