// Copyright 2016 Google Inc. All Rights Reserved. // // 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 // // https://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 ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_LIBC_H_ #define ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_LIBC_H_ #include <string> #include "absl/base/config.h" #include "time_zone_if.h" namespace absl { ABSL_NAMESPACE_BEGIN namespace time_internal { namespace cctz { // A time zone backed by gmtime_r(3), localtime_r(3), and mktime(3), // and which therefore only supports UTC and the local time zone. // TODO: Add support for fixed offsets from UTC. class TimeZoneLibC : public TimeZoneIf { public: explicit TimeZoneLibC(const std::string& name); // TimeZoneIf implementations. time_zone::absolute_lookup BreakTime( const time_point<seconds>& tp) const override; time_zone::civil_lookup MakeTime(const civil_second& cs) const override; bool NextTransition(const time_point<seconds>& tp, time_zone::civil_transition* trans) const override; bool PrevTransition(const time_point<seconds>& tp, time_zone::civil_transition* trans) const override; std::string Version() const override; std::string Description() const override; private: const bool local_; // localtime or UTC }; } // namespace cctz } // namespace time_internal ABSL_NAMESPACE_END } // namespace absl #endif // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_LIBC_H_