Exemplo n.º 1
0
        /// <summary>
        /// Initializes a new instance of the <see cref="InterfaceMetadata"/> class.
        /// </summary>
        /// <param name="type">The interface type.</param>
        public InterfaceMetadata(Type type)
        {
            var attribute = type.GetCustomAttribute(typeof(CrossComInterface), false) as CrossComInterface
                            ?? throw new InvalidOperationException($"Type {type} doesn't have {nameof(CrossComInterface)} attribute.");

            this.RcwType = attribute.RcwType;
            this.CcwType = attribute.CcwType;

            var parent = type.GetInterfaces().OrderBy(t => t.GetInterfaces().Length).LastOrDefault();
            var parentVirtualTableSize = 0;

            if (type != typeof(IUnknown) && parent != null && typeof(IUnknown).IsAssignableFrom(parent))
            {
                parentVirtualTableSize = GetValue(parent).VirtualTableSize;
            }

            var delegates  = type.GetNestedTypes(BindingFlags.Public | BindingFlags.NonPublic).Where(t => typeof(Delegate).IsAssignableFrom(t));
            var attributes = delegates.Select(t => new { Delegate = t, Attr = t.GetCustomAttribute(typeof(CrossComMethod), false) as CrossComMethod })
                             .Where(attr => attr.Attr != null)
                             .OrderBy(attr => attr.Attr !.Order)
                             .ToList();

            for (int i = 0; i < attributes.Count; i++)
            {
                VirtualMethodMetadata.AddValue(attributes[i].Delegate, i + parentVirtualTableSize);
            }

            this.VirtualTableSize = parentVirtualTableSize + attributes.Count;
        }
Exemplo n.º 2
0
        public ImportedInterfaceMetadata(Type type)
        {
            var attribute = type.GetCustomAttribute(typeof(CrossComInterfaceImport), false) as CrossComInterfaceImport;

            this.Guid           = Guid.Parse(attribute.Guid);
            this.Implementation = attribute.Implementation;

            var parent = type.GetInterfaces().OrderBy(t => t.GetInterfaces().Length).LastOrDefault();
            var parentVirtualTableSize = 0;

            if (type != typeof(IUnknown) && parent != null)
            {
                parentVirtualTableSize = GetValue(parent).VirtualTableSize;
            }

            var delegates  = type.GetNestedTypes(BindingFlags.Public | BindingFlags.NonPublic).Where(t => typeof(Delegate).IsAssignableFrom(t));
            var attributes = delegates.Select(t => new { Delegate = t, Attr = t.GetCustomAttribute(typeof(CrossComMethod), false) as CrossComMethod })
                             .Where(attr => attr.Attr != null)
                             .OrderBy(attr => attr.Attr.Order)
                             .ToList();

            for (int i = 0; i < attributes.Count; i++)
            {
                VirtualMethodMetadata.AddValue(attributes[i].Delegate, i + parentVirtualTableSize);
            }

            this.VirtualTableSize = parentVirtualTableSize + attributes.Count;
        }