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#pragma once
#include <vector>
#include <memory>
#include <functional>
#include "parser/citygmlelementparser.h"
namespace citygml {
/**
* @brief The SequenceParser parses a sequence of elements
*
* The sequence parser can be used if an xml element can contain more than one child elements. If a
* parser finds the start tag of such an element (e.g. <gml:patches>) it can invoke the sequence parser, which
* in turn calls a predefined parser for each child until the end tag of the element is found.
*/
class SequenceParser : public ElementParser {
public:
/**
* @brief initializes the parser for an element that can contain multiple children
* @param documentParser the CityGMLDocumentParser instance
* @param logger a CityGMLLogger logger instance
* @param childParserFactory a factory for the parser for the child elements
* @param parentElement the element that contains the child objects
*/
SequenceParser(CityGMLDocumentParser& documentParser, std::shared_ptr<CityGMLLogger> logger, std::function<ElementParser*()> childParserFactory, const NodeType::XMLNode& parentElement);
// ElementParser interface
virtual bool startElement(const NodeType::XMLNode& node, Attributes& attributes);
virtual bool endElement(const NodeType::XMLNode& node, const std::string& characters);
virtual bool handlesElement(const NodeType::XMLNode& node) const;
virtual std::string elementParserName() const;
private:
std::function<ElementParser*()> m_childParserFactory;
mutable std::unique_ptr<ElementParser> m_childParserInstance;
NodeType::XMLNode m_containerType;
ElementParser& getChildParserDummyInstance() const;
};
}
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