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