idun/vendor/github.com/rs/zerolog/console.go
Renovate Bot 1a7b182350
Some checks are pending
Dev Version / Release (push) Waiting to run
chore(deps): update module github.com/rs/zerolog to v1.33.0 (#3)
This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [github.com/rs/zerolog](https://github.com/rs/zerolog) | require | minor | `v1.31.0` -> `v1.33.0` |

>  **Important**
>
> Release Notes retrieval for this PR were skipped because no github.com credentials were available.
> If you are self-hosted, please see [this instruction](https://github.com/renovatebot/renovate/blob/master/docs/usage/examples/self-hosting.md#githubcom-token-for-release-notes).

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4yMS4yIiwidXBkYXRlZEluVmVyIjoiMzguMjEuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->

Reviewed-on: #3
Co-authored-by: Renovate Bot <renovate@keks.cloud>
Co-committed-by: Renovate Bot <renovate@keks.cloud>
2024-09-14 01:23:35 +00:00

520 lines
11 KiB
Go
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

package zerolog
import (
"bytes"
"encoding/json"
"fmt"
"io"
"os"
"path/filepath"
"sort"
"strconv"
"strings"
"sync"
"time"
"github.com/mattn/go-colorable"
)
const (
colorBlack = iota + 30
colorRed
colorGreen
colorYellow
colorBlue
colorMagenta
colorCyan
colorWhite
colorBold = 1
colorDarkGray = 90
unknownLevel = "???"
)
var (
consoleBufPool = sync.Pool{
New: func() interface{} {
return bytes.NewBuffer(make([]byte, 0, 100))
},
}
)
const (
consoleDefaultTimeFormat = time.Kitchen
)
// Formatter transforms the input into a formatted string.
type Formatter func(interface{}) string
// ConsoleWriter parses the JSON input and writes it in an
// (optionally) colorized, human-friendly format to Out.
type ConsoleWriter struct {
// Out is the output destination.
Out io.Writer
// NoColor disables the colorized output.
NoColor bool
// TimeFormat specifies the format for timestamp in output.
TimeFormat string
// TimeLocation tells ConsoleWriters default FormatTimestamp
// how to localize the time.
TimeLocation *time.Location
// PartsOrder defines the order of parts in output.
PartsOrder []string
// PartsExclude defines parts to not display in output.
PartsExclude []string
// FieldsOrder defines the order of contextual fields in output.
FieldsOrder []string
fieldIsOrdered map[string]int
// FieldsExclude defines contextual fields to not display in output.
FieldsExclude []string
FormatTimestamp Formatter
FormatLevel Formatter
FormatCaller Formatter
FormatMessage Formatter
FormatFieldName Formatter
FormatFieldValue Formatter
FormatErrFieldName Formatter
FormatErrFieldValue Formatter
FormatExtra func(map[string]interface{}, *bytes.Buffer) error
FormatPrepare func(map[string]interface{}) error
}
// NewConsoleWriter creates and initializes a new ConsoleWriter.
func NewConsoleWriter(options ...func(w *ConsoleWriter)) ConsoleWriter {
w := ConsoleWriter{
Out: os.Stdout,
TimeFormat: consoleDefaultTimeFormat,
PartsOrder: consoleDefaultPartsOrder(),
}
for _, opt := range options {
opt(&w)
}
// Fix color on Windows
if w.Out == os.Stdout || w.Out == os.Stderr {
w.Out = colorable.NewColorable(w.Out.(*os.File))
}
return w
}
// Write transforms the JSON input with formatters and appends to w.Out.
func (w ConsoleWriter) Write(p []byte) (n int, err error) {
// Fix color on Windows
if w.Out == os.Stdout || w.Out == os.Stderr {
w.Out = colorable.NewColorable(w.Out.(*os.File))
}
if w.PartsOrder == nil {
w.PartsOrder = consoleDefaultPartsOrder()
}
var buf = consoleBufPool.Get().(*bytes.Buffer)
defer func() {
buf.Reset()
consoleBufPool.Put(buf)
}()
var evt map[string]interface{}
p = decodeIfBinaryToBytes(p)
d := json.NewDecoder(bytes.NewReader(p))
d.UseNumber()
err = d.Decode(&evt)
if err != nil {
return n, fmt.Errorf("cannot decode event: %s", err)
}
if w.FormatPrepare != nil {
err = w.FormatPrepare(evt)
if err != nil {
return n, err
}
}
for _, p := range w.PartsOrder {
w.writePart(buf, evt, p)
}
w.writeFields(evt, buf)
if w.FormatExtra != nil {
err = w.FormatExtra(evt, buf)
if err != nil {
return n, err
}
}
err = buf.WriteByte('\n')
if err != nil {
return n, err
}
_, err = buf.WriteTo(w.Out)
return len(p), err
}
// Call the underlying writer's Close method if it is an io.Closer. Otherwise
// does nothing.
func (w ConsoleWriter) Close() error {
if closer, ok := w.Out.(io.Closer); ok {
return closer.Close()
}
return nil
}
// writeFields appends formatted key-value pairs to buf.
func (w ConsoleWriter) writeFields(evt map[string]interface{}, buf *bytes.Buffer) {
var fields = make([]string, 0, len(evt))
for field := range evt {
var isExcluded bool
for _, excluded := range w.FieldsExclude {
if field == excluded {
isExcluded = true
break
}
}
if isExcluded {
continue
}
switch field {
case LevelFieldName, TimestampFieldName, MessageFieldName, CallerFieldName:
continue
}
fields = append(fields, field)
}
if len(w.FieldsOrder) > 0 {
w.orderFields(fields)
} else {
sort.Strings(fields)
}
// Write space only if something has already been written to the buffer, and if there are fields.
if buf.Len() > 0 && len(fields) > 0 {
buf.WriteByte(' ')
}
// Move the "error" field to the front
ei := sort.Search(len(fields), func(i int) bool { return fields[i] >= ErrorFieldName })
if ei < len(fields) && fields[ei] == ErrorFieldName {
fields[ei] = ""
fields = append([]string{ErrorFieldName}, fields...)
var xfields = make([]string, 0, len(fields))
for _, field := range fields {
if field == "" { // Skip empty fields
continue
}
xfields = append(xfields, field)
}
fields = xfields
}
for i, field := range fields {
var fn Formatter
var fv Formatter
if field == ErrorFieldName {
if w.FormatErrFieldName == nil {
fn = consoleDefaultFormatErrFieldName(w.NoColor)
} else {
fn = w.FormatErrFieldName
}
if w.FormatErrFieldValue == nil {
fv = consoleDefaultFormatErrFieldValue(w.NoColor)
} else {
fv = w.FormatErrFieldValue
}
} else {
if w.FormatFieldName == nil {
fn = consoleDefaultFormatFieldName(w.NoColor)
} else {
fn = w.FormatFieldName
}
if w.FormatFieldValue == nil {
fv = consoleDefaultFormatFieldValue
} else {
fv = w.FormatFieldValue
}
}
buf.WriteString(fn(field))
switch fValue := evt[field].(type) {
case string:
if needsQuote(fValue) {
buf.WriteString(fv(strconv.Quote(fValue)))
} else {
buf.WriteString(fv(fValue))
}
case json.Number:
buf.WriteString(fv(fValue))
default:
b, err := InterfaceMarshalFunc(fValue)
if err != nil {
fmt.Fprintf(buf, colorize("[error: %v]", colorRed, w.NoColor), err)
} else {
fmt.Fprint(buf, fv(b))
}
}
if i < len(fields)-1 { // Skip space for last field
buf.WriteByte(' ')
}
}
}
// writePart appends a formatted part to buf.
func (w ConsoleWriter) writePart(buf *bytes.Buffer, evt map[string]interface{}, p string) {
var f Formatter
if w.PartsExclude != nil && len(w.PartsExclude) > 0 {
for _, exclude := range w.PartsExclude {
if exclude == p {
return
}
}
}
switch p {
case LevelFieldName:
if w.FormatLevel == nil {
f = consoleDefaultFormatLevel(w.NoColor)
} else {
f = w.FormatLevel
}
case TimestampFieldName:
if w.FormatTimestamp == nil {
f = consoleDefaultFormatTimestamp(w.TimeFormat, w.TimeLocation, w.NoColor)
} else {
f = w.FormatTimestamp
}
case MessageFieldName:
if w.FormatMessage == nil {
f = consoleDefaultFormatMessage(w.NoColor, evt[LevelFieldName])
} else {
f = w.FormatMessage
}
case CallerFieldName:
if w.FormatCaller == nil {
f = consoleDefaultFormatCaller(w.NoColor)
} else {
f = w.FormatCaller
}
default:
if w.FormatFieldValue == nil {
f = consoleDefaultFormatFieldValue
} else {
f = w.FormatFieldValue
}
}
var s = f(evt[p])
if len(s) > 0 {
if buf.Len() > 0 {
buf.WriteByte(' ') // Write space only if not the first part
}
buf.WriteString(s)
}
}
// orderFields takes an array of field names and an array representing field order
// and returns an array with any ordered fields at the beginning, in order,
// and the remaining fields after in their original order.
func (w ConsoleWriter) orderFields(fields []string) {
if w.fieldIsOrdered == nil {
w.fieldIsOrdered = make(map[string]int)
for i, fieldName := range w.FieldsOrder {
w.fieldIsOrdered[fieldName] = i
}
}
sort.Slice(fields, func(i, j int) bool {
ii, iOrdered := w.fieldIsOrdered[fields[i]]
jj, jOrdered := w.fieldIsOrdered[fields[j]]
if iOrdered && jOrdered {
return ii < jj
}
if iOrdered {
return true
}
if jOrdered {
return false
}
return fields[i] < fields[j]
})
}
// needsQuote returns true when the string s should be quoted in output.
func needsQuote(s string) bool {
for i := range s {
if s[i] < 0x20 || s[i] > 0x7e || s[i] == ' ' || s[i] == '\\' || s[i] == '"' {
return true
}
}
return false
}
// colorize returns the string s wrapped in ANSI code c, unless disabled is true or c is 0.
func colorize(s interface{}, c int, disabled bool) string {
e := os.Getenv("NO_COLOR")
if e != "" || c == 0 {
disabled = true
}
if disabled {
return fmt.Sprintf("%s", s)
}
return fmt.Sprintf("\x1b[%dm%v\x1b[0m", c, s)
}
// ----- DEFAULT FORMATTERS ---------------------------------------------------
func consoleDefaultPartsOrder() []string {
return []string{
TimestampFieldName,
LevelFieldName,
CallerFieldName,
MessageFieldName,
}
}
func consoleDefaultFormatTimestamp(timeFormat string, location *time.Location, noColor bool) Formatter {
if timeFormat == "" {
timeFormat = consoleDefaultTimeFormat
}
if location == nil {
location = time.Local
}
return func(i interface{}) string {
t := "<nil>"
switch tt := i.(type) {
case string:
ts, err := time.ParseInLocation(TimeFieldFormat, tt, location)
if err != nil {
t = tt
} else {
t = ts.In(location).Format(timeFormat)
}
case json.Number:
i, err := tt.Int64()
if err != nil {
t = tt.String()
} else {
var sec, nsec int64
switch TimeFieldFormat {
case TimeFormatUnixNano:
sec, nsec = 0, i
case TimeFormatUnixMicro:
sec, nsec = 0, int64(time.Duration(i)*time.Microsecond)
case TimeFormatUnixMs:
sec, nsec = 0, int64(time.Duration(i)*time.Millisecond)
default:
sec, nsec = i, 0
}
ts := time.Unix(sec, nsec)
t = ts.In(location).Format(timeFormat)
}
}
return colorize(t, colorDarkGray, noColor)
}
}
func stripLevel(ll string) string {
if len(ll) == 0 {
return unknownLevel
}
if len(ll) > 3 {
ll = ll[:3]
}
return strings.ToUpper(ll)
}
func consoleDefaultFormatLevel(noColor bool) Formatter {
return func(i interface{}) string {
if ll, ok := i.(string); ok {
level, _ := ParseLevel(ll)
fl, ok := FormattedLevels[level]
if ok {
return colorize(fl, LevelColors[level], noColor)
}
return stripLevel(ll)
}
if i == nil {
return unknownLevel
}
return stripLevel(fmt.Sprintf("%s", i))
}
}
func consoleDefaultFormatCaller(noColor bool) Formatter {
return func(i interface{}) string {
var c string
if cc, ok := i.(string); ok {
c = cc
}
if len(c) > 0 {
if cwd, err := os.Getwd(); err == nil {
if rel, err := filepath.Rel(cwd, c); err == nil {
c = rel
}
}
c = colorize(c, colorBold, noColor) + colorize(" >", colorCyan, noColor)
}
return c
}
}
func consoleDefaultFormatMessage(noColor bool, level interface{}) Formatter {
return func(i interface{}) string {
if i == nil || i == "" {
return ""
}
switch level {
case LevelInfoValue, LevelWarnValue, LevelErrorValue, LevelFatalValue, LevelPanicValue:
return colorize(fmt.Sprintf("%s", i), colorBold, noColor)
default:
return fmt.Sprintf("%s", i)
}
}
}
func consoleDefaultFormatFieldName(noColor bool) Formatter {
return func(i interface{}) string {
return colorize(fmt.Sprintf("%s=", i), colorCyan, noColor)
}
}
func consoleDefaultFormatFieldValue(i interface{}) string {
return fmt.Sprintf("%s", i)
}
func consoleDefaultFormatErrFieldName(noColor bool) Formatter {
return func(i interface{}) string {
return colorize(fmt.Sprintf("%s=", i), colorCyan, noColor)
}
}
func consoleDefaultFormatErrFieldValue(noColor bool) Formatter {
return func(i interface{}) string {
return colorize(colorize(fmt.Sprintf("%s", i), colorBold, noColor), colorRed, noColor)
}
}