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Diffstat (limited to 'src/archive_plugin.h')
-rw-r--r-- | src/archive_plugin.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/archive_plugin.h b/src/archive_plugin.h new file mode 100644 index 000000000..52629f2e1 --- /dev/null +++ b/src/archive_plugin.h @@ -0,0 +1,109 @@ +/* + * Copyright (C) 2003-2009 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. + */ + +#ifndef MPD_ARCHIVE_PLUGIN_H +#define MPD_ARCHIVE_PLUGIN_H + +#include <glib.h> + +#include <stdbool.h> + +struct input_stream; +struct archive_file; + +struct archive_plugin { + const char *name; + + /** + * optional, set this to NULL if the archive plugin doesn't + * have/need one this must false if there is an error and + * true otherwise + */ + bool (*init)(void); + + /** + * optional, set this to NULL if the archive plugin doesn't + * have/need one + */ + void (*finish)(void); + + /** + * tryes to open archive file and associates handle with archive + * returns pointer to handle used is all operations with this archive + * or NULL when opening fails + */ + struct archive_file *(*open)(const char *path_fs, GError **error_r); + + /** + * reset routine will move current read index in archive to default + * position and then the filenames from archives can be read + * via scan_next routine + */ + void (*scan_reset)(struct archive_file *); + + /** + * the read method will return corresponding files from archive + * (as pathnames) and move read index to next file. When there is no + * next file it return NULL. + */ + char *(*scan_next)(struct archive_file *); + + /** + * Opens an input_stream of a file within the archive. + * + * If this function succeeds, then the #input_stream "owns" + * the archive file and will automatically close it. + * + * @param path the path within the archive + * @param error_r location to store the error occuring, or + * NULL to ignore errors + */ + bool (*open_stream)(struct archive_file *, struct input_stream *is, + const char *path, GError **error_r); + + /** + * closes archive file. + */ + void (*close)(struct archive_file *); + + /** + * suffixes handled by this plugin. + * last element in these arrays must always be a NULL + */ + const char *const*suffixes; +}; + +struct archive_file * +archive_file_open(const struct archive_plugin *plugin, const char *path, + GError **error_r); + +void +archive_file_close(struct archive_file *file); + +void +archive_file_scan_reset(struct archive_file *file); + +char * +archive_file_scan_next(struct archive_file *file); + +bool +archive_file_open_stream(struct archive_file *file, struct input_stream *is, + const char *path, GError **error_r); + +#endif |