22 lines
477 B
C++
22 lines
477 B
C++
#pragma once
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#include "record.hpp"
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#include <fstream>
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#include <optional>
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#include <span>
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class FileReader {
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private:
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std::ifstream stream_;
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std::vector<Record> buffer_;
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size_t current_pos_;
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size_t valid_items_;
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size_t total_reads_;
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void refill_buffer();
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public:
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FileReader(const std::string& filename, size_t buffer_size = 8);
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std::optional<Record> read();
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size_t read_chunk(std::span<Record>& chunk);
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size_t total_reads() const;
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};
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