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TSR Berry 2023-04-08 01:22:00 +02:00 • committed by Mary
parent cd124bda58
commit cee7121058
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99
Ryujinx.Common/Memory/MemoryStreamManager.cs
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@ -1,99 +0,0 @@
using Microsoft.IO;
using System;
namespace Ryujinx.Common.Memory
{
public static class MemoryStreamManager
{
private static readonly RecyclableMemoryStreamManager _shared = new RecyclableMemoryStreamManager();
/// <summary>
/// We don't expose the <c>RecyclableMemoryStreamManager</c> directly because version 2.x
/// returns them as <c>MemoryStream</c>. This Shared class is here to a) offer only the GetStream() versions we use
/// and b) return them as <c>RecyclableMemoryStream</c> so we don't have to cast.
/// </summary>
public static class Shared
{
/// <summary>
/// Retrieve a new <c>MemoryStream</c> object with no tag and a default initial capacity.
/// </summary>
/// <returns>A <c>RecyclableMemoryStream</c></returns>
public static RecyclableMemoryStream GetStream()
=> new RecyclableMemoryStream(_shared);
/// <summary>
/// Retrieve a new <c>MemoryStream</c> object with the contents copied from the provided
/// buffer. The provided buffer is not wrapped or used after construction.
/// </summary>
/// <remarks>The new stream's position is set to the beginning of the stream when returned.</remarks>
/// <param name="buffer">The byte buffer to copy data from</param>
/// <returns>A <c>RecyclableMemoryStream</c></returns>
public static RecyclableMemoryStream GetStream(byte[] buffer)
=> GetStream(Guid.NewGuid(), null, buffer, 0, buffer.Length);
/// <summary>
/// Retrieve a new <c>MemoryStream</c> object with the given tag and with contents copied from the provided
/// buffer. The provided buffer is not wrapped or used after construction.
/// </summary>
/// <remarks>The new stream's position is set to the beginning of the stream when returned.</remarks>
/// <param name="buffer">The byte buffer to copy data from</param>
/// <returns>A <c>RecyclableMemoryStream</c></returns>
public static RecyclableMemoryStream GetStream(ReadOnlySpan<byte> buffer)
=> GetStream(Guid.NewGuid(), null, buffer);
/// <summary>
/// Retrieve a new <c>RecyclableMemoryStream</c> object with the given tag and with contents copied from the provided
/// buffer. The provided buffer is not wrapped or used after construction.
/// </summary>
/// <remarks>The new stream's position is set to the beginning of the stream when returned.</remarks>
/// <param name="id">A unique identifier which can be used to trace usages of the stream</param>
/// <param name="tag">A tag which can be used to track the source of the stream</param>
/// <param name="buffer">The byte buffer to copy data from</param>
/// <returns>A <c>RecyclableMemoryStream</c></returns>
public static RecyclableMemoryStream GetStream(Guid id, string tag, ReadOnlySpan<byte> buffer)
{
RecyclableMemoryStream stream = null;
try
{
stream = new RecyclableMemoryStream(_shared, id, tag, buffer.Length);
stream.Write(buffer);
stream.Position = 0;
return stream;
}
catch
{
stream?.Dispose();
throw;
}
}
/// <summary>
/// Retrieve a new <c>RecyclableMemoryStream</c> object with the given tag and with contents copied from the provided
/// buffer. The provided buffer is not wrapped or used after construction.
/// </summary>
/// <remarks>The new stream's position is set to the beginning of the stream when returned</remarks>
/// <param name="id">A unique identifier which can be used to trace usages of the stream</param>
/// <param name="tag">A tag which can be used to track the source of the stream</param>
/// <param name="buffer">The byte buffer to copy data from</param>
/// <param name="offset">The offset from the start of the buffer to copy from</param>
/// <param name="count">The number of bytes to copy from the buffer</param>
/// <returns>A <c>RecyclableMemoryStream</c></returns>
public static RecyclableMemoryStream GetStream(Guid id, string tag, byte[] buffer, int offset, int count)
{
RecyclableMemoryStream stream = null;
try
{
stream = new RecyclableMemoryStream(_shared, id, tag, count);
stream.Write(buffer, offset, count);
stream.Position = 0;
return stream;
}
catch
{
stream?.Dispose();
throw;
}
}
}
}
}