Esempio n. 1
0
        private void AddRootNamespaceField(CodeTypeDeclaration typeDecl)
        {
            // Add this field (VB declaration), where known client type name is ClientNS.BikesEntities
            // ROOTNAMESPACE = GetType(ClientNS.BikesEntities).Namespace.Remove(GetType(ClientNS.BikesEntities).Namespace.LastIndexOf("ClientNS"))

            EntityContainer container          = (EntityContainer)this.Item;
            string          containerNamespace = Generator.GetClientTypeNamespace(this.Generator.GetContainerNamespace(container));
            // VB-ism: if namespace and type names are the same (Blah.Blah), GetType(Blah.Blah) fails...
            string vbScopedcontainerName = (string.IsNullOrEmpty(containerNamespace) || container.Name.Equals(containerNamespace, StringComparison.OrdinalIgnoreCase))
                                           ? container.Name : (containerNamespace + "." + container.Name);


            CodeExpression namespaceAccess = new CodePropertyReferenceExpression(
                new CodeTypeOfExpression(vbScopedcontainerName),
                "Namespace");

            CodeMemberField rootNamespaceField = new CodeMemberField(
                TypeReference.ForType(typeof(string)),
                "ROOTNAMESPACE");

            rootNamespaceField.Attributes     = MemberAttributes.Static | MemberAttributes.Private;
            rootNamespaceField.InitExpression = new CodeMethodInvokeExpression(
                namespaceAccess,
                "Remove",
                new CodeMethodInvokeExpression(
                    namespaceAccess,
                    "LastIndexOf",
                    new CodePrimitiveExpression(containerNamespace)));
            AttributeEmitter.AddGeneratedCodeAttribute(rootNamespaceField);
            typeDecl.Members.Add(rootNamespaceField);
        }
        private void EmitField(CodeTypeDeclaration typeDecl, CodeTypeReference fieldType, bool hasDefault)
        {
            CodeMemberField memberField = new CodeMemberField(fieldType, Utils.FieldNameFromPropName(Item.Name));

            memberField.Attributes = MemberAttributes.Private;

            AttributeEmitter.AddGeneratedCodeAttribute(memberField);

            if (hasDefault)
            {
                if (this.Generator.UseDataServiceCollection)
                {
                    // new DataServiceCollection<T>(null, System.Data.Services.Client.TrackingMode.None, null, null, null);
                    // declare type is DataServiceCollection<T>
                    Debug.Assert(fieldType.TypeArguments.Count == 1, "Declare type is non generic.");

                    // new DataServiceCollection<[type]>(null, TrackingMode.None)
                    memberField.InitExpression = new CodeObjectCreateExpression(
                        fieldType,
                        new CodePrimitiveExpression(null),
                        new CodeFieldReferenceExpression(
                            new CodeTypeReferenceExpression(typeof(System.Data.Services.Client.TrackingMode)),
                            "None"));
                }
                else
                {
                    memberField.InitExpression = new CodeObjectCreateExpression(fieldType);
                }
            }

            typeDecl.Members.Add(memberField);
        }
Esempio n. 3
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        /// <summary>
        /// Creates the necessary constructors for the entity container.
        /// </summary>
        private void CreateConstructors(CodeTypeDeclaration typeDecl, bool setupTypeMapper, bool hasInheritance)
        {
            // Constructor that takes a uri
            //
            // public ctor(System.Uri serviceRoot)
            //    : base(serviceRoot)
            // {
            //      this.OnContextCreated();
            // }
            CodeConstructor connectionWorkspaceCtor = new CodeConstructor();

            connectionWorkspaceCtor.Attributes = MemberAttributes.Public;
            CodeParameterDeclarationExpression connectionParam = new CodeParameterDeclarationExpression(TypeReference.FromString("System.Uri", true), "serviceRoot");

            connectionWorkspaceCtor.Parameters.Add(connectionParam);
            connectionWorkspaceCtor.BaseConstructorArgs.Add(new CodeArgumentReferenceExpression(connectionParam.Name));

            AttributeEmitter.AddGeneratedCodeAttribute(connectionWorkspaceCtor);

            CommentEmitter.EmitSummaryComments(Strings.CtorSummaryComment(Item.Name), connectionWorkspaceCtor.Comments);

            // If we have an externally provided namespage (e.g. from Visual Studio), we need to
            // inject a type-mapper because type names won't match between client and server
            if (setupTypeMapper || hasInheritance)
            {
                connectionWorkspaceCtor.Statements.Add(
                    new CodeAssignStatement(
                        new CodeFieldReferenceExpression(ThisRef, "ResolveName"),
                        new CodeDelegateCreateExpression(
                            TypeReference.ForType(typeof(Func <,>), TypeReference.ForType(typeof(Type)), TypeReference.ForType(typeof(String))),
                            ThisRef,
                            "ResolveNameFromType"
                            )
                        )
                    );
            }

            if (setupTypeMapper)
            {
                connectionWorkspaceCtor.Statements.Add(
                    new CodeAssignStatement(
                        new CodeFieldReferenceExpression(ThisRef, "ResolveType"),
                        new CodeDelegateCreateExpression(
                            TypeReference.ForType(typeof(Func <,>), TypeReference.ForType(typeof(String)), TypeReference.ForType(typeof(Type))),
                            ThisRef,
                            "ResolveTypeFromName"
                            )
                        )
                    );
            }

            connectionWorkspaceCtor.Statements.Add(OnContextCreatedCodeMethodInvokeExpression());

            typeDecl.Members.Add(connectionWorkspaceCtor);
        }
Esempio n. 4
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        private CodeMemberField CreateEntitySetField(EntitySet set)
        {
            Debug.Assert(set != null, "Field is Null");

            // trying to get
            //
            // private ObjectQuery<SpanTestsModel.Customer> _Customers = null;

            CodeMemberField codeField = new CodeMemberField();

            codeField.Attributes = MemberAttributes.Final | MemberAttributes.Private;
            codeField.Name       = Utils.FieldNameFromPropName(set.Name);
            AttributeEmitter.AddGeneratedCodeAttribute(codeField);

            CodeTypeReference genericParameter = Generator.GetLeastPossibleQualifiedTypeReference(set.ElementType);

            codeField.Type = TypeReference.AdoFrameworkGenericClass("DataServiceQuery", genericParameter);
            return(codeField);
        }
Esempio n. 5
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        private void EmitField(CodeTypeDeclaration typeDecl, CodeTypeReference fieldType)
        {
            CodeMemberField memberField = new CodeMemberField(fieldType, FieldName);

            memberField.Attributes = MemberAttributes.Private;
            if (HasDefault(Item))
            {
                memberField.InitExpression = GetDefaultValueExpression(Item);
            }

            AttributeEmitter.AddGeneratedCodeAttribute(memberField);

            typeDecl.Members.Add(memberField);

            if (TypeSemantics.IsComplexType(Item.TypeUsage))
            {
                CodeMemberField complexInitField = new CodeMemberField(TypeReference.ForType(typeof(bool)), ComplexPropertyInitializedFieldName);
                complexInitField.Attributes = MemberAttributes.Private;
                AttributeEmitter.AddGeneratedCodeAttribute(complexInitField);
                typeDecl.Members.Add(complexInitField);
            }
        }
Esempio n. 6
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        /// <summary>
        /// Create an AddTo-EntitysetName methiod for each entityset in the context.
        /// </summary>
        /// <param name="set">EntityContainerEntitySet that we will go over to get the existing entitysets.</param>
        /// <returns> Method definition </returns>

        private CodeMemberMethod CreateEntitySetAddObjectMethod(EntitySet set)
        {
            Debug.Assert(set != null, "Property is Null");

            // trying to get
            //
            // public void AddToCustomer(Customer customer)
            // {
            //      base.AddObject("Customer", customer);
            // }
            CodeMemberMethod codeMethod = new CodeMemberMethod();

            codeMethod.Attributes = MemberAttributes.Final | GetEntityTypeAccessibility(set.ElementType);
            codeMethod.Name       = ("AddTo" + set.Name);

            CodeParameterDeclarationExpression parameter = new CodeParameterDeclarationExpression();

            parameter.Type = Generator.GetLeastPossibleQualifiedTypeReference(set.ElementType);
            parameter.Name = Utils.CamelCase(set.ElementType.Name);
            parameter.Name = Utils.SetSpecialCaseForFxCopOnPropertyName(parameter.Name);
            codeMethod.Parameters.Add(parameter);

            codeMethod.ReturnType = new CodeTypeReference(typeof(void));

            AttributeEmitter.AddGeneratedCodeAttribute(codeMethod);

            codeMethod.Statements.Add(
                new CodeMethodInvokeExpression(
                    new CodeBaseReferenceExpression(),
                    "AddObject",
                    new CodePrimitiveExpression(set.Name),
                    new CodeFieldReferenceExpression(null, parameter.Name)
                    )
                );

            // method summary
            CommentEmitter.EmitSummaryComments(set, codeMethod.Comments);
            return(codeMethod);
        }
Esempio n. 7
0
        /// <summary>
        /// Emit static factory method which creates an instance of the class and initializes
        /// non-nullable properties (taken as arguments)
        /// </summary>
        /// <param name="typeDecl"></param>
        protected virtual void EmitFactoryMethod(CodeTypeDeclaration typeDecl)
        {
            // build list of non-nullable properties
            ReadOnlyMetadataCollection <EdmProperty> properties = GetProperties();
            List <EdmProperty> parameters = new List <EdmProperty>(properties.Count);

            foreach (EdmProperty property in properties)
            {
                bool include = IncludeFieldInFactoryMethod(property);
                if (include)
                {
                    parameters.Add(property);
                }
            }

            // if there are no parameters, we don't emit anything (1 is for the null element)
            // nor do we emit everything if this is the Ref propertied ctor and the parameter list is the same as the many parametered ctor
            if (parameters.Count < 1)
            {
                return;
            }

            CodeMemberMethod        method  = new CodeMemberMethod();
            CodeTypeReference       typeRef = TypeReference.FromString(Item.Name);
            UniqueIdentifierService uniqueIdentifierService = new UniqueIdentifierService(Generator.IsLanguageCaseSensitive);
            string instanceName = uniqueIdentifierService.AdjustIdentifier(Utils.CamelCase(Item.Name));

            // public static Class CreateClass(...)
            method.Attributes = MemberAttributes.Static | MemberAttributes.Public;
            method.Name       = "Create" + Item.Name;
            if (NavigationPropertyEmitter.IsNameAlreadyAMemberName(Item, method.Name, Generator.LanguageAppropriateStringComparer))
            {
                Generator.AddError(Strings.GeneratedFactoryMethodNameConflict(method.Name, Item.Name),
                                   ModelBuilderErrorCode.GeneratedFactoryMethodNameConflict,
                                   EdmSchemaErrorSeverity.Error);
            }

            method.ReturnType = typeRef;
            AttributeEmitter.AddGeneratedCodeAttribute(method);

            // output method summary comments
            CommentEmitter.EmitSummaryComments(Strings.FactoryMethodSummaryComment(Item.Name), method.Comments);


            // Class class = new Class();
            CodeVariableDeclarationStatement createNewInstance = new CodeVariableDeclarationStatement(
                typeRef, instanceName, new CodeObjectCreateExpression(typeRef));

            method.Statements.Add(createNewInstance);
            CodeVariableReferenceExpression instanceRef = new CodeVariableReferenceExpression(instanceName);

            // iterate over the properties figuring out which need included in the factory method
            foreach (EdmProperty property in parameters)
            {
                // CreateClass( ... , propType propName ...)
                PropertyEmitter   propertyEmitter       = new PropertyEmitter(Generator, property, UsingStandardBaseClass);
                CodeTypeReference propertyTypeReference = propertyEmitter.PropertyType;
                String            parameterName         = uniqueIdentifierService.AdjustIdentifier(Utils.FixParameterName(propertyEmitter.PropertyName, "argument"));
                parameterName = Utils.SetSpecialCaseForFxCopOnPropertyName(parameterName);
                CodeParameterDeclarationExpression paramDecl = new CodeParameterDeclarationExpression(
                    propertyTypeReference, parameterName);
                CodeArgumentReferenceExpression paramRef = new CodeArgumentReferenceExpression(paramDecl.Name);
                method.Parameters.Add(paramDecl);

                // add comment describing the parameter
                CommentEmitter.EmitParamComments(paramDecl, Strings.FactoryParamCommentGeneral(propertyEmitter.PropertyName), method.Comments);

                CodeExpression newPropertyValue;
                if (TypeSemantics.IsComplexType(propertyEmitter.Item.TypeUsage))
                {
                    List <CodeExpression> complexVerifyParameters = new List <CodeExpression>();
                    complexVerifyParameters.Add(paramRef);
                    complexVerifyParameters.Add(new CodePrimitiveExpression(propertyEmitter.PropertyName));

                    // if (null == param) { throw new ArgumentNullException("PropertyName"); }
                    method.Statements.Add(
                        new CodeConditionStatement(
                            EmitExpressionEqualsNull(paramRef),
                            new CodeThrowExceptionStatement(
                                new CodeObjectCreateExpression(
                                    TypeReference.ForType(typeof(ArgumentNullException)),
                                    new CodePrimitiveExpression(parameterName)
                                    )
                                )
                            )
                        );

                    newPropertyValue = paramRef;
                }
                else
                {
                    newPropertyValue = paramRef;
                }

                // Scalar property:
                //     Property = param;
                // Complex property:
                //     Property = StructuralObject.VerifyComplexObjectIsNotNull(param, propertyName);

                method.Statements.Add(new CodeAssignStatement(new CodePropertyReferenceExpression(instanceRef, propertyEmitter.PropertyName), newPropertyValue));
            }

            // return class;
            method.Statements.Add(new CodeMethodReturnStatement(instanceRef));

            // actually add the method to the class
            typeDecl.Members.Add(method);
        }
Esempio n. 8
0
 /// <summary>
 ///
 /// </summary>
 /// <param name="memberProperty"></param>
 /// <param name="additionalAttributes">Additional attributes to emit</param>
 private void EmitCustomAttributes(CodeMemberProperty memberProperty,
                                   List <CodeAttributeDeclaration> additionalAttributes)
 {
     AttributeEmitter.AddGeneratedCodeAttribute(memberProperty);
     Generator.AttributeEmitter.EmitPropertyAttributes(this, memberProperty, additionalAttributes);
 }
        /// <summary>
        /// Generate a navigation property
        /// </summary>
        /// <param name="target">the other end</param>
        /// <param name="referenceProperty">True to emit Reference navigation property</param>
        /// <returns>the generated property</returns>
        private CodeMemberProperty EmitNavigationProperty(RelationshipEndMember target)
        {
            CodeTypeReference typeRef = GetReturnType(target);

            // raise the PropertyGenerated event
            PropertyGeneratedEventArgs eventArgs = new PropertyGeneratedEventArgs(Item,
                                                                                  null, // no backing field
                                                                                  typeRef);

            this.Generator.RaisePropertyGeneratedEvent(eventArgs);

            // [System.ComponentModel.Browsable(false)]
            // public TargetType TargetName
            // public EntityReference<TargetType> TargetName
            // or
            // public EntityCollection<targetType> TargetNames
            CodeMemberProperty property = new CodeMemberProperty();

            // Only reference navigation properties are currently currently supported with XML serialization
            // and thus we should use the XmlIgnore and SoapIgnore attributes on other property types.
            AttributeEmitter.AddIgnoreAttributes(property);

            AttributeEmitter.AddBrowsableAttribute(property);

            AttributeEmitter.AddGeneratedCodeAttribute(property);

            CommentEmitter.EmitSummaryComments(Item, property.Comments);

            property.Name = Item.Name;

            if (eventArgs.ReturnType != null && !eventArgs.ReturnType.Equals(typeRef))
            {
                property.Type = eventArgs.ReturnType;
            }
            else
            {
                property.Type = typeRef;
            }

            property.Attributes = MemberAttributes.Final;

            CodeExpression getMethod = EmitGetMethod(target);
            CodeExpression getReturnExpression;

            if (target.RelationshipMultiplicity != RelationshipMultiplicity.Many)
            {
                property.Attributes |= AccessibilityFromGettersAndSetters(Item);

                // insert user-supplied Set code here, before the assignment
                //
                List <CodeStatement> additionalSetStatements = eventArgs.AdditionalSetStatements;
                if (additionalSetStatements != null && additionalSetStatements.Count > 0)
                {
                    try
                    {
                        property.SetStatements.AddRange(additionalSetStatements.ToArray());
                    }
                    catch (ArgumentNullException e)
                    {
                        Generator.AddError(Strings.InvalidSetStatementSuppliedForProperty(Item.Name),
                                           ModelBuilderErrorCode.InvalidSetStatementSuppliedForProperty,
                                           EdmSchemaErrorSeverity.Error,
                                           e);
                    }
                }

                CodeExpression valueRef = new CodePropertySetValueReferenceExpression();
                if (typeRef != eventArgs.ReturnType)
                {
                    // we need to cast to the actual type
                    valueRef = new CodeCastExpression(typeRef, valueRef);
                }


                CodeExpression valueProperty = getMethod;

                // get
                //     return ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference<TTargetEntity>("CSpaceQualifiedRelationshipName", "TargetRoleName").Value;
                getReturnExpression = valueProperty;

                // set
                //     ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference<TTargetEntity>("CSpaceQualifiedRelationshipName", "TargetRoleName").Value = value;
                property.SetStatements.Add(
                    new CodeAssignStatement(valueProperty, valueRef));

                // setup the accessibility of the navigation property setter and getter
                MemberAttributes propertyAccessibility = property.Attributes & MemberAttributes.AccessMask;
                PropertyEmitter.AddGetterSetterFixUp(Generator.FixUps, GetFullyQualifiedPropertyName(property.Name),
                                                     PropertyEmitter.GetGetterAccessibility(Item), propertyAccessibility, true);
                PropertyEmitter.AddGetterSetterFixUp(Generator.FixUps, GetFullyQualifiedPropertyName(property.Name),
                                                     PropertyEmitter.GetSetterAccessibility(Item), propertyAccessibility, false);

                List <CodeStatement> additionalAfterSetStatements = eventArgs.AdditionalAfterSetStatements;
                if (additionalAfterSetStatements != null && additionalAfterSetStatements.Count > 0)
                {
                    try
                    {
                        property.SetStatements.AddRange(additionalAfterSetStatements.ToArray());
                    }
                    catch (ArgumentNullException e)
                    {
                        Generator.AddError(Strings.InvalidSetStatementSuppliedForProperty(Item.Name),
                                           ModelBuilderErrorCode.InvalidSetStatementSuppliedForProperty,
                                           EdmSchemaErrorSeverity.Error,
                                           e);
                    }
                }
            }
            else
            {
                property.Attributes |= PropertyEmitter.GetGetterAccessibility(Item);
                // get
                //     return ((IEntityWithRelationships)this).RelationshipManager.GetRelatedCollection<TTargetEntity>("CSpaceQualifiedRelationshipName", "TargetRoleName");
                getReturnExpression = getMethod;

                // set
                // if (value != null) ==> Only for non-binding scenario
                // {
                //    this =
                //    this.OnPropertyChanged("")
                // }

                CodeExpression valueRef = new CodePropertySetValueReferenceExpression();

                CodeStatementCollection csc = null;

                if (this.Generator.UseDataServiceCollection == true)
                {
                    csc = property.SetStatements;
                }
                else
                {
                    CodeConditionStatement ccs = new CodeConditionStatement(EmitExpressionDoesNotEqualNull(valueRef));
                    property.SetStatements.Add(ccs);

                    csc = ccs.TrueStatements;
                }

                csc.Add(new CodeAssignStatement(getMethod, valueRef));

                if (eventArgs.AdditionalAfterSetStatements != null)
                {
                    try
                    {
                        foreach (CodeStatement s in eventArgs.AdditionalAfterSetStatements)
                        {
                            csc.Add(s);
                        }
                    }
                    catch (ArgumentNullException e)
                    {
                        Generator.AddError(Strings.InvalidSetStatementSuppliedForProperty(Item.Name),
                                           ModelBuilderErrorCode.InvalidSetStatementSuppliedForProperty,
                                           EdmSchemaErrorSeverity.Error,
                                           e);
                    }
                }
            }

            // if additional Get statements were specified by the event subscriber, insert them now
            //
            List <CodeStatement> additionalGetStatements = eventArgs.AdditionalGetStatements;

            if (additionalGetStatements != null && additionalGetStatements.Count > 0)
            {
                try
                {
                    property.GetStatements.AddRange(additionalGetStatements.ToArray());
                }
                catch (ArgumentNullException ex)
                {
                    Generator.AddError(Strings.InvalidGetStatementSuppliedForProperty(Item.Name),
                                       ModelBuilderErrorCode.InvalidGetStatementSuppliedForProperty,
                                       EdmSchemaErrorSeverity.Error,
                                       ex);
                }
            }

            property.GetStatements.Add(new CodeMethodReturnStatement(getReturnExpression));

            return(property);
        }
Esempio n. 10
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        private CodeMemberProperty CreateEntitySetProperty(EntitySet set)
        {
            Debug.Assert(set != null, "Property is Null");

            // trying to get
            //
            // [System.ComponentModel.Browsable(false)]
            // public ObjectQuery<Customer> Customers
            // {
            //      get
            //      {
            //          if ((this._Customers == null))
            //          {
            //              this._Customers = base.CreateQuery<Customer>("[Customers]");
            //          }
            //          return this._Customers;
            //      }
            // }
            CodeMemberProperty codeProperty = new CodeMemberProperty();

            codeProperty.Attributes = MemberAttributes.Final | GetEntitySetPropertyAccessibility(set);
            codeProperty.Name       = set.Name;
            codeProperty.HasGet     = true;
            codeProperty.HasSet     = false;

            // SQLBUDT 598300: property to get query hides a property on base Context?
            if (null != TypeReference.ObjectContextBaseClassType.GetProperty(set.Name))
            {
                codeProperty.Attributes |= MemberAttributes.New;
            }

            AttributeEmitter.AddBrowsableAttribute(codeProperty);
            AttributeEmitter.AddGeneratedCodeAttribute(codeProperty);

            CodeTypeReference genericParameter = Generator.GetLeastPossibleQualifiedTypeReference(set.ElementType);

            codeProperty.Type = TypeReference.AdoFrameworkGenericClass("DataServiceQuery", genericParameter);
            string fieldName = Utils.FieldNameFromPropName(set.Name);

            // raise the PropertyGenerated event before proceeding further
            PropertyGeneratedEventArgs eventArgs = new PropertyGeneratedEventArgs(set, fieldName, codeProperty.Type);

            Generator.RaisePropertyGeneratedEvent(eventArgs);

            if (eventArgs.ReturnType == null || !eventArgs.ReturnType.Equals(codeProperty.Type))
            {
                throw EDesignUtil.InvalidOperation(Strings.CannotChangePropertyReturnType(set.Name, Item.Name));
            }

            List <CodeAttributeDeclaration> additionalAttributes = eventArgs.AdditionalAttributes;

            if (additionalAttributes != null && additionalAttributes.Count > 0)
            {
                try
                {
                    codeProperty.CustomAttributes.AddRange(additionalAttributes.ToArray());
                }
                catch (ArgumentNullException e)
                {
                    Generator.AddError(Strings.InvalidAttributeSuppliedForProperty(Item.Name),
                                       ModelBuilderErrorCode.InvalidAttributeSuppliedForProperty,
                                       EdmSchemaErrorSeverity.Error,
                                       e);
                }
            }

            // we need to insert user-specified code before other/existing code, including
            // the return statement
            List <CodeStatement> additionalGetStatements = eventArgs.AdditionalGetStatements;

            if (additionalGetStatements != null && additionalGetStatements.Count > 0)
            {
                try
                {
                    codeProperty.GetStatements.AddRange(additionalGetStatements.ToArray());
                }
                catch (ArgumentNullException e)
                {
                    Generator.AddError(Strings.InvalidGetStatementSuppliedForProperty(Item.Name),
                                       ModelBuilderErrorCode.InvalidGetStatementSuppliedForProperty,
                                       EdmSchemaErrorSeverity.Error,
                                       e);
                }
            }

            codeProperty.GetStatements.Add(
                new CodeConditionStatement(
                    EmitExpressionEqualsNull(new CodeFieldReferenceExpression(ThisRef, fieldName)),
                    new CodeAssignStatement(
                        new CodeFieldReferenceExpression(ThisRef, fieldName),
                        new CodeMethodInvokeExpression(
                            new CodeMethodReferenceExpression(
                                new CodeBaseReferenceExpression(),
                                "CreateQuery",
                                new CodeTypeReference[] { genericParameter }
                                ),
                            new CodePrimitiveExpression(set.Name)
                            )
                        )
                    )
                );

            codeProperty.GetStatements.Add(
                new CodeMethodReturnStatement(
                    new CodeFieldReferenceExpression(
                        ThisRef,
                        fieldName
                        )
                    )
                );

            // property summary
            CommentEmitter.EmitSummaryComments(set, codeProperty.Comments);

            return(codeProperty);
        }
Esempio n. 11
0
        private void CreateTypeMappingMethods(CodeTypeDeclaration typeDecl, bool needTypeMapper, bool hasInheritance)
        {
            // Special case to compensate for VB's "root namespace" feature.
            if (this.Generator.Language == LanguageOption.GenerateVBCode)
            {
                AddRootNamespaceField(typeDecl);
            }

            CodeExpression comparisonExpression = new CodePropertyReferenceExpression(
                new CodeTypeReferenceExpression(TypeReference.ForType(typeof(StringComparison))),
                Enum.GetName(typeof(StringComparison), this.Generator.LanguageAppropriateStringComparer));

            if (needTypeMapper)
            {
                CodeMemberMethod resolveTypeFromName = new CodeMemberMethod();
                resolveTypeFromName.Name       = "ResolveTypeFromName";
                resolveTypeFromName.Attributes = MemberAttributes.Final | MemberAttributes.Family;
                resolveTypeFromName.Parameters.Add(new CodeParameterDeclarationExpression(TypeReference.ForType(typeof(string)), "typeName"));
                resolveTypeFromName.ReturnType = TypeReference.ForType(typeof(Type));
                AttributeEmitter.AddGeneratedCodeAttribute(resolveTypeFromName);
                CommentEmitter.EmitSummaryComments(Strings.TypeMapperDescription, resolveTypeFromName.Comments);

                // NOTE: since multiple namespaces can have the same prefix and match the namespace
                // prefix condition, it's important that the prefix check is done is prefix-length
                // order, starting with the longest prefix.
                var pairs = this.Generator.NamespaceMap.OrderByDescending(p => p.Key.Length).ThenBy(p => p.Key);

                foreach (var pair in pairs)
                {
                    // Assuming pair.Key is "abc" and pair.Value is "def" and len(def)=3, generate:
                    // if (typeName.StartsWith("abc", StringComparison.Ordinal))
                    //     return this.GetType().Assembly.GetType(string.Concat("def", typeName.Substring(3)), false)
                    // DEVNOTE(Microsoft): we should use GetType(xxx, FALSE) here so it will not throw and fall back to null
                    // GetType(type, bool throw, bool ignoreCase) does not exist in SL, do not use!
                    resolveTypeFromName.Statements.Add(
                        new CodeConditionStatement(
                            new CodeMethodInvokeExpression(
                                new CodeVariableReferenceExpression("typeName"),
                                "StartsWith",
                                new CodePrimitiveExpression(pair.Key),
                                comparisonExpression
                                ),
                            new CodeMethodReturnStatement(
                                new CodeMethodInvokeExpression(
                                    new CodePropertyReferenceExpression(
                                        new CodeMethodInvokeExpression(
                                            ThisRef,
                                            "GetType"
                                            ),
                                        "Assembly"
                                        ),
                                    "GetType",
                                    new CodeMethodInvokeExpression(
                                        new CodeTypeReferenceExpression(TypeReference.ForType(typeof(string))),
                                        "Concat",
                                        this.LanguageSpecificNamespace(pair.Value),
                                        new CodeMethodInvokeExpression(
                                            new CodeVariableReferenceExpression("typeName"),
                                            "Substring",
                                            new CodePrimitiveExpression(pair.Key.Length)
                                            )
                                        ),
                                    new CodePrimitiveExpression(false)
                                    )
                                )
                            )
                        );
                }

                resolveTypeFromName.Statements.Add(
                    new CodeMethodReturnStatement(
                        new CodePrimitiveExpression(null)));

                typeDecl.Members.Add(resolveTypeFromName);
            }

            CodeMemberMethod resolveNameFromType = new CodeMemberMethod();

            resolveNameFromType.Name       = "ResolveNameFromType";
            resolveNameFromType.Attributes = MemberAttributes.Final | MemberAttributes.Family;
            resolveNameFromType.Parameters.Add(new CodeParameterDeclarationExpression(TypeReference.ForType(typeof(Type)), "clientType"));
            resolveNameFromType.ReturnType = TypeReference.ForType(typeof(String));
            AttributeEmitter.AddGeneratedCodeAttribute(resolveNameFromType);
            CommentEmitter.EmitSummaryComments(Strings.TypeMapperDescription, resolveNameFromType.Comments);

            // NOTE: in this case order also matters, but the length of the CLR
            // namespace is what needs to be considered.
            var reversePairs = Generator.NamespaceMap.OrderByDescending(p => p.Value.Length).ThenBy(p => p.Key);

            foreach (var pair in reversePairs)
            {
                // Assuming pair.Key is "abc" and pair.Value is "def", generate:
                // if (t.Namespace.Equals("def", StringComparison.Ordinal)) return string.Concat("abc.", t.Name);

                resolveNameFromType.Statements.Add(
                    new CodeConditionStatement(
                        new CodeMethodInvokeExpression(
                            new CodePropertyReferenceExpression(
                                new CodeVariableReferenceExpression("clientType"),
                                "Namespace"
                                ),
                            "Equals",
                            this.LanguageSpecificNamespace(pair.Value),
                            comparisonExpression
                            ),
                        new CodeMethodReturnStatement(
                            new CodeMethodInvokeExpression(
                                new CodeTypeReferenceExpression(TypeReference.ForType(typeof(string))),
                                "Concat",
                                new CodePrimitiveExpression(pair.Key + "."),
                                new CodePropertyReferenceExpression(
                                    new CodeVariableReferenceExpression("clientType"),
                                    "Name"
                                    )
                                )
                            )
                        )
                    );
            }

            if (hasInheritance)
            {
                CodeExpression clientTypeFullName = new CodePropertyReferenceExpression(
                    new CodeVariableReferenceExpression("clientType"),
                    "FullName");

                if (this.Generator.Language == LanguageOption.GenerateVBCode)
                {
                    // return clientType.FullName.Substring(ROOTNAMESPACE.Length);
                    resolveNameFromType.Statements.Add(
                        new CodeMethodReturnStatement(
                            new CodeMethodInvokeExpression(
                                clientTypeFullName,
                                "Substring",
                                new CodePropertyReferenceExpression(
                                    new CodeVariableReferenceExpression("ROOTNAMESPACE"),
                                    "Length"
                                    )
                                )
                            )
                        );
                }
                else
                {
                    // return clientType.FullName;
                    resolveNameFromType.Statements.Add(new CodeMethodReturnStatement(clientTypeFullName));
                }
            }
            else
            {
                resolveNameFromType.Statements.Add(
                    new CodeMethodReturnStatement(
                        NullExpression
                        )
                    );
            }

            typeDecl.Members.Add(resolveNameFromType);
        }