Add image processing and memory management features
Added new namespace `Misaki.HighPerformance.Image` for image processing, including classes for animated GIF handling and memory management. Added `AnimatedFrameResult` class for individual frames in animated images. Added `AnimatedGifEnumerator` class for enumerating frames in animated GIFs. Added `ColorComponents` enum for different color formats. Added `ImageInfo` struct for image dimensions and color components. Added `CRuntime` class for low-level memory management functions. Added `MemoryStats` class to track memory allocation statistics. Added utility functions for creating multi-dimensional arrays. Added new structures for fixed-size UTF-8 encoded strings. Added benchmarking classes to test new memory management features. Changed `StbImage.cs` to include new namespaces and functionality for image data manipulation. Changed project files to target .NET 9.0 and enable new features. Changed `Arena.cs` and `DynamicArena.cs` to use `nuint` for size parameters. Changed `BitSet.cs` to enhance bit manipulation methods. Changed `Program.cs` to run `FunctionPtrBenchmark` for performance testing. Removed memory tracking code from `AllocationManager.cs`, including the `_allocated` dictionary and related logic. Removed `Free` method from `IAllocator.cs` interface. Removed `UNSAFE_COLLECTION_CHECK` preprocessor directive from the codebase. Refactored various files to improve organization, moving from `Unsafe` to `LowLevel` namespace. Refactored `MemoryUtilities` class to include new memory operation methods. Refactored `UnsafeUtilities.cs` to support new collection structures.
This commit is contained in:
926
Misaki.HighPerformance.LowLevel/Buffer/FixedStackString.cs
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926
Misaki.HighPerformance.LowLevel/Buffer/FixedStackString.cs
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@@ -0,0 +1,926 @@
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace Misaki.HighPerformance.LowLevel.Buffer;
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/// <summary>
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/// Represents a stack allocated fixed-size UTF-8 encoded string of length 32 bytes.
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/// </summary>
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/// <remarks>
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/// This struct is designed to hold data on the stack. Every copy of this struct causes a copy of the underlying data.
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/// If you need a heap allocated fixed-size UTF-8 encoded string of length 32 bytes, consider using <see cref="Misaki.HighPerformance.Unsafe.Buffer.FixedString32"/>.
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/// </remarks>
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[StructLayout(LayoutKind.Sequential, Size = 32)]
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public unsafe struct FixedStackString32
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{
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private ushort _length;
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private fixed byte _buffer[30];
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public ushort Length => _length;
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public string Value
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{
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get
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{
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fixed (byte* bufferPtr = _buffer)
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{
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return Encoding.UTF8.GetString(bufferPtr, _length);
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}
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}
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set
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{
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if (string.IsNullOrEmpty(value))
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{
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_length = 0;
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return;
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}
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var maxBytes = Encoding.UTF8.GetByteCount(value);
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if (maxBytes > 30)
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{
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throw new ArgumentException("Input string is too long to fit in FixedStackString32.");
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}
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fixed (byte* bufferPtr = _buffer)
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{
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_length = (ushort)Encoding.UTF8.GetBytes(value, new Span<byte>(bufferPtr, 30));
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}
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}
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}
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public FixedStackString32(ReadOnlySpan<char> input)
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{
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var maxBytes = Encoding.UTF8.GetByteCount(input);
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if (maxBytes > 30)
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{
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throw new ArgumentException("Input string is too long to fit in FixedString32.");
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}
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fixed (char* inputPtr = input)
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fixed (byte* bufferPtr = _buffer)
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{
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var actualByteCount = Encoding.UTF8.GetBytes(inputPtr, input.Length, bufferPtr, 30);
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_length = (ushort)actualByteCount;
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}
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}
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public FixedStackString32(string input)
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: this(input.AsSpan())
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{
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}
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public FixedStackString32(char* input, ushort length)
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: this(new Span<char>(input, length))
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{
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}
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public FixedStackString32(ReadOnlySpan<byte> input)
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{
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if (input.Length > 30)
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{
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throw new ArgumentException("Input byte array is too long to fit in FixedString32.");
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}
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_length = (ushort)input.Length;
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fixed (byte* inputPtr = input)
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fixed (byte* bufferPtr = _buffer)
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{
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SystemUnsfae.CopyBlockUnaligned(bufferPtr, inputPtr, _length);
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}
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}
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public FixedStackString32(byte* input, ushort length)
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: this(new ReadOnlySpan<byte>(input, length))
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{
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public Span<byte> AsSpan()
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{
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fixed (byte* ptr = _buffer)
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{
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return new(ptr, _length);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public byte* GetUnsafePointer()
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{
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fixed (byte* ptr = _buffer)
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{
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return ptr;
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}
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}
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public override string ToString()
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{
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return Value;
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}
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}
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/// <summary>
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/// Represents a stack allocated fixed-size UTF-8 encoded string of length 64 bytes.
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/// </summary>
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/// <remarks>
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/// This struct is designed to hold data on the stack. Every copy of this struct causes a copy of the underlying data.
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/// If you need a heap allocated fixed-size UTF-8 encoded string of length 64 bytes, consider using <see cref="Misaki.HighPerformance.Unsafe.Buffer.FixedString64"/>.
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/// </remarks>
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[StructLayout(LayoutKind.Sequential, Size = 64)]
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public unsafe struct FixedStackString64
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{
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private ushort _length;
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private fixed byte _buffer[62];
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public ushort Length => _length;
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public string Value
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{
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get
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{
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fixed (byte* bufferPtr = _buffer)
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{
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return Encoding.UTF8.GetString(bufferPtr, _length);
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}
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}
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set
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{
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if (string.IsNullOrEmpty(value))
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{
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_length = 0;
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return;
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}
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var maxBytes = Encoding.UTF8.GetByteCount(value);
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if (maxBytes > 62)
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{
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throw new ArgumentException("Input string is too long to fit in FixedStackString64.");
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}
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fixed (byte* bufferPtr = _buffer)
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{
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_length = (ushort)Encoding.UTF8.GetBytes(value, new Span<byte>(bufferPtr, 62));
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}
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}
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}
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public FixedStackString64(ReadOnlySpan<char> input)
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{
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var maxBytes = Encoding.UTF8.GetByteCount(input);
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if (maxBytes > 62)
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{
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throw new ArgumentException("Input string is too long to fit in FixedString64.");
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}
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fixed (char* inputPtr = input)
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fixed (byte* bufferPtr = _buffer)
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{
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var actualByteCount = Encoding.UTF8.GetBytes(inputPtr, input.Length, bufferPtr, 62);
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_length = (ushort)actualByteCount;
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}
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}
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public FixedStackString64(string input)
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: this(input.AsSpan())
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{
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}
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public FixedStackString64(char* input, ushort length)
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: this(new Span<char>(input, length))
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{
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}
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public FixedStackString64(ReadOnlySpan<byte> input)
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{
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if (input.Length > 62)
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{
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throw new ArgumentException("Input byte array is too long to fit in FixedString64.");
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}
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_length = (ushort)input.Length;
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fixed (byte* inputPtr = input)
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fixed (byte* bufferPtr = _buffer)
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{
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SystemUnsfae.CopyBlockUnaligned(bufferPtr, inputPtr, _length);
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}
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}
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public FixedStackString64(byte* input, ushort length)
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: this(new ReadOnlySpan<byte>(input, length))
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{
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public Span<byte> AsSpan()
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{
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fixed (byte* ptr = _buffer)
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{
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return new(ptr, _length);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public byte* GetUnsafePointer()
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{
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fixed (byte* ptr = _buffer)
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{
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return ptr;
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}
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}
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public override string ToString()
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{
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return Value;
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}
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}
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/// <summary>
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/// Represents a stack allocated fixed-size UTF-8 encoded string of length 128 bytes.
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/// </summary>
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/// <remarks>
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/// This struct is designed to hold data on the stack. Every copy of this struct causes a copy of the underlying data.
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/// If you need a heap allocated fixed-size UTF-8 encoded string of length 128 bytes, consider using <see cref="Misaki.HighPerformance.Unsafe.Buffer.FixedString128"/>.
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/// </remarks>
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[StructLayout(LayoutKind.Sequential, Size = 128)]
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public unsafe struct FixedStackString128
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{
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private ushort _length;
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private fixed byte _buffer[126];
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public ushort Length => _length;
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public string Value
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{
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get
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{
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fixed (byte* bufferPtr = _buffer)
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{
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return Encoding.UTF8.GetString(bufferPtr, _length);
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}
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}
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set
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{
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if (string.IsNullOrEmpty(value))
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{
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_length = 0;
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return;
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}
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var maxBytes = Encoding.UTF8.GetByteCount(value);
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if (maxBytes > 126)
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{
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throw new ArgumentException("Input string is too long to fit in FixedStackString128.");
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}
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fixed (byte* bufferPtr = _buffer)
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{
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_length = (ushort)Encoding.UTF8.GetBytes(value, new Span<byte>(bufferPtr, 126));
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}
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}
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}
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public FixedStackString128(ReadOnlySpan<char> input)
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{
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var maxBytes = Encoding.UTF8.GetByteCount(input);
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if (maxBytes > 126)
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{
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throw new ArgumentException("Input string is too long to fit in FixedString128.");
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}
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fixed (char* inputPtr = input)
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fixed (byte* bufferPtr = _buffer)
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{
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var actualByteCount = Encoding.UTF8.GetBytes(inputPtr, input.Length, bufferPtr, 126);
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_length = (ushort)actualByteCount;
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}
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}
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public FixedStackString128(string input)
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: this(input.AsSpan())
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{
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}
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public FixedStackString128(char* input, ushort length)
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: this(new Span<char>(input, length))
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{
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}
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public FixedStackString128(ReadOnlySpan<byte> input)
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{
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if (input.Length > 126)
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{
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throw new ArgumentException("Input byte array is too long to fit in FixedString128.");
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}
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_length = (ushort)input.Length;
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fixed (byte* inputPtr = input)
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fixed (byte* bufferPtr = _buffer)
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{
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SystemUnsfae.CopyBlockUnaligned(bufferPtr, inputPtr, _length);
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}
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}
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public FixedStackString128(byte* input, ushort length)
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: this(new ReadOnlySpan<byte>(input, length))
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{
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}
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|
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public Span<byte> AsSpan()
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{
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fixed (byte* ptr = _buffer)
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{
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return new(ptr, _length);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public byte* GetUnsafePointer()
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{
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fixed (byte* ptr = _buffer)
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{
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return ptr;
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}
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||||
}
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|
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public override string ToString()
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{
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return Value;
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}
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}
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/// <summary>
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/// Represents a stack allocated fixed-size UTF-8 encoded string of length 256 bytes.
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/// </summary>
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/// <remarks>
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/// This struct is designed to hold data on the stack. Every copy of this struct causes a copy of the underlying data.
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/// If you need a heap allocated fixed-size UTF-8 encoded string of length 256 bytes, consider using <see cref="Misaki.HighPerformance.Unsafe.Buffer.FixedString256"/>.
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/// </remarks>
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[StructLayout(LayoutKind.Sequential, Size = 256)]
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public unsafe struct FixedStackString256
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{
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private ushort _length;
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private fixed byte _buffer[254];
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public ushort Length => _length;
|
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public string Value
|
||||
{
|
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get
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||||
{
|
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fixed (byte* bufferPtr = _buffer)
|
||||
{
|
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return Encoding.UTF8.GetString(bufferPtr, _length);
|
||||
}
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}
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set
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||||
{
|
||||
if (string.IsNullOrEmpty(value))
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||||
{
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||||
_length = 0;
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return;
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||||
}
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var maxBytes = Encoding.UTF8.GetByteCount(value);
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if (maxBytes > 254)
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{
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throw new ArgumentException("Input string is too long to fit in FixedStackString256.");
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}
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|
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fixed (byte* bufferPtr = _buffer)
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{
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_length = (ushort)Encoding.UTF8.GetBytes(value, new Span<byte>(bufferPtr, 254));
|
||||
}
|
||||
}
|
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}
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public FixedStackString256(ReadOnlySpan<char> input)
|
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{
|
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var maxBytes = Encoding.UTF8.GetByteCount(input);
|
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if (maxBytes > 254)
|
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{
|
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throw new ArgumentException("Input string is too long to fit in FixedString256.");
|
||||
}
|
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|
||||
fixed (char* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
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var actualByteCount = Encoding.UTF8.GetBytes(inputPtr, input.Length, bufferPtr, 254);
|
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_length = (ushort)actualByteCount;
|
||||
}
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}
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public FixedStackString256(string input)
|
||||
: this(input.AsSpan())
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{
|
||||
}
|
||||
|
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public FixedStackString256(char* input, ushort length)
|
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: this(new Span<char>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
public FixedStackString256(ReadOnlySpan<byte> input)
|
||||
{
|
||||
if (input.Length > 254)
|
||||
{
|
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throw new ArgumentException("Input byte array is too long to fit in FixedString256.");
|
||||
}
|
||||
|
||||
_length = (ushort)input.Length;
|
||||
|
||||
fixed (byte* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
SystemUnsfae.CopyBlockUnaligned(bufferPtr, inputPtr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString256(byte* input, ushort length)
|
||||
: this(new ReadOnlySpan<byte>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public Span<byte> AsSpan()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return new(ptr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public byte* GetUnsafePointer()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return ptr;
|
||||
}
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Represents a stack allocated fixed-size UTF-8 encoded string of length 512 bytes.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// This struct is designed to hold data on the stack. Every copy of this struct causes a copy of the underlying data.
|
||||
/// If you need a heap allocated fixed-size UTF-8 encoded string of length 512 bytes, consider using <see cref="Misaki.HighPerformance.Unsafe.Buffer.FixedString512"/>.
|
||||
/// </remarks>
|
||||
[StructLayout(LayoutKind.Sequential, Size = 512)]
|
||||
public unsafe struct FixedStackString512
|
||||
{
|
||||
private ushort _length;
|
||||
private fixed byte _buffer[510];
|
||||
|
||||
public ushort Length => _length;
|
||||
public string Value
|
||||
{
|
||||
get
|
||||
{
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
return Encoding.UTF8.GetString(bufferPtr, _length);
|
||||
}
|
||||
}
|
||||
set
|
||||
{
|
||||
if (string.IsNullOrEmpty(value))
|
||||
{
|
||||
_length = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
var maxBytes = Encoding.UTF8.GetByteCount(value);
|
||||
if (maxBytes > 510)
|
||||
{
|
||||
throw new ArgumentException("Input string is too long to fit in FixedStackString512.");
|
||||
}
|
||||
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
_length = (ushort)Encoding.UTF8.GetBytes(value, new Span<byte>(bufferPtr, 510));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString512(ReadOnlySpan<char> input)
|
||||
{
|
||||
var maxBytes = Encoding.UTF8.GetByteCount(input);
|
||||
if (maxBytes > 510)
|
||||
{
|
||||
throw new ArgumentException("Input string is too long to fit in FixedString512.");
|
||||
}
|
||||
|
||||
fixed (char* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
var actualByteCount = Encoding.UTF8.GetBytes(inputPtr, input.Length, bufferPtr, 510);
|
||||
_length = (ushort)actualByteCount;
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString512(string input)
|
||||
: this(input.AsSpan())
|
||||
{
|
||||
}
|
||||
|
||||
public FixedStackString512(char* input, ushort length)
|
||||
: this(new Span<char>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
public FixedStackString512(ReadOnlySpan<byte> input)
|
||||
{
|
||||
if (input.Length > 510)
|
||||
{
|
||||
throw new ArgumentException("Input byte array is too long to fit in FixedString512.");
|
||||
}
|
||||
|
||||
_length = (ushort)input.Length;
|
||||
|
||||
fixed (byte* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
SystemUnsfae.CopyBlockUnaligned(bufferPtr, inputPtr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString512(byte* input, ushort length)
|
||||
: this(new ReadOnlySpan<byte>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public Span<byte> AsSpan()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return new(ptr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public byte* GetUnsafePointer()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return ptr;
|
||||
}
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Represents a stack allocated fixed-size UTF-8 encoded string of length 1024 bytes.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// This struct is designed to hold data on the stack. Every copy of this struct causes a copy of the underlying data.
|
||||
/// If you need a heap allocated fixed-size UTF-8 encoded string of length 1024 bytes, consider using <see cref="Misaki.HighPerformance.Unsafe.Buffer.FixedString1024"/>.
|
||||
/// </remarks>
|
||||
[StructLayout(LayoutKind.Sequential, Size = 1024)]
|
||||
public unsafe struct FixedStackString1024
|
||||
{
|
||||
private ushort _length;
|
||||
private fixed byte _buffer[1022];
|
||||
|
||||
public ushort Length => _length;
|
||||
public string Value
|
||||
{
|
||||
get
|
||||
{
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
return Encoding.UTF8.GetString(bufferPtr, _length);
|
||||
}
|
||||
}
|
||||
set
|
||||
{
|
||||
if (string.IsNullOrEmpty(value))
|
||||
{
|
||||
_length = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
var maxBytes = Encoding.UTF8.GetByteCount(value);
|
||||
if (maxBytes > 1022)
|
||||
{
|
||||
throw new ArgumentException("Input string is too long to fit in FixedStackString1024.");
|
||||
}
|
||||
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
_length = (ushort)Encoding.UTF8.GetBytes(value, new Span<byte>(bufferPtr, 1022));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString1024(ReadOnlySpan<char> input)
|
||||
{
|
||||
var maxBytes = Encoding.UTF8.GetByteCount(input);
|
||||
if (maxBytes > 1022)
|
||||
{
|
||||
throw new ArgumentException("Input string is too long to fit in FixedString1024.");
|
||||
}
|
||||
|
||||
fixed (char* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
var actualByteCount = Encoding.UTF8.GetBytes(inputPtr, input.Length, bufferPtr, 1022);
|
||||
_length = (ushort)actualByteCount;
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString1024(string input)
|
||||
: this(input.AsSpan())
|
||||
{
|
||||
}
|
||||
|
||||
public FixedStackString1024(char* input, ushort length)
|
||||
: this(new Span<char>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
public FixedStackString1024(ReadOnlySpan<byte> input)
|
||||
{
|
||||
if (input.Length > 1022)
|
||||
{
|
||||
throw new ArgumentException("Input byte array is too long to fit in FixedString1024.");
|
||||
}
|
||||
|
||||
_length = (ushort)input.Length;
|
||||
|
||||
fixed (byte* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
SystemUnsfae.CopyBlockUnaligned(bufferPtr, inputPtr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString1024(byte* input, ushort length)
|
||||
: this(new ReadOnlySpan<byte>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public Span<byte> AsSpan()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return new(ptr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public byte* GetUnsafePointer()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return ptr;
|
||||
}
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Represents a stack allocated fixed-size UTF-8 encoded string of length 2048 bytes.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// This struct is designed to hold data on the stack. Every copy of this struct causes a copy of the underlying data.
|
||||
/// If you need a heap allocated fixed-size UTF-8 encoded string of length 2048 bytes, consider using <see cref="Misaki.HighPerformance.Unsafe.Buffer.FixedString2048"/>.
|
||||
/// </remarks>
|
||||
[StructLayout(LayoutKind.Sequential, Size = 2048)]
|
||||
public unsafe struct FixedStackString2048
|
||||
{
|
||||
private ushort _length;
|
||||
private fixed byte _buffer[2046];
|
||||
|
||||
public ushort Length => _length;
|
||||
public string Value
|
||||
{
|
||||
get
|
||||
{
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
return Encoding.UTF8.GetString(bufferPtr, _length);
|
||||
}
|
||||
}
|
||||
set
|
||||
{
|
||||
if (string.IsNullOrEmpty(value))
|
||||
{
|
||||
_length = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
var maxBytes = Encoding.UTF8.GetByteCount(value);
|
||||
if (maxBytes > 2046)
|
||||
{
|
||||
throw new ArgumentException("Input string is too long to fit in FixedStackString2048.");
|
||||
}
|
||||
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
_length = (ushort)Encoding.UTF8.GetBytes(value, new Span<byte>(bufferPtr, 2046));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString2048(ReadOnlySpan<char> input)
|
||||
{
|
||||
var maxBytes = Encoding.UTF8.GetByteCount(input);
|
||||
if (maxBytes > 2046)
|
||||
{
|
||||
throw new ArgumentException("Input string is too long to fit in FixedString2048.");
|
||||
}
|
||||
|
||||
fixed (char* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
var actualByteCount = Encoding.UTF8.GetBytes(inputPtr, input.Length, bufferPtr, 2046);
|
||||
_length = (ushort)actualByteCount;
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString2048(string input)
|
||||
: this(input.AsSpan())
|
||||
{
|
||||
}
|
||||
|
||||
public FixedStackString2048(char* input, ushort length)
|
||||
: this(new Span<char>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
public FixedStackString2048(ReadOnlySpan<byte> input)
|
||||
{
|
||||
if (input.Length > 2046)
|
||||
{
|
||||
throw new ArgumentException("Input byte array is too long to fit in FixedString2048.");
|
||||
}
|
||||
|
||||
_length = (ushort)input.Length;
|
||||
|
||||
fixed (byte* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
SystemUnsfae.CopyBlockUnaligned(bufferPtr, inputPtr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString2048(byte* input, ushort length)
|
||||
: this(new ReadOnlySpan<byte>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public Span<byte> AsSpan()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return new(ptr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public byte* GetUnsafePointer()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return ptr;
|
||||
}
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Represents a stack allocated fixed-size UTF-8 encoded string of length 4096 bytes.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// This struct is designed to hold data on the stack. Every copy of this struct causes a copy of the underlying data.
|
||||
/// If you need a heap allocated fixed-size UTF-8 encoded string of length 4096 bytes, consider using <see cref="Misaki.HighPerformance.Unsafe.Buffer.FixedString4096"/>.
|
||||
/// </remarks>
|
||||
[StructLayout(LayoutKind.Sequential, Size = 4096)]
|
||||
public unsafe struct FixedStackString4096
|
||||
{
|
||||
private ushort _length;
|
||||
private fixed byte _buffer[4094];
|
||||
|
||||
public ushort Length => _length;
|
||||
public string Value
|
||||
{
|
||||
get
|
||||
{
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
return Encoding.UTF8.GetString(bufferPtr, _length);
|
||||
}
|
||||
}
|
||||
set
|
||||
{
|
||||
if (string.IsNullOrEmpty(value))
|
||||
{
|
||||
_length = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
var maxBytes = Encoding.UTF8.GetByteCount(value);
|
||||
if (maxBytes > 4094)
|
||||
{
|
||||
throw new ArgumentException("Input string is too long to fit in FixedStackString4096.");
|
||||
}
|
||||
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
_length = (ushort)Encoding.UTF8.GetBytes(value, new Span<byte>(bufferPtr, 4094));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString4096(ReadOnlySpan<char> input)
|
||||
{
|
||||
var maxBytes = Encoding.UTF8.GetByteCount(input);
|
||||
if (maxBytes > 4094)
|
||||
{
|
||||
throw new ArgumentException("Input string is too long to fit in FixedString4096.");
|
||||
}
|
||||
|
||||
fixed (char* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
var actualByteCount = Encoding.UTF8.GetBytes(inputPtr, input.Length, bufferPtr, 4094);
|
||||
_length = (ushort)actualByteCount;
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString4096(string input)
|
||||
: this(input.AsSpan())
|
||||
{
|
||||
}
|
||||
|
||||
public FixedStackString4096(char* input, ushort length)
|
||||
: this(new Span<char>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
public FixedStackString4096(ReadOnlySpan<byte> input)
|
||||
{
|
||||
if (input.Length > 4094)
|
||||
{
|
||||
throw new ArgumentException("Input byte array is too long to fit in FixedString4096.");
|
||||
}
|
||||
|
||||
_length = (ushort)input.Length;
|
||||
|
||||
fixed (byte* inputPtr = input)
|
||||
fixed (byte* bufferPtr = _buffer)
|
||||
{
|
||||
SystemUnsfae.CopyBlockUnaligned(bufferPtr, inputPtr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
public FixedStackString4096(byte* input, ushort length)
|
||||
: this(new ReadOnlySpan<byte>(input, length))
|
||||
{
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public Span<byte> AsSpan()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return new(ptr, _length);
|
||||
}
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public byte* GetUnsafePointer()
|
||||
{
|
||||
fixed (byte* ptr = _buffer)
|
||||
{
|
||||
return ptr;
|
||||
}
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user