1// Copyright 2016 Google Inc. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#include "time_zone_if.h"
16#include "time_zone_info.h"
17#include "time_zone_libc.h"
18
19namespace cctz {
20
21std::unique_ptr<TimeZoneIf> TimeZoneIf::Load(const std::string& name) {
22 // Support "libc:localtime" and "libc:*" to access the legacy
23 // localtime and UTC support respectively from the C library.
24 if (name.compare(0, 5, "libc:") == 0) {
25 return std::unique_ptr<TimeZoneIf>(new TimeZoneLibC(name.substr(5)));
26 }
27
28 // Otherwise use the "zoneinfo" implementation by default.
29 std::unique_ptr<TimeZoneInfo> tz(new TimeZoneInfo);
30 if (!tz->Load(name)) tz.reset();
31 return std::unique_ptr<TimeZoneIf>(tz.release());
32}
33
34// Defined out-of-line to avoid emitting a weak vtable in all TUs.
35TimeZoneIf::~TimeZoneIf() {}
36
37} // namespace cctz
38