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/*
* Copyright (c) 2011 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#pragma once
#include <deque>
#include <boost/shared_ptr.hpp>
#include <boost/smart_ptr/make_shared.hpp>
#include <Swiften/Parser/GenericPayloadParser.h>
#include <Swiften/Parser/Tree/ParserElement.h>
namespace Swift {
/**
* Generic parser offering something a bit like a DOM to work with.
*/
template<typename PAYLOAD_TYPE>
class GenericPayloadTreeParser : public GenericPayloadParser<PAYLOAD_TYPE> {
public:
virtual void handleStartElement(const std::string& element, const std::string& xmlns, const AttributeMap& attributes) {
if (!root_) {
root_ = boost::make_shared<ParserElement>(element, xmlns, attributes);
elementStack_.push_back(root_);
}
else {
ParserElement::ref current = *elementStack_.rbegin();
elementStack_.push_back(current->addChild(element, xmlns, attributes));
}
}
virtual void handleEndElement(const std::string& /*element*/, const std::string&) {
elementStack_.pop_back();
if (elementStack_.empty()) {
handleTree(root_);
}
}
virtual void handleCharacterData(const std::string& data) {
ParserElement::ref current = *elementStack_.rbegin();
current->appendCharacterData(data);
}
virtual void handleTree(ParserElement::ref root) = 0;
private:
std::deque<ParserElement::ref> elementStack_;
ParserElement::ref root_;
};
}
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Swift