1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc.  All rights reserved.
3// https://developers.google.com/protocol-buffers/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are
7// met:
8//
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10// notice, this list of conditions and the following disclaimer.
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13// in the documentation and/or other materials provided with the
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18//
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20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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30#ifndef GOOGLE_PROTOBUF_STUBS_TIME_H_
31#define GOOGLE_PROTOBUF_STUBS_TIME_H_
32
33#include <google/protobuf/stubs/common.h>
34
35namespace google {
36namespace protobuf {
37namespace internal {
38
39struct DateTime {
40  int year;
41  int month;
42  int day;
43  int hour;
44  int minute;
45  int second;
46};
47
48// Converts a timestamp (seconds elapsed since 1970-01-01T00:00:00, could be
49// negative to represent time before 1970-01-01) to DateTime. Returns false
50// if the timestamp is not in the range between 0001-01-01T00:00:00 and
51// 9999-12-31T23:59:59.
52bool LIBPROTOBUF_EXPORT SecondsToDateTime(int64 seconds, DateTime* time);
53// Converts DateTime to a timestamp (seconds since 1970-01-01T00:00:00).
54// Returns false if the DateTime is not valid or is not in the valid range.
55bool LIBPROTOBUF_EXPORT DateTimeToSeconds(const DateTime& time, int64* seconds);
56
57void LIBPROTOBUF_EXPORT GetCurrentTime(int64* seconds, int32* nanos);
58
59// Formats a time string in RFC3339 fromat.
60//
61// For example, "2015-05-20T13:29:35.120Z". For nanos, 0, 3, 6 or 9 fractional
62// digits will be used depending on how many are required to represent the exact
63// value.
64//
65// Note that "nanos" must in the range of [0, 999999999].
66string LIBPROTOBUF_EXPORT FormatTime(int64 seconds, int32 nanos);
67// Parses a time string. This method accepts RFC3339 date/time string with UTC
68// offset. For example, "2015-05-20T13:29:35.120-08:00".
69bool LIBPROTOBUF_EXPORT ParseTime(const string& vaule, int64* seconds, int32* nanos);
70
71}  // namespace internal
72}  // namespace protobuf
73}  // namespace google
74
75#endif  // GOOGLE_PROTOBUF_STUBS_TIME_H_
76