1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
package internal
import (
"bytes"
"fmt"
"io"
"sync"
"github.com/go-logr/logr"
"github.com/go-logr/logr/funcr"
)
type WriterMode uint
const (
WriterModeStreamAndBuffer WriterMode = iota
WriterModeBufferOnly
)
type WriterInterface interface {
io.Writer
Truncate()
Bytes() []byte
Len() int
}
// Writer implements WriterInterface and GinkgoWriterInterface
type Writer struct {
buffer *bytes.Buffer
outWriter io.Writer
lock *sync.Mutex
mode WriterMode
streamIndent []byte
indentNext bool
teeWriters []io.Writer
}
func NewWriter(outWriter io.Writer) *Writer {
return &Writer{
buffer: &bytes.Buffer{},
lock: &sync.Mutex{},
outWriter: outWriter,
mode: WriterModeStreamAndBuffer,
streamIndent: []byte(" "),
indentNext: true,
}
}
func (w *Writer) SetMode(mode WriterMode) {
w.lock.Lock()
defer w.lock.Unlock()
w.mode = mode
}
func (w *Writer) Len() int {
w.lock.Lock()
defer w.lock.Unlock()
return w.buffer.Len()
}
var newline = []byte("\n")
func (w *Writer) Write(b []byte) (n int, err error) {
w.lock.Lock()
defer w.lock.Unlock()
for _, teeWriter := range w.teeWriters {
teeWriter.Write(b)
}
if w.mode == WriterModeStreamAndBuffer {
line, remaining, found := []byte{}, b, false
for len(remaining) > 0 {
line, remaining, found = bytes.Cut(remaining, newline)
if len(line) > 0 {
if w.indentNext {
w.outWriter.Write(w.streamIndent)
w.indentNext = false
}
w.outWriter.Write(line)
}
if found {
w.outWriter.Write(newline)
w.indentNext = true
}
}
}
return w.buffer.Write(b)
}
func (w *Writer) Truncate() {
w.lock.Lock()
defer w.lock.Unlock()
w.buffer.Reset()
}
func (w *Writer) Bytes() []byte {
w.lock.Lock()
defer w.lock.Unlock()
b := w.buffer.Bytes()
copied := make([]byte, len(b))
copy(copied, b)
return copied
}
// GinkgoWriterInterface
func (w *Writer) TeeTo(writer io.Writer) {
w.lock.Lock()
defer w.lock.Unlock()
w.teeWriters = append(w.teeWriters, writer)
}
func (w *Writer) ClearTeeWriters() {
w.lock.Lock()
defer w.lock.Unlock()
w.teeWriters = []io.Writer{}
}
func (w *Writer) Print(a ...interface{}) {
fmt.Fprint(w, a...)
}
func (w *Writer) Printf(format string, a ...interface{}) {
fmt.Fprintf(w, format, a...)
}
func (w *Writer) Println(a ...interface{}) {
fmt.Fprintln(w, a...)
}
func GinkgoLogrFunc(writer *Writer) logr.Logger {
return funcr.New(func(prefix, args string) {
if prefix == "" {
writer.Printf("%s\n", args)
} else {
writer.Printf("%s %s\n", prefix, args)
}
}, funcr.Options{})
}
|
