private object ReadList(XPathResult result, IDictionaryAdapter dictionaryAdapter) { Type listType = null, initializerType = null; var arguments = result.Type.GetGenericArguments(); var genericDef = result.Type.GetGenericTypeDefinition(); var itemType = arguments[0]; Func<Type, XmlMetadata> getXmlMeta = type => dictionaryAdapter.GetXmlMeta(type); var itemNodes = result.GetNodes(itemType, getXmlMeta); if (itemNodes == null) return null; if (genericDef == typeof(IEnumerable<>) || genericDef == typeof(ICollection<>) || genericDef == typeof(List<>)) { listType = typeof(EditableList<>).MakeGenericType(arguments); } else if ( #if !DOTNET35 //NOTE: what about SortedSet? genericDef == typeof(ISet<>) || #endif genericDef == typeof(HashSet<>)) { listType = typeof(List<>).MakeGenericType(arguments); } else { listType = typeof(EditableBindingList<>).MakeGenericType(arguments); initializerType = typeof(BindingListInitializer<>).MakeGenericType(arguments); } var list = (IList)Activator.CreateInstance(listType); foreach (var item in itemNodes) { list.Add(ReadProperty(item, false, dictionaryAdapter)); } if ( #if !DOTNET35 //NOTE: what about SortedSet? genericDef == typeof(ISet<>) || #endif genericDef == typeof(HashSet<>)) { return Activator.CreateInstance(typeof(HashSet<>).MakeGenericType(arguments), list); } if (initializerType != null) { Func<object> addNew = () => { var node = result.CreateNode(itemType, null, getXmlMeta); return ReadProperty(node, false, dictionaryAdapter); }; Func<int, object, object> addAt = (index, item) => { var node = result.CreateNode(itemType, item, getXmlMeta); WriteProperty(node, ref item, dictionaryAdapter); return item; }; Func<int, object, object> setAt = (index, item) => { var node = result.GetNodeAt(itemType, index); WriteProperty(node, ref item, dictionaryAdapter); return item; }; Action<int> removeAt = index => { object value = list; if (dictionaryAdapter.ShouldClearProperty(result.Property, value)) { result.Remove(true); return; } result.RemoveAt(index); }; Action reset = () => { object value = list; if (dictionaryAdapter.ShouldClearProperty(result.Property, value)) { result.Remove(true); return; } WriteCollection(result, ref value, dictionaryAdapter); }; var initializer = (IValueInitializer)Activator.CreateInstance( initializerType, addAt, addNew, setAt, removeAt, reset); initializer.Initialize(dictionaryAdapter, list); } return list; }
private object ReadList(XPathResult result, IDictionaryAdapter dictionaryAdapter) { Type listType = null, initializerType = null; var arguments = result.Type.GetGenericArguments(); var genericDef = result.Type.GetGenericTypeDefinition(); var itemType = arguments[0]; if (genericDef == typeof(List<>)) { listType = typeof(EditableList<>).MakeGenericType(arguments); } else { listType = typeof(EditableBindingList<>).MakeGenericType(arguments); initializerType = typeof(BindingListInitializer<>).MakeGenericType(arguments); } var list = (IList)Activator.CreateInstance(listType); Func<Type, XmlMetadata> getXmlMeta = type => dictionaryAdapter.GetXmlMeta(type); foreach (var item in result.GetNodes(itemType, getXmlMeta)) { list.Add(ReadProperty(item, false, dictionaryAdapter)); } if (initializerType != null) { Func<object> addNew = () => { var node = result.CreateNode(itemType, null, getXmlMeta); return ReadProperty(node, false, dictionaryAdapter); }; Action<int, object> addAt = (index, item) => { var node = result.CreateNode(itemType, item, getXmlMeta); WriteProperty(node, item, dictionaryAdapter); }; Action<int, object> setAt = (index, item) => { var node = result.GetNodeAt(itemType, index); WriteProperty(node, item, dictionaryAdapter); }; Action<int> removeAt = index => result.RemoveAt(index); var initializer = (IValueInitializer)Activator.CreateInstance( initializerType, addAt, addNew, setAt, removeAt); initializer.Initialize(dictionaryAdapter, list); } return list; }