namedb.h

C++高级编程这本书所附的源代码

#include <string>
#include <stdexcept>
#include <map>

using std::string;

class NameDB
{
 public:
  NameDB(const string& nameFile) throw (std::invalid_argument);

  int getNameRank(const string& name) const;
  int getAbsoluteNumber(const string& name) const;

 protected:
  std::map<string, int> mNames;

  bool nameExistsAndIncrement(const string& name);
  void addNewName(const string& name);

 private:
  // prevent assignment and pass-by-value
  NameDB(const NameDB& src);
  NameDB& operator=(const NameDB& rhs);
};