level_filter.h

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#ifndef CPPLOGGING_FILTERS_LEVEL_FILTER_H
#define CPPLOGGING_FILTERS_LEVEL_FILTER_H
 
#include "logging/filter.h"
 
#include <atomic>
 
namespace CppLogging {
 
 
class LevelFilter : public Filter
{
public:
 
    explicit LevelFilter(Level level, bool positive = true) { Update(level, positive); }
 
    explicit LevelFilter(Level from, Level to, bool positive = true) { Update(from, to, positive); }
    LevelFilter(const LevelFilter&) = delete;
    LevelFilter(LevelFilter&&) = delete;
    virtual ~LevelFilter() = default;
 
    LevelFilter& operator=(const LevelFilter&) = delete;
    LevelFilter& operator=(LevelFilter&&) = delete;
 
    bool positive() const noexcept { return _positive; }
 
    Level from() const noexcept { return _from; }
    Level to() const noexcept { return _to; }
 
 
    void Update(Level level, bool positive = true);
 
    void Update(Level from, Level to, bool positive = true);
 
    // Implementation of Filter
    bool FilterRecord(Record& record) override;
 
private:
    std::atomic<bool> _positive;
    std::atomic<Level> _from;
    std::atomic<Level> _to;
};
 
} // namespace CppLogging
 
#endif // CPPLOGGING_FILTERS_LEVEL_FILTER_H