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