mirror of https://github.com/sirupsen/logrus.git
79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package logrus
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import (
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"fmt"
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"sort"
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"strings"
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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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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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}
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func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
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var serialized []byte
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if f.ForceColors || IsTerminal() {
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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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serialized = append(serialized, []byte(fmt.Sprintf("\x1b[%dm%s\x1b[0m[%04d] %-45s ", 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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first := true
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for _, k := range keys {
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v := entry.Data[k]
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if first {
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first = false
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} else {
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serialized = append(serialized, ' ')
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}
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serialized = append(serialized, []byte(fmt.Sprintf("\x1b[%dm%s\x1b[0m=%v", levelColor, k, v))...)
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}
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} else {
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serialized = f.AppendKeyValue(serialized, "time", entry.Data["time"].(string))
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serialized = f.AppendKeyValue(serialized, "level", entry.Data["level"].(string))
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serialized = f.AppendKeyValue(serialized, "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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serialized = f.AppendKeyValue(serialized, key, value)
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}
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}
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}
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return append(serialized, '\n'), nil
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}
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func (f *TextFormatter) AppendKeyValue(serialized []byte, key, value interface{}) []byte {
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if _, ok := value.(string); ok {
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return append(serialized, []byte(fmt.Sprintf("%v=%q ", key, value))...)
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} else {
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return append(serialized, []byte(fmt.Sprintf("%v=%v ", key, value))...)
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}
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}
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