173 lines
4.1 KiB
C
173 lines
4.1 KiB
C
/*
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* wee-hook-config.c - WeeChat config hook
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*
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* Copyright (C) 2003-2018 Sébastien Helleu <flashcode@flashtux.org>
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*
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* This file is part of WeeChat, the extensible chat client.
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*
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* WeeChat is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* WeeChat is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include "../weechat.h"
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#include "../wee-hook.h"
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#include "../wee-infolist.h"
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#include "../wee-log.h"
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#include "../wee-string.h"
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/*
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* Hooks a configuration option.
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*
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* Returns pointer to new hook, NULL if error.
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*/
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struct t_hook *
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hook_config (struct t_weechat_plugin *plugin, const char *option,
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t_hook_callback_config *callback,
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const void *callback_pointer,
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void *callback_data)
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{
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struct t_hook *new_hook;
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struct t_hook_config *new_hook_config;
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int priority;
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const char *ptr_option;
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if (!callback)
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return NULL;
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new_hook = malloc (sizeof (*new_hook));
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if (!new_hook)
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return NULL;
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new_hook_config = malloc (sizeof (*new_hook_config));
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if (!new_hook_config)
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{
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free (new_hook);
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return NULL;
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}
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hook_get_priority_and_name (option, &priority, &ptr_option);
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hook_init_data (new_hook, plugin, HOOK_TYPE_CONFIG, priority,
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callback_pointer, callback_data);
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new_hook->hook_data = new_hook_config;
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new_hook_config->callback = callback;
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new_hook_config->option = strdup ((ptr_option) ? ptr_option :
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((option) ? option : ""));
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hook_add_to_list (new_hook);
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return new_hook;
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}
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/*
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* Executes a config hook.
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*/
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void
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hook_config_exec (const char *option, const char *value)
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{
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struct t_hook *ptr_hook, *next_hook;
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hook_exec_start ();
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ptr_hook = weechat_hooks[HOOK_TYPE_CONFIG];
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while (ptr_hook)
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{
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next_hook = ptr_hook->next_hook;
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if (!ptr_hook->deleted
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&& !ptr_hook->running
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&& (!HOOK_CONFIG(ptr_hook, option)
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|| (string_match (option, HOOK_CONFIG(ptr_hook, option), 0))))
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{
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ptr_hook->running = 1;
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(void) (HOOK_CONFIG(ptr_hook, callback))
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(ptr_hook->callback_pointer,
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ptr_hook->callback_data,
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option,
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value);
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ptr_hook->running = 0;
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}
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ptr_hook = next_hook;
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}
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hook_exec_end ();
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}
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/*
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* Frees data in a config hook.
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*/
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void
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hook_config_free_data (struct t_hook *hook)
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{
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if (!hook || !hook->hook_data)
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return;
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if (HOOK_CONFIG(hook, option))
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{
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free (HOOK_CONFIG(hook, option));
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HOOK_CONFIG(hook, option) = NULL;
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}
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free (hook->hook_data);
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hook->hook_data = NULL;
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}
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/*
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* Adds config hook data in the infolist item.
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*
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* Returns:
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* 1: OK
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* 0: error
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*/
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int
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hook_config_add_to_infolist (struct t_infolist_item *item,
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struct t_hook *hook)
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{
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if (!item || !hook || !hook->hook_data)
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return 0;
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if (!infolist_new_var_pointer (item, "callback", HOOK_CONFIG(hook, callback)))
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return 0;
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if (!infolist_new_var_string (item, "option", HOOK_CONFIG(hook, option)))
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return 0;
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return 1;
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}
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/*
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* Prints config hook data in WeeChat log file (usually for crash dump).
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*/
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void
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hook_config_print_log (struct t_hook *hook)
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{
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if (!hook || !hook->hook_data)
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return;
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log_printf (" config data:");
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log_printf (" callback. . . . . . . : 0x%lx", HOOK_CONFIG(hook, callback));
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log_printf (" option. . . . . . . . : '%s'", HOOK_CONFIG(hook, option));
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}
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