public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
if (!(obj is ElementLiteral))
{
return(false);
}
ElementLiteral literal = (ElementLiteral)obj;
if (literal.Type != this.Type)
{
return(false);
}
if (this.Type == TokenType.StringLiteral)
{
return((string)this.Value == (string)literal.Value);
}
else if (this.Type == TokenType.DecimalLiteral || this.Type == TokenType.IntegerLiteral)
{
double leftValue = Convert.ToDouble(this.Value);
double rightValue = Convert.ToDouble(literal.Value);
return(leftValue == rightValue);
}
else if (this.Type == TokenType.BooleanLiteral)
{
return((bool)this.Value == (bool)literal.Value);
}
return(this.Value == literal.Value);
}
internal static bool Parse(Parser.ParseContext context)
{
TokenType tokenType = TokenType.None;
object value = null;
bool isLiteral = ParseString(context, out tokenType, out value);
if (!isLiteral)
{
isLiteral = ParseNumeric(context, out tokenType, out value);
}
if (!isLiteral)
{
isLiteral = ParseBool(context, out tokenType, out value);
}
if (!isLiteral)
{
return(false);
}
ElementLiteral element = new ElementLiteral(tokenType, value);
context.Ouput.Push(element);
return(true);
}