Database*: move to db/
This commit is contained in:
Max Kellermann
250
src/db/DatabasePrint.cxx
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250
src/db/DatabasePrint.cxx
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/*
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "DatabasePrint.hxx"
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#include "Selection.hxx"
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#include "SongFilter.hxx"
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#include "SongPrint.hxx"
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#include "TimePrint.hxx"
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#include "client/Client.hxx"
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#include "tag/Tag.hxx"
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#include "LightSong.hxx"
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#include "LightDirectory.hxx"
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#include "PlaylistInfo.hxx"
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#include "DatabaseGlue.hxx"
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#include "DatabasePlugin.hxx"
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#include <functional>
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static bool
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PrintDirectoryBrief(Client &client, const LightDirectory &directory)
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{
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if (!directory.IsRoot())
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client_printf(client, "directory: %s\n", directory.GetPath());
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return true;
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}
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static bool
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PrintDirectoryFull(Client &client, const LightDirectory &directory)
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{
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if (!directory.IsRoot()) {
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client_printf(client, "directory: %s\n", directory.GetPath());
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if (directory.mtime > 0)
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time_print(client, "Last-Modified", directory.mtime);
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}
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return true;
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}
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static void
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print_playlist_in_directory(Client &client,
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const char *directory,
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const char *name_utf8)
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{
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if (directory == nullptr)
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client_printf(client, "playlist: %s\n", name_utf8);
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else
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client_printf(client, "playlist: %s/%s\n",
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directory, name_utf8);
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}
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static void
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print_playlist_in_directory(Client &client,
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const LightDirectory *directory,
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const char *name_utf8)
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{
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if (directory == nullptr || directory->IsRoot())
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client_printf(client, "playlist: %s\n", name_utf8);
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else
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client_printf(client, "playlist: %s/%s\n",
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directory->GetPath(), name_utf8);
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}
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static bool
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PrintSongBrief(Client &client, const LightSong &song)
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{
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song_print_uri(client, song);
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if (song.tag->has_playlist)
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/* this song file has an embedded CUE sheet */
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print_playlist_in_directory(client, song.directory, song.uri);
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return true;
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}
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static bool
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PrintSongFull(Client &client, const LightSong &song)
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{
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song_print_info(client, song);
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if (song.tag->has_playlist)
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/* this song file has an embedded CUE sheet */
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print_playlist_in_directory(client, song.directory, song.uri);
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return true;
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}
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static bool
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PrintPlaylistBrief(Client &client,
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const PlaylistInfo &playlist,
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const LightDirectory &directory)
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{
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print_playlist_in_directory(client, &directory, playlist.name.c_str());
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return true;
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}
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static bool
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PrintPlaylistFull(Client &client,
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const PlaylistInfo &playlist,
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const LightDirectory &directory)
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{
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print_playlist_in_directory(client, &directory, playlist.name.c_str());
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if (playlist.mtime > 0)
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time_print(client, "Last-Modified", playlist.mtime);
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return true;
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}
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bool
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db_selection_print(Client &client, const DatabaseSelection &selection,
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bool full, Error &error)
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{
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const Database *db = GetDatabase(error);
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if (db == nullptr)
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return false;
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using namespace std::placeholders;
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const auto d = selection.filter == nullptr
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? std::bind(full ? PrintDirectoryFull : PrintDirectoryBrief,
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std::ref(client), _1)
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: VisitDirectory();
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const auto s = std::bind(full ? PrintSongFull : PrintSongBrief,
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std::ref(client), _1);
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const auto p = selection.filter == nullptr
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? std::bind(full ? PrintPlaylistFull : PrintPlaylistBrief,
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std::ref(client), _1, _2)
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: VisitPlaylist();
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return db->Visit(selection, d, s, p, error);
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}
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struct SearchStats {
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int numberOfSongs;
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unsigned long playTime;
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};
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static void printSearchStats(Client &client, SearchStats *stats)
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{
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client_printf(client, "songs: %i\n", stats->numberOfSongs);
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client_printf(client, "playtime: %li\n", stats->playTime);
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}
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static bool
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stats_visitor_song(SearchStats &stats, const LightSong &song)
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{
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stats.numberOfSongs++;
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stats.playTime += song.GetDuration();
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return true;
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}
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bool
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searchStatsForSongsIn(Client &client, const char *name,
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const SongFilter *filter,
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Error &error)
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{
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const Database *db = GetDatabase(error);
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if (db == nullptr)
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return false;
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const DatabaseSelection selection(name, true, filter);
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SearchStats stats;
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stats.numberOfSongs = 0;
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stats.playTime = 0;
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using namespace std::placeholders;
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const auto f = std::bind(stats_visitor_song, std::ref(stats),
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_1);
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if (!db->Visit(selection, f, error))
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return false;
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printSearchStats(client, &stats);
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return true;
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}
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bool
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printAllIn(Client &client, const char *uri_utf8, Error &error)
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{
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const DatabaseSelection selection(uri_utf8, true);
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return db_selection_print(client, selection, false, error);
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}
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bool
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printInfoForAllIn(Client &client, const char *uri_utf8,
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Error &error)
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{
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const DatabaseSelection selection(uri_utf8, true);
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return db_selection_print(client, selection, true, error);
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}
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static bool
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PrintSongURIVisitor(Client &client, const LightSong &song)
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{
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song_print_uri(client, song);
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return true;
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}
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static bool
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PrintUniqueTag(Client &client, TagType tag_type,
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const char *value)
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{
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client_printf(client, "%s: %s\n", tag_item_names[tag_type], value);
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return true;
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}
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bool
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listAllUniqueTags(Client &client, int type,
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const SongFilter *filter,
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Error &error)
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{
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const Database *db = GetDatabase(error);
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if (db == nullptr)
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return false;
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const DatabaseSelection selection("", true, filter);
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if (type == LOCATE_TAG_FILE_TYPE) {
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using namespace std::placeholders;
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const auto f = std::bind(PrintSongURIVisitor,
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std::ref(client), _1);
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return db->Visit(selection, f, error);
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} else {
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using namespace std::placeholders;
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const auto f = std::bind(PrintUniqueTag, std::ref(client),
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(TagType)type, _1);
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return db->VisitUniqueTags(selection, (TagType)type,
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f, error);
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}
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}
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