reflect string

jsoniter_object_test.go

@@ -71,18 +71,18 @@ type TestObj struct {
 
 func Benchmark_jsoniter_object(b *testing.B) {
 	for n := 0; n < b.N; n++ {
-		iter := ParseString(`{"field1": "1", "field2": 2}`)
-		obj := TestObj{}
-		for field := iter.ReadObject(); field != ""; field = iter.ReadObject() {
-			switch field {
-			case "field1":
-				obj.Field1 = iter.ReadString()
-			case "field2":
-				obj.Field2 = iter.ReadUint64()
-			default:
-				iter.ReportError("bind object", "unexpected field")
-			}
-		}
+iter := ParseString(`{"field1": "1", "field2": 2}`)
+obj := TestObj{}
+for field := iter.ReadObject(); field != ""; field = iter.ReadObject() {
+	switch field {
+	case "field1":
+		obj.Field1 = iter.ReadString()
+	case "field2":
+		obj.Field2 = iter.ReadUint64()
+	default:
+		iter.ReportError("bind object", "unexpected field")
+	}
+}
 	}
 }
 

jsoniter_reflect.go

@@ -0,0 +1,53 @@
+package jsoniter
+
+import (
+	"reflect"
+	"errors"
+)
+
+type Decoder interface {
+	decode(iter *Iterator, obj interface{})
+}
+
+type stringDecoder struct {
+}
+
+func (decoder *stringDecoder) decode(iter *Iterator, obj interface{}) {
+	ptr := obj.(*string)
+	*ptr = iter.ReadString()
+}
+
+var DECODER_STRING *stringDecoder
+
+func init() {
+	DECODER_STRING = &stringDecoder{}
+}
+
+func (iter *Iterator) Read(obj interface{}) {
+	type_ := reflect.TypeOf(obj)
+	decoder, err := decoderOfType(type_)
+	if err != nil {
+		iter.Error = err
+		return
+	}
+	decoder.decode(iter, obj)
+}
+
+func decoderOfType(type_ reflect.Type) (Decoder, error) {
+	switch type_.Kind() {
+	case reflect.Ptr:
+		return decoderOfPtr(type_.Elem())
+	default:
+		return nil, errors.New("expect ptr")
+	}
+}
+
+func decoderOfPtr(type_ reflect.Type) (Decoder, error) {
+	switch type_.Kind() {
+	case reflect.String:
+		return DECODER_STRING, nil
+	default:
+		return nil, errors.New("expect string")
+	}
+}
+

jsoniter_reflect_test.go

@@ -0,0 +1,14 @@
+package jsoniter
+
+import (
+	"testing"
+)
+
+func Test_reflect_str(t *testing.T) {
+	iter := ParseString(`"hello"`)
+	str := ""
+	iter.Read(&str)
+	if str != "hello" {
+		t.FailNow()
+	}
+}

jsoniter_skip_test.go

@@ -76,13 +76,13 @@ func Test_skip_empty_object(t *testing.T) {
 }
 
 func Test_skip_nested(t *testing.T) {
-	iter := ParseString(`[ {"a" : [{"b": "c"}], "d": 102 }, "b"]`)
-	iter.ReadArray()
-	iter.Skip()
-	iter.ReadArray()
-	if iter.ReadString() != "b" {
-		t.FailNow()
-	}
+iter := ParseString(`[ {"a" : [{"b": "c"}], "d": 102 }, "b"]`)
+iter.ReadArray()
+iter.Skip()
+iter.ReadArray()
+if iter.ReadString() != "b" {
+	t.FailNow()
+}
 }
 
 type TestResp struct {