| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 CORE_BASE_TIME_POINT_H |
| #define CORE_BASE_TIME_POINT_H |
| |
| #include <cstdint> |
| #include "base/time_unit.h" |
| |
| namespace weex { |
| namespace base { |
| class TimePoint { |
| public: |
| static TimePoint Now(); |
| |
| TimePoint operator+(TimeUnit unit) const { |
| return TimePoint(nanos_ + unit.ToNanoseconds()); |
| } |
| TimePoint operator-(TimeUnit unit) const { |
| return TimePoint(nanos_ - unit.ToNanoseconds()); |
| } |
| TimeUnit operator-(TimePoint other) const { |
| return TimeUnit::FromNanoseconds(nanos_ - other.nanos_); |
| } |
| |
| bool operator==(TimePoint other) const { return nanos_ == other.nanos_; } |
| bool operator!=(TimePoint other) const { return nanos_ != other.nanos_; } |
| bool operator<(TimePoint other) const { return nanos_ < other.nanos_; } |
| bool operator<=(TimePoint other) const { return nanos_ <= other.nanos_; } |
| bool operator>(TimePoint other) const { return nanos_ > other.nanos_; } |
| bool operator>=(TimePoint other) const { return nanos_ >= other.nanos_; } |
| |
| constexpr TimeUnit ToTimeUnit() const { |
| return TimeUnit::FromNanoseconds(nanos_); |
| } |
| |
| private: |
| explicit constexpr TimePoint(int64_t ns) : nanos_(ns) {} |
| int64_t nanos_; |
| }; |
| } // namespace base |
| } // namespace weex |
| |
| #endif // CORE_BASE_TIME_POINT_H |