JplSpk.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstCore/TimeInterval.hpp"
#include <string>
 
AST_NAMESPACE_BEGIN
 
class AST_CORE_API JplSpk
{
public:
    JplSpk();
    JplSpk(StringView spkfile);
    ~JplSpk();
 
    errc_t open(StringView spkfile);
 
    bool isOpen() const {return handle_ != 0;}
 
    errc_t close();
 
    const std::string& getFilePath() const {return spkfile_;}
 
    int handle() const{return handle_;}
 
    static errc_t getPosICRF(
        const TimePoint& tp, 
        int target,
        int referenceBody,
        Vector3d& pos
    );
 
    static errc_t getPosVelICRF(
        const TimePoint& tp, 
        int target,
        int referenceBody,
        Vector3d& pos,
        Vector3d& vel
    );
 
    static std::string getBodyName(int id);
 
    errc_t getInterval(
        int target,
        TimeInterval& interval
    ) const;
 
    errc_t getBodyNames(
        std::vector<std::string>& names
    ) const;
 
    errc_t getBodyIds(
        std::vector<int>& ids
    ) const;
protected:
    std::string spkfile_;                   
    int handle_{0};                         
    mutable bool isIntervalCached_{false};  
    mutable TimeInterval intervalCache_{};  
};
 
AST_NAMESPACE_END