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/*
 * Copyright (c) 2010-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swiften/Parser/PayloadParsers/DiscoInfoParser.h>

#include <boost/optional.hpp>

#include <Swiften/Parser/PayloadParsers/FormParser.h>

namespace Swift {

DiscoInfoParser::DiscoInfoParser() : level_(TopLevel), formParser_(NULL) {
}

void DiscoInfoParser::handleStartElement(const std::string& element, const std::string& ns, const AttributeMap& attributes) {
    if (level_ == TopLevel) {
        if (attributes.getAttributeValue("node")) {
            getPayloadInternal()->setNode(*attributes.getAttributeValue("node"));
        }
    }
    else if (level_ == PayloadLevel) {
        if (element == "identity") {
            getPayloadInternal()->addIdentity(DiscoInfo::Identity(attributes.getAttribute("name"), attributes.getAttribute("category"), attributes.getAttribute("type"), attributes.getAttribute("lang", "http://www.w3.org/XML/1998/namespace")));
        }
        else if (element == "feature") {
            getPayloadInternal()->addFeature(attributes.getAttribute("var"));
        }
        else if (element == "x" && ns == "jabber:x:data") {
            assert(!formParser_);
            formParser_ = new FormParser();
        }
    }
    if (formParser_) {
        formParser_->handleStartElement(element, ns, attributes);
    }
    ++level_;
}

void DiscoInfoParser::handleEndElement(const std::string& element, const std::string& ns) {
    --level_;
    if (formParser_) {
        formParser_->handleEndElement(element, ns);
    }
    if (level_ == PayloadLevel && formParser_) {
        getPayloadInternal()->addExtension(formParser_->getPayloadInternal());
        delete formParser_;
        formParser_ = NULL;
    }
}

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

}