public JimuServiceDesc Parse(MethodInfo methodInfo)
        {
            JimuServiceDesc desc = new JimuServiceDesc();
            var             descriptorAttributes = methodInfo.GetCustomAttributes <JimuServiceDescAttribute>();

            foreach (var attr in descriptorAttributes)
            {
                attr.Apply(desc);
            }

            if (string.IsNullOrEmpty(desc.Comment))
            {
                var xml = GetXmlComment(methodInfo.DeclaringType);
                var key = XmlCommentsMemberNameHelper.GetMemberNameForMethod(methodInfo);
                if (xml != null && xml.TryGetValue(key, out var node))
                {
                    var summaryNode = node.SelectSingleNode("summary");
                    if (summaryNode != null)
                    {
                        desc.Comment = summaryNode.Value.Trim();
                    }
                }
            }

            desc.ReturnDesc = GetReturnDesc(methodInfo);

            if (string.IsNullOrEmpty(desc.HttpMethod))
            {
                desc.HttpMethod = GetHttpMethod(methodInfo);
            }

            desc.Parameters = JimuHelper.Serialize <string>(GetParameters(methodInfo));

            if (string.IsNullOrEmpty(desc.Id))
            {
                desc.Id = JimuHelper.GenerateServiceId(methodInfo);
            }

            var type          = methodInfo.DeclaringType;
            var routeTemplate = type.GetCustomAttribute <JimuAttribute>();

            if (routeTemplate != null)
            {
                if (string.IsNullOrEmpty(desc.RoutePath))
                {
                    var setPath = string.IsNullOrEmpty(desc.Rest) ? methodInfo.Name : desc.Rest;
                    desc.ServiceClassPath = JimuServiceRoute.ParseClassPath(routeTemplate.GetTemplate(type), type.Name, type.IsInterface);
                    desc.RoutePath        = JimuServiceRoute.ParseRoutePath(desc.HttpMethod, desc.ServiceClassPath, setPath, methodInfo.GetParameters().Select(x => x.Name).ToArray(), type.IsInterface);
                }
            }

            desc.Service        = methodInfo.DeclaringType.FullName;
            desc.ServiceComment = GetServiceComment(methodInfo);
            return(desc);
        }
Exemple #2
0
        private MemberDeclarationSyntax GenerateMethodDeclaration(MethodInfo method)
        {
            var serviceId         = JimuHelper.GenerateServiceId(method);
            var returnDeclaration = GetTypeSyntax(method.ReturnType);

            var parameterList            = new List <SyntaxNodeOrToken>();
            var parameterDeclarationList = new List <SyntaxNodeOrToken>();

            foreach (var parameter in method.GetParameters())
            {
                if (parameter.ParameterType.IsGenericType)
                {
                    parameterDeclarationList.Add(SyntaxFactory.Parameter(
                                                     SyntaxFactory.Identifier(parameter.Name))
                                                 .WithType(GetTypeSyntax(parameter.ParameterType)));
                }
                else
                {
                    parameterDeclarationList.Add(SyntaxFactory.Parameter(
                                                     SyntaxFactory.Identifier(parameter.Name))
                                                 .WithType(GetQualifiedNameSyntax(parameter.ParameterType)));
                }
                parameterDeclarationList.Add(SyntaxFactory.Token(SyntaxKind.CommaToken));

                parameterList.Add(SyntaxFactory.InitializerExpression(
                                      SyntaxKind.ComplexElementInitializerExpression,
                                      SyntaxFactory.SeparatedList <ExpressionSyntax>(
                                          new SyntaxNodeOrToken[] {
                    SyntaxFactory.LiteralExpression(
                        SyntaxKind.StringLiteralExpression,
                        SyntaxFactory.Literal(parameter.Name)),
                    SyntaxFactory.Token(SyntaxKind.CommaToken),
                    SyntaxFactory.IdentifierName(parameter.Name)
                })));
                parameterList.Add(SyntaxFactory.Token(SyntaxKind.CommaToken));
            }
            if (parameterList.Any())
            {
                parameterList.RemoveAt(parameterList.Count - 1);
                parameterDeclarationList.RemoveAt(parameterDeclarationList.Count - 1);
            }

            MethodDeclarationSyntax declaration;

            if (method.ReturnType == typeof(void))
            {
                declaration = SyntaxFactory.MethodDeclaration(SyntaxFactory.PredefinedType(SyntaxFactory.Token(SyntaxKind.VoidKeyword)), SyntaxFactory.Identifier(method.Name));
            }
            else
            {
                declaration = SyntaxFactory.MethodDeclaration(
                    returnDeclaration,
                    SyntaxFactory.Identifier(method.Name));
            }

            if (method.ReturnType.Namespace == typeof(Task).Namespace)
            {
                declaration = declaration.WithModifiers(SyntaxFactory.TokenList(SyntaxFactory.Token(SyntaxKind.PublicKeyword), SyntaxFactory.Token(SyntaxKind.AsyncKeyword)));
            }
            else
            {
                declaration = declaration.WithModifiers(SyntaxFactory.TokenList(SyntaxFactory.Token(SyntaxKind.PublicKeyword)));
            }

            declaration = declaration.WithParameterList(SyntaxFactory.ParameterList(SyntaxFactory.SeparatedList <ParameterSyntax>(parameterDeclarationList)));

            ExpressionSyntax expressionSyntax;
            StatementSyntax  statementSyntax;

            if (method.ReturnType.Namespace != typeof(Task).Namespace)
            {
                if (method.ReturnType == typeof(void))
                {
                    expressionSyntax = SyntaxFactory.IdentifierName("InvokeVoid");
                }
                else
                {
                    expressionSyntax = SyntaxFactory.GenericName(
                        SyntaxFactory.Identifier("Invoke"))
                                       //.WithTypeArgumentList(((GenericNameSyntax)returnDeclaration).TypeArgumentList);
                                       .WithTypeArgumentList(SyntaxFactory.TypeArgumentList(SyntaxFactory.SingletonSeparatedList(returnDeclaration)))
                    ;
                }
                expressionSyntax =
                    SyntaxFactory.InvocationExpression(expressionSyntax)
                    .WithArgumentList(
                        SyntaxFactory.ArgumentList(
                            SyntaxFactory.SeparatedList <ArgumentSyntax>(
                                new SyntaxNodeOrToken[]
                                { SyntaxFactory.Argument(
                                      SyntaxFactory.LiteralExpression(
                                          SyntaxKind.StringLiteralExpression,
                                          SyntaxFactory.Literal(serviceId))),
                                  SyntaxFactory.Token(SyntaxKind.CommaToken),
                                  SyntaxFactory.Argument(
                                      SyntaxFactory.ObjectCreationExpression(
                                          SyntaxFactory.GenericName(
                                              SyntaxFactory.Identifier("Dictionary"))
                                          .WithTypeArgumentList(
                                              SyntaxFactory.TypeArgumentList(
                                                  SyntaxFactory.SeparatedList <TypeSyntax>(
                                                      new SyntaxNodeOrToken[]
                    {
                        SyntaxFactory.PredefinedType(
                            SyntaxFactory.Token(SyntaxKind.StringKeyword)),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.PredefinedType(
                            SyntaxFactory.Token(SyntaxKind.ObjectKeyword))
                    }))))
                                      .WithInitializer(
                                          SyntaxFactory.InitializerExpression(
                                              SyntaxKind.CollectionInitializerExpression,
                                              SyntaxFactory.SeparatedList <ExpressionSyntax>(
                                                  parameterList)))) })));
                //expressionSyntax = SyntaxFactory.express
            }
            else
            {
                if (method.ReturnType == typeof(Task))
                {
                    expressionSyntax = SyntaxFactory.IdentifierName("InvokeVoidAsync");
                }
                else
                {
                    expressionSyntax = SyntaxFactory.GenericName(
                        SyntaxFactory.Identifier("InvokeAsync"))
                                       .WithTypeArgumentList(((GenericNameSyntax)returnDeclaration).TypeArgumentList);
                    //.WithTypeArgumentList(TypeArgumentList(SingletonSeparatedList(returnDeclaration)))
                }
                expressionSyntax = SyntaxFactory.AwaitExpression(
                    SyntaxFactory.InvocationExpression(expressionSyntax)
                    .WithArgumentList(
                        SyntaxFactory.ArgumentList(
                            SyntaxFactory.SeparatedList <ArgumentSyntax>(
                                new SyntaxNodeOrToken[]
                                { SyntaxFactory.Argument(
                                      SyntaxFactory.LiteralExpression(
                                          SyntaxKind.StringLiteralExpression,
                                          SyntaxFactory.Literal(serviceId))),
                                  SyntaxFactory.Token(SyntaxKind.CommaToken),
                                  SyntaxFactory.Argument(
                                      SyntaxFactory.ObjectCreationExpression(
                                          SyntaxFactory.GenericName(
                                              SyntaxFactory.Identifier("Dictionary"))
                                          .WithTypeArgumentList(
                                              SyntaxFactory.TypeArgumentList(
                                                  SyntaxFactory.SeparatedList <TypeSyntax>(
                                                      new SyntaxNodeOrToken[]
                    {
                        SyntaxFactory.PredefinedType(
                            SyntaxFactory.Token(SyntaxKind.StringKeyword)),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.PredefinedType(
                            SyntaxFactory.Token(SyntaxKind.ObjectKeyword))
                    }))))
                                      .WithInitializer(
                                          SyntaxFactory.InitializerExpression(
                                              SyntaxKind.CollectionInitializerExpression,
                                              SyntaxFactory.SeparatedList <ExpressionSyntax>(
                                                  parameterList)))) }))));
            }

            if (method.ReturnType != typeof(Task) && method.ReturnType != typeof(void))
            {
                statementSyntax = SyntaxFactory.ReturnStatement(expressionSyntax);
            }
            else
            {
                statementSyntax = SyntaxFactory.ExpressionStatement(expressionSyntax);
            }

            declaration = declaration.WithBody(
                SyntaxFactory.Block(
                    SyntaxFactory.SingletonList(statementSyntax)));

            return(declaration);
        }