/// <summary>
/// 获取成员转换函数信息
/// </summary>
/// <param name="type">成员类型</param>
/// <param name="isCustom"></param>
/// <returns>成员转换函数信息</returns>
internal static MethodInfo GetMemberMethodInfo(Type type, ref bool isCustom)
{
MethodInfo methodInfo = JsonDeSerializer.GetDeSerializeMethod(type);
if (methodInfo != null)
{
return(methodInfo);
}
if (type.IsArray)
{
return(GenericType.Get(type.GetElementType()).JsonDeSerializeArrayMethod.Method);
}
if (type.IsEnum)
{
if (type.IsDefined(typeof(FlagsAttribute), false))
{
return((EnumGenericType.Get(type).JsonDeSerializeEnumFlagsDelegate).Method);
}
return((EnumGenericType.Get(type).JsonDeSerializeEnumDelegate).Method);
}
if (type.IsGenericType)
{
Type genericType = type.GetGenericTypeDefinition();
if (genericType == typeof(Dictionary <,>))
{
return(GenericType2.Get(type.GetGenericArguments()).JsonDeSerializeDictionaryMethod.Method);
}
if (genericType == typeof(Nullable <>))
{
return(GetNullable(type).Method);
}
if (genericType == typeof(KeyValuePair <,>))
{
return(GenericType2.Get(type.GetGenericArguments()).JsonDeSerializeKeyValuePairMethod.Method);
}
}
if ((methodInfo = GetCustom(type)) != null)
{
isCustom = type.IsValueType;
return(methodInfo);
}
if ((methodInfo = GetIEnumerableConstructor(type)) != null)
{
return(methodInfo);
}
if (type.IsValueType)
{
return(StructGenericType.Get(type).JsonDeSerializeStructMethod);
}
return(GenericType.Get(type).JsonDeSerializeTypeMethod);
}
static TypeDeSerializer()
{
Type type = typeof(T);
MethodInfo methodInfo = JsonDeSerializer.GetDeSerializeMethod(type);
if (methodInfo != null)
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)Delegate.CreateDelegate(typeof(JsonDeSerializer.DeSerializeDelegate <T>), methodInfo);
return;
}
if (type.IsArray)
{
if (type.GetArrayRank() == 1)
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)GenericType.Get(type.GetElementType()).JsonDeSerializeArrayMethod;
}
else
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)GenericType.Get(type).JsonDeSerializeNotSupportDelegate;
}
return;
}
if (type.IsEnum)
{
if (type.IsDefined(typeof(FlagsAttribute), false))
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)EnumGenericType.Get(type).JsonDeSerializeEnumFlagsDelegate;
}
else
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)EnumGenericType.Get(type).JsonDeSerializeEnumDelegate;
}
return;
}
if (type.isSerializeNotSupport())
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)GenericType.Get(type).JsonDeSerializeNotSupportDelegate;
return;
}
if (type.IsGenericType)
{
Type genericType = type.GetGenericTypeDefinition();
if (genericType == typeof(Dictionary <,>))
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)GenericType2.Get(type.GetGenericArguments()).JsonDeSerializeDictionaryMethod;
return;
}
if (genericType == typeof(Nullable <>))
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)DeSerializeMethodCache.GetNullable(type);
return;
}
if (genericType == typeof(KeyValuePair <,>))
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)GenericType2.Get(type.GetGenericArguments()).JsonDeSerializeKeyValuePairMethod;
isValueType = true;
return;
}
}
if ((methodInfo = DeSerializeMethodCache.GetCustom(type)) != null)
{
if (type.IsValueType)
{
#if NOJIT
DefaultDeSerializer = new CustomDeSerializer(methodInfo).DeSerialize;
#else
DynamicMethod dynamicMethod = new DynamicMethod("CustomJsonDeSerializer", null, new Type[] { typeof(JsonDeSerializer), type.MakeByRefType() }, type, true);
ILGenerator generator = dynamicMethod.GetILGenerator();
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Ldarg_0);
generator.call(methodInfo);
generator.Emit(OpCodes.Ret);
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)dynamicMethod.CreateDelegate(typeof(JsonDeSerializer.DeSerializeDelegate <T>));
#endif
}
else
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)Delegate.CreateDelegate(typeof(JsonDeSerializer.DeSerializeDelegate <T>), methodInfo);
}
}
else
{
Type attributeType;
attribute = type.customAttribute <JsonDeSerializeAttribute>(out attributeType) ?? JsonDeSerializer.AllMemberAttribute;
if ((methodInfo = DeSerializeMethodCache.GetIEnumerableConstructor(type)) != null)
{
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)Delegate.CreateDelegate(typeof(JsonDeSerializer.DeSerializeDelegate <T>), methodInfo);
}
else
{
if (type.IsValueType)
{
isValueType = true;
}
else if (attribute != JsonDeSerializer.AllMemberAttribute && attributeType != type)
{
for (Type baseType = type.BaseType; baseType != typeof(object); baseType = baseType.BaseType)
{
JsonDeSerializeAttribute baseAttribute = baseType.customAttribute <JsonDeSerializeAttribute>();
if (baseAttribute != null)
{
if (baseAttribute.IsBaseType)
{
methodInfo = DeSerializeMethodCache.BaseDeSerializeMethod.MakeGenericMethod(baseType, type);
DefaultDeSerializer = (JsonDeSerializer.DeSerializeDelegate <T>)Delegate.CreateDelegate(typeof(JsonDeSerializer.DeSerializeDelegate <T>), methodInfo);
return;
}
break;
}
}
}
FieldIndex defaultMember = null;
LeftArray <FieldIndex> fields = DeSerializeMethodCache.GetFields(MemberIndexGroup <T> .GetFields(attribute.MemberFilters), attribute, ref defaultMember);
LeftArray <KeyValue <PropertyIndex, MethodInfo> > properties = DeSerializeMethodCache.GetProperties(MemberIndexGroup <T> .GetProperties(attribute.MemberFilters), attribute);
bool isBox = false;
if (type.IsValueType && fields.Length + properties.Length == 1)
{
BoxSerializeAttribute boxSerialize = AutoCSer.Metadata.TypeAttribute.GetAttribute <BoxSerializeAttribute>(type);
if (boxSerialize != null && boxSerialize.IsJson)
{
isBox = true;
defaultMember = null;
}
}
TryDeSerializeFilter[] deSerializers = new TryDeSerializeFilter[fields.Length + properties.Length + (defaultMember == null ? 0 : 1)];
//memberMap.type memberMapType = memberMap<valueType>.TypeInfo;
string[] names = isBox ? null : new string[deSerializers.Length];
#if !NOJIT
DeSerializeDynamicMethod dynamicMethod = isBox ? default(DeSerializeDynamicMethod) : new DeSerializeDynamicMethod(type, false), memberMapDynamicMethod = isBox ? default(DeSerializeDynamicMethod) : new DeSerializeDynamicMethod(type, true);
#endif
int index = 0, nameLength = 0, maxNameLength = 0;
foreach (FieldIndex member in fields)
{
TryDeSerializeFilter tryDeSerialize = deSerializers[index] = new TryDeSerializeFilter
{
#if NOJIT
TryDeSerialize = new FieldDeSerializer(member.Member).DeSerializer(),
#else
TryDeSerialize = (JsonDeSerializer.DeSerializeDelegate <T>)DeSerializeMethodCache.CreateDynamicMethod(type, member.Member).CreateDelegate(typeof(JsonDeSerializer.DeSerializeDelegate <T>)),
#endif
MemberMapIndex = member.MemberIndex,
//MemberFilters = member.Member.IsPublic ? Metadata.MemberFilters.PublicInstanceField : Metadata.MemberFilters.NonPublicInstanceField
};
if (!isBox)
{
#if !NOJIT
dynamicMethod.Push(member);
memberMapDynamicMethod.Push(member);
#endif
string name = member.AnonymousName;
if (name.Length > maxNameLength)
{
maxNameLength = name.Length;
}
nameLength += (names[index++] = name).Length;
if (member == defaultMember)
{
deSerializers[deSerializers.Length - 1] = tryDeSerialize;
names[deSerializers.Length - 1] = string.Empty;
}
}
}
foreach (KeyValue <PropertyIndex, MethodInfo> member in properties)
{
deSerializers[index] = new TryDeSerializeFilter
{
#if NOJIT
TryDeSerialize = new PropertyDeSerializer(member.Key.Member).DeSerializer(),
#else
TryDeSerialize = (JsonDeSerializer.DeSerializeDelegate <T>)DeSerializeMethodCache.CreateDynamicMethod(type, member.Key.Member, member.Value).CreateDelegate(typeof(JsonDeSerializer.DeSerializeDelegate <T>)),
#endif
MemberMapIndex = member.Key.MemberIndex,
//MemberFilters = member.Value.IsPublic ? Metadata.MemberFilters.PublicInstanceProperty : Metadata.MemberFilters.NonPublicInstanceProperty
};
if (!isBox)
{
#if !NOJIT
dynamicMethod.Push(member.Key, member.Value);
memberMapDynamicMethod.Push(member.Key, member.Value);
#endif
if (member.Key.Member.Name.Length > maxNameLength)
{
maxNameLength = member.Key.Member.Name.Length;
}
nameLength += (names[index++] = member.Key.Member.Name).Length;
}
}
if (isBox)
{
unboxDeSerializer = deSerializers[0].TryDeSerialize;
DefaultDeSerializer = unbox;
}
else
{
#if !NOJIT
deSerializeMember = (DeSerializeMember)dynamicMethod.Create <DeSerializeMember>();
deSerializeMemberMap = (DeSerializeMemberMap)memberMapDynamicMethod.Create <DeSerializeMemberMap>();
#endif
if (type.Name[0] == '<')
{
isAnonymousType = true;
}
if (maxNameLength > (short.MaxValue >> 1) - 4 || nameLength == 0)
{
memberNames = Unmanaged.NullByte8;
}
else
{
memberNames = Unmanaged.GetStaticPointer((nameLength + (names.Length - (defaultMember == null ? 0 : 1)) * 5 + 1) << 1, false);
byte *write = memberNames.Byte;
foreach (string name in names)
{
if (name.Length != 0)
{
if (write == memberNames.Byte)
{
*(short *)write = (short)((name.Length + 3) * sizeof(char));
*(char *)(write + sizeof(short)) = '"';
write += sizeof(short) + sizeof(char);
}
else
{
*(short *)write = (short)((name.Length + 4) * sizeof(char));
*(int *)(write + sizeof(short)) = ',' + ('"' << 16);
write += sizeof(short) + sizeof(int);
}
fixed(char *nameFixed = name) AutoCSer.Extensions.StringExtension.SimpleCopyNotNull(nameFixed, (char *)write, name.Length);
*(int *)(write += name.Length << 1) = '"' + (':' << 16);
write += sizeof(int);
}
}
*(short *)write = 0;
}
memberSearcher = new StateSearcher(StateSearcher.GetMemberSearcher(type, names));
memberDeSerializers = deSerializers;
Type refType = type.MakeByRefType();
foreach (AutoCSer.Metadata.AttributeMethod attributeMethod in AutoCSer.Metadata.AttributeMethod.GetStatic(type))
{
if ((methodInfo = attributeMethod.Method).ReturnType == typeof(void))
{
ParameterInfo[] parameters = methodInfo.GetParameters();
if (parameters.Length == 3 && parameters[0].ParameterType == typeof(JsonDeSerializer) && parameters[1].ParameterType == refType && parameters[2].ParameterType == Emit.Pub.PointerSizeRefType)
{
if (attributeMethod.GetAttribute <JsonDeSerializeUnknownNameAttriubte>() != null)
{
onUnknownName = (UnknownDeSerialize)Delegate.CreateDelegate(typeof(UnknownDeSerialize), methodInfo);
break;
}
}
}
}
}
}
}
}