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path: root/vendor/github.com/go-logr/logr/funcr/funcr.go
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Diffstat (limited to 'vendor/github.com/go-logr/logr/funcr/funcr.go')
-rw-r--r--vendor/github.com/go-logr/logr/funcr/funcr.go185
1 files changed, 146 insertions, 39 deletions
diff --git a/vendor/github.com/go-logr/logr/funcr/funcr.go b/vendor/github.com/go-logr/logr/funcr/funcr.go
index 12e5807cc..fb2f866f4 100644
--- a/vendor/github.com/go-logr/logr/funcr/funcr.go
+++ b/vendor/github.com/go-logr/logr/funcr/funcr.go
@@ -100,6 +100,11 @@ type Options struct {
// details, see docs for Go's time.Layout.
TimestampFormat string
+ // LogInfoLevel tells funcr what key to use to log the info level.
+ // If not specified, the info level will be logged as "level".
+ // If this is set to "", the info level will not be logged at all.
+ LogInfoLevel *string
+
// Verbosity tells funcr which V logs to produce. Higher values enable
// more logs. Info logs at or below this level will be written, while logs
// above this level will be discarded.
@@ -213,6 +218,10 @@ func newFormatter(opts Options, outfmt outputFormat) Formatter {
if opts.MaxLogDepth == 0 {
opts.MaxLogDepth = defaultMaxLogDepth
}
+ if opts.LogInfoLevel == nil {
+ opts.LogInfoLevel = new(string)
+ *opts.LogInfoLevel = "level"
+ }
f := Formatter{
outputFormat: outfmt,
prefix: "",
@@ -227,12 +236,15 @@ func newFormatter(opts Options, outfmt outputFormat) Formatter {
// implementation. It should be constructed with NewFormatter. Some of
// its methods directly implement logr.LogSink.
type Formatter struct {
- outputFormat outputFormat
- prefix string
- values []any
- valuesStr string
- depth int
- opts *Options
+ outputFormat outputFormat
+ prefix string
+ values []any
+ valuesStr string
+ parentValuesStr string
+ depth int
+ opts *Options
+ group string // for slog groups
+ groupDepth int
}
// outputFormat indicates which outputFormat to use.
@@ -253,33 +265,62 @@ func (f Formatter) render(builtins, args []any) string {
// Empirically bytes.Buffer is faster than strings.Builder for this.
buf := bytes.NewBuffer(make([]byte, 0, 1024))
if f.outputFormat == outputJSON {
- buf.WriteByte('{')
+ buf.WriteByte('{') // for the whole line
}
+
vals := builtins
if hook := f.opts.RenderBuiltinsHook; hook != nil {
vals = hook(f.sanitize(vals))
}
f.flatten(buf, vals, false, false) // keys are ours, no need to escape
continuing := len(builtins) > 0
- if len(f.valuesStr) > 0 {
+
+ if f.parentValuesStr != "" {
if continuing {
- if f.outputFormat == outputJSON {
- buf.WriteByte(',')
- } else {
- buf.WriteByte(' ')
- }
+ buf.WriteByte(f.comma())
}
+ buf.WriteString(f.parentValuesStr)
continuing = true
+ }
+
+ groupDepth := f.groupDepth
+ if f.group != "" {
+ if f.valuesStr != "" || len(args) != 0 {
+ if continuing {
+ buf.WriteByte(f.comma())
+ }
+ buf.WriteString(f.quoted(f.group, true)) // escape user-provided keys
+ buf.WriteByte(f.colon())
+ buf.WriteByte('{') // for the group
+ continuing = false
+ } else {
+ // The group was empty
+ groupDepth--
+ }
+ }
+
+ if f.valuesStr != "" {
+ if continuing {
+ buf.WriteByte(f.comma())
+ }
buf.WriteString(f.valuesStr)
+ continuing = true
}
+
vals = args
if hook := f.opts.RenderArgsHook; hook != nil {
vals = hook(f.sanitize(vals))
}
f.flatten(buf, vals, continuing, true) // escape user-provided keys
+
+ for i := 0; i < groupDepth; i++ {
+ buf.WriteByte('}') // for the groups
+ }
+
if f.outputFormat == outputJSON {
- buf.WriteByte('}')
+ buf.WriteByte('}') // for the whole line
}
+
return buf.String()
}
@@ -298,9 +339,16 @@ func (f Formatter) flatten(buf *bytes.Buffer, kvList []any, continuing bool, esc
if len(kvList)%2 != 0 {
kvList = append(kvList, noValue)
}
+ copied := false
for i := 0; i < len(kvList); i += 2 {
k, ok := kvList[i].(string)
if !ok {
+ if !copied {
+ newList := make([]any, len(kvList))
+ copy(newList, kvList)
+ kvList = newList
+ copied = true
+ }
k = f.nonStringKey(kvList[i])
kvList[i] = k
}
@@ -308,7 +356,7 @@ func (f Formatter) flatten(buf *bytes.Buffer, kvList []any, continuing bool, esc
if i > 0 || continuing {
if f.outputFormat == outputJSON {
- buf.WriteByte(',')
+ buf.WriteByte(f.comma())
} else {
// In theory the format could be something we don't understand. In
// practice, we control it, so it won't be.
@@ -316,24 +364,35 @@ func (f Formatter) flatten(buf *bytes.Buffer, kvList []any, continuing bool, esc
}
}
- if escapeKeys {
- buf.WriteString(prettyString(k))
- } else {
- // this is faster
- buf.WriteByte('"')
- buf.WriteString(k)
- buf.WriteByte('"')
- }
- if f.outputFormat == outputJSON {
- buf.WriteByte(':')
- } else {
- buf.WriteByte('=')
- }
+ buf.WriteString(f.quoted(k, escapeKeys))
+ buf.WriteByte(f.colon())
buf.WriteString(f.pretty(v))
}
return kvList
}
+func (f Formatter) quoted(str string, escape bool) string {
+ if escape {
+ return prettyString(str)
+ }
+ // this is faster
+ return `"` + str + `"`
+}
+
+func (f Formatter) comma() byte {
+ if f.outputFormat == outputJSON {
+ return ','
+ }
+ return ' '
+}
+
+func (f Formatter) colon() byte {
+ if f.outputFormat == outputJSON {
+ return ':'
+ }
+ return '='
+}
+
func (f Formatter) pretty(value any) string {
return f.prettyWithFlags(value, 0, 0)
}
@@ -407,12 +466,12 @@ func (f Formatter) prettyWithFlags(value any, flags uint32, depth int) string {
}
for i := 0; i < len(v); i += 2 {
if i > 0 {
- buf.WriteByte(',')
+ buf.WriteByte(f.comma())
}
k, _ := v[i].(string) // sanitize() above means no need to check success
// arbitrary keys might need escaping
buf.WriteString(prettyString(k))
- buf.WriteByte(':')
+ buf.WriteByte(f.colon())
buf.WriteString(f.prettyWithFlags(v[i+1], 0, depth+1))
}
if flags&flagRawStruct == 0 {
@@ -481,7 +540,7 @@ func (f Formatter) prettyWithFlags(value any, flags uint32, depth int) string {
continue
}
if printComma {
- buf.WriteByte(',')
+ buf.WriteByte(f.comma())
}
printComma = true // if we got here, we are rendering a field
if fld.Anonymous && fld.Type.Kind() == reflect.Struct && name == "" {
@@ -492,10 +551,8 @@ func (f Formatter) prettyWithFlags(value any, flags uint32, depth int) string {
name = fld.Name
}
// field names can't contain characters which need escaping
- buf.WriteByte('"')
- buf.WriteString(name)
- buf.WriteByte('"')
- buf.WriteByte(':')
+ buf.WriteString(f.quoted(name, false))
+ buf.WriteByte(f.colon())
buf.WriteString(f.prettyWithFlags(v.Field(i).Interface(), 0, depth+1))
}
if flags&flagRawStruct == 0 {
@@ -520,7 +577,7 @@ func (f Formatter) prettyWithFlags(value any, flags uint32, depth int) string {
buf.WriteByte('[')
for i := 0; i < v.Len(); i++ {
if i > 0 {
- buf.WriteByte(',')
+ buf.WriteByte(f.comma())
}
e := v.Index(i)
buf.WriteString(f.prettyWithFlags(e.Interface(), 0, depth+1))
@@ -534,7 +591,7 @@ func (f Formatter) prettyWithFlags(value any, flags uint32, depth int) string {
i := 0
for it.Next() {
if i > 0 {
- buf.WriteByte(',')
+ buf.WriteByte(f.comma())
}
// If a map key supports TextMarshaler, use it.
keystr := ""
@@ -556,7 +613,7 @@ func (f Formatter) prettyWithFlags(value any, flags uint32, depth int) string {
}
}
buf.WriteString(keystr)
- buf.WriteByte(':')
+ buf.WriteByte(f.colon())
buf.WriteString(f.prettyWithFlags(it.Value().Interface(), 0, depth+1))
i++
}
@@ -706,6 +763,53 @@ func (f Formatter) sanitize(kvList []any) []any {
return kvList
}
+// startGroup opens a new group scope (basically a sub-struct), which locks all
+// the current saved values and starts them anew. This is needed to satisfy
+// slog.
+func (f *Formatter) startGroup(group string) {
+ // Unnamed groups are just inlined.
+ if group == "" {
+ return
+ }
+
+ // Any saved values can no longer be changed.
+ buf := bytes.NewBuffer(make([]byte, 0, 1024))
+ continuing := false
+
+ if f.parentValuesStr != "" {
+ buf.WriteString(f.parentValuesStr)
+ continuing = true
+ }
+
+ if f.group != "" && f.valuesStr != "" {
+ if continuing {
+ buf.WriteByte(f.comma())
+ }
+ buf.WriteString(f.quoted(f.group, true)) // escape user-provided keys
+ buf.WriteByte(f.colon())
+ buf.WriteByte('{') // for the group
+ continuing = false
+ }
+
+ if f.valuesStr != "" {
+ if continuing {
+ buf.WriteByte(f.comma())
+ }
+ buf.WriteString(f.valuesStr)
+ }
+
+ // NOTE: We don't close the scope here - that's done later, when a log line
+ // is actually rendered (because we have N scopes to close).
+
+ f.parentValuesStr = buf.String()
+
+ // Start collecting new values.
+ f.group = group
+ f.groupDepth++
+ f.valuesStr = ""
+ f.values = nil
+}
+
// Init configures this Formatter from runtime info, such as the call depth
// imposed by logr itself.
// Note that this receiver is a pointer, so depth can be saved.
@@ -740,7 +844,10 @@ func (f Formatter) FormatInfo(level int, msg string, kvList []any) (prefix, args
if policy := f.opts.LogCaller; policy == All || policy == Info {
args = append(args, "caller", f.caller())
}
- args = append(args, "level", level, "msg", msg)
+ if key := *f.opts.LogInfoLevel; key != "" {
+ args = append(args, key, level)
+ }
+ args = append(args, "msg", msg)
return prefix, f.render(args, kvList)
}