/// <summary>
/// Determines whether a specified C# using directive can be removed.
/// </summary>
/// <param name="document">The document.</param>
/// <param name="usingDirective">The using directive.</param>
/// <returns><c>true</c> if the specified using directive can be removed; otherwise, <c>false</c>.</returns>
/// <remarks>As long as the using is represented as a T4 import directive in the root file, it can be removed.</remarks>
public bool CanRemoveUsing(IDocument document, IUsingDirective usingDirective)
{
TreeTextRange nameRange = GetNameRange(usingDirective);
if (!nameRange.IsValid())
{
return(false);
}
IFile containingFile = usingDirective.GetContainingFile();
if (containingFile == null)
{
return(false);
}
DocumentRange documentRange = containingFile.GetDocumentRange(nameRange);
return(documentRange.IsValid() && documentRange.Document == document);
// IReferenceName namespaceNode = usingDirective.GetUsedNamespaceNode();
// if (namespaceNode == null)
// return false;
//
// var directive = namespaceNode.GetT4ContainerFromCSharpNode<IT4Directive>();
// return directive != null && directive.GetContainingNode<IT4Include>() == null;
}
/// <summary>Determines whether a specified C# using directive can be removed.</summary>
/// <param name="document">The document.</param>
/// <param name="usingDirective">The using directive.</param>
/// <returns><c>true</c> if the specified using directive can be removed; otherwise, <c>false</c>.</returns>
/// <remarks>As long as the using is represented as a T4 import directive in the root file, it can be removed.</remarks>
public bool CanRemoveUsing(IDocument document, IUsingDirective usingDirective)
{
var nameRange = GetNameRange(usingDirective);
if (!nameRange.IsValid())
{
return(false);
}
var containingFile = usingDirective.GetContainingFile();
if (containingFile == null)
{
return(false);
}
var documentRange = containingFile.GetDocumentRange(nameRange);
return(documentRange.IsValid() && documentRange.Document == document);
}