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/*
* Copyright 2003-2017 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 "PlaylistSong.hxx"
#include "SongLoader.hxx"
#include "tag/Tag.hxx"
#include "tag/TagBuilder.hxx"
#include "fs/Traits.hxx"
#include "util/UriUtil.hxx"
#include "DetachedSong.hxx"
#include <stdexcept>
#include <string.h>
static void
merge_song_metadata(DetachedSong &add, const DetachedSong &base)
{
if (base.GetTag().IsDefined()) {
TagBuilder builder(add.GetTag());
builder.Complement(base.GetTag());
add.SetTag(builder.Commit());
}
add.SetLastModified(base.GetLastModified());
}
static bool
playlist_check_load_song(DetachedSong &song, const SongLoader &loader)
{
DetachedSong *tmp;
try {
tmp = loader.LoadSong(song.GetURI());
} catch (const std::runtime_error &) {
return false;
}
if (tmp == nullptr)
return false;
song.SetURI(tmp->GetURI());
if (!song.HasRealURI() && tmp->HasRealURI())
song.SetRealURI(tmp->GetRealURI());
merge_song_metadata(song, *tmp);
delete tmp;
return true;
}
bool
playlist_check_translate_song(DetachedSong &song, const char *base_uri,
const SongLoader &loader)
{
if (base_uri != nullptr && strcmp(base_uri, ".") == 0)
/* PathTraitsUTF8::GetParent() returns "." when there
is no directory name in the given path; clear that
now, because it would break the database lookup
functions */
base_uri = nullptr;
const char *uri = song.GetURI();
if (base_uri != nullptr && !uri_has_scheme(uri) &&
!PathTraitsUTF8::IsAbsolute(uri))
song.SetURI(PathTraitsUTF8::Build(base_uri, uri));
return playlist_check_load_song(song, loader);
}
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