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using System;
namespace Xamarin.Forms.Xaml
{
internal interface IXamlNodeVisitor
{
bool VisitChildrenFirst { get; }
bool StopOnDataTemplate { get; }
bool StopOnResourceDictionary { get; }
void Visit(ValueNode node, INode parentNode);
void Visit(MarkupNode node, INode parentNode);
void Visit(ElementNode node, INode parentNode);
void Visit(RootNode node, INode parentNode);
void Visit(ListNode node, INode parentNode);
}
internal class XamlNodeVisitor : IXamlNodeVisitor
{
readonly Action<INode, INode> action;
public XamlNodeVisitor(Action<INode, INode> action, bool visitChildrenFirst = false, bool stopOnDataTemplate = false)
{
this.action = action;
VisitChildrenFirst = visitChildrenFirst;
StopOnDataTemplate = stopOnDataTemplate;
}
public bool VisitChildrenFirst { get; }
public bool StopOnDataTemplate { get; }
public bool StopOnResourceDictionary { get; private set; }
public void Visit(ValueNode node, INode parentNode)
{
action(node, parentNode);
}
public void Visit(MarkupNode node, INode parentNode)
{
action(node, parentNode);
}
public void Visit(ElementNode node, INode parentNode)
{
action(node, parentNode);
}
public void Visit(RootNode node, INode parentNode)
{
action(node, parentNode);
}
public void Visit(ListNode node, INode parentNode)
{
action(node, parentNode);
}
}
}
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