diff options
Diffstat (limited to 'vendor/github.com/go-logr/logr/funcr/funcr.go')
| -rw-r--r-- | vendor/github.com/go-logr/logr/funcr/funcr.go | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/vendor/github.com/go-logr/logr/funcr/funcr.go b/vendor/github.com/go-logr/logr/funcr/funcr.go index 7accdb0c4..e52f0cd01 100644 --- a/vendor/github.com/go-logr/logr/funcr/funcr.go +++ b/vendor/github.com/go-logr/logr/funcr/funcr.go @@ -21,13 +21,13 @@ limitations under the License. // github.com/go-logr/logr.LogSink with output through an arbitrary // "write" function. See New and NewJSON for details. // -// Custom LogSinks +// # Custom LogSinks // // For users who need more control, a funcr.Formatter can be embedded inside // your own custom LogSink implementation. This is useful when the LogSink // needs to implement additional methods, for example. // -// Formatting +// # Formatting // // This will respect logr.Marshaler, fmt.Stringer, and error interfaces for // values which are being logged. When rendering a struct, funcr will use Go's @@ -37,6 +37,7 @@ package funcr import ( "bytes" "encoding" + "encoding/json" "fmt" "path/filepath" "reflect" @@ -217,7 +218,7 @@ func newFormatter(opts Options, outfmt outputFormat) Formatter { prefix: "", values: nil, depth: 0, - opts: opts, + opts: &opts, } return f } @@ -231,7 +232,7 @@ type Formatter struct { values []interface{} valuesStr string depth int - opts Options + opts *Options } // outputFormat indicates which outputFormat to use. @@ -447,6 +448,7 @@ func (f Formatter) prettyWithFlags(value interface{}, flags uint32, depth int) s if flags&flagRawStruct == 0 { buf.WriteByte('{') } + printComma := false // testing i>0 is not enough because of JSON omitted fields for i := 0; i < t.NumField(); i++ { fld := t.Field(i) if fld.PkgPath != "" { @@ -478,9 +480,10 @@ func (f Formatter) prettyWithFlags(value interface{}, flags uint32, depth int) s if omitempty && isEmpty(v.Field(i)) { continue } - if i > 0 { + if printComma { buf.WriteByte(',') } + printComma = true // if we got here, we are rendering a field if fld.Anonymous && fld.Type.Kind() == reflect.Struct && name == "" { buf.WriteString(f.prettyWithFlags(v.Field(i).Interface(), flags|flagRawStruct, depth+1)) continue @@ -500,6 +503,20 @@ func (f Formatter) prettyWithFlags(value interface{}, flags uint32, depth int) s } return buf.String() case reflect.Slice, reflect.Array: + // If this is outputing as JSON make sure this isn't really a json.RawMessage. + // If so just emit "as-is" and don't pretty it as that will just print + // it as [X,Y,Z,...] which isn't terribly useful vs the string form you really want. + if f.outputFormat == outputJSON { + if rm, ok := value.(json.RawMessage); ok { + // If it's empty make sure we emit an empty value as the array style would below. + if len(rm) > 0 { + buf.Write(rm) + } else { + buf.WriteString("null") + } + return buf.String() + } + } buf.WriteByte('[') for i := 0; i < v.Len(); i++ { if i > 0 { |