/// <summary>
/// Visit an <see cref="XmlEmptyElementSyntax"/>.
/// </summary>
/// <param name="emptyElement">
/// The <see cref="XmlEmptyElementSyntax"/>.
/// </param>
/// <returns>
/// The <see cref="XmlEmptyElementSyntax"/> (unchanged).
/// </returns>
public override SyntaxNode VisitXmlEmptyElement(XmlEmptyElementSyntax emptyElement)
{
Range elementRange = emptyElement.Span.ToNative(_textPositions);
Range nameRange = emptyElement.NameNode?.Span.ToNative(_textPositions) ?? elementRange;
Range attributesRange = emptyElement.AttributesNode?.FullSpan.ToNative(_textPositions) ?? elementRange;
XSElement xsElement;
if (String.IsNullOrWhiteSpace(emptyElement.Name))
{
xsElement = new XSInvalidElement(emptyElement, elementRange, nameRange, attributesRange, parent: CurrentElement, hasContent: false);
}
else
{
xsElement = new XSEmptyElement(emptyElement, elementRange, nameRange, attributesRange, parent: CurrentElement);
}
if (xsElement.ParentElement is XSElementWithContent parentElement)
{
parentElement.Content = parentElement.Content.Add(xsElement);
}
PushElement(xsElement);
foreach (XmlAttributeSyntax attribute in emptyElement.AsSyntaxElement.Attributes)
{
Visit(attribute);
}
PopElement();
return(emptyElement);
}
/// <summary>
/// Does the location represent an empty element?
/// </summary>
/// <param name="location">
/// The XML location.
/// </param>
/// <param name="emptyElement">
/// Receives the <see cref="XSEmptyElement"/>.
/// </param>
/// <returns>
/// <c>true</c>, if the location represents an empty element; otherwise, <c>false</c>.
/// </returns>
public static bool IsEmptyElement(this XmlLocation location, out XSEmptyElement emptyElement)
{
if (location == null)
{
throw new ArgumentNullException(nameof(location));
}
if (!location.IsEmptyElement())
{
emptyElement = null;
return(false);
}
else
{
emptyElement = (XSEmptyElement)location.Node;
return(true);
}
}
