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164 行
5.0 KiB

using System;
using System.Collections.Generic;
namespace UnityEngine.Graphing
{
public static class SerializationHelper
{
[Serializable]
public struct TypeSerializationInfo
{
[SerializeField]
public string fullName;
[SerializeField]
public string assemblyName;
public bool IsValid()
{
return !string.IsNullOrEmpty(fullName) && !string.IsNullOrEmpty(assemblyName);
}
public string SearchString()
{
if (!IsValid())
return string.Empty;
return string.Format("{0}, {1}", fullName, assemblyName);
}
}
[Serializable]
public struct JSONSerializedElement
{
[SerializeField]
public TypeSerializationInfo typeInfo;
[SerializeField]
public string JSONnodeData;
}
public static JSONSerializedElement nullElement
{
get
{
return new JSONSerializedElement();
}
}
public static TypeSerializationInfo GetTypeSerializableAsString(Type type)
{
return new TypeSerializationInfo
{
fullName = type.FullName,
assemblyName = type.Assembly.GetName().Name
};
}
private static Type GetTypeFromSerializedString(TypeSerializationInfo typeInfo)
{
if (!typeInfo.IsValid())
return null;
return Type.GetType(typeInfo.SearchString());
}
public static JSONSerializedElement Serialize<T>(T item)
{
if (item == null)
throw new ArgumentNullException("item", "Can not serialize null element");
var typeInfo = GetTypeSerializableAsString(item.GetType());
var data = JsonUtility.ToJson(item, true);
if (string.IsNullOrEmpty(data))
throw new ArgumentException(string.Format("Can not serialize {0}", item));
;
return new JSONSerializedElement
{
typeInfo = typeInfo,
JSONnodeData = data
};
}
private static TypeSerializationInfo DoTypeRemap(TypeSerializationInfo info, Dictionary<TypeSerializationInfo, TypeSerializationInfo> remapper)
{
TypeSerializationInfo foundInfo;
if (remapper.TryGetValue(info, out foundInfo))
return foundInfo;
return info;
}
public static T Deserialize<T>(JSONSerializedElement item, Dictionary<TypeSerializationInfo, TypeSerializationInfo> remapper, params object[] constructorArgs) where T : class
{
if (!item.typeInfo.IsValid() || string.IsNullOrEmpty(item.JSONnodeData))
throw new ArgumentException(string.Format("Can not deserialize {0}, it is invalid", item));
TypeSerializationInfo info = item.typeInfo;
if (remapper != null)
info = DoTypeRemap(info, remapper);
var type = GetTypeFromSerializedString(info);
if (type == null)
throw new ArgumentException(string.Format("Can not deserialize {0}, type {1} is invalid", info));
T instance;
try
{
instance = Activator.CreateInstance(type, constructorArgs) as T;
}
catch (Exception e)
{
throw new Exception(string.Format("Could not construct instance of: {0}", type), e);
}
if (instance != null)
{
JsonUtility.FromJsonOverwrite(item.JSONnodeData, instance);
return instance;
}
return null;
}
public static List<JSONSerializedElement> Serialize<T>(IEnumerable<T> list)
{
var result = new List<JSONSerializedElement>();
if (list == null)
return result;
foreach (var element in list)
{
try
{
result.Add(Serialize(element));
}
catch (Exception e)
{
Debug.LogException(e);
}
}
return result;
}
public static List<T> Deserialize<T>(IEnumerable<JSONSerializedElement> list, Dictionary<TypeSerializationInfo, TypeSerializationInfo> remapper, params object[] constructorArgs) where T : class
{
var result = new List<T>();
if (list == null)
return result;
foreach (var element in list)
{
try
{
result.Add(Deserialize<T>(element, remapper));
}
catch (Exception e)
{
Debug.LogException(e);
}
}
return result;
}
}
}