public void Add(object content)
{
if (content == null)
{
return;
}
foreach (object o in XUtil.ExpandArray(content))
{
if (!OnAddingObject(o, false, last, false))
{
OnAddingObject();
AddNode(XUtil.ToNode(o));
OnAddedObject();
}
}
}
void SetAttributeObject(XAttribute a)
{
OnAddingObject(a);
a = (XAttribute)XUtil.GetDetachedObject(a);
a.SetOwner(this);
if (attr_first == null)
{
attr_first = a;
attr_last = a;
}
else
{
attr_last.NextAttribute = a;
a.PreviousAttribute = attr_last;
attr_last = a;
}
OnAddedObject(a);
}
public void AddBeforeSelf (object content)
{
if (Parent == null)
throw new InvalidOperationException ();
foreach (object o in XUtil.ExpandArray (content)) {
if (Owner.OnAddingObject (o, true, previous, true))
continue;
XNode n = XUtil.ToNode (o);
n = (XNode) XUtil.GetDetachedObject (n);
n.SetOwner (Parent);
n.previous = previous;
n.next = this;
if (previous != null)
previous.next = n;
previous = n;
if (Parent.FirstNode == this)
Parent.FirstNode = n;
}
}
public void ReplaceWith(object content)
{
if (Owner == null)
{
throw new InvalidOperationException();
}
XNode here = previous;
XNode orgNext = next;
XContainer orgOwner = Owner;
Remove();
foreach (object o in XUtil.ExpandArray(content))
{
if (o == null || orgOwner.OnAddingObject(o, true, here, false))
{
continue;
}
XNode n = XUtil.ToNode(o);
n = (XNode)XUtil.GetDetachedObject(n);
n.SetOwner(orgOwner);
n.previous = here;
if (here != null)
{
here.next = n;
}
else
{
orgOwner.FirstNode = n;
}
n.next = orgNext;
if (orgNext != null)
{
orgNext.previous = n;
}
else
{
orgOwner.LastNode = n;
}
here = n;
}
}
public void ReplaceNodes(object content)
{
// First, it creates a snapshot copy, then removes the contents, and then adds the copy. http://msdn.microsoft.com/en-us/library/system.xml.linq.xcontainer.replacenodes.aspx
if (FirstNode == null)
{
Add(content);
return;
}
var l = new List <object> ();
foreach (var obj in XUtil.ExpandArray(content))
{
l.Add(obj);
}
RemoveNodes();
Add(l);
}
public void AddFirst(params object [] content)
{
if (content == null)
{
return;
}
if (first == null)
{
Add(content);
}
else
{
foreach (object o in XUtil.ExpandArray(content))
{
if (!OnAddingObject(o, false, first.PreviousNode, true))
{
first.AddBeforeSelf(o);
}
}
}
}
public void AddAfterSelf (object content)
{
if (Parent == null)
throw new InvalidOperationException ();
XNode here = this;
XNode orgNext = next;
foreach (object o in XUtil.ExpandArray (content)) {
if (Owner.OnAddingObject (o, true, here, false))
continue;
XNode n = XUtil.ToNode (o);
n = (XNode) XUtil.GetDetachedObject (n);
n.SetOwner (Parent);
n.previous = here;
here.next = n;
n.next = orgNext;
if (orgNext != null)
orgNext.previous = n;
else
Parent.LastNode = n;
here = n;
}
}
public void SetAttributeValue(XName name, object value)
{
XAttribute a = Attribute(name);
if (value == null)
{
if (a != null)
{
a.Remove();
}
}
else
{
if (a == null)
{
SetAttributeObject(new XAttribute(name, value));
}
else
{
a.Value = XUtil.ToString(value);
}
}
}
public void Add(object content)
{
if (content == null)
{
return;
}
foreach (object o in XUtil.ExpandArray(content))
{
if (o == null)
{
continue;
}
if (!OnAddingObject(o, false, last, false))
{
var node = XUtil.ToNode(o);
OnAddingObject(node);
AddNode(node);
OnAddedObject(node);
}
}
}
public void ReplaceAttributes(object content)
{
// it's waste of resource, but from bug #11298 it must save content
// snapshot first and then remove existing attributes.
ReplaceAttributes(XUtil.ExpandArray(content).ToArray());
}
