UPnP database plugin

[mk: renamed source files, applied coding style, reduced bloat, using
MPD's threading library, using MPD's error reporting and logging
library and refactoring, fixed lots of bugs]

1 files changed, 79 insertions, 0 deletions

diff --git a/src/db/upnp/Object.hxx b/src/db/upnp/Object.hxx
new file mode 100644
index 000000000..c05f39e47
--- /dev/null
+++ b/src/db/upnp/Object.hxx
@@ -0,0 +1,79 @@
+/*
+ * 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_UPNP_OBJECT_HXX
+#define MPD_UPNP_OBJECT_HXX
+
+#include <string>
+#include <map>
+
+/**
+ * UpnP Media Server directory entry, converted from XML data.
+ *
+ * This is a dumb data holder class, a struct with helpers.
+ */
+class UPnPDirObject {
+public:
+	enum ObjType {item, container};
+	// There are actually several kinds of containers:
+	// object.container.storageFolder, object.container.person,
+	// object.container.playlistContainer etc., but they all seem to
+	// behave the same as far as we're concerned. Otoh, musicTrack
+	// items are special to us, and so should playlists, but I've not
+	// seen one of the latter yet (servers seem to use containers for
+	// playlists).
+	enum ItemClass {audioItem_musicTrack, audioItem_playlist};
+
+	std::string m_id; // ObjectId
+	std::string m_pid; // Parent ObjectId
+	std::string m_title; // dc:title. Directory name for a container.
+	ObjType m_type; // item or container
+	ItemClass m_iclass;
+	// Properties as gathered from the XML document (url, artist, etc.)
+	// The map keys are the XML tag or attribute names.
+	std::map<std::string, std::string> m_props;
+
+	/** Get named property
+	 * @param property name (e.g. upnp:artist, upnp:album,
+	 *     upnp:originalTrackNumber, upnp:genre). Use m_title instead
+	 *     for dc:title.
+	 * @param[out] value
+	 * @return true if found.
+	 */
+	bool getprop(const std::string &name, std::string &value) const
+	{
+		auto it = m_props.find(name);
+		if (it == m_props.end())
+			return false;
+		value = it->second;
+		return true;
+	}
+
+	void clear()
+	{
+		m_id.clear();
+		m_pid.clear();
+		m_title.clear();
+		m_type = (ObjType)-1;
+		m_iclass = (ItemClass)-1;
+		m_props.clear();
+	}
+};
+
+#endif /* _UPNPDIRCONTENT_H_X_INCLUDED_ */