public BoolValue Separate(RelationValue relarg1, RelationValue relarg2)
{
var ret = (DataTable.CheckDyadic(relarg1.Value, relarg2.Value) == MixedDyadics.RightLocal)
? relarg2.Value.Separate(relarg1.Value)
: relarg1.Value.Separate(relarg2.Value);
return(BoolValue.Create(ret));
}
// Converter driven by source type
TypedValue Converter(ConversionTypes type, object value)
{
switch (type)
{
case ConversionTypes.Bool: return(BoolValue.Create((bool)value));
case ConversionTypes.Int: return(NumberValue.Create((int)value));
case ConversionTypes.String: return(TextValue.Create((string)value));
case ConversionTypes.Decimal: return(NumberValue.Create((decimal)value));
case ConversionTypes.DateTime: return(TimeValue.Create((DateTime)value));
default: return(TypedValue.Empty);
}
}
public static TypedValue Parse(DataType type, string value)
{
if (type == DataTypes.Bool)
{
return(BoolValue.Create(bool.Parse(value)));
}
if (type == DataTypes.Number)
{
return(NumberValue.Create(Decimal.Parse(value)));
}
if (type == DataTypes.Time)
{
return(TimeValue.Create(DateTime.Parse(value)));
}
if (type == DataTypes.Text)
{
return(TextValue.Create(value));
}
return(TypedValue.Empty);
}
// Match using regex
public BoolValue Match(TextValue arg1, TextValue arg2)
{
Regex re = new Regex(arg2.Value);
return(BoolValue.Create(re.IsMatch(arg1.Value)));
}
public BoolValue Lt(IOrderedValue arg1, IOrderedValue arg2)
{
return(BoolValue.Create(CheckedLess(arg1, arg2)));
}
public BoolValue Le(IOrderedValue arg1, IOrderedValue arg2)
{
return(BoolValue.Create(CheckedLess(arg1, arg2) || arg1.Equals(arg2)));
}
public BoolValue Gt(IOrderedValue arg1, IOrderedValue arg2)
{
return(BoolValue.Create(!CheckedLess(arg1, arg2) && !arg1.Equals(arg2)));
}
public BoolValue Ne(TypedValue arg1, TypedValue arg2)
{
return(BoolValue.Create(!CheckedEqual(arg1, arg2)));
}
public BoolValue Not(BoolValue arg1)
{
return(BoolValue.Create(!arg1.Value));
}
public BoolValue Xor(BoolValue arg1, BoolValue arg2)
{
return(BoolValue.Create(arg1.Value ^ arg2.Value));
}
public BoolValue Or(BoolValue arg1, BoolValue arg2)
{
return(BoolValue.Create(arg1.Value || arg2.Value));
}
///=================================================================
///
/// Logical operations
///
public BoolValue And(BoolValue arg1, BoolValue arg2)
{
return(BoolValue.Create(arg1.Value && arg2.Value));
}
public void SetBool(int colno, bool value)
{
_valueholder._values[colno] = BoolValue.Create(value);
}