DDReadMapType.h

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#ifndef DD_READMAPTYPE_H
#define DD_READMAPTYPE_H

#include <string>
#include <map>

namespace dddDetails {
  void errorReadMapType(const std::string & key);
}


template<class V> class ReadMapType : public std::map<std::string,V>
{
 public:
  ReadMapType() : std::map<std::string,V>() {}

  const V & operator[](const std::string & key) const
   { 
      typename std::map<std::string,V>::const_iterator it = this->find(key); 
      if (it == this->end()) dddDetails::errorReadMapType(key);
      return it->second;
   }
   
   V & operator[](const std::string & key)
   {
      return std::map<std::string,V>::operator[](key);
   }
};

#endif // DD_READMAPTYE_H