using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Reflection;
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using DPumpHydr.WinFrmUI.WenSkin.Json.Utilities;
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namespace DPumpHydr.WinFrmUI.WenSkin.Json.Serialization
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{
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/// <summary>
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/// Contract details for a <see cref="T:System.Type" /> used by the <see cref="T:Newtonsoft.Json.JsonSerializer" />.
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/// </summary>
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public class JsonArrayContract : JsonContainerContract
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{
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private readonly Type _genericCollectionDefinitionType;
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private Type _genericWrapperType;
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private ObjectConstructor<object> _genericWrapperCreator;
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private Func<object> _genericTemporaryCollectionCreator;
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private readonly ConstructorInfo _parameterizedConstructor;
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private ObjectConstructor<object> _parameterizedCreator;
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private ObjectConstructor<object> _overrideCreator;
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/// <summary>
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/// Gets the <see cref="T:System.Type" /> of the collection items.
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/// </summary>
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/// <value>The <see cref="T:System.Type" /> of the collection items.</value>
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public Type CollectionItemType { get; private set; }
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/// <summary>
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/// Gets a value indicating whether the collection type is a multidimensional array.
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/// </summary>
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/// <value><c>true</c> if the collection type is a multidimensional array; otherwise, <c>false</c>.</value>
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public bool IsMultidimensionalArray { get; private set; }
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internal bool IsArray { get; private set; }
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internal bool ShouldCreateWrapper { get; private set; }
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internal bool CanDeserialize { get; private set; }
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internal ObjectConstructor<object> ParameterizedCreator
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{
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get
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{
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if (_parameterizedCreator == null)
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{
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_parameterizedCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParameterizedConstructor(_parameterizedConstructor);
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}
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return _parameterizedCreator;
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}
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}
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/// <summary>
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/// Gets or sets the function used to create the object. When set this function will override <see cref="P:Newtonsoft.Json.Serialization.JsonContract.DefaultCreator" />.
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/// </summary>
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/// <value>The function used to create the object.</value>
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public ObjectConstructor<object> OverrideCreator
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{
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get
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{
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return _overrideCreator;
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}
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set
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{
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_overrideCreator = value;
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CanDeserialize = true;
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}
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}
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/// <summary>
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/// Gets a value indicating whether the creator has a parameter with the collection values.
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/// </summary>
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/// <value><c>true</c> if the creator has a parameter with the collection values; otherwise, <c>false</c>.</value>
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public bool HasParameterizedCreator { get; set; }
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internal bool HasParameterizedCreatorInternal
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{
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get
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{
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if (!HasParameterizedCreator && _parameterizedCreator == null)
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{
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return _parameterizedConstructor != null;
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}
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return true;
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}
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="T:Newtonsoft.Json.Serialization.JsonArrayContract" /> class.
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/// </summary>
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/// <param name="underlyingType">The underlying type for the contract.</param>
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public JsonArrayContract(Type underlyingType)
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: base(underlyingType)
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{
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ContractType = JsonContractType.Array;
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IsArray = base.CreatedType.IsArray;
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bool canDeserialize;
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Type implementingType;
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if (IsArray)
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{
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CollectionItemType = ReflectionUtils.GetCollectionItemType(base.UnderlyingType);
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IsReadOnlyOrFixedSize = true;
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_genericCollectionDefinitionType = typeof(List<>).MakeGenericType(CollectionItemType);
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canDeserialize = true;
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IsMultidimensionalArray = IsArray && base.UnderlyingType.GetArrayRank() > 1;
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}
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else if (typeof(IList).IsAssignableFrom(underlyingType))
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{
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if (ReflectionUtils.ImplementsGenericDefinition(underlyingType, typeof(ICollection<>), out _genericCollectionDefinitionType))
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{
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CollectionItemType = _genericCollectionDefinitionType.GetGenericArguments()[0];
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}
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else
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{
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CollectionItemType = ReflectionUtils.GetCollectionItemType(underlyingType);
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}
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if (underlyingType == typeof(IList))
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{
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base.CreatedType = typeof(List<object>);
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}
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if (CollectionItemType != null)
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{
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_parameterizedConstructor = CollectionUtils.ResolveEnumerableCollectionConstructor(underlyingType, CollectionItemType);
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}
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IsReadOnlyOrFixedSize = ReflectionUtils.InheritsGenericDefinition(underlyingType, typeof(ReadOnlyCollection<>));
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canDeserialize = true;
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}
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else if (ReflectionUtils.ImplementsGenericDefinition(underlyingType, typeof(ICollection<>), out _genericCollectionDefinitionType))
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{
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CollectionItemType = _genericCollectionDefinitionType.GetGenericArguments()[0];
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if (ReflectionUtils.IsGenericDefinition(underlyingType, typeof(ICollection<>)) || ReflectionUtils.IsGenericDefinition(underlyingType, typeof(IList<>)))
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{
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base.CreatedType = typeof(List<>).MakeGenericType(CollectionItemType);
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}
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if (ReflectionUtils.IsGenericDefinition(underlyingType, typeof(ISet<>)))
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{
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base.CreatedType = typeof(HashSet<>).MakeGenericType(CollectionItemType);
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}
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_parameterizedConstructor = CollectionUtils.ResolveEnumerableCollectionConstructor(underlyingType, CollectionItemType);
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canDeserialize = true;
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ShouldCreateWrapper = true;
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}
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else if (ReflectionUtils.ImplementsGenericDefinition(underlyingType, typeof(IReadOnlyCollection<>), out implementingType))
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{
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CollectionItemType = implementingType.GetGenericArguments()[0];
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if (ReflectionUtils.IsGenericDefinition(underlyingType, typeof(IReadOnlyCollection<>)) || ReflectionUtils.IsGenericDefinition(underlyingType, typeof(IReadOnlyList<>)))
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{
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base.CreatedType = typeof(ReadOnlyCollection<>).MakeGenericType(CollectionItemType);
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}
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_genericCollectionDefinitionType = typeof(List<>).MakeGenericType(CollectionItemType);
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_parameterizedConstructor = CollectionUtils.ResolveEnumerableCollectionConstructor(base.CreatedType, CollectionItemType);
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IsReadOnlyOrFixedSize = true;
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canDeserialize = HasParameterizedCreatorInternal;
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}
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else if (ReflectionUtils.ImplementsGenericDefinition(underlyingType, typeof(IEnumerable<>), out implementingType))
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{
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CollectionItemType = implementingType.GetGenericArguments()[0];
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if (ReflectionUtils.IsGenericDefinition(base.UnderlyingType, typeof(IEnumerable<>)))
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{
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base.CreatedType = typeof(List<>).MakeGenericType(CollectionItemType);
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}
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_parameterizedConstructor = CollectionUtils.ResolveEnumerableCollectionConstructor(underlyingType, CollectionItemType);
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if (!HasParameterizedCreatorInternal && underlyingType.Name == "FSharpList`1")
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{
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FSharpUtils.EnsureInitialized(underlyingType.Assembly());
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_parameterizedCreator = FSharpUtils.CreateSeq(CollectionItemType);
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}
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if (underlyingType.IsGenericType() && underlyingType.GetGenericTypeDefinition() == typeof(IEnumerable<>))
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{
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_genericCollectionDefinitionType = implementingType;
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IsReadOnlyOrFixedSize = false;
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ShouldCreateWrapper = false;
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canDeserialize = true;
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}
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else
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{
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_genericCollectionDefinitionType = typeof(List<>).MakeGenericType(CollectionItemType);
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IsReadOnlyOrFixedSize = true;
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ShouldCreateWrapper = true;
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canDeserialize = HasParameterizedCreatorInternal;
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}
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}
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else
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{
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canDeserialize = false;
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ShouldCreateWrapper = true;
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}
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CanDeserialize = canDeserialize;
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if (ImmutableCollectionsUtils.TryBuildImmutableForArrayContract(underlyingType, CollectionItemType, out var createdType, out var parameterizedCreator))
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{
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base.CreatedType = createdType;
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_parameterizedCreator = parameterizedCreator;
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IsReadOnlyOrFixedSize = true;
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CanDeserialize = true;
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}
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}
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internal IWrappedCollection CreateWrapper(object list)
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{
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if (_genericWrapperCreator == null)
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{
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_genericWrapperType = typeof(CollectionWrapper<>).MakeGenericType(CollectionItemType);
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Type type = ((!ReflectionUtils.InheritsGenericDefinition(_genericCollectionDefinitionType, typeof(List<>)) && !(_genericCollectionDefinitionType.GetGenericTypeDefinition() == typeof(IEnumerable<>))) ? _genericCollectionDefinitionType : typeof(ICollection<>).MakeGenericType(CollectionItemType));
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ConstructorInfo constructor = _genericWrapperType.GetConstructor(new Type[1] { type });
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_genericWrapperCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParameterizedConstructor(constructor);
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}
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return (IWrappedCollection)_genericWrapperCreator(list);
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}
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internal IList CreateTemporaryCollection()
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{
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if (_genericTemporaryCollectionCreator == null)
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{
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Type type = ((IsMultidimensionalArray || CollectionItemType == null) ? typeof(object) : CollectionItemType);
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Type type2 = typeof(List<>).MakeGenericType(type);
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_genericTemporaryCollectionCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateDefaultConstructor<object>(type2);
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}
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return (IList)_genericTemporaryCollectionCreator();
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}
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}
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}
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