public bool IsIdentifier()
{
if (_builder.IsEmpty)
{
return(false);
}
var body = _builder.Body;
if (!VariableFactory.CheckSymbol(body[0]))
{
return(false);
}
for (var i = 1; i < body.Length; i++)
{
if (!VariableFactory.CheckSymbol(body[i]) &&
(!NumberFactory.CheckSymbol(body[i]) || body[i].Equals(NumberFactory.DecimalSeparator)))
{
return(false);
}
}
return(true);
}
private static SymbolType GetSymbolType(char value)
{
if (NumberFactory.CheckSymbol(value))
{
return(SymbolType.Number);
}
if (OperatorFactory.CheckSymbol(value))
{
return(SymbolType.Operator);
}
if (VariableFactory.CheckSymbol(value))
{
return(SymbolType.Identifier);
}
return(SymbolType.Undefined);
}