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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS
#endif
#ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS
#endif
#include <stdarg.h>
#import "OFObject.h"
#import "OFCollection.h"
#import "OFEnumerator.h"
#import "OFSerialization.h"
#import "OFJSONRepresentation.h"
@class OFArray;
#ifdef OF_HAVE_BLOCKS
typedef void (^of_dictionary_enumeration_block_t)(id key, id object,
BOOL *stop);
typedef BOOL (^of_dictionary_filter_block_t)(id key, id object);
typedef id (^of_dictionary_map_block_t)(id key, id object);
#endif
/**
* \brief An abstract class for storing objects in a dictionary.
*
* Keys are copied and thus must conform to the OFCopying protocol.
*
* Note: Fast enumeration on a dictionary enumerates through the keys of the
* dictionary.
*/
@interface OFDictionary: OFObject <OFCopying, OFMutableCopying, OFCollection,
OFSerialization, OFJSONRepresentation>
/**
* \brief Creates a new OFDictionary.
*
* \return A new autoreleased OFDictionary
*/
+ dictionary;
/**
* \brief Creates a new OFDictionary with the specified dictionary.
*
* \param dictionary An OFDictionary
* \return A new autoreleased OFDictionary
*/
+ dictionaryWithDictionary: (OFDictionary*)dictionary;
/**
* \brief Creates a new OFDictionary with the specified key and object.
*
* \param key The key
* \param object The object
* \return A new autoreleased OFDictionary
*/
+ dictionaryWithObject: (id)object
forKey: (id)key;
/**
* \brief Creates a new OFDictionary with the specified keys and objects.
*
* \param keys An array of keys
* \param objects An array of objects
* \return A new autoreleased OFDictionary
*/
+ dictionaryWithObjects: (OFArray*)objects
forKeys: (OFArray*)keys;
/**
* \brief Creates a new OFDictionary with the specified keys and objects.
*
* \param keys An array of keys
* \param objects An array of objects
* \param count The number of objects in the arrays
* \return A new autoreleased OFDictionary
*/
+ dictionaryWithObjects: (id const*)objects
forKeys: (id const*)keys
count: (size_t)count;
/**
* \brief Creates a new OFDictionary with the specified keys objects.
*
* \param firstKey The first key
* \return A new autoreleased OFDictionary
*/
+ dictionaryWithKeysAndObjects: (id)firstKey, ...;
/**
* \brief Initializes an already allocated OFDictionary.
*
* \return An initialized OFDictionary
*/
- init;
/**
* \brief Initializes an already allocated OFDictionary with the specified
* OFDictionary.
*
* \param dictionary An OFDictionary
* \return An initialized OFDictionary
*/
- initWithDictionary: (OFDictionary*)dictionary;
/**
* \brief Initializes an already allocated OFDictionary with the specified key
* and object.
*
* \param key The key
* \param object The object
* \return A new initialized OFDictionary
*/
- initWithObject: (id)object
forKey: (id)key;
/**
* \brief Initializes an already allocated OFDictionary with the specified keys
* and objects.
*
* \param keys An array of keys
* \param objects An array of objects
* \return A new initialized OFDictionary
*/
- initWithObjects: (OFArray*)objects
forKeys: (OFArray*)keys;
/**
* \brief Initializes an already allocated OFDictionary with the specified keys
* and objects.
*
* \param keys An array of keys
* \param objects An array of objects
* \param count The number of objects in the arrays
* \return A new initialized OFDictionary
*/
- initWithObjects: (id const*)objects
forKeys: (id const*)keys
count: (size_t)count;
/**
* \brief Initializes an already allocated OFDictionary with the specified keys
* and objects.
*
* \param firstKey The first key
* \return A new initialized OFDictionary
*/
- initWithKeysAndObjects: (id)firstKey, ...;
/**
* \brief Initializes an already allocated OFDictionary with the specified key
* and va_list.
*
* \param firstKey The first key
* \param arguments A va_list of the other arguments
* \return A new initialized OFDictionary
*/
- initWithKey: (id)firstKey
arguments: (va_list)arguments;
/**
* \brief Returns the object for the given key or nil if the key was not found.
*
* The returned object is <i>not</i> retained and autoreleased for performance
* reasons!
*
* \param key The key whose object should be returned
* \return The object for the given key or nil if the key was not found
*/
- (id)objectForKey: (id)key;
- (id)objectForKeyedSubscript: (id)key;
/**
* \brief Checks whether the dictionary contains an object with the specified
* address.
*
* \param object The object which is checked for being in the dictionary
* \return A boolean whether the dictionary contains an object with the
* specified address.
*/
- (BOOL)containsObjectIdenticalTo: (id)object;
/**
* \brief Returns an array of all keys.
*
* \return An array of all keys
*/
- (OFArray*)allKeys;
/**
* \brief Returns an array of all objects.
*
* \return An array of all objects
*/
- (OFArray*)allObjects;
/**
* \brief Returns an OFEnumerator to enumerate through the dictionary's keys.
*
* \return An OFEnumerator to enumerate through the dictionary's keys
*/
- (OFEnumerator*)keyEnumerator;
#ifdef OF_HAVE_BLOCKS
/**
* \brief Executes a block for each key / object pair.
*
* \param block The block to execute for each key / object pair.
*/
- (void)enumerateKeysAndObjectsUsingBlock:
(of_dictionary_enumeration_block_t)block;
/**
* \brief Creates a new dictionary, mapping each object using the specified
* block.
*
* \param block A block which maps an object for each object
* \return A new, autorelease OFDictionary
*/
- (OFDictionary*)mappedDictionaryUsingBlock: (of_dictionary_map_block_t)block;
/**
* \brief Creates a new dictionary, only containing the objects for which the
* block returns YES.
*
* \param block A block which determines if the object should be in the new
* dictionary
* \return A new, autoreleased OFDictionary
*/
- (OFDictionary*)filteredDictionaryUsingBlock:
(of_dictionary_filter_block_t)block;
#endif
@end
#import "OFMutableDictionary.h"
#ifndef NSINTEGER_DEFINED
/* Required for dictionary literals to work */
@compatibility_alias NSDictionary OFDictionary;
#endif
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