Import of https://github.com/ciena/voltctl at commit 40d61fbf3f910ed4017cf67c9c79e8e1f82a33a5
Change-Id: I8464c59e60d76cb8612891db3303878975b5416c
diff --git a/vendor/github.com/json-iterator/go/reflect_struct_encoder.go b/vendor/github.com/json-iterator/go/reflect_struct_encoder.go
new file mode 100644
index 0000000..d0759cf
--- /dev/null
+++ b/vendor/github.com/json-iterator/go/reflect_struct_encoder.go
@@ -0,0 +1,210 @@
+package jsoniter
+
+import (
+ "fmt"
+ "github.com/modern-go/reflect2"
+ "io"
+ "reflect"
+ "unsafe"
+)
+
+func encoderOfStruct(ctx *ctx, typ reflect2.Type) ValEncoder {
+ type bindingTo struct {
+ binding *Binding
+ toName string
+ ignored bool
+ }
+ orderedBindings := []*bindingTo{}
+ structDescriptor := describeStruct(ctx, typ)
+ for _, binding := range structDescriptor.Fields {
+ for _, toName := range binding.ToNames {
+ new := &bindingTo{
+ binding: binding,
+ toName: toName,
+ }
+ for _, old := range orderedBindings {
+ if old.toName != toName {
+ continue
+ }
+ old.ignored, new.ignored = resolveConflictBinding(ctx.frozenConfig, old.binding, new.binding)
+ }
+ orderedBindings = append(orderedBindings, new)
+ }
+ }
+ if len(orderedBindings) == 0 {
+ return &emptyStructEncoder{}
+ }
+ finalOrderedFields := []structFieldTo{}
+ for _, bindingTo := range orderedBindings {
+ if !bindingTo.ignored {
+ finalOrderedFields = append(finalOrderedFields, structFieldTo{
+ encoder: bindingTo.binding.Encoder.(*structFieldEncoder),
+ toName: bindingTo.toName,
+ })
+ }
+ }
+ return &structEncoder{typ, finalOrderedFields}
+}
+
+func createCheckIsEmpty(ctx *ctx, typ reflect2.Type) checkIsEmpty {
+ encoder := createEncoderOfNative(ctx, typ)
+ if encoder != nil {
+ return encoder
+ }
+ kind := typ.Kind()
+ switch kind {
+ case reflect.Interface:
+ return &dynamicEncoder{typ}
+ case reflect.Struct:
+ return &structEncoder{typ: typ}
+ case reflect.Array:
+ return &arrayEncoder{}
+ case reflect.Slice:
+ return &sliceEncoder{}
+ case reflect.Map:
+ return encoderOfMap(ctx, typ)
+ case reflect.Ptr:
+ return &OptionalEncoder{}
+ default:
+ return &lazyErrorEncoder{err: fmt.Errorf("unsupported type: %v", typ)}
+ }
+}
+
+func resolveConflictBinding(cfg *frozenConfig, old, new *Binding) (ignoreOld, ignoreNew bool) {
+ newTagged := new.Field.Tag().Get(cfg.getTagKey()) != ""
+ oldTagged := old.Field.Tag().Get(cfg.getTagKey()) != ""
+ if newTagged {
+ if oldTagged {
+ if len(old.levels) > len(new.levels) {
+ return true, false
+ } else if len(new.levels) > len(old.levels) {
+ return false, true
+ } else {
+ return true, true
+ }
+ } else {
+ return true, false
+ }
+ } else {
+ if oldTagged {
+ return true, false
+ }
+ if len(old.levels) > len(new.levels) {
+ return true, false
+ } else if len(new.levels) > len(old.levels) {
+ return false, true
+ } else {
+ return true, true
+ }
+ }
+}
+
+type structFieldEncoder struct {
+ field reflect2.StructField
+ fieldEncoder ValEncoder
+ omitempty bool
+}
+
+func (encoder *structFieldEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ fieldPtr := encoder.field.UnsafeGet(ptr)
+ encoder.fieldEncoder.Encode(fieldPtr, stream)
+ if stream.Error != nil && stream.Error != io.EOF {
+ stream.Error = fmt.Errorf("%s: %s", encoder.field.Name(), stream.Error.Error())
+ }
+}
+
+func (encoder *structFieldEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ fieldPtr := encoder.field.UnsafeGet(ptr)
+ return encoder.fieldEncoder.IsEmpty(fieldPtr)
+}
+
+func (encoder *structFieldEncoder) IsEmbeddedPtrNil(ptr unsafe.Pointer) bool {
+ isEmbeddedPtrNil, converted := encoder.fieldEncoder.(IsEmbeddedPtrNil)
+ if !converted {
+ return false
+ }
+ fieldPtr := encoder.field.UnsafeGet(ptr)
+ return isEmbeddedPtrNil.IsEmbeddedPtrNil(fieldPtr)
+}
+
+type IsEmbeddedPtrNil interface {
+ IsEmbeddedPtrNil(ptr unsafe.Pointer) bool
+}
+
+type structEncoder struct {
+ typ reflect2.Type
+ fields []structFieldTo
+}
+
+type structFieldTo struct {
+ encoder *structFieldEncoder
+ toName string
+}
+
+func (encoder *structEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ stream.WriteObjectStart()
+ isNotFirst := false
+ for _, field := range encoder.fields {
+ if field.encoder.omitempty && field.encoder.IsEmpty(ptr) {
+ continue
+ }
+ if field.encoder.IsEmbeddedPtrNil(ptr) {
+ continue
+ }
+ if isNotFirst {
+ stream.WriteMore()
+ }
+ stream.WriteObjectField(field.toName)
+ field.encoder.Encode(ptr, stream)
+ isNotFirst = true
+ }
+ stream.WriteObjectEnd()
+ if stream.Error != nil && stream.Error != io.EOF {
+ stream.Error = fmt.Errorf("%v.%s", encoder.typ, stream.Error.Error())
+ }
+}
+
+func (encoder *structEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ return false
+}
+
+type emptyStructEncoder struct {
+}
+
+func (encoder *emptyStructEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ stream.WriteEmptyObject()
+}
+
+func (encoder *emptyStructEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ return false
+}
+
+type stringModeNumberEncoder struct {
+ elemEncoder ValEncoder
+}
+
+func (encoder *stringModeNumberEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ stream.writeByte('"')
+ encoder.elemEncoder.Encode(ptr, stream)
+ stream.writeByte('"')
+}
+
+func (encoder *stringModeNumberEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ return encoder.elemEncoder.IsEmpty(ptr)
+}
+
+type stringModeStringEncoder struct {
+ elemEncoder ValEncoder
+ cfg *frozenConfig
+}
+
+func (encoder *stringModeStringEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ tempStream := encoder.cfg.BorrowStream(nil)
+ defer encoder.cfg.ReturnStream(tempStream)
+ encoder.elemEncoder.Encode(ptr, tempStream)
+ stream.WriteString(string(tempStream.Buffer()))
+}
+
+func (encoder *stringModeStringEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ return encoder.elemEncoder.IsEmpty(ptr)
+}