/*
* Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
*
* 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.
*/
#import "OFDictionary.h"
OF_ASSUME_NONNULL_BEGIN
/** @file */
#ifdef OF_HAVE_BLOCKS
/**
* @brief A block for replacing objects in an OFMutableDictionary.
*
* @param key The key of the object to replace
* @param object The object to replace
* @return The object to replace the object with
*/
typedef id _Nonnull (^OFDictionaryReplaceBlock)(id key, id object);
#endif
/**
* @class OFMutableDictionary OFDictionary.h ObjFW/OFDictionary.h
*
* @brief An abstract class for storing and changing objects in a dictionary.
*
* @note Subclasses must implement @ref setObject:forKey:,
* @ref removeObjectForKey: as well as all methods of @ref OFDictionary
* that need to be implemented.
*/
@interface OFMutableDictionary OF_GENERIC(KeyType, ObjectType):
OFDictionary OF_GENERIC(KeyType, ObjectType)
#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
# define KeyType id
# define ObjectType id
#endif
/**
* @brief Creates a new OFMutableDictionary with enough memory to hold the
* specified number of objects.
*
* @param capacity The initial capacity for the OFMutableDictionary
* @return A new autoreleased OFMutableDictionary
*/
+ (instancetype)dictionaryWithCapacity: (size_t)capacity;
/**
* @brief Initializes an already allocated OFMutableDictionary with enough
* memory to hold the specified number of objects.
*
* @param capacity The initial capacity for the OFMutableDictionary
* @return An initialized OFMutableDictionary
*/
- (instancetype)initWithCapacity: (size_t)capacity;
/**
* @brief Sets an object for a key.
*
* A key can be any object that conforms to the OFCopying protocol.
*
* @param key The key to set
* @param object The object to set the key to
*/
- (void)setObject: (ObjectType)object forKey: (KeyType)key;
/**
* @brief Sets an object for a key.
*
* A key can be any object that conforms to the OFCopying protocol.
*
* This method is also used by the subscripting syntax.
*
* @param key The key to set
* @param object The object to set the key to. If it is nil, this is equal to
* calling @ref removeObjectForKey:.
*/
- (void)setObject: (nullable ObjectType)object forKeyedSubscript: (KeyType)key;
/**
* @brief Removes the object for the specified key from the dictionary.
*
* @param key The key whose object should be removed
*/
- (void)removeObjectForKey: (KeyType)key;
/**
* @brief Removes all objects.
*/
- (void)removeAllObjects;
/**
* @brief Adds the entries from the specified dictionary.
*
* @param dictionary The dictionary whose entries should be added
*/
- (void)addEntriesFromDictionary:
(OFDictionary OF_GENERIC(KeyType, ObjectType) *)dictionary;
#ifdef OF_HAVE_BLOCKS
/**
* @brief Replaces each object with the object returned by the block.
*
* @param block The block which returns a new object for each object
*/
- (void)replaceObjectsUsingBlock: (OFDictionaryReplaceBlock)block;
#endif
/**
* @brief Converts the mutable dictionary to an immutable dictionary.
*/
- (void)makeImmutable;
#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
# undef KeyType
# undef ObjectType
#endif
@end
OF_ASSUME_NONNULL_END