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Fix NullReferenceException when dealing with Razor #3012

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merged 1 commit into from
Sep 11, 2022
Merged

Fix NullReferenceException when dealing with Razor #3012

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19 changes: 18 additions & 1 deletion Src/VimMac/VimHost.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,24 @@ private Document DocumentFromTextView(ITextView textView)

private Document DocumentFromTextBuffer(ITextBuffer textBuffer)
{
return IdeApp.Workbench.Documents.FirstOrDefault(doc => doc.TextBuffer == textBuffer);
// If this is an IProjectionBuffer then we need to dig into the actual ITextBuffer values
// which make it up.
foreach (var sourceTextBuffer in TextBufferUtil.GetSourceBuffersRecursive(textBuffer))
{
// The inert buffer doesn't need to be considered. It's used as a fake buffer by web applications
// in order to render projected content
if (sourceTextBuffer.ContentType == _textBufferFactoryService.InertContentType)
{
continue;
}

var doc = IdeApp.Workbench.Documents.FirstOrDefault(doc => doc.TextBuffer == sourceTextBuffer);
if(doc != null)
{
return doc;
}
}
return null;
}

private static NSSound GetBeepSound()
Expand Down