1 files changed, 99 insertions, 0 deletions
diff --git a/src/playlist/PlaylistQueue.cxx b/src/playlist/PlaylistQueue.cxx
new file mode 100644
index 000000000..b10a26172
--- /dev/null
+++ b/src/playlist/PlaylistQueue.cxx
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2003-2014 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 "PlaylistQueue.hxx"
+#include "PlaylistAny.hxx"
+#include "PlaylistSong.hxx"
+#include "queue/Playlist.hxx"
+#include "SongEnumerator.hxx"
+#include "DetachedSong.hxx"
+#include "thread/Mutex.hxx"
+#include "thread/Cond.hxx"
+#include "fs/Traits.hxx"
+#include "util/Error.hxx"
+
+#ifdef ENABLE_DATABASE
+#include "SongLoader.hxx"
+#endif
+
+bool
+playlist_load_into_queue(const char *uri, SongEnumerator &e,
+			 unsigned start_index, unsigned end_index,
+			 playlist &dest, PlayerControl &pc,
+			 const SongLoader &loader,
+			 Error &error)
+{
+	const std::string base_uri = uri != nullptr
+		? PathTraitsUTF8::GetParent(uri)
+		: std::string(".");
+
+	DetachedSong *song;
+	for (unsigned i = 0;
+	     i < end_index && (song = e.NextSong()) != nullptr;
+	     ++i) {
+		if (i < start_index) {
+			/* skip songs before the start index */
+			delete song;
+			continue;
+		}
+
+		if (!playlist_check_translate_song(*song, base_uri.c_str(),
+						   loader)) {
+			delete song;
+			continue;
+		}
+
+		unsigned id = dest.AppendSong(pc, std::move(*song), error);
+		delete song;
+		if (id == 0)
+			return false;
+	}
+
+	return true;
+}
+
+bool
+playlist_open_into_queue(const char *uri,
+			 unsigned start_index, unsigned end_index,
+			 playlist &dest, PlayerControl &pc,
+			 const SongLoader &loader,
+			 Error &error)
+{
+	Mutex mutex;
+	Cond cond;
+
+	auto playlist = playlist_open_any(uri,
+#ifdef ENABLE_DATABASE
+					  loader.GetStorage(),
+#endif
+					  mutex, cond);
+	if (playlist == nullptr) {
+		error.Set(playlist_domain, int(PlaylistResult::NO_SUCH_LIST),
+			  "No such playlist");
+		return false;
+	}
+
+	bool result =
+		playlist_load_into_queue(uri, *playlist,
+					 start_index, end_index,
+					 dest, pc, loader, error);
+	delete playlist;
+	return result;
+}