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/*
* wee-hook-config.c - WeeChat config hook
*
* Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat 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 3 of the License, or
* (at your option) any later version.
*
* WeeChat 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 WeeChat. If not, see <https://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include "../weechat.h"
#include "../wee-hook.h"
#include "../wee-infolist.h"
#include "../wee-log.h"
#include "../wee-string.h"
/*
* Returns description of hook.
*
* Note: result must be freed after use.
*/
char *
hook_config_get_description (struct t_hook *hook)
{
return strdup (HOOK_CONFIG(hook, option));
}
/*
* Hooks a configuration option.
*
* Returns pointer to new hook, NULL if error.
*/
struct t_hook *
hook_config (struct t_weechat_plugin *plugin, const char *option,
t_hook_callback_config *callback,
const void *callback_pointer,
void *callback_data)
{
struct t_hook *new_hook;
struct t_hook_config *new_hook_config;
int priority;
const char *ptr_option;
if (!callback)
return NULL;
new_hook = malloc (sizeof (*new_hook));
if (!new_hook)
return NULL;
new_hook_config = malloc (sizeof (*new_hook_config));
if (!new_hook_config)
{
free (new_hook);
return NULL;
}
string_get_priority_and_name (option, &priority, &ptr_option,
HOOK_PRIORITY_DEFAULT);
hook_init_data (new_hook, plugin, HOOK_TYPE_CONFIG, priority,
callback_pointer, callback_data);
new_hook->hook_data = new_hook_config;
new_hook_config->callback = callback;
new_hook_config->option = strdup ((ptr_option) ? ptr_option :
((option) ? option : ""));
hook_add_to_list (new_hook);
return new_hook;
}
/*
* Executes a config hook.
*/
void
hook_config_exec (const char *option, const char *value)
{
struct t_hook *ptr_hook, *next_hook;
hook_exec_start ();
ptr_hook = weechat_hooks[HOOK_TYPE_CONFIG];
while (ptr_hook)
{
next_hook = ptr_hook->next_hook;
if (!ptr_hook->deleted
&& !ptr_hook->running
&& (!HOOK_CONFIG(ptr_hook, option)
|| (string_match (option, HOOK_CONFIG(ptr_hook, option), 0))))
{
ptr_hook->running = 1;
(void) (HOOK_CONFIG(ptr_hook, callback))
(ptr_hook->callback_pointer,
ptr_hook->callback_data,
option,
value);
ptr_hook->running = 0;
}
ptr_hook = next_hook;
}
hook_exec_end ();
}
/*
* Frees data in a config hook.
*/
void
hook_config_free_data (struct t_hook *hook)
{
if (!hook || !hook->hook_data)
return;
if (HOOK_CONFIG(hook, option))
{
free (HOOK_CONFIG(hook, option));
HOOK_CONFIG(hook, option) = NULL;
}
free (hook->hook_data);
hook->hook_data = NULL;
}
/*
* Adds config hook data in the infolist item.
*
* Returns:
* 1: OK
* 0: error
*/
int
hook_config_add_to_infolist (struct t_infolist_item *item,
struct t_hook *hook)
{
if (!item || !hook || !hook->hook_data)
return 0;
if (!infolist_new_var_pointer (item, "callback", HOOK_CONFIG(hook, callback)))
return 0;
if (!infolist_new_var_string (item, "option", HOOK_CONFIG(hook, option)))
return 0;
return 1;
}
/*
* Prints config hook data in WeeChat log file (usually for crash dump).
*/
void
hook_config_print_log (struct t_hook *hook)
{
if (!hook || !hook->hook_data)
return;
log_printf (" config data:");
log_printf (" callback. . . . . . . : 0x%lx", HOOK_CONFIG(hook, callback));
log_printf (" option. . . . . . . . : '%s'", HOOK_CONFIG(hook, option));
}
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