/* * Copyright (C) 2003-2010 The Music Player Daemon Project * http://www.musicpd.org * * 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, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "config.h" #include "input/archive_input_plugin.h" #include "archive_api.h" #include "archive_list.h" #include "input_plugin.h" #include <glib.h> /** * select correct archive plugin to handle the input stream * may allow stacking of archive plugins. for example for handling * tar.gz a gzip handler opens file (through inputfile stream) * then it opens a tar handler and sets gzip inputstream as * parent_stream so tar plugin fetches file data from gzip * plugin and gzip fetches file from disk */ static struct input_stream * input_archive_open(const char *pathname, GError **error_r) { const struct archive_plugin *arplug; struct archive_file *file; char *archive, *filename, *suffix, *pname; struct input_stream *is; if (!g_path_is_absolute(pathname)) return NULL; pname = g_strdup(pathname); // archive_lookup will modify pname when true is returned if (!archive_lookup(pname, &archive, &filename, &suffix)) { g_debug("not an archive, lookup %s failed\n", pname); g_free(pname); return NULL; } //check which archive plugin to use (by ext) arplug = archive_plugin_from_suffix(suffix); if (!arplug) { g_warning("can't handle archive %s\n",archive); g_free(pname); return NULL; } file = archive_file_open(arplug, archive, error_r); if (file == NULL) return NULL; //setup fileops is = archive_file_open_stream(file, filename, error_r); archive_file_close(file); g_free(pname); return is; } const struct input_plugin input_plugin_archive = { .name = "archive", .open = input_archive_open, };