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 // https://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 "absl/time/internal/cctz/include/cctz/civil_time_detail.h"
16
17 #include <iomanip>
18 #include <ostream>
19 #include <sstream>
20
21 #include "absl/base/config.h"
22
23 namespace absl {
24 ABSL_NAMESPACE_BEGIN
25 namespace time_internal {
26 namespace cctz {
27 namespace detail {
28
29 // Output stream operators output a format matching YYYY-MM-DDThh:mm:ss,
30 // while omitting fields inferior to the type's alignment. For example,
31 // civil_day is formatted only as YYYY-MM-DD.
operator <<(std::ostream & os,const civil_year & y)32 std::ostream& operator<<(std::ostream& os, const civil_year& y) {
33 std::stringstream ss;
34 ss << y.year(); // No padding.
35 return os << ss.str();
36 }
operator <<(std::ostream & os,const civil_month & m)37 std::ostream& operator<<(std::ostream& os, const civil_month& m) {
38 std::stringstream ss;
39 ss << civil_year(m) << '-';
40 ss << std::setfill('0') << std::setw(2) << m.month();
41 return os << ss.str();
42 }
operator <<(std::ostream & os,const civil_day & d)43 std::ostream& operator<<(std::ostream& os, const civil_day& d) {
44 std::stringstream ss;
45 ss << civil_month(d) << '-';
46 ss << std::setfill('0') << std::setw(2) << d.day();
47 return os << ss.str();
48 }
operator <<(std::ostream & os,const civil_hour & h)49 std::ostream& operator<<(std::ostream& os, const civil_hour& h) {
50 std::stringstream ss;
51 ss << civil_day(h) << 'T';
52 ss << std::setfill('0') << std::setw(2) << h.hour();
53 return os << ss.str();
54 }
operator <<(std::ostream & os,const civil_minute & m)55 std::ostream& operator<<(std::ostream& os, const civil_minute& m) {
56 std::stringstream ss;
57 ss << civil_hour(m) << ':';
58 ss << std::setfill('0') << std::setw(2) << m.minute();
59 return os << ss.str();
60 }
operator <<(std::ostream & os,const civil_second & s)61 std::ostream& operator<<(std::ostream& os, const civil_second& s) {
62 std::stringstream ss;
63 ss << civil_minute(s) << ':';
64 ss << std::setfill('0') << std::setw(2) << s.second();
65 return os << ss.str();
66 }
67
68 ////////////////////////////////////////////////////////////////////////
69
operator <<(std::ostream & os,weekday wd)70 std::ostream& operator<<(std::ostream& os, weekday wd) {
71 switch (wd) {
72 case weekday::monday:
73 return os << "Monday";
74 case weekday::tuesday:
75 return os << "Tuesday";
76 case weekday::wednesday:
77 return os << "Wednesday";
78 case weekday::thursday:
79 return os << "Thursday";
80 case weekday::friday:
81 return os << "Friday";
82 case weekday::saturday:
83 return os << "Saturday";
84 case weekday::sunday:
85 return os << "Sunday";
86 }
87 return os; // Should never get here, but -Wreturn-type may warn without this.
88 }
89
90 } // namespace detail
91 } // namespace cctz
92 } // namespace time_internal
93 ABSL_NAMESPACE_END
94 } // namespace absl
95