mirror of https://github.com/sirupsen/logrus.git
87 lines
1.8 KiB
Go
87 lines
1.8 KiB
Go
package logrus
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import (
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"bytes"
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"fmt"
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"sort"
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"strings"
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"time"
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)
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const (
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nocolor = 0
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red = 31
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green = 32
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yellow = 33
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blue = 34
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)
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func init() {
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baseTimestamp = time.Now()
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}
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func miniTS() int {
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return int(time.Since(baseTimestamp) / time.Second)
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}
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type TextFormatter struct {
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// Set to true to bypass checking for a TTY before outputting colors.
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ForceColors bool
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DisableColors bool
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}
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func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
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b := &bytes.Buffer{}
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prefixFieldClashes(entry)
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if (f.ForceColors || IsTerminal()) && !DisableColors {
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levelText := strings.ToUpper(entry.Data["level"].(string))[0:4]
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levelColor := blue
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if entry.Data["level"] == "warning" {
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levelColor = yellow
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} else if entry.Data["level"] == "error" ||
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entry.Data["level"] == "fatal" ||
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entry.Data["level"] == "panic" {
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levelColor = red
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}
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fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%04d] %-44s ", levelColor, levelText, miniTS(), entry.Data["msg"])
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keys := make([]string, 0)
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for k, _ := range entry.Data {
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if k != "level" && k != "time" && k != "msg" {
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keys = append(keys, k)
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}
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}
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sort.Strings(keys)
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for _, k := range keys {
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v := entry.Data[k]
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fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=%v", levelColor, k, v)
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}
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} else {
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f.AppendKeyValue(b, "time", entry.Data["time"].(string))
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f.AppendKeyValue(b, "level", entry.Data["level"].(string))
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f.AppendKeyValue(b, "msg", entry.Data["msg"].(string))
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for key, value := range entry.Data {
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if key != "time" && key != "level" && key != "msg" {
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f.AppendKeyValue(b, key, value)
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}
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}
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}
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b.WriteByte('\n')
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return b.Bytes(), nil
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}
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func (f *TextFormatter) AppendKeyValue(b *bytes.Buffer, key, value interface{}) {
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if _, ok := value.(string); ok {
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fmt.Fprintf(b, "%v=%q ", key, value)
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} else {
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fmt.Fprintf(b, "%v=%v ", key, value)
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}
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}
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