4 Copyright (C) 1999-2001 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 "perl-core.h"
29 #include "perl-common.h"
30 #include "perl-signals.h"
33 PERL_SCRIPT_REC *script;
43 } PERL_SIGNAL_ARGS_REC;
45 #include "perl-signals-list.h"
47 static GHashTable *signals;
48 static GHashTable *perl_signal_args_hash;
49 static GSList *perl_signal_args_partial;
51 static PERL_SIGNAL_ARGS_REC *perl_signal_args_find(int signal_id)
53 PERL_SIGNAL_ARGS_REC *rec;
57 rec = g_hash_table_lookup(perl_signal_args_hash,
58 GINT_TO_POINTER(signal_id));
59 if (rec != NULL) return rec;
61 /* try to find by name */
62 signame = signal_get_id_str(signal_id);
63 for (tmp = perl_signal_args_partial; tmp != NULL; tmp = tmp->next) {
66 if (strncmp(rec->signal, signame, strlen(rec->signal)) == 0)
73 static void perl_call_signal(PERL_SCRIPT_REC *script, SV *func,
74 int signal_id, gconstpointer *args)
78 PERL_SIGNAL_ARGS_REC *rec;
79 SV *sv, *perlarg, *saved_args[SIGNAL_MAX_ARGUMENTS];
90 /* push signal argument to perl stack */
91 rec = perl_signal_args_find(signal_id);
93 memset(saved_args, 0, sizeof(saved_args));
94 for (n = 0; n < SIGNAL_MAX_ARGUMENTS &&
95 rec != NULL && rec->args[n] != NULL; n++) {
96 arg = (void *) args[n];
98 if (strcmp(rec->args[n], "string") == 0)
99 perlarg = new_pv(arg);
100 else if (strcmp(rec->args[n], "int") == 0)
101 perlarg = newSViv((IV)arg);
102 else if (strcmp(rec->args[n], "ulongptr") == 0)
103 perlarg = newSViv(*(unsigned long *) arg);
104 else if (strcmp(rec->args[n], "intptr") == 0)
105 saved_args[n] = perlarg = newRV_noinc(newSViv(*(int *) arg));
106 else if (strncmp(rec->args[n], "glistptr_", 9) == 0) {
107 /* pointer to linked list - push as AV */
109 int is_iobject, is_str;
111 is_iobject = strcmp(rec->args[n]+9, "iobject") == 0;
112 is_str = strcmp(rec->args[n]+9, "char*") == 0;
116 for (tmp = *ptr; tmp != NULL; tmp = tmp->next) {
117 sv = is_iobject ? iobject_bless((SERVER_REC *) tmp->data) :
118 is_str ? new_pv(tmp->data) :
119 irssi_bless_plain(rec->args[n]+9, tmp->data);
123 saved_args[n] = perlarg = newRV_noinc((SV *) av);
124 } else if (strncmp(rec->args[n], "gslist_", 7) == 0) {
125 /* linked list - push as AV */
129 is_iobject = strcmp(rec->args[n]+7, "iobject") == 0;
131 for (tmp = arg; tmp != NULL; tmp = tmp->next) {
132 sv = is_iobject ? iobject_bless((SERVER_REC *) tmp->data) :
133 irssi_bless_plain(rec->args[n]+7, tmp->data);
137 perlarg = newRV_noinc((SV *) av);
138 } else if (arg == NULL) {
139 /* don't bless NULL arguments */
140 perlarg = newSViv(0);
141 } else if (strcmp(rec->args[n], "iobject") == 0) {
142 /* "irssi object" - any struct that has
143 "int type; int chat_type" as it's first
144 variables (server, channel, ..) */
145 perlarg = iobject_bless((SERVER_REC *) arg);
146 } else if (strcmp(rec->args[n], "siobject") == 0) {
147 /* "simple irssi object" - any struct that has
148 int type; as it's first variable (dcc) */
149 perlarg = simple_iobject_bless((SERVER_REC *) arg);
152 perlarg = plain_bless(arg, rec->args[n]);
154 XPUSHs(sv_2mortal(perlarg));
158 perl_call_sv(func, G_EVAL|G_DISCARD);
162 char *error = g_strdup(SvPV(ERRSV, PL_na));
163 signal_emit("script error", 2, script, error);
168 /* restore arguments the perl script modified */
169 for (n = 0; n < SIGNAL_MAX_ARGUMENTS &&
170 rec != NULL && rec->args[n] != NULL; n++) {
171 arg = (void *) args[n];
173 if (saved_args[n] == NULL)
176 if (strcmp(rec->args[n], "intptr") == 0) {
178 *val = SvIV(SvRV(saved_args[n]));
179 } else if (strncmp(rec->args[n], "glistptr_", 9) == 0) {
186 av = (AV *) SvRV(saved_args[n]);
188 while (count-- >= 0) {
191 val = g_strdup(SvPV(sv, len));
193 val = GINT_TO_POINTER(SvIV(sv));
195 out = g_list_append(out, val);
198 if (strcmp(rec->args[n]+9, "char*") == 0)
199 g_list_foreach(*ret, (GFunc) g_free, NULL);
210 static void sig_func(const void *p1, const void *p2,
211 const void *p3, const void *p4,
212 const void *p5, const void *p6)
214 PERL_SIGNAL_REC *rec;
217 args[0] = p1; args[1] = p2; args[2] = p3;
218 args[3] = p4; args[4] = p5; args[5] = p6;
220 rec = signal_get_user_data();
221 perl_call_signal(rec->script, rec->func, signal_get_emitted_id(), args);
224 static void perl_signal_add_full_int(const char *signal, SV *func,
225 int priority, int command,
226 const char *category)
228 PERL_SCRIPT_REC *script;
229 PERL_SIGNAL_REC *rec;
233 g_return_if_fail(signal != NULL);
234 g_return_if_fail(func != NULL);
236 script = perl_script_find_package(perl_get_package());
237 g_return_if_fail(script != NULL);
239 rec = g_new(PERL_SIGNAL_REC, 1);
240 rec->script = script;
241 rec->signal_id = signal_get_uniq_id(signal);
242 rec->signal = g_strdup(signal);
243 rec->func = perl_func_sv_inc(func, perl_get_package());
245 if (command || strncmp(signal, "command ", 8) == 0) {
246 /* we used Irssi::signal_add() instead of
247 Irssi::command_bind() - oh well, allow this.. */
248 command_bind_full(MODULE_NAME, priority, signal+8, -1,
249 category, sig_func, rec);
251 signal_add_full_id(MODULE_NAME, priority, rec->signal_id,
255 signal_idp = GINT_TO_POINTER(rec->signal_id);
256 siglist = g_hash_table_lookup(signals, signal_idp);
257 if (siglist == NULL) {
258 siglist = g_new0(GSList *, 1);
259 g_hash_table_insert(signals, signal_idp, siglist);
262 *siglist = g_slist_append(*siglist, rec);
265 void perl_signal_add_full(const char *signal, SV *func, int priority)
267 perl_signal_add_full_int(signal, func, priority, FALSE, NULL);
270 static void perl_signal_destroy(PERL_SIGNAL_REC *rec)
272 if (strncmp(rec->signal, "command ", 8) == 0)
273 command_unbind_full(rec->signal+8, sig_func, rec);
275 signal_remove_id(rec->signal_id, sig_func, rec);
277 SvREFCNT_dec(rec->func);
282 static void perl_signal_remove_list_one(GSList **siglist, PERL_SIGNAL_REC *rec)
284 *siglist = g_slist_remove(*siglist, rec);
285 if (*siglist == NULL) {
287 g_hash_table_remove(signals, GINT_TO_POINTER(rec->signal_id));
290 perl_signal_destroy(rec);
293 #define sv_func_cmp(f1, f2, len) \
294 (f1 == f2 || (SvPOK(f1) && SvPOK(f2) && \
295 strcmp((char *) SvPV(f1, len), (char *) SvPV(f2, len)) == 0))
297 static void perl_signal_remove_list(GSList **list, SV *func)
301 for (tmp = *list; tmp != NULL; tmp = tmp->next) {
302 PERL_SIGNAL_REC *rec = tmp->data;
304 if (sv_func_cmp(rec->func, func, PL_na)) {
305 perl_signal_remove_list_one(list, rec);
311 void perl_signal_remove(const char *signal, SV *func)
316 signal_idp = GINT_TO_POINTER(signal_get_uniq_id(signal));
317 list = g_hash_table_lookup(signals, signal_idp);
320 func = perl_func_sv_inc(func, perl_get_package());
321 perl_signal_remove_list(list, func);
326 void perl_command_bind_to(const char *cmd, const char *category,
327 SV *func, int priority)
331 signal = g_strconcat("command ", cmd, NULL);
332 perl_signal_add_full_int(signal, func, priority, TRUE, category);
336 void perl_command_runsub(const char *cmd, const char *data,
337 SERVER_REC *server, WI_ITEM_REC *item)
339 command_runsub(cmd, data, server, item);
342 void perl_command_unbind(const char *cmd, SV *func)
346 /* perl_signal_remove() calls command_unbind() */
347 signal = g_strconcat("command ", cmd, NULL);
348 perl_signal_remove(signal, func);
352 static int signal_destroy_hash(void *key, GSList **list, PERL_SCRIPT_REC *script)
356 for (tmp = *list; tmp != NULL; tmp = next) {
357 PERL_SIGNAL_REC *rec = tmp->data;
360 if (script == NULL || rec->script == script) {
361 *list = g_slist_remove(*list, rec);
362 perl_signal_destroy(rec);
373 /* destroy all signals used by script */
374 void perl_signal_remove_script(PERL_SCRIPT_REC *script)
376 g_hash_table_foreach_remove(signals, (GHRFunc) signal_destroy_hash,
380 void perl_signals_start(void)
382 signals = g_hash_table_new(NULL, NULL);
385 void perl_signals_stop(void)
387 g_hash_table_foreach(signals, (GHFunc) signal_destroy_hash, NULL);
388 g_hash_table_destroy(signals);
392 static void register_signal_rec(PERL_SIGNAL_ARGS_REC *rec)
394 if (rec->signal[strlen(rec->signal)-1] == ' ') {
395 perl_signal_args_partial =
396 g_slist_append(perl_signal_args_partial, rec);
398 int signal_id = signal_get_uniq_id(rec->signal);
399 g_hash_table_insert(perl_signal_args_hash,
400 GINT_TO_POINTER(signal_id), rec);
404 void perl_signal_register(const char *signal, const char **args)
406 PERL_SIGNAL_ARGS_REC *rec;
409 if (perl_signal_args_find(signal_get_uniq_id(signal)) != NULL)
412 rec = g_new0(PERL_SIGNAL_ARGS_REC, 1);
413 for (i = 0; i < 6 && args[i] != NULL; i++)
414 rec->args[i] = g_strdup(args[i]);
416 rec->signal = g_strdup(signal);
417 register_signal_rec(rec);
420 void perl_signals_init(void)
424 perl_signal_args_hash = g_hash_table_new((GHashFunc) g_direct_hash,
425 (GCompareFunc) g_direct_equal);
426 perl_signal_args_partial = NULL;
428 for (n = 0; perl_signal_args[n].signal != NULL; n++)
429 register_signal_rec(&perl_signal_args[n]);
432 static void signal_args_free(PERL_SIGNAL_ARGS_REC *rec)
439 for (i = 0; i < 6 && rec->args[i] != NULL; i++)
440 g_free(rec->args[i]);
445 static void signal_args_hash_free(void *key, PERL_SIGNAL_ARGS_REC *rec)
447 signal_args_free(rec);
450 void perl_signals_deinit(void)
452 g_slist_foreach(perl_signal_args_partial,
453 (GFunc) signal_args_free, NULL);
454 g_slist_free(perl_signal_args_partial);
456 g_hash_table_foreach(perl_signal_args_hash,
457 (GHFunc) signal_args_hash_free, NULL);
458 g_hash_table_destroy(perl_signal_args_hash);