#define HASH_SET_H
#include "hashtable.h"
-template<typename _Key>
-struct LinkNode {
- _Key key;
- LinkNode<_Key> *prev;
- LinkNode<_Key> *next;
-};
-
-template<typename _Key, typename _KeyInt, int _Shift, void *
- (* _malloc)(size_t), void * (* _calloc)(size_t, size_t), void (*_free)(void *), unsigned int (*hash_function
- )(_Key), bool (*equals)(_Key, _Key)>
-class HashSet;
-
-template<typename _Key, typename _KeyInt, int _Shift, void * (* _malloc)(size_t), void * (* _calloc)(size_t, size_t), void (*_free)(void *), unsigned int (*hash_function)(_Key) = default_hash_function<_Key, _Shift, _KeyInt>, bool (*equals)(_Key, _Key) = default_equals<_Key> >
-class HSIterator {
-public:
- HSIterator(LinkNode<_Key> *_curr, HashSet <_Key, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals> * _set) :
- curr(_curr),
- set(_set)
- {
- }
-
- /** Override: new operator */
- void * operator new(size_t size) {
- return _malloc(size);
- }
-
- /** Override: delete operator */
- void operator delete(void *p, size_t size) {
- _free(p);
- }
-
- /** Override: new[] operator */
- void * operator new[](size_t size) {
- return _malloc(size);
- }
-
- /** Override: delete[] operator */
- void operator delete[](void *p, size_t size) {
- _free(p);
- }
-
- bool hasNext() {
- return curr!=NULL;
- }
-
- _Key next() {
- _Key k=curr->key;
- last=curr;
- curr=curr->next;
- return k;
- }
-
- _Key currKey() {
- return last->key;
- }
-
- void remove() {
- _Key k=last->key;
- set->remove(k);
- }
-
-private:
- LinkNode<_Key> *curr;
- LinkNode<_Key> *last;
- HashSet <_Key, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals> * set;
-};
-
-template<typename _Key, typename _KeyInt, int _Shift = 0, void * (* _malloc)(size_t) = model_malloc, void * (* _calloc)(size_t, size_t) = model_calloc, void (*_free)(void *) = model_free, unsigned int (*hash_function)(_Key) = default_hash_function<_Key, _Shift, _KeyInt>, bool (*equals)(_Key, _Key) = default_equals<_Key> >
-class HashSet {
-public:
- HashSet(unsigned int initialcapacity = 16, double factor = 0.5) :
- table(new HashTable<_Key, LinkNode<_Key> *, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals>(initialcapacity, factor)),
- list(NULL),
- tail(NULL)
- {
- }
-
- /** @brief Hashset destructor */
- ~HashSet() {
- LinkNode<_Key> *tmp=list;
- while(tmp!=NULL) {
- LinkNode<_Key> *tmpnext=tmp->next;
- _free(tmp);
- tmp=tmpnext;
- }
- delete table;
- }
-
- HashSet<_Key, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals> * copy() {
- HashSet<_Key, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals> *copy=new HashSet<_Key, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals>(table->getCapacity(), table->getLoadFactor());
- HSIterator<_Key, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals> * it=iterator();
- while(it->hasNext())
- copy->add(it->next());
- delete it;
- return copy;
- }
-
- void reset() {
- LinkNode<_Key> *tmp=list;
- while(tmp!=NULL) {
- LinkNode<_Key> *tmpnext=tmp->next;
- _free(tmp);
- tmp=tmpnext;
- }
- list=tail=NULL;
- table->reset();
- }
-
- /** @brief Adds a new key to the hashset. Returns false if the key
- * is already present. */
-
- bool add(_Key key) {
- LinkNode<_Key> * val=table->get(key);
- if (val==NULL) {
- LinkNode<_Key> * newnode=(LinkNode<_Key> *)_malloc(sizeof(struct LinkNode<_Key>));
- newnode->prev=tail;
- newnode->next=NULL;
- newnode->key=key;
- if (tail!=NULL)
- tail->next=newnode;
- else
- list=newnode;
- tail=newnode;
- table->put(key, newnode);
- return true;
- } else
- return false;
- }
-
- /** @brief Gets the original key corresponding to this one from the
- * hashset. Returns NULL if not present. */
-
- _Key get(_Key key) {
- LinkNode<_Key> * val=table->get(key);
- if (val!=NULL)
- return val->key;
- else
- return NULL;
- }
-
- _Key getFirstKey() {
- return list->key;
- }
-
- bool contains(_Key key) {
- return table->get(key)!=NULL;
- }
-
- bool remove(_Key key) {
- LinkNode<_Key> * oldlinknode;
- oldlinknode=table->get(key);
- if (oldlinknode==NULL) {
- return false;
- }
- table->remove(key);
-
- //remove link node from the list
- if (oldlinknode->prev==NULL)
- list=oldlinknode->next;
- else
- oldlinknode->prev->next=oldlinknode->next;
- if (oldlinknode->next!=NULL)
- oldlinknode->next->prev=oldlinknode->prev;
- else
- tail=oldlinknode->prev;
- _free(oldlinknode);
- return true;
- }
-
- unsigned int getSize() {
- return table->getSize();
- }
-
- bool isEmpty() {
- return getSize()==0;
- }
-
-
-
- HSIterator<_Key, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals> * iterator() {
- return new HSIterator<_Key, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals>(list, this);
- }
-
- /** Override: new operator */
- void * operator new(size_t size) {
- return _malloc(size);
- }
-
- /** Override: delete operator */
- void operator delete(void *p, size_t size) {
- _free(p);
- }
-
- /** Override: new[] operator */
- void * operator new[](size_t size) {
- return _malloc(size);
- }
-
- /** Override: delete[] operator */
- void operator delete[](void *p, size_t size) {
- _free(p);
- }
-private:
- HashTable<_Key, LinkNode<_Key>*, _KeyInt, _Shift, _malloc, _calloc, _free, hash_function, equals> * table;
- LinkNode<_Key> *list;
- LinkNode<_Key> *tail;
-};
+#define HashSetDef(Name, _Key, _KeyInt, _Shift, hash_function, equals) \
+ struct LinkNode ## Name{ \
+ _Key key; \
+ struct LinkNode ## Name *prev; \
+ struct LinkNode ## Name *next; \
+ }; \
+ typedef struct LinkNode ## Name LinkNode ## Name; \
+ struct HashSet ## Name; \
+ typedef struct HashSet ## Name HashSet ## Name; \
+ struct HSIterator ## Name { \
+ LinkNode ## Name *curr; \
+ LinkNode ## Name *last; \
+ HashSet ## Name * set; \
+ }; \
+ \
+ HSIterator ## Name * allocHSIterator ## Name(LinkNode ## Name *_curr, HashSet ## Name * _set); \
+ void freeIter ## Name(HSIterator ## Name *hsit); \
+ bool hasNext ## Name(HSIterator ## Name *hsit); \
+ _Key next ## Name(HSIterator ## Name *hsit); \
+ _Key currKey ## Name(HSIterator ## Name *hsit); \
+ void remove ## Name(HSIterator ## Name *hsit); \
+ struct HashSet ## Name { \
+ HashTable ## Name * table; \
+ LinkNode ## Name *list; \
+ LinkNode ## Name *tail; \
+ }; \
+ typedef struct HashSet ## Name HashSet ## Name; \
+ \
+ HashSet ## Name * allocHashSet ## Name (unsigned int initialcapacity, double factor); \
+ void freeHashSet ## Name(struct HashSet ## Name * set); \
+ HashSet ## Name * copy ## Name(HashSet ## Name * set); \
+ void reset ## Name(HashSet ## Name * set); \
+ bool add ## Name(HashSet ## Name * set,_Key key); \
+ _Key get ## Name(HashSet ## Name * set,_Key key); \
+ _Key getFirstKey ## Name(HashSet ## Name * set); \
+ bool contains ## Name(HashSet ## Name * set,_Key key); \
+ bool remove ## Name(HashSet ## Name * set,_Key key); \
+ unsigned int getSize ## Name(HashSet ## Name * set); \
+ bool isEmpty ## Name(HashSet ## Name * set); \
+ HSIterator ## Name * iterator ## Name(HashSet ## Name * set);
+
+
+#define HashSetDef(Name, _Key, _KeyInt, _Shift, hash_function, equals) \
+ HSIterator ## Name * allocHSIterator ## Name(LinkNode ## Name *_curr, HashSet ## Name * _set) { \
+ HSIterator ## Name * hsit = (HSIterator ## Name *) ouralloc(sizeof(HSIterator ## Name)); \
+ hsit->curr=_curr; \
+ hsit->set=_set; \
+ } \
+ \
+ void freeIter ## Name(HSIterator ## Name *hsit) { \
+ ourfree(hsit); \
+ } \
+ \
+ bool hasNext ## Name(HSIterator ## Name *hsit) { \
+ return hsit->curr!=NULL; \
+ } \
+ \
+ _Key next ## Name(HSIterator ## Name *hsit) { \
+ _Key k=hsit->curr->key; \
+ hsit->last=hsit->curr; \
+ hsit->curr=hsit->curr->next; \
+ return k; \
+ } \
+ \
+ _Key currKey ## Name(HSIterator ## Name *hsit) { \
+ return hsit->last->key; \
+ } \
+ \
+ void remove ## Name(HSIterator ## Name *hsit) { \
+ _Key k=hsit->last->key; \
+ remove ## Name(hsit->set, k); \
+ } \
+ \
+ HashSet ## Name * allocHashSet ## Name (unsigned int initialcapacity, double factor) { \
+ HashSet ## Name * set = (HashSet ## Name *) ouralloc(sizeof(struct HashSet ## Name)); \
+ set->table=allocHashTable ## Name(initialcapcity, factor); \
+ set->list=NULL; \
+ set->tail=NULL; \
+ } \
+ \
+ void freeHashSet ## Name(struct HashSet ## Name * set) { \
+ LinkNode ## Name *tmp=set->list; \
+ while(tmp!=NULL) { \
+ LinkNode ## Name *tmpnext=tmp->next; \
+ ourfree(tmp); \
+ tmp=tmpnext; \
+ } \
+ freeHashTable ## Name(set->table); \
+ ourfree(set); \
+ } \
+ \
+ HashSet ## Name * copy ## Name(HashSet ## Name * set) { \
+ HashSet ## Name *copy=new HashSet ## Name(getCapacity ## Name(set->table), getLoadFactor ## Name(set->table)); \
+ HSIterator ## Name * it=iterator ## Name(set); \
+ while(hasNext ## Name(it)) \
+ add ## Name(copy, next ## Name(it)); \
+ freeIt ## Name(it); \
+ return copy; \
+ } \
+ \
+ void reset ## Name(HashSet ## Name * set) { \
+ LinkNode ## Name *tmp=set->list; \
+ while(tmp!=NULL) { \
+ LinkNode ## Name *tmpnext=tmp->next; \
+ ourfree(tmp); \
+ tmp=tmpnext; \
+ } \
+ set->list=set->tail=NULL; \
+ reset ## Name(set->table); \
+ } \
+ \
+ bool add ## Name(HashSet ## Name * set,_Key key) { \
+ LinkNode ## Name * val=get ## Name(set->table, key); \
+ if (val==NULL) { \
+ LinkNode ## Name * newnode=(LinkNode ## Name *)ourmalloc(sizeof(struct LinkNode ## Name)); \
+ newnode->prev=set->tail; \
+ newnode->next=NULL; \
+ newnode->key=key; \
+ if (set->tail!=NULL) \
+ set->tail->next=newnode; \
+ else \
+ set->list=newnode; \
+ set->tail=newnode; \
+ put ## Name(set->table, key, newnode); \
+ return true; \
+ } else \
+ return false; \
+ } \
+ \
+ _Key get ## Name(HashSet ## Name * set,_Key key) { \
+ LinkNode ## Name * val=get ## Name(set->table, key); \
+ if (val!=NULL) \
+ return val->key; \
+ else \
+ return NULL; \
+ } \
+ \
+ _Key getFirstKey ## Name(HashSet ## Name * set) { \
+ return set->list->key; \
+ } \
+ \
+ bool contains ## Name(HashSet ## Name * set,_Key key) { \
+ return get ## Name(set->table, key)!=NULL; \
+ } \
+ \
+ bool remove ## Name(HashSet ## Name * set,_Key key) { \
+ LinkNode ## Name * oldlinknode; \
+ oldlinknode=get ## Name(set->table, key); \
+ if (oldlinknode==NULL) { \
+ return false; \
+ } \
+ remove ## Name(set->table, key); \
+ \
+ if (oldlinknode->prev==NULL) \
+ set->list=oldlinknode->next; \
+ else \
+ oldlinknode->prev->next=oldlinknode->next; \
+ if (oldlinknode->next!=NULL) \
+ oldlinknode->next->prev=oldlinknode->prev; \
+ else \
+ set->tail=oldlinknode->prev; \
+ ourfree(oldlinknode); \
+ return true; \
+ } \
+ \
+ unsigned int getSize ## Name(HashSet ## Name * set) { \
+ return getSize ## Name (set->table); \
+ } \
+ \
+ bool isEmpty ## Name(HashSet ## Name * set) { \
+ return getSize ## Name(set)==0; \
+ } \
+ \
+ HSIterator ## Name * iterator ## Name(HashSet ## Name * set) { \
+ return allocHSIterator ## Name(set->list, this); \
+ }
#endif
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