/// <summary>
/// Gets value as string with resolution.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public string ToString(EvaluationContext context)
{
switch (TokenType)
{
case ExpressionTokenType.Field:
if (context == null)
{
throw new ArgumentNullException("context");
}
return(context.GetFieldValue(Value).ToString() ?? "");
default:
return(Value ?? "");
}
}
/// <summary>
/// Converts to the decimal value.
/// </summary>
/// <returns></returns>
/// <exception cref="System.NotSupportedException"></exception>
/// <exception cref="FormatException"></exception>
public decimal ToDecimal(EvaluationContext context)
{
switch (TokenType)
{
case ExpressionTokenType.Value:
case ExpressionTokenType.SingleQuoted:
case ExpressionTokenType.DoubleQuoted:
return(decimal.Parse(Value, NumberParseStyle, CultureInfo.CurrentCulture));
case ExpressionTokenType.Field:
if (context == null)
{
throw new ArgumentNullException("context");
}
return(decimal.Parse(context.GetFieldValue(Value).ToString(), CultureInfo.CurrentCulture));
default:
throw new NotSupportedException(string.Format(CultureInfo.InvariantCulture, "Cannot convert {0}({1}) to a numeric value.", TokenType, Value));
}
}
/// <summary>
/// Converts to the decimal value.
/// </summary>
/// <returns></returns>
/// <exception cref="System.NotSupportedException"></exception>
/// <exception cref="FormatException"></exception>
public decimal ToDecimal(EvaluationContext context)
{
switch (TokenType)
{
case ExpressionTokenType.Value:
case ExpressionTokenType.SingleQuoted:
case ExpressionTokenType.DoubleQuoted:
return decimal.Parse(Value, CultureInfo.CurrentCulture);
case ExpressionTokenType.Field:
if (context == null) { throw new ArgumentNullException("context"); }
return decimal.Parse(context.GetFieldValue(Value).ToString(), CultureInfo.CurrentCulture);
default:
throw new NotSupportedException(string.Format(CultureInfo.InvariantCulture, "Cannot convert {0}({1}) to a numeric value.", TokenType, Value));
}
}
/// <summary>
/// Gets value as string with resolution.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public string ToString(EvaluationContext context)
{
switch (TokenType)
{
case ExpressionTokenType.Field:
if (context == null) { throw new ArgumentNullException("context"); }
return context.GetFieldValue(Value).ToString();
default:
return Value;
}
}