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#57 reuse stream and iterator

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This commit is contained in:
Tao Wen 2017-06-17 14:23:02 +08:00
parent 3d5f6d3a4a
commit 17bd91fd71
1 changed files with 24 additions and 15 deletions
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39
feature_config.go
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@ -23,6 +23,8 @@ type frozenConfig struct {
decoderCache unsafe.Pointer
encoderCache unsafe.Pointer
extensions []ExtensionFunc
streamPool chan *Stream
iteratorPool chan *Iterator
}
var ConfigDefault = Config{}.Froze()
@ -41,6 +43,8 @@ func (cfg Config) Froze() *frozenConfig {
frozenConfig := &frozenConfig{
sortMapKeys: cfg.SortMapKeys,
indentionStep: cfg.IndentionStep,
streamPool: make(chan *Stream, 16),
iteratorPool: make(chan *Iterator, 16),
}
atomic.StorePointer(&frozenConfig.decoderCache, unsafe.Pointer(&map[string]Decoder{}))
atomic.StorePointer(&frozenConfig.encoderCache, unsafe.Pointer(&map[string]Encoder{}))
@ -153,7 +157,8 @@ func (cfg *frozenConfig) MarshalToString(v interface{}) (string, error) {
}
func (cfg *frozenConfig) Marshal(v interface{}) ([]byte, error) {
stream := NewStream(cfg, nil, 256)
stream := cfg.borrowStream()
defer cfg.returnStream(stream)
stream.WriteVal(v)
if stream.Error != nil {
return nil, stream.Error
@ -164,7 +169,8 @@ func (cfg *frozenConfig) Marshal(v interface{}) ([]byte, error) {
func (cfg *frozenConfig) UnmarshalFromString(str string, v interface{}) error {
data := []byte(str)
data = data[:lastNotSpacePos(data)]
iter := ParseBytes(cfg, data)
iter := cfg.borrowIterator(data)
defer cfg.returnIterator(iter)
iter.ReadVal(v)
if iter.head == iter.tail {
iter.loadMore()
@ -178,20 +184,11 @@ func (cfg *frozenConfig) UnmarshalFromString(str string, v interface{}) error {
return iter.Error
}
func (cfg *frozenConfig) NewEncoder(writer io.Writer) *AdaptedEncoder {
stream := NewStream(cfg, writer, 512)
return &AdaptedEncoder{stream}
}
func (cfg *frozenConfig) NewDecoder(reader io.Reader) *AdaptedDecoder {
iter := Parse(cfg, reader, 512)
return &AdaptedDecoder{iter}
}
func (cfg *frozenConfig) UnmarshalAnyFromString(str string) (Any, error) {
data := []byte(str)
data = data[:lastNotSpacePos(data)]
iter := ParseBytes(cfg, data)
iter := cfg.borrowIterator(data)
defer cfg.returnIterator(iter)
any := iter.ReadAny()
if iter.head == iter.tail {
iter.loadMore()
@ -207,7 +204,8 @@ func (cfg *frozenConfig) UnmarshalAnyFromString(str string) (Any, error) {
func (cfg *frozenConfig) UnmarshalAny(data []byte) (Any, error) {
data = data[:lastNotSpacePos(data)]
iter := ParseBytes(cfg, data)
iter := cfg.borrowIterator(data)
defer cfg.returnIterator(iter)
any := iter.ReadAny()
if iter.head == iter.tail {
iter.loadMore()
@ -223,7 +221,8 @@ func (cfg *frozenConfig) UnmarshalAny(data []byte) (Any, error) {
func (cfg *frozenConfig) Unmarshal(data []byte, v interface{}) error {
data = data[:lastNotSpacePos(data)]
iter := ParseBytes(cfg, data)
iter := cfg.borrowIterator(data)
defer cfg.returnIterator(iter)
typ := reflect.TypeOf(v)
if typ.Kind() != reflect.Ptr {
// return non-pointer error
@ -241,3 +240,13 @@ func (cfg *frozenConfig) Unmarshal(data []byte, v interface{}) error {
}
return iter.Error
}
func (cfg *frozenConfig) NewEncoder(writer io.Writer) *AdaptedEncoder {
stream := NewStream(cfg, writer, 512)
return &AdaptedEncoder{stream}
}
func (cfg *frozenConfig) NewDecoder(reader io.Reader) *AdaptedDecoder {
iter := Parse(cfg, reader, 512)
return &AdaptedDecoder{iter}
}