DDLSAX2Handler.h

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#ifndef DETECTOR_DESCRIPTION_PARSER_DDL_SAX2_HANDLER_H
#define DETECTOR_DESCRIPTION_PARSER_DDL_SAX2_HANDLER_H

#include <xercesc/sax2/Attributes.hpp>
#include <xercesc/sax2/DefaultHandler.hpp>
#include <iostream>
#include <string>
#include <vector>


class DDLSAX2Handler : public XERCES_CPP_NAMESPACE::DefaultHandler
{
 public:
  using Attributes = XERCES_CPP_NAMESPACE::Attributes;
  using SAXParseException = XERCES_CPP_NAMESPACE::SAXParseException;

  DDLSAX2Handler();
  ~DDLSAX2Handler() override;

  unsigned int getElementCount() const
  {
    return elementCount_;
  }
  unsigned int getAttrCount() const
  {
    return attrCount_;
  }
  unsigned int getCharacterCount() const
  {
    return characterCount_;
  }
  bool getSawErrors() const
  {
    return sawErrors_;
  }
  unsigned int getSpaceCount() const
  {
    return spaceCount_;
  }

  // -----------------------------------------------------------------------
  //  Handlers for the SAX ContentHandler interface
  // -----------------------------------------------------------------------

  void startElement( const XMLCh* uri, const XMLCh* localname,
             const XMLCh* qname, const Attributes& attrs ) override;
  void endElement( const XMLCh* uri, const XMLCh* localname,
           const XMLCh* qname ) override;
  void characters( const XMLCh* chars, XMLSize_t length ) override;
  void comment( const XMLCh* chars, XMLSize_t length ) override;
  void ignorableWhitespace( const XMLCh* chars, XMLSize_t length ) override;
  void resetDocument() override;

  // -----------------------------------------------------------------------
  //  Handlers for the SAX ErrorHandler interface
  // -----------------------------------------------------------------------
  void warning(const SAXParseException& exception) override;
  void error(const SAXParseException& exception) override;
  void fatalError(const SAXParseException& exception) override;
  virtual void dumpStats(const std::string& fname);
  
 protected:

  // -----------------------------------------------------------------------
  //  Protected data members
  //
  //  attrCount_
  //  characterCount_
  //  elementCount_
  //  spaceCount_
  //      These are just counters that are run upwards based on the input
  //      from the document handlers.
  //
  //  sawErrors
  //      This is set by the error handlers, and is queryable later to
  //      see if any errors occurred.
  // -----------------------------------------------------------------------
  XMLSize_t       attrCount_;
  XMLSize_t       characterCount_;
  XMLSize_t       elementCount_;
  XMLSize_t       spaceCount_;
  bool            sawErrors_;
  bool            userNS_;
  std::string     nmspace_;
 
 public:
  virtual void setUserNS(bool userns);
  virtual void setNameSpace(const std::string& nms);
};

#endif