2009-03-13 18:43:16 +01:00
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/*
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2016-02-26 17:54:05 +01:00
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* Copyright 2003-2016 The Music Player Daemon Project
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2009-03-13 18:43:16 +01:00
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* http://www.musicpd.org
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2008-09-07 13:35:01 +02:00
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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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2009-03-13 18:43:16 +01:00
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2008-09-07 13:35:01 +02:00
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*/
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2009-11-12 09:12:38 +01:00
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#include "config.h"
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2013-01-02 19:52:57 +01:00
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#include "SongSave.hxx"
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2014-02-26 09:17:41 +01:00
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#include "db/plugins/simple/Song.hxx"
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2014-01-07 21:39:47 +01:00
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#include "DetachedSong.hxx"
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2013-01-02 19:52:57 +01:00
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#include "TagSave.hxx"
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2014-08-07 18:35:57 +02:00
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#include "fs/io/TextFile.hxx"
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#include "fs/io/BufferedOutputStream.hxx"
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2013-09-05 18:22:02 +02:00
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#include "tag/Tag.hxx"
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2013-09-05 18:59:19 +02:00
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#include "tag/TagBuilder.hxx"
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2013-04-09 01:08:20 +02:00
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#include "util/StringUtil.hxx"
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2013-08-10 18:02:44 +02:00
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#include "util/Error.hxx"
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#include "util/Domain.hxx"
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2009-03-15 18:23:00 +01:00
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2013-10-02 08:11:58 +02:00
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#include <string.h>
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2013-11-11 08:17:29 +01:00
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#include <stdlib.h>
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2009-01-03 14:52:56 +01:00
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2009-11-04 18:43:16 +01:00
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#define SONG_MTIME "mtime"
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2009-11-01 17:51:29 +01:00
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#define SONG_END "song_end"
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2008-09-07 13:35:01 +02:00
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2013-08-10 18:02:44 +02:00
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static constexpr Domain song_save_domain("song_save");
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2009-07-05 08:29:52 +02:00
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2014-01-07 21:39:47 +01:00
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static void
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2014-07-30 20:58:14 +02:00
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range_save(BufferedOutputStream &os, unsigned start_ms, unsigned end_ms)
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2014-01-07 21:39:47 +01:00
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{
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if (end_ms > 0)
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2014-07-30 20:58:14 +02:00
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os.Format("Range: %u-%u\n", start_ms, end_ms);
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2014-01-07 21:39:47 +01:00
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else if (start_ms > 0)
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2014-07-30 20:58:14 +02:00
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os.Format("Range: %u-\n", start_ms);
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2014-01-07 21:39:47 +01:00
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}
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2010-07-25 12:21:47 +02:00
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void
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2014-07-30 20:58:14 +02:00
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song_save(BufferedOutputStream &os, const Song &song)
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2008-09-07 13:36:05 +02:00
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{
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2014-07-30 20:58:14 +02:00
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os.Format(SONG_BEGIN "%s\n", song.uri);
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2008-09-07 13:36:05 +02:00
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2014-08-28 12:49:29 +02:00
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range_save(os, song.start_time.ToMS(), song.end_time.ToMS());
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2010-07-25 12:09:28 +02:00
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2014-07-30 20:58:14 +02:00
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tag_save(os, song.tag);
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2008-10-07 22:10:42 +02:00
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2014-07-30 20:58:14 +02:00
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os.Format(SONG_MTIME ": %li\n", (long)song.mtime);
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os.Format(SONG_END "\n");
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2010-07-25 12:21:47 +02:00
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}
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2008-10-07 22:10:42 +02:00
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2014-01-07 21:39:47 +01:00
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void
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2014-07-30 20:58:14 +02:00
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song_save(BufferedOutputStream &os, const DetachedSong &song)
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2014-01-07 21:39:47 +01:00
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{
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2014-07-30 20:58:14 +02:00
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os.Format(SONG_BEGIN "%s\n", song.GetURI());
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2014-01-07 21:39:47 +01:00
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2014-08-28 06:54:19 +02:00
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range_save(os, song.GetStartTime().ToMS(), song.GetEndTime().ToMS());
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2014-01-07 21:39:47 +01:00
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2014-07-30 20:58:14 +02:00
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tag_save(os, song.GetTag());
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2014-01-07 21:39:47 +01:00
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2014-07-30 20:58:14 +02:00
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os.Format(SONG_MTIME ": %li\n", (long)song.GetLastModified());
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os.Format(SONG_END "\n");
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2014-01-07 21:39:47 +01:00
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}
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DetachedSong *
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song_load(TextFile &file, const char *uri,
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2013-08-10 18:02:44 +02:00
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Error &error)
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2008-09-07 13:35:01 +02:00
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{
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2014-01-07 21:39:47 +01:00
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DetachedSong *song = new DetachedSong(uri);
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2008-09-07 13:35:01 +02:00
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2013-09-05 18:59:19 +02:00
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TagBuilder tag;
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2014-01-08 23:10:24 +01:00
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char *line;
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2013-10-19 18:19:03 +02:00
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while ((line = file.ReadLine()) != nullptr &&
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2009-11-01 15:54:06 +01:00
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strcmp(line, SONG_END) != 0) {
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2014-01-08 23:10:24 +01:00
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char *colon = strchr(line, ':');
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2013-10-19 18:19:03 +02:00
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if (colon == nullptr || colon == line) {
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2014-01-07 21:39:47 +01:00
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delete song;
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2009-11-04 18:43:16 +01:00
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2013-08-10 18:02:44 +02:00
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error.Format(song_save_domain,
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"unknown line in db: %s", line);
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2013-10-19 18:19:03 +02:00
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return nullptr;
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2009-11-04 18:43:16 +01:00
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}
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*colon++ = 0;
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2014-08-07 14:53:07 +02:00
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const char *value = StripLeft(colon);
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2009-11-04 18:43:16 +01:00
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2014-01-08 23:10:24 +01:00
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TagType type;
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2009-11-04 18:47:42 +01:00
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if ((type = tag_name_parse(line)) != TAG_NUM_OF_ITEM_TYPES) {
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2013-09-05 18:59:19 +02:00
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tag.AddItem(type, value);
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2009-11-04 18:43:16 +01:00
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} else if (strcmp(line, "Time") == 0) {
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2014-08-29 12:14:27 +02:00
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tag.SetDuration(SignedSongTime::FromS(atof(value)));
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2012-02-12 18:19:12 +01:00
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} else if (strcmp(line, "Playlist") == 0) {
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2013-09-05 18:59:19 +02:00
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tag.SetHasPlaylist(strcmp(value, "yes") == 0);
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2009-11-04 18:43:16 +01:00
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} else if (strcmp(line, SONG_MTIME) == 0) {
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2014-01-07 21:39:47 +01:00
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song->SetLastModified(atoi(value));
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2010-07-25 12:09:28 +02:00
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} else if (strcmp(line, "Range") == 0) {
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char *endptr;
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2014-01-07 21:39:47 +01:00
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unsigned start_ms = strtoul(value, &endptr, 10);
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unsigned end_ms = *endptr == '-'
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? strtoul(endptr + 1, nullptr, 10)
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: 0;
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2014-08-28 06:54:19 +02:00
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song->SetStartTime(SongTime::FromMS(start_ms));
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song->SetEndTime(SongTime::FromMS(end_ms));
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2009-07-05 08:29:52 +02:00
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} else {
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2014-01-07 21:39:47 +01:00
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delete song;
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2009-11-01 17:51:32 +01:00
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2013-08-10 18:02:44 +02:00
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error.Format(song_save_domain,
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"unknown line in db: %s", line);
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2013-10-19 18:19:03 +02:00
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return nullptr;
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2008-09-07 13:35:01 +02:00
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}
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}
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2014-01-07 21:39:47 +01:00
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song->SetTag(tag.Commit());
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2009-11-01 17:51:29 +01:00
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return song;
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2008-09-07 13:35:01 +02:00
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}
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