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Diffstat (limited to 'src/PlaylistPrint.cxx')
| -rw-r--r-- | src/PlaylistPrint.cxx | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/PlaylistPrint.cxx b/src/PlaylistPrint.cxx new file mode 100644 index 00000000..e79e8773 --- /dev/null +++ b/src/PlaylistPrint.cxx @@ -0,0 +1,193 @@ +/* + * 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 "PlaylistPrint.hxx" +#include "PlaylistFile.hxx" +#include "PlaylistAny.hxx" +#include "PlaylistSong.hxx" +#include "Playlist.hxx" +#include "PlaylistRegistry.hxx" +#include "PlaylistPlugin.hxx" +#include "QueuePrint.hxx" +#include "SongPrint.hxx" +#include "DatabaseGlue.hxx" +#include "DatabasePlugin.hxx" +#include "Client.hxx" +#include "input_stream.h" + +extern "C" { +#include "song.h" +} + +void +playlist_print_uris(Client *client, const struct playlist *playlist) +{ + const struct queue *queue = &playlist->queue; + + queue_print_uris(client, queue, 0, queue->GetLength()); +} + +bool +playlist_print_info(Client *client, const struct playlist *playlist, + unsigned start, unsigned end) +{ + const struct queue *queue = &playlist->queue; + + if (end > queue->GetLength()) + /* correct the "end" offset */ + end = queue->GetLength(); + + if (start > end) + /* an invalid "start" offset is fatal */ + return false; + + queue_print_info(client, queue, start, end); + return true; +} + +bool +playlist_print_id(Client *client, const struct playlist *playlist, + unsigned id) +{ + const struct queue *queue = &playlist->queue; + int position; + + position = queue->IdToPosition(id); + if (position < 0) + /* no such song */ + return false; + + return playlist_print_info(client, playlist, position, position + 1); +} + +bool +playlist_print_current(Client *client, const struct playlist *playlist) +{ + int current_position = playlist->GetCurrentPosition(); + if (current_position < 0) + return false; + + queue_print_info(client, &playlist->queue, + current_position, current_position + 1); + return true; +} + +void +playlist_print_find(Client *client, const struct playlist *playlist, + const SongFilter &filter) +{ + queue_find(client, &playlist->queue, filter); +} + +void +playlist_print_changes_info(Client *client, + const struct playlist *playlist, + uint32_t version) +{ + queue_print_changes_info(client, &playlist->queue, version); +} + +void +playlist_print_changes_position(Client *client, + const struct playlist *playlist, + uint32_t version) +{ + queue_print_changes_position(client, &playlist->queue, version); +} + +static bool +PrintSongDetails(Client *client, const char *uri_utf8) +{ + const Database *db = GetDatabase(nullptr); + if (db == nullptr) + return false; + + song *song = db->GetSong(uri_utf8, nullptr); + if (song == nullptr) + return false; + + song_print_info(client, song); + db->ReturnSong(song); + return true; +} + +bool +spl_print(Client *client, const char *name_utf8, bool detail, + GError **error_r) +{ + GError *error = NULL; + PlaylistFileContents contents = LoadPlaylistFile(name_utf8, &error); + if (contents.empty() && error != nullptr) { + g_propagate_error(error_r, error); + return false; + } + + for (const auto &uri_utf8 : contents) { + if (!detail || !PrintSongDetails(client, uri_utf8.c_str())) + client_printf(client, SONG_FILE "%s\n", + uri_utf8.c_str()); + } + + return true; +} + +static void +playlist_provider_print(Client *client, const char *uri, + struct playlist_provider *playlist, bool detail) +{ + struct song *song; + char *base_uri = uri != NULL ? g_path_get_dirname(uri) : NULL; + + while ((song = playlist_plugin_read(playlist)) != NULL) { + song = playlist_check_translate_song(song, base_uri, false); + if (song == NULL) + continue; + + if (detail) + song_print_info(client, song); + else + song_print_uri(client, song); + + song_free(song); + } + + g_free(base_uri); +} + +bool +playlist_file_print(Client *client, const char *uri, bool detail) +{ + Mutex mutex; + Cond cond; + + struct input_stream *is; + struct playlist_provider *playlist = + playlist_open_any(uri, mutex, cond, &is); + if (playlist == NULL) + return false; + + playlist_provider_print(client, uri, playlist, detail); + playlist_plugin_close(playlist); + + if (is != NULL) + input_stream_close(is); + + return true; +} |