phase_scope.h

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#ifndef CPPBENCHMARK_PHASE_SCOPE_H
#define CPPBENCHMARK_PHASE_SCOPE_H
 
#include "benchmark/phase.h"
 
namespace CppBenchmark {
 
 
class PhaseScope : public Phase
{
public:
 
    explicit PhaseScope(const std::shared_ptr<Phase>& phase) noexcept : _phase(phase) {}
    PhaseScope(const PhaseScope&) noexcept = default;
    PhaseScope(PhaseScope&&) noexcept = default;
    virtual ~PhaseScope();
 
    PhaseScope& operator=(const PhaseScope&) noexcept = default;
    PhaseScope& operator=(PhaseScope&&) noexcept = default;
 
    explicit operator bool() const noexcept
    { return _phase ? true : false; }
 
    // Implementation of Phase
    const std::string& name() const noexcept override
    { return _phase ? _phase->name() : EMPTY_NAME; }
    const PhaseMetrics& metrics() const noexcept override
    { return _phase ? _phase->metrics() : EMPTY_METRICS; }
    std::shared_ptr<Phase> StartPhase(const std::string& phase) override;
    std::shared_ptr<Phase> StartPhaseThreadSafe(const std::string& phase) override;
    void StopPhase() override;
    std::shared_ptr<PhaseScope> ScopePhase(const std::string& phase) override;
    std::shared_ptr<PhaseScope> ScopePhaseThreadSafe(const std::string& phase) override;
 
private:
    std::shared_ptr<Phase> _phase;
 
    static const std::string EMPTY_NAME;
    static const PhaseMetrics EMPTY_METRICS;
};
 
} // namespace CppBenchmark
 
#endif // CPPBENCHMARK_PHASE_SCOPE_H