Exemplo n.º 1
0
        /// <summary>
        /// 创建类的代码.
        /// </summary>
        /// <param name="codeClass">用于生成类的一些基本信息.</param>
        /// <returns></returns>
        public CodeTypeDeclaration BuildClass(CodeClassDeclaration codeClass)
        {
            // 创建类代码
            CodeTypeDeclaration classType = new CodeTypeDeclaration();

            classType.Name           = codeClass.Name;
            classType.IsClass        = true;
            classType.TypeAttributes = System.Reflection.TypeAttributes.Public;
            foreach (string baseType in codeClass.BaseTypes)
            {
                classType.BaseTypes.Add(baseType);
            }

            // 生成实体类的特性.
            AddCustomAttributes(classType, codeClass);
            AddConstructors(classType, codeClass);
            // 生成实体类的属性.
            AddPropertyMembers(classType, codeClass);
            AddMethodMembers(classType, codeClass);
            // 生成类的注释信息.
            if (!string.IsNullOrEmpty(codeClass.CodeComment))
            {
                classType.Comments.Add(new CodeCommentStatement("<summary>", true));
                classType.Comments.Add(new CodeCommentStatement(codeClass.CodeComment, true));
                classType.Comments.Add(new CodeCommentStatement("</summary>", true));
            }
            return(classType);
        }
Exemplo n.º 2
0
 /// <summary>
 /// 在该生成器中添加一个类.
 /// </summary>
 /// <param name="codeClass">生成类的一些基本信息.</param>
 public void AddClass(CodeClassDeclaration codeClass)
 {
     if (codeNamespace == null)
     {
         codeNamespace = new CodeNamespace(codeClass.Namespace);
     }
     codeNamespace.Types.Add(BuildClass(codeClass));
 }
        /// <summary>
        /// 生成类的方法代码.
        /// </summary>
        /// <param name="classDeclaration">类的生成器对象.</param>
        /// <param name="codeClass">生成该类的参照信息.</param>
        protected override void AddMethodMembers(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
        {
            // List<实体类> Select(Func<查询代理类, object> selector) 方法生成
            CodeMemberMethod codeMethod = new CodeMemberMethod();

            codeMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final;
            codeMethod.ReturnType = new CodeTypeReference("List");
            codeMethod.ReturnType.TypeArguments.Add(codeClass.TableName); // Select方法返回的泛型参数.
            codeMethod.Name = "Select";
            CodeTypeReference paramType = new CodeTypeReference("Func");

            paramType.TypeArguments.Add(string.Format("{0}Agent", codeClass.TableName));
            paramType.TypeArguments.Add(typeof(object));
            codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(paramType, "selector"));
            // 方法代码
            CodeMethodReferenceExpression baseMethod = new CodeMethodReferenceExpression();

            baseMethod.MethodName = "Select";
            baseMethod.TypeArguments.Add(new CodeTypeReference(codeClass.TableName));
            baseMethod.TargetObject = new CodeBaseReferenceExpression();
            CodeMethodReturnStatement returnStatement = new CodeMethodReturnStatement();

            returnStatement.Expression = new CodeMethodInvokeExpression(baseMethod, new CodeSnippetExpression("selector"));
            codeMethod.Statements.Add(returnStatement);
            string strComment = LangCommentString("TableContext.Select(@selector)", "查询实体对应的表,并返回数据集合.");

            codeMethod.Comments.Add(new CodeCommentStatement("<summary>", true));
            codeMethod.Comments.Add(new CodeCommentStatement(strComment, true));
            strComment = LangCommentString("TableContext.Select@selector", "用于返回查询条件的筛选器.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<param name=\"selector\">{0}</param>", strComment), true));
            codeMethod.Comments.Add(new CodeCommentStatement("</summary>", true));
            strComment = LangCommentString("TableContext.Select:Return", "返回查询结果.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<returns>{0}</returns>", strComment), true));
            classDeclaration.Members.Add(codeMethod);

            // List<实体类> Select(Action<查询代理类, SelectBlock> action) 方法的生成
            codeMethod            = new CodeMemberMethod();
            codeMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final;
            codeMethod.ReturnType = new CodeTypeReference("List");
            codeMethod.ReturnType.TypeArguments.Add(codeClass.TableName);
            codeMethod.Name = "Select";
            paramType       = new CodeTypeReference("Action");
            paramType.TypeArguments.Add(string.Format("{0}Agent", codeClass.TableName));
            paramType.TypeArguments.Add("SelectBlock");
            codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(paramType, "action"));
            baseMethod            = new CodeMethodReferenceExpression();
            baseMethod.MethodName = "Select";
            baseMethod.TypeArguments.Add(new CodeTypeReference(codeClass.TableName));
            baseMethod.TargetObject    = new CodeBaseReferenceExpression();
            returnStatement            = new CodeMethodReturnStatement();
            returnStatement.Expression = new CodeMethodInvokeExpression(baseMethod, new CodeSnippetExpression("action"));
            codeMethod.Statements.Add(returnStatement);
            codeMethod.Comments.Add(new CodeCommentStatement("<summary>", true));
            strComment = LangCommentString("TableContext.Select(@action)", "根据复杂的查询条件及分页等行为查询实体对应的表,并返回数据集合.");
            codeMethod.Comments.Add(new CodeCommentStatement(strComment, true));
            strComment = LangCommentString("TableContext.Select@action", "用于指定查询条件、分布信息等.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<param name=\"action\">{0}</param>", strComment), true));
            codeMethod.Comments.Add(new CodeCommentStatement("</summary>", true));
            strComment = LangCommentString("TableContext.Select:Return", "返回查询结果.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<returns>{0}</returns>", strComment), true));
            classDeclaration.Members.Add(codeMethod);

            // void Add(<实体类>, DBTransactionController trans = null) 方法的生成
            codeMethod            = new CodeMemberMethod();
            codeMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final;
            codeMethod.Name       = "Add";
            codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(new CodeTypeReference(codeClass.TableName), "entity"));
            codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(new CodeTypeReference("DBTransactionController"), "trans = null"));
            baseMethod            = new CodeMethodReferenceExpression();
            baseMethod.MethodName = "Add";
            baseMethod.TypeArguments.Add(new CodeTypeReference(codeClass.TableName));
            baseMethod.TargetObject = new CodeBaseReferenceExpression();
            codeMethod.Statements.Add(new CodeMethodInvokeExpression(baseMethod, new CodeSnippetExpression("entity"), new CodeSnippetExpression("trans")));
            codeMethod.Comments.Add(new CodeCommentStatement("<summary>", true));
            strComment = LangCommentString("TableContext.Add(@entity,@trans)", "向数据表中添加一条记录.");
            codeMethod.Comments.Add(new CodeCommentStatement(strComment, true));
            codeMethod.Comments.Add(new CodeCommentStatement("</summary>", true));
            strComment = LangCommentString("TableContext.Add@TEntity", "数据表对应的实体类型.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<typeparam name=\"TEntity\">{0}</typeparam>", strComment), true));
            strComment = LangCommentString("TableContext.Add@entity", "实体对象.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<param name=\"entity\">{0}</param>", strComment), true));
            strComment = LangCommentString("TableContext.Add@trans", "写事务的事务控制器.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<param name=\"trans\">{0}</param>", strComment), true));
            strComment = LangCommentString("TableContext.Add:Exception", "当新增数据出错时引发该异常.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<exception cref=\"Exception\">{0}</exception>", strComment), true));
            classDeclaration.Members.Add(codeMethod);

            // int Update(<实体类>, Func<查询代理类, object[]> func) 方法的生成
            codeMethod            = new CodeMemberMethod();
            codeMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final;
            codeMethod.ReturnType = new CodeTypeReference(typeof(int));
            codeMethod.Name       = "Update";
            codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(new CodeTypeReference(codeClass.TableName), "entity"));
            paramType = new CodeTypeReference("Func");
            paramType.TypeArguments.Add(new CodeTypeReference(string.Format("{0}Agent", codeClass.TableName)));
            paramType.TypeArguments.Add(new CodeTypeReference(typeof(object[])));
            codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(paramType, "func"));
            baseMethod            = new CodeMethodReferenceExpression();
            baseMethod.MethodName = "Update";
            baseMethod.TypeArguments.Add(new CodeTypeReference(codeClass.TableName));
            baseMethod.TargetObject    = new CodeBaseReferenceExpression();
            returnStatement            = new CodeMethodReturnStatement();
            returnStatement.Expression = new CodeMethodInvokeExpression(baseMethod, new CodeSnippetExpression("entity"), new CodeSnippetExpression("func"));
            codeMethod.Statements.Add(returnStatement);
            codeMethod.Comments.Add(new CodeCommentStatement("<summary>", true));
            strComment = LangCommentString("TableContext.Update(@entity,@func)", "更新数据表中的记录.");
            codeMethod.Comments.Add(new CodeCommentStatement(strComment, true));
            codeMethod.Comments.Add(new CodeCommentStatement("</summary>", true));
            strComment = LangCommentString("TableContext.Update@entity", "实体对象.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<param name=\"entity\">{0}</param>", strComment), true));
            strComment = LangCommentString("TableContext.Update@func", "用于创建更新条件.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<param name=\"func\">{0}</param>", strComment), true));
            strComment = LangCommentString("TableContext.Update:ArgumentNullException", "当必备的参数为空时引发此异常.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<exception cref=\"ArgumentNullException\">{0}</exception>", strComment), true));
            strComment = LangCommentString("TableContext.Update:Exception", "当执行更新时产生错误时引发此异常.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<exception cref=\"Exception\">{0}</exception>", strComment), true));
            strComment = LangCommentString("TableContext.Update:Return", "返回受影响的记录数.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<returns>{0}</returns>", strComment), true));
            classDeclaration.Members.Add(codeMethod);

            // int Update(DBTransactionController, <实体类>, Func<查询代理类, object[]>) 方法的生成.
            codeMethod            = new CodeMemberMethod();
            codeMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final;
            codeMethod.ReturnType = new CodeTypeReference(typeof(int));
            codeMethod.Name       = "Update";
            codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(new CodeTypeReference("DBTransactionController"), "trans"));
            codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(new CodeTypeReference(codeClass.TableName), "entity"));
            paramType = new CodeTypeReference("Func");
            paramType.TypeArguments.Add(new CodeTypeReference(string.Format("{0}Agent", codeClass.TableName)));
            paramType.TypeArguments.Add(new CodeTypeReference(typeof(object[])));
            codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(paramType, "func"));
            baseMethod            = new CodeMethodReferenceExpression();
            baseMethod.MethodName = "Update";
            baseMethod.TypeArguments.Add(new CodeTypeReference(codeClass.TableName));
            baseMethod.TargetObject    = new CodeBaseReferenceExpression();
            returnStatement            = new CodeMethodReturnStatement();
            returnStatement.Expression = new CodeMethodInvokeExpression(baseMethod,
                                                                        new CodeSnippetExpression("trans"),
                                                                        new CodeSnippetExpression("entity"),
                                                                        new CodeSnippetExpression("func"));
            codeMethod.Statements.Add(returnStatement);
            codeMethod.Comments.Add(new CodeCommentStatement("<summary>", true));
            strComment = LangCommentString("TableContext.Update(@trans,@entity,@func)", "在事务中更新数据表中的记录.");
            codeMethod.Comments.Add(new CodeCommentStatement(strComment, true));
            codeMethod.Comments.Add(new CodeCommentStatement("</summary>", true));
            strComment = LangCommentString("TableContext.Update@trans", "事务控制器.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<param name=\"trans\">{0}</param>", strComment), true));
            strComment = LangCommentString("TableContext.Update@entity", "实体对象.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<param name=\"entity\">{0}</param>", strComment), true));
            strComment = LangCommentString("TableContext.Update@func", "用于创建更新条件.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<param name=\"func\">{0}</param>", strComment), true));
            strComment = LangCommentString("TableContext.Update:ArgumentNullException", "当必备的参数为空时引发此异常.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<exception cref=\"ArgumentNullException\">{0}</exception>", strComment), true));
            strComment = LangCommentString("TableContext.Update:Exception", "当执行更新时产生错误时引发此异常.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<exception cref=\"Exception\">{0}</exception>", strComment), true));
            strComment = LangCommentString("TableContext.Update:Return", "返回受影响的记录数.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<returns>{0}</returns>", strComment), true));
            classDeclaration.Members.Add(codeMethod);
        }
        /// <summary>
        /// 生成类的构造函数 .
        /// </summary>
        /// <param name="classDeclaration">类的生成器对象.</param>
        /// <param name="codeClass">生成该类的参照信息.</param>
        protected override void AddConstructors(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
        {
            CodeConstructor constructor = new CodeConstructor();

            constructor.Attributes = MemberAttributes.Public | MemberAttributes.Final;
            constructor.Comments.Add(new CodeCommentStatement("<summary>", true));
            string DefaultComment = LangCommentString("DefaultConstructor", string.Empty);

            if (string.IsNullOrEmpty(DefaultComment))
            {
                DefaultComment = string.Format("创建一个 <see cref=\"{0}.{1}\"/> 的对象实例.", codeClass.Namespace, codeClass.Name);
            }
            else
            {
                DefaultComment = string.Format(DefaultComment, codeClass.Namespace, codeClass.Name);
            }
            constructor.Comments.Add(new CodeCommentStatement(DefaultComment, true));
            constructor.Comments.Add(new CodeCommentStatement("</summary>", true));
            classDeclaration.Members.Add(constructor);
        }
Exemplo n.º 5
0
 /// <summary>
 /// 生成类的构造函数 .
 /// </summary>
 /// <param name="classDeclaration">类的生成器对象.</param>
 /// <param name="codeClass">生成该类的参照信息.</param>
 protected virtual void AddConstructors(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
 {
 }
Exemplo n.º 6
0
 /// <summary>
 /// 生成类的属性代码.
 /// </summary>
 /// <param name="classDeclaration">类的生成器对象.</param>
 /// <param name="codeClass">生成该类的参照信息.</param>
 protected virtual void AddPropertyMembers(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
 {
 }
Exemplo n.º 7
0
 /// <summary>
 /// 生成类的方法代码.
 /// </summary>
 /// <param name="classDeclaration">类的生成器对象.</param>
 /// <param name="codeClass">生成该类的参照信息.</param>
 protected virtual void AddMethodMembers(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
 {
 }
Exemplo n.º 8
0
 /// <summary>
 /// 生成类的自定义特性信息.
 /// </summary>
 /// <param name="classDeclaration">类的生成器对象.</param>
 /// <param name="codeClass">生成该类的参照信息.</param>
 protected virtual void AddCustomAttributes(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
 {
 }
 /// <summary>
 /// 生成类的自定义特性信息.
 /// </summary>
 /// <param name="classDeclaration">实体类的对象生成器.</param>
 /// <param name="codeClass">生成该类的参照信息.</param>
 protected override void AddCustomAttributes(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
 {
     classDeclaration.CustomAttributes.Add(new CodeAttributeDeclaration(new CodeTypeReference("Serializable")));
     //classDeclaration.CustomAttributes.Add(new CodeAttributeDeclaration("EntityTable", new CodeAttributeArgument("TableName", new CodePrimitiveExpression(codeClass.Name))));
 }
        /// <summary>
        /// 生成类的属性代码.
        /// </summary>
        /// <param name="classDeclaration">实体类的对象生成器.</param>
        /// <param name="codeClass">生成该类的参照信息.</param>
        protected override void AddPropertyMembers(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
        {
            if (codeClass.PropertyMembers == null)
            {
                return;
            }
            if (codeClass.PropertyMembers.Count < 1)
            {
                return;
            }
            CodeMemberProperty codeProperty;
            string             PropertyName, codeComment;
            Type propType;

            foreach (TableInfoModel tableInfo in codeClass.PropertyMembers)
            {
                if (string.IsNullOrEmpty(tableInfo.dbType))
                {
                    continue;
                }
                PropertyName            = tableInfo.paramName;
                codeProperty            = new CodeMemberProperty();
                codeProperty.Name       = PropertyName;
                codeProperty.Attributes = MemberAttributes.Public | MemberAttributes.Final; // 若无 Final 则导致成员为虚拟的
                propType = codeClass.GetTypeFromDbTpye(tableInfo.dbType);
                if (propType == null)
                {
                    throw new Exception(string.Format("未能映射属性 {0} 的类型:{1}", PropertyName, tableInfo.dbType));
                }
                CodeTypeReference attrType = new CodeTypeReference(propType);
                codeProperty.Type = attrType;
                // 设置属性的 getter
                CodeMethodReferenceExpression methodGetValue = new CodeMethodReferenceExpression();
                methodGetValue.MethodName = "GetValue";
                methodGetValue.TypeArguments.Add(attrType);
                CodeMethodInvokeExpression invokeGetValue = new CodeMethodInvokeExpression();
                invokeGetValue.Method = methodGetValue;
                invokeGetValue.Parameters.Add(new CodePrimitiveExpression(PropertyName));
                codeProperty.GetStatements.Add(new CodeMethodReturnStatement(invokeGetValue));
                // 设置属性的 setter
                CodeMethodReferenceExpression methodSetValue = new CodeMethodReferenceExpression();
                methodSetValue.MethodName = "SetValue";
                CodeMethodInvokeExpression invokeSetValue = new CodeMethodInvokeExpression();
                invokeSetValue.Method = methodSetValue;
                invokeSetValue.Parameters.AddRange(new CodeExpression[] {
                    new CodePrimitiveExpression(PropertyName),
                    new CodePropertySetValueReferenceExpression()
                });
                codeProperty.SetStatements.Add(invokeSetValue);
                AddPropertyCustomAttributes(codeProperty, tableInfo, codeClass.GetTypeFromDbTpye(tableInfo.dbType)); // 添加属性的自定义标签特性.
                // 生成属性的注释信息
                codeComment = Convert.ToString(tableInfo.paramDescription);
                if (!string.IsNullOrEmpty(codeComment))
                {
                    codeProperty.Comments.Add(new CodeCommentStatement("<summary>", true));
                    codeProperty.Comments.Add(new CodeCommentStatement(codeComment, true));
                    codeProperty.Comments.Add(new CodeCommentStatement("</summary>", true));
                }
                classDeclaration.Members.Add(codeProperty);
            }
        }
        /// <summary>
        /// 生成类的属性代码.
        /// </summary>
        /// <param name="classDeclaration">实体类的对象生成器.</param>
        /// <param name="codeClass">生成该类的参照信息.</param>
        protected override void AddPropertyMembers(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
        {
            if (codeClass.PropertyMembers == null)
            {
                return;
            }
            if (codeClass.PropertyMembers.Count < 1)
            {
                return;
            }
            CodeMemberProperty codeProperty;
            string             PropertyName, codeComment;

            foreach (TableInfoModel tableInfo in codeClass.PropertyMembers)
            {
                if (string.IsNullOrEmpty(tableInfo.dbType))
                {
                    continue;
                }
                PropertyName            = tableInfo.paramName;
                codeProperty            = new CodeMemberProperty();
                codeProperty.Name       = PropertyName;
                codeProperty.Attributes = MemberAttributes.Public | MemberAttributes.Final; // 若无 Final 则导致成员为虚拟的
                CodeTypeReference attrType = new CodeTypeReference("FieldDescription");
                codeProperty.Type = attrType;
                // 设置属性的 getter
                CodeMethodReferenceExpression methodGetValue = new CodeMethodReferenceExpression();
                methodGetValue.MethodName = "GetField";
                CodeMethodInvokeExpression invokeGetValue = new CodeMethodInvokeExpression();
                invokeGetValue.Method = methodGetValue;
                invokeGetValue.Parameters.Add(new CodePrimitiveExpression(PropertyName));
                codeProperty.GetStatements.Add(new CodeMethodReturnStatement(invokeGetValue));
                // 生成属性的注释信息
                codeComment = Convert.ToString(tableInfo.paramDescription);
                if (!string.IsNullOrEmpty(codeComment))
                {
                    codeProperty.Comments.Add(new CodeCommentStatement("<summary>", true));
                    codeProperty.Comments.Add(new CodeCommentStatement(codeComment, true));
                    codeProperty.Comments.Add(new CodeCommentStatement("</summary>", true));
                }
                classDeclaration.Members.Add(codeProperty);
            }
        }
        /// <summary>
        /// 生成类的方法代码.
        /// </summary>
        /// <param name="classDeclaration">类的生成器对象.</param>
        /// <param name="codeClass">生成该类的参照信息.</param>
        protected override void AddMethodMembers(CodeTypeDeclaration classDeclaration, CodeClassDeclaration codeClass)
        {
            CodeMemberMethod codeMethod = new CodeMemberMethod();

            codeMethod.Attributes = MemberAttributes.Public | MemberAttributes.Override;
            codeMethod.ReturnType = new CodeTypeReference("TableMapper");
            codeMethod.Name       = "CreateContext";
            CodeMethodReturnStatement returnStatement = new CodeMethodReturnStatement();

            returnStatement.Expression = new CodeSnippetExpression(string.Format("new {0}Context()", codeClass.TableName));
            codeMethod.Statements.Add(returnStatement);
            codeMethod.Comments.Add(new CodeCommentStatement("<summary>", true));
            string CommentText = LangCommentString("EntityAgent.CreateContext()", "创建该代理类代理的数据表上下文对象.");

            codeMethod.Comments.Add(new CodeCommentStatement(CommentText, true));
            codeMethod.Comments.Add(new CodeCommentStatement("</summary>", true));
            CommentText = LangCommentString("EntityAgent.CreateContext:Return", "返回映射的数据表上下文对象.");
            codeMethod.Comments.Add(new CodeCommentStatement(string.Format("<returns>{0}</returns>", CommentText), true));
            classDeclaration.Members.Add(codeMethod);
        }