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authormsglm <msglm@techchud.xyz>2023-10-27 07:08:25 -0500
committermsglm <msglm@techchud.xyz>2023-10-27 07:08:25 -0500
commit032a7e0c1188d3507b8d9a9571f2446a43cf775b (patch)
tree2bd38c01bc7761a6195e426082ce7191ebc765a1 /vendor/github.com/rs/zerolog/console.go
parent56e7bd01ca09ad52b0c4f48f146a20a4f1b78696 (diff)
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apply https://github.com/42wim/matterbridge/pull/1864v1.26.0+0.1.0
Diffstat (limited to 'vendor/github.com/rs/zerolog/console.go')
-rw-r--r--vendor/github.com/rs/zerolog/console.go450
1 files changed, 450 insertions, 0 deletions
diff --git a/vendor/github.com/rs/zerolog/console.go b/vendor/github.com/rs/zerolog/console.go
new file mode 100644
index 00000000..8b0e0c61
--- /dev/null
+++ b/vendor/github.com/rs/zerolog/console.go
@@ -0,0 +1,450 @@
+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
+)
+
+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
+
+ // PartsOrder defines the order of parts in output.
+ PartsOrder []string
+
+ // PartsExclude defines parts to not display in output.
+ PartsExclude []string
+
+ // 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
+}
+
+// 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)
+ }
+
+ 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
+}
+
+// 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)
+ }
+ 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.NoColor)
+ } else {
+ f = w.FormatTimestamp
+ }
+ case MessageFieldName:
+ if w.FormatMessage == nil {
+ f = consoleDefaultFormatMessage
+ } 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)
+ }
+}
+
+// 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.
+func colorize(s interface{}, c int, disabled bool) string {
+ 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, noColor bool) Formatter {
+ if timeFormat == "" {
+ timeFormat = consoleDefaultTimeFormat
+ }
+ return func(i interface{}) string {
+ t := "<nil>"
+ switch tt := i.(type) {
+ case string:
+ ts, err := time.ParseInLocation(TimeFieldFormat, tt, time.Local)
+ if err != nil {
+ t = tt
+ } else {
+ t = ts.Local().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.Format(timeFormat)
+ }
+ }
+ return colorize(t, colorDarkGray, noColor)
+ }
+}
+
+func consoleDefaultFormatLevel(noColor bool) Formatter {
+ return func(i interface{}) string {
+ var l string
+ if ll, ok := i.(string); ok {
+ switch ll {
+ case LevelTraceValue:
+ l = colorize("TRC", colorMagenta, noColor)
+ case LevelDebugValue:
+ l = colorize("DBG", colorYellow, noColor)
+ case LevelInfoValue:
+ l = colorize("INF", colorGreen, noColor)
+ case LevelWarnValue:
+ l = colorize("WRN", colorRed, noColor)
+ case LevelErrorValue:
+ l = colorize(colorize("ERR", colorRed, noColor), colorBold, noColor)
+ case LevelFatalValue:
+ l = colorize(colorize("FTL", colorRed, noColor), colorBold, noColor)
+ case LevelPanicValue:
+ l = colorize(colorize("PNC", colorRed, noColor), colorBold, noColor)
+ default:
+ l = colorize(ll, colorBold, noColor)
+ }
+ } else {
+ if i == nil {
+ l = colorize("???", colorBold, noColor)
+ } else {
+ l = strings.ToUpper(fmt.Sprintf("%s", i))[0:3]
+ }
+ }
+ return l
+ }
+}
+
+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(i interface{}) string {
+ if i == nil {
+ return ""
+ }
+ 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(fmt.Sprintf("%s", i), colorRed, noColor)
+ }
+}