Exemplo n.º 1
0
        public static int CopyFromStream(this Memory <byte> memory, Stream stream)
        {
            Throw.IfNull(() => stream);
            if (memory.IsEmpty || memory.Length < stream.Length || !stream.CanRead)
            {
                throw new ArgumentOutOfRangeException("invalid args");
            }

            stream.Position = 0;

            using (var arr = RecyclableByteArray.Rent(1024))
            {
                int total = 0, read = 0;
                while (total < stream.Length)
                {
                    read = stream.Read(arr.Array, 0, arr.Array.Length);
                    if (read > 0)
                    {
                        arr.Array.AsMemory().Slice(0, read).CopyTo(memory.Slice(total, read));
                    }
                    total += read;
                }
                return(total);
            }
        }
Exemplo n.º 2
0
        public void CopyFromStream(Stream stream)
        {
            stream.Position = 0;

            using (var arr = RecyclableByteArray.Rent(1024))
            {
                int total = 0, read = 0;
                while (total < stream.Length)
                {
                    read = stream.Read(arr.Array, 0, arr.Array.Length);
                    if (read > 0)
                    {
                        arr.Array.AsMemory().Slice(0, read).CopyTo(this.Memory.Slice(total, read));
                    }
                    total += read;
                }
            }
        }
Exemplo n.º 3
0
        public static int CopyToStream(this ReadOnlyMemory <byte> memory, Stream stream)
        {
            Throw.IfNull(() => stream);
            if (memory.IsEmpty || !stream.CanWrite)
            {
                throw new ArgumentOutOfRangeException("invalid args");
            }

            stream.Position = 0;
            const int BUFF_LEN = 1024;

            using (var arr = RecyclableByteArray.Rent(BUFF_LEN))
            {
                ReadOnlyMemoryReader reader = new ReadOnlyMemoryReader(memory);
                while (reader.Position < reader.Length)
                {
                    var slc = reader.Read(BUFF_LEN);
                    slc.CopyTo(arr.Array.AsMemory());
                    stream.Write(arr.Array, 0, slc.Length);
                }
                return(reader.Position);
            }
        }