public void Process(AspectContext context)
{
var interfaceInjectionDefinitions = from ca in context.AdviceClassType.CustomAttributes
where ca.IsAttributeOfType <AdviceInterfaceProxyAttribute>()
select new { @interface = (TypeReference)ca.ConstructorArguments[0].Value };
foreach (var interfaceInjectionDefinition in interfaceInjectionDefinitions)
{
var interfaceReference = interfaceInjectionDefinition.@interface;
//todo:: process other InterfaceProxyInjectionAttribute parameters
var interfaceInjectionContext = new InterfaceInjectionContext
{
AspectContext = context,
InterfaceDefinition = [email protected]()
};
FillinInterfaceMembers(interfaceInjectionContext);
//some validation
_injector.Inject(interfaceInjectionContext);
}
}
protected virtual void FillinInterfaceMembers(InterfaceInjectionContext context)
{
var aspectDefinition = context.AspectContext.AdviceClassType;
var interfaceDefinition = context.InterfaceDefinition;
var classDefinition = context.AspectContext.TargetTypeContext;
if (!context.InterfaceDefinition.IsInterface)
{
throw new CompilationException(context.InterfaceDefinition.Name + " is not an interface on interface injection definition on acpect " + aspectDefinition.Name, aspectDefinition);
}
if (!context.AspectContext.AdviceClassType.ImplementsInterface(context.InterfaceDefinition))
{
throw new CompilationException(aspectDefinition.Name + " should implement " + interfaceDefinition.Name, aspectDefinition);
}
if (!classDefinition.TypeDefinition.ImplementsInterface(interfaceDefinition))
{
var ifaces = interfaceDefinition.GetInterfacesTree();
foreach (var iface in ifaces)
{
classDefinition.TypeDefinition.Interfaces.Add(classDefinition.TypeDefinition.Module.Import(iface));
}
}
else if (!classDefinition.TypeDefinition.Interfaces.Any(i => i.IsTypeOf(interfaceDefinition)))
{
//In order to behave the same as csc
classDefinition.TypeDefinition.Interfaces.Add(classDefinition.TypeDefinition.Module.Import(interfaceDefinition));
}
context.Methods = interfaceDefinition.GetInterfaceTreeMembers(td => td.Methods)
.Where(m => !m.IsAddOn && !m.IsRemoveOn && !m.IsSetter && !m.IsGetter)
.ToArray();
context.Properties = interfaceDefinition.GetInterfaceTreeMembers(td => td.Properties)
.ToArray();
context.Events = interfaceDefinition.GetInterfaceTreeMembers(td => td.Events)
.ToArray();
}