1// Protocol Buffers for Go with Gadgets
2//
3// Copyright (c) 2016, The GoGo Authors. All rights reserved.
4// http://github.com/gogo/protobuf
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met:
9//
10//     * Redistributions of source code must retain the above copyright
11// notice, this list of conditions and the following disclaimer.
12//     * Redistributions in binary form must reproduce the above
13// copyright notice, this list of conditions and the following disclaimer
14// in the documentation and/or other materials provided with the
15// distribution.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29package types
30
31import (
32	"fmt"
33	"time"
34)
35
36func NewPopulatedDuration(r interface {
37	Int63() int64
38}, easy bool) *Duration {
39	this := &Duration{}
40	maxSecs := time.Hour.Nanoseconds() / 1e9
41	max := 2 * maxSecs
42	s := int64(r.Int63()) % max
43	s -= maxSecs
44	neg := int64(1)
45	if s < 0 {
46		neg = -1
47	}
48	this.Seconds = s
49	this.Nanos = int32(neg * (r.Int63() % 1e9))
50	return this
51}
52
53func (d *Duration) String() string {
54	td, err := DurationFromProto(d)
55	if err != nil {
56		return fmt.Sprintf("(%v)", err)
57	}
58	return td.String()
59}
60
61func NewPopulatedStdDuration(r interface {
62	Int63() int64
63}, easy bool) *time.Duration {
64	dur := NewPopulatedDuration(r, easy)
65	d, err := DurationFromProto(dur)
66	if err != nil {
67		return nil
68	}
69	return &d
70}
71
72func SizeOfStdDuration(d time.Duration) int {
73	dur := DurationProto(d)
74	return dur.Size()
75}
76
77func StdDurationMarshal(d time.Duration) ([]byte, error) {
78	size := SizeOfStdDuration(d)
79	buf := make([]byte, size)
80	_, err := StdDurationMarshalTo(d, buf)
81	return buf, err
82}
83
84func StdDurationMarshalTo(d time.Duration, data []byte) (int, error) {
85	dur := DurationProto(d)
86	return dur.MarshalTo(data)
87}
88
89func StdDurationUnmarshal(d *time.Duration, data []byte) error {
90	dur := &Duration{}
91	if err := dur.Unmarshal(data); err != nil {
92		return err
93	}
94	dd, err := DurationFromProto(dur)
95	if err != nil {
96		return err
97	}
98	*d = dd
99	return nil
100}
101