1 files changed, 133 insertions, 0 deletions
diff --git a/src/db/upnp/Device.cxx b/src/db/upnp/Device.cxx
new file mode 100644
index 000000000..e668f839a
--- /dev/null
+++ b/src/db/upnp/Device.cxx
@@ -0,0 +1,133 @@
+/*
+ * 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 "Device.hxx"
+#include "Util.hxx"
+#include "Expat.hxx"
+#include "util/Error.hxx"
+
+#include <stdlib.h>
+
+#include <string.h>
+
+/**
+ * An XML parser which constructs an UPnP device object from the
+ * device descriptor.
+ */
+class UPnPDeviceParser final : public CommonExpatParser {
+	UPnPDevice &m_device;
+	std::vector<std::string> m_path;
+	UPnPService m_tservice;
+
+public:
+	UPnPDeviceParser(UPnPDevice& device)
+		:m_device(device) {}
+
+protected:
+	virtual void StartElement(const XML_Char *name, const XML_Char **) {
+		m_path.push_back(name);
+	}
+
+	virtual void EndElement(const XML_Char *name) {
+		if (!strcmp(name, "service")) {
+			m_device.services.push_back(m_tservice);
+			m_tservice.clear();
+		}
+
+		m_path.pop_back();
+	}
+
+	virtual void CharacterData(const XML_Char *s, int len) {
+		const auto &current = m_path.back();
+		std::string str = trimstring(s, len);
+		switch (current[0]) {
+		case 'c':
+			if (!current.compare("controlURL"))
+				m_tservice.controlURL = std::move(str);
+			break;
+		case 'd':
+			if (!current.compare("deviceType"))
+				m_device.deviceType = std::move(str);
+			break;
+		case 'e':
+			if (!current.compare("eventSubURL"))
+				m_tservice.eventSubURL = std::move(str);
+			break;
+		case 'f':
+			if (!current.compare("friendlyName"))
+				m_device.friendlyName = std::move(str);
+			break;
+		case 'm':
+			if (!current.compare("manufacturer"))
+				m_device.manufacturer = std::move(str);
+			else if (!current.compare("modelName"))
+				m_device.modelName = std::move(str);
+			break;
+		case 's':
+			if (!current.compare("serviceType"))
+				m_tservice.serviceType = std::move(str);
+			else if (!current.compare("serviceId"))
+				m_tservice.serviceId = std::move(str);
+		case 'S':
+			if (!current.compare("SCPDURL"))
+				m_tservice.SCPDURL = std::move(str);
+			break;
+		case 'U':
+			if (!current.compare("UDN"))
+				m_device.UDN = std::move(str);
+			else if (!current.compare("URLBase"))
+				m_device.URLBase = std::move(str);
+			break;
+		}
+	}
+};
+
+bool
+UPnPDevice::Parse(const std::string &url, const char *description,
+		  Error &error)
+{
+	{
+		UPnPDeviceParser mparser(*this);
+		if (!mparser.Parse(description, strlen(description),
+				   true, error))
+			return false;
+	}
+
+	if (URLBase.empty()) {
+		// The standard says that if the URLBase value is empty, we should use
+		// the url the description was retrieved from. However this is
+		// sometimes something like http://host/desc.xml, sometimes something
+		// like http://host/
+
+		if (url.size() < 8) {
+			// ???
+			URLBase = url;
+		} else {
+			auto hostslash = url.find_first_of("/", 7);
+			if (hostslash == std::string::npos || hostslash == url.size()-1) {
+				URLBase = url;
+			} else {
+				URLBase = path_getfather(url);
+			}
+		}
+	}
+
+	return true;
+}