reader.h

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/**
    @file
    @author Alexander Sherikov

    @copyright 2018 Alexander Sherikov, Licensed under the Apache License, Version 2.0.
    (see @ref LICENSE or http://www.apache.org/licenses/LICENSE-2.0)

    @brief
*/

#pragma once


namespace ariles
{
    namespace ns_ros
    {
        namespace impl
        {
            class ARILES_VISIBILITY_ATTRIBUTE Reader;
        }



        /**
         * @brief Configuration reader class
         */
        class ARILES_VISIBILITY_ATTRIBUTE Reader : public ns_ros::Base<ariles::read::Visitor, impl::Reader>
        {
        protected:
            std::size_t getMapSize(const bool expect_empty);


        public:
            /**
             * @brief Constructor
             *
             * @param[in] nh NodeHandle
             */
            explicit Reader(const ::ros::NodeHandle &nh);


            bool descend(const std::string &child_name);
            void ascend();


            bool getMapEntryNames(std::vector<std::string> &child_names);


            std::size_t startArray();
            void shiftArray();
            void endArray();

            bool startRoot(const std::string &name);
            void endRoot(const std::string &name);


#define ARILES_BASIC_TYPE(type) void readElement(type &element);

            ARILES_MACRO_SUBSTITUTE(ARILES_BASIC_TYPES_LIST)

#undef ARILES_BASIC_TYPE
        };
    }  // namespace ns_ros
}  // namespace ariles