From 0bc8c0c1da4490aad502dddbbc7c60564c4083a7 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Wed, 16 Dec 2009 16:28:26 +0100 Subject: archive_plugin: wrap method calls Make archive_file a "real" struct, extended by all plugins. Add the plugin pointer to it. Wrap all method calls in functions. --- src/archive_plugin.c | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 src/archive_plugin.c (limited to 'src/archive_plugin.c') diff --git a/src/archive_plugin.c b/src/archive_plugin.c new file mode 100644 index 000000000..2626c53fb --- /dev/null +++ b/src/archive_plugin.c @@ -0,0 +1,87 @@ +/* + * 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. + */ + +#include "archive_plugin.h" +#include "archive_internal.h" + +#include + +struct archive_file * +archive_file_open(const struct archive_plugin *plugin, const char *path) +{ + struct archive_file *file; + + assert(plugin != NULL); + assert(plugin->open != NULL); + assert(path != NULL); + + file = plugin->open(path); + + if (file != NULL) { + assert(file->plugin != NULL); + assert(file->plugin->close != NULL); + assert(file->plugin->scan_reset != NULL); + assert(file->plugin->scan_next != NULL); + assert(file->plugin->open_stream != NULL); + } + + return file; +} + +void +archive_file_close(struct archive_file *file) +{ + assert(file != NULL); + assert(file->plugin != NULL); + assert(file->plugin->close != NULL); + + file->plugin->close(file); +} + +void +archive_file_scan_reset(struct archive_file *file) +{ + assert(file != NULL); + assert(file->plugin != NULL); + assert(file->plugin->scan_reset != NULL); + assert(file->plugin->scan_next != NULL); + + file->plugin->scan_reset(file); +} + +char * +archive_file_scan_next(struct archive_file *file) +{ + assert(file != NULL); + assert(file->plugin != NULL); + assert(file->plugin->scan_next != NULL); + + return file->plugin->scan_next(file); +} + +bool +archive_file_open_stream(struct archive_file *file, struct input_stream *is, + const char *path, GError **error_r) +{ + assert(file != NULL); + assert(file->plugin != NULL); + assert(file->plugin->open_stream != NULL); + + return file->plugin->open_stream(file, is, path, error_r); +} -- cgit v1.2.3