C# Accessor类代码示例

 public IEnumerable<KeyValuePair<string, string>> GetMessageSubstitutions(Accessor accessor)
 {
     return new List<KeyValuePair<string, string>>
                 {
                     new KeyValuePair<string, string>(LENGTH, Length.ToString())
                 };
 }

        protected virtual void EmitIndexerMethod(IndexerDeclaration indexerDeclaration, Accessor accessor, bool setter)
        {
            if (!accessor.IsNull && this.Emitter.GetInline(accessor) == null)
            {
                XmlToJsDoc.EmitComment(this, this.IndexerDeclaration);
                var overloads = OverloadsCollection.Create(this.Emitter, indexerDeclaration, setter);

                string name = overloads.GetOverloadName();
                this.Write((setter ? "set" : "get") + name);

                this.EmitMethodParameters(indexerDeclaration.Parameters, indexerDeclaration, setter);

                if (setter)
                {
                    this.Write(", value");
                    this.WriteColon();
                    name = BridgeTypes.ToTypeScriptName(indexerDeclaration.ReturnType, this.Emitter);
                    this.Write(name);
                    this.WriteCloseParentheses();
                    this.WriteColon();
                    this.Write("void");
                }
                else
                {
                    this.WriteColon();
                    name = BridgeTypes.ToTypeScriptName(indexerDeclaration.ReturnType, this.Emitter);
                    this.Write(name);
                }

                this.WriteSemiColon();
                this.WriteNewLine();
            }
        }

		public IEnumerable<CodeAction> GetActions(RefactoringContext context)
		{
			var pdecl = GetPropertyDeclaration(context);
			if (pdecl == null) { 
				yield break;
			}

			var type = pdecl.Parent as TypeDeclaration;
			if (type != null && type.ClassType == ClassType.Interface) {
				yield break;
			}
			yield return new CodeAction (pdecl.Setter.IsNull ? context.TranslateString("Add getter") : context.TranslateString("Add setter"), script => {
				var accessorStatement = BuildAccessorStatement(context, pdecl);
			
				Accessor accessor = new Accessor () {
					Body = new BlockStatement { accessorStatement }
				};
				accessor.Role = pdecl.Setter.IsNull ? PropertyDeclaration.SetterRole : PropertyDeclaration.GetterRole;

				if (pdecl.Setter.IsNull && !pdecl.Getter.IsNull) {
					script.InsertBefore(pdecl.RBraceToken, accessor);
				} else if (pdecl.Getter.IsNull && !pdecl.Setter.IsNull) {
					script.InsertBefore(pdecl.Setter, accessor);
				} else {
					script.InsertBefore(pdecl.Getter, accessor);
				}
				script.Select(accessorStatement);
				script.FormatText(pdecl);
			});
		}

        public override void establish_context()
        {
            property = ReflectionHelper.GetAccessor(GetPropertyExpression());
            target = new PropertyEntity();

            sut = new Property<PropertyEntity, string>(property, "expected");
        }

            public override void establish_context()
            {
                property = ReflectionHelper.GetAccessor((Expression<Func<ListEntity, IEnumerable<string>>>)(x => x.GetterAndSetter));
                target = new ListEntity();

                sut = new ReferenceBag<ListEntity, string>(property, new[] { "foo", "bar", "baz" });
            }

 /// <summary>
 /// Formats the provided value using the property accessor metadata
 /// </summary>
 /// <param name="modelType">The type of the model to which the property belongs (i.e. Case where the property might be on its base class WorkflowItem)</param>
 /// <param name="formatter">The formatter</param>
 /// <param name="property">The property that holds the given value</param>
 /// <param name="value">The data to format</param>
 public static string FormatValue(this IDisplayFormatter formatter, Type modelType, Accessor property, object value)
 {
     return formatter.GetDisplay(new GetStringRequest(property, value, null)
     {
         OwnerType = modelType
     });
 }

        public RemoteFieldRule RegisterRule(Accessor accessor, IFieldValidationRule rule)
        {
            var remote = RemoteFieldRule.For(accessor, rule);
            _rules[accessor].Fill(remote);

            return remote;
        }

        private static void fillFields(ValidationOptions options, IValidationNode node, IServiceLocator services, Accessor accessor)
        {
            var mode = node.DetermineMode(services, accessor);
            var field = new FieldOptions
            {
                field = accessor.Name,
                mode = mode.Mode
            };

            var graph = services.GetInstance<ValidationGraph>();
            var rules = graph.FieldRulesFor(accessor);
            var ruleOptions = new List<FieldRuleOptions>();

            rules.Each(rule =>
            {
                var ruleMode = rule.Mode ?? mode;
                ruleOptions.Add(new FieldRuleOptions
                {
                    rule = RuleAliases.AliasFor(rule),
                    mode = ruleMode.Mode
                });
            });

            field.rules = ruleOptions.ToArray();

            options._fields.Add(field);
        }

        /// <summary>
        /// Formats the provided value using the accessor accessor metadata and a custom format
        /// </summary>
        /// <param name="formatter">The formatter</param>
        /// <param name="modelType">The type of the model to which the accessor belongs (i.e. Case where the accessor might be on its base class WorkflowItem)</param>
        /// <param name="accessor">The property that holds the given value</param>
        /// <param name="value">The data to format</param>
        /// <param name="format">The custom format specifier</param>
        public static string FormatValue(this IDisplayFormatter formatter, Type modelType, Accessor accessor,
            object value, string format)
        {
            var request = new GetStringRequest(accessor, value, null, format, null);

            return formatter.GetDisplay(request);
        }

		public override IEnumerable<CodeAction> GetActions(RefactoringContext context)
		{
			var pdecl = context.GetNode<PropertyDeclaration> ();
			if (pdecl == null || !pdecl.Getter.IsNull && !pdecl.Setter.IsNull || !pdecl.NameToken.Contains(context.Location)) { 
				yield break;
			}

			var type = pdecl.Parent as TypeDeclaration;
			if (type != null && type.ClassType == ClassType.Interface) {
				yield break;
			}
			yield return new CodeAction (pdecl.Setter.IsNull ? context.TranslateString("Add setter") : context.TranslateString("Add getter"), script => {
				Statement accessorStatement = null;
			
				var accessor = new Accessor ();
				if (!pdecl.Getter.IsNull && !pdecl.Getter.Body.IsNull || !pdecl.Setter.IsNull && !pdecl.Setter.Body.IsNull) {
					accessorStatement = BuildAccessorStatement(context, pdecl);
					accessor.Body = new BlockStatement { accessorStatement };
				}

				accessor.Role = pdecl.Setter.IsNull ? PropertyDeclaration.SetterRole : PropertyDeclaration.GetterRole;

				if (pdecl.Setter.IsNull && !pdecl.Getter.IsNull) {
					script.InsertAfter(pdecl.Getter, accessor);
				} else if (pdecl.Getter.IsNull && !pdecl.Setter.IsNull) {
					script.InsertBefore(pdecl.Setter, accessor);
				} else {
					script.InsertBefore(pdecl.Getter, accessor);
				}
				script.FormatText(pdecl);
				if (accessorStatement != null)
					script.Select(accessorStatement);
			}, pdecl.NameToken);
		}

        public RouteParameter(Accessor accessor)
        {
            _accessor = accessor;
            accessor.ForAttribute<RouteInputAttribute>(x => DefaultValue = x.DefaultValue);

            _regex = new Regex(@"{\*?" + Name + @"(?:\:.*?)?}", RegexOptions.Compiled);
        }

 public virtual void VisitAccessor(Accessor accessor)
 {
     if (this.ThrowException)
     {
         throw (Exception)this.CreateException(accessor);
     }
 }

 public IEnumerable<KeyValuePair<string, string>> GetMessageSubstitutions(Accessor accessor)
 {
     return new List<KeyValuePair<string, string>>
                 {
                     new KeyValuePair<string, string>(FIELD, accessor.Name)
                 };
 }

        protected virtual void EmitPropertyMethod(PropertyDeclaration propertyDeclaration, Accessor accessor, bool setter)
        {
            var memberResult = this.Emitter.Resolver.ResolveNode(propertyDeclaration, this.Emitter) as MemberResolveResult;

            if (memberResult != null &&
                (memberResult.Member.Attributes.Any(a => a.AttributeType.FullName == "Bridge.FieldPropertyAttribute") ||
                (propertyDeclaration.Getter.IsNull && propertyDeclaration.Setter.IsNull)))
            {
                return;
            }

            if (!accessor.IsNull && this.Emitter.GetInline(accessor) == null)
            {
                this.EnsureComma();

                this.ResetLocals();

                var prevMap = this.BuildLocalsMap();
                var prevNamesMap = this.BuildLocalsNamesMap();

                if (setter)
                {
                    this.AddLocals(new ParameterDeclaration[] { new ParameterDeclaration { Name = "value" } }, accessor.Body);
                }

                XmlToJsDoc.EmitComment(this, this.PropertyDeclaration);
                var overloads = OverloadsCollection.Create(this.Emitter, propertyDeclaration, setter);
                string name = overloads.GetOverloadName();
                this.Write((setter ? "set" : "get") + name);
                this.WriteColon();
                this.WriteFunction();
                this.WriteOpenParentheses();
                this.Write(setter ? "value" : "");
                this.WriteCloseParentheses();
                this.WriteSpace();

                var script = this.Emitter.GetScript(accessor);

                if (script == null)
                {
                    accessor.Body.AcceptVisitor(this.Emitter);
                }
                else
                {
                    this.BeginBlock();

                    foreach (var line in script)
                    {
                        this.Write(line);
                        this.WriteNewLine();
                    }

                    this.EndBlock();
                }

                this.ClearLocalsMap(prevMap);
                this.ClearLocalsNamesMap(prevNamesMap);
                this.Emitter.Comma = true;
            }
        }

 public void Validate(Accessor accessor, ValidationContext context)
 {
     var rawValue = accessor.GetValue(context.Target);
     if (rawValue != null && rawValue.ToString().Length > Length)
     {
         context.Notification.RegisterMessage(accessor, Token, TemplateValue.For(LENGTH, _length));
     }
 }