deserializer.hpp

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#pragma once
 
#include <iterator>
#include <ranges>
#include <span>
 
#include <sparrow/record_batch.hpp>
 
#include "sparrow_ipc/deserialize.hpp"
 
namespace sparrow_ipc
{
    template <std::ranges::input_range R>
        requires std::same_as<std::ranges::range_value_t<R>, sparrow::record_batch>
    class deserializer
    {
    public:
 
        deserializer(R& data)
            : m_data(&data)
        {
        }
 
        void deserialize(std::span<const uint8_t> data)
        {
            // Insert at the end of m_data container the deserialized record batches
            auto& container = *m_data;
            auto deserialized_batches = sparrow_ipc::deserialize_stream(data);
            container.insert(
                std::end(container),
                std::make_move_iterator(std::begin(deserialized_batches)),
                std::make_move_iterator(std::end(deserialized_batches))
            );
        }
 
        deserializer& operator<<(std::span<const uint8_t> data)
        {
            deserialize(data);
            return *this;
        }
 
    private:
 
        R* m_data;
    };
}