2 chat-protocol.c : irssi
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
24 #include "chat-protocols.h"
28 #include "servers-setup.h"
29 #include "channels-setup.h"
31 GSList *chat_protocols;
33 static CHAT_PROTOCOL_REC *default_proto;
35 void *chat_protocol_check_cast(void *object, int type_pos, const char *id)
37 return object == NULL ||
38 chat_protocol_lookup(id) !=
39 G_STRUCT_MEMBER(int, object, type_pos) ? NULL : object;
42 /* Return the ID for the specified chat protocol. */
43 int chat_protocol_lookup(const char *name)
45 CHAT_PROTOCOL_REC *rec;
47 g_return_val_if_fail(name != NULL, -1);
49 rec = chat_protocol_find(name);
50 return rec == NULL ? -1 : rec->id;
53 CHAT_PROTOCOL_REC *chat_protocol_find(const char *name)
57 g_return_val_if_fail(name != NULL, NULL);
59 for (tmp = chat_protocols; tmp != NULL; tmp = tmp->next) {
60 CHAT_PROTOCOL_REC *rec = tmp->data;
62 if (g_strcasecmp(rec->name, name) == 0)
69 CHAT_PROTOCOL_REC *chat_protocol_find_id(int id)
73 g_return_val_if_fail(id > 0, NULL);
75 for (tmp = chat_protocols; tmp != NULL; tmp = tmp->next) {
76 CHAT_PROTOCOL_REC *rec = tmp->data;
85 CHAT_PROTOCOL_REC *chat_protocol_find_net(GHashTable *optlist)
89 g_return_val_if_fail(optlist != NULL, NULL);
91 for (tmp = chat_protocols; tmp != NULL; tmp = tmp->next) {
92 CHAT_PROTOCOL_REC *rec = tmp->data;
94 if (rec->chatnet != NULL &&
95 g_hash_table_lookup(optlist, rec->chatnet) != NULL)
102 /* Register new chat protocol. */
103 CHAT_PROTOCOL_REC *chat_protocol_register(CHAT_PROTOCOL_REC *rec)
105 CHAT_PROTOCOL_REC *newrec;
108 g_return_val_if_fail(rec != NULL, NULL);
110 newrec = chat_protocol_find(rec->name);
111 created = newrec == NULL;
112 if (newrec == NULL) {
113 newrec = g_new0(CHAT_PROTOCOL_REC, 1);
114 chat_protocols = g_slist_append(chat_protocols, newrec);
116 /* updating existing protocol */
117 g_free(newrec->name);
120 memcpy(newrec, rec, sizeof(CHAT_PROTOCOL_REC));
121 newrec->id = module_get_uniq_id_str("PROTOCOL", rec->name);
122 newrec->name = g_strdup(rec->name);
124 if (default_proto == NULL)
125 chat_protocol_set_default(newrec);
128 signal_emit("chat protocol created", 1, newrec);
130 signal_emit("chat protocol updated", 1, newrec);
134 static void chat_protocol_destroy(CHAT_PROTOCOL_REC *rec)
136 g_return_if_fail(rec != NULL);
138 chat_protocols = g_slist_remove(chat_protocols, rec);
140 if (default_proto == rec) {
141 chat_protocol_set_default(chat_protocols == NULL ? NULL :
142 chat_protocols->data);
145 signal_emit("chat protocol destroyed", 1, rec);
151 /* Unregister chat protocol. */
152 void chat_protocol_unregister(const char *name)
154 CHAT_PROTOCOL_REC *rec;
156 g_return_if_fail(name != NULL);
158 rec = chat_protocol_find(name);
160 chat_protocol_destroy(rec);
162 /* there might still be references to this chat protocol -
163 recreate it as a dummy protocol */
164 chat_protocol_get_unknown(name);
168 /* Default chat protocol to use */
169 void chat_protocol_set_default(CHAT_PROTOCOL_REC *rec)
174 CHAT_PROTOCOL_REC *chat_protocol_get_default(void)
176 return default_proto;
179 static CHATNET_REC *create_chatnet(void)
181 return g_new0(CHATNET_REC, 1);
184 static SERVER_SETUP_REC *create_server_setup(void)
186 return g_new0(SERVER_SETUP_REC, 1);
189 static CHANNEL_SETUP_REC *create_channel_setup(void)
191 return g_new0(CHANNEL_SETUP_REC, 1);
194 static SERVER_CONNECT_REC *create_server_connect(void)
196 return g_new0(SERVER_CONNECT_REC, 1);
199 static void destroy_server_connect(SERVER_CONNECT_REC *conn)
203 /* Return "unknown chat protocol" record. Used when protocol name is
204 specified but it isn't registered yet. */
205 CHAT_PROTOCOL_REC *chat_protocol_get_unknown(const char *name)
207 CHAT_PROTOCOL_REC *rec, *newrec;
209 g_return_val_if_fail(name != NULL, NULL);
211 rec = chat_protocol_find(name);
215 rec = g_new0(CHAT_PROTOCOL_REC, 1);
216 rec->not_initialized = TRUE;
217 rec->name = (char *) name;
218 rec->create_chatnet = create_chatnet;
219 rec->create_server_setup = create_server_setup;
220 rec->create_channel_setup = create_channel_setup;
221 rec->create_server_connect = create_server_connect;
222 rec->destroy_server_connect = destroy_server_connect;
224 newrec = chat_protocol_register(rec);
229 void chat_protocols_init(void)
231 default_proto = NULL;
232 chat_protocols = NULL;
235 void chat_protocols_deinit(void)
237 while (chat_protocols != NULL)
238 chat_protocol_destroy(chat_protocols->data);