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/*
* exec-buffer.c - buffers with output of commands
*
* Copyright (C) 2014-2023 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/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "../weechat-plugin.h"
#include "exec.h"
#include "exec-buffer.h"
#include "exec-command.h"
#include "exec-config.h"
/*
* Callback for user data in an exec buffer.
*/
int
exec_buffer_input_cb (const void *pointer, void *data,
struct t_gui_buffer *buffer,
const char *input_data)
{
char **argv, **argv_eol;
int argc;
/* make C compiler happy */
(void) pointer;
(void) data;
/* close buffer */
if (strcmp (input_data, "q") == 0)
{
weechat_buffer_close (buffer);
return WEECHAT_RC_OK;
}
argv = weechat_string_split (input_data, " ", NULL,
WEECHAT_STRING_SPLIT_STRIP_LEFT
| WEECHAT_STRING_SPLIT_STRIP_RIGHT
| WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
0, &argc);
argv_eol = weechat_string_split (input_data, " ", NULL,
WEECHAT_STRING_SPLIT_STRIP_LEFT
| WEECHAT_STRING_SPLIT_STRIP_RIGHT
| WEECHAT_STRING_SPLIT_COLLAPSE_SEPS
| WEECHAT_STRING_SPLIT_KEEP_EOL,
0, NULL);
if (argv && argv_eol)
exec_command_run (buffer, argc, argv, argv_eol, 0);
if (argv)
weechat_string_free_split (argv);
if (argv_eol)
weechat_string_free_split (argv_eol);
return WEECHAT_RC_OK;
}
/*
* Callback called when an exec buffer is closed.
*/
int
exec_buffer_close_cb (const void *pointer, void *data,
struct t_gui_buffer *buffer)
{
const char *full_name;
struct t_exec_cmd *ptr_exec_cmd;
/* make C compiler happy */
(void) pointer;
(void) data;
/* kill any command whose output is on this buffer */
full_name = weechat_buffer_get_string (buffer, "full_name");
for (ptr_exec_cmd = exec_cmds; ptr_exec_cmd;
ptr_exec_cmd = ptr_exec_cmd->next_cmd)
{
if (ptr_exec_cmd->hook
&& ptr_exec_cmd->buffer_full_name
&& (strcmp (ptr_exec_cmd->buffer_full_name, full_name) == 0))
{
weechat_hook_set (ptr_exec_cmd->hook, "signal", "kill");
}
}
return WEECHAT_RC_OK;
}
/*
* Restore buffer callbacks (input and close) for buffers created by exec
* plugin.
*/
void
exec_buffer_set_callbacks ()
{
struct t_infolist *ptr_infolist;
struct t_gui_buffer *ptr_buffer;
const char *plugin_name;
ptr_infolist = weechat_infolist_get ("buffer", NULL, "");
if (ptr_infolist)
{
while (weechat_infolist_next (ptr_infolist))
{
ptr_buffer = weechat_infolist_pointer (ptr_infolist, "pointer");
plugin_name = weechat_infolist_string (ptr_infolist, "plugin_name");
if (ptr_buffer && plugin_name
&& (strcmp (plugin_name, EXEC_PLUGIN_NAME) == 0))
{
weechat_buffer_set_pointer (ptr_buffer, "close_callback",
&exec_buffer_close_cb);
weechat_buffer_set_pointer (ptr_buffer, "input_callback",
&exec_buffer_input_cb);
}
}
weechat_infolist_free (ptr_infolist);
}
}
/*
* Creates a new exec buffer for a command.
*/
struct t_gui_buffer *
exec_buffer_new (const char *name, int free_content, int clear_buffer,
int switch_to_buffer)
{
struct t_gui_buffer *new_buffer;
int buffer_type;
new_buffer = weechat_buffer_search (EXEC_PLUGIN_NAME, name);
if (new_buffer)
{
buffer_type = weechat_buffer_get_integer (new_buffer, "type");
if (((buffer_type == 0) && free_content)
|| ((buffer_type == 1) && !free_content))
{
/* change the type of buffer */
weechat_buffer_set (new_buffer,
"type",
(free_content) ? "free" : "formatted");
}
goto end;
}
new_buffer = weechat_buffer_new (name,
&exec_buffer_input_cb, NULL, NULL,
&exec_buffer_close_cb, NULL, NULL);
/* failed to create buffer ? then return */
if (!new_buffer)
return NULL;
if (free_content)
weechat_buffer_set (new_buffer, "type", "free");
weechat_buffer_set (new_buffer, "clear", "1");
weechat_buffer_set (new_buffer, "title", _("Executed commands"));
weechat_buffer_set (new_buffer, "localvar_set_type", "exec");
weechat_buffer_set (new_buffer, "localvar_set_no_log", "1");
weechat_buffer_set (new_buffer, "time_for_each_line", "0");
weechat_buffer_set (new_buffer, "input_get_unknown_commands", "0");
end:
if (clear_buffer)
weechat_buffer_clear (new_buffer);
if (switch_to_buffer)
weechat_buffer_set (new_buffer, "display", "1");
return new_buffer;
}
|
