/// <summary>Called when the visitor visits a NamespaceDeclarationSyntax node.</summary>
public override SyntaxNode VisitNamespaceDeclaration(NamespaceDeclarationSyntax node)
{
var u = _namespaces.Select(each => SyntaxFactory.UsingDirective(SyntaxFactory.ParseName($" {each}"))
.WithLeadingTrivia(_leadingTrivia)
.WithTrailingTrivia(_trailingTrivia)
).ToArray();
node = node.AddUsings(u);
node = node.WithUsings(Sort(node.Usings));
return base.VisitNamespaceDeclaration(node);
}
private static NamespaceDeclarationSyntax AddUsing(NamespaceDeclarationSyntax nspaceSyntax, UsingDirectiveSyntax newUsing)
{
if (nspaceSyntax.Usings.Count > 0)
{
var lastUsing = nspaceSyntax.Usings.Last();
newUsing = newUsing
.WithLeadingTrivia(lastUsing.GetLeadingTrivia())
.WithTrailingTrivia(lastUsing.GetTrailingTrivia());
return nspaceSyntax.WithUsings(nspaceSyntax.Usings.Add(newUsing));
}
return nspaceSyntax.WithUsings(nspaceSyntax.Usings.Add(newUsing.NormalizeWhitespace()));
}
private static NamespaceDeclarationSyntax AmendUsings(NamespaceDeclarationSyntax nameSpace, SyntaxList<UsingDirectiveSyntax> usings)
{
var last = nameSpace.Name.ToString().Right(c => c != '.');
foreach (var item in usings)
{
var name = item.Name.ToString();
var first = name.Left(c => c != '.');
if (first == last)
{
usings = usings.Remove(item);
usings = usings.Add(SyntaxFactory.UsingDirective(SyntaxFactory.ParseName("global::" + name)));
}
}
return nameSpace.WithUsings(usings);
}
