QualifiedTime.hh

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/*
 * Copyright (C) 2018 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/
#ifndef GZ_TRANSPORT_LOG_QUALIFIEDTIME_HH_
#define GZ_TRANSPORT_LOG_QUALIFIEDTIME_HH_
 
#include <chrono>
#include <cstdint>
#include <memory>
 
#include <gz/transport/config.hh>
#include <gz/transport/log/Export.hh>
 
namespace gz
{
  namespace transport
  {
    namespace log
    {
      // Inline bracket to help doxygen filtering.
      inline namespace GZ_TRANSPORT_VERSION_NAMESPACE {
      //
      class GZ_TRANSPORT_LOG_VISIBLE QualifiedTime
      {
        public: enum class Qualifier : int64_t
        {
          INCLUSIVE = 0,
 
          EXCLUSIVE
        };
 
        using Time = std::chrono::nanoseconds;
 
        public: QualifiedTime(const Time &_time,
                              Qualifier _qualifier = Qualifier::INCLUSIVE);
 
        public: template <typename Rep, typename Period>
        QualifiedTime(const std::chrono::duration<Rep, Period> &_time,
                      Qualifier _qualifier = Qualifier::INCLUSIVE)
          : QualifiedTime(static_cast<const Time &>(_time), _qualifier) { }
 
        public: QualifiedTime(/* Indeterminate */);
 
        public: QualifiedTime(const QualifiedTime &_other);
 
        public: QualifiedTime &operator=(const QualifiedTime &_other);
 
        public: QualifiedTime(QualifiedTime &&_old) = default;  // NOLINT
 
        public: QualifiedTime &operator=(
            QualifiedTime &&) = default;  // NOLINT(build/c++11)
 
        public: bool operator==(const QualifiedTime &_other) const;
 
        public: bool operator!=(const QualifiedTime &_other) const;
 
        public: bool IsIndeterminate() const;
 
        public: const Time *GetTime() const;
 
        public: const Qualifier *GetQualifier() const;
 
        public: void SetTime(const Time &_time,
                             Qualifier _qualifier = Qualifier::INCLUSIVE);
 
        public: void Clear();
 
        public: ~QualifiedTime();
 
        private: class Implementation;
 
#ifdef _WIN32
// Disable warning C4251 which is triggered by
// std::*
#pragma warning(push)
#pragma warning(disable: 4251)
#endif
        private: std::unique_ptr<Implementation,
                    void (*)(Implementation*)> dataPtr;
#ifdef _WIN32
#pragma warning(pop)
#endif
      };
 
      class GZ_TRANSPORT_LOG_VISIBLE QualifiedTimeRange
      {
        public: QualifiedTimeRange(
          const QualifiedTime &_begin,
          const QualifiedTime &_end);
 
        public: QualifiedTimeRange(const QualifiedTimeRange &_other);
 
        public: QualifiedTimeRange &operator=(const QualifiedTimeRange &_other);
 
        public: QualifiedTimeRange(QualifiedTimeRange &&_old);  // NOLINT
 
        public: QualifiedTimeRange &operator=(
            QualifiedTimeRange &&) = default;  // NOLINT(build/c++11)
 
        public: bool operator==(const QualifiedTimeRange &_other) const;
 
        public: bool operator!=(const QualifiedTimeRange &_other) const;
 
        public: static QualifiedTimeRange From(const QualifiedTime &_begin);
 
        public: static QualifiedTimeRange Until(const QualifiedTime &_end);
 
        public: static QualifiedTimeRange AllTime();
 
        public: const QualifiedTime &Beginning() const;
 
        public: const QualifiedTime &Ending() const;
 
        public: bool SetBeginning(const QualifiedTime &_begin);
 
        public: bool SetEnding(const QualifiedTime &_end);
 
        public: bool SetRange(const QualifiedTime &_begin,
                              const QualifiedTime &_end);
 
        public: bool Valid() const;
 
        public: ~QualifiedTimeRange();
 
        private: class Implementation;
 
#ifdef _WIN32
// Disable warning C4251 which is triggered by
// std::*
#pragma warning(push)
#pragma warning(disable: 4251)
#endif
        private: std::unique_ptr<Implementation,
                    void(*)(Implementation*)> dataPtr;
#ifdef _WIN32
#pragma warning(pop)
#endif
      };
      }
    }
  }
}
 
#endif