initial import

core/jsonx/json.go

@@ -0,0 +1,51 @@
+package jsonx
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"strings"
+)
+
+func Marshal(v interface{}) ([]byte, error) {
+	return json.Marshal(v)
+}
+
+func Unmarshal(data []byte, v interface{}) error {
+	decoder := json.NewDecoder(bytes.NewReader(data))
+	if err := unmarshalUseNumber(decoder, v); err != nil {
+		return formatError(string(data), err)
+	}
+
+	return nil
+}
+
+func UnmarshalFromString(str string, v interface{}) error {
+	decoder := json.NewDecoder(strings.NewReader(str))
+	if err := unmarshalUseNumber(decoder, v); err != nil {
+		return formatError(str, err)
+	}
+
+	return nil
+}
+
+func UnmarshalFromReader(reader io.Reader, v interface{}) error {
+	var buf strings.Builder
+	teeReader := io.TeeReader(reader, &buf)
+	decoder := json.NewDecoder(teeReader)
+	if err := unmarshalUseNumber(decoder, v); err != nil {
+		return formatError(buf.String(), err)
+	}
+
+	return nil
+}
+
+func unmarshalUseNumber(decoder *json.Decoder, v interface{}) error {
+	decoder.UseNumber()
+	return decoder.Decode(v)
+}
+
+func formatError(v string, err error) error {
+	return fmt.Errorf("string: `%s`, error: `%s`", v, err.Error())
+}