85 lines
1.5 KiB
Go
85 lines
1.5 KiB
Go
package cli
|
||
|
||
import (
|
||
"fmt"
|
||
"io"
|
||
"os"
|
||
"sync"
|
||
"time"
|
||
|
||
"github.com/apex/log"
|
||
"github.com/fatih/color"
|
||
colorable "github.com/mattn/go-colorable"
|
||
)
|
||
|
||
// Default handler outputting to stderr.
|
||
var Default = New(os.Stderr)
|
||
|
||
// start time.
|
||
var start = time.Now()
|
||
|
||
var bold = color.New(color.Bold)
|
||
|
||
// Colors mapping.
|
||
var Colors = [...]*color.Color{
|
||
log.DebugLevel: color.New(color.FgWhite),
|
||
log.InfoLevel: color.New(color.FgBlue),
|
||
log.WarnLevel: color.New(color.FgYellow),
|
||
log.ErrorLevel: color.New(color.FgRed),
|
||
log.FatalLevel: color.New(color.FgRed),
|
||
}
|
||
|
||
// Strings mapping.
|
||
var Strings = [...]string{
|
||
log.DebugLevel: "•",
|
||
log.InfoLevel: "•",
|
||
log.WarnLevel: "•",
|
||
log.ErrorLevel: "⨯",
|
||
log.FatalLevel: "⨯",
|
||
}
|
||
|
||
// Handler implementation.
|
||
type Handler struct {
|
||
mu sync.Mutex
|
||
Writer io.Writer
|
||
Padding int
|
||
}
|
||
|
||
// New handler.
|
||
func New(w io.Writer) *Handler {
|
||
if f, ok := w.(*os.File); ok {
|
||
return &Handler{
|
||
Writer: colorable.NewColorable(f),
|
||
Padding: 3,
|
||
}
|
||
}
|
||
|
||
return &Handler{
|
||
Writer: w,
|
||
Padding: 3,
|
||
}
|
||
}
|
||
|
||
// HandleLog implements log.Handler.
|
||
func (h *Handler) HandleLog(e *log.Entry) error {
|
||
color := Colors[e.Level]
|
||
level := Strings[e.Level]
|
||
names := e.Fields.Names()
|
||
|
||
h.mu.Lock()
|
||
defer h.mu.Unlock()
|
||
|
||
color.Fprintf(h.Writer, "%s %-25s", bold.Sprintf("%*s", h.Padding+1, level), e.Message)
|
||
|
||
for _, name := range names {
|
||
if name == "source" {
|
||
continue
|
||
}
|
||
fmt.Fprintf(h.Writer, " %s=%s", color.Sprint(name), e.Fields.Get(name))
|
||
}
|
||
|
||
fmt.Fprintln(h.Writer)
|
||
|
||
return nil
|
||
}
|