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#ifndef _MP3FS_H_
#define _MP3FS_H_
struct fuse_args;
struct collection;
struct mnode;
int mp3_run(int, char **);
void mp3_initscan(char *);
/*
* Data passed to traverse function pointers.'
*/
struct filler_data {
void *buf;
fuse_fill_dir_t filler;
};
/*
* Functions traversing the underlying filesystem and do operations on the
* files, for instance scanning the collection.
*/
typedef void traverse_fn_t(char *, struct collection *);
void traverse_hierarchy(char *, traverse_fn_t, struct collection *);
traverse_fn_t mp3_scan;
/*
* Functions performing queries on the collection.
* Usage:
* To list all artists:
mp3_select(SELECT_ARTIST, NULL, NULL, NULL);
* To list one artist "Haddaway":
mp3_select(SELECT_ARTIST, "Haddaway", NULL, NULL);
* To list unique artists in genre "Rock"
mp3_select(SELECT_ARTIST | SELECT_GENRE, NULL, NULL, "Rock");
* So, one can say that the first parameter specifies which fields should be
* taken into account when comparing for duplicates, and the field parameters
* determines if * there are some fields of that paramters which it must match.
* I hope to improve this soon.
*/
#define SELECT_ARTIST 0x1
#define SELECT_TITLE 0x2
#define SELECT_GENRE 0x4
struct collection *mp3_select(int, char *, char *, char *);
/*
* Use a selection to input a certain tag field into a filler.
*/
/* XXX: no need to use bitmask since we only need one field at a time? */
#define FILTER_ARTIST 0
#define FILTER_GENRE 1
#define FILTER_TITLE 2
void mp3_filter(struct collection *, int, struct filler_data *);
#endif
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