public override IList <IHtmlValidationError> ValidateElement(ElementNode element)
{
var results = new ValidationErrorCollection();
if (element.IsDocType())
{
return(results);
}
for (int i = 0; i < element.Attributes.Count; i++)
{
AttributeNode attr = element.Attributes[i];
if (attr.Name == "itemtype" && attr.HasValue() && !attr.Value.Contains("@"))
{
if (!Uri.IsWellFormedUriString(attr.Value, UriKind.Absolute))
{
results.AddAttributeError(element, string.Format(CultureInfo.CurrentCulture, "The value of {0} must be an absolute URI", attr.Name), HtmlValidationErrorLocation.AttributeValue, i);
break;
}
}
}
return(results);
}
private void WriteAttribute(AttributeNode at)
{
_sb.Append(' ');
string prefix = _tree.Text.GetText(at.PrefixRange);
string colon = (at.NameToken != null && at.NameToken.HasColon) ? _tree.Text.GetText(at.NameToken.ColonRange) : String.Empty;
string name = _tree.Text.GetText(at.NameRange);
_sb.Append(prefix);
_sb.Append(colon);
_sb.Append(name);
if (at.EqualsSignRange.Length > 0)
{
_sb.Append('=');
}
if (at.HasValue())
{
string value = _tree.Text.GetText(at.ValueRange);
_sb.Append(value);
}
}