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/*
* Copyright (C) 2003-2014 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 "DatabasePrint.hxx"
#include "Selection.hxx"
#include "SongFilter.hxx"
#include "SongPrint.hxx"
#include "TimePrint.hxx"
#include "client/Client.hxx"
#include "tag/Tag.hxx"
#include "LightSong.hxx"
#include "LightDirectory.hxx"
#include "PlaylistInfo.hxx"
#include "Interface.hxx"
#include "fs/Traits.hxx"
#include <functional>
static const char *
ApplyBaseFlag(const char *uri, bool base)
{
if (base)
uri = PathTraitsUTF8::GetBase(uri);
return uri;
}
static void
PrintDirectoryURI(Client &client, bool base, const LightDirectory &directory)
{
client_printf(client, "directory: %s\n",
ApplyBaseFlag(directory.GetPath(), base));
}
static bool
PrintDirectoryBrief(Client &client, bool base, const LightDirectory &directory)
{
if (!directory.IsRoot())
PrintDirectoryURI(client, base, directory);
return true;
}
static bool
PrintDirectoryFull(Client &client, bool base, const LightDirectory &directory)
{
if (!directory.IsRoot()) {
PrintDirectoryURI(client, base, directory);
if (directory.mtime > 0)
time_print(client, "Last-Modified", directory.mtime);
}
return true;
}
static void
print_playlist_in_directory(Client &client, bool base,
const char *directory,
const char *name_utf8)
{
if (base || directory == nullptr)
client_printf(client, "playlist: %s\n",
ApplyBaseFlag(name_utf8, base));
else
client_printf(client, "playlist: %s/%s\n",
directory, name_utf8);
}
static void
print_playlist_in_directory(Client &client, bool base,
const LightDirectory *directory,
const char *name_utf8)
{
if (base || directory == nullptr || directory->IsRoot())
client_printf(client, "playlist: %s\n", name_utf8);
else
client_printf(client, "playlist: %s/%s\n",
directory->GetPath(), name_utf8);
}
static bool
PrintSongBrief(Client &client, bool base, const LightSong &song)
{
song_print_uri(client, song, base);
if (song.tag->has_playlist)
/* this song file has an embedded CUE sheet */
print_playlist_in_directory(client, base,
song.directory, song.uri);
return true;
}
static bool
PrintSongFull(Client &client, bool base, const LightSong &song)
{
song_print_info(client, song, base);
if (song.tag->has_playlist)
/* this song file has an embedded CUE sheet */
print_playlist_in_directory(client, base,
song.directory, song.uri);
return true;
}
static bool
PrintPlaylistBrief(Client &client, bool base,
const PlaylistInfo &playlist,
const LightDirectory &directory)
{
print_playlist_in_directory(client, base,
&directory, playlist.name.c_str());
return true;
}
static bool
PrintPlaylistFull(Client &client, bool base,
const PlaylistInfo &playlist,
const LightDirectory &directory)
{
print_playlist_in_directory(client, base,
&directory, playlist.name.c_str());
if (playlist.mtime > 0)
time_print(client, "Last-Modified", playlist.mtime);
return true;
}
bool
db_selection_print(Client &client, const DatabaseSelection &selection,
bool full, bool base,
unsigned window_start, unsigned window_end,
Error &error)
{
const Database *db = client.GetDatabase(error);
if (db == nullptr)
return false;
unsigned i = 0;
using namespace std::placeholders;
const auto d = selection.filter == nullptr
? std::bind(full ? PrintDirectoryFull : PrintDirectoryBrief,
std::ref(client), base, _1)
: VisitDirectory();
VisitSong s = std::bind(full ? PrintSongFull : PrintSongBrief,
std::ref(client), base, _1);
const auto p = selection.filter == nullptr
? std::bind(full ? PrintPlaylistFull : PrintPlaylistBrief,
std::ref(client), base, _1, _2)
: VisitPlaylist();
if (window_start > 0 ||
window_end < (unsigned)std::numeric_limits<int>::max())
s = [s, window_start, window_end, &i](const LightSong &song,
Error &error2){
const bool in_window = i >= window_start && i < window_end;
++i;
return !in_window || s(song, error2);
};
return db->Visit(selection, d, s, p, error);
}
bool
db_selection_print(Client &client, const DatabaseSelection &selection,
bool full, bool base,
Error &error)
{
return db_selection_print(client, selection, full, base,
0, std::numeric_limits<int>::max(),
error);
}
static bool
PrintSongURIVisitor(Client &client, const LightSong &song)
{
song_print_uri(client, song);
return true;
}
static bool
PrintUniqueTag(Client &client, TagType tag_type,
const Tag &tag)
{
const char *value = tag.GetValue(tag_type);
assert(value != nullptr);
client_printf(client, "%s: %s\n", tag_item_names[tag_type], value);
for (const auto &item : tag)
if (item.type != tag_type)
client_printf(client, "%s: %s\n",
tag_item_names[item.type], item.value);
return true;
}
bool
PrintUniqueTags(Client &client, unsigned type, uint32_t group_mask,
const SongFilter *filter,
Error &error)
{
const Database *db = client.GetDatabase(error);
if (db == nullptr)
return false;
const DatabaseSelection selection("", true, filter);
if (type == LOCATE_TAG_FILE_TYPE) {
using namespace std::placeholders;
const auto f = std::bind(PrintSongURIVisitor,
std::ref(client), _1);
return db->Visit(selection, f, error);
} else {
assert(type < TAG_NUM_OF_ITEM_TYPES);
using namespace std::placeholders;
const auto f = std::bind(PrintUniqueTag, std::ref(client),
(TagType)type, _1);
return db->VisitUniqueTags(selection, (TagType)type,
group_mask,
f, error);
}
}
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