/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * File-Roller * * Copyright (C) 2011 The Free Software Foundation, Inc. * * 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 2 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/>. */ #include <config.h> #include <string.h> #include "file-utils.h" #include "fr-command.h" #include "gio-utils.h" #include "rar-utils.h" typedef enum { FIRST_VOLUME_IS_000, FIRST_VOLUME_IS_001, FIRST_VOLUME_IS_RAR } FirstVolumeExtension; static char * get_first_volume_name (const char *name, const char *pattern, FirstVolumeExtension extension_type) { char *volume_name = NULL; GRegex *re; re = g_regex_new (pattern, G_REGEX_CASELESS, 0, NULL); if (g_regex_match (re, name, 0, NULL)) { char **parts; int l, i; parts = g_regex_split (re, name, 0); l = strlen (parts[2]); switch (extension_type) { case FIRST_VOLUME_IS_000: for (i = 0; i < l; i++) parts[2][i] = '0'; break; case FIRST_VOLUME_IS_001: for (i = 0; i < l; i++) parts[2][i] = (i < l - 1) ? '0' : '1'; break; case FIRST_VOLUME_IS_RAR: if (g_str_has_suffix (parts[1], "r")) { parts[2][0] = 'a'; parts[2][1] = 'r'; } else { parts[2][0] = 'A'; parts[2][1] = 'R'; } break; } volume_name = g_strjoinv ("", parts); g_strfreev (parts); } g_regex_unref (re); if (volume_name != NULL) { char *tmp; tmp = volume_name; volume_name = g_filename_from_utf8 (tmp, -1, NULL, NULL, NULL); g_free (tmp); } return volume_name; } void rar_check_multi_volume (FrCommand *comm) { GFile *file; char buffer[11]; file = g_file_new_for_path (comm->filename); if (! g_load_file_in_buffer (file, buffer, 11, NULL)) { g_object_unref (file); return; } if (memcmp (buffer, "Rar!", 4) != 0) return; if ((buffer[10] & 0x01) == 0x01) { char *volume_name = NULL; char *name; name = g_filename_to_utf8 (file_name_from_path (comm->filename), -1, NULL, NULL, NULL); volume_name = get_first_volume_name (name, "^(.*\\.part)([0-9]+)(\\.rar)$", FIRST_VOLUME_IS_001); if (volume_name == NULL) volume_name = get_first_volume_name (name, "^(.*\\.r)([0-9]+)$", FIRST_VOLUME_IS_RAR); if (volume_name == NULL) volume_name = get_first_volume_name (name, "^(.*\\.)([0-9]+)$", FIRST_VOLUME_IS_001); if (volume_name != NULL) { GFile *parent; GFile *volume_file; parent = g_file_get_parent (file); volume_file = g_file_get_child (parent, volume_name); fr_command_set_multi_volume (comm, volume_file); g_object_unref (volume_file); g_object_unref (parent); } g_free (name); } g_object_unref (file); }