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author | Jason Smith <jason.smith@xamarin.com> | 2016-03-22 13:02:25 -0700 |
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committer | Jason Smith <jason.smith@xamarin.com> | 2016-03-22 16:13:41 -0700 |
commit | 17fdde66d94155fc62a034fa6658995bef6fd6e5 (patch) | |
tree | b5e5073a2a7b15cdbe826faa5c763e270a505729 /Xamarin.Forms.Xaml/XamlNodeVisitor.cs | |
download | xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.tar.gz xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.tar.bz2 xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.zip |
Initial import
Diffstat (limited to 'Xamarin.Forms.Xaml/XamlNodeVisitor.cs')
-rw-r--r-- | Xamarin.Forms.Xaml/XamlNodeVisitor.cs | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/Xamarin.Forms.Xaml/XamlNodeVisitor.cs b/Xamarin.Forms.Xaml/XamlNodeVisitor.cs new file mode 100644 index 00000000..e0b1db32 --- /dev/null +++ b/Xamarin.Forms.Xaml/XamlNodeVisitor.cs @@ -0,0 +1,62 @@ +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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