Added *node.Unmarshal() method

src/node.go

@@ -1,5 +1,7 @@
 package xmlx
 
+import "os"
+import "strings"
 import "xml"
 import "fmt"
 import "strconv"
@@ -24,13 +26,17 @@ type Node struct {
 	Attributes	[]Attr;
 	Parent		*Node;
 	Value		string;
-
-	// procinst field
-	Target	string;
+	Target		string; // procinst field
 }
 
 func NewNode(tid byte) *Node	{ return &Node{Type: tid} }
 
+// This wraps the standard xml.Unmarshal function and supplies this particular 
+// node as the content to be unmarshalled.
+func (this *Node) Unmarshal(obj interface{}) os.Error {
+	return xml.Unmarshal(strings.NewReader(this.String()), obj);
+}
+
 // Get node value as string
 func (this *Node) GetValue(namespace, name string) string {
 	node := rec_SelectNode(this, namespace, name);

src/xmlx_test.go

@@ -70,3 +70,41 @@ func TestNodeSearch(t *testing.T) {
 	}
 }
 
+type Image struct {
+	Title		string;
+	Url		string;
+	Link		string;
+	Width		string;
+	Height		string;
+	Description	string;
+}
+
+func TestUnmarshal(t *testing.T) {
+	doc := New();
+	err := doc.LoadFile("test.xml");
+
+	if err != nil {
+		t.Errorf("LoadFile(): %s", err);
+		return;
+	}
+
+	node := doc.SelectNode("", "image");
+	if node == nil {
+		t.Errorf("SelectNode(): No node found.");
+		return;
+	}
+
+	img := Image{};
+	err = node.Unmarshal(&img);
+	if err != nil {
+		t.Errorf("Unmarshal(): %s", err);
+		return;
+	}
+
+	if img.Title != "WriteTheWeb" {
+		t.Errorf("Image.Title has incorrect value. Got '%s', expected 'WriteTheWeb'.", img.Title);
+		return;
+	}
+}
+
+