mirror of
https://github.com/astaxie/beego.git
synced 2024-11-22 04:00:55 +00:00
130 lines
3.2 KiB
Go
130 lines
3.2 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package logs
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
"github.com/shiena/ansicolor"
|
|
)
|
|
|
|
// brush is a color join function
|
|
type brush func(string) string
|
|
|
|
// newBrush returns a fix color Brush
|
|
func newBrush(color string) brush {
|
|
pre := "\033["
|
|
reset := "\033[0m"
|
|
return func(text string) string {
|
|
return pre + color + "m" + text + reset
|
|
}
|
|
}
|
|
|
|
var colors = []brush{
|
|
newBrush("1;37"), // Emergency white
|
|
newBrush("1;36"), // Alert cyan
|
|
newBrush("1;35"), // Critical magenta
|
|
newBrush("1;31"), // Error red
|
|
newBrush("1;33"), // Warning yellow
|
|
newBrush("1;32"), // Notice green
|
|
newBrush("1;34"), // Informational blue
|
|
newBrush("1;44"), // Debug Background blue
|
|
}
|
|
|
|
// consoleWriter implements LoggerInterface and writes messages to terminal.
|
|
type consoleWriter struct {
|
|
lg *logWriter
|
|
formatter LogFormatter
|
|
Formatter string `json:"formatter"`
|
|
Level int `json:"level"`
|
|
Colorful bool `json:"color"` // this filed is useful only when system's terminal supports color
|
|
}
|
|
|
|
func (c *consoleWriter) Format(lm *LogMsg) string {
|
|
msg := lm.OldStyleFormat()
|
|
if c.Colorful {
|
|
msg = strings.Replace(msg, levelPrefix[lm.Level], colors[lm.Level](levelPrefix[lm.Level]), 1)
|
|
}
|
|
h, _, _ := formatTimeHeader(lm.When)
|
|
bytes := append(append(h, msg...), '\n')
|
|
return string(bytes)
|
|
}
|
|
|
|
func (c *consoleWriter) SetFormatter(f LogFormatter) {
|
|
c.formatter = f
|
|
}
|
|
|
|
// NewConsole creates ConsoleWriter returning as LoggerInterface.
|
|
func NewConsole() Logger {
|
|
return newConsole()
|
|
}
|
|
|
|
func newConsole() *consoleWriter {
|
|
cw := &consoleWriter{
|
|
lg: newLogWriter(ansicolor.NewAnsiColorWriter(os.Stdout)),
|
|
Level: LevelDebug,
|
|
Colorful: true,
|
|
}
|
|
cw.formatter = cw
|
|
return cw
|
|
}
|
|
|
|
// Init initianlizes the console logger.
|
|
// jsonConfig must be in the format '{"level":LevelTrace}'
|
|
func (c *consoleWriter) Init(config string) error {
|
|
|
|
if len(config) == 0 {
|
|
return nil
|
|
}
|
|
|
|
res := json.Unmarshal([]byte(config), c)
|
|
if res == nil && len(c.Formatter) > 0 {
|
|
fmtr, ok := GetFormatter(c.Formatter)
|
|
if !ok {
|
|
return errors.New(fmt.Sprintf("the formatter with name: %s not found", c.Formatter))
|
|
}
|
|
c.formatter = fmtr
|
|
}
|
|
return res
|
|
}
|
|
|
|
// WriteMsg writes message in console.
|
|
func (c *consoleWriter) WriteMsg(lm *LogMsg) error {
|
|
if lm.Level > c.Level {
|
|
return nil
|
|
}
|
|
msg := c.formatter.Format(lm)
|
|
c.lg.writeln(msg)
|
|
return nil
|
|
}
|
|
|
|
// Destroy implementing method. empty.
|
|
func (c *consoleWriter) Destroy() {
|
|
|
|
}
|
|
|
|
// Flush implementing method. empty.
|
|
func (c *consoleWriter) Flush() {
|
|
|
|
}
|
|
|
|
func init() {
|
|
Register(AdapterConsole, NewConsole)
|
|
}
|