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/*
chat-protocol.c : irssi
Copyright (C) 2000 Timo Sirainen
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
*/
#include "module.h"
#include "signals.h"
#include "chat-protocols.h"
static int id_counter;
GSList *chat_protocols;
void *chat_protocol_check_cast(void *object, int type_pos, const char *id)
{
return object == NULL ||
chat_protocol_lookup(id) !=
G_STRUCT_MEMBER(int, object, type_pos) ? NULL : object;
}
/* Return the ID for the specified chat protocol. */
int chat_protocol_lookup(const char *name)
{
CHAT_PROTOCOL_REC *rec;
g_return_val_if_fail(name != NULL, -1);
rec = chat_protocol_find(name);
return rec == NULL ? -1 : rec->id;
}
CHAT_PROTOCOL_REC *chat_protocol_find(const char *name)
{
GSList *tmp;
g_return_val_if_fail(name != NULL, NULL);
for (tmp = chat_protocols; tmp != NULL; tmp = tmp->next) {
CHAT_PROTOCOL_REC *rec = tmp->data;
if (g_strcasecmp(rec->name, name) == 0)
return rec;
}
return NULL;
}
CHAT_PROTOCOL_REC *chat_protocol_find_id(int id)
{
GSList *tmp;
g_return_val_if_fail(id > 0, NULL);
for (tmp = chat_protocols; tmp != NULL; tmp = tmp->next) {
CHAT_PROTOCOL_REC *rec = tmp->data;
if (rec->id == id)
return rec;
}
return NULL;
}
/* Register new chat protocol. */
void chat_protocol_register(CHAT_PROTOCOL_REC *rec)
{
g_return_if_fail(rec != NULL);
if (chat_protocol_find(rec->name) != NULL)
return;
rec->id = ++id_counter;
chat_protocols = g_slist_append(chat_protocols, rec);
signal_emit("chat protocol created", 1, rec);
}
static void chat_protocol_destroy(CHAT_PROTOCOL_REC *rec)
{
g_return_if_fail(rec != NULL);
chat_protocols = g_slist_remove(chat_protocols, rec);
signal_emit("chat protocol destroyed", 1, rec);
g_free(rec);
}
/* Unregister chat protocol. */
void chat_protocol_unregister(const char *name)
{
CHAT_PROTOCOL_REC *rec;
g_return_if_fail(name != NULL);
rec = chat_protocol_find(name);
if (rec != NULL) chat_protocol_destroy(rec);
}
void chat_protocols_init(void)
{
id_counter = 0;
chat_protocols = NULL;
}
void chat_protocols_deinit(void)
{
while (chat_protocols != NULL)
chat_protocol_destroy(chat_protocols->data);
}
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