/// <summary>
/// Applies the transformation.
/// </summary>
/// <param name="transformType">The type of transformation to perform.</param>
/// <param name="source1">First transformation source.</param>
/// <param name="source2">Second transformation source.</param>
/// <returns>Transformation result -
/// either <see cref="TransformedTuple"/> or <see cref="Tuple"/> descendant,
/// dependently on specified <paramref name="transformType"/>.</returns>
protected Tuple Apply(TupleTransformType transformType, Tuple source1, Tuple source2)
{
if (sourceCount > 2)
{
throw new InvalidOperationException(string.Format(Strings.ExTheNumberOfSourcesIsTooSmallExpected, sourceCount));
}
switch (transformType)
{
case TupleTransformType.Auto:
if (source1 is TransformedTuple)
{
goto case TupleTransformType.Tuple;
}
if (source2 is TransformedTuple)
{
goto case TupleTransformType.Tuple;
}
goto case TupleTransformType.TransformedTuple;
case TupleTransformType.TransformedTuple:
return(new MapTransformTuple3(this, source1, source2));
case TupleTransformType.Tuple:
FixedList3 <Tuple> sources = new FixedList3 <Tuple>(source1, source2);
Tuple result = Tuple.Create(Descriptor);
sources.CopyTo(result, map);
return(result);
default:
throw new ArgumentOutOfRangeException("transformType");
}
}
/// <summary>
/// Converts <paramref name="source"/> tuple to read-only one.
/// </summary>
/// <param name="source">The tuple to convert to read-only.</param>
/// <param name="transformType">The type of transformation to perform.</param>
/// <returns>Read-only version of <paramref name="source"/> tuple.</returns>
public static Tuple ToReadOnly(this Tuple source, TupleTransformType transformType)
{
if (source == null)
{
return(null);
}
return(ReadOnlyTransform.Instance.Apply(transformType, source));
}
/// <inheritdoc/>
public override Tuple Apply(TupleTransformType transformType, params object[] arguments)
{
ArgumentValidator.EnsureArgumentNotNull(arguments, "arguments");
switch (sourceCount)
{
case 1:
return(Apply(transformType, (Tuple)arguments[0]));
case 2:
return(Apply(transformType, (Tuple)arguments[0], (Tuple)arguments[1]));
case 3:
return(Apply(transformType, (Tuple)arguments[0], (Tuple)arguments[1], (Tuple)arguments[2]));
default:
return(Apply(transformType, arguments.Cast <object, Tuple>()));
}
}
/// <summary>
/// Applies the transformation.
/// </summary>
/// <param name="transformType">The type of transformation to perform.</param>
/// <param name="sources">Transformation sources.</param>
/// <returns>Transformation result -
/// either <see cref="TransformedTuple"/> or <see cref="Tuple"/> descendant,
/// dependently on specified <paramref name="transformType"/>.</returns>
public Tuple Apply(TupleTransformType transformType, params Tuple[] sources)
{
ArgumentValidator.EnsureArgumentNotNull(sources, "sources");
if (sourceCount > sources.Length)
{
throw new InvalidOperationException(string.Format(Strings.ExTheNumberOfSourcesIsTooSmallExpected, sourceCount));
}
switch (sourceCount)
{
case 1:
return(Apply(transformType, sources[0]));
case 2:
return(Apply(transformType, sources[0], sources[1]));
case 3:
return(Apply(transformType, sources[0], sources[1], sources[2]));
default:
switch (transformType)
{
case TupleTransformType.Auto:
foreach (Tuple tuple in sources)
{
if (tuple is TransformedTuple)
{
goto case TupleTransformType.Tuple;
}
}
goto case TupleTransformType.TransformedTuple;
case TupleTransformType.TransformedTuple:
return(new MapTransformTuple(this, sources));
case TupleTransformType.Tuple:
Tuple result = Tuple.Create(Descriptor);
sources.CopyTo(result, map);
return(result);
default:
throw new ArgumentOutOfRangeException("transformType");
}
}
}
/// <summary>
/// Typed version of <see cref="Apply(TupleTransformType,object[])"/>.
/// </summary>
/// <param name="transformType">The type of transformation to perform.</param>
/// <param name="source">Transformation argument.</param>
/// <returns>Transformation result -
/// either <see cref="TransformedTuple"/> or <see cref="Tuple"/> descendant,
/// dependently on specified <paramref name="transformType"/>.</returns>
public Tuple Apply(TupleTransformType transformType, Tuple source)
{
switch (transformType)
{
case TupleTransformType.Auto:
// TODO: Implement "Auto" for generated read-only tuples, when they'll be ready
case TupleTransformType.TransformedTuple:
if (source is ReadOnlyTransformTuple)
{
return(source);
}
return(new ReadOnlyTransformTuple(source));
case TupleTransformType.Tuple:
// TODO: Return generated read-only tuple copy
return(new ReadOnlyTransformTuple(source.ToRegular()));
default:
throw new ArgumentOutOfRangeException("transformType");
}
}
/// <see cref="MapTransform.Apply(TupleTransformType,Tuple,Tuple,Tuple)" copy="true" />
public new Tuple Apply(TupleTransformType transformType, Tuple source1, Tuple source2, Tuple source3)
{
return(base.Apply(transformType, source1, source2, source3));
}
/// <inheritdoc/>
public override Tuple Apply(TupleTransformType transformType, params object[] arguments)
{
ArgumentValidator.EnsureArgumentNotNull(arguments, "arguments");
return(Apply(transformType, arguments[0]));
}
/// <inheritdoc/> public abstract Tuple Apply(TupleTransformType transformType, params object[] arguments);
/// <see cref="MapTransform.Apply(TupleTransformType,Tuple)" copy="true" />
public Tuple Apply(TupleTransformType transformType, Tuple source1, T source2)
{
return(Apply(transformType, source1, Tuple.Create(source2)));
}