From: Andre Noll Date: Thu, 25 Oct 2007 17:28:34 +0000 (+0200) Subject: afs.h: Add doxygen comments for enum afs_events and struct afs_table. X-Git-Tag: v0.3.0~206 X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=79abdfa1a2408afcde31df501fceaf4e9d222103;hp=e5e8648e4e4bd1edb1823dc932c96a7a271b27a4;ds=sidebyside afs.h: Add doxygen comments for enum afs_events and struct afs_table. --- diff --git a/afs.h b/afs.h index b5e9d56b..aecf627d 100644 --- a/afs.h +++ b/afs.h @@ -4,7 +4,7 @@ * Licensed under the GPL v2. For licencing details see COPYING. */ -/** \file afs.h Exported symbos of the audio file selector. */ +/** \file afs.h Exported symbols of the audio file selector. */ #include #include "osl.h" @@ -26,19 +26,37 @@ struct afs_info { uint8_t audio_format_id; }; +/** + * Events caused by changes to an afs table. + * + * Whenever an afs table changes, an event is generated which causes afs to + * call the event handlers of all other tables. For example, if an audio file + * is added, the event handler of the mood table checks the new file for + * admissibility. + */ enum afs_events { + /** An attribute was added. */ ATTRIBUTE_ADD, + /** An attribute was renamed. */ ATTRIBUTE_RENAME, + /** An attribute was removed. */ ATTRIBUTE_REMOVE, + /** The afs info struct of an audio file changed. */ AFSI_CHANGE, + /** The afh info struct of an audio file changed. */ AFHI_CHANGE, + /** An audio file was renamed. */ AUDIO_FILE_RENAME, + /** An audio file was added. */ AUDIO_FILE_ADD, + /** An audio file is about to be removed. */ AUDIO_FILE_REMOVE, + /** A new blob was added. */ BLOB_ADD, + /** A blob was renamed. */ BLOB_RENAME, + /** A blob is about to be removed. */ BLOB_REMOVE, - }; struct rmatt_event_data { @@ -57,12 +75,19 @@ 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. */ int (*open)(const char *base_dir); + /** Gets called on shutdown and on \p SIGHUP. */ void (*close)(void); + /** Called by the \a init afs command. */ int (*create)(const char *); + /** Handles afs events. */ int (*event_handler)(enum afs_events event, struct para_buffer *pb, void *data); /* int *(check)() */ @@ -186,6 +211,7 @@ int playlist_check_callback(__a_unused const struct osl_object *query, #define NUM_COMPARE(x, y) ((int)((x) < (y)) - (int)((x) > (y))) +/** 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); \ @@ -214,6 +240,7 @@ enum blob_table_columns { NUM_BLOB_COLUMNS }; +/** Define an osl table decription for a blob table. */ #define DEFINE_BLOB_TABLE_DESC(table_name) \ struct osl_table_description table_name ## _table_desc = { \ .name = #table_name, \ @@ -222,8 +249,10 @@ enum blob_table_columns { .column_descriptions = blob_cols \ }; +/** Define a pointer to an osl blob table with a canonical name. */ #define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table; +/** Define a blob table. */ #define INIT_BLOB_TABLE(table_name) \ DEFINE_BLOB_TABLE_DESC(table_name); \ DEFINE_BLOB_TABLE_PTR(table_name);