/* the Music Player Daemon (MPD) * Copyright (C) 2008 Viliam Mateicka <viliam.mateicka@gmail.com> * This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "input_archive.h" #include "archive_api.h" #include "archive_list.h" #include "input_stream.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 bool input_archive_open(struct input_stream *is, const char *pathname) { const struct archive_plugin *arplug; struct archive_file *file; char *archive, *filename, *suffix, *pname; bool opened; if (pathname[0] != '/') return false; 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 false; } //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 false; } file = arplug->open(archive); //setup fileops opened = arplug->open_stream(file, is, filename); if (!opened) { g_warning("open inarchive file %s failed\n\n",filename); } else { is->ready = true; } g_free(pname); return opened; } const struct input_plugin input_plugin_archive = { .open = input_archive_open, };