90 lines
3.5 KiB
C#
90 lines
3.5 KiB
C#
/*************************************************************************
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* ModernUO *
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* Copyright 2019-2020 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: SpanReadExtensions.cs *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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*************************************************************************/
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using System.Buffers.Binary;
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using System.Runtime.CompilerServices;
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namespace System.Buffers
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{
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public static class SpanReadExtensions
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static byte ReadInt8(this Span<byte> span, ref int pos) => span[pos++];
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static short ReadInt16(this Span<byte> span, ref int pos)
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{
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var v = BinaryPrimitives.ReadInt16BigEndian(span.Slice(pos, 2));
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pos += 2;
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return v;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static ushort ReadUInt16(this Span<byte> span, ref int pos)
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{
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var v = BinaryPrimitives.ReadUInt16BigEndian(span.Slice(pos, 2));
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pos += 2;
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return v;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static int ReadInt32(this Span<byte> span, ref int pos)
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{
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var v = BinaryPrimitives.ReadInt32BigEndian(span.Slice(pos, 4));
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pos += 4;
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return v;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static uint ReadUInt32(this Span<byte> span, ref int pos)
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{
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var v = BinaryPrimitives.ReadUInt32BigEndian(span.Slice(pos, 4));
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pos += 4;
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return v;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static short ReadInt16LE(this Span<byte> span, ref int pos)
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{
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var v = BinaryPrimitives.ReadInt16LittleEndian(span.Slice(pos, 2));
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pos += 2;
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return v;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static ushort ReadUInt16LE(this Span<byte> span, ref int pos)
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{
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var v = BinaryPrimitives.ReadUInt16LittleEndian(span.Slice(pos, 2));
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pos += 2;
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return v;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static int ReadInt32LE(this Span<byte> span, ref int pos)
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{
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var v = BinaryPrimitives.ReadInt32LittleEndian(span.Slice(pos, 4));
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pos += 4;
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return v;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static uint ReadUInt32LE(this Span<byte> span, ref int pos)
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{
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var v = BinaryPrimitives.ReadUInt32LittleEndian(span.Slice(pos, 4));
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pos += 4;
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return v;
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}
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}
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}
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