wip json encoding

pkg/yqlib/encoder.go

@@ -0,0 +1,44 @@
+package yqlib
+
+import (
+	"encoding/json"
+	"io"
+
+	yaml "gopkg.in/yaml.v3"
+)
+
+type Encoder interface {
+	Encode(node *yaml.Node) error
+}
+
+type yamlEncoder struct {
+	encoder *yaml.Encoder
+}
+
+func NewYamlEncoder(destination io.Writer) Encoder {
+	var encoder = yaml.NewEncoder(destination)
+	encoder.SetIndent(2)
+	return &yamlEncoder{encoder}
+}
+
+func (ye *yamlEncoder) Encode(node *yaml.Node) error {
+	return ye.encoder.Encode(node)
+}
+
+type jsonEncoder struct {
+	encoder *json.Encoder
+}
+
+func NewJsonEncoder(destination io.Writer) Encoder {
+	var encoder = json.NewEncoder(destination)
+	return &jsonEncoder{encoder}
+}
+
+func (je *jsonEncoder) Encode(node *yaml.Node) error {
+	var dataBucket interface{}
+	errorDecoding := node.Decode(&dataBucket)
+	if errorDecoding != nil {
+		return errorDecoding
+	}
+	return je.encoder.Encode(dataBucket)
+}