public unsafe void InsertHead(T *ptr, int length)
{
if (length <= 0)
{
throw new ArgumentOutOfRangeException("invalid size");
}
/*
* var sb = new System.Text.StringBuilder();
* sb.Append($"InsertHead(before data, Length = {this.Length}, start = {_start.Value}):\n");
* for (int i = 0; i < this.Length; i++) sb.Append(this[i]);
* sb.Append('\n');
* sb.Append(" >> insert data:\n");
* for (int i = 0; i < length; i++) sb.Append(ptr[i]);
* sb.Append('\n');
* sb.Append('\n');
*/
// when enough space exists in head
if (length <= *_start)
{
*_start = *_start - length;
UnsafeUtility.MemCpy(this.GetUnsafePtr(), ptr, UnsafeUtility.SizeOf <T>() * length);
/*
* sb.Append($"InsertHead(without resize Length = {this.Length}):\n");
* for (int i = 0; i < this.Length; i++) sb.Append(this[i]);
* sb.Append('\n');
* UnityEngine.Debug.Log(sb.ToString());
*/
return;
}
// slide internal data
int new_length = length + this.Length;
int len_move = this.Length;
_list.ResizeUninitialized(new_length);
T *dest = (T *)_list.GetUnsafePtr() + length;
T *source = (T *)_list.GetUnsafePtr() + *_start;
UnsafeUtility.MemMove(dest, source, UnsafeUtility.SizeOf <T>() * len_move);
// insert data
*_start = 0;
UnsafeUtility.MemCpy((void *)_list.GetUnsafePtr(), (void *)ptr, UnsafeUtility.SizeOf <T>() * length);
/*
* sb.Append($"InsertHead, Length = {this.Length}, start = {_start.Value}:\n");
* for (int i = 0; i < this.Length; i++) sb.Append(this[i]);
* sb.Append('\n');
* UnityEngine.Debug.Log(sb.ToString());
*/
}
public bool GetBytes(UnsafeRefToNativeList <byte> buff, UnsafeRefToNativeList <Char16> str)
{
return(NativeBase64Decoder.GetBytesImpl(info_ptr, buff, (Char16 *)str.GetUnsafePtr(), str.Length));
}
public unsafe void Add(UnsafeRefToNativeList <Char16> str)
{
this.Add((Char16 *)str.GetUnsafePtr(), str.Length);
}
public void GetChars(UnsafeRefToNativeList <Char16> buff,
UnsafeRefToNativeList <byte> bytes,
bool splitData = false)
{
NativeBase64Encoder.GetCharsImpl(info_ptr, buff, (byte *)bytes.GetUnsafePtr(), bytes.Length, splitData);
}
/// <summary>
/// specialize for UnsafeRefToNativeList<T>
/// </summary>
/// <param name="list"></param>
public unsafe void Add(UnsafeRefToNativeList <T> list)
{
this.Add((T *)list.GetUnsafePtr(), list.Length);
}