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