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80 lines
2.9 KiB
Objective-C
80 lines
2.9 KiB
Objective-C
//
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// RKPropertyInspector.h
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// RestKit
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//
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// Created by Blake Watters on 3/4/10.
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// Copyright (c) 2009-2012 RestKit. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#import <Foundation/Foundation.h>
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@class NSEntityDescription;
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/**
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The `RKPropertyInspector` class provides an interface for introspecting the properties and attributes of classes using the reflection capabilities of the Objective-C runtime. Once inspected, the properties and types are cached.
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*/
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@interface RKPropertyInspector : NSObject {
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@protected
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NSCache *_propertyNamesToTypesCache;
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}
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///-----------------------------------------------
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/// @name Retrieving the Shared Inspector Instance
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///-----------------------------------------------
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/**
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Returns the shared property inspector singleton instance.
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@return The shared `RKPropertyInspector` instance.
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*/
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+ (RKPropertyInspector *)sharedInspector;
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///------------------------------------------------------
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/// @name Retrieving the Properties and Types for a Class
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///------------------------------------------------------
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/**
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Returns a dictionary of names and types for the properties of a given class.
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@param objectClass The class to retrieve the property name and types for.
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@return A dictionary containing metadata about the properties of the given class, where the keys in the dictionary are the property names and the values are `Class` objects specifying the type of the property.
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*/
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- (NSDictionary *)propertyNamesAndTypesForClass:(Class)objectClass;
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/**
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Returns the `Class` object specifying the type of the property with given name on a class.
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@param propertyName The name of the property to retrieve the type of.
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@param objectClass The class to retrieve the property from.
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@return A `Class` object specifying the type of the requested property.
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*/
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- (Class)classForPropertyNamed:(NSString *)propertyName ofClass:(Class)objectClass;
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@end
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///----------------------------
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/// @name Convenience Functions
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///----------------------------
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/**
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Returns the class of the attribute or relationship property at the key path of the given object.
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Given a key path to a string property, this will return an `NSString`, etc.
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@param keyPath The key path to the property to retrieve the class of.
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@return The class of the property at the given key path.
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*/
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Class RKPropertyInspectorGetClassForPropertyAtKeyPathOfObject(NSString *keyPath, id object);
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