a hash table of pointers to DcmDictEntry objects More...

Public Member Functions
	DcmHashDict ()
	default constructor

	~DcmHashDict ()
	destructor

int	size () const
	counts total number of entries More...

void	clear ()
	clears the hash table of all entries

void	put (DcmDictEntry *entry)
	inserts an entry into hash table (deletes old entry if present) More...

const DcmDictEntry *	get (const DcmTagKey &key, const char *privCreator) const
	hash table lookup for the given tag key and private creator name More...

void	del (const DcmTagKey &key, const char *privCreator)
	deletes the entry for the given tag and private creator More...

DcmHashDictIterator	begin () const
	returns iterator to start of hash table

DcmHashDictIterator	end () const
	returns iterator to end of hash table

STD_NAMESPACE ostream &	loadSummary (STD_NAMESPACE ostream &out)
	prints some information about hash table bucket utilization

Private Member Functions
	DcmHashDict (const DcmHashDict &)
	private unimplemented copy constructor

DcmHashDict &	operator= (const DcmHashDict &)
	private unimplemented copy assignment operator

void	_init ()
	performs initialization for given hash table size, called from constructor

int	hash (const DcmTagKey key, const char privCreator) const
	compute hash value for given tag key More...

DcmDictEntry *	insertInList (DcmDictEntryList &lst, DcmDictEntry *entry)
	inserts new entry into given list More...

DcmDictEntry *	removeInList (DcmDictEntryList &lst, const DcmTagKey &key, const char *privCreator)
	removes the entry for the given tag and private creator More...

DcmDictEntry *	findInList (DcmDictEntryList &lst, const DcmTagKey &key, const char *privCreator) const
	searches entry for the given tag and private creator More...

Private Attributes
DcmDictEntryList **	hashTab
	array of (hash table size) pointers to DcmDictEntryList elements implementing the different buckets of the hash table

int	lowestBucket
	index of lowest bucket for which the DcmDictEntryList has been initialized

int	highestBucket
	index of highest bucket for which the DcmDictEntryList has been initialized

int	entryCount
	number of entries in hash table

Static Private Attributes
static const int	hashTabLength
	number of buckets in hash table

Friends
class	DcmHashDictIterator

Detailed Description

a hash table of pointers to DcmDictEntry objects

Member Function Documentation

void DcmHashDict::del	(	const DcmTagKey &	key,
		const char *	privCreator
	)

deletes the entry for the given tag and private creator

Parameters

key	tag key of the entry to be deleted
privCreator	private creator name, may be NULL

DcmDictEntry* DcmHashDict::findInList	(	DcmDictEntryList &	lst,
		const DcmTagKey &	key,
		const char *	privCreator
	)		const

private

searches entry for the given tag and private creator

Parameters

lst	list to search in
key	tag key of the entry to be searched for
privCreator	private creator name, may be NULL

Returns: pointer to found element, NULL if not found

const DcmDictEntry* DcmHashDict::get	(	const DcmTagKey &	key,
		const char *	privCreator
	)		const

hash table lookup for the given tag key and private creator name

Parameters

key	tag key of the entry to be searched for
privCreator	private creator name, may be NULL

Returns: pointer to entry (if found), otherwise NULL

int DcmHashDict::hash	(	const DcmTagKey *	key,
		const char *	privCreator
	)		const

private

compute hash value for given tag key

Parameters

key	pointer to tag key
privCreator	private creator name, may be NULL

Returns: hash value

DcmDictEntry* DcmHashDict::insertInList	(	DcmDictEntryList &	lst,
		DcmDictEntry *	entry
	)

private

inserts new entry into given list

Parameters

lst	list to add to
entry	new element to add, will be deleted upon destruction of the hash table

Returns: pointer to replaced element, if any

void DcmHashDict::put ( DcmDictEntry * entry )

inserts an entry into hash table (deletes old entry if present)

Parameters

entry pointer to new entry

DcmDictEntry* DcmHashDict::removeInList	(	DcmDictEntryList &	lst,
		const DcmTagKey &	key,
		const char *	privCreator
	)

private

removes the entry for the given tag and private creator

Parameters

lst	list to remove from
key	tag key of the entry to be removed
privCreator	private creator name, may be NULL

Returns: pointer to removed element, if any

int DcmHashDict::size ( ) const

inline

counts total number of entries

Returns: number of entries

The documentation for this class was generated from the following file:

dcmdata/include/dcmtk/dcmdata/dchashdi.h

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Friends

Detailed Description

Member Function Documentation