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#if NETSTANDARD
using MessagePack.Formatters;
using MessagePack.Internal;
using System;
using System.Collections.Generic;
using System.Text;
namespace MessagePack.Resolvers
{
// MEMO: Not completely implemented.
//public static class ContractlessReflectionObjectResolver
//{
// // TODO:CamelCase Option? AllowPrivate?
// public static readonly IFormatterResolver Default = new DefaultResolver();
// public static readonly IFormatterResolver Contractless = new ContractlessResolver();
// public static readonly IFormatterResolver ContractlessForceStringKey = new ContractlessForceStringResolver();
// class DefaultResolver : IFormatterResolver
// {
// const bool ForceStringKey = false;
// const bool Contractless = false;
// const bool AllowPrivate = false;
// public IMessagePackFormatter<T> GetFormatter<T>()
// {
// return Cache<T>.formatter;
// }
// static class Cache<T>
// {
// public static readonly IMessagePackFormatter<T> formatter;
// static Cache()
// {
// var metaInfo = ObjectSerializationInfo.CreateOrNull(typeof(T), ForceStringKey, Contractless, AllowPrivate);
// if (metaInfo != null)
// {
// formatter = new ReflectionObjectFormatter<T>(metaInfo);
// }
// }
// }
// }
// class ContractlessResolver : IFormatterResolver
// {
// const bool ForceStringKey = false;
// const bool Contractless = true;
// const bool AllowPrivate = false;
// public IMessagePackFormatter<T> GetFormatter<T>()
// {
// return Cache<T>.formatter;
// }
// static class Cache<T>
// {
// public static readonly IMessagePackFormatter<T> formatter;
// static Cache()
// {
// var metaInfo = ObjectSerializationInfo.CreateOrNull(typeof(T), ForceStringKey, Contractless, AllowPrivate);
// if (metaInfo != null)
// {
// formatter = new ReflectionObjectFormatter<T>(metaInfo);
// }
// }
// }
// }
// class ContractlessForceStringResolver : IFormatterResolver
// {
// const bool ForceStringKey = true;
// const bool Contractless = true;
// const bool AllowPrivate = false;
// public IMessagePackFormatter<T> GetFormatter<T>()
// {
// return Cache<T>.formatter;
// }
// static class Cache<T>
// {
// public static readonly IMessagePackFormatter<T> formatter;
// static Cache()
// {
// var metaInfo = ObjectSerializationInfo.CreateOrNull(typeof(T), ForceStringKey, Contractless, AllowPrivate);
// if (metaInfo != null)
// {
// formatter = new ReflectionObjectFormatter<T>(metaInfo);
// }
// }
// }
// }
//}
//public class ReflectionObjectFormatter<T> : IMessagePackFormatter<T>
//{
// readonly ObjectSerializationInfo metaInfo;
// // for write
// readonly byte[][] writeMemberNames;
// readonly ObjectSerializationInfo.EmittableMember[] writeMembers;
// // for read
// readonly int[] constructorParameterIndexes;
// readonly AutomataDictionary mapMemberDictionary;
// readonly ObjectSerializationInfo.EmittableMember[] readMembers;
// internal ReflectionObjectFormatter(ObjectSerializationInfo metaInfo)
// {
// this.metaInfo = metaInfo;
// // for write
// {
// var memberNameList = new List<byte[]>(metaInfo.Members.Length);
// var emmitableMemberList = new List<ObjectSerializationInfo.EmittableMember>(metaInfo.Members.Length);
// foreach (var item in metaInfo.Members)
// {
// if (item.IsWritable)
// {
// emmitableMemberList.Add(item);
// memberNameList.Add(Encoding.UTF8.GetBytes(item.Name));
// }
// }
// this.writeMemberNames = memberNameList.ToArray();
// this.writeMembers = emmitableMemberList.ToArray();
// }
// // for read
// {
// var automata = new AutomataDictionary();
// var emmitableMemberList = new List<ObjectSerializationInfo.EmittableMember>(metaInfo.Members.Length);
// int index = 0;
// foreach (var item in metaInfo.Members)
// {
// if (item.IsReadable)
// {
// emmitableMemberList.Add(item);
// automata.Add(item.Name, index++);
// }
// }
// this.readMembers = emmitableMemberList.ToArray();
// this.mapMemberDictionary = automata;
// }
// }
// public void Serialize(IBufferWriter<byte> writer, T value, IFormatterResolver formatterResolver)
// {
// // reduce generic method size, avoid write code in <T> type.
// if (metaInfo.IsIntKey)
// {
// return ReflectionObjectFormatterHelper.WriteArraySerialize(metaInfo, writeMembers, ref bytes, offset, value, formatterResolver);
// }
// else
// {
// return ReflectionObjectFormatterHelper.WriteMapSerialize(metaInfo, writeMembers, writeMemberNames, ref bytes, offset, value, formatterResolver);
// }
// }
// public T Deserialize(ref ReadOnlySequence<byte> byteSequence, IFormatterResolver formatterResolver)
// {
// return (T)ReflectionObjectFormatterHelper.Deserialize(metaInfo, readMembers, constructorParameterIndexes, mapMemberDictionary, bytes, offset, formatterResolver, out readSize);
// }
//}
//internal static class ReflectionObjectFormatterHelper
//{
// internal static int WriteArraySerialize(ObjectSerializationInfo metaInfo, ObjectSerializationInfo.EmittableMember[] writeMembers, ref byte[] bytes, int offset, object value, IFormatterResolver formatterResolver)
// {
// var startOffset = offset;
// offset += MessagePackBinary.WriteArrayHeader(ref bytes, offset, writeMembers.Length);
// foreach (var item in metaInfo.Members)
// {
// if (item == null)
// {
// offset += MessagePackBinary.WriteNil(ref bytes, offset);
// }
// else
// {
// var memberValue = item.ReflectionLoadValue(value);
// offset += MessagePackSerializer.NonGeneric.Serialize(item.Type, ref bytes, offset, memberValue, formatterResolver);
// }
// }
// return offset - startOffset;
// }
// internal static int WriteMapSerialize(ObjectSerializationInfo metaInfo, ObjectSerializationInfo.EmittableMember[] writeMembers, byte[][] memberNames, ref byte[] bytes, int offset, object value, IFormatterResolver formatterResolver)
// {
// var startOffset = offset;
// offset += MessagePackBinary.WriteMapHeader(ref bytes, offset, writeMembers.Length);
// for (int i = 0; i < writeMembers.Length; i++)
// {
// offset += MessagePackBinary.WriteStringBytes(ref bytes, offset, memberNames[i]);
// var memberValue = writeMembers[i].ReflectionLoadValue(value);
// offset += MessagePackSerializer.NonGeneric.Serialize(writeMembers[i].Type, ref bytes, offset, memberValue, formatterResolver);
// }
// return offset - startOffset;
// }
// internal static object Deserialize(ObjectSerializationInfo metaInfo, ObjectSerializationInfo.EmittableMember[] readMembers, int[] constructorParameterIndexes, AutomataDictionary mapMemberDictionary, byte[] bytes, int offset, IFormatterResolver formatterResolver, out int readSize)
// {
// var startOffset = offset;
// object[] parameters = null;
// var headerType = MessagePackBinary.GetMessagePackType(bytes, offset);
// if (headerType == MessagePackType.Nil)
// {
// readSize = 1;
// return null;
// }
// else if (headerType == MessagePackType.Array)
// {
// var arraySize = MessagePackBinary.ReadArrayHeader(bytes, offset, out readSize);
// offset += readSize;
// // ReadValues
// parameters = new object[arraySize];
// for (int i = 0; i < arraySize; i++)
// {
// var info = readMembers[i];
// if (info != null)
// {
// parameters[i] = MessagePackSerializer.NonGeneric.Deserialize(info.Type, bytes, offset, formatterResolver, out readSize);
// offset += readSize;
// }
// else
// {
// offset += MessagePackBinary.ReadNextBlock(bytes, offset);
// }
// }
// }
// else if (headerType == MessagePackType.Map)
// {
// var mapSize = MessagePackBinary.ReadMapHeader(bytes, offset, out readSize);
// offset += readSize;
// // ReadValues
// parameters = new object[mapSize];
// for (int i = 0; i < mapSize; i++)
// {
// var rawPropName = MessagePackBinary.ReadStringSegment(bytes, offset, out readSize);
// offset += readSize;
// int index;
// if (mapMemberDictionary.TryGetValue(rawPropName.Array, rawPropName.Offset, rawPropName.Count, out index))
// {
// var info = readMembers[index];
// parameters[index] = MessagePackSerializer.NonGeneric.Deserialize(info.Type, bytes, offset, formatterResolver, out readSize);
// offset += readSize;
// }
// else
// {
// offset += MessagePackBinary.ReadNextBlock(bytes, offset);
// }
// }
// }
// else
// {
// throw new InvalidOperationException("Invalid MessagePackType:" + MessagePackCode.ToFormatName(bytes[offset]));
// }
// // CreateObject
// object result = null;
// if (constructorParameterIndexes.Length == 0)
// {
// result = Activator.CreateInstance(metaInfo.Type);
// }
// else
// {
// var args = new object[constructorParameterIndexes.Length];
// for (int i = 0; i < constructorParameterIndexes.Length; i++)
// {
// args[i] = parameters[constructorParameterIndexes[i]];
// }
// result = Activator.CreateInstance(metaInfo.Type, args);
// }
// // SetMembers
// for (int i = 0; i < readMembers.Length; i++)
// {
// var info = readMembers[i];
// if (info != null)
// {
// info.ReflectionStoreValue(result, parameters[i]);
// }
// }
// readSize = offset - startOffset;
// return result;
// }
//}
}
#endif
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