DDName.h

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#ifndef DETECTOR_DESCRIPTION_CORE_DDNAME_H
#define DETECTOR_DESCRIPTION_CORE_DDNAME_H

#include <iosfwd>
#include <map>
#include <string>
#include <utility>
#include <vector>

class DDCurrentNamespace;


class DDName
{
public:
  
  using id_type = int;
  using Registry = std::map<std::pair<std::string, std::string>, id_type>;
  using IdToName = std::vector<Registry::const_iterator>;
  
  DDName( const std::string & name,
          const std::string & ns );

  DDName( const std::string & name );
  DDName( const char* name ); 
  DDName( const char* name, const char* ns );

  explicit DDName();
  
  const std::string & name() const;
  
  const std::string & ns() const;
  
  const std::string fullname() const { return ns() + ":" + name(); }

  id_type id() const { return id_; }
  
  bool operator<(const DDName & rhs) const { return id_ < rhs.id_; }
  bool operator==(const DDName & rhs) const { return id_ == rhs.id_; }

private:
  
  id_type id_;
    
  static Registry::iterator registerName( const std::pair<std::string, std::string> & s );
};

std::ostream & operator<<( std::ostream & os, const DDName & n ); 

#endif