mpd/src/db/DatabasePrint.cxx

216 lines
5.5 KiB
C++
Raw Normal View History

2011-09-05 23:09:20 +02:00
/*
2019-06-17 11:17:30 +02:00
* Copyright 2003-2019 The Music Player Daemon Project
2011-09-05 23:09:20 +02:00
* 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 "DatabasePrint.hxx"
2014-01-24 16:18:50 +01:00
#include "Selection.hxx"
2013-01-02 20:29:24 +01:00
#include "SongPrint.hxx"
#include "TimePrint.hxx"
#include "TagPrint.hxx"
#include "client/Response.hxx"
#include "protocol/RangeArg.hxx"
#include "Partition.hxx"
#include "song/DetachedSong.hxx"
#include "song/Filter.hxx"
#include "song/LightSong.hxx"
2013-09-05 18:22:02 +02:00
#include "tag/Tag.hxx"
2017-02-07 16:57:16 +01:00
#include "tag/Mask.hxx"
#include "LightDirectory.hxx"
#include "PlaylistInfo.hxx"
2014-02-19 22:54:52 +01:00
#include "Interface.hxx"
#include "fs/Traits.hxx"
2019-05-08 15:47:58 +02:00
#include "time/ChronoUtil.hxx"
#include "util/RecursiveMap.hxx"
2011-09-05 23:09:20 +02:00
2012-08-02 19:04:07 +02:00
#include <functional>
2011-09-05 23:09:20 +02:00
2018-01-21 11:32:01 +01:00
gcc_pure
static const char *
2018-01-21 11:32:01 +01:00
ApplyBaseFlag(const char *uri, bool base) noexcept
{
if (base)
uri = PathTraitsUTF8::GetBase(uri);
return uri;
}
static void
2018-01-21 11:32:01 +01:00
PrintDirectoryURI(Response &r, bool base,
const LightDirectory &directory) noexcept
{
r.Format("directory: %s\n",
ApplyBaseFlag(directory.GetPath(), base));
}
static void
2018-01-21 11:32:01 +01:00
PrintDirectoryBrief(Response &r, bool base,
const LightDirectory &directory) noexcept
2011-09-05 23:09:20 +02:00
{
2013-01-02 23:06:10 +01:00
if (!directory.IsRoot())
PrintDirectoryURI(r, base, directory);
2011-09-05 23:09:20 +02:00
}
static void
2018-01-21 11:32:01 +01:00
PrintDirectoryFull(Response &r, bool base,
const LightDirectory &directory) noexcept
{
if (!directory.IsRoot()) {
PrintDirectoryURI(r, base, directory);
if (!IsNegative(directory.mtime))
time_print(r, "Last-Modified", directory.mtime);
}
}
static void
print_playlist_in_directory(Response &r, bool base,
const char *directory,
2018-01-21 11:32:01 +01:00
const char *name_utf8) noexcept
{
if (base || directory == nullptr)
r.Format("playlist: %s\n",
ApplyBaseFlag(name_utf8, base));
else
r.Format("playlist: %s/%s\n",
directory, name_utf8);
}
static void
print_playlist_in_directory(Response &r, bool base,
const LightDirectory *directory,
2018-01-21 11:32:01 +01:00
const char *name_utf8) noexcept
{
if (base || directory == nullptr || directory->IsRoot())
r.Format("playlist: %s\n", name_utf8);
else
r.Format("playlist: %s/%s\n",
directory->GetPath(), name_utf8);
}
static void
2018-01-21 11:32:01 +01:00
PrintSongBrief(Response &r, bool base, const LightSong &song) noexcept
2011-09-05 23:09:20 +02:00
{
song_print_uri(r, song, base);
if (song.tag.has_playlist)
/* this song file has an embedded CUE sheet */
print_playlist_in_directory(r, base,
song.directory, song.uri);
2011-09-05 23:09:20 +02:00
}
static void
2018-01-21 11:32:01 +01:00
PrintSongFull(Response &r, bool base, const LightSong &song) noexcept
{
song_print_info(r, song, base);
if (song.tag.has_playlist)
/* this song file has an embedded CUE sheet */
print_playlist_in_directory(r, base,
song.directory, song.uri);
}
static void
PrintPlaylistBrief(Response &r, bool base,
const PlaylistInfo &playlist,
2018-01-21 11:32:01 +01:00
const LightDirectory &directory) noexcept
2011-09-13 22:02:37 +02:00
{
print_playlist_in_directory(r, base,
&directory, playlist.name.c_str());
2011-09-13 22:02:37 +02:00
}
static void
PrintPlaylistFull(Response &r, bool base,
const PlaylistInfo &playlist,
2018-01-21 11:32:01 +01:00
const LightDirectory &directory) noexcept
2011-09-13 22:02:37 +02:00
{
print_playlist_in_directory(r, base,
&directory, playlist.name.c_str());
2011-09-13 22:02:37 +02:00
if (!IsNegative(playlist.mtime))
time_print(r, "Last-Modified", playlist.mtime);
2011-09-13 22:02:37 +02:00
}
void
db_selection_print(Response &r, Partition &partition,
const DatabaseSelection &selection,
bool full, bool base)
{
2016-10-26 18:47:19 +02:00
const Database &db = partition.GetDatabaseOrThrow();
2012-08-02 19:04:07 +02:00
using namespace std::placeholders;
2012-08-29 19:27:03 +02:00
const auto d = selection.filter == nullptr
? std::bind(full ? PrintDirectoryFull : PrintDirectoryBrief,
std::ref(r), base, _1)
: VisitDirectory();
VisitSong s = std::bind(full ? PrintSongFull : PrintSongBrief,
std::ref(r), base, _1);
2012-08-29 19:27:03 +02:00
const auto p = selection.filter == nullptr
? std::bind(full ? PrintPlaylistFull : PrintPlaylistBrief,
std::ref(r), base, _1, _2)
: VisitPlaylist();
2012-08-02 19:04:07 +02:00
db.Visit(selection, d, s, p);
}
static void
2018-01-21 11:32:01 +01:00
PrintSongURIVisitor(Response &r, const LightSong &song) noexcept
2011-09-05 23:09:20 +02:00
{
song_print_uri(r, song);
2011-09-05 23:09:20 +02:00
}
2018-07-25 11:18:45 +02:00
void
PrintSongUris(Response &r, Partition &partition,
const SongFilter *filter)
{
const Database &db = partition.GetDatabaseOrThrow();
const DatabaseSelection selection("", true, filter);
using namespace std::placeholders;
const auto f = std::bind(PrintSongURIVisitor,
std::ref(r), _1);
db.Visit(selection, f);
}
static void
PrintUniqueTags(Response &r, ConstBuffer<TagType> tag_types,
const RecursiveMap<std::string> &map) noexcept
2011-09-05 23:09:20 +02:00
{
const char *const name = tag_item_names[tag_types.front()];
tag_types.pop_front();
for (const auto &i : map) {
r.Format("%s: %s\n", name, i.first.c_str());
if (!tag_types.empty())
PrintUniqueTags(r, tag_types, i.second);
}
2011-09-05 23:09:20 +02:00
}
void
PrintUniqueTags(Response &r, Partition &partition,
ConstBuffer<TagType> tag_types,
const SongFilter *filter)
2011-09-05 23:09:20 +02:00
{
2016-10-26 18:47:19 +02:00
const Database &db = partition.GetDatabaseOrThrow();
2012-08-29 19:27:03 +02:00
const DatabaseSelection selection("", true, filter);
2011-09-05 23:09:20 +02:00
PrintUniqueTags(r, tag_types,
db.CollectUniqueTags(selection, tag_types));
2011-09-05 23:09:20 +02:00
}