chizui/Il2CppInspectorRedux
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Re-factor Metadata and file format code

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This commit is contained in:
Katy Coe
2017-10-23 14:03:41 +02:00
parent 6e6e7d86e0
commit 474faa009c
12 changed files with 91 additions and 99 deletions
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55
Il2CppInspector/Metadata.cs
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@@ -6,8 +6,8 @@
*/
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using NoisyCowStudios.Bin2Object;
@@ -15,18 +15,15 @@ namespace Il2CppInspector
{
public class Metadata : BinaryObjectReader
{
private Il2CppGlobalMetadataHeader pMetadataHdr;
public Il2CppGlobalMetadataHeader Header;
public Il2CppImageDefinition[] Images { get; }
public Il2CppTypeDefinition[] Types { get; }
public Il2CppMethodDefinition[] Methods { get; }
public Il2CppParameterDefinition[] parameterDefs;
public Il2CppParameterDefinition[] Params { get; }
public Il2CppFieldDefinition[] Fields { get; }
public Il2CppFieldDefaultValue[] fieldDefaultValues;
public string GetImageName(Il2CppImageDefinition image) => GetString(image.nameIndex);
public string GetTypeNamespace(Il2CppTypeDefinition type) => GetString(type.namespaceIndex);
public string GetTypeName(Il2CppTypeDefinition type) => GetString(type.nameIndex);
public Il2CppFieldDefaultValue[] FieldDefaultValues { get; }
public Dictionary<int, string> Strings { get; } = new Dictionary<int, string>();
public Metadata(Stream stream) : base(stream)
{
@@ -40,40 +37,24 @@ namespace Il2CppInspector
// Rewind and read metadata header in full
Position -= 8;
pMetadataHdr = ReadObject<Il2CppGlobalMetadataHeader>();
Header = ReadObject<Il2CppGlobalMetadataHeader>();
if (Version != 21 && Version != 22 && Version != 23)
{
throw new Exception($"ERROR: Metadata file supplied is not a supported version ({pMetadataHdr.version}).");
throw new Exception($"ERROR: Metadata file supplied is not a supported version ({Header.version}).");
}
var uiImageCount = pMetadataHdr.imagesCount / Sizeof(typeof(Il2CppImageDefinition));
var uiNumTypes = pMetadataHdr.typeDefinitionsCount / Sizeof(typeof(Il2CppTypeDefinition));
Images = ReadArray<Il2CppImageDefinition>(pMetadataHdr.imagesOffset, uiImageCount);
//GetTypeDefFromIndex
Types = ReadArray<Il2CppTypeDefinition>(pMetadataHdr.typeDefinitionsOffset, uiNumTypes);
//GetMethodDefinition
Methods = ReadArray<Il2CppMethodDefinition>(pMetadataHdr.methodsOffset, pMetadataHdr.methodsCount / Sizeof(typeof(Il2CppMethodDefinition)));
//GetParameterFromIndex
parameterDefs = ReadArray<Il2CppParameterDefinition>(pMetadataHdr.parametersOffset, pMetadataHdr.parametersCount / Sizeof(typeof(Il2CppParameterDefinition)));
//GetFieldDefFromIndex
Fields = ReadArray<Il2CppFieldDefinition>(pMetadataHdr.fieldsOffset, pMetadataHdr.fieldsCount / Sizeof(typeof(Il2CppFieldDefinition)));
//GetFieldDefaultFromIndex
fieldDefaultValues = ReadArray<Il2CppFieldDefaultValue>(pMetadataHdr.fieldDefaultValuesOffset, pMetadataHdr.fieldDefaultValuesCount / Sizeof(typeof(Il2CppFieldDefaultValue)));
}
// Load all the relevant metadata using offsets provided in the header
Images = ReadArray<Il2CppImageDefinition>(Header.imagesOffset, Header.imagesCount / Sizeof(typeof(Il2CppImageDefinition)));
Types = ReadArray<Il2CppTypeDefinition>(Header.typeDefinitionsOffset, Header.typeDefinitionsCount / Sizeof(typeof(Il2CppTypeDefinition)));
Methods = ReadArray<Il2CppMethodDefinition>(Header.methodsOffset, Header.methodsCount / Sizeof(typeof(Il2CppMethodDefinition)));
Params = ReadArray<Il2CppParameterDefinition>(Header.parametersOffset, Header.parametersCount / Sizeof(typeof(Il2CppParameterDefinition)));
Fields = ReadArray<Il2CppFieldDefinition>(Header.fieldsOffset, Header.fieldsCount / Sizeof(typeof(Il2CppFieldDefinition)));
FieldDefaultValues = ReadArray<Il2CppFieldDefaultValue>(Header.fieldDefaultValuesOffset, Header.fieldDefaultValuesCount / Sizeof(typeof(Il2CppFieldDefaultValue)));
// TODO: Events, Properties, ParameterDefaultValue, GenericParameters, ParameterConstraints, GenericContainers, Interfaces, MetadataUsage, CustomAttributes
public Il2CppFieldDefaultValue GetFieldDefaultFromIndex(int idx)
{
return fieldDefaultValues.FirstOrDefault(x => x.fieldIndex == idx);
}
public int GetDefaultValueFromIndex(int idx)
{
return pMetadataHdr.fieldAndParameterDefaultValueDataOffset + idx;
}
public string GetString(int idx)
{
return ReadNullTerminatedString(pMetadataHdr.stringOffset + idx);
Position = Header.stringOffset;
while (Position < Header.stringOffset + Header.stringCount)
Strings.Add((int)Position - Header.stringOffset, ReadNullTerminatedString());
}
private int Sizeof(Type type)