public override IQueryValue EvaluateOperator(IEnvironment env, IQueryValue left, IQueryValue right)
{
switch (left.GetIQLType())
{
default:
throw new ArgumentException(string.Format("Left side of + cannot be of type {0}", left.GetIQLType()));
case IQLType.Number:
switch (right.GetIQLType())
{
default:
throw new ArgumentException(string.Format("Right side of + cannot be of type {0} when left side is a number", right.GetIQLType()));
case IQLType.Number:
return new NumberValue() {Number = left.Number + right.Number};
case IQLType.Color:
return new ColorValue() {Color = right.Color.Each(v => left.Number + v)};
}
case IQLType.Color:
switch (right.GetIQLType())
{
default:
throw new ArgumentException(string.Format("Right side of + cannot be of type {0} when left side is a color", right.GetIQLType()));
case IQLType.Color:
return new ColorValue() {Color = left.Color + right.Color};
case IQLType.Number:
return new ColorValue() {Color = left.Color.Each(v => v + right.Number)};
}
}
}
public override IQueryValue EvaluateOperator(IEnvironment env, IQueryValue left, IQueryValue right)
{
switch (left.GetIQLType())
{
default:
throw new ArgumentException(string.Format("Arguments to < cannot be of type {0}", left.GetIQLType()));
case IQLType.Number:
return new BooleanValue() { Boolean = left.Number < right.Number };
}
}
public static void SetValue(this IQueryValue l, IQueryValue r)
{
if (l.GetIQLType() != r.GetIQLType())
{
throw new InvalidOperationException("Cannot set query value to disparate type");
}
switch (l.GetIQLType())
{
case IQLType.Number:
l.Number = r.Number;
break;
case IQLType.Boolean:
l.Boolean = r.Boolean;
break;
case IQLType.Canvas:
l.Canvas = r.Canvas;
break;
case IQLType.Color:
l.Color = r.Color.Clone();
break;
}
}
public override IQueryValue EvaluateOperator(IEnvironment env, IQueryValue left, IQueryValue right)
{
if (left.GetIQLType() != right.GetIQLType())
return new BooleanValue() {Boolean = false};
switch (left.GetIQLType())
{
case IQLType.Number:
return new BooleanValue() {Boolean = left.Number != right.Number};
case IQLType.Color:
return new BooleanValue() {Boolean = !left.Color.Equals(right.Color)};
case IQLType.Canvas:
return new BooleanValue() {Boolean = left.Canvas != right.Canvas};
case IQLType.Boolean:
return new BooleanValue() {Boolean = left.Boolean != right.Boolean};
}
return new BooleanValue() {Boolean = false};
}