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Diffstat (limited to 'src/rar-utils.c')
| -rw-r--r-- | src/rar-utils.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/rar-utils.c b/src/rar-utils.c new file mode 100644 index 0000000..0cb34e2 --- /dev/null +++ b/src/rar-utils.c @@ -0,0 +1,139 @@ +/* -*- 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" + + +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_vomule (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 *child; + char *volume_filename; + + parent = g_file_get_parent (file); + child = g_file_get_child (parent, volume_name); + volume_filename = g_file_get_path (child); + fr_command_set_multi_volume (comm, volume_filename); + + g_free (volume_filename); + g_object_unref (child); + g_object_unref (parent); + } + + g_free (name); + } + + g_object_unref (file); +} |