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/*
 * Copyright (c) 2011 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

#include "JingleContentPayloadParser.h"
#include <Swiften/Parser/PayloadParserFactoryCollection.h>
#include <Swiften/Parser/PayloadParserFactory.h>
#include <Swiften/Elements/JinglePayload.h>

#include <Swiften/Base/Log.h>

namespace Swift {
	JingleContentPayloadParser::JingleContentPayloadParser(PayloadParserFactoryCollection* factories) : factories(factories), level(0) {
		
	}
	
	void JingleContentPayloadParser::handleStartElement(const std::string& element, const std::string& ns, const AttributeMap& attributes) {
		if (level == 0) {
			std::string creator = attributes.getAttributeValue("creator").get_value_or("");
			if (creator == "initiator") {
				getPayloadInternal()->setCreator(JingleContentPayload::InitiatorCreator);
			} else if (creator == "responder") {
				getPayloadInternal()->setCreator(JingleContentPayload::ResponderCreator);
			} else {
				getPayloadInternal()->setCreator(JingleContentPayload::UnknownCreator);
			}
			
			getPayloadInternal()->setName(attributes.getAttributeValue("name").get_value_or(""));
		}
		
		if (level == 1) {
			PayloadParserFactory* payloadParserFactory = factories->getPayloadParserFactory(element, ns, attributes);
			if (payloadParserFactory) {
				currentPayloadParser.reset(payloadParserFactory->createPayloadParser());
			}
		}
		
		if (level >= 1 && currentPayloadParser) {
			currentPayloadParser->handleStartElement(element, ns, attributes);
		}
		
		++level;
	}
	
	void JingleContentPayloadParser::handleEndElement(const std::string& element, const std::string& ns) {
		--level;
		
		if (currentPayloadParser) { 
			if (level >= 1) {
				currentPayloadParser->handleEndElement(element, ns);
			}
			
			if (level == 1) {
				boost::shared_ptr<JingleTransportPayload> transport = boost::dynamic_pointer_cast<JingleTransportPayload>(currentPayloadParser->getPayload());
				if (transport) {
					getPayloadInternal()->addTransport(transport);
				}
				
				boost::shared_ptr<JingleDescription> description = boost::dynamic_pointer_cast<JingleDescription>(currentPayloadParser->getPayload());
				if (description) {
					getPayloadInternal()->addDescription(description);
				}
			}
		}
	}
	
	void JingleContentPayloadParser::handleCharacterData(const std::string& data) {
		if (level > 1 && currentPayloadParser) {
			currentPayloadParser->handleCharacterData(data);
		}
	}
}