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