public unsafe int Write(TElement[] value, ref DirectBuffer destination, uint offset = 0u, MemoryStream temporaryStream = null, CompressionMethod compression = CompressionMethod.DefaultOrNone)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (temporaryStream != null)
{
throw new NotSupportedException("BlittableArrayBinaryConverter does not work with temp streams.");
}
if (ItemSize > 0)
{
var totalSize = 8 + ItemSize * value.Length;
if (!destination.HasCapacity(offset, totalSize))
{
return((int)BinaryConverterErrorCode.NotEnoughCapacity);
}
var ptr = destination.Data + (int)offset;
var pinnedArray = GCHandle.Alloc(value, GCHandleType.Pinned);
// size
Marshal.WriteInt32(ptr, totalSize);
// version
Marshal.WriteByte(ptr + 4, Version);
if (value.Length > 0)
{
var source = Marshal.UnsafeAddrOfPinnedArrayElement(value, 0);
ByteUtil.MemoryCopy((byte *)(ptr + 8), (byte *)source, checked ((uint)(ItemSize * value.Length)));
}
pinnedArray.Free();
return(totalSize);
}
throw new InvalidOperationException("BlittableArrayBinaryConverter must be called only on blittable types");
}
public unsafe int Write(MemoryStream value, ref DirectBuffer destination, uint offset, MemoryStream temporaryStream = null, CompressionMethod compression = CompressionMethod.DefaultOrNone)
{
if (temporaryStream != null)
{
throw new NotSupportedException("MemoryStreamBinaryConverter does not work with temp streams.");
}
if (value.Length > int.MaxValue)
{
throw new ArgumentOutOfRangeException(nameof(temporaryStream), "Memory stream is too large");
}
var totalLength = checked ((int)value.Length + 8);
if (!destination.HasCapacity(offset, totalLength))
{
return((int)BinaryConverterErrorCode.NotEnoughCapacity);
}
var ptr = destination.Data + (int)offset;
// size
Marshal.WriteInt32(ptr, totalLength);
// version
Marshal.WriteInt32(ptr + 4, Version);
// payload
ptr = ptr + 8;
value.WriteToPtr(ptr);
return(totalLength);
}
public int Write(byte[] value, ref DirectBuffer destination, uint offset = 0, MemoryStream temporaryStream = null, CompressionMethod compression = CompressionMethod.DefaultOrNone)
{
if (compression == CompressionMethod.DefaultOrNone)
{
if (temporaryStream != null)
{
throw new NotSupportedException("ByteArrayBinaryConverter does not work with temp streams.");
}
var totalSize = value.Length + 8;
if (!destination.HasCapacity(offset, totalSize))
{
return((int)BinaryConverterErrorCode.NotEnoughCapacity);
}
var ptr = destination.Data + (int)offset;
// size
Marshal.WriteInt32(ptr, totalSize);
// version
Marshal.WriteByte(ptr + 4, Version);
// payload
Marshal.Copy(value, 0, ptr + 8, value.Length);
return(totalSize);
}
else
{
return(CompressedArrayBinaryConverter <byte> .Instance.Write(value, 0, value.Length, ref destination,
offset, temporaryStream, compression));
}
}
public unsafe int Write(string value, ref DirectBuffer destination, uint offset = 0u, MemoryStream temporaryStream = null, CompressionMethod compression = CompressionMethod.DefaultOrNone)
{
if (compression == CompressionMethod.DefaultOrNone)
{
if (temporaryStream == null)
{
fixed(char *charPtr = value)
{
var totalLength = 8 + Encoding.UTF8.GetByteCount(charPtr, value.Length);
if (!destination.HasCapacity(offset, totalLength))
{
return((int)BinaryConverterErrorCode.NotEnoughCapacity);
}
var ptr = destination.Data + (int)offset;
// size
Marshal.WriteInt32(ptr, totalLength);
// version
Marshal.WriteByte(ptr + 4, Version);
// payload
var len = Encoding.UTF8.GetBytes(charPtr, value.Length, (byte *)ptr + 8, totalLength);
Debug.Assert(totalLength == len + 8);
return(len + 8);
}
}
else
{
throw new NotSupportedException("StringBinaryConverter does not work with temp streams.");
//throw new NotImplementedException();
//temporaryStream.WriteToPtr(ptr);
//return checked((int)temporaryStream.Length);
}
}
else
{
throw new NotImplementedException("TODO string compression");
}
}
