public CollectionMembers(ExtendedType collectionType)
{
ArrayContainerTypeInfo arrayTypeInfo;
if (collectionType.TryGetArrayTypeInfo(out arrayTypeInfo)) {
if (arrayTypeInfo.Ranks > 3)
throw new NotSupportedException("The serialization engine is limited to 3 ranks in arrays");
if (arrayTypeInfo.Ranks == 3) {
var baseType = typeof (ICollection<>);
ElementType = baseType.MakeGenericType(baseType.MakeGenericType(arrayTypeInfo.ElementType));
ToArray = typeof (ArrayProvider).GetMethod("To3DArray").MakeGenericMethod(arrayTypeInfo.ElementType);
}
else if (arrayTypeInfo.Ranks == 2) {
ElementType = typeof (ICollection<>).MakeGenericType(arrayTypeInfo.ElementType);
ToArray = typeof(ArrayProvider).GetMethod("To2DArray").MakeGenericMethod(arrayTypeInfo.ElementType);
}
else {
ElementType = arrayTypeInfo.ElementType;
ToArray = typeof(ArrayProvider).GetMethod("ToArray").MakeGenericMethod(arrayTypeInfo.ElementType);
}
}
else {
ElementType = collectionType.Container.AsCollection().ElementType;
}
ElementTypeExt = ElementType.Extend();
VariableType = typeof (ICollection<>).MakeGenericType(ElementType);
Add = VariableType.GetMethod("Add", new[] { ElementType });
var instanceType = collectionType.Ref.IsInterface || collectionType.Ref.IsArray
? typeof(List<>).MakeGenericType(ElementType)
: collectionType.Ref;
Constructor = instanceType.GetConstructor(Type.EmptyTypes);
if (Constructor == null) throw InvalidGraphException.NoParameterLessConstructor(collectionType.Ref);
}
private void GenerateEnumerateCollectionContentCode(ExtendedType target, ILCodeParameter collectionParameter)
{
ArrayContainerTypeInfo arrayTypeInfo;
if (target.TryGetArrayTypeInfo(out arrayTypeInfo) && arrayTypeInfo.Ranks > 1) {
if (arrayTypeInfo.Ranks > 3)
throw new NotSupportedException("The serialization engine is limited to 3 ranks in arrays");
_il.Snippets.ForLoop(0, new CallMethodILCode(collectionParameter, Members.ArrayGetLength, 0), 1,
r0 => {
_il.Snippets.InvokeMethod(_visitorVariable, Members.VisitorVisit, collectionParameter, Members.VisitArgsCollectionInCollection);
_il.Snippets.ForLoop(0, new CallMethodILCode(collectionParameter, Members.ArrayGetLength, 1), 1,
r1 => {
if (arrayTypeInfo.Ranks > 2) {
_il.Snippets.InvokeMethod(_visitorVariable, Members.VisitorVisit, collectionParameter, Members.VisitArgsCollectionInCollection);
_il.Snippets.ForLoop(0, new CallMethodILCode(collectionParameter, Members.ArrayGetLength, 1), 1,
r2 => GenerateEnumerateContentCode(
new CallMethodILCode(collectionParameter, target.Ref.GetMethod("Get"), r0, r1, r2),
LevelType.CollectionItem));
_il.Snippets.InvokeMethod(_visitorVariable, Members.VisitorLeave, collectionParameter, Members.VisitArgsCollectionInCollection);
}
else {
GenerateEnumerateContentCode(new CallMethodILCode(collectionParameter, target.Ref.GetMethod("Get"), r0, r1), LevelType.CollectionItem);
}
});
_il.Snippets.InvokeMethod(_visitorVariable, Members.VisitorLeave, collectionParameter, Members.VisitArgsCollectionInCollection);
});
}
else {
var part = new ILEnumerateCode(collectionParameter, (il, it) => GenerateEnumerateContentCode(it, LevelType.CollectionItem));
_il.Generate(part);
}
}