XmlStackedHandler.h

#ifndef XmlStackedHandler_H
#define XmlStackedHandler_H

#include <QXmlSimpleReader>

template <typename T> class QStack;

class QXmlParseException;
namespace Isis {
  class XmlStackedHandlerReader;

  class XmlStackedHandler : public QXmlDefaultHandler {
    public:
      XmlStackedHandler();
      ~XmlStackedHandler();

      virtual void setReader(XmlStackedHandlerReader *);
      void switchToNewHandler(XmlStackedHandler *nextHandler);

      virtual bool startElement(const QString &namespaceURI, const QString &localName,
                                const QString &qName, const QXmlAttributes &atts);

      virtual bool endElement(const QString &namespaceURI, const QString &localName,
                              const QString &qName);

    protected:
      XmlStackedHandlerReader *reader();
      const XmlStackedHandlerReader *reader() const;
      bool fatalError(const QXmlParseException &exception);

    private:
      Q_DISABLE_COPY(XmlStackedHandler);

      XmlStackedHandlerReader *m_reader;
      int m_depth;

      QString m_lastStartNamespaceURI;
      QString m_lastStartLocalName;
      QString m_lastStartQName;
      QXmlAttributes m_lastStartAtts;
  };
}

#endif