KeyBase.h

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// -*- lsst-c++ -*-
#ifndef AFW_TABLE_KeyBase_h_INCLUDED
#define AFW_TABLE_KeyBase_h_INCLUDED

#include <vector>

#include "lsst/afw/table/misc.h"

namespace lsst { namespace afw { namespace table { 

class BaseRecord;

template <typename T> class Key;

template <typename T>
class KeyBase {
public:
    static bool const HAS_NAMED_SUBFIELDS = false;

};

template <>
class KeyBase< Coord > {
public:
    static bool const HAS_NAMED_SUBFIELDS = true;

    Key<Angle> getRa() const; 
    Key<Angle> getDec() const; 

#ifndef SWIG
    static char const * subfields[];
#endif
};

template <typename U>
class KeyBase< Point<U> > {
public:
    static bool const HAS_NAMED_SUBFIELDS = true;

    Key<U> getX() const; 
    Key<U> getY() const; 

    static char const * subfields[];
};

template <typename U>
class KeyBase< Moments<U> > {
public:
    static bool const HAS_NAMED_SUBFIELDS = true;

    Key<U> getIxx() const; 
    Key<U> getIyy() const; 
    Key<U> getIxy() const; 

    static char const * subfields[];
};

template <typename U>
class KeyBase< Array<U> > {
public:
    static bool const HAS_NAMED_SUBFIELDS = false;

    std::vector<U> extractVector(BaseRecord const & record) const;

    void assignVector(BaseRecord & record, std::vector<U> const & values) const;

    Key<U> operator[](int i) const; 

    Key< Array<U> > slice(int begin, int end) const; 
};

template <typename U>
class KeyBase< Covariance<U> > {
public:
    static bool const HAS_NAMED_SUBFIELDS = false;

    Key<U> operator()(int i, int j) const;
};

template <typename U>
class KeyBase< Covariance< Point<U> > > {
public:
    static bool const HAS_NAMED_SUBFIELDS = false;

    Key<U> operator()(int i, int j) const;
};

template <typename U>
class KeyBase< Covariance< Moments<U> > > {
public:
    static bool const HAS_NAMED_SUBFIELDS = false;

    Key<U> operator()(int i, int j) const;
};

}}} // namespace lsst::afw::table

#endif // !AFW_TABLE_KeyBase_h_INCLUDED