460 lines
20 KiB
C#
460 lines
20 KiB
C#
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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.Linq;
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using System.Linq.Expressions;
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using System.Reflection;
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namespace CPF.Windows.Json.Deserialize
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{
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internal class ResolveFind<T>
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{
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internal static ResolveDelegate<T> Find()
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{
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Type t = typeof(T);
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return FindTypeIsDefaultImplemented(t) ?? FindTypeIsMeetDefaultCondition(t) ?? FindTypeIsDefaultImplementedBaseType(t) ?? FindTypeIsDefaultImplementedInterface(t) ?? DefaultResolve(t);
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}
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private static ResolveDelegate<T> FindTypeIsDefaultImplemented(Type t)
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{
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if (DeserializeBootTable.Table.DefaultSameTypes.TryGetValue(t, out var member))
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return GenerateLambdaCall(member);
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return null;
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}
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private static ResolveDelegate<T> FindTypeIsMeetDefaultCondition(Type t)
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{
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return IsArray(t) ?? IsEnum(t) ?? IsDynamic(t);
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}
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private static ResolveDelegate<T> FindTypeIsDefaultImplementedBaseType(Type t)
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{
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var baseTypes = t.GetTypeAndBaseTypes();
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//Avoid
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if (DeserializeBootTable.Table.DefaultAvoidTypes.Intersect(baseTypes).Any())
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return GenerateLambdaCall(SpecialConditionsResolve._ReadAvoidNull);
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//BaseType
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foreach (var item in DeserializeBootTable.Table.DefaultImplementedBaseType)
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{
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var implementedType = item.Key;
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foreach (var baseType in baseTypes)
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{
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if (baseType == implementedType)
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{
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return GenerateLambdaCall(item.Value.MethodInfo);
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}
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}
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}
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return null;
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}
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private static ResolveDelegate<T> FindTypeIsDefaultImplementedInterface(Type t)
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{
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var intserfaces = t.GetInterfaces().ToList();
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if (t.IsInterface)
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intserfaces.Add(t);
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foreach (var item in DeserializeBootTable.Table.DefaultImplementedInterfaces)
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{
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var implementedInterfaces = item.Key;
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foreach (var objInterface in intserfaces)
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{
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if (objInterface == implementedInterfaces)
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{
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return GenerateLambdaCall(item.Value.MethodInfo);
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}
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}
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}
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return null;
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}
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private static ResolveDelegate<T> DefaultResolve(Type t)
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{
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Func<ResolveDelegate<T>> func = TypeIsDictionary(t) ?? TypeIsCollection(t) ?? TypeIsSpecial(t);
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if (func != null)
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return func();
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return BuildFactory.Build<T>(DeserializeBuildTypeEnum.KeyValueObject, t);
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}
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private static Func<ResolveDelegate<T>> TypeIsCollection(Type t)
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{
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return TypeIsCollectionInterface(t) ?? TypeIsCollectionType(t);
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}
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private static Func<ResolveDelegate<T>> TypeIsDictionary(Type t)
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{
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return TypeIsDictionaryInterface(t) ?? TypeIsDictionaryType(t);
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}
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private static Func<ResolveDelegate<T>> TypeIsSpecial(Type t)
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{
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if (t.IsGenericType)
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{
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var genericTypeDefinition = t.GetGenericTypeDefinition();
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if (genericTypeDefinition == typeof(Nullable<>))
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return () => GenerateLambdaCall(SpecialConditionsResolve._ReadNullable.MakeGenericMethod(t.GetGenericArguments()[0]));
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else if (genericTypeDefinition == typeof(Lazy<>))
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{
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.Lazy, t);
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}
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else if (genericTypeDefinition == typeof(Lookup<,>))
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{
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}
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else if (genericTypeDefinition == typeof(KeyValuePair<,>))
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{
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var keyType = t.GetGenericArguments()[0];
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var func = IsWrongKeyType(keyType);
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if (func != null)
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return () => func;
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.KeyValuePair, t);
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}
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else if (genericTypeDefinition == typeof(ILookup<,>))
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{
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}
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}
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return null;
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}
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private static Func<ResolveDelegate<T>> TypeIsCollectionInterface(Type t)
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{
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if (t == typeof(IEnumerable) || t == typeof(ICollection) || t == typeof(IList))
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.Collection, t, typeof(List<object>), typeof(List<object>), typeof(object));
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if (t.IsGenericType)
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{
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var genericTypeDefinition = t.GetGenericTypeDefinition();
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var arrayItemType = t.GetGenericArguments()[0];
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if (genericTypeDefinition == typeof(IEnumerable<>) || genericTypeDefinition == typeof(IList<>) || genericTypeDefinition == typeof(ICollection<>))
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.Collection, t, typeof(List<>).MakeGenericType(arrayItemType), typeof(List<>).MakeGenericType(arrayItemType), arrayItemType);
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#if !Net4
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if (genericTypeDefinition == typeof(IReadOnlyList<>) || genericTypeDefinition == typeof(IReadOnlyCollection<>))
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{
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var ctor = typeof(ReadOnlyCollection<>).MakeGenericType(arrayItemType).GetCtorByParameterInterfaceType(typeof(IList<>).MakeGenericType(arrayItemType));
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, typeof(ReadOnlyCollection<>).MakeGenericType(arrayItemType), ctor);
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}
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#endif
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if (genericTypeDefinition == typeof(ISet<>))
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{
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var ctor = typeof(HashSet<>).MakeGenericType(arrayItemType).GetCtorByParameterInterfaceType(typeof(IEnumerable<>).MakeGenericType(arrayItemType));
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, typeof(HashSet<>).MakeGenericType(arrayItemType), ctor);
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}
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}
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return null;
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}
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private static Func<ResolveDelegate<T>> TypeIsDictionaryInterface(Type t)
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{
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if (t == typeof(IDictionary))
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.Dictionary, t, typeof(Dictionary<string, object>), typeof(Dictionary<string, object>), typeof(string), typeof(object));
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if (t.IsGenericType)
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{
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Type[] args = t.GetGenericArguments();
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if (args.Length != 2)
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return null;
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var genericTypeDefinition = t.GetGenericTypeDefinition();
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var keyType = args[0];
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var valueType = args[1];
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if (genericTypeDefinition == typeof(IDictionary<,>))
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.Dictionary, t, typeof(Dictionary<,>).MakeGenericType(keyType, valueType), t, keyType, valueType);
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#if !Net4
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if (genericTypeDefinition == typeof(IReadOnlyDictionary<,>))
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{
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var ctor = typeof(ReadOnlyDictionary<,>).MakeGenericType(keyType, valueType).GetCtorByParameterInterfaceType(typeof(IDictionary<,>).MakeGenericType(keyType, valueType));
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, typeof(ReadOnlyDictionary<,>).MakeGenericType(keyType, valueType), ctor);
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}
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#endif
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}
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return null;
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}
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private static Func<ResolveDelegate<T>> TypeIsCollectionType(Type t)
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{
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if (t.IsInterface)
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return null;
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var intserfaces = t.GetInterfaces();
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bool hasIEnumerableGeneric = false;
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bool hasICollectionGeneric = false;
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bool hasICollection = false;
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bool hasIList = false;
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Type arrayItemType = null;
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Type iCollectionGenericType = null;
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Type iEnumerableGenericType = null;
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foreach (var item in intserfaces)
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{
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if (item.IsGenericType)
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{
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var genericTypeDefinition = item.GetGenericTypeDefinition();
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if (genericTypeDefinition == typeof(IEnumerable<>))
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{
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hasIEnumerableGeneric = true;
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arrayItemType = item.GetGenericArguments()[0];
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iEnumerableGenericType = item;
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}
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else if (genericTypeDefinition == typeof(ICollection<>))
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{
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hasICollectionGeneric = true;
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arrayItemType = item.GetGenericArguments()[0];
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iCollectionGenericType = item;
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}
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}
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else if (item == typeof(ICollection))
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hasICollection = true;
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else if (item == typeof(IList))
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hasIList = true;
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}
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if (hasICollectionGeneric)
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{
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var ctor = t.GetDefaultNoArgCtorOrAppointTypeCtor(iCollectionGenericType);
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if (ctor == null)
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{
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foreach (var item in t.GetConstructors())
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{
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if (item.GetParameters().Length == 1)
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{
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var firstCtor = item.GetParameters()[0];
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if (firstCtor.ParameterType.IsArray || TypeIsCollection(firstCtor.ParameterType) != null)
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{
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, firstCtor.ParameterType, item);
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}
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}
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}
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}
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else if (ctor.GetParameters().Length == 0) //如果空的构造函数，则调用接口Add方法
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{
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.Collection, t, t, iCollectionGenericType, arrayItemType);
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}
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else //如果构造函数为iCollectionGenericType，则注入iCollectionGenericType
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, iCollectionGenericType, ctor);
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}
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if (hasIEnumerableGeneric && hasICollection)
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{
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var ctor = t.GetAppointTypeCtor(iEnumerableGenericType);
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if (ctor == null)
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{
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foreach (var item in t.GetConstructors())
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{
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if (item.GetParameters().Length == 1)
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{
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var firstCtor = item.GetParameters()[0];
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if (firstCtor.ParameterType.IsArray || TypeIsCollection(firstCtor.ParameterType) != null)
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{
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, firstCtor.ParameterType, item);
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}
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}
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}
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}
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else
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, iEnumerableGenericType, ctor);
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}
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if (hasIList)
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{
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var ctor = t.GetDefaultNoArgCtorOrAppointTypeCtor(typeof(IList));
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if (ctor == null)
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{
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foreach (var item in t.GetConstructors())
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{
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if (item.GetParameters().Length == 1)
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{
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var firstCtor = item.GetParameters()[0];
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if (firstCtor.ParameterType.IsArray || TypeIsCollection(firstCtor.ParameterType) != null)
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{
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, firstCtor.ParameterType, item);
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}
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}
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}
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}
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else if (ctor.GetParameters().Length == 0) //如果空的构造函数，则调用接口Add方法
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{
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.Collection, t, t, typeof(IList), typeof(object));
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}
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else //如果构造函数为iCollectionGenericType，则注入iCollectionGenericType
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, typeof(IList), ctor);
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}
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if (hasICollection)
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{
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var ctor = t.GetAppointTypeCtor(typeof(ICollection));
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if (ctor == null)
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{
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foreach (var item in t.GetConstructors())
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{
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if (item.GetParameters().Length == 1)
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{
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var firstCtor = item.GetParameters()[0];
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if (firstCtor.ParameterType.IsArray || TypeIsCollection(firstCtor.ParameterType) != null)
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{
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, firstCtor.ParameterType, item);
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}
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}
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}
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}
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else
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return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, typeof(ICollection), ctor);
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}
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return null;
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}
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private static Func<ResolveDelegate<T>> TypeIsDictionaryType(Type t)
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{
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if (t.IsInterface)
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return null;
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var intserfaces = t.GetInterfaces();
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bool hasIDictionaryGeneric = false;
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bool hasIDictionary = false;
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Type iDictionaryGenericType = null;
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Type keyType = null;
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Type valueType = null;
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foreach (var item in intserfaces)
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{
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if (item.IsGenericType)
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{
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var genericTypeDefinition = item.GetGenericTypeDefinition();
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if (genericTypeDefinition == typeof(IDictionary<,>))
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{
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iDictionaryGenericType = item;
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hasIDictionaryGeneric = true;
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keyType = item.GetGenericArguments()[0];
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valueType = item.GetGenericArguments()[1];
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}
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}
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if (item == typeof(IDictionary))
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hasIDictionary = true;
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}
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if (hasIDictionaryGeneric)
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{
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var ctor = t.GetDefaultNoArgCtorOrAppointTypeCtor(iDictionaryGenericType);
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if (ctor == null)
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{
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foreach (var item in t.GetConstructors())
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{
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if (item.GetParameters().Length == 1)
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{
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|
var firstCtor = item.GetParameters()[0];
|
|||
|
|
if (TypeIsDictionary(firstCtor.ParameterType) != null)
|
|||
|
|
{
|
|||
|
|
return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, firstCtor.ParameterType, item);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (ctor.GetParameters().Length == 0)
|
|||
|
|
{
|
|||
|
|
return () => IsWrongKeyType(keyType) ?? BuildFactory.Build<T>(DeserializeBuildTypeEnum.Dictionary, t, t, iDictionaryGenericType, keyType, valueType);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, iDictionaryGenericType, ctor);
|
|||
|
|
}
|
|||
|
|
if (hasIDictionary)
|
|||
|
|
{
|
|||
|
|
var ctor = t.GetDefaultNoArgCtorOrAppointTypeCtor(typeof(IDictionary));
|
|||
|
|
|
|||
|
|
if (ctor == null)
|
|||
|
|
{
|
|||
|
|
foreach (var item in t.GetConstructors())
|
|||
|
|
{
|
|||
|
|
if (item.GetParameters().Length == 1)
|
|||
|
|
{
|
|||
|
|
var firstCtor = item.GetParameters()[0];
|
|||
|
|
if (TypeIsDictionary(firstCtor.ParameterType) != null)
|
|||
|
|
{
|
|||
|
|
return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, firstCtor.ParameterType, item);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (ctor.GetParameters().Length == 0)
|
|||
|
|
{
|
|||
|
|
return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.Dictionary, t, t, typeof(IDictionary), typeof(string), typeof(object));
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
return () => BuildFactory.Build<T>(DeserializeBuildTypeEnum.CtorInject, t, typeof(IDictionary), ctor);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static ResolveDelegate<T> IsArray(Type t)
|
|||
|
|
{
|
|||
|
|
if (t.IsArray)
|
|||
|
|
{
|
|||
|
|
int rank = t.GetArrayRank();
|
|||
|
|
if (rank == 1)
|
|||
|
|
return BuildFactory.Build<T>(DeserializeBuildTypeEnum.Array, t);
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
Type sawtoothType = t.GetElementType();
|
|||
|
|
int i = rank;
|
|||
|
|
while (i-- > 0)
|
|||
|
|
{
|
|||
|
|
var obj = Array.CreateInstance(sawtoothType, 0);
|
|||
|
|
sawtoothType = obj.GetType();
|
|||
|
|
}
|
|||
|
|
return BuildFactory.Build<T>(DeserializeBuildTypeEnum.MultiArray, t, sawtoothType, rank);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
private static ResolveDelegate<T> IsEnum(Type t)
|
|||
|
|
{
|
|||
|
|
if (t.IsEnum)
|
|||
|
|
return GenerateLambdaCallWithEnqueueType(SpecialConditionsResolve._ReadEnum, t);
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
private static ResolveDelegate<T> IsDynamic(Type t)
|
|||
|
|
{
|
|||
|
|
if (t.IsAnonymousType())
|
|||
|
|
return BuildFactory.Build<T>(DeserializeBuildTypeEnum.Dynamic, t);
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
private static ResolveDelegate<T> IsWrongKeyType(Type keyType)
|
|||
|
|
{
|
|||
|
|
if (keyType.IsWrongKey())
|
|||
|
|
return BuildFactory.Build<T>(DeserializeBuildTypeEnum.WrongGenericKey);
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
private static ResolveDelegate<T> GenerateLambdaCall(MethodInfo methodInfo)
|
|||
|
|
{
|
|||
|
|
ParameterExpression readerArg = Expression.Parameter(typeof(JsonReader), "reader");
|
|||
|
|
ParameterExpression handlerArg = Expression.Parameter(typeof(JsonDeserializeHandler), "handler");
|
|||
|
|
var body = Expression.Call(methodInfo, readerArg, handlerArg);
|
|||
|
|
return Expression.Lambda<ResolveDelegate<T>>(body, readerArg, handlerArg).Compile();
|
|||
|
|
}
|
|||
|
|
private static ResolveDelegate<T> GenerateLambdaCallWithEnqueueType(MethodInfo methodInfo, Type t)
|
|||
|
|
{
|
|||
|
|
ParameterExpression readerArg = Expression.Parameter(typeof(JsonReader), "reader");
|
|||
|
|
ParameterExpression handlerArg = Expression.Parameter(typeof(JsonDeserializeHandler), "handler");
|
|||
|
|
MemberExpression option = Expression.MakeMemberAccess(handlerArg, JsonDeserializeHandler._Types);
|
|||
|
|
LabelTarget label = Expression.Label(t);
|
|||
|
|
var body = Expression.Block(Expression.Call(option, typeof(Queue<Type>).GetMethod("Enqueue"), Expression.Constant(t, typeof(Type)))
|
|||
|
|
, Expression.Return(label, Expression.Convert(Expression.Call(methodInfo, readerArg, handlerArg), t)),
|
|||
|
|
Expression.Label(label, Expression.Convert(Expression.Call(methodInfo, readerArg, handlerArg), t))
|
|||
|
|
);
|
|||
|
|
return Expression.Lambda<ResolveDelegate<T>>(body, readerArg, handlerArg).Compile();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|