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weechat/src/plugins/alias/alias-completion.c
T
Sébastien Helleu cf6aca1619 core: add pointer in some callbacks (closes #406)
This pointer is the first argument received by callbacks, and the
existing argument "data" is now automatically freed by WeeChat when the
object containing the callback is removed.

With this new pointer, the linked list of callbacks in scripts has been
removed. This will improve speed of scripts (using a lot of hooks),
reduce memory used by scripts and reduce time to unload scripts.

Following functions are affected in the C API:

* exec_on_files
* config_new
* config_new_section
* config_new_option
* hook_command
* hook_command_run
* hook_timer
* hook_fd
* hook_process
* hook_process_hashtable
* hook_connect
* hook_print
* hook_signal
* hook_hsignal
* hook_config
* hook_completion
* hook_modifier
* hook_info
* hook_info_hashtable
* hook_infolist
* hook_hdata
* hook_focus
* unhook_all_plugin
* buffer_new
* bar_item_new
* upgrade_new
* upgrade_read
2016-03-21 18:11:21 +01:00

121 lines
3.4 KiB
C

/*
* alias-completion.c - completion for alias commands
*
* Copyright (C) 2003-2016 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 <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "../weechat-plugin.h"
#include "alias.h"
/*
* Adds list of aliases to completion list.
*/
int
alias_completion_alias_cb (const void *pointer, void *data,
const char *completion_item,
struct t_gui_buffer *buffer,
struct t_gui_completion *completion)
{
struct t_alias *ptr_alias;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) completion_item;
(void) buffer;
for (ptr_alias = alias_list; ptr_alias;
ptr_alias = ptr_alias->next_alias)
{
weechat_hook_completion_list_add (completion, ptr_alias->name,
0, WEECHAT_LIST_POS_SORT);
}
return WEECHAT_RC_OK;
}
/*
* Adds value of an alias to completion list.
*/
int
alias_completion_alias_value_cb (const void *pointer, void *data,
const char *completion_item,
struct t_gui_buffer *buffer,
struct t_gui_completion *completion)
{
const char *args;
char **argv, *alias_name;
int argc;
struct t_alias *ptr_alias;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) completion_item;
(void) buffer;
args = weechat_hook_completion_get_string (completion, "args");
if (args)
{
argv = weechat_string_split (args, " ", 0, 0, &argc);
if (argv)
{
if (argc > 0)
alias_name = strdup (argv[argc - 1]);
else
alias_name = strdup (args);
if (alias_name)
{
ptr_alias = alias_search (alias_name);
if (ptr_alias)
{
weechat_hook_completion_list_add (completion,
ptr_alias->command,
0,
WEECHAT_LIST_POS_BEGINNING);
}
free (alias_name);
}
weechat_string_free_split (argv);
}
}
return WEECHAT_RC_OK;
}
/*
* Hooks completions.
*/
void
alias_completion_init ()
{
weechat_hook_completion ("alias", N_("list of aliases"),
&alias_completion_alias_cb, NULL, NULL);
weechat_hook_completion ("alias_value", N_("value of alias"),
&alias_completion_alias_value_cb, NULL, NULL);
}