/** @brief For error template */
char *dcgi_error_string;
-/** @brief Locate a track by ID */
-static struct queue_entry *findtrack(const char *id) {
- struct queue_entry *q;
-
- dcgi_lookup(DCGI_PLAYING);
- if(dcgi_playing && !strcmp(dcgi_playing->id, id))
- return dcgi_playing;
- dcgi_lookup(DCGI_QUEUE);
- for(q = dcgi_queue; q; q = q->next)
- if(!strcmp(q->id, id))
- return q;
- dcgi_lookup(DCGI_RECENT);
- for(q = dcgi_recent; q; q = q->next)
- if(!strcmp(q->id, id))
- return q;
- return NULL;
-}
-
/** @brief Return @p i as a string */
static const char *make_index(int i) {
char *s;
char *s;
if(track[0] != '/') {
- struct queue_entry *q = findtrack(track);
+ struct queue_entry *q = dcgi_findtrack(track);
if(q)
track = q->track;
char **args,
struct sink *output,
void attribute((unused)) *u) {
- struct queue_entry *q = findtrack(args[0]);
+ struct queue_entry *q = dcgi_findtrack(args[0]);
if(q && q->submitter)
return sink_writes(output, cgi_sgmlquote(q->submitter)) < 0 ? -1 : 0;
char **args,
struct sink *output,
void attribute((unused)) *u) {
- struct queue_entry *q = findtrack(args[0]);
+ struct queue_entry *q = dcgi_findtrack(args[0]);
const struct tm *w = 0;
if(q) {
name = args[0];
else {
/* Track identified by queue ID */
- if(!(q = findtrack(args[0])))
+ if(!(q = dcgi_findtrack(args[0])))
return 0;
if(q->state == playing_started || q->state == playing_paused)
if(sink_printf(output, "%ld:%02ld/", q->sofar / 60, q->sofar % 60) < 0)
char **args,
struct sink *output,
void attribute((unused)) *u) {
- struct queue_entry *q = findtrack(args[0]);
+ struct queue_entry *q = dcgi_findtrack(args[0]);
/* TODO would be better to reject recent */
if(!q || !dcgi_client)
(dcgi_rights, disorder_user(dcgi_client), q));
}
-/* @movable{ID}
+/* @movable{ID}{DIR}
*
* Expands to "true" if track ID is movable and "false" otherwise.
+ *
+ * DIR (which is optional) should be a non-zero integer. If it is negative
+ * then the intended move is down (later in the queue), if it is positive then
+ * the intended move is up (earlier in the queue). The first track is not
+ * movable up and the last track not movable down.
*/
-static int exp_movable(int attribute((unused)) nargs,
+static int exp_movable(int nargs,
char **args,
struct sink *output,
void attribute((unused)) *u) {
- struct queue_entry *q = findtrack(args[0]);
+ struct queue_entry *q = dcgi_findtrack(args[0]);
/* TODO would be better to recent playing/recent */
if(!q || !dcgi_client)
return mx_bool_result(output, 0);
+ if(nargs > 1) {
+ const long dir = atoi(args[1]);
+
+ if(dir > 0 && q == dcgi_queue)
+ return mx_bool_result(output, 0);
+ if(dir < 0 && q->next == 0)
+ return mx_bool_result(output, 0);
+ }
dcgi_lookup(DCGI_RIGHTS);
return mx_bool_result(output,
- right_movable(dcgi_rights, disorder_user(dcgi_client), q));
+ right_movable(dcgi_rights,
+ disorder_user(dcgi_client),
+ q));
}
/* @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 **args,
struct sink *output,
void attribute((unused)) *u) {
- struct queue_entry *q = findtrack(args[0]);
+ struct queue_entry *q = dcgi_findtrack(args[0]);
if(q)
return sink_writes(output, playing_states[q->state]) < 0 ? -1 : 0;
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}
+ *
+ * Expands to the URL of the image called NAME.
+ *
+ * Firstly if there is a label called images.NAME then the image stem will be
+ * the value of that label. Otherwise the stem will be NAME.png.
+ *
+ * If the label url.static exists then it will give the base URL for images.
+ * Otherwise the base url will be /disorder/.
+ */
+static int exp_image(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ const char *url, *stem;
+ char *labelname;
+
+ /* Compute the stem */
+ byte_xasprintf(&labelname, "images.%s", args[0]);
+ if(option_label_exists(labelname))
+ stem = option_label(labelname);
+ else
+ byte_xasprintf((char **)&stem, "%s.png", args[0]);
+ /* If the stem looks like it's reasonalby complete, use that */
+ if(stem[0] == '/'
+ || !strncmp(stem, "http:", 5)
+ || !strncmp(stem, "https:", 6))
+ url = stem;
+ else {
+ /* Compute the URL */
+ if(option_label_exists("url.static"))
+ byte_xasprintf((char **)&url, "%s/%s",
+ option_label("url.static"), stem);
+ else
+ /* Default base is /disorder */
+ byte_xasprintf((char **)&url, "/disorder/%s", stem);
+ }
+ 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 */
mx_register("arg", 1, 1, exp_arg);
mx_register("enabled", 0, 0, exp_enabled);
mx_register("error", 0, 0, exp_error);
+ mx_register("image", 1, 1, exp_image);
mx_register("isnew", 0, 0, exp_isnew);
mx_register("isplaying", 0, 0, exp_isplaying);
mx_register("isplaying", 0, 0, exp_isqueue);
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