private static void PrimitiveDecoding(BinaryReader br, long endPosition, ref object obj, List <TTLVStructNode> childs)
{
var nodeInfo = new TTLVNodeInfo();
while (br.BaseStream.Position < endPosition)
{
//int tag = br.ReadInt32();
//TypeCode valueBufferTypeCode = (TypeCode)br.ReadByte();
//int length = br.ReadInt32();
_codec.ReadNodeInfo(br, nodeInfo);
int length = nodeInfo.Length;
TypeCode valueBufferTypeCode = nodeInfo.Type;
TTLVStructNode node = childs.Find(t => { return(t.Tag == nodeInfo.Tag); });
if (node == null || !node.CheckCompatible(valueBufferTypeCode))
{
br.BaseStream.Position += length;
continue;
}
switch (node.TTLVType)
{
case TTLVType.BasicType:
DecodingBasicType(br, ref obj, node, length, valueBufferTypeCode);
break;
case TTLVType.Convert:
DecodingConvert(br, ref obj, node, length);
break;
case TTLVType.Object:
DecodingObject(br, ref obj, node, length);
break;
case TTLVType.Array:
DecodingArray(br, ref obj, node, length);
break;
case TTLVType.IList:
DecodingIList(br, ref obj, node, length);
break;
default:
throw new NotImplementedException(string.Format("未知类型", node.TTLVType.ToString()));
}
}
}
private static void DecodingCollection(IList list, BinaryReader br, TTLVStructNode node, int valueLength)
{
TTLVCommon.CheckHasNoParaConstructor(node.ElementType);
var endPosition = br.BaseStream.Position + valueLength;
var nodeInfo = new TTLVNodeInfo();
while (br.BaseStream.Position < endPosition)
{
//int tag = br.ReadInt32();
//TypeCode valueBufferTypeCode = (TypeCode)br.ReadByte();
//int length = br.ReadInt32();
_codec.ReadNodeInfo(br, nodeInfo);
object instance = Activator.CreateInstance(node.ElementType);
PrimitiveDecoding(br, br.BaseStream.Position + nodeInfo.Length, ref instance, node.Childs);
list.Add(instance);
}
br.BaseStream.Position = endPosition;
}
/// <summary>
/// 读取节点信息
/// </summary>
/// <param name="br">BinaryReader</param>
/// <param name="nodeInfo">存储节点信息对象</param>
public void ReadNodeInfo(BinaryReader br, TTLVNodeInfo nodeInfo)
{
nodeInfo.Tag = br.ReadInt32();
nodeInfo.Type = (TypeCode)br.ReadByte();
nodeInfo.Length = br.ReadInt32();
}
