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