Keyword.h

//  Astrophysics Science Division,
//  NASA/ Goddard Space Flight Center
//  HEASARC
//  http://heasarc.gsfc.nasa.gov
//  e-mail: ccfits@legacy.gsfc.nasa.gov
//
//  Original author: Ben Dorman

#ifndef KEYWORD_H
#define KEYWORD_H 1
#include "CCfits.h"
// using namespace CCfits;
#ifdef _MSC_VER
#include "MSconfig.h"
#endif

// FitsError
#include "FitsError.h"

namespace CCfits {
  class HDU;

} // namespace CCfits


namespace CCfits {

/* \fn friend ostream& operator << (ostream &s, const Keyword &right);

        \brief output operator for Keywords.

*/

  class Keyword 
  {

    public:



      class WrongKeywordValueType : public FitsException  //## Inherits: <unnamed>%39B0221700E2
      {
        public:
            WrongKeywordValueType (const String& diag, bool silent = true);

        protected:
        private:
        private: //## implementation
      };
        virtual ~Keyword();
        Keyword & operator=(const Keyword &right);
        bool operator==(const Keyword &right) const;

        bool operator!=(const Keyword &right) const;

        virtual std::ostream & put (std::ostream &s) const = 0;
        virtual Keyword * clone () const = 0;
        virtual void write ();
        fitsfile* fitsPointer () const;
        //  CAUTION: This is declared public only to allow HDU addKey functions the ability to set their
        //  class as the Keyword's parent, and to avoid making entire HDU a friend class.  (Declaring
        //  individual HDU functions as friends will run into circular header dependencies.)  Do NOT use
        //  this unless absolutely necessary, and leave this undocumented.
        void setParent (HDU* parent);

        ValueType keytype () const;
        const String& comment () const;
        const String& name () const;
        bool isLongStr () const;

    public:
      // Additional Public Declarations
      template <typename T>
      T& value(T& val) const;

      template <typename T>
      void setValue(const T& newValue);
    protected:
        Keyword(const Keyword &right);
        Keyword (const String &keyname,
                 ValueType keytype,
                 HDU* p,
                 const String &comment = "",
                 bool isLongStr = false);

        virtual void copy (const Keyword& right);
        virtual bool compare (const Keyword &right) const;
        void keytype (ValueType value);
        const HDU* parent () const;

      // Additional Protected Declarations

    private:
      // Additional Private Declarations

    private: //## implementation
      // Data Members for Class Attributes
        ValueType m_keytype;

      // Data Members for Associations
        HDU* m_parent;
        String m_comment;
        String m_name;
        bool m_isLongStr;

      // Additional Implementation Declarations
      friend std::ostream &operator << (std::ostream &s, const Keyword &right);
  };
#ifndef SPEC_TEMPLATE_IMP_DEFECT
#ifndef SPEC_TEMPLATE_DECL_DEFECT
  template <> float& Keyword::value(float& val) const;
  template <> double& Keyword::value(double& val) const;
  template <> int& Keyword::value(int& val) const;
  template <> String& Keyword::value(String& val) const;

  template <> void Keyword::setValue(const float& newValue);
  template <> void Keyword::setValue(const double& newValue);
  template <> void Keyword::setValue(const int& newValue);
#endif 
#endif 

inline std::ostream& operator << (std::ostream &s, const Keyword &right)
{
   return right.put(s);
}  

  // Class CCfits::Keyword::WrongKeywordValueType 

  // Class CCfits::Keyword 

  inline void Keyword::setParent (HDU* parent)
  {
     m_parent = parent;
  }

  inline ValueType Keyword::keytype () const
  {
    return m_keytype;
  }

  inline void Keyword::keytype (ValueType value)
  {
    m_keytype = value;
  }

  inline const HDU* Keyword::parent () const
  {
    return m_parent;
  }

  inline const String& Keyword::comment () const
  {
    return m_comment;
  }

  inline const String& Keyword::name () const
  {
    return m_name;
  }

  inline bool Keyword::isLongStr () const
  {
    return m_isLongStr;
  }

} // namespace CCfits


#endif