/// <inheritdoc />
/// <remarks>Does nothing if user provides an <c>href</c> attribute.</remarks>
public override void Process(TagHelperContext context, TagHelperOutput output)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
if (output.Attributes.ContainsName(Href))
{
if (Content != null || ContentId != null)
{
throw new InvalidOperationException("You can't supply a href and content/contentid");
}
}
else
{
if (Content != null && ContentId != null)
{
throw new InvalidOperationException("You can't supply both content and contentId");
}
if (Content != null)
{
output.Attributes.Add(Href, Content.GetContentFullUrlSlug());
}
else
{
output.Attributes.Add(Href, ContentId.GetContentFullUrlSlug());
}
var routeValueDictionary = (RouteValueDictionary)null;
if (_routeValues != null && _routeValues.Count > 0)
{
routeValueDictionary = new RouteValueDictionary(_routeValues);
}
var tagBuilder = Generator.GenerateActionLink(ViewContext, string.Empty, null, null, null, null, null, routeValueDictionary, null);
output.MergeAttributes(tagBuilder);
}
}