file_change_poller.h

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#pragma once
 
#include <chrono>
#include <filesystem>
#include <string>
 
namespace osc
{
    class FileChangePoller final {
    public:
        FileChangePoller(
            std::chrono::milliseconds delay_between_checks,
            const std::string& path
        );
 
        bool change_detected(const std::string& path);
 
    private:
        std::chrono::milliseconds delay_between_checks_;
        std::chrono::steady_clock::time_point next_polling_time_;
        std::filesystem::file_time_type file_last_modification_time_;
    };
}