all interfaces are now listed.

Closes #334

1 files changed, 38 insertions, 0 deletions

diff --git a/mdoc/Mono.Documentation/Updater/DocUtils.cs b/mdoc/Mono.Documentation/Updater/DocUtils.cs
index 869b9609..e5609e05 100644
--- a/mdoc/Mono.Documentation/Updater/DocUtils.cs
+++ b/mdoc/Mono.Documentation/Updater/DocUtils.cs
@@ -285,6 +285,44 @@ namespace Mono.Documentation.Updater
             return inst != null

                     ? inst.GenericArguments.Count

                     : type.GenericParameters.Count;

+        }
+

+        class TypeEquality : IEqualityComparer<TypeReference>

+        {
+            bool IEqualityComparer<TypeReference>.Equals (TypeReference x, TypeReference y)
+            {

+                if (x is null && y is null) return true;

+                if (x is null || y is null) return false;
+                return x.FullName == y.FullName;
+            }
+
+            int IEqualityComparer<TypeReference>.GetHashCode (TypeReference obj)
+            {
+                return obj.GetHashCode ();
+            }

+        }

+        static TypeEquality typeEqualityComparer = new TypeEquality ();

+
+        public static IEnumerable<TypeReference> GetAllPublicInterfaces (TypeDefinition type)

+        {

+            return GetAllInterfacesFromType (type)

+                .Where (i => IsPublic (i.Resolve ()))

+                .Distinct (typeEqualityComparer);

+        }

+

+        private static IEnumerable<TypeReference> GetAllInterfacesFromType(TypeDefinition type)

+        {

+            if (type is null)

+                yield break;

+

+            foreach(var i in type.Interfaces)

+            {

+                yield return i.InterfaceType;

+                foreach(var ii in GetAllInterfacesFromType(i.InterfaceType.Resolve()))

+                {

+                    yield return ii;

+                }

+            }

         }

 

         public static IEnumerable<TypeReference> GetUserImplementedInterfaces (TypeDefinition type)