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#pragma once
#include <citygml/citygml.h>
#include <stack>
#include <memory>
namespace citygml {
class Attributes;
class CityGMLLogger;
class DocumentLocation;
class CityGMLFactory;
class ElementParser;
class CityGMLDocumentParser {
public:
CityGMLDocumentParser(const ParserParams& params, std::shared_ptr<CityGMLLogger> logger, std::unique_ptr<TesselatorBase> tesselator);
std::shared_ptr<const CityModel> getModel();
const ParserParams getParserParams() const;
// Methods used by CityGMLElementParser
void setCurrentElementParser(ElementParser* parser);
void removeCurrentElementParser(const ElementParser* caller);
/**
* @brief the current location in the document
*/
virtual const DocumentLocation& getDocumentLocation() const = 0;
virtual ~CityGMLDocumentParser();
protected:
/**
* @brief must be called for each xml element start tag
* @param name the name of the xml element
* @param attributes the attribut data of the xml element
*/
void startElement( const std::string& name, Attributes& attributes);
/**
* @brief must be called for each xml element end tag
* @param name the name of the xml element
* @param characters the character data of the element or empty string if it contains no charcter data
*/
void endElement( const std::string& name, const std::string& characters );
/**
* @brief must be called at the start of the document
*/
void startDocument();
/**
* @brief must be called at the end of the document
*/
void endDocument();
std::shared_ptr<CityGMLLogger> m_logger;
private:
void skipUnknownOrUnexpectedElement(const std::string& name);
bool checkCurrentElementUnownOrUnexpected_start(const std::string& name);
bool checkCurrentElementUnownOrUnexpected_end(const std::string& name);
std::stack<std::shared_ptr<ElementParser> > m_parserStack;
/**
* @brief The currently active parser (the one on which startElement or endElement was called last)
*
* The active parser can remove itself from the stack at any time. Hence we need another shared_ptr reference
* to it so that it does not delete itself when removed from the stack.
*/
std::shared_ptr<ElementParser> m_activeParser;
std::unique_ptr<CityGMLFactory> m_factory;
std::shared_ptr<CityModel> m_rootModel;
ParserParams m_parserParams;
std::unique_ptr<TesselatorBase> m_tesselator;
bool m_currentElementUnknownOrUnexpected;
int m_unknownElementOrUnexpectedElementDepth;
std::string m_unknownElementOrUnexpectedElementName;
};
}
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