Update vendor

1 files changed, 403 insertions, 0 deletions

diff --git a/vendor/github.com/mattermost/logr/v2/field.go b/vendor/github.com/mattermost/logr/v2/field.go
new file mode 100644
index 00000000..5725d0a1
--- /dev/null
+++ b/vendor/github.com/mattermost/logr/v2/field.go
@@ -0,0 +1,403 @@
+package logr
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"reflect"
+	"strconv"
+	"time"
+)
+
+var (
+	Comma   = []byte{','}
+	Equals  = []byte{'='}
+	Space   = []byte{' '}
+	Newline = []byte{'\n'}
+	Quote   = []byte{'"'}
+	Colon   = []byte{'"'}
+)
+
+// LogCloner is implemented by `Any` types that require a clone to be provided
+// to the logger because the original may mutate.
+type LogCloner interface {
+	LogClone() interface{}
+}
+
+// LogWriter is implemented by `Any` types that provide custom formatting for
+// log output. A string representation of the type should be written directly to
+// the `io.Writer`.
+type LogWriter interface {
+	LogWrite(w io.Writer) error
+}
+
+type FieldType uint8
+
+const (
+	UnknownType FieldType = iota
+	StringType
+	StringerType
+	StructType
+	ErrorType
+	BoolType
+	TimestampMillisType
+	TimeType
+	DurationType
+	Int64Type
+	Int32Type
+	IntType
+	Uint64Type
+	Uint32Type
+	UintType
+	Float64Type
+	Float32Type
+	BinaryType
+	ArrayType
+	MapType
+)
+
+type Field struct {
+	Key       string
+	Type      FieldType
+	Integer   int64
+	Float     float64
+	String    string
+	Interface interface{}
+}
+
+func quoteString(w io.Writer, s string, shouldQuote func(s string) bool) error {
+	b := shouldQuote(s)
+	if b {
+		if _, err := w.Write(Quote); err != nil {
+			return err
+		}
+	}
+
+	if _, err := w.Write([]byte(s)); err != nil {
+		return err
+	}
+
+	if b {
+		if _, err := w.Write(Quote); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// ValueString converts a known type to a string using default formatting.
+// This is called lazily by a formatter.
+// Formatters can provide custom formatting or types passed via `Any` can implement
+// the `LogString` interface to generate output for logging.
+// If the optional shouldQuote callback is provided, then it will be called for any
+// string output that could potentially need to be quoted.
+func (f Field) ValueString(w io.Writer, shouldQuote func(s string) bool) error {
+	if shouldQuote == nil {
+		shouldQuote = func(s string) bool { return false }
+	}
+	var err error
+	switch f.Type {
+	case StringType:
+		err = quoteString(w, f.String, shouldQuote)
+
+	case StringerType:
+		s, ok := f.Interface.(fmt.Stringer)
+		if ok {
+			err = quoteString(w, s.String(), shouldQuote)
+		} else if f.Interface == nil {
+			err = quoteString(w, "", shouldQuote)
+		} else {
+			err = fmt.Errorf("invalid fmt.Stringer for key %s", f.Key)
+		}
+
+	case StructType:
+		s, ok := f.Interface.(LogWriter)
+		if ok {
+			err = s.LogWrite(w)
+			break
+		}
+		// structs that do not implement LogWriter fall back to reflection via Printf.
+		// TODO: create custom reflection-based encoder.
+		_, err = fmt.Fprintf(w, "%v", f.Interface)
+
+	case ErrorType:
+		// TODO: create custom error encoder.
+		err = quoteString(w, fmt.Sprintf("%v", f.Interface), shouldQuote)
+
+	case BoolType:
+		var b bool
+		if f.Integer != 0 {
+			b = true
+		}
+		_, err = io.WriteString(w, strconv.FormatBool(b))
+
+	case TimestampMillisType:
+		ts := time.Unix(f.Integer/1000, (f.Integer%1000)*int64(time.Millisecond))
+		err = quoteString(w, ts.UTC().Format(TimestampMillisFormat), shouldQuote)
+
+	case TimeType:
+		t, ok := f.Interface.(time.Time)
+		if !ok {
+			err = errors.New("invalid time")
+			break
+		}
+		err = quoteString(w, t.Format(DefTimestampFormat), shouldQuote)
+
+	case DurationType:
+		_, err = fmt.Fprintf(w, "%s", time.Duration(f.Integer))
+
+	case Int64Type, Int32Type, IntType:
+		_, err = io.WriteString(w, strconv.FormatInt(f.Integer, 10))
+
+	case Uint64Type, Uint32Type, UintType:
+		_, err = io.WriteString(w, strconv.FormatUint(uint64(f.Integer), 10))
+
+	case Float64Type, Float32Type:
+		size := 64
+		if f.Type == Float32Type {
+			size = 32
+		}
+		err = quoteString(w, strconv.FormatFloat(f.Float, 'f', -1, size), shouldQuote)
+
+	case BinaryType:
+		b, ok := f.Interface.([]byte)
+		if ok {
+			_, err = fmt.Fprintf(w, "[%X]", b)
+			break
+		}
+		_, err = fmt.Fprintf(w, "[%v]", f.Interface)
+
+	case ArrayType:
+		a := reflect.ValueOf(f.Interface)
+	arr:
+		for i := 0; i < a.Len(); i++ {
+			item := a.Index(i)
+			switch v := item.Interface().(type) {
+			case LogWriter:
+				if err = v.LogWrite(w); err != nil {
+					break arr
+				}
+			case fmt.Stringer:
+				if err = quoteString(w, v.String(), shouldQuote); err != nil {
+					break arr
+				}
+			default:
+				s := fmt.Sprintf("%v", v)
+				if err = quoteString(w, s, shouldQuote); err != nil {
+					break arr
+				}
+			}
+			if _, err = w.Write(Comma); err != nil {
+				break arr
+			}
+		}
+
+	case MapType:
+		a := reflect.ValueOf(f.Interface)
+		iter := a.MapRange()
+	it:
+		for iter.Next() {
+			if _, err = io.WriteString(w, iter.Key().String()); err != nil {
+				break it
+			}
+			if _, err = w.Write(Equals); err != nil {
+				break it
+			}
+			val := iter.Value().Interface()
+			switch v := val.(type) {
+			case LogWriter:
+				if err = v.LogWrite(w); err != nil {
+					break it
+				}
+			case fmt.Stringer:
+				if err = quoteString(w, v.String(), shouldQuote); err != nil {
+					break it
+				}
+			default:
+				s := fmt.Sprintf("%v", v)
+				if err = quoteString(w, s, shouldQuote); err != nil {
+					break it
+				}
+			}
+			if _, err = w.Write(Comma); err != nil {
+				break it
+			}
+		}
+
+	case UnknownType:
+		_, err = fmt.Fprintf(w, "%v", f.Interface)
+
+	default:
+		err = fmt.Errorf("invalid type %d", f.Type)
+	}
+	return err
+}
+
+func nilField(key string) Field {
+	return String(key, "")
+}
+
+func fieldForAny(key string, val interface{}) Field {
+	switch v := val.(type) {
+	case LogCloner:
+		if v == nil {
+			return nilField(key)
+		}
+		c := v.LogClone()
+		return Field{Key: key, Type: StructType, Interface: c}
+	case *LogCloner:
+		if v == nil {
+			return nilField(key)
+		}
+		c := (*v).LogClone()
+		return Field{Key: key, Type: StructType, Interface: c}
+	case LogWriter:
+		if v == nil {
+			return nilField(key)
+		}
+		return Field{Key: key, Type: StructType, Interface: v}
+	case *LogWriter:
+		if v == nil {
+			return nilField(key)
+		}
+		return Field{Key: key, Type: StructType, Interface: *v}
+	case bool:
+		return Bool(key, v)
+	case *bool:
+		if v == nil {
+			return nilField(key)
+		}
+		return Bool(key, *v)
+	case float64:
+		return Float64(key, v)
+	case *float64:
+		if v == nil {
+			return nilField(key)
+		}
+		return Float64(key, *v)
+	case float32:
+		return Float32(key, v)
+	case *float32:
+		if v == nil {
+			return nilField(key)
+		}
+		return Float32(key, *v)
+	case int:
+		return Int(key, v)
+	case *int:
+		if v == nil {
+			return nilField(key)
+		}
+		return Int(key, *v)
+	case int64:
+		return Int64(key, v)
+	case *int64:
+		if v == nil {
+			return nilField(key)
+		}
+		return Int64(key, *v)
+	case int32:
+		return Int32(key, v)
+	case *int32:
+		if v == nil {
+			return nilField(key)
+		}
+		return Int32(key, *v)
+	case int16:
+		return Int32(key, int32(v))
+	case *int16:
+		if v == nil {
+			return nilField(key)
+		}
+		return Int32(key, int32(*v))
+	case int8:
+		return Int32(key, int32(v))
+	case *int8:
+		if v == nil {
+			return nilField(key)
+		}
+		return Int32(key, int32(*v))
+	case string:
+		return String(key, v)
+	case *string:
+		if v == nil {
+			return nilField(key)
+		}
+		return String(key, *v)
+	case uint:
+		return Uint(key, v)
+	case *uint:
+		if v == nil {
+			return nilField(key)
+		}
+		return Uint(key, *v)
+	case uint64:
+		return Uint64(key, v)
+	case *uint64:
+		if v == nil {
+			return nilField(key)
+		}
+		return Uint64(key, *v)
+	case uint32:
+		return Uint32(key, v)
+	case *uint32:
+		if v == nil {
+			return nilField(key)
+		}
+		return Uint32(key, *v)
+	case uint16:
+		return Uint32(key, uint32(v))
+	case *uint16:
+		if v == nil {
+			return nilField(key)
+		}
+		return Uint32(key, uint32(*v))
+	case uint8:
+		return Uint32(key, uint32(v))
+	case *uint8:
+		if v == nil {
+			return nilField(key)
+		}
+		return Uint32(key, uint32(*v))
+	case []byte:
+		if v == nil {
+			return nilField(key)
+		}
+		return Field{Key: key, Type: BinaryType, Interface: v}
+	case time.Time:
+		return Time(key, v)
+	case *time.Time:
+		if v == nil {
+			return nilField(key)
+		}
+		return Time(key, *v)
+	case time.Duration:
+		return Duration(key, v)
+	case *time.Duration:
+		if v == nil {
+			return nilField(key)
+		}
+		return Duration(key, *v)
+	case error:
+		return NamedErr(key, v)
+	case fmt.Stringer:
+		if v == nil {
+			return nilField(key)
+		}
+		return Field{Key: key, Type: StringerType, Interface: v}
+	case *fmt.Stringer:
+		if v == nil {
+			return nilField(key)
+		}
+		return Field{Key: key, Type: StringerType, Interface: *v}
+	default:
+		return Field{Key: key, Type: UnknownType, Interface: val}
+	}
+}
+
+// FieldSorter provides sorting of an array of fields by key.
+type FieldSorter []Field
+
+func (fs FieldSorter) Len() int           { return len(fs) }
+func (fs FieldSorter) Less(i, j int) bool { return fs[i].Key < fs[j].Key }
+func (fs FieldSorter) Swap(i, j int)      { fs[i], fs[j] = fs[j], fs[i] }