Pvl.h

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#ifndef Pvl_h
#define Pvl_h

#include <fstream>
#include "PvlObject.h"

namespace Isis {
  class Pvl : public Isis::PvlObject {
    public:
      Pvl();
      Pvl(const std::string &file);
      Pvl(const Pvl &other);

      friend std::istream &operator>>(std::istream &is, Pvl &pvl);
      friend std::ostream &operator<<(std::ostream &os, Isis::Pvl &pvl);

      ~Pvl() {
        if(p_internalTemplate) delete p_formatTemplate;
      };

      void Read(const std::string &file);

      void Write(const std::string &file);
      void Append(const std::string &file);

      void SetTerminator(const std::string &term) {
        p_terminator = term;
      };
      std::string Terminator() const {
        return p_terminator;
      };

      void SetFormatTemplate(Isis::Pvl &temp);
      void SetFormatTemplate(const std::string &filename);

      const Pvl &operator=(const Pvl &other);
      
      void ValidatePvl(const Pvl & pPvl, Pvl & pPvlResults);

    private:
      void Init();
      bool p_internalTemplate;
      std::string p_terminator; 
  };
};
#endif