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-rw-r--r--src/playlist_queue.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/src/playlist_queue.c b/src/playlist_queue.c
new file mode 100644
index 000000000..0b4231f59
--- /dev/null
+++ b/src/playlist_queue.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2003-2009 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 "playlist_queue.h"
+#include "playlist_list.h"
+#include "playlist_plugin.h"
+#include "stored_playlist.h"
+#include "mapper.h"
+#include "song.h"
+#include "uri.h"
+#include "ls.h"
+#include "input_stream.h"
+
+/**
+ * Determins if it's allowed to add this song to the playlist. For
+ * safety reasons, we disallow local files.
+ */
+static inline bool
+accept_song(const struct song *song)
+{
+ return !song_is_file(song) && uri_has_scheme(song->uri) &&
+ uri_supported_scheme(song->uri);
+}
+
+enum playlist_result
+playlist_load_into_queue(struct playlist_provider *source,
+ struct playlist *dest)
+{
+ enum playlist_result result;
+ struct song *song;
+
+ while ((song = playlist_plugin_read(source)) != NULL) {
+ if (!accept_song(song)) {
+ song_free(song);
+ continue;
+ }
+
+ result = playlist_append_song(dest, song, NULL);
+ if (result != PLAYLIST_RESULT_SUCCESS) {
+ song_free(song);
+ return result;
+ }
+ }
+
+ return PLAYLIST_RESULT_SUCCESS;
+}
+
+static enum playlist_result
+playlist_open_remote_into_queue(const char *uri, struct playlist *dest)
+{
+ struct playlist_provider *playlist;
+ bool stream = false;
+ struct input_stream is;
+ enum playlist_result result;
+
+ assert(uri_has_scheme(uri));
+
+ playlist = playlist_list_open_uri(uri);
+ if (playlist == NULL) {
+ stream = input_stream_open(&is, uri);
+ if (!stream)
+ return PLAYLIST_RESULT_NO_SUCH_LIST;
+
+ playlist = playlist_list_open_stream(&is, uri);
+ if (playlist == NULL) {
+ input_stream_close(&is);
+ return PLAYLIST_RESULT_NO_SUCH_LIST;
+ }
+ }
+
+ result = playlist_load_into_queue(playlist, dest);
+ playlist_plugin_close(playlist);
+
+ if (stream)
+ input_stream_close(&is);
+
+ return result;
+}
+
+static enum playlist_result
+playlist_open_local_into_queue(const char *uri, struct playlist *dest)
+{
+ struct playlist_provider *playlist;
+ const char *playlist_directory_fs;
+ char *path_fs;
+ struct input_stream is;
+ enum playlist_result result;
+
+ assert(spl_valid_name(uri));
+
+ playlist_directory_fs = map_spl_path();
+ if (playlist_directory_fs == NULL)
+ return PLAYLIST_RESULT_DISABLED;
+
+ path_fs = g_build_filename(playlist_directory_fs, uri, NULL);
+ playlist = playlist_list_open_path(&is, path_fs);
+ g_free(path_fs);
+ if (playlist == NULL)
+ return PLAYLIST_RESULT_NO_SUCH_LIST;
+
+ result = playlist_load_into_queue(playlist, dest);
+ playlist_plugin_close(playlist);
+
+ input_stream_close(&is);
+
+ return result;
+}
+
+enum playlist_result
+playlist_open_into_queue(const char *uri, struct playlist *dest)
+{
+ if (uri_has_scheme(uri))
+ return playlist_open_remote_into_queue(uri, dest);
+ else if (spl_valid_name(uri))
+ return playlist_open_local_into_queue(uri, dest);
+ else
+ return PLAYLIST_RESULT_NO_SUCH_LIST;
+}