DDLParser.h

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#ifndef DETECTOR_DESCRIPTION_PARSER_DDL_PARSER_H
#define DETECTOR_DESCRIPTION_PARSER_DDL_PARSER_H

#include "DetectorDescription/Parser/interface/DDLSAX2ExpressionHandler.h"
#include "DetectorDescription/Parser/interface/DDLSAX2FileHandler.h"
#include "DetectorDescription/Parser/interface/DDLSAX2Handler.h"
#include "FWCore/Concurrency/interface/Xerces.h"
#include <xercesc/sax/SAXException.hpp>
#include <xercesc/sax2/SAX2XMLReader.hpp>
#include <xercesc/sax2/XMLReaderFactory.hpp>
#include <xercesc/util/XercesDefs.hpp>
#include <xercesc/util/XercesVersion.hpp>
#include <iosfwd>
#include <map>
#include <string>
#include <utility>
#include <vector>
#include <cstddef>

class DDCompactView;
class DDLDocumentProvider;
class DDLElementRegistry;


class DDLParser
{
 public:
  typedef XERCES_CPP_NAMESPACE::SAX2XMLReader SAX2XMLReader;

  typedef std::map< int, std::pair<std::string, std::string> > FileNameHolder;
  
  DDLParser( DDCompactView& cpv );

  DDLParser() = delete; 
  
  ~DDLParser();

  int parse( const DDLDocumentProvider& dp );


  bool parseOneFile(const std::string& filename);

  // I ASSUME I take ownership of this blob
  //  void parse( std::vector<unsigned char>* ablob, unsigned int bsize ) ;
  //old way  void parse( const std::vector<unsigned char>& ablob, unsigned int bsize ) ;
  void parse( const std::vector<unsigned char>& ablob, unsigned int bsize ) ;

  SAX2XMLReader* getXMLParser();


  DDLSAX2FileHandler* getDDLSAX2FileHandler();
  

  void clearFiles();

 private:
  void parseFile (const int& numtoproc);

  size_t isFound(const std::string& filename);
  
  bool isParsed(const std::string& filename);

  std::string const extractFileName( const std::string& fullname );

  std::string const getNameSpace( const std::string& fname );
  
  DDCompactView& cpv_;

  FileNameHolder fileNames_;

  std::map<int, bool> parsed_;

  size_t nFiles_;

  std::string currFileName_;

  SAX2XMLReader* SAX2Parser_;

  DDLElementRegistry* elementRegistry_;
  DDLSAX2FileHandler* fileHandler_;
  DDLSAX2ExpressionHandler* expHandler_;
  DDLSAX2Handler* errHandler_;
};

#endif