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path: root/vendor/github.com/json-iterator/go/reflect_array.go
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Diffstat (limited to 'vendor/github.com/json-iterator/go/reflect_array.go')
-rw-r--r--vendor/github.com/json-iterator/go/reflect_array.go104
1 files changed, 104 insertions, 0 deletions
diff --git a/vendor/github.com/json-iterator/go/reflect_array.go b/vendor/github.com/json-iterator/go/reflect_array.go
new file mode 100644
index 000000000..13a0b7b08
--- /dev/null
+++ b/vendor/github.com/json-iterator/go/reflect_array.go
@@ -0,0 +1,104 @@
+package jsoniter
+
+import (
+ "fmt"
+ "github.com/modern-go/reflect2"
+ "io"
+ "unsafe"
+)
+
+func decoderOfArray(ctx *ctx, typ reflect2.Type) ValDecoder {
+ arrayType := typ.(*reflect2.UnsafeArrayType)
+ decoder := decoderOfType(ctx.append("[arrayElem]"), arrayType.Elem())
+ return &arrayDecoder{arrayType, decoder}
+}
+
+func encoderOfArray(ctx *ctx, typ reflect2.Type) ValEncoder {
+ arrayType := typ.(*reflect2.UnsafeArrayType)
+ if arrayType.Len() == 0 {
+ return emptyArrayEncoder{}
+ }
+ encoder := encoderOfType(ctx.append("[arrayElem]"), arrayType.Elem())
+ return &arrayEncoder{arrayType, encoder}
+}
+
+type emptyArrayEncoder struct{}
+
+func (encoder emptyArrayEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ stream.WriteEmptyArray()
+}
+
+func (encoder emptyArrayEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ return true
+}
+
+type arrayEncoder struct {
+ arrayType *reflect2.UnsafeArrayType
+ elemEncoder ValEncoder
+}
+
+func (encoder *arrayEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ stream.WriteArrayStart()
+ elemPtr := unsafe.Pointer(ptr)
+ encoder.elemEncoder.Encode(elemPtr, stream)
+ for i := 1; i < encoder.arrayType.Len(); i++ {
+ stream.WriteMore()
+ elemPtr = encoder.arrayType.UnsafeGetIndex(ptr, i)
+ encoder.elemEncoder.Encode(elemPtr, stream)
+ }
+ stream.WriteArrayEnd()
+ if stream.Error != nil && stream.Error != io.EOF {
+ stream.Error = fmt.Errorf("%v: %s", encoder.arrayType, stream.Error.Error())
+ }
+}
+
+func (encoder *arrayEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ return false
+}
+
+type arrayDecoder struct {
+ arrayType *reflect2.UnsafeArrayType
+ elemDecoder ValDecoder
+}
+
+func (decoder *arrayDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
+ decoder.doDecode(ptr, iter)
+ if iter.Error != nil && iter.Error != io.EOF {
+ iter.Error = fmt.Errorf("%v: %s", decoder.arrayType, iter.Error.Error())
+ }
+}
+
+func (decoder *arrayDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) {
+ c := iter.nextToken()
+ arrayType := decoder.arrayType
+ if c == 'n' {
+ iter.skipThreeBytes('u', 'l', 'l')
+ return
+ }
+ if c != '[' {
+ iter.ReportError("decode array", "expect [ or n, but found "+string([]byte{c}))
+ return
+ }
+ c = iter.nextToken()
+ if c == ']' {
+ return
+ }
+ iter.unreadByte()
+ elemPtr := arrayType.UnsafeGetIndex(ptr, 0)
+ decoder.elemDecoder.Decode(elemPtr, iter)
+ length := 1
+ for c = iter.nextToken(); c == ','; c = iter.nextToken() {
+ if length >= arrayType.Len() {
+ iter.Skip()
+ continue
+ }
+ idx := length
+ length += 1
+ elemPtr = arrayType.UnsafeGetIndex(ptr, idx)
+ decoder.elemDecoder.Decode(elemPtr, iter)
+ }
+ if c != ']' {
+ iter.ReportError("decode array", "expect ], but found "+string([]byte{c}))
+ return
+ }
+}