+/*
+ * This file is part of DisOrder.
+ * Copyright (C) 2004-2008 Richard Kettlewell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+/** @file server/macros-disorder.c
+ * @brief DisOrder-specific expansions
+ */
+
+#include <config.h>
+#include "types.h"
+
+#include "sink.h"
+#include "client.h"
+#include "cgi.h"
+#include "macros-disorder.h"
+
+/** @brief Client to use for DisOrder-specific expansions
+ *
+ * The caller should arrange for this to be created before any of
+ * these expansions are used (if it cannot connect then it's safe to
+ * leave it as NULL).
+ */
+disorder_client *client;
+
+/** @brief Cached data */
+static unsigned flags;
+
+#define DC_QUEUE 0x0001
+#define DC_PLAYING 0x0002
+#define DC_RECENT 0x0004
+#define DC_VOLUME 0x0008
+#define DC_DIRS 0x0010
+#define DC_FILES 0x0020
+#define DC_NEW 0x0040
+#define DC_RIGHTS 0x0080
+
+static struct queue_entry *queue;
+static struct queue_entry *playing;
+static struct queue_entry *recent;
+
+static int volume_left;
+static int volume_right;
+
+static char **files;
+static int nfiles;
+
+static char **dirs;
+static int ndirs;
+
+static char **new;
+static int nnew;
+
+static rights_type rights;
+
+/** @brief Fetch cachable data */
+static void lookup(unsigned want) {
+ unsigned need = want ^ (flags & want);
+ struct queue_entry *r, *rnext;
+ const char *dir, *re;
+ char *rights;
+
+ if(!client || !need)
+ return;
+ if(need & DC_QUEUE)
+ disorder_queue(client, &queue);
+ if(need & DC_PLAYING)
+ disorder_playing(client, &playing);
+ if(need & DC_NEW)
+ disorder_new_tracks(client, &new, &nnew, 0);
+ if(need & DC_RECENT) {
+ /* we need to reverse the order of the list */
+ disorder_recent(client, &r);
+ while(r) {
+ rnext = r->next;
+ r->next = recent;
+ recent = r;
+ r = rnext;
+ }
+ }
+ if(need & DC_VOLUME)
+ disorder_get_volume(client,
+ &volume_left, &volume_right);
+ if(need & (DC_FILES|DC_DIRS)) {
+ if(!(dir = cgi_get("directory")))
+ dir = "";
+ re = cgi_get("regexp");
+ if(need & DC_DIRS)
+ if(disorder_directories(client, dir, re,
+ &dirs, &ndirs))
+ ndirs = 0;
+ if(need & DC_FILES)
+ if(disorder_files(client, dir, re,
+ &files, &nfiles))
+ nfiles = 0;
+ }
+ if(need & DC_RIGHTS) {
+ rights = RIGHT_READ; /* fail-safe */
+ if(!disorder_userinfo(client, disorder_user(client),
+ "rights", &rights))
+ parse_rights(rights, &rights, 1);
+ }
+ flags |= need;
+}
+
+/** @brief Locate a track by ID */
+static struct queue_entry *findtrack(const char *id) {
+ struct queue_entry *q;
+
+ lookups(DC_PLAYING);
+ if(playing && !strcmp(playing->id, id))
+ return playing;
+ lookups(DC_QUEUE);
+ for(q = queue; q; q = q->next)
+ if(!strcmp(q->id, id))
+ return q;
+ lookups(DC_RECENT);
+ for(q = recent; q; q = q->next)
+ if(!strcmp(q->id, id))
+ return q;
+}
+
+/** @brief Return @p i as a string */
+static const char *make_index(int i) {
+ char *s;
+
+ byte_xasprintf(&s, "%d", i);
+ return s;
+}
+
+/* @server-version@
+ *
+ * Expands to the server's version string, or a (safe to use) error
+ * value if the server is unavailable or broken.
+ */
+static int exp_server_version(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ const char *v;
+
+ if(client) {
+ if(disorder_version(client, (char **)&v))
+ v = "(cannot get version)";
+ } else
+ v = "(server not running)";
+ return sink_write(output, cgi_sgmlquote(v)) < 0 ? -1 : 0;
+}
+
+/* @version@
+ *
+ * Expands to the local version string.
+ */
+static int exp_version(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ return sink_write(output,
+ cgi_sgmlquote(disorder_short_version_string)) < 0 ? -1 : 0;
+}
+
+/* @url@
+ *
+ * Expands to the base URL of the web interface.
+ */
+static int exp_url(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ return sink_write(output,
+ cgi_sgmlquote(config->url)) < 0 ? -1 : 0;
+}
+
+/* @arg{NAME}@
+ *
+ * Expands to the CGI argument NAME, or the empty string if there is
+ * no such argument.
+ */
+static int exp_arg(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ const char *s = cgi_get(args[0]);
+ if(s)
+ return sink_write(output,
+ cgi_sgmlquote(s)) < 0 ? -1 : 0;
+ else
+ return 0;
+}
+
+/* @user@
+ *
+ * Expands to the logged-in username (which might be "guest"), or to
+ * the empty string if not connected.
+ */
+static int exp_user(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ const char *u;
+
+ if(client && (u = disorder_user(client)))
+ return sink_write(output, cgi_sgmlquote(u)) < 0 ? -1 : 0;
+ return 0;
+}
+
+/* @part{TRACK|ID}{PART}{CONTEXT}
+ *
+ * Expands to a track name part.
+ *
+ * A track may be identified by name or by queue ID.
+ *
+ * CONTEXT may be omitted. If it is then 'display' is assumed.
+ *
+ * If the CONTEXT is 'short' then the 'display' part is looked up, and the
+ * result truncated according to the length defined by the short_display
+ * configuration directive.
+ */
+static int exp_part(int nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ const char *track = args[0], *part = args[1];
+ const char *context = nargs > 2 ? args[2] : "display";
+ char *s;
+
+ if(track[0] != '/') {
+ struct queue_entry *q = findtrack(track);
+
+ if(q)
+ track = q->track;
+ else
+ return 0;
+ }
+ if(client
+ && !disorder_get(client, &s, track,
+ !strcmp(context, "short") ? "display" : context,
+ part))
+ return sink_write(output, cgi_sgmlquote(s)) < 0 ? -1 : 0;
+ return 0;
+}
+
+/* @quote{STRING}
+ *
+ * SGML-quotes STRING. Note that most expansion results are already suitable
+ * quoted, so this expansion is usually not required.
+ */
+static int exp_quote(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ return sink_write(output, cgi_sgmlquote(args[0])) < 0 ? -1 : 0;
+}
+
+/* @who{ID}
+ *
+ * Expands to the name of the submitter of track ID, which must be a playing
+ * track, in the queue, or in the recent list.
+ */
+static int exp_who(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ struct queue_entry *q = findtrack(args[0]);
+
+ if(q && q->submitter)
+ return sink_write(output, cgi_sgmlquote(q->submitter)) < 0 ? -1 : 0;
+ return 0;
+}
+
+/* @when{ID}
+ *
+ * Expands to the time a track started or is expected to start. The track must
+ * be a playing track, in the queue, or in the recent list.
+ */
+static int exp_when(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ struct queue_entry *q = findtrack(args[0]);
+ const struct tm *w = 0;
+
+ if(q) {
+ switch(q->state) {
+ case playing_isscratch:
+ case playing_unplayed:
+ case playing_random:
+ if(q->expected)
+ w = localtime(&q->expected);
+ break;
+ case playing_failed:
+ case playing_no_player:
+ case playing_ok:
+ case playing_scratched:
+ case playing_started:
+ case playing_paused:
+ case playing_quitting:
+ if(q->played)
+ w = localtime(&q->played);
+ break;
+ }
+ if(w)
+ return sink_printf(output, "%d:%02d", w->tm_hour, w->tm_min) < 0 ? -1 : 0;
+ }
+ return sink_write(output, " ") < 0 ? -1 : 0;
+}
+
+/* @length{ID|TRACK}
+ *
+ * Expands to the length of a track, identified by its queue ID or its name.
+ * If it is the playing track (identified by ID) then the amount played so far
+ * is included.
+ */
+static int exp_length(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ struct queue_entry *q;
+ long length = 0;
+ const char *name;
+
+ if(args[0][0] == '/')
+ /* Track identified by name */
+ name = args[0];
+ else {
+ /* Track identified by queue ID */
+ if(!(q = findtrack(args[0])))
+ return 0;
+ if(q->state == play_start || q->state == playing_paused)
+ if(sink_printf(output, "%ld:%02ld/", q->sofar / 60, q->sofar % 60) < 0)
+ return -1;
+ name = q->track;
+ }
+ if(client && disorder_length(client, name, &length))
+ return sink_printf(output, "%ld:%02ld",
+ length / 60, length % 60) < 0 ? -1 : 0;
+ return sink_write(output, " ") < 0 ? -1 : 0;
+}
+
+/* @removable{ID}@
+ *
+ * Expands to "true" if track ID is removable (or scratchable, if it is the
+ * playing track) and "false" otherwise.
+ */
+static int exp_removable(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ struct queue_entry *q = findtrack(args[0]);
+ /* TODO would be better to reject recent */
+
+ if(!q || !client)
+ return mx_bool_result(output, 0);
+ lookup(DC_RIGHTS);
+ return mx_bool_result(output,
+ (q == playing ? right_scratchable : right_removable)
+ (rights, disorder_user(client), q));
+}
+
+/* @movable{ID}@
+ *
+ * Expands to "true" if track ID is movable and "false" otherwise.
+ */
+static int exp_movable(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ struct queue_entry *q = findtrack(args[0]);
+ /* TODO would be better to recent playing/recent */
+
+ if(!q || !client)
+ return mx_bool_result(output, 0);
+ lookup(DC_RIGHTS);
+ return mx_bool_result(output,
+ right_movable(rights, disorder_user(client), q));
+}
+
+/* @playing{TEMPLATE}
+ *
+ * Expands to TEMPLATE, with:
+ * - @id@ expanded to the queue ID of the playing track
+ * - @track@ expanded to its UNQUOTED name
+ *
+ * If no track is playing expands to nothing.
+ *
+ * TEMPLATE is optional. If it is left out then instead expands to the queue
+ * ID of the playing track.
+ */
+static int exp_playing(int nargs,
+ const struct mx_node **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ lookup(DC_PLAYING);
+ if(!playing)
+ return 0;
+ if(!nargs)
+ return sink_write(output, playing->id) < 0 ? -1 : 0;
+ return mx_rewritel(args[0],
+ "id", playing->id,
+ "track", playing->track,
+ (char *)0);
+}
+
+/* @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
+ */
+static int exp_queue(int attribute((unused)) nargs,
+ const struct mx_node **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ struct queue_entry *q;
+ int rc, i;
+
+ lookup(DC_QUEUE);
+ for(q = queue, i = 0; q; q = q->next, ++i)
+ if((rc = mx_rewritel(args[0],
+ "id", q->id,
+ "track", q->track,
+ "index", make_index(i),
+ "parity", i % 2 ? "odd" : "even",
+ "first", q == queue ? "true" : "false",
+ "last", q->next ? "false" : "true",
+ (char *)0)))
+ return rc;
+ return 0;
+}
+
+/* @recent{TEMPLATE}
+ *
+ * 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
+ */
+static int exp_recent(int attribute((unused)) nargs,
+ const struct mx_node **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ struct queue_entry *q;
+ int rc, i;
+
+ lookup(DC_RECENT);
+ for(q = recent, i = 0; q; q = q->next, ++i)
+ if((rc = mx_rewritel(args[0],
+ "id", q->id,
+ "track", q->track,
+ "index", make_index(i),
+ "parity", i % 2 ? "odd" : "even",
+ "first", q == recent ? "true" : "false",
+ "last", q->next ? "false" : "true",
+ (char *)0)))
+ return rc;
+ return 0;
+}
+
+/* @new{TEMPLATE}
+ *
+ * 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
+ *
+ * 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,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ struct queue_entry *q;
+ int rc, i;
+
+ lookup(DC_NEW);
+ /* TODO perhaps we should generate an ID value for tracks in the new list */
+ for(i = 0; i < nnew; ++i)
+ if((rc = mx_rewritel(args[0],
+ "track", new[i],
+ "index", make_index(i),
+ "parity", i % 2 ? "odd" : "even",
+ "first", i == 0 ? "true" : "false",
+ "last", i == nnew - 1 ? "false" : "true",
+ (char *)0)))
+ return rc;
+ return 0;
+}
+
+/* @volume{CHANNEL}@
+ *
+ * Expands to the volume in a given channel. CHANNEL must be "left" or
+ * "right".
+ */
+static int exp_volume(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ lookup(DC_VOLUME);
+ return sink_write(output, "%d",
+ !strcmp(args[0], "left")
+ ? volume_left : volume_right) < 0 ? -1 : 0;
+}
+
+/* @isplaying@
+ *
+ * Expands to "true" if there is a playing track, otherwise "false".
+ */
+static int exp_isplaying(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ lookup(DC_PLAYING);
+ return mx_bool_result(output, !!playing);
+}
+
+/* @isqueue@
+ *
+ * Expands to "true" if there the queue is nonempty, otherwise "false".
+ */
+static int exp_isqueue(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ lookup(DC_QUEUE);
+ return mx_bool_result(output, !!queue);
+}
+
+/* @isrecent@
+ *
+ * Expands to "true" if there the recently played list is nonempty, otherwise
+ * "false".
+ */
+static int exp_isrecent(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ lookup(DC_RECENT);
+ return mx_bool_result(output, !!recent);
+}
+
+/* @isnew@
+ *
+ * Expands to "true" if there the newly added track list is nonempty, otherwise
+ * "false".
+ */
+static int exp_isnew(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ lookup(DC_NEW);
+ return mx_bool_result(output, !!nnew);
+}
+
+/* @pref{TRACK}{KEY}@
+ *
+ * Expands to a track preference.
+ */
+static int exp_pref(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ char *value;
+
+ if(client && !disorder_get(client, args[0], args[1], &value))
+ return sink_write(output, cgi_sgmlquote(value)) < 0 ? -1 : 0;
+}
+
+/* @prefs{TRACK}{TEMPLATE}@
+ *
+ * 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
+ *
+ * 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,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ int rc, i;
+ struct kvp *k, *head;
+ char *track;
+
+ if((rc = mx_expandstr(args[0], &track, u, "argument #0 (TRACK)")))
+ return rc;
+ if(!client || disorder_prefs(client, track, &head))
+ return 0;
+ for(k = head, i = 0; k; k = k->next, ++i)
+ if((rc = mx_rewritel(args[1],
+ "index", make_index(i),
+ "parity", i % 2 ? "odd" : "even",
+ "name", k->name,
+ "value", k->value,
+ "first", k == head ? "true" : "false",
+ "last", k->next ? "false" : "true",
+ (char *)0)))
+ return rc;
+ return 0;
+}
+
+/* @transform{TRACK}{TYPE}{CONTEXT}@
+ *
+ * Transforms a track name (if TYPE is "track") or directory name (if type is
+ * "dir"). CONTEXT should be the context, if it is left out then "display" is
+ * assumed.
+ */
+static int exp_transform(int nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ const char *t = trackname_transform(args[1], args[0],
+ (nargs > 2 ? args[2] : "display")));
+ return sink_write(output, cgi_sgmlquote(t)) < 0 ? -1 : 0;
+}
+
+/* @enabled@
+ *
+ * Expands to "true" if playing is enabled, otherwise "false".
+ */
+static int exp_enabled(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ int enabled = 0;
+
+ if(client)
+ disorder_enabled(client, &enabled);
+ return mx_bool_result(output, enabled);
+}
+
+/* @random-enabled@
+ *
+ * Expands to "true" if random play is enabled, otherwise "false".
+ */
+static int exp_enabled(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ int enabled = 0;
+
+ if(client)
+ disorder_random_enabled(client, &enabled);
+ return mx_bool_result(output, enabled);
+}
+
+/* @trackstate{TRACK}@
+ *
+ * Expands to "playing" if TRACK is currently playing, or "queue" if it is in
+ * the queue, otherwise to nothing.
+ */
+static int exp_trackstate(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ char *track;
+ struct queue_entry *q;
+
+ if(!client)
+ return 0;
+ if(disorder_resolve(client, &track, args[0]))
+ return 0;
+ lookup(DC_PLAYING);
+ if(playing && !strcmp(track, playing->track))
+ return sink_write(output, "playing") < 0 ? -1 : 0;
+ lookup(DC_QUEUE);
+ for(q = queue; q; q = q->next)
+ if(!strcmp(track, q->track))
+ return sink_write(output, "queued") < 0 ? -1 : 0;
+ return 0;
+}
+
+/* @thisurl@
+ *
+ * Expands to an UNQUOTED URL which points back to the current page. (NB it
+ * might not be byte for byte identical - for instance, CGI arguments might be
+ * re-ordered.)
+ */
+static int exp_thisurl(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ return cgi_thisurl(config->url);
+}
+
+/* @resolve{TRACK}@
+ *
+ * Expands to an UNQUOTED name for the TRACK that is not an alias, or to
+ * nothing if it is not a valid track.
+ */
+static int exp_resolve(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ char *r;
+
+ if(client && !disorder_resolve(client, &r, args[0]))
+ return sink_write(output, r) < 0 ? -1 : 0;
+ return 0;
+}
+
+/* @paused@
+ *
+ * Expands to "true" if the playing track is paused, to "false" if it is
+ * playing (or if there is no playing track at all).
+ */
+static int exp_paused(int attribute((unused)) nargs,
+ char attribute((unused)) **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ lookup(DC_PLAYING);
+ return mx_bool_result(output, playing && playing->state == playing_paused);
+}
+
+/* @state{ID}@
+ *
+ * Expands to the current state of track ID.
+ */
+static int exp_state(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ struct queue_entry *q = findtrack(args[0]);
+
+ if(q)
+ return sink_write(output, playing_states[q->state]) < 0 ? -1 : 0;
+ return 0;
+}
+
+/* @right{RIGHT}{WITH-RIGHT}{WITHOUT-RIGHT}@
+ *
+ * Expands to WITH-RIGHT if the current user has right RIGHT, otherwise to
+ * WITHOUT-RIGHT. The WITHOUT-RIGHT argument may be left out.
+ *
+ * If both WITH-RIGHT and WITHOUT-RIGHT are left out then expands to "true" if
+ * the user has the right and "false" otherwise.
+ *
+ * If there is no connection to the server then expands to nothing (in all
+ * cases).
+ */
+static int exp_right(int nargs,
+ const struct mx_node **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ char *right;
+ rights_type r;
+
+ if(!client)
+ return 0;
+ lookup(DC_RIGHTS);
+ if((rc = mx_expandstr(args[0], &rightname, u, "argument #0 (RIGHT)")))
+ return rc;
+ if(parse_rights(right, &r, 1/*report*/))
+ return 0;
+ /* Single-argument form */
+ if(nargs == 1)
+ return mx_bool_result(output, !!(r & rights));
+ /* Multiple argument form */
+ if(r & rights)
+ return mx_expandl(args[1], (char *)0);
+ if(nargs == 3)
+ return mx_expandl(args[2], (char *)0);
+ return 0;
+}
+
+/* @userinfo{PROPERTY}@
+ *
+ * Expands to the named property of the current user.
+ */
+static int exp_userinfo(int attribute((unused)) nargs,
+ char **args,
+ struct sink *output,
+ void attribute((unused)) *u) {
+ char *v;
+
+ if(client && !disorder_userinfo(client, disorder_user(client), args[0], &v))
+ return sink_write(output, v) < 0 ? -1 : 0;
+ return 0;
+}
+
+/** @brief Register DisOrder-specific expansions */
+void register_disorder_expansions(void) {
+ mx_register(exp_arg, 1, 1, "arg");
+ mx_register(exp_enabled, 0, 0, "enabled");
+ mx_register(exp_isnew, 0, 0, "isnew");
+ mx_register(exp_isplaying, 0, 0, "isplaying");
+ mx_register(exp_isqueue, 0, 0, "isplaying");
+ mx_register(exp_isrecent, 0, 0, "isrecent");
+ mx_register(exp_length, 1, 1, "length");
+ mx_register(exp_movable, 1, 1, "movable");
+ mx_register(exp_part, 2, 3, "part");
+ mx_register(exp_pref, 2, 2, "pref");
+ mx_register(exp_quote, 1, 1, "quote");
+ mx_register(exp_random_enabled, 0, 0, "random-enabled");
+ mx_register(exp_removable, 1, 1, "removable");
+ mx_register(exp_resolve, 1, 1, "resolve");
+ mx_register(exp_right, 1, 3, "right");
+ mx_register(exp_server_version, 0, 0, "server-version");
+ mx_register(exp_state, 1, 1, "state");
+ mx_register(exp_thisurl, 0, 0, "thisurl");
+ mx_register(exp_trackstate, 1, 1, "trackstate");
+ mx_register(exp_transform, 2, 3, "transform");
+ mx_register(exp_url, 0, 0, "url");
+ mx_register(exp_user, 0, 0, "user");
+ mx_register(exp_userinfo, 1, 1, "userinfo");
+ mx_register(exp_version, 0, 0, "version");
+ mx_register(exp_volume, 1, 1, "volume");
+ mx_register(exp_when, 1, 1, "when");
+ mx_register(exp_who, 1, 1, "who");
+ mx_register_magic(exp_new, 1, 1, "new");
+ mx_register_magic(exp_playing, 0, 1, "playing");
+ mx_register_magic(exp_prefs, 2, 2, "prefs");
+ mx_register_magic(exp_queue, 1, 1, "queue");
+ mx_register_magic(exp_recent, 1, 1, "recent");
+}
+
+/*
+Local Variables:
+c-basic-offset:2
+comment-column:40
+fill-column:79
+indent-tabs-mode:nil
+End:
+*/
~mdw / disorder / commitdiff