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-rw-r--r--src/DatabasePrint.cxx231
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diff --git a/src/DatabasePrint.cxx b/src/DatabasePrint.cxx
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+/*
+ * Copyright (C) 2003-2013 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 "DatabaseSelection.hxx"
+#include "SongFilter.hxx"
+#include "PlaylistVector.hxx"
+#include "SongPrint.hxx"
+#include "TimePrint.hxx"
+#include "Directory.hxx"
+#include "Client.hxx"
+
+extern "C" {
+#include "song.h"
+#include "tag.h"
+}
+
+#include "DatabaseGlue.hxx"
+#include "DatabasePlugin.hxx"
+
+#include <functional>
+
+static bool
+PrintDirectory(Client *client, const Directory &directory)
+{
+ if (!directory.IsRoot())
+ client_printf(client, "directory: %s\n", directory.GetPath());
+
+ return true;
+}
+
+static void
+print_playlist_in_directory(Client *client,
+ const Directory &directory,
+ const char *name_utf8)
+{
+ if (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, song &song)
+{
+ assert(song.parent != NULL);
+
+ song_print_uri(client, &song);
+
+ if (song.tag != NULL && song.tag->has_playlist)
+ /* this song file has an embedded CUE sheet */
+ print_playlist_in_directory(client, *song.parent, song.uri);
+
+ return true;
+}
+
+static bool
+PrintSongFull(Client *client, song &song)
+{
+ assert(song.parent != NULL);
+
+ song_print_info(client, &song);
+
+ if (song.tag != NULL && song.tag->has_playlist)
+ /* this song file has an embedded CUE sheet */
+ print_playlist_in_directory(client, *song.parent, song.uri);
+
+ return true;
+}
+
+static bool
+PrintPlaylistBrief(Client *client,
+ const PlaylistInfo &playlist,
+ const Directory &directory)
+{
+ print_playlist_in_directory(client, directory, playlist.name.c_str());
+ return true;
+}
+
+static bool
+PrintPlaylistFull(Client *client,
+ const PlaylistInfo &playlist,
+ const Directory &directory)
+{
+ print_playlist_in_directory(client, 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, GError **error_r)
+{
+ const Database *db = GetDatabase(error_r);
+ if (db == nullptr)
+ return false;
+
+ using namespace std::placeholders;
+ const auto d = selection.filter == nullptr
+ ? std::bind(PrintDirectory, client, _1)
+ : VisitDirectory();
+ const auto s = std::bind(full ? PrintSongFull : PrintSongBrief,
+ client, _1);
+ const auto p = selection.filter == nullptr
+ ? std::bind(full ? PrintPlaylistFull : PrintPlaylistBrief,
+ client, _1, _2)
+ : VisitPlaylist();
+
+ return db->Visit(selection, d, s, p, error_r);
+}
+
+struct SearchStats {
+ int numberOfSongs;
+ unsigned long playTime;
+};
+
+static void printSearchStats(Client *client, SearchStats *stats)
+{
+ client_printf(client, "songs: %i\n", stats->numberOfSongs);
+ client_printf(client, "playtime: %li\n", stats->playTime);
+}
+
+static bool
+stats_visitor_song(SearchStats &stats, song &song)
+{
+ stats.numberOfSongs++;
+ stats.playTime += song_get_duration(&song);
+
+ return true;
+}
+
+bool
+searchStatsForSongsIn(Client *client, const char *name,
+ const SongFilter *filter,
+ GError **error_r)
+{
+ const Database *db = GetDatabase(error_r);
+ if (db == nullptr)
+ return false;
+
+ const DatabaseSelection selection(name, true, filter);
+
+ SearchStats stats;
+ stats.numberOfSongs = 0;
+ stats.playTime = 0;
+
+ using namespace std::placeholders;
+ const auto f = std::bind(stats_visitor_song, std::ref(stats),
+ _1);
+ if (!db->Visit(selection, f, error_r))
+ return false;
+
+ printSearchStats(client, &stats);
+ return true;
+}
+
+bool
+printAllIn(Client *client, const char *uri_utf8, GError **error_r)
+{
+ const DatabaseSelection selection(uri_utf8, true);
+ return db_selection_print(client, selection, false, error_r);
+}
+
+bool
+printInfoForAllIn(Client *client, const char *uri_utf8,
+ GError **error_r)
+{
+ const DatabaseSelection selection(uri_utf8, true);
+ return db_selection_print(client, selection, true, error_r);
+}
+
+static bool
+PrintSongURIVisitor(Client *client, song &song)
+{
+ song_print_uri(client, &song);
+
+ return true;
+}
+
+static bool
+PrintUniqueTag(Client *client, enum tag_type tag_type,
+ const char *value)
+{
+ client_printf(client, "%s: %s\n", tag_item_names[tag_type], value);
+ return true;
+}
+
+bool
+listAllUniqueTags(Client *client, int type,
+ const SongFilter *filter,
+ GError **error_r)
+{
+ const Database *db = GetDatabase(error_r);
+ 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, client, _1);
+ return db->Visit(selection, f, error_r);
+ } else {
+ using namespace std::placeholders;
+ const auto f = std::bind(PrintUniqueTag, client,
+ (enum tag_type)type, _1);
+ return db->VisitUniqueTags(selection, (enum tag_type)type,
+ f, error_r);
+ }
+}