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);
}
}
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);
}
public static void Resolve(Type type, string path, Action<PropertyInfo, ExtendedType> action)
{
var propertyNames = path.Split('.');
var containerType = type;
foreach (var propertyName in propertyNames) {
var property = containerType.GetProperty(propertyName);
var extendedPropertyType = new ExtendedType(property.PropertyType);
containerType = extendedPropertyType.Class == TypeClass.Collection
? extendedPropertyType.Container.AsCollection().ElementType
: property.PropertyType;
action(property, extendedPropertyType);
}
}
public DictionaryMembers(ExtendedType dictionaryType)
{
var container = dictionaryType.Container.AsDictionary();
KeyType = container.KeyType;
ValueType = container.ValueType;
ElementType = container.ElementType;
VariableType = typeof (IDictionary<,>).MakeGenericType(KeyType, ValueType);
Add = VariableType.GetMethod("Add", new[] {KeyType, ValueType});
var instanceType = dictionaryType.Ref.IsInterface
? typeof (Dictionary<,>).MakeGenericType(KeyType, ValueType)
: dictionaryType.Ref;
Constructor = instanceType.GetConstructor(Type.EmptyTypes);
if (Constructor == null) throw InvalidGraphException.NoParameterLessConstructor(dictionaryType.Ref);
}
public static bool TryGetComplexTypes(ExtendedType type, out Type[] types)
{
if (type.Class == TypeClass.Complex) {
types = new[] { type.Ref };
return true;
}
if (type.Class == TypeClass.Nullable) {
var elementType = type.Container.AsNullable().ElementType.Extend();
return TryGetComplexTypes(elementType, out types);
}
if (type.Class == TypeClass.Dictionary) {
var container = type.Container.AsDictionary();
Type[] keyTypes;
var hasKeyTypes = TryGetComplexTypes(container.KeyType.Extend(), out keyTypes);
Type[] valueTypes;
var hasValueTypes = TryGetComplexTypes(container.ValueType.Extend(), out valueTypes);
if (!hasKeyTypes && !hasValueTypes) {
types = null;
return false;
}
if (hasKeyTypes && hasValueTypes) types = keyTypes.Concat(valueTypes).ToArray();
else if (hasKeyTypes) types = keyTypes;
else types = valueTypes;
return true;
}
if (type.Class == TypeClass.Collection) {
var elementType = type.Container.AsCollection().ElementType.Extend();
return TryGetComplexTypes(elementType, out types);
}
types = null;
return false;
}
private ILCodeParameter GenerateCollectionContent(ExtendedType target, string refName)
{
var collectionMembers = new CollectionMembers(target);
var isValueType = collectionMembers.ElementType.IsValueType;
var collectionLocal = _il.DeclareLocal("collection", collectionMembers.VariableType);
_il.Construct(collectionMembers.Constructor);
_il.Cast(collectionMembers.VariableType);
_il.Var.Set(collectionLocal);
var valueLocal = DeclareCollectionItemLocal("cv", collectionMembers.ElementType); ;
if (collectionMembers.ElementTypeExt.IsValueOrNullableOfValue()) {
_il.Snippets.WhileLoop(il => { // While condition
_il.Snippets.InvokeMethod(_visitorVariable, Members.VisitorTryVisitValue[collectionMembers.ElementType], Members.VisitArgsCollectionItem, valueLocal);
var valueNotFoundLabel = _il.DefineLabel();
_il.TransferLongIfFalse(valueNotFoundLabel);
if (isValueType) {
_il.Snippets.InvokeMethod(valueLocal, Members.Nullable[collectionMembers.ElementType].GetHasValue);
}
else {
_il.Snippets.AreEqual(valueLocal, ILCodeParameter.Null);
_il.Negate();
}
var isNullLabel = _il.DefineLabel();
_il.TransferLong(isNullLabel);
_il.MarkLabel(valueNotFoundLabel);
_il.LoadValue(0);
_il.MarkLabel(isNullLabel);
}, il => {
_il.Var.Load(collectionLocal);
GenerateLoadParamValueCode(valueLocal);
_il.CallVirt(collectionMembers.Add);
});
}
else if (collectionMembers.ElementTypeExt.Class == TypeClass.Dictionary) {
_il.Snippets.WhileLoop(il => { // Condition
var callTryVisit = new CallMethodILCode(_visitorVariable, Members.VisitorTryVisit, Members.VisitArgsDictionaryInCollection);
_il.Snippets.AreEqual(callTryVisit, (int)ValueState.Found);
}, il => {
var contentParam = GenerateDictionaryEnumerateCode(collectionMembers.ElementType, refName);
_il.Snippets.InvokeMethod(_visitorVariable, Members.VisitorLeave, Members.VisitArgsDictionaryInCollection);
_il.Snippets.InvokeMethod(collectionLocal, collectionMembers.Add, contentParam);
});
}
else if (collectionMembers.ElementTypeExt.Class == TypeClass.Collection) {
_il.Snippets.WhileLoop(il => { // Condition
var callTryVisit = new CallMethodILCode(_visitorVariable, Members.VisitorTryVisit, Members.VisitArgsCollectionInCollection);
_il.Snippets.AreEqual(callTryVisit, (int)ValueState.Found);
}, il => {
var contentParam = GenerateCollectionContent(collectionMembers.ElementTypeExt, refName);
_il.Snippets.InvokeMethod(_visitorVariable, Members.VisitorLeave, Members.VisitArgsCollectionInCollection);
_il.Snippets.InvokeMethod(collectionLocal, collectionMembers.Add, contentParam);
});
}
else {
_il.Snippets.WhileLoop(il => {
var callTryVisit = new CallMethodILCode(_visitorVariable, Members.VisitorTryVisit, Members.VisitArgsCollectionItem);
_il.Snippets.AreEqual(callTryVisit, (int)ValueState.Found);
}, il => {
GenerateCreateAndChildCallCode(valueLocal);
_il.Snippets.InvokeMethod(_visitorVariable, Members.VisitorLeave, Members.VisitArgsCollectionItem);
_il.Snippets.InvokeMethod(collectionLocal, collectionMembers.Add, valueLocal);
});
}
if (target.Ref.IsArray)
return new CallMethodILCode(collectionMembers.ToArray, collectionLocal);
return collectionLocal;
}
private TypeReflectionContext(Type type)
{
_type = type;
_extended = type.Extend();
_properties = new Lazy<IList<PropertyReflectionContext>>(() => ParseProperties(type));
}
private ILCodeParameter GetContentVisitArgs(ExtendedType type, LevelType level)
{
if (!type.IsValueOrNullableOfValue()) {
if (type.Class == TypeClass.Dictionary) {
if (level == LevelType.DictionaryKey)
return Members.VisitArgsDictionaryInDictionaryKey;
if (level == LevelType.DictionaryValue)
return Members.VisitArgsDictionaryInDictionaryValue;
return Members.VisitArgsDictionaryInCollection;
}
if (type.Class == TypeClass.Collection) {
if (level == LevelType.DictionaryKey)
return Members.VisitArgsCollectionInDictionaryKey;
if (level == LevelType.DictionaryValue)
return Members.VisitArgsCollectionInDictionaryValue;
return Members.VisitArgsCollectionInCollection;
}
}
if (level == LevelType.DictionaryKey)
return Members.VisitArgsDictionaryKey;
if (level == LevelType.DictionaryValue)
return Members.VisitArgsDictionaryValue;
return Members.VisitArgsCollectionItem;
}
public SerializableProperty(PropertyInfo @ref, SerializationMetadata metadata)
{
_ref = @ref;
_metadata = metadata;
_ext = _ref.PropertyType.Extend();
}