public SyntaxRemover(
SyntaxNode[] nodesToRemove,
SyntaxRemoveOptions options)
: base(nodesToRemove.Any(n => n.IsPartOfStructuredTrivia()))
{
_nodesToRemove = new HashSet <SyntaxNode>(nodesToRemove);
_options = options;
_searchSpan = ComputeTotalSpan(nodesToRemove);
_residualTrivia = SyntaxTriviaListBuilder.Create();
}
public void TestStructuredTrivia()
{
var spaceTrivia = SyntaxTriviaListBuilder.Create().Add(SyntaxFactory.Whitespace(" ")).ToList();
var emptyTrivia = SyntaxTriviaListBuilder.Create().ToList();
var name = "goo";
var xmlStartElement = SyntaxFactory.XmlElementStartTag(
SyntaxFactory.Token(spaceTrivia, SyntaxKind.LessThanToken, default(SyntaxTriviaList)),
SyntaxFactory.XmlName(null,
SyntaxFactory.Identifier(name)),
default(SyntaxList <XmlAttributeSyntax>),
SyntaxFactory.Token(default(SyntaxTriviaList), SyntaxKind.GreaterThanToken, spaceTrivia));
var xmlEndElement = SyntaxFactory.XmlElementEndTag(
SyntaxFactory.Token(SyntaxKind.LessThanSlashToken),
SyntaxFactory.XmlName(null,
SyntaxFactory.Identifier(name)),
SyntaxFactory.Token(default(SyntaxTriviaList), SyntaxKind.GreaterThanToken, spaceTrivia));
var xmlElement = SyntaxFactory.XmlElement(xmlStartElement, default(SyntaxList <XmlNodeSyntax>), xmlEndElement);
Assert.Equal(" <goo> </goo> ", xmlElement.ToFullString());
Assert.Equal("<goo> </goo>", xmlElement.ToString());
var docComment = SyntaxFactory.DocumentationCommentTrivia(SyntaxKind.SingleLineDocumentationCommentTrivia).WithContent(new SyntaxList <XmlNodeSyntax>(xmlElement));
Assert.Equal(" <goo> </goo> ", docComment.ToFullString());
// Assert.Equal("<goo> </goo>", docComment.GetText());
var child = (XmlElementSyntax)docComment.ChildNodesAndTokens()[0];
Assert.Equal(" <goo> </goo> ", child.ToFullString());
Assert.Equal("<goo> </goo>", child.ToString());
Assert.Equal(" <goo> ", child.StartTag.ToFullString());
Assert.Equal("<goo>", child.StartTag.ToString());
var sTrivia = SyntaxFactory.Trivia(docComment);
Assert.NotEqual(default(SyntaxTrivia), sTrivia);
var ident = SyntaxFactory.Identifier(SyntaxTriviaList.Create(sTrivia), "banana", spaceTrivia);
Assert.Equal(" <goo> </goo> banana ", ident.ToFullString());
Assert.Equal("banana", ident.ToString());
Assert.Equal(" <goo> </goo> ", ident.LeadingTrivia[0].ToFullString());
// Assert.Equal("<goo> </goo>", ident.LeadingTrivia[0].GetText());
var identExpr = SyntaxFactory.IdentifierName(ident);
// make sure FindLeaf digs into the structured trivia.
var result = identExpr.FindToken(3, true);
Assert.Equal(SyntaxKind.IdentifierToken, result.Kind());
Assert.Equal("goo", result.ToString());
var trResult = identExpr.FindTrivia(6, SyntaxTrivia.Any);
Assert.Equal(SyntaxKind.WhitespaceTrivia, trResult.Kind());
Assert.Equal(" ", trResult.ToString());
var foundDocComment = result.Parent.Parent.Parent.Parent;
Assert.Null(foundDocComment.Parent);
var identTrivia = identExpr.GetLeadingTrivia()[0];
var foundTrivia = ((DocumentationCommentTriviaSyntax)foundDocComment).ParentTrivia;
Assert.Equal(identTrivia, foundTrivia);
// make sure FindLeafNodesOverlappingWithSpan does not dig into the structured trivia.
var resultList = identExpr.DescendantTokens(t => t.FullSpan.OverlapsWith(new TextSpan(3, 18)));
Assert.Equal(1, resultList.Count());
}
/// <summary>
/// Creates a list of trivia.
/// </summary>
/// <param name="trivias">A sequence of trivia.</param>
public SyntaxTriviaList(IEnumerable <SyntaxTrivia> trivias)
: this(default, SyntaxTriviaListBuilder.Create(trivias).Node, 0, 0)
{
}
