/// <summary>
/// Get the descendants elements of the element with a selector
/// </summary>
public static IEnumerable <HElement> Find(this HContainer element, String selector)
{
if (element != null)
{
return(element.Descendants(selector));
}
return(Enumerable.Empty <HElement>());
}
/// <summary>
/// Get the children elements of the element with a selector
/// </summary>
public static IEnumerable <HElement> Children(this HContainer element, String selector)
{
if (element != null)
{
return(element.Elements(selector));
}
return(Enumerable.Empty <HElement>());
}
/// <summary>
/// Reduce the set of matched elements
/// </summary>
public static IEnumerable <HElement> Filter(this HContainer element, Func <int, HElement, bool> selection)
{
if (element != null)
{
return(element.Descendants().Filter(selection));
}
return(Enumerable.Empty <HElement>());
}
/// <summary>
/// Remove elements from the set of elements
/// </summary>
public static IEnumerable <HElement> Not(this HContainer element, IEnumerable <HElement> selection)
{
if (element != null)
{
return(element.Descendants().Not(selection));
}
return(Enumerable.Empty <HElement>());
}
/// <summary>
/// Enumerate all parents
/// </summary>
protected IEnumerable <HElement> GetParents(String name)
{
HContainer p = parent;
while (p != null)
{
HElement e = p as HElement;
if (e != null && (name == null || String.Equals(e.Name, name, StringComparison.OrdinalIgnoreCase)))
{
yield return(e);
}
p = p.parent;
}
}
internal HContainer(HContainer other)
{
if (other.content is string)
{
this.content = other.content;
}
else
{
HNode n = (HNode)other.content;
if (n != null)
{
do
{
n = n.nextNode;
AppendNode(n.CloneNode());
} while (n != other.content);
}
}
}