MHO_DiFXZoomBandRebuilder.hh

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#ifndef MHO_DiFXZoomBandRebuilder_HH__
#define MHO_DiFXZoomBandRebuilder_HH__
 
#include <map>
#include <set>
#include <string>
#include <tuple>
#include <vector>
 
#include "MHO_JSONHeaderWrapper.hh"
 
namespace hops
{
 
class MHO_DiFXZoomBandRebuilder
{
    public:
        MHO_DiFXZoomBandRebuilder(): fInput(nullptr), fSelectByBandwidth(false), fOnlyBandwidth(0.0) {}
 
        void SetDiFXInputData(const mho_json* input) { fInput = input; }
 
        void SetSelectionByBandwidth(double bw)
        {
            fSelectByBandwidth = true;
            fOnlyBandwidth = bw;
        }
 
        void ClearSelectionByBandwidth() { fSelectByBandwidth = false; }
 
        //frequency-band labels (e.g. {"X", 8000, 9000}); used as chan_def.band_id link values
        void SetFrequencyBands(const std::vector< std::tuple< std::string, double, double > >& fbands) { fFreqBands = fbands; }
 
        //DiFX uppercase 2-char station code -> VEX (mixed-case) 2-char station code
        void SetDiFX2VexStationCodes(const std::map< std::string, std::string >& m) { fDiFX2VexStationCodes = m; }
 
        //true if any datastream has nZoomFreq > 0
        bool HasZoomBands() const;
 
        //true if no bandwidth filter is active, or the active filter matches the zoom bandwidth.
        //If false, the rebuild should be skipped (native channels will be used).
        bool WantZoomChannels() const;
 
        //union of all global zoom-freq indices across every datastream. Use this to set the
        //visibility processor's zoom selection so native records are discarded.
        std::set< int > CollectZoomFreqIndices() const;
 
        //rewrite vex_root["$FREQ"], $BBC, $IF and the station links under $MODE[mode_name]
        //for every station whose datastream uses zoom bands.
        void RebuildFreqSections(mho_json& vex_root, const std::string& mode_name);
 
    private:
        const mho_json* fInput;
 
        bool fSelectByBandwidth;
        double fOnlyBandwidth;
 
        std::vector< std::tuple< std::string, double, double > > fFreqBands;
        std::map< std::string, std::string > fDiFX2VexStationCodes;
};
 
} // namespace hops
 
#endif