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* PPTC meets ExeFS Patching. * InternalVersion = 1865 * Ready! * Optimized the PtcProfiler Load/Save methods.
179 lines
5.3 KiB
C#
179 lines
5.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace ARMeilleure.Translation.PTC
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{
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static class PtcFormatter
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{
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#region "Deserialize"
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static Dictionary<TKey, TValue> DeserializeDictionary<TKey, TValue>(Stream stream, Func<Stream, TValue> valueFunc) where TKey : struct
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{
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Dictionary<TKey, TValue> dictionary = new();
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int count = DeserializeStructure<int>(stream);
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for (int i = 0; i < count; i++)
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{
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TKey key = DeserializeStructure<TKey>(stream);
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TValue value = valueFunc(stream);
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dictionary.Add(key, value);
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}
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return dictionary;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static List<T> DeserializeList<T>(Stream stream) where T : struct
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{
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List<T> list = new();
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int count = DeserializeStructure<int>(stream);
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for (int i = 0; i < count; i++)
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{
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T item = DeserializeStructure<T>(stream);
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list.Add(item);
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}
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return list;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static T DeserializeStructure<T>(Stream stream) where T : struct
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{
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T structure = default(T);
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Span<T> spanT = MemoryMarshal.CreateSpan(ref structure, 1);
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int bytesCount = stream.Read(MemoryMarshal.AsBytes(spanT));
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if (bytesCount != Unsafe.SizeOf<T>())
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{
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throw new EndOfStreamException();
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}
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return structure;
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}
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#endregion
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#region "GetSerializeSize"
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static int GetSerializeSizeDictionary<TKey, TValue>(Dictionary<TKey, TValue> dictionary, Func<TValue, int> valueFunc) where TKey : struct
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{
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int size = 0;
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size += Unsafe.SizeOf<int>();
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foreach ((_, TValue value) in dictionary)
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{
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size += Unsafe.SizeOf<TKey>();
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size += valueFunc(value);
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}
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return size;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static int GetSerializeSizeList<T>(List<T> list) where T : struct
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{
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int size = 0;
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size += Unsafe.SizeOf<int>();
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size += list.Count * Unsafe.SizeOf<T>();
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return size;
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}
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#endregion
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#region "Serialize"
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void SerializeDictionary<TKey, TValue>(Stream stream, Dictionary<TKey, TValue> dictionary, Action<Stream, TValue> valueAction) where TKey : struct
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{
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SerializeStructure<int>(stream, dictionary.Count);
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foreach ((TKey key, TValue value) in dictionary)
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{
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SerializeStructure<TKey>(stream, key);
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valueAction(stream, value);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void SerializeList<T>(Stream stream, List<T> list) where T : struct
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{
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SerializeStructure<int>(stream, list.Count);
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foreach (T item in list)
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{
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SerializeStructure<T>(stream, item);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void SerializeStructure<T>(Stream stream, T structure) where T : struct
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{
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Span<T> spanT = MemoryMarshal.CreateSpan(ref structure, 1);
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stream.Write(MemoryMarshal.AsBytes(spanT));
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}
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#endregion
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#region "Extension methods"
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void ReadFrom<T>(this List<T[]> list, Stream stream) where T : struct
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{
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int count = DeserializeStructure<int>(stream);
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for (int i = 0; i < count; i++)
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{
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int itemLength = DeserializeStructure<int>(stream);
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T[] item = new T[itemLength];
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int bytesCount = stream.Read(MemoryMarshal.AsBytes(item.AsSpan()));
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if (bytesCount != itemLength)
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{
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throw new EndOfStreamException();
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}
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list.Add(item);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static long Length<T>(this List<T[]> list) where T : struct
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{
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long size = 0L;
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size += Unsafe.SizeOf<int>();
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foreach (T[] item in list)
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{
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size += Unsafe.SizeOf<int>();
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size += item.Length;
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}
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return size;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void WriteTo<T>(this List<T[]> list, Stream stream) where T : struct
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{
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SerializeStructure<int>(stream, list.Count);
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foreach (T[] item in list)
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{
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SerializeStructure<int>(stream, item.Length);
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stream.Write(MemoryMarshal.AsBytes(item.AsSpan()));
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}
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}
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#endregion
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}
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} |