daily update on 20240419 by nitload youmu, SSD merged into main stream

This commit is contained in:
YoumuLiu
2024-04-20 02:36:36 +08:00
parent efeb4ba058
commit 7b67eb2f4d
81 changed files with 4568 additions and 33 deletions
@@ -0,0 +1,100 @@
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="CodeCounter.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the “Software”), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software,
// and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and
// this permission notice shall be included in all copies
// or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED “AS IS”,
// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH
// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
using StgSharp.Data;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
namespace StgSharp.Data
{
public static class CodeSeparator
{
public static List<(T, ulong)> CountCodeFrequency<T>(T[] rawArray) where T : struct
{
Dictionary<T, ulong> frequencyCollection = new Dictionary<T, ulong>();
foreach (var item in rawArray)
{
if (frequencyCollection.ContainsKey(item))
{
frequencyCollection[item] += 1;
}
else
{
frequencyCollection.Add(item, 1);
}
}
return frequencyCollection.OrderByDescending(pair => pair.Value)
.Select(pair => (pair.Key, pair.Value)).ToList();
}
public static unsafe T[] SeparateCode<T>(string filePath) where T : struct
{
byte[] allByte = File.ReadAllBytes(filePath);
List<T> rawList = new List<T>();
fixed (byte* allBytePtr = allByte)
{
for (int i = 0; i < allByte.Length; i += Marshal.SizeOf<T>())
{
T t = new T();
t = *(T*)(allBytePtr + i);
rawList.Add(t);
}
}
return rawList.ToArray();
}
public static unsafe T[] SeparateCode<T>(byte[] stream) where T : struct
{
List<T> rawList = new List<T>();
fixed (byte* allBytePtr = stream)
{
for (int i = 0; i < stream.Length; i += Marshal.SizeOf<T>())
{
T t = new T();
t = *(T*)(allBytePtr + i);
rawList.Add(t);
}
}
return rawList.ToArray();
}
}
}