[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/github.com/json-iterator/go/reflect.go b/vendor/github.com/json-iterator/go/reflect.go
new file mode 100644
index 0000000..4459e20
--- /dev/null
+++ b/vendor/github.com/json-iterator/go/reflect.go
@@ -0,0 +1,332 @@
+package jsoniter
+
+import (
+ "fmt"
+ "reflect"
+ "unsafe"
+
+ "github.com/modern-go/reflect2"
+)
+
+// ValDecoder is an internal type registered to cache as needed.
+// Don't confuse jsoniter.ValDecoder with json.Decoder.
+// For json.Decoder's adapter, refer to jsoniter.AdapterDecoder(todo link).
+//
+// Reflection on type to create decoders, which is then cached
+// Reflection on value is avoided as we can, as the reflect.Value itself will allocate, with following exceptions
+// 1. create instance of new value, for example *int will need a int to be allocated
+// 2. append to slice, if the existing cap is not enough, allocate will be done using Reflect.New
+// 3. assignment to map, both key and value will be reflect.Value
+// For a simple struct binding, it will be reflect.Value free and allocation free
+type ValDecoder interface {
+ Decode(ptr unsafe.Pointer, iter *Iterator)
+}
+
+// ValEncoder is an internal type registered to cache as needed.
+// Don't confuse jsoniter.ValEncoder with json.Encoder.
+// For json.Encoder's adapter, refer to jsoniter.AdapterEncoder(todo godoc link).
+type ValEncoder interface {
+ IsEmpty(ptr unsafe.Pointer) bool
+ Encode(ptr unsafe.Pointer, stream *Stream)
+}
+
+type checkIsEmpty interface {
+ IsEmpty(ptr unsafe.Pointer) bool
+}
+
+type ctx struct {
+ *frozenConfig
+ prefix string
+ encoders map[reflect2.Type]ValEncoder
+ decoders map[reflect2.Type]ValDecoder
+}
+
+func (b *ctx) caseSensitive() bool {
+ if b.frozenConfig == nil {
+ // default is case-insensitive
+ return false
+ }
+ return b.frozenConfig.caseSensitive
+}
+
+func (b *ctx) append(prefix string) *ctx {
+ return &ctx{
+ frozenConfig: b.frozenConfig,
+ prefix: b.prefix + " " + prefix,
+ encoders: b.encoders,
+ decoders: b.decoders,
+ }
+}
+
+// ReadVal copy the underlying JSON into go interface, same as json.Unmarshal
+func (iter *Iterator) ReadVal(obj interface{}) {
+ cacheKey := reflect2.RTypeOf(obj)
+ decoder := iter.cfg.getDecoderFromCache(cacheKey)
+ if decoder == nil {
+ typ := reflect2.TypeOf(obj)
+ if typ.Kind() != reflect.Ptr {
+ iter.ReportError("ReadVal", "can only unmarshal into pointer")
+ return
+ }
+ decoder = iter.cfg.DecoderOf(typ)
+ }
+ ptr := reflect2.PtrOf(obj)
+ if ptr == nil {
+ iter.ReportError("ReadVal", "can not read into nil pointer")
+ return
+ }
+ decoder.Decode(ptr, iter)
+}
+
+// WriteVal copy the go interface into underlying JSON, same as json.Marshal
+func (stream *Stream) WriteVal(val interface{}) {
+ if nil == val {
+ stream.WriteNil()
+ return
+ }
+ cacheKey := reflect2.RTypeOf(val)
+ encoder := stream.cfg.getEncoderFromCache(cacheKey)
+ if encoder == nil {
+ typ := reflect2.TypeOf(val)
+ encoder = stream.cfg.EncoderOf(typ)
+ }
+ encoder.Encode(reflect2.PtrOf(val), stream)
+}
+
+func (cfg *frozenConfig) DecoderOf(typ reflect2.Type) ValDecoder {
+ cacheKey := typ.RType()
+ decoder := cfg.getDecoderFromCache(cacheKey)
+ if decoder != nil {
+ return decoder
+ }
+ ctx := &ctx{
+ frozenConfig: cfg,
+ prefix: "",
+ decoders: map[reflect2.Type]ValDecoder{},
+ encoders: map[reflect2.Type]ValEncoder{},
+ }
+ ptrType := typ.(*reflect2.UnsafePtrType)
+ decoder = decoderOfType(ctx, ptrType.Elem())
+ cfg.addDecoderToCache(cacheKey, decoder)
+ return decoder
+}
+
+func decoderOfType(ctx *ctx, typ reflect2.Type) ValDecoder {
+ decoder := getTypeDecoderFromExtension(ctx, typ)
+ if decoder != nil {
+ return decoder
+ }
+ decoder = createDecoderOfType(ctx, typ)
+ for _, extension := range extensions {
+ decoder = extension.DecorateDecoder(typ, decoder)
+ }
+ decoder = ctx.decoderExtension.DecorateDecoder(typ, decoder)
+ for _, extension := range ctx.extraExtensions {
+ decoder = extension.DecorateDecoder(typ, decoder)
+ }
+ return decoder
+}
+
+func createDecoderOfType(ctx *ctx, typ reflect2.Type) ValDecoder {
+ decoder := ctx.decoders[typ]
+ if decoder != nil {
+ return decoder
+ }
+ placeholder := &placeholderDecoder{}
+ ctx.decoders[typ] = placeholder
+ decoder = _createDecoderOfType(ctx, typ)
+ placeholder.decoder = decoder
+ return decoder
+}
+
+func _createDecoderOfType(ctx *ctx, typ reflect2.Type) ValDecoder {
+ decoder := createDecoderOfJsonRawMessage(ctx, typ)
+ if decoder != nil {
+ return decoder
+ }
+ decoder = createDecoderOfJsonNumber(ctx, typ)
+ if decoder != nil {
+ return decoder
+ }
+ decoder = createDecoderOfMarshaler(ctx, typ)
+ if decoder != nil {
+ return decoder
+ }
+ decoder = createDecoderOfAny(ctx, typ)
+ if decoder != nil {
+ return decoder
+ }
+ decoder = createDecoderOfNative(ctx, typ)
+ if decoder != nil {
+ return decoder
+ }
+ switch typ.Kind() {
+ case reflect.Interface:
+ ifaceType, isIFace := typ.(*reflect2.UnsafeIFaceType)
+ if isIFace {
+ return &ifaceDecoder{valType: ifaceType}
+ }
+ return &efaceDecoder{}
+ case reflect.Struct:
+ return decoderOfStruct(ctx, typ)
+ case reflect.Array:
+ return decoderOfArray(ctx, typ)
+ case reflect.Slice:
+ return decoderOfSlice(ctx, typ)
+ case reflect.Map:
+ return decoderOfMap(ctx, typ)
+ case reflect.Ptr:
+ return decoderOfOptional(ctx, typ)
+ default:
+ return &lazyErrorDecoder{err: fmt.Errorf("%s%s is unsupported type", ctx.prefix, typ.String())}
+ }
+}
+
+func (cfg *frozenConfig) EncoderOf(typ reflect2.Type) ValEncoder {
+ cacheKey := typ.RType()
+ encoder := cfg.getEncoderFromCache(cacheKey)
+ if encoder != nil {
+ return encoder
+ }
+ ctx := &ctx{
+ frozenConfig: cfg,
+ prefix: "",
+ decoders: map[reflect2.Type]ValDecoder{},
+ encoders: map[reflect2.Type]ValEncoder{},
+ }
+ encoder = encoderOfType(ctx, typ)
+ if typ.LikePtr() {
+ encoder = &onePtrEncoder{encoder}
+ }
+ cfg.addEncoderToCache(cacheKey, encoder)
+ return encoder
+}
+
+type onePtrEncoder struct {
+ encoder ValEncoder
+}
+
+func (encoder *onePtrEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ return encoder.encoder.IsEmpty(unsafe.Pointer(&ptr))
+}
+
+func (encoder *onePtrEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ encoder.encoder.Encode(unsafe.Pointer(&ptr), stream)
+}
+
+func encoderOfType(ctx *ctx, typ reflect2.Type) ValEncoder {
+ encoder := getTypeEncoderFromExtension(ctx, typ)
+ if encoder != nil {
+ return encoder
+ }
+ encoder = createEncoderOfType(ctx, typ)
+ for _, extension := range extensions {
+ encoder = extension.DecorateEncoder(typ, encoder)
+ }
+ encoder = ctx.encoderExtension.DecorateEncoder(typ, encoder)
+ for _, extension := range ctx.extraExtensions {
+ encoder = extension.DecorateEncoder(typ, encoder)
+ }
+ return encoder
+}
+
+func createEncoderOfType(ctx *ctx, typ reflect2.Type) ValEncoder {
+ encoder := ctx.encoders[typ]
+ if encoder != nil {
+ return encoder
+ }
+ placeholder := &placeholderEncoder{}
+ ctx.encoders[typ] = placeholder
+ encoder = _createEncoderOfType(ctx, typ)
+ placeholder.encoder = encoder
+ return encoder
+}
+func _createEncoderOfType(ctx *ctx, typ reflect2.Type) ValEncoder {
+ encoder := createEncoderOfJsonRawMessage(ctx, typ)
+ if encoder != nil {
+ return encoder
+ }
+ encoder = createEncoderOfJsonNumber(ctx, typ)
+ if encoder != nil {
+ return encoder
+ }
+ encoder = createEncoderOfMarshaler(ctx, typ)
+ if encoder != nil {
+ return encoder
+ }
+ encoder = createEncoderOfAny(ctx, typ)
+ if encoder != nil {
+ return encoder
+ }
+ encoder = createEncoderOfNative(ctx, typ)
+ if encoder != nil {
+ return encoder
+ }
+ kind := typ.Kind()
+ switch kind {
+ case reflect.Interface:
+ return &dynamicEncoder{typ}
+ case reflect.Struct:
+ return encoderOfStruct(ctx, typ)
+ case reflect.Array:
+ return encoderOfArray(ctx, typ)
+ case reflect.Slice:
+ return encoderOfSlice(ctx, typ)
+ case reflect.Map:
+ return encoderOfMap(ctx, typ)
+ case reflect.Ptr:
+ return encoderOfOptional(ctx, typ)
+ default:
+ return &lazyErrorEncoder{err: fmt.Errorf("%s%s is unsupported type", ctx.prefix, typ.String())}
+ }
+}
+
+type lazyErrorDecoder struct {
+ err error
+}
+
+func (decoder *lazyErrorDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
+ if iter.WhatIsNext() != NilValue {
+ if iter.Error == nil {
+ iter.Error = decoder.err
+ }
+ } else {
+ iter.Skip()
+ }
+}
+
+type lazyErrorEncoder struct {
+ err error
+}
+
+func (encoder *lazyErrorEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ if ptr == nil {
+ stream.WriteNil()
+ } else if stream.Error == nil {
+ stream.Error = encoder.err
+ }
+}
+
+func (encoder *lazyErrorEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ return false
+}
+
+type placeholderDecoder struct {
+ decoder ValDecoder
+}
+
+func (decoder *placeholderDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
+ decoder.decoder.Decode(ptr, iter)
+}
+
+type placeholderEncoder struct {
+ encoder ValEncoder
+}
+
+func (encoder *placeholderEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ encoder.encoder.Encode(ptr, stream)
+}
+
+func (encoder *placeholderEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ return encoder.encoder.IsEmpty(ptr)
+}