X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=afs.h;h=a6394fa6b512364e6c4658361687d85a5eb32520;hb=9055c71be97f1095dcdbd83da305b600f204f763;hp=8beca5aefcd0b9d06aed05e915877a2c5104a1a8;hpb=e8d5da94efd6cbb0aa75f57290c76d9992ff8f47;p=paraslash.git diff --git a/afs.h b/afs.h index 8beca5ae..a6394fa6 100644 --- a/afs.h +++ b/afs.h @@ -73,19 +73,15 @@ struct afsi_change_event_data { struct afs_info *old_afsi; }; -/** Function pointers for table handling. */ -struct afs_table { - /** Initializes the other pointers in this struct. */ - void (*init)(struct afs_table *t); - /** The name of this table. */ - const char *name; - /** Gets called on startup and on \p SIGHUP. */ +/** Methods for table startup/shutdown and event handling. */ +struct afs_table_operations { + /** Gets called on startup and on SIGHUP. */ int (*open)(const char *base_dir); - /** Gets called on shutdown and on \p SIGHUP. */ + /** Gets called on shutdown and on SIGHUP. */ void (*close)(void); - /** Called by the \a init afs command. */ + /** Called from the init command. */ int (*create)(const char *); - /** Handles afs events. */ + /** Handle events generated by other tables. See enum \ref afs_events. */ int (*event_handler)(enum afs_events event, struct para_buffer *pb, void *data); }; @@ -233,39 +229,44 @@ int string_compare(const struct osl_object *obj1, const struct osl_object *obj2) int for_each_matching_row(struct pattern_match_data *pmd); /* score */ -void score_init(struct afs_table *t); -int admissible_file_loop(void *data, osl_rbtree_loop_func *func); +extern const struct afs_table_operations score_ops; +int score_loop(osl_rbtree_loop_func *func, void *data); int score_get_best(struct osl_row **aft_row, long *score); int get_score_and_aft_row(struct osl_row *score_row, long *score, struct osl_row **aft_row); int score_add(const struct osl_row *row, long score); int score_update(const struct osl_row *aft_row, long new_score); -int get_num_admissible_files(unsigned *num); int score_delete(const struct osl_row *aft_row); -int clear_score_table(void); -int row_belongs_to_score_table(const struct osl_row *aft_row, unsigned *rank); +void score_clear(void); +bool row_belongs_to_score_table(const struct osl_row *aft_row); /* attribute */ -void attribute_init(struct afs_table *t); +extern const struct afs_table_operations attr_ops; void get_attribute_bitmap(const uint64_t *atts, char *buf); /* needed by com_ls() */ int get_attribute_bitnum_by_name(const char *att_name, unsigned char *bitnum); int get_attribute_text(uint64_t *atts, const char *delim, char **text); int attribute_check_callback(struct afs_callback_arg *aca); /* aft */ -void aft_init(struct afs_table *t); +extern const struct afs_table_operations aft_ops; int aft_get_row_of_path(const char *path, struct osl_row **row); int aft_check_attributes(uint64_t att_mask, struct para_buffer *pb); -int open_and_update_audio_file(struct audio_file_data *afd); +int open_and_update_audio_file(int *fd); int load_afd(int shmid, struct audio_file_data *afd); int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi); int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi); int get_audio_file_path_of_row(const struct osl_row *row, char **path); int audio_file_loop(void *private_data, osl_rbtree_loop_func *func); int aft_check_callback(struct afs_callback_arg *aca); +void free_status_items(void); + +/* mood */ +int mood_load(const char *mood_name, char **msg); +void mood_unload(void); +int mood_check_callback(struct afs_callback_arg *aca); /* playlist */ -int playlist_open(const char *name); -void playlist_close(void); +int playlist_load(const char *name, char **msg); +void playlist_unload(void); int playlist_check_callback(struct afs_callback_arg *aca); /** evaluates to 1 if x < y, to -1 if x > y and to 0 if x == y */ @@ -274,20 +275,22 @@ int playlist_check_callback(struct afs_callback_arg *aca); /** Define exported functions and a table pointer for an osl blob table. */ #define DECLARE_BLOB_SYMBOLS(table_name, cmd_prefix) \ - void table_name ## _init(struct afs_table *t); \ int cmd_prefix ## _get_name_by_id(uint32_t id, char **name); \ int cmd_prefix ## _get_def_by_id(uint32_t id, struct osl_object *def); \ - int cmd_prefix ## _get_def_by_name(char *name, struct osl_object *def); \ + int cmd_prefix ## _get_def_by_name(const char *name, struct osl_object *def); \ int cmd_prefix ## _get_name_and_def_by_row(const struct osl_row *row, \ char **name, struct osl_object *def); \ int table_name ##_event_handler(enum afs_events event, \ struct para_buffer *pb, void *data); \ - extern struct osl_table *table_name ## _table; + extern struct osl_table *table_name ## _table; \ + extern const struct afs_table_operations table_name ## _ops; +/** \cond blob_symbols */ DECLARE_BLOB_SYMBOLS(lyrics, lyr); DECLARE_BLOB_SYMBOLS(images, img); DECLARE_BLOB_SYMBOLS(moods, mood); DECLARE_BLOB_SYMBOLS(playlists, pl); +/** \endcond blob_symbols */ /** The columns of an abstract blob table. */ enum blob_table_columns {