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/*
 * Copyright (c) 2010 Remko Tronçon
 * Licensed under the GNU General Public License v3.
 * See Documentation/Licenses/GPLv3.txt for more information.
 */

#include <Swiften/Parser/PayloadParsers/SecurityLabelsCatalogParser.h>
#include <Swiften/Parser/PayloadParsers/SecurityLabelParserFactory.h>
#include <Swiften/Parser/PayloadParsers/SecurityLabelParser.h>

namespace Swift {

SecurityLabelsCatalogParser::SecurityLabelsCatalogParser() : level_(TopLevel), labelParser_(0) {
	labelParserFactory_ = new SecurityLabelParserFactory();
}

SecurityLabelsCatalogParser::~SecurityLabelsCatalogParser() {
	delete labelParserFactory_;
}

void SecurityLabelsCatalogParser::handleStartElement(const std::string& element, const std::string& ns, const AttributeMap& attributes) {
	++level_;
	if (level_ == PayloadLevel) {
		getPayloadInternal()->setTo(JID(attributes.getAttribute("to")));
		getPayloadInternal()->setName(attributes.getAttribute("name"));
		getPayloadInternal()->setDescription(attributes.getAttribute("desc"));
	}
	else if (level_ == ItemLevel && element == "item" && ns == "urn:xmpp:sec-label:catalog:2") {
		currentItem_ = boost::shared_ptr<SecurityLabelsCatalog::Item>(new SecurityLabelsCatalog::Item());
		currentItem_->setSelector(attributes.getAttribute("selector"));
		currentItem_->setIsDefault(attributes.getBoolAttribute("default", false));
	}
	else if (level_ == LabelLevel) {
		assert(!labelParser_);
		if (labelParserFactory_->canParse(element, ns, attributes)) {
			labelParser_ = dynamic_cast<SecurityLabelParser*>(labelParserFactory_->createPayloadParser());
			assert(labelParser_);
		}
	}

	if (labelParser_) {
		labelParser_->handleStartElement(element, ns, attributes);
	}
}

void SecurityLabelsCatalogParser::handleEndElement(const std::string& element, const std::string& ns) {
	if (labelParser_) {
		labelParser_->handleEndElement(element, ns);
	}
	if (level_ == LabelLevel && labelParser_ && currentItem_) {
		boost::shared_ptr<SecurityLabel> currentLabel = labelParser_->getLabelPayload();
		assert(currentLabel);
		currentItem_->setLabel(currentLabel);
		delete labelParser_;
		labelParser_ = 0;
	}
	else if (level_ == ItemLevel && element == "item" && ns == "urn:xmpp:sec-label:catalog:2") {
		if (currentItem_) {
			getPayloadInternal()->addItem(SecurityLabelsCatalog::Item(*currentItem_));
			currentItem_.reset();
		}
	}
	--level_;
}

void SecurityLabelsCatalogParser::handleCharacterData(const std::string& data) {
	if (labelParser_) {
		labelParser_->handleCharacterData(data);
	}
}

}