public override string GetString(byte[] data, String head)
{
IntPtr ptr = new IntPtr(BitConverter.ToInt64(data, 0));
GCHandle handle = GCHandle.FromIntPtr(ptr);
DCMDataSequence sq = (DCMDataSequence)handle.Target;
return(sq.ToString(head + ">"));
}
public override T[] ReadValue <T>(byte[] data)
{
if (typeof(T) is DCMDataSequence)
{
IntPtr ptr = new IntPtr(BitConverter.ToInt64(data, 0));
GCHandle handle = GCHandle.FromIntPtr(ptr);
DCMDataSequence[] sq = new DCMDataSequence[1];
sq[0] = (DCMDataSequence)handle.Target;
return(sq as T[]);
}
else
{
throw new NotSupportedException();
}
}
/// <summary>
/// SQ必须重写GetValue方法,因为传进来的参数length是由前边的Getlength方法获取的
/// 而SQ可能取值FFFF
/// </summary>
/// <param name="data"></param>
/// <param name="idx"></param>
/// <param name="length">传入长度数值</param>
/// <returns></returns>
public override byte[] GetValue(byte[] data, ref uint idx, uint length)
{
uint offset = idx;
DCMDataSequence sq = new DCMDataSequence(syntax);
while (idx - offset < length)
{
DCMAbstractType item = syntax.Decode(data, ref idx);
if (item.gtag == 0xfffe && item.etag == 0xe0dd)
{
break;
}
else
{
sq[0] = (DCMDataItem)item;
}
}
GCHandle handle = GCHandle.Alloc(sq);
IntPtr ptr = GCHandle.ToIntPtr(handle);
return(BitConverter.GetBytes(ptr.ToInt64()));
}
