/* @playing{TEMPLATE}
*
* Expands to TEMPLATE, with:
- * - @id@ expanded to the queue ID of the playing track
- * - @track@ expanded to its UNQUOTED name
+ * - @id expanded to the queue ID of the playing track
+ * - @track expanded to its UNQUOTED name
*
* If no track is playing expands to nothing.
*
/* @queue{TEMPLATE}
*
* For each track in the queue, expands TEMPLATE with the following expansions:
- * - @id@ to the queue ID of the track
- * - @track@ to the UNQUOTED track name
- * - @index@ to the track number from 0
- * - @parity@ to "even" or "odd" alternately
- * - @first@ to "true" on the first track and "false" otherwise
- * - @last@ to "true" on the last track and "false" otherwise
+ * - @id to the queue ID of the track
+ * - @track to the UNQUOTED track name
+ * - @index to the track number from 0
+ * - @parity to "even" or "odd" alternately
+ * - @first to "true" on the first track and "false" otherwise
+ * - @last to "true" on the last track and "false" otherwise
*/
static int exp_queue(int attribute((unused)) nargs,
const struct mx_node **args,
*
* For each track in the recently played list, expands TEMPLATE with the
* following expansions:
- * - @id@ to the queue ID of the track
- * - @track@ to the UNQUOTED track name
- * - @index@ to the track number from 0
- * - @parity@ to "even" or "odd" alternately
- * - @first@ to "true" on the first track and "false" otherwise
- * - @last@ to "true" on the last track and "false" otherwise
+ * - @id to the queue ID of the track
+ * - @track to the UNQUOTED track name
+ * - @index to the track number from 0
+ * - @parity to "even" or "odd" alternately
+ * - @first to "true" on the first track and "false" otherwise
+ * - @last to "true" on the last track and "false" otherwise
*/
static int exp_recent(int attribute((unused)) nargs,
const struct mx_node **args,
*
* For each track in the newly added list, expands TEMPLATE wit the following
* expansions:
- * - @track@ to the UNQUOTED track name
- * - @index@ to the track number from 0
- * - @parity@ to "even" or "odd" alternately
- * - @first@ to "true" on the first track and "false" otherwise
- * - @last@ to "true" on the last track and "false" otherwise
+ * - @track to the UNQUOTED track name
+ * - @index to the track number from 0
+ * - @parity to "even" or "odd" alternately
+ * - @first to "true" on the first track and "false" otherwise
+ * - @last to "true" on the last track and "false" otherwise
*
- * Note that unlike @playing@, @queue@ and @recent@ which are otherwise
- * superficially similar, there is no @id@ sub-expansion here.
+ * Note that unlike @playing, @queue and @recent which are otherwise
+ * superficially similar, there is no @id sub-expansion here.
*/
static int exp_new(int attribute((unused)) nargs,
const struct mx_node **args,
*
* For each track preference of track TRACK, expands TEMPLATE with the
* following expansions:
- * - @name@ to the UNQUOTED preference name
- * - @index@ to the preference number from 0
- * - @value@ to the UNQUOTED preference value
- * - @parity@ to "even" or "odd" alternately
- * - @first@ to "true" on the first preference and "false" otherwise
- * - @last@ to "true" on the last preference and "false" otherwise
+ * - @name to the UNQUOTED preference name
+ * - @index to the preference number from 0
+ * - @value to the UNQUOTED preference value
+ * - @parity to "even" or "odd" alternately
+ * - @first to "true" on the first preference and "false" otherwise
+ * - @last to "true" on the last preference and "false" otherwise
*
- * Use @quote@ to quote preference names and values where necessary; see below.
+ * Use @quote to quote preference names and values where necessary; see below.
*/
static int exp_prefs(int attribute((unused)) nargs,
const struct mx_node **args,
char attribute((unused)) **args,
struct sink *output,
void attribute((unused)) *u) {
- return sink_writes(output, cgi_sgmlquote(dcgi_error_string)) < 0 ? -1 : 0;
+ return sink_writes(output, dcgi_error_string) < 0 ? -1 : 0;
}
/* @image{NAME}
return sink_writes(output, cgi_sgmlquote(url)) < 0 ? -1 : 0;
}
+/** @brief Entry in a list of tracks or directories */
+struct entry {
+ /** @brief Track name */
+ const char *track;
+ /** @brief Sort key */
+ const char *sort;
+ /** @brief Display key */
+ const char *display;
+};
+
+/** @brief Compare two @ref entry objects */
+static int compare_entry(const void *a, const void *b) {
+ const struct entry *ea = a, *eb = b;
+
+ return compare_tracks(ea->sort, eb->sort,
+ ea->display, eb->display,
+ ea->track, eb->track);
+}
+
+/** @brief Implementation of exp_tracks() and exp_dirs() */
+static int exp__files_dirs(int nargs,
+ const struct mx_node **args,
+ struct sink *output,
+ void *u,
+ const char *type,
+ int (*fn)(disorder_client *client,
+ const char *name,
+ const char *re,
+ char ***vecp,
+ int *nvecp)) {
+ char **tracks, *dir, *re;
+ int n, ntracks, rc;
+ const struct mx_node *m;
+ struct entry *e;
+
+ if((rc = mx_expandstr(args[0], &dir, u, "argument #0 (DIR)")))
+ return rc;
+ if(nargs == 3) {
+ if((rc = mx_expandstr(args[1], &re, u, "argument #1 (RE)")))
+ return rc;
+ m = args[2];
+ } else {
+ re = 0;
+ m = args[1];
+ }
+ if(!dcgi_client)
+ return 0;
+ /* Get the list */
+ if(fn(dcgi_client, dir, re, &tracks, &ntracks))
+ return 0;
+ /* Sort it. NB trackname_transform() does not go to the server. */
+ e = xcalloc(ntracks, sizeof *e);
+ for(n = 0; n < ntracks; ++n) {
+ e->track = tracks[n];
+ e[n].track = tracks[n];
+ e[n].sort = trackname_transform(type, tracks[n], "sort");
+ e[n].display = trackname_transform(type, tracks[n], "display");
+ }
+ qsort(e, ntracks, sizeof (struct entry), compare_entry);
+ /* Expand the subsiduary templates */
+ for(n = 0; n < ntracks; ++n)
+ if((rc = mx_expand(mx_rewritel(m,
+ "index", make_index(n),
+ "parity", n % 2 ? "odd" : "even",
+ "track", tracks[n],
+ "first", n == 0 ? "true" : "false",
+ "last", n + 1 == ntracks ? "false" : "true",
+ (char *)0),
+ output, u)))
+ return rc;
+ return 0;
+
+}
+
+/** @tracks{DIR}{RE}{TEMPLATE}
+ *
+ * For each track below DIR, expands TEMPLATE with the
+ * following expansions:
+ * - @track to the UNQUOTED track name
+ * - @index to the track number from 0
+ * - @parity to "even" or "odd" alternately
+ * - @first to "true" on the first track and "false" otherwise
+ * - @last to "true" on the last track and "false" otherwise
+ *
+ * RE is optional and if present is the regexp to match against.
+ */
+static int exp_tracks(int nargs,
+ const struct mx_node **args,
+ struct sink *output,
+ void *u) {
+ return exp__files_dirs(nargs, args, output, u, "track", disorder_files);
+}
+
+/** @dirs{DIR}{RE}{TEMPLATE}
+ *
+ * For each directory below DIR, expands TEMPLATE with the
+ * following expansions:
+ * - @track to the UNQUOTED directory name
+ * - @index to the directory number from 0
+ * - @parity to "even" or "odd" alternately
+ * - @first to "true" on the first directory and "false" otherwise
+ * - @last to "true" on the last directory and "false" otherwise
+ *
+ * RE is optional and if present is the regexp to match against.
+ */
+static int exp_dirs(int nargs,
+ const struct mx_node **args,
+ struct sink *output,
+ void *u) {
+ return exp__files_dirs(nargs, args, output, u, "dir", disorder_directories);
+}
+
/** @brief Register DisOrder-specific expansions */
void dcgi_expansions(void) {
mx_register("arg", 1, 1, exp_arg);
mx_register("volume", 1, 1, exp_volume);
mx_register("when", 1, 1, exp_when);
mx_register("who", 1, 1, exp_who);
+ mx_register_magic("dirs", 2, 3, exp_dirs);
mx_register_magic("new", 1, 1, exp_new);
mx_register_magic("playing", 0, 1, exp_playing);
mx_register_magic("prefs", 2, 2, exp_prefs);
mx_register_magic("queue", 1, 1, exp_queue);
mx_register_magic("recent", 1, 1, exp_recent);
mx_register_magic("right", 1, 3, exp_right);
+ mx_register_magic("tracks", 2, 3, exp_tracks);
}
/*
~mdw / disorder / blobdiff