74 lines
2.5 KiB
C#
74 lines
2.5 KiB
C#
/*
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Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
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All rights reserved.
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*/
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using System;
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using System.IO;
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using NoisyCowStudios.Bin2Object;
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namespace Il2CppInspector
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{
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public interface IFileFormatReader
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{
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BinaryObjectReader Stream { get; }
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long Position { get; set; }
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string Arch { get; }
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uint GlobalOffset { get; }
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uint[] GetSearchLocations();
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U ReadMappedObject<U>(uint uiAddr) where U : new();
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U[] ReadMappedArray<U>(uint uiAddr, int count) where U : new();
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uint MapVATR(uint uiAddr);
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void FinalizeInit(Il2CppReader il2cpp);
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byte[] ReadBytes(int count);
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ulong ReadUInt64();
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uint ReadUInt32();
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ushort ReadUInt16();
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byte ReadByte();
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}
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internal class FileFormatReader<T> : BinaryObjectReader, IFileFormatReader where T : FileFormatReader<T>
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{
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public FileFormatReader(Stream stream) : base(stream) { }
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public BinaryObjectReader Stream => this;
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public uint GlobalOffset { get; protected set; }
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public virtual string Arch => throw new NotImplementedException();
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public static T Load(string filename, uint offset = 0) {
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using (var stream = new FileStream(filename, FileMode.Open))
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return Load(stream, offset);
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}
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public static T Load(Stream stream, uint offset = 0) {
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stream.Position = offset;
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var pe = (T) Activator.CreateInstance(typeof(T), stream);
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return pe.Init() ? pe : null;
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}
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// Confirm file is valid and set up RVA mappings
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protected virtual bool Init() => throw new NotImplementedException();
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// Find search locations in the machine code for Il2Cpp data
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public virtual uint[] GetSearchLocations() => throw new NotImplementedException();
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// Map an RVA to an offset into the file image
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public virtual uint MapVATR(uint uiAddr) => throw new NotImplementedException();
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// Retrieve object(s) from specified RVA(s)
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public U ReadMappedObject<U>(uint uiAddr) where U : new() {
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return ReadObject<U>(MapVATR(uiAddr));
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}
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public U[] ReadMappedArray<U>(uint uiAddr, int count) where U : new() {
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return ReadArray<U>(MapVATR(uiAddr), count);
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}
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// Perform file format-based post-load manipulations to the IL2Cpp data
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public virtual void FinalizeInit(Il2CppReader il2cpp) { }
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}
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} |