service/vendor/github.com/alibabacloud-go/tea-xml/service/service.go

106 lines
2.3 KiB
Go

package service
import (
"bytes"
"encoding/xml"
"fmt"
"reflect"
"strings"
"github.com/alibabacloud-go/tea/tea"
v2 "github.com/clbanning/mxj/v2"
)
func ToXML(obj map[string]interface{}) *string {
return tea.String(mapToXML(obj))
}
func ParseXml(val *string, result interface{}) map[string]interface{} {
resp := make(map[string]interface{})
start := getStartElement([]byte(tea.StringValue(val)))
if result == nil {
vm, err := v2.NewMapXml([]byte(tea.StringValue(val)))
if err != nil {
return nil
}
return vm
}
out, err := xmlUnmarshal([]byte(tea.StringValue(val)), result)
if err != nil {
return resp
}
resp[start] = out
return resp
}
func mapToXML(val map[string]interface{}) string {
res := ""
for key, value := range val {
switch value.(type) {
case []interface{}:
for _, v := range value.([]interface{}) {
switch v.(type) {
case map[string]interface{}:
res += `<` + key + `>`
res += mapToXML(v.(map[string]interface{}))
res += `</` + key + `>`
default:
if fmt.Sprintf("%v", v) != `<nil>` {
res += `<` + key + `>`
res += fmt.Sprintf("%v", v)
res += `</` + key + `>`
}
}
}
case map[string]interface{}:
res += `<` + key + `>`
res += mapToXML(value.(map[string]interface{}))
res += `</` + key + `>`
default:
if fmt.Sprintf("%v", value) != `<nil>` {
res += `<` + key + `>`
res += fmt.Sprintf("%v", value)
res += `</` + key + `>`
}
}
}
return res
}
func getStartElement(body []byte) string {
d := xml.NewDecoder(bytes.NewReader(body))
for {
tok, err := d.Token()
if err != nil {
return ""
}
if t, ok := tok.(xml.StartElement); ok {
return t.Name.Local
}
}
}
func xmlUnmarshal(body []byte, result interface{}) (interface{}, error) {
start := getStartElement(body)
dataValue := reflect.ValueOf(result).Elem()
dataType := dataValue.Type()
for i := 0; i < dataType.NumField(); i++ {
field := dataType.Field(i)
name, containsNameTag := field.Tag.Lookup("xml")
name = strings.Replace(name, ",omitempty", "", -1)
if containsNameTag {
if name == start {
realType := dataValue.Field(i).Type()
realValue := reflect.New(realType).Interface()
err := xml.Unmarshal(body, realValue)
if err != nil {
return nil, err
}
return realValue, nil
}
}
}
return nil, nil
}