public static TDestinationElement[] Map <TSource, TSourceElement, TDestinationElement>(TSource source, ResolutionContext context)
where TSource : IEnumerable
{
if (source == null)
{
return(context.Mapper.ShouldMapSourceCollectionAsNull(context) ? null : new TDestinationElement[0]);
}
if (context.DestinationType.IsAssignableFrom(context.SourceType))
{
var elementTypeMap = context.ConfigurationProvider.ResolveTypeMap(typeof(TSourceElement), typeof(TDestinationElement));
if (elementTypeMap == null)
{
return(source as TDestinationElement[]);
}
}
var itemContext = new ResolutionContext(context);
return(source.Cast <TSourceElement>()
.Select(item => (TDestinationElement)itemContext.Map(item, null, typeof(TSourceElement), typeof(TDestinationElement)))
.ToArray());
}
private static Array Map <TDestination, TSource, TSourceElement>(TSource source, ResolutionContext context, IConfigurationProvider configurationProvider)
where TSource : IEnumerable
{
var sourceArray = source as Array;
var destElementType = ElementTypeHelper.GetElementType(typeof(TDestination));
if (typeof(TDestination).IsAssignableFrom(typeof(TSource)))
{
var elementTypeMap = configurationProvider.ResolveTypeMap(typeof(TSourceElement), destElementType);
if (elementTypeMap == null)
{
return(sourceArray);
}
}
var destinationArray = Array.CreateInstance(destElementType, Enumerable.Range(0, sourceArray.Rank).Select(sourceArray.GetLength).ToArray());
var filler = new MultidimensionalArrayFiller(destinationArray);
foreach (var item in source)
{
filler.NewValue(context.Map(item, null, typeof(TSourceElement), destElementType, null));
}
return(destinationArray);
}
public static object Map(this ResolutionContext context, MemberInfo member, object value)
{
var memberType = member.GetMemberType();
return(context.Map(value, null, value?.GetType() ?? memberType, memberType));
}
