1 files changed, 77 insertions, 0 deletions
diff --git a/src/SongLoader.hxx b/src/SongLoader.hxx
new file mode 100644
index 000000000..229703972
--- /dev/null
+++ b/src/SongLoader.hxx
@@ -0,0 +1,77 @@
+/*
+ * 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.
+ */
+
+#ifndef MPD_SONG_LOADER_HXX
+#define MPD_SONG_LOADER_HXX
+
+#include "check.h"
+#include "Compiler.h"
+
+#include <cstddef>
+
+class Client;
+class Database;
+class Storage;
+class DetachedSong;
+class Error;
+
+/**
+ * A utility class that loads a #DetachedSong object by its URI.  If
+ * the URI is an absolute local file, it applies security checks via
+ * Client::AllowFile().  If no #Client pointer was specified, then it
+ * is assumed that all local files are allowed.
+ */
+class SongLoader {
+	const Client *const client;
+
+#ifdef ENABLE_DATABASE
+	const Database *const db;
+	const Storage *const storage;
+#endif
+
+public:
+#ifdef ENABLE_DATABASE
+	explicit SongLoader(const Client &_client);
+	SongLoader(const Database *_db, const Storage *_storage)
+		:client(nullptr), db(_db), storage(_storage) {}
+	SongLoader(const Client &_client, const Database *_db,
+		   const Storage *_storage)
+		:client(&_client), db(_db), storage(_storage) {}
+#else
+	explicit SongLoader(const Client &_client)
+		:client(&_client) {}
+	explicit SongLoader(std::nullptr_t, std::nullptr_t)
+		:client(nullptr) {}
+#endif
+
+#ifdef ENABLE_DATABASE
+	const Storage *GetStorage() const {
+		return storage;
+	}
+#endif
+
+	gcc_nonnull_all
+	DetachedSong *LoadSong(const char *uri_utf8, Error &error) const;
+
+private:
+	gcc_nonnull_all
+	DetachedSong *LoadFile(const char *path_utf8, Error &error) const;
+};
+
+#endif