internal static bool IsPublic()

in src/Microsoft.VisualStudio.Threading.Analyzers/Utils.cs [366:400]

30 lines of code
12 McCabe index (conditional complexity)


        internal static bool IsPublic([NotNullWhen(true)] ISymbol? symbol)
        {
            if (symbol is null)
            {
                return false;
            }

            if (symbol is INamespaceSymbol)
            {
                return true;
            }

            // The only member that is public without saying so are explicit interface implementations;
            // and only when the interfaces implemented are themselves public.
            var methodSymbol = symbol as IMethodSymbol;
            if (methodSymbol?.ExplicitInterfaceImplementations.Any(IsPublic) ?? false)
            {
                return true;
            }

            switch (symbol.DeclaredAccessibility)
            {
                case Accessibility.Internal:
                case Accessibility.Private:
                case Accessibility.ProtectedAndInternal:
                    return false;
                case Accessibility.Protected:
                case Accessibility.ProtectedOrInternal:
                case Accessibility.Public:
                    return symbol.ContainingType is null || IsPublic(symbol.ContainingType);
                case Accessibility.NotApplicable:
                default:
                    return false;
            }
        }