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// 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.
#include "time_zone_if.h"
#include "absl/base/config.h"
#include "time_zone_info.h"
#include "time_zone_libc.h"
namespace absl {
ABSL_NAMESPACE_BEGIN
namespace time_internal {
namespace cctz {
std::unique_ptr<TimeZoneIf> TimeZoneIf::Load(const std::string& name) {
// Support "libc:localtime" and "libc:*" to access the legacy
// localtime and UTC support respectively from the C library.
if (name.compare(0, 5, "libc:") == 0) {
return std::unique_ptr<TimeZoneIf>(new TimeZoneLibC(name.substr(5)));
}
// Otherwise use the "zoneinfo" implementation by default.
std::unique_ptr<TimeZoneInfo> tz(new TimeZoneInfo);
if (!tz->Load(name)) tz.reset();
return std::unique_ptr<TimeZoneIf>(tz.release());
}
// Defined out-of-line to avoid emitting a weak vtable in all TUs.
TimeZoneIf::~TimeZoneIf() {}
} // namespace cctz
} // namespace time_internal
ABSL_NAMESPACE_END
} // namespace absl
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