public static ulong ToUInit64(string str, ulong defaultValue)
{
return((ulong)ConverterHelper.ToObject(TypeCode.UInt64, str, defaultValue));
}
public static bool Compare(CompareOp op, object val, string compareVal, Type type)
{
if (val == null)
{
if (string.IsNullOrEmpty(compareVal) || compareVal.Trim().ToLower() == "null" || compareVal.Trim().ToLower() == "nothing")
{
switch (op)
{
case CompareOp.GreaterThan:
case CompareOp.LessThan:
case CompareOp.NotEqual: return(false);
default: return(true);
}
}
else
{
switch (op)
{
case CompareOp.Equal:
case CompareOp.GreaterOrEqual:
case CompareOp.GreaterThan: return(false);
default: return(true);
}
}
}
else if (type.IsGenericType && type.Name.IndexOf("Nullable") != -1)
{
Type underType = Nullable.GetUnderlyingType(type);
if (underType == typeof(bool))
{
return(CompareHelper.Compare <bool>(op,
((bool?)val).Value,
ConverterHelper.ToBoolean(compareVal, false)));
}
else if (underType == typeof(long))
{
return(CompareHelper.Compare <long>(op,
((long?)val).Value,
ConverterHelper.ToInt64(compareVal, long.MinValue)));
}
else if (underType == typeof(int))
{
return(CompareHelper.Compare <int>(op,
((int?)val).Value,
ConverterHelper.ToInt32(compareVal, int.MinValue)));
}
else if (underType == typeof(short))
{
return(CompareHelper.Compare <short>(op,
((short?)val).Value,
ConverterHelper.ToInt16(compareVal, short.MinValue)));
}
else if (underType == typeof(ulong))
{
return(CompareHelper.Compare <ulong>(op,
((ulong?)val).Value,
ConverterHelper.ToUInit64(compareVal, ulong.MinValue)));
}
else if (underType == typeof(uint))
{
return(CompareHelper.Compare <uint>(op,
((uint?)val).Value,
ConverterHelper.ToUInit32(compareVal, uint.MinValue)));
}
else if (underType == typeof(ushort))
{
return(CompareHelper.Compare <ushort>(op,
((ushort?)val).Value,
ConverterHelper.ToUInt16(compareVal, ushort.MinValue)));
}
else if (underType == typeof(double))
{
return(CompareHelper.Compare <double>(op,
((double?)val).Value,
ConverterHelper.ToDouble(compareVal, double.MinValue)));
}
else if (underType == typeof(decimal))
{
return(CompareHelper.Compare <decimal>(op,
((decimal?)val).Value,
ConverterHelper.ToDecimal(compareVal, decimal.MinValue)));
}
else if (underType == typeof(Single))
{
return(CompareHelper.Compare <Single>(op,
((Single?)val).Value,
ConverterHelper.ToSingle(compareVal, Single.MinValue)));
}
else if (underType == typeof(DateTime))
{
return(CompareHelper.Compare <DateTime>(op,
((DateTime?)val).Value,
ConverterHelper.ToDateTime(compareVal, DateTime.MinValue)));
}
else if (underType == typeof(char))
{
return(CompareHelper.Compare <char>(op,
((char?)val).Value,
ConverterHelper.ToChar(compareVal, char.MinValue)));
}
else if (underType == typeof(byte))
{
return(CompareHelper.Compare <byte>(op,
((byte?)val).Value,
ConverterHelper.ToByte(compareVal, byte.MinValue)));
}
else if (underType == typeof(sbyte))
{
return(CompareHelper.Compare <sbyte>(op,
((sbyte?)val).Value,
ConverterHelper.ToSByte(compareVal, sbyte.MinValue)));
}
}
else if (type == typeof(string) || type.IsValueType)
{
if (string.IsNullOrEmpty(compareVal) || compareVal.Trim().ToLower() == "null" || compareVal.Trim().ToLower() == "nothing")
{
switch (op)
{
case CompareOp.GreaterThan:
case CompareOp.GreaterOrEqual:
case CompareOp.NotEqual: return(true);
default: return(false);
}
}
else
{
IComparable tmpCompareVal = ConverterHelper.ToObject(type, compareVal, null) as IComparable;
IComparable tmpVal = (IComparable)val;
return(CompareHelper.Compare(op, tmpVal, tmpCompareVal));
}
}
return(false);
}
public static ushort ToUInt16(string str, ushort defaultValue)
{
return((ushort)ConverterHelper.ToObject(TypeCode.UInt16, str, defaultValue));
}
public static uint ToUInit32(string str, uint defaultValue)
{
return((uint)ConverterHelper.ToObject(TypeCode.UInt32, str, defaultValue));
}
public static sbyte ToSByte(string str, sbyte defaultValue)
{
return((sbyte)ConverterHelper.ToObject(TypeCode.SByte, str, defaultValue));
}
public static Single ToSingle(string str, Single defaultValue)
{
return((Single)ConverterHelper.ToObject(TypeCode.Single, str, defaultValue));
}
public static int ToInt32(string str, int defaultValue)
{
return((int)ConverterHelper.ToObject(TypeCode.Int32, str, defaultValue));
}
public static long ToInt64(string str, long defaultValue)
{
return((long)ConverterHelper.ToObject(TypeCode.Int64, str, defaultValue));
}
public static double ToDouble(string str, double defaultValue)
{
return((double)ConverterHelper.ToObject(TypeCode.Double, str, defaultValue));
}
public static decimal ToDecimal(string str, decimal defaultValue)
{
return((decimal)ConverterHelper.ToObject(TypeCode.Decimal, str, defaultValue));
}
public static DateTime ToDateTime(string str, DateTime defaultValue)
{
return((DateTime)ConverterHelper.ToObject(TypeCode.DateTime, str, defaultValue));
}
public static char ToChar(string str, char defaultValue)
{
return((char)ConverterHelper.ToObject(TypeCode.Char, str, defaultValue));
}
public static bool ToBoolean(string str, bool defaultValue)
{
return((bool)ConverterHelper.ToObject(TypeCode.Boolean, str, defaultValue));
}
