GFitsHeaderCard.hpp
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/***************************************************************************
* GFitsHeaderCard.hpp - FITS header card abstract base class *
* ----------------------------------------------------------------------- *
* copyright : (C) 2008 by Jurgen Knodlseder *
* ----------------------------------------------------------------------- *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/**
* @file GFitsHeaderCard.hpp
* @brief GFitsHeaderCard class definition.
* @author J. Knodlseder
*/
#ifndef GFITSHEADERCARD_HPP
#define GFITSHEADERCARD_HPP
/* __ Includes ___________________________________________________________ */
#include "GFitsCfitsio.hpp"
/* __ Namespaces _________________________________________________________ */
/***********************************************************************//**
* @class GFitsHeaderCard
*
* @brief Implements FITS header card interface
*
* This class implements FITS header card. Each card consists of a
* keyname (string), a value (string, floating pointer, integer or logical)
* and a comment (string). COMMENT or HISTORY cards do not have any value.
***************************************************************************/
class GFitsHeaderCard {
// I/O friends
friend ostream& operator<< (ostream& os, const GFitsHeaderCard& card);
public:
// Constructors & Destructors
GFitsHeaderCard();
GFitsHeaderCard(const std::string& keyname, const std::string& value,
const std::string& comment);
GFitsHeaderCard(const std::string& keyname, const double& value,
const std::string& comment);
GFitsHeaderCard(const std::string& keyname, const int& value,
const std::string& comment);
GFitsHeaderCard(const GFitsHeaderCard& card);
~GFitsHeaderCard();
// Operators
GFitsHeaderCard& operator= (const GFitsHeaderCard& card);
// Methods to set card properties
void keyname(const std::string& keyname);
void value(const std::string& value);
void value(const double& value);
void value(const int& value);
void unit(const std::string& unit);
void comment(const std::string& comment);
// Methods to get card properties
std::string keyname(void) const;
std::string value(void) const;
int value_type(void) const;
std::string unit(void) const;
std::string comment(void) const;
std::string string(void);
double real(void);
int integer(void);
// Other methods
void read(__fitsfile* fptr, int keynum);
void read(__fitsfile* fptr, const std::string& keyname);
void write(__fitsfile* fptr);
private:
// Private methods
void init_members(void);
void copy_members(const GFitsHeaderCard& card);
void free_members(void);
int get_value_type(const std::string& value);
// Private data area
std::string m_keyname; //!< Name of the card
std::string m_value; //!< Value of the card as read from file
int m_value_type; //!< Type of the card value
std::string m_unit; //!< Unit of the card value
std::string m_comment; //!< Card comment
};
/***************************************************************************
* Inline methods *
***************************************************************************/
#endif /* GFITSHEADERCARD_HPP */