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/* songlist.h - class SongList, which holds a list of songs (collection)
Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Send comments and bug fixes to [email protected]
or to Antonio Larrosa, Rio Arnoya, 10 5B, 29006 Malaga, Spain
***************************************************************************/
#ifndef SONGLIST_H
#define SONGLIST_H
#include <stdio.h>
class SongList
{
protected:
int ntotal;
struct Song
{
int id;
char *name; // complete path and file name
Song *next;
};
Song *list;
Song *last;
Song *active;
Song *it; // Iterator, just a helper variable to make easy (and fast) reading
// all the list
Song *getSongid(int id);
void regenerateid(Song *song,int id);
public:
SongList(void);
SongList(SongList &src); // Copy constructor
~SongList();
int AddSong(const char *song); // Returns the id number assigned to the song
void DelSong(int id);
int NumberOfSongs(void) { return ntotal; };
void setActiveSong(int id);
int getActiveSongID(void) {return ((active!=NULL)? (active->id ):(-1)); };
char *getActiveSongName(void)
{
return ((active!=NULL)? (active->name):((char *)NULL));
};
char *getName(int id); // Returns the name of the song with id id
void previous(void);
int next(void); // returns 1 if evrything is ok, and 0 if it was the last element
// (but leaves active the last element instead of NULL)
void iteratorStart(void);
void iteratorNext(void);
int iteratorAtEnd (void) {return (it==NULL);};
int getIteratorID(void);
char *getIteratorName(void);
void clean(void); // Clean this list
void copy(SongList &src); // Makes this object a copy of src (really copied)
};
#endif
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