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-rw-r--r--src/PlaylistPrint.cxx193
1 files changed, 193 insertions, 0 deletions
diff --git a/src/PlaylistPrint.cxx b/src/PlaylistPrint.cxx
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+++ 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;
+}