Merge span extension functions in a single class and move S(RO)Span<T> to Utils.

Author: Warpten

TACTSharp/Extensions/BinarySearchExtensions.cs

@@ -2,6 +2,8 @@
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
+using TACTSharp.Utils;
+
 namespace TACTSharp.Extensions
 {
     internal static class BinarySearchExtensions

TACTSharp/Extensions/SpanExtensions.cs

@@ -1,5 +1,7 @@
 using System.Runtime.CompilerServices;
 
+using TACTSharp.Utils;
+
 namespace TACTSharp.Extensions
 {
     internal static class SpanExtensions
@@ -11,5 +13,33 @@ public static StridedReadOnlySpan<T> WithStride<T>(this ReadOnlySpan<T> span, in
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static StridedSpan<T> WithStride<T>(this Span<T> span, int stride)
             => new(span, stride);
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static ushort ReadUInt16BE(this ReadOnlySpan<byte> source)
+            => BinaryPrimitives.ReadUInt16BigEndian(source);
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static short ReadInt16BE(this ReadOnlySpan<byte> source)
+            => BinaryPrimitives.ReadInt16BigEndian(source);
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static int ReadInt24BE(this ReadOnlySpan<byte> source)
+            => source[2] | source[1] << 8 | source[0] << 16;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static int ReadInt32BE(this ReadOnlySpan<byte> source)
+            => BinaryPrimitives.ReadInt32BigEndian(source);
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static uint ReadUInt32BE(this ReadOnlySpan<byte> source)
+            => BinaryPrimitives.ReadUInt32BigEndian(source);
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static long ReadInt40BE(this ReadOnlySpan<byte> source)
+            => source[4] | source[3] << 8 | source[2] << 16 | source[1] << 24 | source[0] << 32;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static string ReadNullTermString(this ReadOnlySpan<byte> source)
+            => Encoding.UTF8.GetString(source[..source.IndexOf((byte)0)]);
     }
 }

TACTSharp/Utils/Extensions.cs

@@ -1,6 +1,6 @@
 using System.Runtime.CompilerServices;
 
-namespace TACTSharp
+namespace TACTSharp.Utils
 {
     internal readonly ref struct StridedSpan<T>(Span<T> data, int stride)
     {