office-gobmx/psprint/source/fontsubset/list.h

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/* $Id: list.h,v 1.3 2008-04-11 10:15:17 rt Exp $ */

/*[]---------------------------------------------------[]*/
/*|                                                     |*/
/*|  Implementation of the list data type               |*/
/*|                                                     |*/
/*|                                                     |*/
/*|  Author: Alexander Gelfenbain                       |*/
/*[]---------------------------------------------------[]*/

#ifndef __CLIST_H
#define __CLIST_H

#ifdef __cplusplus
extern "C"
{
#endif

/*
 * List of void * pointers
 */

    typedef struct _list *list;

/*- constructors and a destructor */
    list listNewEmpty(void);
    list listNewCopy(list);
    void listDispose(list);
    void listSetElementDtor(list, void (*f)(void *));                     /*- this function will be executed when the element is removed via listRemove() or listClear() */

/*- assignment */
    list listCopy(list to, list from);

/*- queries */
    void * listCurrent(list);
    int    listCount(list);
    int    listIsEmpty(list);
    int    listAtFirst(list);
    int    listAtLast(list);
    int    listPosition(list);                        /* Expensive! */

/*- search */
    int    listFind(list, void *);                    /* Returns true/false */

/*- positioning functions */
/*- return the number of elements by which the current position in the list changes */
    int    listNext(list);
    int    listPrev(list);
    int    listSkipForward(list, int n);
    int    listSkipBackward(list, int n);
    int    listToFirst(list);
    int    listToLast(list);
    int    listPositionAt(list, int n);               /* Expensive! */

/*- adding and removing elements */
    list   listAppend(list, void *);
    list   listPrepend(list, void *);
    list   listInsertAfter(list, void *);
    list   listInsertBefore(list, void *);
    list   listRemove(list);                          /* removes the current element */
    list   listClear(list);                           /* removes all elements */

/*- forall */
    void   listForAll(list, void (*f)(void *));

/*- conversion */
    void **listToArray(list);

#ifdef __cplusplus
}
#endif


#endif /* __CLIST_H */