protected override void CollectBlockSpans(
RegionDirectiveTriviaSyntax regionDirective,
ref TemporaryArray <BlockSpan> spans,
BlockStructureOptionProvider optionProvider,
CancellationToken cancellationToken)
{
var match = regionDirective.GetMatchingDirective(cancellationToken);
if (match != null)
{
// Always auto-collapse regions for Metadata As Source. These generated files only have one region at
// the top of the file, which has content like the following:
//
// #region Assembly System.Runtime, Version=4.2.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// // C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Runtime.dll
// #endregion
//
// For other files, auto-collapse regions based on the user option.
var autoCollapse = optionProvider.IsMetadataAsSource || optionProvider.GetOption(
BlockStructureOptions.CollapseRegionsWhenCollapsingToDefinitions, LanguageNames.CSharp);
spans.Add(new BlockSpan(
isCollapsible: true,
textSpan: TextSpan.FromBounds(regionDirective.SpanStart, match.Span.End),
type: BlockTypes.PreprocessorRegion,
bannerText: GetBannerText(regionDirective),
autoCollapse: autoCollapse,
isDefaultCollapsed: !optionProvider.IsMetadataAsSource));
}
}
protected override void CollectBlockSpans(
SyntaxToken previousToken,
DocumentationCommentTriviaSyntax documentationComment,
ref TemporaryArray <BlockSpan> spans,
BlockStructureOptionProvider optionProvider,
CancellationToken cancellationToken)
{
var startPos = documentationComment.FullSpan.Start;
// The trailing newline is included in XmlDocCommentSyntax, so we need to strip it.
var endPos = documentationComment.SpanStart + documentationComment.ToString().TrimEnd().Length;
var span = TextSpan.FromBounds(startPos, endPos);
var bannerLength = optionProvider.GetOption(BlockStructureOptions.MaximumBannerLength, LanguageNames.CSharp);
var bannerText = CSharpSyntaxFacts.Instance.GetBannerText(
documentationComment, bannerLength, cancellationToken);
spans.Add(new BlockSpan(
isCollapsible: true,
textSpan: span,
type: BlockTypes.Comment,
bannerText: bannerText,
autoCollapse: true));
}
