Added Base Params functionality

Currently only at beginning of args list.

xmlrpc/http.go

@@ -17,7 +17,21 @@ import (
 // xmlrpc.Fault.
 func (r RemoteMethod) Call(args ...) (ParamValue, os.Error) {
 	body := new(bytes.Buffer)
-	r.SendXML(body, Params(args))
+	if r.BaseParams != nil {
+		p := make([]ParamValue, len(r.BaseParams)+argLength(args))
+		i := 0
+		for _, v := range r.BaseParams {
+			p[i] = v
+			i++
+		}
+		for _, v := range Params(args) {
+			p[i] = v
+			i++
+		}
+		r.SendXML(body, p)
+	} else {
+		r.SendXML(body, Params(args))
+	}
 	resp, err := http.Post(r.Endpoint, "text/xml", body)
 	if err != nil {
 		return nil, err

xmlrpc/param.go

@@ -20,6 +20,11 @@ func Params(params ...) []ParamValue {
 	return par
 }
 
+func argLength(args ...) int {
+	pStruct := reflect.NewValue(args).(*reflect.StructValue)
+	return pStruct.NumField()
+}
+
 func structParams(v *reflect.StructValue) StructValue {
 	p := make(StructValue, v.NumField())
 	for n := 0; n < v.NumField(); n++ {

xmlrpc/request.go

@@ -12,8 +12,9 @@ import (
 // The remote method to call. Endpoint is the URL of the endpoint
 // Method is the name of the method to call.
 type RemoteMethod struct {
-	Endpoint string
-	Method   string
+	Endpoint   string
+	Method     string
+	BaseParams []ParamValue
 }
 
 // This methods writes the xml representation of the request