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/* */
/* List object
**
** The list object is a generic container for storing collections
** of things in order.
*/
#ifndef HTLIST_H
#define HTLIST_H
#include "HTUtils.h" /* for BOOL type and PARAMS and ARGS*/
typedef struct _HTList HTList;
struct _HTList {
void * object;
HTList * next;
HTList * last;
};
#ifdef SHORT_NAMES
#define HTList_new HTLiNew
#define HTList_delete HTLiDele
#define HTList_addObject HTLiAdOb
#define HTList_removeObject HTLiReOb
#define HTList_removeLastObject HTLiReLa
#define HTList_removeFirstObject HTLiReFi
#define HTList_count HTLiCoun
#define HTList_indexOf HTLiInOf
#define HTList_objectAt HTLiObAt
#endif
extern HTList * HTList_new NOPARAMS;
extern void HTList_delete PARAMS((HTList *me));
/* Add object to START of list
*/
extern void HTList_addObject PARAMS((HTList *me, void *newObject));
extern void HTList_addObjectAtEnd PARAMS((HTList *me, void *newObject));
extern BOOL HTList_removeObject PARAMS((HTList *me, void *oldObject));
extern void * HTList_removeLastObject PARAMS((HTList *me));
extern void * HTList_removeFirstObject PARAMS((HTList *me));
#define HTList_isEmpty(me) (me ? me->next == NULL : YES)
extern int HTList_count PARAMS((HTList *me));
extern int HTList_indexOf PARAMS((HTList *me, void *object));
#define HTList_lastObject(me) \
(me && me->next ? me->next->object : NULL)
extern void * HTList_objectAt PARAMS((HTList *me, int position));
/* Fast macro to traverse the list. Call it first with copy of list header :
it returns the first object and increments the passed list pointer.
Call it with the same variable until it returns NULL. */
#define HTList_nextObject(me) \
(me && (me = me->next) ? me->object : NULL)
#endif /* HTLIST_H */
/*
*/
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