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package log
import (
"fmt"
"math"
"os"
"strings"
"time"
"github.com/charmbracelet/lipgloss"
"github.com/charmbracelet/log"
)
// Run is the command-line interface for logging text.
func (o Options) Run() error {
l := log.New(os.Stderr)
if o.File != "" {
f, err := os.OpenFile(o.File, os.O_CREATE|os.O_WRONLY|os.O_APPEND, os.ModePerm)
if err != nil {
return fmt.Errorf("error opening file: %w", err)
}
defer f.Close() //nolint:errcheck
l.SetOutput(f)
}
l.SetPrefix(o.Prefix)
l.SetLevel(-math.MaxInt32) // log all levels
l.SetReportTimestamp(o.Time != "")
timeFormats := map[string]string{
"layout": time.Layout,
"ansic": time.ANSIC,
"unixdate": time.UnixDate,
"rubydate": time.RubyDate,
"rfc822": time.RFC822,
"rfc822z": time.RFC822Z,
"rfc850": time.RFC850,
"rfc1123": time.RFC1123,
"rfc1123z": time.RFC1123Z,
"rfc3339": time.RFC3339,
"rfc3339nano": time.RFC3339Nano,
"kitchen": time.Kitchen,
"stamp": time.Stamp,
"stampmilli": time.StampMilli,
"stampmicro": time.StampMicro,
"stampnano": time.StampNano,
"datetime": time.DateTime,
"dateonly": time.DateOnly,
"timeonly": time.TimeOnly,
}
tf, ok := timeFormats[strings.ToLower(o.Time)]
if ok {
l.SetTimeFormat(tf)
} else {
l.SetTimeFormat(o.Time)
}
st := log.DefaultStyles()
lvl := levelToLog[o.Level]
lvlStyle := o.LevelStyle.ToLipgloss()
if lvlStyle.GetForeground() == lipgloss.Color("") {
lvlStyle = lvlStyle.Foreground(st.Levels[lvl].GetForeground())
}
st.Levels[lvl] = lvlStyle.
SetString(strings.ToUpper(lvl.String())).
Inline(true)
st.Timestamp = o.TimeStyle.ToLipgloss().
Inline(true)
st.Prefix = o.PrefixStyle.ToLipgloss().
Inline(true)
st.Message = o.MessageStyle.ToLipgloss().
Inline(true)
st.Key = o.KeyStyle.ToLipgloss().
Inline(true)
st.Value = o.ValueStyle.ToLipgloss().
Inline(true)
st.Separator = o.SeparatorStyle.ToLipgloss().
Inline(true)
l.SetStyles(st)
switch o.Formatter {
case "json":
l.SetFormatter(log.JSONFormatter)
case "logfmt":
l.SetFormatter(log.LogfmtFormatter)
case "text":
l.SetFormatter(log.TextFormatter)
}
var arg0 string
var args []interface{}
if len(o.Text) > 0 {
arg0 = o.Text[0]
}
if len(o.Text) > 1 {
args = make([]interface{}, len(o.Text[1:]))
for i, arg := range o.Text[1:] {
args[i] = arg
}
}
logger := map[string]logger{
"none": {printf: l.Printf, print: l.Print},
"debug": {printf: l.Debugf, print: l.Debug},
"info": {printf: l.Infof, print: l.Info},
"warn": {printf: l.Warnf, print: l.Warn},
"error": {printf: l.Errorf, print: l.Error},
"fatal": {printf: l.Fatalf, print: l.Fatal},
}[o.Level]
if o.Format {
logger.printf(arg0, args...)
} else if o.Structured {
logger.print(arg0, args...)
} else {
logger.print(strings.Join(o.Text, " "))
}
return nil
}
type logger struct {
printf func(string, ...interface{})
print func(interface{}, ...interface{})
}
var levelToLog = map[string]log.Level{
"none": log.Level(math.MaxInt32),
"debug": log.DebugLevel,
"info": log.InfoLevel,
"warn": log.WarnLevel,
"error": log.ErrorLevel,
"fatal": log.FatalLevel,
}
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