111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* 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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*
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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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*/
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#include "config.h"
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#include "SongSave.hxx"
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#include "Song.hxx"
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#include "TagSave.hxx"
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#include "Directory.hxx"
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#include "TextFile.hxx"
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#include "tag/Tag.hxx"
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#include "tag/TagBuilder.hxx"
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#include "util/StringUtil.hxx"
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#include "util/Error.hxx"
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#include "util/Domain.hxx"
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#include <string.h>
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#define SONG_MTIME "mtime"
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#define SONG_END "song_end"
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static constexpr Domain song_save_domain("song_save");
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void
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song_save(FILE *fp, const Song &song)
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{
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fprintf(fp, SONG_BEGIN "%s\n", song.uri);
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if (song.end_ms > 0)
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fprintf(fp, "Range: %u-%u\n", song.start_ms, song.end_ms);
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else if (song.start_ms > 0)
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fprintf(fp, "Range: %u-\n", song.start_ms);
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if (song.tag != nullptr)
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tag_save(fp, *song.tag);
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fprintf(fp, SONG_MTIME ": %li\n", (long)song.mtime);
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fprintf(fp, SONG_END "\n");
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}
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Song *
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song_load(TextFile &file, Directory *parent, const char *uri,
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Error &error)
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{
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Song *song = parent != nullptr
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? Song::NewFile(uri, parent)
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: Song::NewRemote(uri);
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char *line, *colon;
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enum tag_type type;
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const char *value;
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TagBuilder tag;
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while ((line = file.ReadLine()) != nullptr &&
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strcmp(line, SONG_END) != 0) {
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colon = strchr(line, ':');
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if (colon == nullptr || colon == line) {
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song->Free();
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error.Format(song_save_domain,
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"unknown line in db: %s", line);
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return nullptr;
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}
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*colon++ = 0;
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value = strchug_fast(colon);
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if ((type = tag_name_parse(line)) != TAG_NUM_OF_ITEM_TYPES) {
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tag.AddItem(type, value);
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} else if (strcmp(line, "Time") == 0) {
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tag.SetTime(atoi(value));
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} else if (strcmp(line, "Playlist") == 0) {
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tag.SetHasPlaylist(strcmp(value, "yes") == 0);
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} else if (strcmp(line, SONG_MTIME) == 0) {
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song->mtime = atoi(value);
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} else if (strcmp(line, "Range") == 0) {
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char *endptr;
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song->start_ms = strtoul(value, &endptr, 10);
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if (*endptr == '-')
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song->end_ms = strtoul(endptr + 1, nullptr, 10);
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} else {
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song->Free();
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error.Format(song_save_domain,
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"unknown line in db: %s", line);
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return nullptr;
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}
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}
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if (tag.IsDefined())
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song->tag = tag.Commit();
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return song;
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}
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