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// Copyright (C) 1999-2016
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"
#ifndef __fitscolumn_h__
#define __fitscolumn_h__
#include "vector.h"
class FitsHead;
class FitsColumn {
protected:
int index_; // col number 1 to n
int width_; // overall width of field in chars
int offset_; // offset in chars from start of row
char type_; // type
char* tform_;
char* ttype_;
char* tunit_;
float tscal_;
float tzero_;
int tnull_;
int hastnull_;
float tlmin_;
float tlmax_;
int hastlmin_;
int hastlmax_;
double min_;
double max_;
int validmm_;
char buf_[128];
char keybuf[9];
char* keycat(const char*, int);
public:
FitsColumn(FitsHead*, int, int);
virtual ~FitsColumn();
int width() {return width_;}
int offset() {return offset_;}
int index() {return index_;}
const char* tform() {return tform_;}
const char* ttype() {return ttype_;}
const char* tunit() {return tunit_;}
float tscal() {return tscal_;}
float tzero() {return tzero_;}
int tnull() {return tnull_;}
float tlmin() {return tlmin_;}
float tlmax() {return tlmax_;}
int hasscaling() {return tscal_ != 1 || tzero_ != 0;}
int hastnull() {return hastnull_;}
virtual double value(const char* ptr, int i =0) {return 0;}
virtual char* str(const char* ptr, int i =0) {return NULL;}
virtual Vector dimension() {return Vector();}
virtual int repeat() {return 1;}
void setMin(double m) {min_=m;}
void setMax(double m) {max_=m;}
double getMin() {return min_;}
double getMax() {return max_;}
int hasMinMax() {return min_ != -DBL_MAX ? 1 : 0;}
int hasTLMinTLMax() {return hastlmin_ && hastlmax_;}
};
// FitsAsciiColumn
class FitsAsciiColumn : public FitsColumn {
public:
FitsAsciiColumn(FitsHead*, int, int);
char* str(const char* ptr, int i =0);
};
class FitsAsciiColumnStr : public FitsAsciiColumn {
public:
FitsAsciiColumnStr(FitsHead*, int, int);
};
class FitsAsciiColumnA : public FitsAsciiColumn {
private:
int prec_;
public:
FitsAsciiColumnA(FitsHead*, int, int);
double value(const char*, int i =0);
};
template<class T>
class FitsAsciiColumnT : public FitsAsciiColumnA {
public:
FitsAsciiColumnT(FitsHead*, int, int);
Vector dimension();
};
// FitsBinColumn
class FitsBinColumn : public FitsColumn {
protected:
char* tdisp_;
int repeat_; // repeat count
public:
FitsBinColumn(FitsHead*, int, int);
~FitsBinColumn();
int repeat() {return repeat_;}
};
class FitsBinColumnStr : public FitsBinColumn {
public:
FitsBinColumnStr(FitsHead*, int, int);
char* str(const char* ptr, int i =0);
};
class FitsBinColumnLogical : public FitsBinColumn {
public:
FitsBinColumnLogical(FitsHead*, int, int);
double value(const char* ptr, int i =0)
{return (*(ptr+offset_+i) == 'T') ? 1 : 0;}
char* str(const char* ptr, int i =0);
};
class FitsBinColumnArray : public FitsBinColumn {
protected:
int byteswap_;
char ptype_;
int psize_;
int pmax_;
char* abuf_;
virtual int swap(const char* ptr, int i =0) =0;
public:
FitsBinColumnArray(FitsHead*, int, int);
virtual ~FitsBinColumnArray();
virtual void* get(const char* heap, const char* ptr, int* cnt);
};
class FitsBinColumnArrayP : public FitsBinColumnArray {
protected:
int swap(const char* ptr, int i =0);
public:
FitsBinColumnArrayP(FitsHead*, int, int);
};
class FitsBinColumnArrayQ : public FitsBinColumnArray {
protected:
int swap(const char* ptr, int i =0);
public:
FitsBinColumnArrayQ(FitsHead*, int, int);
};
class FitsBinColumnBit : public FitsBinColumn {
public:
FitsBinColumnBit(FitsHead*, int, int);
};
class FitsBinColumnB : public FitsBinColumn {
protected:
int byteswap_;
public:
FitsBinColumnB(FitsHead*, int, int);
};
template<class T>
class FitsBinColumnT : public FitsBinColumnB {
private:
T swap(T*);
public:
FitsBinColumnT(FitsHead*, int, int);
double value(const char*, int i =0);
char* str(const char* ptr, int i =0);
Vector dimension();
};
#endif
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