GFitsTableBitCol.hpp
4.84 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
/***************************************************************************
* GFitsTableBitCol.hpp - FITS table bit column class *
* ----------------------------------------------------------------------- *
* copyright (C) 2008-2011 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 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 GFitsTableBitCol.hpp
* @brief FITS table bit column class interface definition
* @author J. Knodlseder
*/
#ifndef GFITSTABLEBITCOL_HPP
#define GFITSTABLEBITCOL_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GFitsTableCol.hpp"
/***********************************************************************//**
* @class GFitsTableBitCol
*
* @brief FITS table Bit column
*
* This class implements a FITS table Bit column. Bits are stored internally
* in an array of type char and is transferred to the file in junks of
* 8 Bits (using the cfitsio type TBYTE).
***************************************************************************/
class GFitsTableBitCol : public GFitsTableCol {
public:
// Constructors and destructors
GFitsTableBitCol(void);
GFitsTableBitCol(const std::string& name, const int& length,
const int& size = 1);
GFitsTableBitCol(const GFitsTableBitCol& column);
virtual ~GFitsTableBitCol(void);
// Operators
GFitsTableBitCol& operator= (const GFitsTableBitCol& column);
bool& operator() (const int& row, const int& inx = 0);
const bool& operator() (const int& row, const int& inx = 0) const;
// Implement virtual methods
virtual std::string string(const int& row, const int& col = 0) const;
virtual double real(const int& row, const int& col = 0) const;
virtual int integer(const int& row, const int& col = 0) const;
virtual void insert(const int& rownum, const int& nrows);
virtual void remove(const int& rownum, const int& nrows);
// Other methods
unsigned char* data(void) { return m_data; }
void nulval(const unsigned char* value);
unsigned char* nulval(void) { return m_nulval; }
private:
// Private methods
void init_members(void);
void copy_members(const GFitsTableBitCol& column);
void free_members(void);
// Implemented pure virtual methods
virtual GFitsTableBitCol* clone(void) const;
virtual std::string ascii_format(void) const;
virtual std::string binary_format(void) const;
virtual void alloc_data(void);
virtual void init_data(void);
virtual void* ptr_data(void) { return m_data; }
virtual void* ptr_nulval(void) { return m_nulval; }
// Overloaded virtual methods
virtual void load_column(void);
virtual void save_column(void);
// Other private methods
void release_data(void);
void alloc_nulval(const unsigned char* value);
void get_bit(const int& row, const int& inx);
void set_pending(void);
// Private data area
int m_bits; //!< Total number of Bits in column
int m_bytes_per_row; //!< Number of Bytes per row
int m_bits_per_row; //!< Number of Bits per row
unsigned char* m_data; //!< Data area
unsigned char* m_nulval; //!< NULL value
// Bit access data area
bool m_bit_pending; //!< Bit value has to be written back
bool m_bit_value; //!< Actual bit to be accessed
int m_bit_byte; //!< Row of actual bit to be accessed
int m_bit_mask; //!< Index of actual bit to be accessed
};
#endif /* GFITSTABLEBITCOL_HPP */