/// <summary>
/// Adds a attribute expression, that define what attributes can not be removed, to the list
/// </summary>
/// <param name="attributeExpression">Attribute expression, that define what attributes can not be removed</param>
public void AddPreservableAttribute(HtmlAttributeExpression attributeExpression)
{
if (!_preservableAttributes.Contains(attributeExpression))
{
_preservableAttributes.Add(attributeExpression);
}
}
/// <summary>
/// Adds a string representation of attribute expression, that define what attributes can not be
/// removed, to the list
/// </summary>
/// <param name="attributeExpressionString">String representation of attribute expression, that
/// define what attributes can not be removed</param>
/// <returns>true - valid expression; false - invalid expression</returns>
public bool AddPreservableAttribute(string attributeExpressionString)
{
HtmlAttributeExpression attributeExpression;
if (HtmlAttributeExpression.TryParse(attributeExpressionString, out attributeExpression))
{
AddPreservableAttribute(attributeExpression);
return(true);
}
return(false);
}