GFitsTable.hpp
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/***************************************************************************
* GFitsTable.hpp - FITS table abstract base class *
* ----------------------------------------------------------------------- *
* copyright (C) 2008-2013 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* 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 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file GFitsTable.hpp
* @brief FITS table abstract base class interface definition
* @author Juergen Knoedlseder
*/
#ifndef GFITSTABLE_HPP
#define GFITSTABLE_HPP
/* __ Includes ___________________________________________________________ */
#include "GFitsHDU.hpp"
#include "GFitsTableCol.hpp"
/***********************************************************************//**
* @class GFitsTable
*
* @brief Abstract interface for FITS table
*
* This class defines the abstract interface for a FITS table. A FITS table
* is a collection of columns with an identical number of rows. This class
* provides high level access to table columns.
*
* @todo Implement remove() method
***************************************************************************/
class GFitsTable : public GFitsHDU {
public:
// Constructors and destructors
GFitsTable(void);
explicit GFitsTable(const int& nrows);
GFitsTable(const GFitsTable& table);
virtual ~GFitsTable(void);
// Operators
GFitsTable& operator=(const GFitsTable& table);
GFitsTableCol* operator[](const int& colnum);
const GFitsTableCol* operator[](const int& colnum) const;
GFitsTableCol* operator[](const std::string& colname);
const GFitsTableCol* operator[](const std::string& colname) const;
// Pure virtual methods
virtual void clear(void) = 0;
virtual GFitsTable* clone(void) const = 0;
virtual HDUType exttype(void) const = 0;
// Implemented Methods
const int& size(void) const;
GFitsTableCol* set(const int& colnum, const GFitsTableCol& column);
GFitsTableCol* set(const std::string& colname, const GFitsTableCol& column);
GFitsTableCol* append(const GFitsTableCol& column);
GFitsTableCol* insert(int colnum, const GFitsTableCol& column);
GFitsTableCol* insert(const std::string& colname, const GFitsTableCol& column);
void append_rows(const int& nrows);
void insert_rows(const int& row, const int& nrows);
void remove_rows(const int& row, const int& nrows);
const int& nrows(void) const;
const int& ncols(void) const;
bool contains(const std::string& colname) const;
std::string print(const GChatter& chatter = NORMAL) const;
protected:
// Protected methods
void init_members(void);
void copy_members(const GFitsTable& table);
void free_members(void);
void data_open(void* vptr);
void data_save(void);
void data_close(void);
void data_connect(void* vptr);
char* get_ttype(const int& colnum) const;
char* get_tform(const int& colnum) const;
char* get_tunit(const int& colnum) const;
// Protected data area
int m_type; //!< Table type (1=ASCII, 2=Binary)
int m_rows; //!< Number of rows in table
int m_cols; //!< Number of columns in table
GFitsTableCol** m_columns; //!< Array of table columns
private:
// Private methods
GFitsTableCol* alloc_column(int typecode) const;
GFitsTableCol* ptr_column(const std::string& colname) const;
int colnum(const std::string& colname) const;
};
/***********************************************************************//**
* @brief Return number of columns in table
*
* @return Number of columns in table
*
* Returns the number of columns in table. This method is equivalent to the
* ncols() method.
***************************************************************************/
inline
const int& GFitsTable::size(void) const
{
return m_cols;
}
/***********************************************************************//**
* @brief Return number of rows in table
*
* @return Number of rows in table
*
* Returns the number of rows in table.
***************************************************************************/
inline
const int& GFitsTable::nrows(void) const
{
return m_rows;
}
/***********************************************************************//**
* @brief Return number of columns in table
*
* @return Number of columns in table
*
* Returns the number of columns in table. This method is equivalent to the
* size() method.
***************************************************************************/
inline
const int& GFitsTable::ncols(void) const
{
return m_cols;
}
/***********************************************************************//**
* @brief Append column to the table
*
* @param[in] column Table column.
* @return Pointer to table column that has been appended
***************************************************************************/
inline
GFitsTableCol* GFitsTable::append(const GFitsTableCol& column)
{
return (insert(m_cols, column));
}
#endif /* GFITSTABLE_HPP */