test: encode test program

tools/encode/encyaml.go

@@ -0,0 +1,70 @@
+package main
+
+import (
+	"fmt"
+
+	"gopkg.in/yaml.v3"
+)
+
+func printYAML(node *yaml.Node) {
+	switch node.Kind {
+	case yaml.MappingNode:
+		fmt.Print(node.HeadComment)
+		fmt.Print("{")
+		for i := 0; i < len(node.Content)/2; i++ {
+			key := node.Content[i*2]
+			value := node.Content[i*2+1]
+			printYAML(key)
+			fmt.Print(": ")
+			printYAML(value)
+			if i < len(node.Content)/2-1 {
+				fmt.Print(", ")
+			}
+		}
+		fmt.Print("}")
+		fmt.Print(node.FootComment)
+	case yaml.SequenceNode:
+		fmt.Print("[")
+		for i, n := range node.Content {
+			printYAML(n)
+			if i < len(node.Content)-1 {
+				fmt.Print(", ")
+			}
+		}
+		fmt.Print("]")
+	default:
+		fmt.Print(node.Value)
+	}
+}
+
+func main() {
+	data := `
+test:
+  smfSystem:
+    display: "SMF System"
+    list:
+    - name: "sbiIpAddr"
+      type: "string"
+      value: "172.16.5.150"
+      access: "read-write"
+      filter: ''
+      display: "SBI IP"
+      comment: ""      
+amf:
+  smfSystem:
+    display: "SMF System"
+    list:
+    - name: "sbiIpAddr"
+      type: "string"
+      value: "172.16.5.150"
+      access: "read-write"
+      filter: ''
+      display: "SBI IP"
+      comment: ""
+`
+	var node yaml.Node
+	if err := yaml.Unmarshal([]byte(data), &node); err != nil {
+		panic(err)
+	}
+	printYAML(&node)
+}