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/*
* Copyright (C) 2003-2012 Sebastien 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/>.
*/
/*
* 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 "wee-utf8.h"
#include "../gui/gui-buffer.h"
#include "../gui/gui-chat.h"
#include "../plugins/plugin.h"
/*
* input_exec_data: send data to buffer input callback
*/
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)
*/
void
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]))
return;
command = strdup (string);
if (!command)
return ;
/* 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 -2: /* command is ambigous (exists for other plugins) */
gui_chat_printf (NULL,
_("%sError: ambigous command \"%s\": it exists "
"in many plugins and not in \"%s\" plugin"),
gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
command + 1,
plugin_get_name (plugin));
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);
}
/*
* input_data: read user input and send data to buffer callback
*/
void
input_data (struct t_gui_buffer *buffer, const char *data)
{
char *pos, *buf, str_buffer[128], *new_data;
const char *ptr_data, *ptr_data_for_buffer;
int length, char_size;
if (!buffer || !data || !data[0] || (data[0] == '\r') || (data[0] == '\n'))
return;
/* execute modifier "input_text_for_buffer" */
snprintf (str_buffer, sizeof (str_buffer),
"0x%lx", (long unsigned int)buffer);
new_data = hook_modifier_exec (NULL,
"input_text_for_buffer",
str_buffer,
data);
/* data not dropped? */
if (!new_data || new_data[0])
{
ptr_data = (new_data) ? new_data : data;
while (ptr_data && ptr_data[0])
{
pos = strchr (ptr_data, '\n');
if (pos)
pos[0] = '\0';
ptr_data_for_buffer = string_input_for_buffer (ptr_data);
if (ptr_data_for_buffer)
{
/*
* input string is NOT a command, send it to buffer input
* callback
*/
if (string_is_command_char (ptr_data_for_buffer))
{
char_size = utf8_char_size (ptr_data_for_buffer);
length = strlen (ptr_data_for_buffer) + char_size + 1;
buf = malloc (length);
if (buf)
{
memcpy (buf, ptr_data_for_buffer, char_size);
snprintf (buf + char_size, length - char_size,
"%s", ptr_data_for_buffer);
input_exec_data (buffer, buf);
free (buf);
}
}
else
input_exec_data (buffer, ptr_data_for_buffer);
}
else
{
/* input string is a command */
input_exec_command (buffer, 1, buffer->plugin, ptr_data);
}
if (pos)
{
pos[0] = '\n';
ptr_data = pos + 1;
}
else
ptr_data = NULL;
}
}
if (new_data)
free (new_data);
}
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