private Document MoveTypeToFile(Document document, BaseTypeDeclarationSyntax typeDeclaration, string newFileName)
{
var nameSpaces = typeDeclaration.GetAncestorsOrThis<NamespaceDeclarationSyntax>().Reverse();
var root = typeDeclaration.GetAncestorOrThis<CompilationUnitSyntax>();
//agregate -> create namespaces from bottom to top
var rootNameSpace = nameSpaces.Aggregate(typeDeclaration, (MemberDeclarationSyntax curentBody, NamespaceDeclarationSyntax curentNamespace) =>
{
var newBody = new SyntaxList<MemberDeclarationSyntax>().Add(curentBody);
return SyntaxFactory.NamespaceDeclaration(curentNamespace.Name, curentNamespace.Externs, curentNamespace.Usings, newBody)
.WithLeadingTrivia(curentNamespace.GetLeadingTrivia())
.WithTrailingTrivia(curentNamespace.GetTrailingTrivia());
});
var newRoot = SyntaxFactory.CompilationUnit(root.Externs, root.Usings, root.AttributeLists, new SyntaxList<MemberDeclarationSyntax>().Add(rootNameSpace));
var newDoc = document.Project.AddDocument(newFileName, newRoot, document.Folders);
return newDoc;
}
