private CompilationUnitSyntax UpdateUsings(CompilationUnitSyntax compilationUnit)
{
var namespaces = compilationUnit.Members.OfType<NamespaceDeclarationSyntax>().ToList();
var usings = compilationUnit.Usings;
usings = usings
.AddRange(extraUsingDirectives)
.AddRange(namespaces.SelectMany(c => GetNamespacesAndParents(c.Name.ToString()).Select(d => SyntaxFactory.UsingDirective(SyntaxFactory.ParseName(d)))))
.Sort();
usings = usings.Replace(usings[0], usings[0].WithLeadingTrivia(SyntaxFactory.Trivia(SyntaxFactory.PragmaWarningDirectiveTrivia(SyntaxFactory.Token(SyntaxKind.DisableKeyword), true))));
return compilationUnit.WithUsings(usings);
}
public static CompilationUnitSyntax AddUsingStatements(this CompilationUnitSyntax compilationUnit, string[] usingStatements)
{
if (compilationUnit == null)
{
throw new ArgumentNullException(nameof(compilationUnit));
}
if (usingStatements == null)
{
throw new ArgumentNullException(nameof(usingStatements));
}
if (usingStatements.Length == 0)
{
return(compilationUnit);
}
compilationUnit = compilationUnit.AddUsings(
usingStatements
.Select(s => SyntaxFactory.UsingDirective(SyntaxFactory.ParseName(s)))
.ToArray());
return(compilationUnit.WithUsings(compilationUnit.Usings.Sort()));
}
public override SyntaxNode VisitCompilationUnit(Microsoft.CodeAnalysis.CSharp.Syntax.CompilationUnitSyntax node)
=> base.VisitCompilationUnit(node.WithUsings(
Microsoft.CodeAnalysis.CSharp.SyntaxFactory.List <UsingDirectiveSyntax>()));