/// <summary>
/// 将一个IntellectObject数组转换成byte数组的形式
/// </summary>
/// <param name="value">值</param>
/// <exception cref="UnexpectedValueException">结果错误</exception>
/// <exception cref="ArgumentNullException">参数不能为空</exception>
public static byte[] BindIntellectObjectArray(IntellectObject[] value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
MemoryAllotter.Instance.Initialize();
IMemorySegmentProxy proxy = MemorySegmentProxyFactory.Create();
proxy.WriteUInt32((uint)value.Length);
for (int i = 0; i < value.Length; i++)
{
IntellectObject elementObj = value[i];
if (elementObj == null)
{
proxy.WriteUInt16(0);
}
else
{
MemoryPosition currentPostion = proxy.GetPosition();
proxy.Skip(2U);
int length = IntellectObjectEngine.ToBytes(elementObj, proxy);
proxy.WriteBackUInt16(currentPostion, (ushort)length);
}
}
return(proxy.GetBytes());
}
/// <summary>
/// 将一个IntellectObject转换成byte数组的形式
/// </summary>
/// <param name="value">值</param>
/// <exception cref="ArgumentNullException">参数不能为空</exception>
public static byte[] BindIntellectObject(IntellectObject value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
value.Bind();
return(value.Body);
}
/// <summary>
/// 将一个IntellectObject数组转换成byte数组的形式
/// </summary>
/// <param name="value">值</param>
/// <exception cref="UnexpectedValueException">结果错误</exception>
/// <exception cref="ArgumentNullException">参数不能为空</exception>
private static byte[] BindIntellectObjectArrayMethod(IntellectObject[] value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
List <byte[]> byteList = new List <byte[]>();
int totalLength = value.Length * 2 + 4;
byte[] placeHolderByte = { 0x00, 0x00 };
for (int i = 0; i < value.Length; i++)
{
IntellectObject elementObj = value[i];
if (elementObj == null)
{
byteList.Add(placeHolderByte);
continue;
}
elementObj.Bind();
if (!elementObj.IsBind)
{
throw new UnexpectedValueException("elementObj");
}
byteList.Add(elementObj.Body);
totalLength += elementObj.Body.Length;
}
byte[] bytes = new byte[totalLength];
int dstOffset = 0;
Buffer.BlockCopy(BitConverter.GetBytes(value.Length), 0, bytes, dstOffset, 4);
dstOffset += 4;
for (int i = 0; i < byteList.Count; i++)
{
if (byteList[i] == placeHolderByte)
{
Buffer.BlockCopy(byteList[i], 0, bytes, dstOffset, 2);
dstOffset += 2;
}
else
{
Buffer.BlockCopy(BitConverter.GetBytes(byteList[i].Length), 0, bytes, dstOffset, 2);
dstOffset += 2;
Buffer.BlockCopy(byteList[i], 0, bytes, dstOffset, byteList[i].Length);
dstOffset += byteList[i].Length;
}
}
if (bytes.Length != totalLength)
{
throw new UnexpectedValueException("value");
}
return(bytes);
}
/// <summary>
/// 将一个智能对象转换为二进制元数据
/// </summary>
/// <param name="obj">智能对象</param>
/// <param name="proxy">内存段代理器</param>
/// <returns>返回当前已经被序列化对象的总体长度</returns>
internal static int ToBytes(IIntellectObject obj, IMemorySegmentProxy proxy)
{
//获取智能对象中的智能属性，并按照Id来排序
ToBytesAnalyseResult[] properties = Analyser.ToBytesAnalyser.Analyse(obj);
if (properties.Length == 0)
{
return(-1);
}
MemoryPosition wrapperStartPosition = proxy.GetPosition();
proxy.Skip(4U);
IIntellectTypeProcessor intellectTypeProcessor;
for (int l = 0; l < properties.Length; l++)
{
ToBytesAnalyseResult property = properties[l];
//先检查完全缓存机制
if (property.HasCacheFinished)
{
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
continue;
}
#region 普通类型判断
intellectTypeProcessor = IntellectTypeProcessorMapping.Instance.GetProcessor(property.Attribute.Id) ??
IntellectTypeProcessorMapping.Instance.GetProcessor(property.Property.PropertyType);
if (intellectTypeProcessor != null)
{
//添加热缓存
IIntellectTypeProcessor processor = intellectTypeProcessor;
property.CacheProcess = processor.Process;
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
property.HasCacheFinished = true;
continue;
}
#endregion
#region 枚举类型判断
//枚举类型
if (property.Property.PropertyType.GetTypeInfo().IsEnum)
{
//获取枚举类型
Type enumType = Enum.GetUnderlyingType(property.Property.PropertyType);
intellectTypeProcessor = IntellectTypeProcessorMapping.Instance.GetProcessor(enumType);
if (intellectTypeProcessor == null)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
//添加热缓存
IIntellectTypeProcessor processor = intellectTypeProcessor;
property.CacheProcess = processor.Process;
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
property.HasCacheFinished = true;
continue;
}
#endregion
#region 可空类型判断
Type innerType;
if ((innerType = Nullable.GetUnderlyingType(property.Property.PropertyType)) != null)
{
intellectTypeProcessor = IntellectTypeProcessorMapping.Instance.GetProcessor(innerType);
if (intellectTypeProcessor != null)
{
//添加热缓存
IIntellectTypeProcessor processor = intellectTypeProcessor;
property.CacheProcess = delegate(IMemorySegmentProxy innerProxy, IntellectPropertyAttribute innerAttribute, ToBytesAnalyseResult innerAnalyseResult, object innerTarget, bool innerIsArrayElement, bool innerNullable)
{
processor.Process(innerProxy, innerAttribute, innerAnalyseResult, innerTarget, innerIsArrayElement, true);
};
property.CacheProcess(proxy, property.Attribute, property, obj, false, true);
property.HasCacheFinished = true;
continue;
}
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
#endregion
#region 智能对象类型判断
if (property.Property.PropertyType.GetTypeInfo().GetInterface(Consts.IntellectObjectFullName) != null)
{
//添加热缓存
property.CacheProcess = delegate(IMemorySegmentProxy innerProxy, IntellectPropertyAttribute innerAttribute, ToBytesAnalyseResult innerAnalyseResult, object innerTarget, bool innerIsArrayElement, bool innerNullable)
{
IntellectObject innerIntellectObj = innerAnalyseResult.GetValue <IntellectObject>(innerTarget);
if (innerIntellectObj == null)
{
return;
}
innerProxy.WriteByte((byte)innerAttribute.Id);
MemoryPosition startPos = innerProxy.GetPosition();
innerProxy.Skip(4);
ToBytes(innerIntellectObj, innerProxy);
MemoryPosition endPos = innerProxy.GetPosition();
innerProxy.WriteBackInt32(startPos, MemoryPosition.CalcLength(innerProxy.SegmentCount, startPos, endPos) - 4);
};
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
property.HasCacheFinished = true;
continue;
}
#endregion
#region 数组的判断
if (property.Property.PropertyType.IsArray)
{
if (!property.Property.PropertyType.HasElementType)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
Type elementType = property.Property.PropertyType.GetElementType();
VT vt = FixedTypeManager.IsVT(elementType);
//special optimize.
IIntellectTypeProcessor arrayProcessor = ArrayTypeProcessorMapping.Instance.GetProcessor(property.Property.PropertyType);
if (arrayProcessor != null)
{
property.CacheProcess = arrayProcessor.Process;
}
//is VT, but cannot find special processor.
else if (vt != null)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
else if (elementType.GetTypeInfo().IsSubclassOf(typeof(IntellectObject)))
{
//Add hot cache.
property.CacheProcess = delegate(IMemorySegmentProxy innerProxy, IntellectPropertyAttribute innerAttribute, ToBytesAnalyseResult innerAnalyseResult, object innerTarget, bool innerIsArrayElement, bool innerNullable)
{
IIntellectObject[] array = innerAnalyseResult.GetValue <IIntellectObject[]>(innerTarget);
if (array == null)
{
if (!innerAttribute.IsRequire)
{
return;
}
throw new PropertyNullValueException(string.Format(ExceptionMessage.EX_PROPERTY_VALUE, innerAttribute.Id, innerAnalyseResult.Property.Name, innerAnalyseResult.Property.PropertyType));
}
//id(1) + total length(4) + rank(4)
innerProxy.WriteByte((byte)innerAttribute.Id);
MemoryPosition startPosition = innerProxy.GetPosition();
innerProxy.Skip(4U);
innerProxy.WriteInt32(array.Length);
for (int i = 0; i < array.Length; i++)
{
IIntellectObject element = array[i];
if (element == null)
{
innerProxy.WriteUInt16(0);
}
else
{
MemoryPosition innerStartObjPosition = innerProxy.GetPosition();
innerProxy.Skip(Size.UInt16);
ToBytes(element, innerProxy);
MemoryPosition innerEndObjPosition = innerProxy.GetPosition();
innerProxy.WriteBackUInt16(innerStartObjPosition, (ushort)(MemoryPosition.CalcLength(innerProxy.SegmentCount, innerStartObjPosition, innerEndObjPosition) - 2));
}
}
MemoryPosition endPosition = innerProxy.GetPosition();
innerProxy.WriteBackInt32(startPosition, MemoryPosition.CalcLength(innerProxy.SegmentCount, startPosition, endPosition) - 4);
};
}
else if (!(elementType == typeof(string)) && elementType.GetTypeInfo().IsSerializable)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
else
{
intellectTypeProcessor = IntellectTypeProcessorMapping.Instance.GetProcessor(property.Attribute.Id) ??
IntellectTypeProcessorMapping.Instance.GetProcessor(elementType);
if (intellectTypeProcessor == null)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, elementType));
}
//Add hot cache.
IIntellectTypeProcessor processor = intellectTypeProcessor;
property.CacheProcess = delegate(IMemorySegmentProxy innerProxy, IntellectPropertyAttribute innerAttribute, ToBytesAnalyseResult innerAnalyseResult, object innerTarget, bool innerIsArrayElement, bool innerNullable)
{
Array array = innerAnalyseResult.GetValue <Array>(innerTarget);
if (array == null)
{
if (!innerAttribute.IsRequire)
{
return;
}
throw new PropertyNullValueException(string.Format(ExceptionMessage.EX_PROPERTY_VALUE, innerAttribute.Id, innerAnalyseResult.Property.Name, innerAnalyseResult.Property.PropertyType));
}
//id(1) + total length(4) + rank(4)
innerProxy.WriteByte((byte)innerAttribute.Id);
MemoryPosition startPosition = innerProxy.GetPosition();
innerProxy.Skip(4);
innerProxy.WriteInt32(array.Length);
for (int i = 0; i < array.Length; i++)
{
object element = array.GetValue(i);
if (element == null)
{
innerProxy.WriteUInt16(0);
}
else
{
MemoryPosition innerStartObjPosition = innerProxy.GetPosition();
innerProxy.Skip(Size.UInt16);
processor.Process(innerProxy, innerAttribute, innerAnalyseResult, element, true);
MemoryPosition innerEndObjPosition = innerProxy.GetPosition();
innerProxy.WriteBackUInt16(innerStartObjPosition, (ushort)(MemoryPosition.CalcLength(innerProxy.SegmentCount, innerStartObjPosition, innerEndObjPosition) - 2));
}
}
MemoryPosition endPosition = innerProxy.GetPosition();
innerProxy.WriteBackInt32(startPosition, MemoryPosition.CalcLength(innerProxy.SegmentCount, startPosition, endPosition) - 4);
};
}
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
property.HasCacheFinished = true;
continue;
}
#endregion
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
MemoryPosition wrapperEndPosition = proxy.GetPosition();
int length = MemoryPosition.CalcLength(proxy.SegmentCount, wrapperStartPosition, wrapperEndPosition);
proxy.WriteBackInt32(wrapperStartPosition, length);
return(length);
}
/// <summary>
/// 将一个元数据转换为特定类型的对象
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="target">特定的对象</param>
/// <param name="data">元数据</param>
/// <param name="offset">元数据偏移</param>
/// <param name="length">可用元数据长度</param>
/// <returns>返回转换后的特定对象</returns>
/// <exception cref="Exception">转换失败</exception>
public static T GetObject <T>(Type target, byte[] data, int offset, int length)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (data == null)
{
throw new ArgumentNullException("data");
}
Dictionary <int, GetObjectAnalyseResult> result = Analyser.GetObjectAnalyser.Analyse(target);
if (result == null)
{
return(default(T));
}
#region 解析数据部分
int id, currentLength, chunkSize;
chunkSize = offset + length;
int innerOffset = offset + 4;
int totalLength = BitConverter.ToInt32(data, offset);
if (totalLength != length)
{
throw new System.Exception("Illegal binary data length! #length: " + totalLength);
}
//create instance for new obj.
Object instance = Activator.CreateInstance(target);
IntellectObject intellectObject = instance as IntellectObject;
if (intellectObject == null)
{
throw new System.Exception("Cannot convert target object to Intellect Object! #type: " + target.FullName);
}
do
{
//get id.
id = data[innerOffset++];
//get analyze result.
GetObjectAnalyseResult analyzeResult;
if (!result.TryGetValue(id, out analyzeResult))
{
if (!MemoryAllotter.AllowCompatibleMode)
{
throw new System.Exception("Illegal data contract, non-exists id! #id: " + id);
}
intellectObject.CompatibleMode = true;
intellectObject.IsPickup = true;
return((T)instance);
}
//calc data length.
if (analyzeResult.VT)
{
currentLength = analyzeResult.VTStruct.Size;
}
else
{
currentLength = BitConverter.ToInt32(data, innerOffset);
innerOffset += 4;
}
//set current property value to the target object.
InstanceHelper.SetInstance(intellectObject, analyzeResult, data, innerOffset, currentLength);
innerOffset += currentLength;
} while (innerOffset < data.Length && innerOffset < chunkSize);
#endregion
intellectObject.IsPickup = true;
return((T)instance);
}
