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using System.Linq;
namespace Microsoft.Maui.Controls.Xaml
{
class RemoveDuplicateDesignNodes : IXamlNodeVisitor
{
public TreeVisitingMode VisitingMode => TreeVisitingMode.TopDown;
public bool StopOnDataTemplate => false;
public bool StopOnResourceDictionary => false;
public bool VisitNodeOnDataTemplate => true;
public bool SkipChildren(INode node, INode parentNode) => false;
public bool IsResourceDictionary(ElementNode node) => false;
public void Visit(ValueNode node, INode parentNode)
{
}
public void Visit(MarkupNode node, INode parentNode)
{
}
public void Visit(ElementNode node, INode parentNode)
{
if (node.Properties == null || node.Properties.Count == 0)
return;
var props = node.Properties.ToList();
for (var i = 0; i < props.Count; i++)
{
var key = props[i].Key;
if (key.NamespaceURI != XamlParser.MauiDesignUri)
continue;
var k = new XmlName(XamlParser.MauiUri, key.LocalName);
if (node.Properties.Remove(k))
continue;
if (node.NamespaceResolver.LookupPrefix(XamlParser.MauiUri) == "")
node.Properties.Remove(new XmlName("", k.LocalName));
}
}
public void Visit(RootNode node, INode parentNode)
{
Visit((ElementNode)node, parentNode);
}
public void Visit(ListNode node, INode parentNode)
{
}
}
}
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