Ryujinx/Ryujinx.Common/Memory/SpanReader.cs
gdkchan 08831eecf7
IPC refactor part 3+4: New server HIPC message processor (#4188)
* IPC refactor part 3 + 4: New server HIPC message processor with source generator based serialization

* Make types match on calls to AlignUp/AlignDown

* Formatting

* Address some PR feedback

* Move BitfieldExtensions to Ryujinx.Common.Utilities and consolidate implementations

* Rename Reader/Writer to SpanReader/SpanWriter and move to Ryujinx.Common.Memory

* Implement EventType

* Address more PR feedback

* Log request processing errors since they are not normal

* Rename waitable to multiwait and add missing lock

* PR feedback

* Ac_K PR feedback
2023-01-04 23:15:45 +01:00

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1.1 KiB
C#

using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Common.Memory
{
public ref struct SpanReader
{
private ReadOnlySpan<byte> _input;
public int Length => _input.Length;
public SpanReader(ReadOnlySpan<byte> input)
{
_input = input;
}
public T Read<T>() where T : unmanaged
{
T value = MemoryMarshal.Cast<byte, T>(_input)[0];
_input = _input.Slice(Unsafe.SizeOf<T>());
return value;
}
public ReadOnlySpan<byte> GetSpan(int size)
{
ReadOnlySpan<byte> data = _input.Slice(0, size);
_input = _input.Slice(size);
return data;
}
public T ReadAt<T>(int offset) where T : unmanaged
{
return MemoryMarshal.Cast<byte, T>(_input.Slice(offset))[0];
}
public ReadOnlySpan<byte> GetSpanAt(int offset, int size)
{
return _input.Slice(offset, size);
}
public void Skip(int size)
{
_input = _input.Slice(size);
}
}
}