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C# CodeWriter.WriteField方法代码示例

本文整理汇总了C#中CodeWriter.WriteField方法的典型用法代码示例。如果您正苦于以下问题:C# CodeWriter.WriteField方法的具体用法?C# CodeWriter.WriteField怎么用?C# CodeWriter.WriteField使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在CodeWriter的用法示例。


在下文中一共展示了CodeWriter.WriteField方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: WriteClassHeader

        public override void WriteClassHeader(CodeWriter writer, DbLinq.Schema.Dbml.Table table, GenerationContext context)
        {
            using (writer.WriteRegion(string.Format("{0} handling", typeof(INotifyPropertyChanging).Name)))
            {
                const string eventName = "PropertyChanging"; // do not change, part of INotifyPropertyChanging
                const string emptyArgs = "emptyChangingEventArgs";

                // event
                writer.WriteEvent(SpecificationDefinition.Public, eventName, typeof(PropertyChangingEventHandler).Name);
                writer.WriteLine();
                // empty event arg
                writer.WriteField(SpecificationDefinition.Private | SpecificationDefinition.Static,
                                  writer.GetAssignmentExpression(emptyArgs, writer.GetNewExpression(
                                                                                writer.GetMethodCallExpression(typeof(PropertyChangingEventArgs).Name, "\"\""))),
                                  typeof(PropertyChangingEventArgs).Name);
                // method
                using (writer.WriteMethod(SpecificationDefinition.Protected | SpecificationDefinition.Virtual,
                                          sendPropertyChangingMethod, null))
                {
                    using (writer.WriteIf(writer.GetDifferentExpression(eventName, writer.GetNullExpression())))
                    {
                        writer.WriteLine(writer.GetStatement(writer.GetMethodCallExpression(eventName,
                                                                                            writer.GetThisExpression(), emptyArgs)));
                    }
                }
            }
        }
开发者ID:calumjiao,项目名称:Mono-Class-Libraries,代码行数:27,代码来源:INotifyPropertyChangingImplementation.cs

示例2: WriteClassParent

        protected virtual void WriteClassParent(CodeWriter writer, Association parent, bool hasDuplicates, Database schema, GenerationContext context)
        {
            // the following is apparently useless
            DbLinq.Schema.Dbml.Table targetTable = schema.Tables.FirstOrDefault(t => t.Type.Name == parent.Type);
            if (targetTable == null)
            {
                //Logger.Write(Level.Error, "ERROR L191 target table type not found: " + parent.Type + "  (processing " + parent.Name + ")");
                return;
            }

            string member = parent.Member;
            string storageField = parent.Storage;
            // TODO: remove this
            if (member == parent.ThisKey)
            {
                member = parent.ThisKey + targetTable.Type.Name; //repeat name to prevent collision (same as Linq)
                storageField = "_x_" + parent.Member;
            }

            writer.WriteField(SpecificationDefinition.Private, storageField,
                              writer.GetGenericName(TypeExtensions.GetShortName(typeof(EntityRef<>)),
                                                    targetTable.Type.Name));

            var storageAttribute = NewAttributeDefinition<AssociationAttribute>();
			storageAttribute["Storage"] = storageField;
			storageAttribute["OtherKey"] = parent.OtherKey;
            storageAttribute["ThisKey"] = parent.ThisKey;
            storageAttribute["Name"] = parent.Name;
            storageAttribute["IsForeignKey"] = parent.IsForeignKey;

            SpecificationDefinition specifications;
            if (parent.AccessModifierSpecified)
                specifications = GetSpecificationDefinition(parent.AccessModifier);
            else
                specifications = SpecificationDefinition.Public;
            if (parent.ModifierSpecified)
                specifications |= GetSpecificationDefinition(parent.Modifier);

            var propertyName = hasDuplicates
                                   ? member + "_" + string.Join("", parent.TheseKeys.ToArray())
                                   : member;

            using (writer.WriteAttribute(storageAttribute))
            using (writer.WriteAttribute(NewAttributeDefinition<DebuggerNonUserCodeAttribute>()))
            using (writer.WriteProperty(specifications, propertyName, targetTable.Type.Name))
            {
                string storage = writer.GetMemberExpression(storageField, "Entity");
                using (writer.WritePropertyGet())
                {
                    writer.WriteLine(writer.GetReturnStatement(storage));
                }
                using (writer.WritePropertySet())
                {
                    // algorithm is:
                    // 1.1. must be different than previous value
                    // 1.2. or HasLoadedOrAssignedValue is false (but why?)
                    // 2. implementations before change
                    // 3. if previous value not null
                    // 3.1. place parent in temp variable
                    // 3.2. set [Storage].Entity to null
                    // 3.3. remove it from parent list
                    // 4. assign value to [Storage].Entity
                    // 5. if value is not null
                    // 5.1. add it to parent list
                    // 5.2. set FK members with entity keys
                    // 6. else
                    // 6.1. set FK members to defaults (null or 0)
                    // 7. implementationas after change

                    //writer.WriteLine(writer.GetStatement(writer.GetAssignmentExpression(storage, writer.GetPropertySetValueExpression())));
                    var entityMember = writer.GetMemberExpression(parent.Storage, "Entity");
                    // 1.1
                    using (writer.WriteIf(writer.GetDifferentExpression(writer.GetPropertySetValueExpression(),
                                                                        entityMember)))
                    {
                        var otherAssociation = schema.GetReverseAssociation(parent);
                        // 2. code before the change
                        // TODO change interface to require a member instead of a column
                        //foreach (IImplementation implementation in context.Implementations())
                        //    implementation.WritePropertyBeforeSet(writer, ???, context);
                        // 3.
                        using (writer.WriteIf(writer.GetDifferentExpression(entityMember, writer.GetNullExpression())))
                        {
                            var previousEntityRefName = "previous" + parent.Type;
                            // 3.1.
                            writer.WriteLine(writer.GetStatement(
                                writer.GetVariableDeclarationInitialization(parent.Type, previousEntityRefName, entityMember)
                                ));
                            // 3.2.
                            writer.WriteLine(writer.GetStatement(
                                writer.GetAssignmentExpression(entityMember, writer.GetNullExpression())
                                ));
                            // 3.3.
                            writer.WriteLine(writer.GetStatement(
                                writer.GetMethodCallExpression(
                                    writer.GetMemberExpression(writer.GetMemberExpression(previousEntityRefName, otherAssociation.Member), "Remove"),
                                    writer.GetThisExpression())
                                ));
                        }
                        // 4.
//.........这里部分代码省略.........
开发者ID:Bewolf2,项目名称:GenesisMono,代码行数:101,代码来源:CodeGenerator.Class.cs

示例3: WriteClassChild

        private void WriteClassChild(CodeWriter writer, Association child, bool hasDuplicates, Database schema, GenerationContext context)
        {
            // the following is apparently useless
            DbLinq.Schema.Dbml.Table targetTable = schema.Tables.FirstOrDefault(t => t.Type.Name == child.Type);
            if (targetTable == null)
            {
                //Logger.Write(Level.Error, "ERROR L143 target table class not found:" + child.Type);
                return;
            }

            var storageAttribute = NewAttributeDefinition<AssociationAttribute>();
            storageAttribute["Storage"] = child.Storage;
            storageAttribute["OtherKey"] = child.OtherKey;
            storageAttribute["ThisKey"] = child.ThisKey;
            storageAttribute["Name"] = child.Name;

            SpecificationDefinition specifications;
            if (child.AccessModifierSpecified)
                specifications = GetSpecificationDefinition(child.AccessModifier);
            else
                specifications = SpecificationDefinition.Public;
            if (child.ModifierSpecified)
                specifications |= GetSpecificationDefinition(child.Modifier);

            var propertyName = hasDuplicates
                                   ? child.Member + "_" + string.Join("", child.OtherKeys.ToArray())
                                   : child.Member;

            var propertyType = writer.GetGenericName(TypeExtensions.GetShortName(typeof(EntitySet<>)), child.Type);

            if (child.Storage != null)
                writer.WriteField(SpecificationDefinition.Private, child.Storage, propertyType);

            using (writer.WriteAttribute(storageAttribute))
            using (writer.WriteAttribute(NewAttributeDefinition<DebuggerNonUserCodeAttribute>()))
            using (writer.WriteProperty(specifications, propertyName,
                                        writer.GetGenericName(TypeExtensions.GetShortName(typeof(EntitySet<>)), child.Type)))
            {
                // if we have a backing field, use it
                if (child.Storage != null)
                {
                    // the getter returns the field
                    using (writer.WritePropertyGet())
                    {
                        writer.WriteLine(writer.GetReturnStatement(
                            child.Storage
                            ));
                    }
                    // the setter assigns the field
                    using (writer.WritePropertySet())
                    {
                        writer.WriteLine(writer.GetStatement(
                            writer.GetAssignmentExpression(
                            child.Storage,
                            writer.GetPropertySetValueExpression())
                            ));
                    }
                }
                // otherwise, use automatic property
                else
                    writer.WriteAutomaticPropertyGetSet();
            }
            writer.WriteLine();
        }
开发者ID:Bewolf2,项目名称:GenesisMono,代码行数:64,代码来源:CodeGenerator.Class.cs

示例4: WriteClassPropertyBackingField

 protected virtual void WriteClassPropertyBackingField(CodeWriter writer, Column property, GenerationContext context)
 {
     //AttributeDefinition autoGenAttribute = null;
     //if (property.IsDbGenerated)
     //    autoGenAttribute = NewAttributeDefinition<AutoGenIdAttribute>();
     //using (writer.WriteAttribute(autoGenAttribute))
     // for auto-properties, we just won't generate a private field
     if (property.Storage != null)
         writer.WriteField(SpecificationDefinition.Private, property.Storage, GetTypeOrExtendedType(writer, property));
 }
开发者ID:Bewolf2,项目名称:GenesisMono,代码行数:10,代码来源:CodeGenerator.Class.cs


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