private static SyntaxTrivia GetDocumentationCommentTrivia(ISymbol symbol, SemanticModel semanticModel, int position, CancellationToken cancellationToken = default(CancellationToken))
{
string xmlString = symbol.GetDocumentationCommentXml(cancellationToken: cancellationToken);
if (!string.IsNullOrEmpty(xmlString))
{
string innerXml = GetInnerXml(xmlString);
if (innerXml != null)
{
string text = AddSlashes(innerXml.TrimEnd());
SyntaxTriviaList triviaList = SyntaxFactory.ParseLeadingTrivia(text);
if (triviaList.Count == 1)
{
SyntaxTrivia trivia = triviaList.First();
if (trivia.IsKind(SyntaxKind.SingleLineDocumentationCommentTrivia) &&
trivia.HasStructure)
{
SyntaxNode structure = trivia.GetStructure();
if (structure.IsKind(SyntaxKind.SingleLineDocumentationCommentTrivia))
{
var commentTrivia = (DocumentationCommentTriviaSyntax)structure;
var rewriter = new DocumentationCommentTriviaRewriter(position, semanticModel);
// Remove T: from cref attribute and replace `1 with {T}
commentTrivia = (DocumentationCommentTriviaSyntax)rewriter.Visit(commentTrivia);
// Remove <filterpriority> element
commentTrivia = RemoveFilterPriorityElement(commentTrivia);
string commentTriviaText = commentTrivia.ToFullString();
commentTriviaText = Regex.Replace(commentTriviaText, @"^///\s*(\r?\n|$)", "", RegexOptions.Multiline);
triviaList = SyntaxFactory.ParseLeadingTrivia(commentTriviaText);
if (triviaList.Count == 1)
{
return(triviaList.First());
}
}
}
}
}
Debug.Assert(false, xmlString);
}
return(default(SyntaxTrivia));
}
public static SyntaxTrivia Parse(string xml, SemanticModel semanticModel, int position)
{
string triviaText = AddSlashes(xml.TrimEnd());
SyntaxTrivia trivia = ParseLeadingTrivia(triviaText).Single();
var commentTrivia = (DocumentationCommentTriviaSyntax)trivia.GetStructure();
var rewriter = new DocumentationCommentTriviaRewriter(position, semanticModel);
// Remove T: from cref attribute and replace `1 with {T}
commentTrivia = (DocumentationCommentTriviaSyntax)rewriter.VisitDocumentationCommentTrivia(commentTrivia);
// Remove <filterpriority> element
commentTrivia = RemoveFilterPriorityElement(commentTrivia);
string text = commentTrivia.ToFullString();
// Remove /// from empty lines
text = _commentedEmptyLineRegex.Replace(text, "");
return(ParseLeadingTrivia(text).Single());
}
private static SyntaxTrivia GetDocumentationCommentTrivia(ISymbol symbol, SemanticModel semanticModel, int position, CancellationToken cancellationToken = default(CancellationToken))
{
string xml = symbol.GetDocumentationCommentXml(cancellationToken: cancellationToken);
if (string.IsNullOrEmpty(xml))
{
return(default(SyntaxTrivia));
}
string innerXml = GetInnerXml(xml);
Debug.Assert(innerXml != null, xml);
if (innerXml == null)
{
return(default(SyntaxTrivia));
}
string innerXmlWithSlashes = AddSlashes(innerXml.TrimEnd());
SyntaxTriviaList leadingTrivia = ParseLeadingTrivia(innerXmlWithSlashes);
if (leadingTrivia.Count != 1)
{
return(default(SyntaxTrivia));
}
SyntaxTrivia trivia = leadingTrivia.First();
if (trivia.Kind() != SyntaxKind.SingleLineDocumentationCommentTrivia)
{
return(default(SyntaxTrivia));
}
if (!trivia.HasStructure)
{
return(default(SyntaxTrivia));
}
SyntaxNode structure = trivia.GetStructure();
if (structure.Kind() != SyntaxKind.SingleLineDocumentationCommentTrivia)
{
return(default(SyntaxTrivia));
}
var commentTrivia = (DocumentationCommentTriviaSyntax)structure;
var rewriter = new DocumentationCommentTriviaRewriter(position, semanticModel);
// Remove T: from cref attribute and replace `1 with {T}
commentTrivia = (DocumentationCommentTriviaSyntax)rewriter.VisitDocumentationCommentTrivia(commentTrivia);
// Remove <filterpriority> element
commentTrivia = RemoveFilterPriorityElement(commentTrivia);
string text = commentTrivia.ToFullString();
// Remove /// from empty lines
text = _commentedEmptyLineRegex.Replace(text, "");
leadingTrivia = ParseLeadingTrivia(text);
if (leadingTrivia.Count == 1)
{
return(leadingTrivia.First());
}
return(default(SyntaxTrivia));
}