mpd/src/PlaylistDatabase.cxx

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/*
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* Copyright 2003-2019 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.
*/
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#include "PlaylistDatabase.hxx"
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#include "db/PlaylistVector.hxx"
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#include "fs/io/TextFile.hxx"
#include "fs/io/BufferedOutputStream.hxx"
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#include "time/ChronoUtil.hxx"
#include "util/StringStrip.hxx"
#include "util/RuntimeError.hxx"
#include <string.h>
#include <stdlib.h>
void
playlist_vector_save(BufferedOutputStream &os, const PlaylistVector &pv)
{
for (const PlaylistInfo &pi : pv) {
os.Format(PLAYLIST_META_BEGIN "%s\n", pi.name.c_str());
if (!IsNegative(pi.mtime))
os.Format("mtime: %li\n",
(long)std::chrono::system_clock::to_time_t(pi.mtime));
os.Write("playlist_end\n");
}
}
void
playlist_metadata_load(TextFile &file, PlaylistVector &pv, const char *name)
{
PlaylistInfo pm(name);
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char *line, *colon;
const char *value;
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while ((line = file.ReadLine()) != nullptr &&
strcmp(line, "playlist_end") != 0) {
colon = strchr(line, ':');
if (colon == nullptr || colon == line)
throw FormatRuntimeError("unknown line in db: %s",
line);
*colon++ = 0;
value = StripLeft(colon);
if (strcmp(line, "mtime") == 0)
pm.mtime = std::chrono::system_clock::from_time_t(strtol(value, nullptr, 10));
else
throw FormatRuntimeError("unknown line in db: %s",
line);
}
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pv.UpdateOrInsert(std::move(pm));
}