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/*
* Copyright (c) 2003-2009 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
/* wee-input.c: default callback function to read user input */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include "weechat.h"
#include "wee-input.h"
#include "wee-config.h"
#include "wee-hook.h"
#include "wee-string.h"
#include "../gui/gui-buffer.h"
#include "../gui/gui-chat.h"
#include "../plugins/plugin.h"
/*
* input_is_command: return 1 if line is a command, 0 otherwise
*/
int
input_is_command (const char *line)
{
char *pos_slash, *pos_space;
if (strncmp (line, "/*", 2) == 0)
return 0;
pos_slash = strchr (line + 1, '/');
pos_space = strchr (line + 1, ' ');
return (line[0] == '/')
&& (!pos_slash || (pos_space && pos_slash > pos_space));
}
/*
* input_exec_data: send data to buffer input callbackr
*/
void
input_exec_data (struct t_gui_buffer *buffer, const char *data)
{
if (buffer->input_callback)
{
(void)(buffer->input_callback) (buffer->input_callback_data,
buffer,
data);
}
else
gui_chat_printf (buffer,
_("%sYou can not write text in this "
"buffer"),
gui_chat_prefix[GUI_CHAT_PREFIX_ERROR]);
}
/*
* input_exec_command: execute a command (WeeChat internal or a plugin command)
* if only_builtin == 1, then try only
* WeeChat commands (not plugins neither aliases)
* returns: 1 if command was executed succesfully
* 0 if error (command not executed)
*/
int
input_exec_command (struct t_gui_buffer *buffer,
int any_plugin,
struct t_weechat_plugin *plugin,
const char *string)
{
int rc;
char *command, *pos, *ptr_args;
if ((!string) || (!string[0]) || (string[0] != '/'))
return 0;
command = strdup (string);
if (!command)
return 0;
/* look for end of command */
ptr_args = NULL;
pos = &command[strlen (command) - 1];
if (pos[0] == ' ')
{
while ((pos > command) && (pos[0] == ' '))
pos--;
pos[1] = '\0';
}
rc = hook_command_exec (buffer, any_plugin, plugin, command);
pos = strchr (command, ' ');
if (pos)
{
pos[0] = '\0';
pos++;
while (pos[0] == ' ')
pos++;
ptr_args = pos;
if (!ptr_args[0])
ptr_args = NULL;
}
switch (rc)
{
case 0: /* command hooked, KO */
gui_chat_printf (NULL,
_("%sError with command \"%s\" (try /help %s)"),
gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
command + 1, command + 1);
break;
case 1: /* command hooked, OK (executed) */
break;
case -3: /* command is running */
gui_chat_printf (NULL,
_("%sError: too much calls to command \"%s\" "
"(looping)"),
gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
command + 1);
break;
default: /* no command hooked */
/* if unknown commands are accepted by this buffer, just send
input text as data to buffer, otherwise display error */
if (buffer->input_get_unknown_commands)
{
input_exec_data (buffer, string);
}
else
{
gui_chat_printf (NULL,
_("%sError: unknown command \"%s\" (type /help "
"for help)"),
gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
command + 1);
}
break;
}
free (command);
return 0;
}
/*
* input_data: read user input and send data to buffer callback
*/
void
input_data (struct t_gui_buffer *buffer, const char *data)
{
char *new_data, *pos;
const char *ptr_data;
if (!buffer || !data || !data[0] || (data[0] == '\r') || (data[0] == '\n'))
return;
/* TODO: modifier for input */
/*new_data = plugin_modifier_exec (PLUGIN_MODIFIER_IRC_USER,
"", data);*/
new_data = strdup (data);
/* no changes in new data */
if (new_data && (strcmp (data, new_data) == 0))
{
free (new_data);
new_data = NULL;
}
/* message not dropped? */
if (!new_data || new_data[0])
{
/* use new data (returned by plugin) */
ptr_data = (new_data) ? new_data : data;
while (ptr_data && ptr_data[0])
{
pos = strchr (ptr_data, '\n');
if (pos)
pos[0] = '\0';
if (input_is_command (ptr_data))
{
/* WeeChat or plugin command */
(void) input_exec_command (buffer, 1, buffer->plugin, ptr_data);
}
else
{
input_exec_data (buffer, ptr_data);
}
if (pos)
{
pos[0] = '\n';
ptr_data = pos + 1;
}
else
ptr_data = NULL;
}
}
}
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