4 Copyright (C) 2000 Timo Sirainen
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include "irssi-version.h"
33 #include "window-item-def.h"
35 #ifdef HAVE_SYS_UTSNAME_H
36 # include <sys/utsname.h>
39 #define MAX_EXPANDO_SIGNALS 10
45 int signal_ids[MAX_EXPANDO_SIGNALS];
46 int signal_args[MAX_EXPANDO_SIGNALS];
51 static EXPANDO_REC *char_expandos[255];
52 static GHashTable *expandos;
53 static time_t client_start_time;
54 static char *last_sent_msg, *last_sent_msg_body;
55 static char *last_privmsg_from, *last_public_from;
56 static char *sysname, *sysrelease, *sysarch;
58 static const char *timestamp_format;
59 static int timestamp_seconds;
60 static time_t last_timestamp;
62 #define CHAR_EXPANDO(chr) \
63 (char_expandos[(int) (unsigned char) chr])
65 /* Create expando - overrides any existing ones. */
66 void expando_create(const char *key, EXPANDO_FUNC func, ...)
72 g_return_if_fail(key != NULL || *key == '\0');
73 g_return_if_fail(func != NULL);
76 rec = g_hash_table_lookup(expandos, key);
78 /* single character expando */
79 rec = CHAR_EXPANDO(*key);
85 rec = g_new0(EXPANDO_REC, 1);
87 g_hash_table_insert(expandos, g_strdup(key), rec);
89 char_expandos[(int) (unsigned char) *key] = rec;
95 while ((signal = (const char *) va_arg(va, const char *)) != NULL)
96 expando_add_signal(key, signal, (int) va_arg(va, int));
100 static EXPANDO_REC *expando_find(const char *key)
103 return g_hash_table_lookup(expandos, key);
105 return CHAR_EXPANDO(*key);
108 /* Add new signal to expando */
109 void expando_add_signal(const char *key, const char *signal, ExpandoArg arg)
113 g_return_if_fail(key != NULL);
114 g_return_if_fail(signal != NULL);
116 rec = expando_find(key);
117 g_return_if_fail(rec != NULL);
119 if (arg == EXPANDO_NEVER) {
120 /* expando changes never */
122 } else if (rec->signals < MAX_EXPANDO_SIGNALS) {
123 g_return_if_fail(rec->signals != -1);
125 rec->signal_ids[rec->signals] = signal_get_uniq_id(signal);
126 rec->signal_args[rec->signals] = arg;
131 /* Destroy expando */
132 void expando_destroy(const char *key, EXPANDO_FUNC func)
137 g_return_if_fail(key != NULL || *key == '\0');
138 g_return_if_fail(func != NULL);
140 if (key[1] == '\0') {
141 /* single character expando */
142 rec = CHAR_EXPANDO(*key);
143 if (rec != NULL && rec->func == func) {
144 char_expandos[(int) (unsigned char) *key] = NULL;
147 } else if (g_hash_table_lookup_extended(expandos, key, &origkey,
148 (gpointer *) &rec)) {
149 if (rec->func == func) {
150 g_hash_table_remove(expandos, key);
157 void expando_bind(const char *key, int funccount, SIGNAL_FUNC *funcs)
163 g_return_if_fail(key != NULL);
164 g_return_if_fail(funccount >= 1);
165 g_return_if_fail(funcs != NULL);
166 g_return_if_fail(funcs[0] != NULL);
168 rec = expando_find(key);
169 g_return_if_fail(rec != NULL);
171 if (rec->signals == 0) {
172 /* it's unknown when this expando changes..
173 check it once in a second */
174 signal_add("expando timer", funcs[EXPANDO_ARG_NONE]);
177 for (n = 0; n < rec->signals; n++) {
178 arg = rec->signal_args[n];
179 func = arg < funccount ? funcs[arg] : NULL;
180 if (func == NULL) func = funcs[EXPANDO_ARG_NONE];
182 signal_add_full_id(MODULE_NAME, SIGNAL_PRIORITY_DEFAULT,
183 rec->signal_ids[n], func, NULL);
187 void expando_unbind(const char *key, int funccount, SIGNAL_FUNC *funcs)
193 g_return_if_fail(key != NULL);
194 g_return_if_fail(funccount >= 1);
195 g_return_if_fail(funcs != NULL);
196 g_return_if_fail(funcs[0] != NULL);
198 rec = expando_find(key);
199 g_return_if_fail(rec != NULL);
201 if (rec->signals == 0) {
202 /* it's unknown when this expando changes..
203 check it once in a second */
204 signal_remove("expando timer", funcs[EXPANDO_ARG_NONE]);
207 for (n = 0; n < rec->signals; n++) {
208 arg = rec->signal_args[n];
209 func = arg < funccount ? funcs[arg] : NULL;
210 if (func == NULL) func = funcs[EXPANDO_ARG_NONE];
212 signal_remove_id(rec->signal_ids[n], func, NULL);
216 /* Returns [<signal id>, EXPANDO_ARG_xxx, <signal id>, ..., -1] */
217 int *expando_get_signals(const char *key)
223 g_return_val_if_fail(key != NULL, NULL);
225 rec = expando_find(key);
226 if (rec == NULL || rec->signals < 0)
229 if (rec->signals == 0) {
230 /* it's unknown when this expando changes..
231 check it once in a second */
232 signals = g_new(int, 3);
233 signals[0] = signal_get_uniq_id("expando timer");
234 signals[1] = EXPANDO_ARG_NONE;
239 signals = g_new(int, rec->signals*2+1);
240 for (n = 0; n < rec->signals; n++) {
241 signals[n*2] = rec->signal_ids[n];
242 signals[n*2+1] = rec->signal_args[n];
244 signals[rec->signals*2] = -1;
248 EXPANDO_FUNC expando_find_char(char chr)
250 return CHAR_EXPANDO(chr) == NULL ? NULL :
251 CHAR_EXPANDO(chr)->func;
254 EXPANDO_FUNC expando_find_long(const char *key)
256 EXPANDO_REC *rec = g_hash_table_lookup(expandos, key);
257 return rec == NULL ? NULL : rec->func;
260 /* last person who sent you a MSG */
261 static char *expando_lastmsg(SERVER_REC *server, void *item, int *free_ret)
263 return last_privmsg_from;
266 /* last person to whom you sent a MSG */
267 static char *expando_lastmymsg(SERVER_REC *server, void *item, int *free_ret)
269 return last_sent_msg;
272 /* last person to send a public message to a channel you are on */
273 static char *expando_lastpublic(SERVER_REC *server, void *item, int *free_ret)
275 return last_public_from;
278 /* text of your AWAY message, if any */
279 static char *expando_awaymsg(SERVER_REC *server, void *item, int *free_ret)
281 return server == NULL ? "" : server->away_reason;
284 /* body of last MSG you sent */
285 static char *expando_lastmymsg_body(SERVER_REC *server, void *item, int *free_ret)
287 return last_sent_msg_body;
290 /* current channel */
291 static char *expando_channel(SERVER_REC *server, void *item, int *free_ret)
293 return !IS_CHANNEL(item) ? NULL : CHANNEL(item)->name;
296 /* time client was started, $time() format */
297 static char *expando_clientstarted(SERVER_REC *server, void *item, int *free_ret)
300 return g_strdup_printf("%ld", (long) client_start_time);
303 /* channel you were last INVITEd to */
304 static char *expando_last_invite(SERVER_REC *server, void *item, int *free_ret)
306 return server == NULL ? "" : server->last_invite;
309 /* client version text string */
310 static char *expando_version(SERVER_REC *server, void *item, int *free_ret)
312 return IRSSI_VERSION;
315 /* current value of CMDCHARS */
316 static char *expando_cmdchars(SERVER_REC *server, void *item, int *free_ret)
318 return (char *) settings_get_str("cmdchars");
321 /* modes of current channel, if any */
322 static char *expando_chanmode(SERVER_REC *server, void *item, int *free_ret)
324 return !IS_CHANNEL(item) ? NULL : CHANNEL(item)->mode;
327 /* current nickname */
328 static char *expando_nick(SERVER_REC *server, void *item, int *free_ret)
330 return server == NULL ? "" : server->nick;
333 /* value of STATUS_OPER if you are an irc operator */
334 static char *expando_statusoper(SERVER_REC *server, void *item, int *free_ret)
336 return server == NULL || !server->server_operator ? "" :
337 (char *) settings_get_str("STATUS_OPER");
340 /* if you are a channel operator in $C, expands to a '@' */
341 static char *expando_chanop(SERVER_REC *server, void *item, int *free_ret)
343 return IS_CHANNEL(item) && CHANNEL(item)->chanop ? "@" : "";
346 /* nickname of whomever you are QUERYing */
347 static char *expando_query(SERVER_REC *server, void *item, int *free_ret)
349 return !IS_QUERY(item) ? "" : QUERY(item)->name;
352 /* version of current server */
353 static char *expando_serverversion(SERVER_REC *server, void *item, int *free_ret)
355 return server == NULL ? "" : server->version;
358 /* target of current input (channel or QUERY nickname) */
359 static char *expando_target(SERVER_REC *server, void *item, int *free_ret)
361 return item == NULL ? "" : ((WI_ITEM_REC *) item)->name;
364 /* client release date (in YYYYMMDD format) */
365 static char *expando_releasedate(SERVER_REC *server, void *item, int *free_ret)
368 return g_strdup_printf("%d", IRSSI_VERSION_DATE);
371 /* client release time (in HHMM format) */
372 static char *expando_releasetime(SERVER_REC *server, void *item, int *free_ret)
375 return g_strdup_printf("%04d", IRSSI_VERSION_TIME);
378 /* current working directory */
379 static char *expando_workdir(SERVER_REC *server, void *item, int *free_ret)
382 return g_get_current_dir();
385 /* value of REALNAME */
386 static char *expando_realname(SERVER_REC *server, void *item, int *free_ret)
388 return server == NULL ? "" : server->connrec->realname;
391 /* time of day (hh:mm) */
392 static char *expando_time(SERVER_REC *server, void *item, int *free_ret)
399 tm = localtime(&now);
401 if (strftime(str, sizeof(str), timestamp_format, tm) == 0)
405 return g_strdup(str);
409 static char *expando_dollar(SERVER_REC *server, void *item, int *free_ret)
415 static char *expando_sysname(SERVER_REC *server, void *item, int *free_ret)
421 static char *expando_sysrelease(SERVER_REC *server, void *item, int *free_ret)
426 /* system architecture */
427 static char *expando_sysarch(SERVER_REC *server, void *item, int *free_ret)
432 /* Topic of active channel (or address of queried nick) */
433 static char *expando_topic(SERVER_REC *server, void *item, int *free_ret)
435 if (IS_CHANNEL(item))
436 return CHANNEL(item)->topic;
437 if (IS_QUERY(item)) {
438 QUERY_REC *query = QUERY(item);
440 if (query->server_tag == NULL)
444 return query->address == NULL ?
445 g_strdup_printf("(%s)", query->server_tag) :
446 g_strdup_printf("%s (%s)", query->address,
453 static char *expando_servertag(SERVER_REC *server, void *item, int *free_ret)
455 return server == NULL ? "" : server->tag;
459 static char *expando_chatnet(SERVER_REC *server, void *item, int *free_ret)
461 return server == NULL ? "" : server->connrec->chatnet;
464 static void sig_message_public(SERVER_REC *server, const char *msg,
465 const char *nick, const char *address,
468 g_free_not_null(last_public_from);
469 last_public_from = g_strdup(nick);
472 static void sig_message_private(SERVER_REC *server, const char *msg,
473 const char *nick, const char *address)
475 g_free_not_null(last_privmsg_from);
476 last_privmsg_from = g_strdup(nick);
479 static void sig_message_own_private(SERVER_REC *server, const char *msg,
480 const char *target, const char *origtarget)
482 g_return_if_fail(server != NULL);
483 g_return_if_fail(msg != NULL);
485 if (target != NULL) {
486 if (target != last_sent_msg) {
487 g_free_not_null(last_sent_msg);
488 last_sent_msg = g_strdup(target);
490 g_free_not_null(last_sent_msg_body);
491 last_sent_msg_body = g_strdup(msg);
495 static int sig_timer(void)
501 signal_emit("expando timer", 0);
503 /* check if $Z has changed */
505 if (last_timestamp != now) {
506 if (!timestamp_seconds && last_timestamp != 0) {
507 /* assume it changes every minute */
508 tm = localtime(&last_timestamp);
509 last_min = tm->tm_min;
511 tm = localtime(&now);
512 if (tm->tm_min == last_min)
516 signal_emit("time changed", 0);
517 last_timestamp = now;
523 static void read_settings(void)
525 timestamp_format = settings_get_str("timestamp_format");
527 strstr(timestamp_format, "%r") != NULL ||
528 strstr(timestamp_format, "%s") != NULL ||
529 strstr(timestamp_format, "%S") != NULL ||
530 strstr(timestamp_format, "%X") != NULL ||
531 strstr(timestamp_format, "%T") != NULL;
535 void expandos_init(void)
537 #ifdef HAVE_SYS_UTSNAME_H
540 settings_add_str("misc", "STATUS_OPER", "*");
541 settings_add_str("misc", "timestamp_format", "%H:%M");
543 client_start_time = time(NULL);
544 last_sent_msg = NULL; last_sent_msg_body = NULL;
545 last_privmsg_from = NULL; last_public_from = NULL;
548 sysname = sysrelease = sysarch = NULL;
549 #ifdef HAVE_SYS_UTSNAME_H
550 if (uname(&un) >= 0) {
551 sysname = g_strdup(un.sysname);
552 sysrelease = g_strdup(un.release);
553 sysarch = g_strdup(un.machine);
557 memset(char_expandos, 0, sizeof(char_expandos));
558 expandos = g_hash_table_new((GHashFunc) g_str_hash,
559 (GCompareFunc) g_str_equal);
561 expando_create(",", expando_lastmsg,
562 "message private", EXPANDO_ARG_SERVER, NULL);
563 expando_create(".", expando_lastmymsg,
564 "command msg", EXPANDO_ARG_NONE, NULL);
565 expando_create(";", expando_lastpublic,
566 "message public", EXPANDO_ARG_SERVER, NULL);
567 expando_create("A", expando_awaymsg,
568 "away mode changed", EXPANDO_ARG_NONE, NULL);
569 expando_create("B", expando_lastmymsg_body,
570 "command msg", EXPANDO_ARG_NONE, NULL);
571 expando_create("C", expando_channel,
572 "window changed", EXPANDO_ARG_NONE,
573 "window item changed", EXPANDO_ARG_WINDOW, NULL);
574 expando_create("F", expando_clientstarted,
575 "", EXPANDO_NEVER, NULL);
576 expando_create("I", expando_last_invite, NULL);
577 expando_create("J", expando_version,
578 "", EXPANDO_NEVER, NULL);
579 expando_create("K", expando_cmdchars,
580 "setup changed", EXPANDO_ARG_NONE, NULL);
581 expando_create("M", expando_chanmode,
582 "window changed", EXPANDO_ARG_NONE,
583 "window item changed", EXPANDO_ARG_WINDOW,
584 "channel mode changed", EXPANDO_ARG_WINDOW_ITEM, NULL);
585 expando_create("N", expando_nick,
586 "window changed", EXPANDO_ARG_NONE,
587 "window server changed", EXPANDO_ARG_WINDOW,
588 "server nick changed", EXPANDO_ARG_SERVER, NULL);
589 expando_create("O", expando_statusoper,
590 "setup changed", EXPANDO_ARG_NONE,
591 "window changed", EXPANDO_ARG_NONE,
592 "window server changed", EXPANDO_ARG_WINDOW,
593 "user mode changed", EXPANDO_ARG_WINDOW, NULL);
594 expando_create("P", expando_chanop,
595 "window changed", EXPANDO_ARG_NONE,
596 "window item changed", EXPANDO_ARG_WINDOW,
597 "nick mode changed", EXPANDO_ARG_WINDOW_ITEM, NULL);
598 expando_create("Q", expando_query,
599 "window changed", EXPANDO_ARG_NONE,
600 "window item changed", EXPANDO_ARG_WINDOW, NULL);
601 expando_create("R", expando_serverversion,
602 "window changed", EXPANDO_ARG_NONE,
603 "window server changed", EXPANDO_ARG_WINDOW, NULL);
604 expando_create("T", expando_target,
605 "window changed", EXPANDO_ARG_NONE,
606 "window item changed", EXPANDO_ARG_WINDOW, NULL);
607 expando_create("V", expando_releasedate,
608 "", EXPANDO_NEVER, NULL);
609 expando_create("versiontime", expando_releasetime,
610 "", EXPANDO_NEVER, NULL);
611 expando_create("W", expando_workdir, NULL);
612 expando_create("Y", expando_realname,
613 "window changed", EXPANDO_ARG_NONE,
614 "window server changed", EXPANDO_ARG_WINDOW, NULL);
615 expando_create("Z", expando_time,
616 "time changed", EXPANDO_ARG_NONE, NULL);
617 expando_create("$", expando_dollar,
618 "", EXPANDO_NEVER, NULL);
620 expando_create("sysname", expando_sysname,
621 "", EXPANDO_NEVER, NULL);
622 expando_create("sysrelease", expando_sysrelease,
623 "", EXPANDO_NEVER, NULL);
624 expando_create("sysarch", expando_sysarch,
625 "", EXPANDO_NEVER, NULL);
626 expando_create("topic", expando_topic,
627 "window changed", EXPANDO_ARG_NONE,
628 "window item changed", EXPANDO_ARG_WINDOW,
629 "channel topic changed", EXPANDO_ARG_WINDOW_ITEM,
630 "query address changed", EXPANDO_ARG_WINDOW_ITEM, NULL);
631 expando_create("tag", expando_servertag,
632 "window changed", EXPANDO_ARG_NONE,
633 "window server changed", EXPANDO_ARG_WINDOW, NULL);
634 expando_create("chatnet", expando_chatnet,
635 "window changed", EXPANDO_ARG_NONE,
636 "window server changed", EXPANDO_ARG_WINDOW, NULL);
640 timer_tag = g_timeout_add(500, (GSourceFunc) sig_timer, NULL);
641 signal_add("message public", (SIGNAL_FUNC) sig_message_public);
642 signal_add("message private", (SIGNAL_FUNC) sig_message_private);
643 signal_add("message own_private", (SIGNAL_FUNC) sig_message_own_private);
644 signal_add_first("setup changed", (SIGNAL_FUNC) read_settings);
647 void expandos_deinit(void)
651 for (n = 0; n < sizeof(char_expandos)/sizeof(char_expandos[0]); n++)
652 g_free_not_null(char_expandos[n]);
654 expando_destroy("sysname", expando_sysname);
655 expando_destroy("sysrelease", expando_sysrelease);
656 expando_destroy("sysarch", expando_sysarch);
657 expando_destroy("topic", expando_topic);
658 expando_destroy("tag", expando_servertag);
659 expando_destroy("chatnet", expando_chatnet);
661 g_hash_table_destroy(expandos);
663 g_free_not_null(last_sent_msg); g_free_not_null(last_sent_msg_body);
664 g_free_not_null(last_privmsg_from); g_free_not_null(last_public_from);
665 g_free_not_null(sysname); g_free_not_null(sysrelease);
666 g_free_not_null(sysarch);
668 g_source_remove(timer_tag);
669 signal_remove("message public", (SIGNAL_FUNC) sig_message_public);
670 signal_remove("message private", (SIGNAL_FUNC) sig_message_private);
671 signal_remove("message own_private", (SIGNAL_FUNC) sig_message_own_private);
672 signal_remove("setup changed", (SIGNAL_FUNC) read_settings);