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/*!
* @struct of_map_table_functions_t OFMapTable.h ObjFW/OFMapTable.h
*
* @brief A struct describing the functions to be used by the map table.
*/
typedef struct {
/// The function to retain keys / objects
void *_Nonnull (*_Nullable retain)(void *object);
/// The function to release keys / objects
void (*_Nullable release)(void *object);
/// The function to hash keys
uint32_t (*_Nullable hash)(void *object);
/// The function to compare keys / objects
bool (*_Nullable equal)(void *object1, void *object2);
/*! The function to retain keys / objects */
void *_Nullable (*_Nullable retain)(void *_Nullable object);
/*! The function to release keys / objects */
void (*_Nullable release)(void *_Nullable object);
/*! The function to hash keys */
uint32_t (*_Nullable hash)(void *_Nullable object);
/*! The function to compare keys / objects */
bool (*_Nullable equal)(void *_Nullable object1,
void *_Nullable object2);
} of_map_table_functions_t;
#ifdef OF_HAVE_BLOCKS
/*!
* @brief A block for enumerating an OFMapTable.
*
* @param key The current key
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*
* @brief A class similar to OFDictionary, but providing more options how keys
* and objects should be retained, released, compared and hashed.
*/
@interface OFMapTable: OFObject <OFCopying, OFFastEnumeration>
{
of_map_table_functions_t _keyFunctions, _objectFunctions;
struct of_map_table_bucket **_buckets;
struct of_map_table_bucket *_Nonnull *_Nullable _buckets;
uint32_t _count, _capacity;
uint8_t _rotate;
unsigned long _mutations;
}
/*!
* The key functions used by the map table.
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*
* @brief A class which provides methods to enumerate through an OFMapTable's
* keys or objects.
*/
@interface OFMapTableEnumerator: OFObject
{
OFMapTable *_mapTable;
struct of_map_table_bucket **_buckets;
struct of_map_table_bucket *_Nonnull *_Nullable _buckets;
uint32_t _capacity;
unsigned long _mutations;
unsigned long *_mutationsPtr;
unsigned long *_Nullable _mutationsPtr;
uint32_t _position;
}
- init OF_UNAVAILABLE;
/*!
* @brief Returns the next object.
*
* @return The next object
*/
- (void *)nextObject;
- (nullable void *)nextObject;
/*!
* @brief Resets the enumerator, so the next call to @ref nextKey returns the
* first key again.
*/
- (void)reset;
@end
OF_ASSUME_NONNULL_END
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