Program Listing for File result_iteration_helper.hpp
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// Copyright 2020 Bjarne von Horn
//
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//
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// * Redistributions in binary form must reproduce the above copyright
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// this software without specific prior written permission.
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// SPDX-License-Identifier: BSD-3-Clause
#ifndef WAREHOUSE_ROS_SQLITE__RESULT_ITERATION_HELPER_HPP_
#define WAREHOUSE_ROS_SQLITE__RESULT_ITERATION_HELPER_HPP_
#include <warehouse_ros/query_results.h>
#include <warehouse_ros_sqlite/utils.hpp>
#include <warehouse_ros_sqlite/warehouse_ros_sqlite_export.hpp>
#include <string>
#include <utility>
#include <vector>
namespace warehouse_ros_sqlite
{
class WAREHOUSE_ROS_SQLITE_EXPORT ResultIteratorHelper : public warehouse_ros::ResultIteratorHelper
{
sqlite3_stmt_ptr stmt_;
std::vector<std::pair<std::string, int>> metadata_cols_;
void initMetadataCols();
public:
ResultIteratorHelper() = default;
explicit ResultIteratorHelper(sqlite3_stmt_ptr stmt)
: stmt_(std::move(stmt))
{
initMetadataCols();
}
bool next() override;
bool hasData() const override;
warehouse_ros::Metadata::ConstPtr metadata() const override;
std::string message() const override;
};
} // namespace warehouse_ros_sqlite
#endif // WAREHOUSE_ROS_SQLITE__RESULT_ITERATION_HELPER_HPP_