internal/protocol: use encoding/xml fork for name space prefixes

Author: ydnar

internal/protocol/xml.go

@@ -1,22 +1,21 @@
 package protocol
 
 import (
-	"encoding/xml"
-
-	"github.com/domainr/epp/ns"
+	"github.com/domainr/epp/internal/encoding/xml"
 )
 
 type EPP struct {
+	XMLName struct{} `xml:"urn:ietf:params:xml:ns:epp-1.0 epp"`
 	Command *Command `xml:"command,omitempty"`
 }
 
-func (epp *EPP) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
-	// start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "xmlns"}, Value: ns.EPP})
-	start.Name.Space = ns.EPP
-	start.Name.Local = "epp"
-	type proxy EPP
-	return e.EncodeElement((*proxy)(epp), start)
-}
+// func (epp *EPP) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+// 	// start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "xmlns"}, Value: ns.EPP})
+// 	start.Name.Space = ns.EPP
+// 	start.Name.Local = "epp"
+// 	type proxy EPP
+// 	return e.EncodeElement((*proxy)(epp), start)
+// }
 
 type Command struct {
 	Check *Check `xml:"check,omitempty"`
@@ -31,12 +30,9 @@ type DomainCheck struct {
 }
 
 func (dc *DomainCheck) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
-	// start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "xmlns:domain"}, Value: start.Name.Space})
-	// start.Name.Local = "domain:" + start.Name.Local
-	// start.Name.Space = ""
+	start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Space: "xmlns", Local: "domain"}, Value: start.Name.Space})
 	type proxy DomainCheck
-	return encodePrefixed(e, (*proxy)(dc), start, "domain")
-	// return e.EncodeElement((*proxy)(dc), start)
+	return e.EncodeElement((*proxy)(dc), start)
 }
 
 type DomainNames []string