private string AttributeDataToString(BlobValue blobValue)
{
//TODO enum
if (blobValue.Value == null)
{
return("null");
}
switch (blobValue.il2CppTypeEnum)
{
case Il2CppTypeEnum.IL2CPP_TYPE_STRING:
return($"\"{blobValue.Value}\"");
case Il2CppTypeEnum.IL2CPP_TYPE_SZARRAY:
var array = (BlobValue[])blobValue.Value;
var list = new List <string>();
foreach (var item in array)
{
list.Add(AttributeDataToString(item));
}
return($"new[] {{ {string.Join(", ", list)} }}");
case Il2CppTypeEnum.IL2CPP_TYPE_IL2CPP_TYPE_INDEX:
var il2CppType = (Il2CppType)blobValue.Value;
return($"typeof({executor.GetTypeName(il2CppType, false, false)})");
default:
return(blobValue.Value.ToString());
}
}
private TypeReference GetBlobValueTypeReference(BlobValue blobValue, MemberReference memberReference)
{
if (blobValue.EnumType != null)
{
return(GetTypeReference(memberReference, blobValue.EnumType));
}
var il2CppType = new Il2CppType();
il2CppType.type = blobValue.il2CppTypeEnum;
return(GetTypeReference(memberReference, il2CppType));
}
private CustomAttributeArgument CreateCustomAttributeArgument(TypeReference typeReference, BlobValue blobValue, MemberReference memberReference)
{
var val = blobValue.Value;
if (typeReference.FullName == "System.Object")
{
val = new CustomAttributeArgument(GetBlobValueTypeReference(blobValue, memberReference), val);
}
else if (val == null)
{
return(new CustomAttributeArgument(typeReference, val));
}
else if (typeReference is ArrayType arrayType)
{
var arrayVal = (BlobValue[])val;
var array = new CustomAttributeArgument[arrayVal.Length];
var elementType = arrayType.ElementType;
for (int i = 0; i < arrayVal.Length; i++)
{
array[i] = CreateCustomAttributeArgument(elementType, arrayVal[i], memberReference);
}
val = array;
}
else if (typeReference.FullName == "System.Type")
{
val = GetTypeReference(memberReference, (Il2CppType)val);
}
return(new CustomAttributeArgument(typeReference, val));
}
public bool GetConstantValueFromBlob(Il2CppTypeEnum type, BinaryReader reader, out BlobValue value)
{
value = new BlobValue();
value.il2CppTypeEnum = type;
switch (type)
{
case Il2CppTypeEnum.IL2CPP_TYPE_BOOLEAN:
value.Value = reader.ReadBoolean();
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_U1:
value.Value = reader.ReadByte();
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_I1:
value.Value = reader.ReadSByte();
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_CHAR:
value.Value = BitConverter.ToChar(reader.ReadBytes(2), 0);
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_U2:
value.Value = reader.ReadUInt16();
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_I2:
value.Value = reader.ReadInt16();
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_U4:
if (il2Cpp.Version >= 29)
{
value.Value = reader.ReadCompressedUInt32();
}
else
{
value.Value = reader.ReadUInt32();
}
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_I4:
if (il2Cpp.Version >= 29)
{
value.Value = reader.ReadCompressedInt32();
}
else
{
value.Value = reader.ReadInt32();
}
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_U8:
value.Value = reader.ReadUInt64();
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_I8:
value.Value = reader.ReadInt64();
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_R4:
value.Value = reader.ReadSingle();
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_R8:
value.Value = reader.ReadDouble();
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_STRING:
int length;
if (il2Cpp.Version >= 29)
{
length = reader.ReadCompressedInt32();
if (length == -1)
{
value.Value = null;
}
else
{
value.Value = Encoding.UTF8.GetString(reader.ReadBytes(length));
}
}
else
{
length = reader.ReadInt32();
value.Value = reader.ReadString(length);
}
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_SZARRAY:
var arrayLen = reader.ReadCompressedInt32();
if (arrayLen == -1)
{
value.Value = null;
}
else
{
var array = new BlobValue[arrayLen];
var arrayElementType = ReadEncodedTypeEnum(reader, out var enumType);
var arrayElementsAreDifferent = reader.ReadByte();
for (int i = 0; i < arrayLen; i++)
{
var elementType = arrayElementType;
if (arrayElementsAreDifferent == 1)
{
elementType = ReadEncodedTypeEnum(reader, out enumType);
}
GetConstantValueFromBlob(elementType, reader, out var data);
data.il2CppTypeEnum = elementType;
data.EnumType = enumType;
array[i] = data;
}
value.Value = array;
}
return(true);
case Il2CppTypeEnum.IL2CPP_TYPE_IL2CPP_TYPE_INDEX:
var typeIndex = reader.ReadCompressedInt32();
if (typeIndex == -1)
{
value.Value = null;
}
else
{
value.Value = il2Cpp.types[typeIndex];
}
return(true);
default:
value = null;
return(false);
}
}
