senml_double_pack.h

/*  _  __  ____    _   _ 
 * | |/ / |  _ \  | \ | |
 * | ' /  | |_) | |  \| |
 * | . \  |  __/  | |\  |
 * |_|\_\ |_|     |_| \_|
 * 
 * (c) 2018 KPN
 * License: MIT License.
 * Author: Jan Bogaerts
 * 
 * pack (document) with double base values headers
 */

#ifndef SENMLDOUBLEPACK
#define SENMLDOUBLEPACK

#include <senml_pack_t.h>

/**
 * An implimentation of the SenMLPack template that stores double base value and base-sum.
 */
class SenMLDoublePack: public SenMLPackTemplate<double>
{
    public:

        SenMLDoublePack(const char* baseName): SenMLPackTemplate(baseName, SENML_UNIT_NONE, NAN) {};
        SenMLDoublePack(const char* baseName, SenMLUnit baseUnit): SenMLPackTemplate(baseName, baseUnit, NAN) {};
        SenMLDoublePack(const char* baseName, SenMLUnit baseUnit, double baseTime): SenMLPackTemplate(baseName, baseUnit, baseTime) {};

        SenMLDoublePack(PACK_ACTUATOR_SIGNATURE): SenMLPackTemplate("", SENML_UNIT_NONE, NAN, callback) {};
        SenMLDoublePack(const char* baseName, PACK_ACTUATOR_SIGNATURE): SenMLPackTemplate(baseName, SENML_UNIT_NONE, NAN, callback) {};
        SenMLDoublePack(const char* baseName, SenMLUnit baseUnit, PACK_ACTUATOR_SIGNATURE): SenMLPackTemplate(baseName, baseUnit, NAN, callback) {};
        SenMLDoublePack(const char* baseName, SenMLUnit baseUnit, double baseTime, PACK_ACTUATOR_SIGNATURE): SenMLPackTemplate(baseName, baseUnit, baseTime, callback){};



        ~SenMLDoublePack(){};

        /**
         * renders all the fields to json, without the starting and ending brackets.
         * Inheriters can extend this function if they want to add extra fields to the json output
         * note: this is public so that custom implementations for the record object can use other objects 
         * internally and render to json using this function (ex: coordinatesRecord using 3 floatRecrods for lat, lon & alt.
         * @returns: None
        */
        virtual void fieldsToJson();

        /**
         * renders all the fields to cbor format. renders all the fields of the object without the length info 
         * at the beginning
         * note: this is public so that custom implementations for the record object can use other objects 
         * internally and render to json using this function (ex: coordinatesRecord using 3 floatRecrods for 
         * lat, lon & alt.
         * @returns: The number of bytes that were written.
        */
        virtual int fieldsToCbor();

    protected:

        virtual void setupStreamCtx(Stream *dest, SenMLStreamMethod format);
        virtual void setupStreamCtx(char *dest, int length, SenMLStreamMethod format);

        

    private:
};

#endif // SENMLDOUBLEPACK