71 lines
1.7 KiB
C#
71 lines
1.7 KiB
C#
// Copyright 2017-2018 Alexander Luzgarev
|
|
|
|
using System;
|
|
using System.IO;
|
|
|
|
namespace MatFileHandler.Tests
|
|
{
|
|
/// <summary>
|
|
/// A stream which wraps another stream and forbids seeking in it.
|
|
/// </summary>
|
|
internal sealed class UnseekableWriteStream : Stream
|
|
{
|
|
public UnseekableWriteStream(Stream baseStream)
|
|
{
|
|
_baseStream = baseStream;
|
|
}
|
|
|
|
private readonly Stream _baseStream;
|
|
|
|
public override bool CanRead => false;
|
|
|
|
public override bool CanSeek => false;
|
|
|
|
public override bool CanWrite => _baseStream.CanWrite;
|
|
|
|
public override long Length => _baseStream.Length;
|
|
|
|
public override long Position
|
|
{
|
|
get => throw new NotSupportedException();
|
|
set => throw new NotSupportedException();
|
|
}
|
|
|
|
public override void Flush()
|
|
{
|
|
_baseStream.Flush();
|
|
}
|
|
|
|
public override int Read(byte[] buffer, int offset, int count)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override long Seek(long offset, SeekOrigin origin)
|
|
{
|
|
throw new NotSupportedException();
|
|
}
|
|
|
|
public override void SetLength(long value)
|
|
{
|
|
throw new NotSupportedException();
|
|
}
|
|
|
|
public override void Write(byte[] buffer, int offset, int count)
|
|
{
|
|
_baseStream.Write(buffer, offset, count);
|
|
}
|
|
|
|
/// <inheritdoc/>
|
|
protected override void Dispose(bool disposing)
|
|
{
|
|
if (disposing)
|
|
{
|
|
_baseStream.Dispose();
|
|
}
|
|
|
|
base.Dispose(disposing);
|
|
}
|
|
}
|
|
}
|