5 "github.com/modern-go/reflect2"
10 func decoderOfArray(ctx *ctx, typ reflect2.Type) ValDecoder {
11 arrayType := typ.(*reflect2.UnsafeArrayType)
12 decoder := decoderOfType(ctx.append("[arrayElem]"), arrayType.Elem())
13 return &arrayDecoder{arrayType, decoder}
16 func encoderOfArray(ctx *ctx, typ reflect2.Type) ValEncoder {
17 arrayType := typ.(*reflect2.UnsafeArrayType)
18 if arrayType.Len() == 0 {
19 return emptyArrayEncoder{}
21 encoder := encoderOfType(ctx.append("[arrayElem]"), arrayType.Elem())
22 return &arrayEncoder{arrayType, encoder}
25 type emptyArrayEncoder struct{}
27 func (encoder emptyArrayEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
28 stream.WriteEmptyArray()
31 func (encoder emptyArrayEncoder) IsEmpty(ptr unsafe.Pointer) bool {
35 type arrayEncoder struct {
36 arrayType *reflect2.UnsafeArrayType
37 elemEncoder ValEncoder
40 func (encoder *arrayEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
41 stream.WriteArrayStart()
42 elemPtr := unsafe.Pointer(ptr)
43 encoder.elemEncoder.Encode(elemPtr, stream)
44 for i := 1; i < encoder.arrayType.Len(); i++ {
46 elemPtr = encoder.arrayType.UnsafeGetIndex(ptr, i)
47 encoder.elemEncoder.Encode(elemPtr, stream)
49 stream.WriteArrayEnd()
50 if stream.Error != nil && stream.Error != io.EOF {
51 stream.Error = fmt.Errorf("%v: %s", encoder.arrayType, stream.Error.Error())
55 func (encoder *arrayEncoder) IsEmpty(ptr unsafe.Pointer) bool {
59 type arrayDecoder struct {
60 arrayType *reflect2.UnsafeArrayType
61 elemDecoder ValDecoder
64 func (decoder *arrayDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
65 decoder.doDecode(ptr, iter)
66 if iter.Error != nil && iter.Error != io.EOF {
67 iter.Error = fmt.Errorf("%v: %s", decoder.arrayType, iter.Error.Error())
71 func (decoder *arrayDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) {
73 arrayType := decoder.arrayType
75 iter.skipThreeBytes('u', 'l', 'l')
79 iter.ReportError("decode array", "expect [ or n, but found "+string([]byte{c}))
87 elemPtr := arrayType.UnsafeGetIndex(ptr, 0)
88 decoder.elemDecoder.Decode(elemPtr, iter)
90 for c = iter.nextToken(); c == ','; c = iter.nextToken() {
91 if length >= arrayType.Len() {
97 elemPtr = arrayType.UnsafeGetIndex(ptr, idx)
98 decoder.elemDecoder.Decode(elemPtr, iter)
101 iter.ReportError("decode array", "expect ], but found "+string([]byte{c}))