245 lines
7.1 KiB
C
245 lines
7.1 KiB
C
/*
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* wee-hook-print.c - WeeChat print 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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#include "../../gui/gui-color.h"
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#include "../../gui/gui-line.h"
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/*
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* Hooks a message printed by WeeChat.
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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_print (struct t_weechat_plugin *plugin, struct t_gui_buffer *buffer,
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const char *tags, const char *message, int strip_colors,
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t_hook_callback_print *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_print *new_hook_print;
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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_print = malloc (sizeof (*new_hook_print));
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if (!new_hook_print)
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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_init_data (new_hook, plugin, HOOK_TYPE_PRINT, HOOK_PRIORITY_DEFAULT,
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callback_pointer, callback_data);
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new_hook->hook_data = new_hook_print;
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new_hook_print->callback = callback;
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new_hook_print->buffer = buffer;
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new_hook_print->tags_array = string_split_tags (tags,
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&new_hook_print->tags_count);
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new_hook_print->message = (message) ? strdup (message) : NULL;
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new_hook_print->strip_colors = strip_colors;
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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 print hook.
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*/
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void
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hook_print_exec (struct t_gui_buffer *buffer, struct t_gui_line *line)
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{
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struct t_hook *ptr_hook, *next_hook;
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char *prefix_no_color, *message_no_color;
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if (!weechat_hooks[HOOK_TYPE_PRINT])
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return;
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if (!line->data->message || !line->data->message[0])
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return;
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prefix_no_color = (line->data->prefix) ?
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gui_color_decode (line->data->prefix, NULL) : NULL;
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message_no_color = gui_color_decode (line->data->message, NULL);
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if (!message_no_color)
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{
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if (prefix_no_color)
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free (prefix_no_color);
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return;
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}
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hook_exec_start ();
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ptr_hook = weechat_hooks[HOOK_TYPE_PRINT];
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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_PRINT(ptr_hook, buffer)
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|| (buffer == HOOK_PRINT(ptr_hook, buffer)))
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&& (!HOOK_PRINT(ptr_hook, message)
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|| !HOOK_PRINT(ptr_hook, message)[0]
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|| string_strcasestr (prefix_no_color, HOOK_PRINT(ptr_hook, message))
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|| string_strcasestr (message_no_color, HOOK_PRINT(ptr_hook, message)))
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&& (!HOOK_PRINT(ptr_hook, tags_array)
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|| gui_line_match_tags (line->data,
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HOOK_PRINT(ptr_hook, tags_count),
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HOOK_PRINT(ptr_hook, tags_array))))
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{
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/* run callback */
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ptr_hook->running = 1;
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(void) (HOOK_PRINT(ptr_hook, callback))
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(ptr_hook->callback_pointer,
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ptr_hook->callback_data,
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buffer,
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line->data->date,
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line->data->tags_count,
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(const char **)line->data->tags_array,
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(int)line->data->displayed, (int)line->data->highlight,
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(HOOK_PRINT(ptr_hook, strip_colors)) ? prefix_no_color : line->data->prefix,
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(HOOK_PRINT(ptr_hook, strip_colors)) ? message_no_color : line->data->message);
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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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if (prefix_no_color)
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free (prefix_no_color);
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if (message_no_color)
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free (message_no_color);
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hook_exec_end ();
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}
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/*
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* Frees data in a print hook.
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*/
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void
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hook_print_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_PRINT(hook, tags_array))
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{
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string_free_split_tags (HOOK_PRINT(hook, tags_array));
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HOOK_PRINT(hook, tags_array) = NULL;
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}
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if (HOOK_PRINT(hook, message))
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{
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free (HOOK_PRINT(hook, message));
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HOOK_PRINT(hook, message) = 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 print 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_print_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_PRINT(hook, callback)))
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return 0;
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if (!infolist_new_var_pointer (item, "buffer", HOOK_PRINT(hook, buffer)))
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return 0;
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if (!infolist_new_var_integer (item, "tags_count", HOOK_PRINT(hook, tags_count)))
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return 0;
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if (!infolist_new_var_pointer (item, "tags_array", HOOK_PRINT(hook, tags_array)))
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return 0;
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if (!infolist_new_var_string (item, "message", HOOK_PRINT(hook, message)))
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return 0;
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if (!infolist_new_var_integer (item, "strip_colors", HOOK_PRINT(hook, strip_colors)))
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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 print hook data in WeeChat log file (usually for crash dump).
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*/
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void
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hook_print_print_log (struct t_hook *hook)
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{
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int i, j;
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if (!hook || !hook->hook_data)
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return;
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log_printf (" print data:");
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log_printf (" callback. . . . . . . : 0x%lx", HOOK_PRINT(hook, callback));
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log_printf (" buffer. . . . . . . . : 0x%lx", HOOK_PRINT(hook, buffer));
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log_printf (" tags_count. . . . . . : %d", HOOK_PRINT(hook, tags_count));
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log_printf (" tags_array. . . . . . : 0x%lx", HOOK_PRINT(hook, tags_array));
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if (HOOK_PRINT(hook, tags_array))
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{
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for (i = 0; i < HOOK_PRINT(hook, tags_count); i++)
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{
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for (j = 0; HOOK_PRINT(hook, tags_array)[i][j]; j++)
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{
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log_printf (" tags_array[%03d][%03d]: '%s'",
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i,
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j,
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HOOK_PRINT(hook, tags_array)[i][j]);
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}
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}
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}
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log_printf (" message . . . . . . . : '%s'", HOOK_PRINT(hook, message));
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log_printf (" strip_colors. . . . . : %d", HOOK_PRINT(hook, strip_colors));
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}
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