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' Licensed to the .NET Foundation under one or more agreements.
' The .NET Foundation licenses this file to you under the MIT license.
' See the LICENSE file in the project root for more information.
Imports System.Threading
Imports Microsoft.CodeAnalysis.PooledObjects
Imports Microsoft.CodeAnalysis.Shared.Collections
Imports Microsoft.CodeAnalysis.Structure
Imports Microsoft.CodeAnalysis.VisualBasic.Syntax
Namespace Microsoft.CodeAnalysis.VisualBasic.Structure
Friend Class XmlExpressionStructureProvider
Inherits AbstractSyntaxNodeStructureProvider(Of XmlNodeSyntax)
Protected Overrides Sub CollectBlockSpans(previousToken As SyntaxToken,
xmlExpression As XmlNodeSyntax,
spans As ArrayBuilder(Of BlockSpan),
options As BlockStructureOptions,
cancellationToken As CancellationToken)
' If this XML expression is inside structured trivia (i.e. an XML doc comment), don't outline.
If xmlExpression.HasAncestor(Of DocumentationCommentTriviaSyntax)() Then
Return
End If
Dim span = xmlExpression.Span
Dim syntaxTree = xmlExpression.SyntaxTree
Dim line = syntaxTree.GetText(cancellationToken).Lines.GetLineFromPosition(span.Start)
Dim lineText = line.ToString().Substring(span.Start - line.Start)
Dim bannerText = lineText & SpaceEllipsis
spans.AddIfNotNull(CreateBlockSpan(
span, span, bannerText, autoCollapse:=False,
type:=BlockTypes.Expression,
isCollapsible:=True, isDefaultCollapsed:=False))
End Sub
End Class
End Namespace
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