public static Task <Document> RefactorAsync(
Document document,
EndRegionDirectiveTriviaSyntax endRegionDirective,
SyntaxTrivia trivia,
CancellationToken cancellationToken)
{
SyntaxToken endRegionKeyword = endRegionDirective.EndRegionKeyword;
EndRegionDirectiveTriviaSyntax newNode = endRegionDirective;
if (trivia.IsKind(SyntaxKind.PreprocessingMessageTrivia))
{
SyntaxTriviaList trailingTrivia = endRegionKeyword.TrailingTrivia;
if (trailingTrivia.Any())
{
if (endRegionDirective.HasPreprocessingMessageTrivia())
{
newNode = newNode.WithEndOfDirectiveToken(newNode.EndOfDirectiveToken.WithoutLeadingTrivia());
}
newNode = newNode.WithEndRegionKeyword(endRegionKeyword.WithTrailingTrivia(SyntaxFactory.Space, trivia));
}
else
{
newNode = endRegionDirective.Update(
endRegionDirective.HashToken,
endRegionKeyword.WithTrailingTrivia(SyntaxFactory.Space),
endRegionDirective.EndOfDirectiveToken.WithLeadingTrivia(trivia),
endRegionDirective.IsActive);
}
}
else
{
newNode = endRegionDirective.WithEndOfDirectiveToken(endRegionDirective.EndOfDirectiveToken.WithoutLeadingTrivia());
}
return(document.ReplaceNodeAsync(endRegionDirective, newNode, cancellationToken));
}
