private SyntaxNode AddDescription(SyntaxNode rootNode, MemberDeclarationSyntax memberDeclaration,
string description, CancellationToken cancellation)
{
cancellation.ThrowIfCancellationRequested();
var summaryTag = memberDeclaration
.GetLeadingTrivia()
.Select(t => t.GetStructure())
.OfType <DocumentationCommentTriviaSyntax>()
.SelectMany(d => d.ChildNodes())
.OfType <XmlElementSyntax>()
.First(n => XmlCommentSummaryTag.Equals(n.StartTag?.Name?.ToString(), StringComparison.Ordinal));
var xmlDescription = new[]
{
XmlText(
XmlTextNewLine(Environment.NewLine, true)
),
XmlText(
XmlTextNewLine(description + Environment.NewLine, true)
)
};
var newContent = new SyntaxList <XmlNodeSyntax>(xmlDescription);
var newSummaryTag = summaryTag
.WithContent(newContent)
.WithAdditionalAnnotations(Formatter.Annotation);
return(rootNode.ReplaceNode(summaryTag, newSummaryTag));
}
private XmlElementSyntax GetSummaryTag(DocumentationCommentTriviaSyntax xmlComment) => xmlComment .ChildNodes() .OfType <XmlElementSyntax>() .FirstOrDefault(n => XmlCommentSummaryTag.Equals(n.StartTag?.Name?.ToString(), StringComparison.Ordinal));