525 lines
14 KiB
Go
525 lines
14 KiB
Go
|
// Copyright (c) 2016 Uber Technologies, Inc.
|
||
|
//
|
||
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
// of this software and associated documentation files (the "Software"), to deal
|
||
|
// in the Software without restriction, including without limitation the rights
|
||
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
// copies of the Software, and to permit persons to whom the Software is
|
||
|
// furnished to do so, subject to the following conditions:
|
||
|
//
|
||
|
// The above copyright notice and this permission notice shall be included in
|
||
|
// all copies or substantial portions of the Software.
|
||
|
//
|
||
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
// THE SOFTWARE.
|
||
|
|
||
|
package zapcore
|
||
|
|
||
|
import (
|
||
|
"encoding/base64"
|
||
|
"encoding/json"
|
||
|
"math"
|
||
|
"sync"
|
||
|
"time"
|
||
|
"unicode/utf8"
|
||
|
|
||
|
"go.uber.org/zap/buffer"
|
||
|
"go.uber.org/zap/internal/bufferpool"
|
||
|
)
|
||
|
|
||
|
// For JSON-escaping; see jsonEncoder.safeAddString below.
|
||
|
const _hex = "0123456789abcdef"
|
||
|
|
||
|
var _jsonPool = sync.Pool{New: func() interface{} {
|
||
|
return &jsonEncoder{}
|
||
|
}}
|
||
|
|
||
|
func getJSONEncoder() *jsonEncoder {
|
||
|
return _jsonPool.Get().(*jsonEncoder)
|
||
|
}
|
||
|
|
||
|
func putJSONEncoder(enc *jsonEncoder) {
|
||
|
if enc.reflectBuf != nil {
|
||
|
enc.reflectBuf.Free()
|
||
|
}
|
||
|
enc.EncoderConfig = nil
|
||
|
enc.buf = nil
|
||
|
enc.spaced = false
|
||
|
enc.openNamespaces = 0
|
||
|
enc.reflectBuf = nil
|
||
|
enc.reflectEnc = nil
|
||
|
_jsonPool.Put(enc)
|
||
|
}
|
||
|
|
||
|
type jsonEncoder struct {
|
||
|
*EncoderConfig
|
||
|
buf *buffer.Buffer
|
||
|
spaced bool // include spaces after colons and commas
|
||
|
openNamespaces int
|
||
|
|
||
|
// for encoding generic values by reflection
|
||
|
reflectBuf *buffer.Buffer
|
||
|
reflectEnc *json.Encoder
|
||
|
}
|
||
|
|
||
|
// NewJSONEncoder creates a fast, low-allocation JSON encoder. The encoder
|
||
|
// appropriately escapes all field keys and values.
|
||
|
//
|
||
|
// Note that the encoder doesn't deduplicate keys, so it's possible to produce
|
||
|
// a message like
|
||
|
// {"foo":"bar","foo":"baz"}
|
||
|
// This is permitted by the JSON specification, but not encouraged. Many
|
||
|
// libraries will ignore duplicate key-value pairs (typically keeping the last
|
||
|
// pair) when unmarshaling, but users should attempt to avoid adding duplicate
|
||
|
// keys.
|
||
|
func NewJSONEncoder(cfg EncoderConfig) Encoder {
|
||
|
return newJSONEncoder(cfg, false)
|
||
|
}
|
||
|
|
||
|
func newJSONEncoder(cfg EncoderConfig, spaced bool) *jsonEncoder {
|
||
|
return &jsonEncoder{
|
||
|
EncoderConfig: &cfg,
|
||
|
buf: bufferpool.Get(),
|
||
|
spaced: spaced,
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddArray(key string, arr ArrayMarshaler) error {
|
||
|
enc.addKey(key)
|
||
|
return enc.AppendArray(arr)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddObject(key string, obj ObjectMarshaler) error {
|
||
|
enc.addKey(key)
|
||
|
return enc.AppendObject(obj)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddBinary(key string, val []byte) {
|
||
|
enc.AddString(key, base64.StdEncoding.EncodeToString(val))
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddByteString(key string, val []byte) {
|
||
|
enc.addKey(key)
|
||
|
enc.AppendByteString(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddBool(key string, val bool) {
|
||
|
enc.addKey(key)
|
||
|
enc.AppendBool(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddComplex128(key string, val complex128) {
|
||
|
enc.addKey(key)
|
||
|
enc.AppendComplex128(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddDuration(key string, val time.Duration) {
|
||
|
enc.addKey(key)
|
||
|
enc.AppendDuration(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddFloat64(key string, val float64) {
|
||
|
enc.addKey(key)
|
||
|
enc.AppendFloat64(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddInt64(key string, val int64) {
|
||
|
enc.addKey(key)
|
||
|
enc.AppendInt64(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) resetReflectBuf() {
|
||
|
if enc.reflectBuf == nil {
|
||
|
enc.reflectBuf = bufferpool.Get()
|
||
|
enc.reflectEnc = json.NewEncoder(enc.reflectBuf)
|
||
|
|
||
|
// For consistency with our custom JSON encoder.
|
||
|
enc.reflectEnc.SetEscapeHTML(false)
|
||
|
} else {
|
||
|
enc.reflectBuf.Reset()
|
||
|
}
|
||
|
}
|
||
|
|
||
|
var nullLiteralBytes = []byte("null")
|
||
|
|
||
|
// Only invoke the standard JSON encoder if there is actually something to
|
||
|
// encode; otherwise write JSON null literal directly.
|
||
|
func (enc *jsonEncoder) encodeReflected(obj interface{}) ([]byte, error) {
|
||
|
if obj == nil {
|
||
|
return nullLiteralBytes, nil
|
||
|
}
|
||
|
enc.resetReflectBuf()
|
||
|
if err := enc.reflectEnc.Encode(obj); err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
enc.reflectBuf.TrimNewline()
|
||
|
return enc.reflectBuf.Bytes(), nil
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddReflected(key string, obj interface{}) error {
|
||
|
valueBytes, err := enc.encodeReflected(obj)
|
||
|
if err != nil {
|
||
|
return err
|
||
|
}
|
||
|
enc.addKey(key)
|
||
|
_, err = enc.buf.Write(valueBytes)
|
||
|
return err
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) OpenNamespace(key string) {
|
||
|
enc.addKey(key)
|
||
|
enc.buf.AppendByte('{')
|
||
|
enc.openNamespaces++
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddString(key, val string) {
|
||
|
enc.addKey(key)
|
||
|
enc.AppendString(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddTime(key string, val time.Time) {
|
||
|
enc.addKey(key)
|
||
|
enc.AppendTime(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddUint64(key string, val uint64) {
|
||
|
enc.addKey(key)
|
||
|
enc.AppendUint64(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendArray(arr ArrayMarshaler) error {
|
||
|
enc.addElementSeparator()
|
||
|
enc.buf.AppendByte('[')
|
||
|
err := arr.MarshalLogArray(enc)
|
||
|
enc.buf.AppendByte(']')
|
||
|
return err
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendObject(obj ObjectMarshaler) error {
|
||
|
enc.addElementSeparator()
|
||
|
enc.buf.AppendByte('{')
|
||
|
err := obj.MarshalLogObject(enc)
|
||
|
enc.buf.AppendByte('}')
|
||
|
return err
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendBool(val bool) {
|
||
|
enc.addElementSeparator()
|
||
|
enc.buf.AppendBool(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendByteString(val []byte) {
|
||
|
enc.addElementSeparator()
|
||
|
enc.buf.AppendByte('"')
|
||
|
enc.safeAddByteString(val)
|
||
|
enc.buf.AppendByte('"')
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendComplex128(val complex128) {
|
||
|
enc.addElementSeparator()
|
||
|
// Cast to a platform-independent, fixed-size type.
|
||
|
r, i := float64(real(val)), float64(imag(val))
|
||
|
enc.buf.AppendByte('"')
|
||
|
// Because we're always in a quoted string, we can use strconv without
|
||
|
// special-casing NaN and +/-Inf.
|
||
|
enc.buf.AppendFloat(r, 64)
|
||
|
enc.buf.AppendByte('+')
|
||
|
enc.buf.AppendFloat(i, 64)
|
||
|
enc.buf.AppendByte('i')
|
||
|
enc.buf.AppendByte('"')
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendDuration(val time.Duration) {
|
||
|
cur := enc.buf.Len()
|
||
|
enc.EncodeDuration(val, enc)
|
||
|
if cur == enc.buf.Len() {
|
||
|
// User-supplied EncodeDuration is a no-op. Fall back to nanoseconds to keep
|
||
|
// JSON valid.
|
||
|
enc.AppendInt64(int64(val))
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendInt64(val int64) {
|
||
|
enc.addElementSeparator()
|
||
|
enc.buf.AppendInt(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendReflected(val interface{}) error {
|
||
|
valueBytes, err := enc.encodeReflected(val)
|
||
|
if err != nil {
|
||
|
return err
|
||
|
}
|
||
|
enc.addElementSeparator()
|
||
|
_, err = enc.buf.Write(valueBytes)
|
||
|
return err
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendString(val string) {
|
||
|
enc.addElementSeparator()
|
||
|
enc.buf.AppendByte('"')
|
||
|
enc.safeAddString(val)
|
||
|
enc.buf.AppendByte('"')
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendTimeLayout(time time.Time, layout string) {
|
||
|
enc.addElementSeparator()
|
||
|
enc.buf.AppendByte('"')
|
||
|
enc.buf.AppendTime(time, layout)
|
||
|
enc.buf.AppendByte('"')
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendTime(val time.Time) {
|
||
|
cur := enc.buf.Len()
|
||
|
enc.EncodeTime(val, enc)
|
||
|
if cur == enc.buf.Len() {
|
||
|
// User-supplied EncodeTime is a no-op. Fall back to nanos since epoch to keep
|
||
|
// output JSON valid.
|
||
|
enc.AppendInt64(val.UnixNano())
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AppendUint64(val uint64) {
|
||
|
enc.addElementSeparator()
|
||
|
enc.buf.AppendUint(val)
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) AddComplex64(k string, v complex64) { enc.AddComplex128(k, complex128(v)) }
|
||
|
func (enc *jsonEncoder) AddFloat32(k string, v float32) { enc.AddFloat64(k, float64(v)) }
|
||
|
func (enc *jsonEncoder) AddInt(k string, v int) { enc.AddInt64(k, int64(v)) }
|
||
|
func (enc *jsonEncoder) AddInt32(k string, v int32) { enc.AddInt64(k, int64(v)) }
|
||
|
func (enc *jsonEncoder) AddInt16(k string, v int16) { enc.AddInt64(k, int64(v)) }
|
||
|
func (enc *jsonEncoder) AddInt8(k string, v int8) { enc.AddInt64(k, int64(v)) }
|
||
|
func (enc *jsonEncoder) AddUint(k string, v uint) { enc.AddUint64(k, uint64(v)) }
|
||
|
func (enc *jsonEncoder) AddUint32(k string, v uint32) { enc.AddUint64(k, uint64(v)) }
|
||
|
func (enc *jsonEncoder) AddUint16(k string, v uint16) { enc.AddUint64(k, uint64(v)) }
|
||
|
func (enc *jsonEncoder) AddUint8(k string, v uint8) { enc.AddUint64(k, uint64(v)) }
|
||
|
func (enc *jsonEncoder) AddUintptr(k string, v uintptr) { enc.AddUint64(k, uint64(v)) }
|
||
|
func (enc *jsonEncoder) AppendComplex64(v complex64) { enc.AppendComplex128(complex128(v)) }
|
||
|
func (enc *jsonEncoder) AppendFloat64(v float64) { enc.appendFloat(v, 64) }
|
||
|
func (enc *jsonEncoder) AppendFloat32(v float32) { enc.appendFloat(float64(v), 32) }
|
||
|
func (enc *jsonEncoder) AppendInt(v int) { enc.AppendInt64(int64(v)) }
|
||
|
func (enc *jsonEncoder) AppendInt32(v int32) { enc.AppendInt64(int64(v)) }
|
||
|
func (enc *jsonEncoder) AppendInt16(v int16) { enc.AppendInt64(int64(v)) }
|
||
|
func (enc *jsonEncoder) AppendInt8(v int8) { enc.AppendInt64(int64(v)) }
|
||
|
func (enc *jsonEncoder) AppendUint(v uint) { enc.AppendUint64(uint64(v)) }
|
||
|
func (enc *jsonEncoder) AppendUint32(v uint32) { enc.AppendUint64(uint64(v)) }
|
||
|
func (enc *jsonEncoder) AppendUint16(v uint16) { enc.AppendUint64(uint64(v)) }
|
||
|
func (enc *jsonEncoder) AppendUint8(v uint8) { enc.AppendUint64(uint64(v)) }
|
||
|
func (enc *jsonEncoder) AppendUintptr(v uintptr) { enc.AppendUint64(uint64(v)) }
|
||
|
|
||
|
func (enc *jsonEncoder) Clone() Encoder {
|
||
|
clone := enc.clone()
|
||
|
clone.buf.Write(enc.buf.Bytes())
|
||
|
return clone
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) clone() *jsonEncoder {
|
||
|
clone := getJSONEncoder()
|
||
|
clone.EncoderConfig = enc.EncoderConfig
|
||
|
clone.spaced = enc.spaced
|
||
|
clone.openNamespaces = enc.openNamespaces
|
||
|
clone.buf = bufferpool.Get()
|
||
|
return clone
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) EncodeEntry(ent Entry, fields []Field) (*buffer.Buffer, error) {
|
||
|
final := enc.clone()
|
||
|
final.buf.AppendByte('{')
|
||
|
|
||
|
if final.LevelKey != "" {
|
||
|
final.addKey(final.LevelKey)
|
||
|
cur := final.buf.Len()
|
||
|
final.EncodeLevel(ent.Level, final)
|
||
|
if cur == final.buf.Len() {
|
||
|
// User-supplied EncodeLevel was a no-op. Fall back to strings to keep
|
||
|
// output JSON valid.
|
||
|
final.AppendString(ent.Level.String())
|
||
|
}
|
||
|
}
|
||
|
if final.TimeKey != "" {
|
||
|
final.AddTime(final.TimeKey, ent.Time)
|
||
|
}
|
||
|
if ent.LoggerName != "" && final.NameKey != "" {
|
||
|
final.addKey(final.NameKey)
|
||
|
cur := final.buf.Len()
|
||
|
nameEncoder := final.EncodeName
|
||
|
|
||
|
// if no name encoder provided, fall back to FullNameEncoder for backwards
|
||
|
// compatibility
|
||
|
if nameEncoder == nil {
|
||
|
nameEncoder = FullNameEncoder
|
||
|
}
|
||
|
|
||
|
nameEncoder(ent.LoggerName, final)
|
||
|
if cur == final.buf.Len() {
|
||
|
// User-supplied EncodeName was a no-op. Fall back to strings to
|
||
|
// keep output JSON valid.
|
||
|
final.AppendString(ent.LoggerName)
|
||
|
}
|
||
|
}
|
||
|
if ent.Caller.Defined && final.CallerKey != "" {
|
||
|
final.addKey(final.CallerKey)
|
||
|
cur := final.buf.Len()
|
||
|
final.EncodeCaller(ent.Caller, final)
|
||
|
if cur == final.buf.Len() {
|
||
|
// User-supplied EncodeCaller was a no-op. Fall back to strings to
|
||
|
// keep output JSON valid.
|
||
|
final.AppendString(ent.Caller.String())
|
||
|
}
|
||
|
}
|
||
|
if final.MessageKey != "" {
|
||
|
final.addKey(enc.MessageKey)
|
||
|
final.AppendString(ent.Message)
|
||
|
}
|
||
|
if enc.buf.Len() > 0 {
|
||
|
final.addElementSeparator()
|
||
|
final.buf.Write(enc.buf.Bytes())
|
||
|
}
|
||
|
addFields(final, fields)
|
||
|
final.closeOpenNamespaces()
|
||
|
if ent.Stack != "" && final.StacktraceKey != "" {
|
||
|
final.AddString(final.StacktraceKey, ent.Stack)
|
||
|
}
|
||
|
final.buf.AppendByte('}')
|
||
|
if final.LineEnding != "" {
|
||
|
final.buf.AppendString(final.LineEnding)
|
||
|
} else {
|
||
|
final.buf.AppendString(DefaultLineEnding)
|
||
|
}
|
||
|
|
||
|
ret := final.buf
|
||
|
putJSONEncoder(final)
|
||
|
return ret, nil
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) truncate() {
|
||
|
enc.buf.Reset()
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) closeOpenNamespaces() {
|
||
|
for i := 0; i < enc.openNamespaces; i++ {
|
||
|
enc.buf.AppendByte('}')
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) addKey(key string) {
|
||
|
enc.addElementSeparator()
|
||
|
enc.buf.AppendByte('"')
|
||
|
enc.safeAddString(key)
|
||
|
enc.buf.AppendByte('"')
|
||
|
enc.buf.AppendByte(':')
|
||
|
if enc.spaced {
|
||
|
enc.buf.AppendByte(' ')
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) addElementSeparator() {
|
||
|
last := enc.buf.Len() - 1
|
||
|
if last < 0 {
|
||
|
return
|
||
|
}
|
||
|
switch enc.buf.Bytes()[last] {
|
||
|
case '{', '[', ':', ',', ' ':
|
||
|
return
|
||
|
default:
|
||
|
enc.buf.AppendByte(',')
|
||
|
if enc.spaced {
|
||
|
enc.buf.AppendByte(' ')
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) appendFloat(val float64, bitSize int) {
|
||
|
enc.addElementSeparator()
|
||
|
switch {
|
||
|
case math.IsNaN(val):
|
||
|
enc.buf.AppendString(`"NaN"`)
|
||
|
case math.IsInf(val, 1):
|
||
|
enc.buf.AppendString(`"+Inf"`)
|
||
|
case math.IsInf(val, -1):
|
||
|
enc.buf.AppendString(`"-Inf"`)
|
||
|
default:
|
||
|
enc.buf.AppendFloat(val, bitSize)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// safeAddString JSON-escapes a string and appends it to the internal buffer.
|
||
|
// Unlike the standard library's encoder, it doesn't attempt to protect the
|
||
|
// user from browser vulnerabilities or JSONP-related problems.
|
||
|
func (enc *jsonEncoder) safeAddString(s string) {
|
||
|
for i := 0; i < len(s); {
|
||
|
if enc.tryAddRuneSelf(s[i]) {
|
||
|
i++
|
||
|
continue
|
||
|
}
|
||
|
r, size := utf8.DecodeRuneInString(s[i:])
|
||
|
if enc.tryAddRuneError(r, size) {
|
||
|
i++
|
||
|
continue
|
||
|
}
|
||
|
enc.buf.AppendString(s[i : i+size])
|
||
|
i += size
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// safeAddByteString is no-alloc equivalent of safeAddString(string(s)) for s []byte.
|
||
|
func (enc *jsonEncoder) safeAddByteString(s []byte) {
|
||
|
for i := 0; i < len(s); {
|
||
|
if enc.tryAddRuneSelf(s[i]) {
|
||
|
i++
|
||
|
continue
|
||
|
}
|
||
|
r, size := utf8.DecodeRune(s[i:])
|
||
|
if enc.tryAddRuneError(r, size) {
|
||
|
i++
|
||
|
continue
|
||
|
}
|
||
|
enc.buf.Write(s[i : i+size])
|
||
|
i += size
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// tryAddRuneSelf appends b if it is valid UTF-8 character represented in a single byte.
|
||
|
func (enc *jsonEncoder) tryAddRuneSelf(b byte) bool {
|
||
|
if b >= utf8.RuneSelf {
|
||
|
return false
|
||
|
}
|
||
|
if 0x20 <= b && b != '\\' && b != '"' {
|
||
|
enc.buf.AppendByte(b)
|
||
|
return true
|
||
|
}
|
||
|
switch b {
|
||
|
case '\\', '"':
|
||
|
enc.buf.AppendByte('\\')
|
||
|
enc.buf.AppendByte(b)
|
||
|
case '\n':
|
||
|
enc.buf.AppendByte('\\')
|
||
|
enc.buf.AppendByte('n')
|
||
|
case '\r':
|
||
|
enc.buf.AppendByte('\\')
|
||
|
enc.buf.AppendByte('r')
|
||
|
case '\t':
|
||
|
enc.buf.AppendByte('\\')
|
||
|
enc.buf.AppendByte('t')
|
||
|
default:
|
||
|
// Encode bytes < 0x20, except for the escape sequences above.
|
||
|
enc.buf.AppendString(`\u00`)
|
||
|
enc.buf.AppendByte(_hex[b>>4])
|
||
|
enc.buf.AppendByte(_hex[b&0xF])
|
||
|
}
|
||
|
return true
|
||
|
}
|
||
|
|
||
|
func (enc *jsonEncoder) tryAddRuneError(r rune, size int) bool {
|
||
|
if r == utf8.RuneError && size == 1 {
|
||
|
enc.buf.AppendString(`\ufffd`)
|
||
|
return true
|
||
|
}
|
||
|
return false
|
||
|
}
|