/// <summary>
/// 是否目标类型,如果不是直接跳过
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
private TypeCheckState IsDestArrayType(TsonDataType type)
{
if (Ver == 1)
{
return(TypeCheckState.Success);
}
var srcType = ReadType();
if (srcType == TsonDataType.Empty)
{
return(TypeCheckState.Empty);
}
if (srcType == TsonDataType.Nil)
{
return(TypeCheckState.Nil);
}
if (srcType != TsonDataType.Array)
{
SkipByType(srcType);
return(TypeCheckState.State);
}
if (ReadType() == type)
{
return(TypeCheckState.Success);
}
Postion--;
SkipByType(srcType);
return(TypeCheckState.State);
}
/// <summary>
/// 写入值
/// </summary>
/// <param name="index"> 序号</param>
/// <param name="value">值 </param>
/// <param name="type">类型</param>
/// <param name="write">写入方法 </param>
public void Write <T>(byte index, T[] value, TsonDataType type, Action <T> write)
{
if (value == null || value.Length == 0)
{
return;
}
WriteIndex(index);
Write(value, type, write);
}
/// <summary>
/// 写入值
/// </summary>
/// <param name="index"> 序号</param>
/// <param name="value">值 </param>
/// <param name="type">类型</param>
/// <param name="write">写入方法 </param>
public void Write <T>(byte index, List <T> value, TsonDataType type, Action <T> write)
{
if (value == null || value.Count == 0)
{
return;
}
WriteIndex(index);
Write(value, type, write);
}
/// <summary>
/// 根据类型跳过
/// </summary>
/// <param name="type"></param>
private void SkipByType(TsonDataType type)
{
switch (type)
{
case TsonDataType.Boolean:
case TsonDataType.Byte:
++Postion;
break;
case TsonDataType.UShort:
case TsonDataType.Short:
Postion += 2;
break;
case TsonDataType.UInt:
case TsonDataType.Int:
case TsonDataType.Float:
Postion += 4;
break;
case TsonDataType.Long:
case TsonDataType.ULong:
case TsonDataType.Decimal:
case TsonDataType.Double:
case TsonDataType.DateTime:
Postion += 8;
break;
case TsonDataType.Guid:
Postion += 16;
break;
case TsonDataType.String:
Postion += ReadLen();
break;
case TsonDataType.Object:
ReadVer();
SkipToEnd();
break;
case TsonDataType.Array:
type = ReadType();
var size = ReadLen();
for (var i = 0; i < size; i++)
{
SkipByType(type);
}
break;
}
}
/// <summary>
/// 读一个数组
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="read"></param>
/// <param name="type"></param>
/// <returns></returns>
public T[] ReadArray <T>(Func <T> read, TsonDataType type)
{
var state = IsDestArrayType(type);
if (state == TypeCheckState.State || state == TypeCheckState.Nil)
{
return(null);
}
if (state == TypeCheckState.Empty)
{
return(new T[0]);
}
return(ReadArray(read));
}
public void Write <T>(T[] array, TsonDataType type, Action <T> write)
{
if (array == null || array.Length == 0)
{
//WriteType(TsonFieldType.Nil);
return;
}
//WriteType(TsonFieldType.Array);
//WriteType(type);
WriteLen(array.Length);
foreach (var item in array)
{
write(item);
}
}
/// <summary>
/// 写入值
/// </summary>
/// <param name="array"> </param>
/// <param name="type"></param>
/// <param name="write"></param>
/// <returns> </returns>
public void Write <T>(List <T> array, TsonDataType type, Action <T> write)
{
if (array == null || array.Count == 0)
{
WriteType(TsonDataType.Nil);
return;
}
WriteType(TsonDataType.Array);
WriteType(type);
WriteLen(array.Count);
foreach (var item in array)
{
write(item);
}
}
/// <summary>
/// 读一个列表
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="read"></param>
/// <param name="type"></param>
/// <returns></returns>
public List <T> ReadList <T>(Func <T> read, TsonDataType type)
{
var state = IsDestArrayType(type);
if (state == TypeCheckState.State || state == TypeCheckState.Nil)
{
return(null);
}
var array = new List <T>();
if (state == TypeCheckState.Empty)
{
return(array);
}
ReadList(array, read);
return(array);
}
/// <summary>
/// 读一个列表
/// </summary>
/// <typeparam name="TList"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="read"></param>
/// <param name="type"></param>
/// <returns></returns>
public TList ReadList <TList, TValue>(Func <TValue> read, TsonDataType type)
where TList : class, IList <TValue>, new()
{
var state = IsDestArrayType(type);
if (state == TypeCheckState.State || state == TypeCheckState.Nil)
{
return(null);
}
var array = new TList();
if (state == TypeCheckState.Empty)
{
return(array);
}
ReadList(array, read);
return(array);
}
/// <summary>
/// 是否目标类型,如果不是直接跳过
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
private TypeCheckState IsDestType(TsonDataType type)
{
var srcType = ReadType();
if (srcType == TsonDataType.Empty)
{
return(TypeCheckState.Empty);
}
if (srcType == TsonDataType.Nil)
{
return(TypeCheckState.Nil);
}
if (srcType == type)
{
return(TypeCheckState.Success);
}
SkipByType(srcType);
return(TypeCheckState.State);
}
/// <summary>
/// 构造
/// </summary>
/// <param name="buffer"></param>
public TsonDeserializerBase(byte[] buffer)
{
if (buffer == null || buffer.Length < 3 || buffer[buffer.Length - 2] != 0xFF || buffer[buffer.Length - 1] != 0xFF)
{
throw new NullReferenceException("buffer不能为空且必须为有效的TSON数据");
}
Buffer = buffer;
Postion = 0;
Ver = ReadVer();
if (Ver > 2)
{
throw new NullReferenceException("buffer必须为有效的TSON数据");
}
var type = ReadByte();
if (type > (byte)TsonDataType.DateTime && type < (byte)TsonDataType.Object)
{
throw new NullReferenceException("buffer必须为有效的TSON数据");
}
DataType = (TsonDataType)type;
}
/// <summary> /// 生成范围 /// </summary> /// <param name="s"></param> /// <param name="type"></param> /// <returns></returns> public static ScopeBase CreateScope(ITsonSerializer s, TsonDataType type = TsonDataType.Object) => new TsonObjectSerializeScope(s, type);
private TsonObjectScope(ITsonDeserializer s)
{
deserializer = s;
DataType = s.Begin(out Ver);
}
/// <summary>
/// 写入字段类型
/// </summary>
/// <param name="type"></param>
public void WriteType(TsonDataType type)
{
WriteValue((byte)type);
}
/// <summary>
/// 构造
/// </summary>
public TsonSerializerV1(TsonDataType type = TsonDataType.Object) : base(1, type)
{
}
private TsonObjectSerializeScope(ITsonSerializer s, TsonDataType type)
{
serializer = s;
s.Begin(type);
}
/// <summary>
/// 构造
/// </summary>
/// <param name="ver"></param>
/// <param name="type"></param>
protected TsonSerializerBase(byte ver, TsonDataType type)
{
Ver = ver;
Begin(type);
}
/// <summary>
/// 开始
/// </summary>
public void Begin(TsonDataType type = TsonDataType.Object)
{
Stream.WriteByte(Ver);
Stream.WriteByte((byte)type);
}
