96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2008 Viliam Mateicka <viliam.mateicka@gmail.com>
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef MPD_ARCHIVE_API_H
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#define MPD_ARCHIVE_API_H
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/*
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* This is the public API which is used by archive plugins to
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* provide transparent archive decompression layer for mpd
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*
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*/
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#include "archive_internal.h"
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#include "input_stream.h"
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#include <stdbool.h>
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struct archive_file;
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struct archive_plugin {
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const char *name;
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/**
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* optional, set this to NULL if the archive plugin doesn't
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* have/need one this must false if there is an error and
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* true otherwise
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*/
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bool (*init)(void);
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/**
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* optional, set this to NULL if the archive plugin doesn't
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* have/need one
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*/
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void (*finish)(void);
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/**
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* tryes to open archive file and associates handle with archive
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* returns pointer to handle used is all operations with this archive
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* or NULL when opening fails
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*/
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struct archive_file *(*open)(char * pathname);
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/**
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* reset routine will move current read index in archive to default
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* position and then the filenames from archives can be read
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* via scan_next routine
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*/
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void (*scan_reset)(struct archive_file *);
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/**
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* the read method will return corresponding files from archive
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* (as pathnames) and move read index to next file. When there is no
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* next file it return NULL.
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*/
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char *(*scan_next)(struct archive_file *);
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/**
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* Opens an input_stream of a file within the archive.
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*
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* @param path the path within the archive
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*/
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bool (*open_stream)(struct archive_file *, struct input_stream *is,
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const char *path);
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/**
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* closes archive file.
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*/
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void (*close)(struct archive_file *);
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/**
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* suffixes handled by this plugin.
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* last element in these arrays must always be a NULL
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*/
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const char *const*suffixes;
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};
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bool archive_lookup(char *pathname, char **archive, char **inpath, char **suffix);
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#endif
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