ObjFW  Diff

 *
 * Keys are copied and thus must conform to the OFCopying protocol.
 *
 * @note Fast enumeration on a dictionary enumerates through the keys of the
 *	 dictionary.
 */
#ifdef OF_HAVE_GENERICS
@interface OFDictionary<KeyType, ObjectType>:
#else
# ifndef DOXYGEN
#  define KeyType id
#  define ObjectType id
# endif
@interface OFDictionary:
#endif

/*!
 * @brief Creates a new OFDictionary with the specified dictionary.
 *
 * @param dictionary An OFDictionary
 * @return A new autoreleased OFDictionary
 */
+ (instancetype)dictionaryWithDictionary:
   (OFDictionary OF_GENERIC(KeyType, ObjectType) *)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
 */
+ (instancetype)dictionaryWithObject: (ObjectType)object
			      forKey: (KeyType)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
 */
+ (instancetype)
    dictionaryWithObjects: (OFArray OF_GENERIC(ObjectType) *)objects
		  forKeys: (OFArray OF_GENERIC(KeyType) *)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

/*!
 * @brief Initializes an already allocated OFDictionary with the specified
 *	  OFDictionary.
 *
 * @param dictionary An OFDictionary
 * @return An initialized OFDictionary
 */
- initWithDictionary:
    (OFDictionary OF_GENERIC(KeyType, ObjectType) *)dictionary;

/*!
 * @brief Initializes an already allocated OFDictionary with the specified key
 *	  and object.
 *
 * @param key The key
 * @param object The object
 * @return An initialized OFDictionary
 */
- initWithObject: (ObjectType)object
	  forKey: (KeyType)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 An initialized OFDictionary
 */
- initWithObjects: (OFArray OF_GENERIC(ObjectType) *)objects
	  forKeys: (OFArray OF_GENERIC(KeyType) *)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

 * `[super valueForKey:]` is called.
 * If the key does not start with an `@`, this is equivalent to
 * @ref objectForKey:.
 *
 * @param key The key whose value should be returned
 * @return The value for the given key or `nil` if the key was not found
 */
- (nullable id)valueForKey: (OFString *)key;

/*!
 * @brief Sets a value for a key.
 *
 * If the key starts with an `@`, the `@` is stripped and
 * `[super setValue:forKey:]` is called.
 * If the key does not start with an `@`, this is equivalent to
 * @ref setObject:forKey:. In this case, if the dictionary is immutable, an
 * @ref OFUndefinedKeyException is thrown.
 *
 * @param key The key to set
 * @param value The value to set the key to
 */
- (void)setValue: (nullable id)value
	  forKey: (OFString *)key;

/*!
 * @brief Checks whether the dictionary contains an object equal to the
 *	  specified object.
 *
 * @param object The object which is checked for being in the dictionary
 * @return A boolean whether the dictionary contains the specified object

- (bool)containsObjectIdenticalTo: (nullable ObjectType)object;

/*!
 * @brief Returns an array of all keys.
 *
 * @return An array of all keys
 */
- (OFArray OF_GENERIC(KeyType) *)allKeys;

/*!
 * @brief Returns an array of all objects.
 *
 * @return An array of all objects
 */
- (OFArray OF_GENERIC(ObjectType) *)allObjects;

/*!
 * @brief Returns an OFEnumerator to enumerate through the dictionary's keys.
 *
 * @return An OFEnumerator to enumerate through the dictionary's keys
 */
- (OFEnumerator OF_GENERIC(KeyType) *)keyEnumerator;

/*!
 * @brief Returns an OFEnumerator to enumerate through the dictionary's objects.
 *
 * @return An OFEnumerator to enumerate through the dictionary's objects
 */
- (OFEnumerator OF_GENERIC(ObjectType) *)objectEnumerator;

#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 autoreleased OFDictionary
 */
- (OFDictionary OF_GENERIC(KeyType, id) *)mappedDictionaryUsingBlock:
    (of_dictionary_map_block_t)block;

/*!
 * @brief Creates a new dictionary, only containing the objects for which the
 *	  block returns true.
 *
 * @param block A block which determines if the object should be in the new
 *		dictionary
 * @return A new autoreleased OFDictionary
 */
- (OFDictionary OF_GENERIC(KeyType, ObjectType) *)filteredDictionaryUsingBlock:
    (of_dictionary_filter_block_t)block;
#endif
@end
#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
# undef KeyType
# undef ObjectType
#endif