/// <summary>
/// Returns a list of elements with the given tag name belonging to the given namespace.
/// The complete document is searched, including the root node.
/// </summary>
/// <param name="namespaceURI">The namespace URI of elements to look for.</param>
/// <param name="localName">Either the local name of elements to look for or the special value "*", which matches all elements.</param>
/// <returns>A NodeList of found elements in the order they appear in the tree.</returns>
internal HTMLCollection GetElementsByTagNameNS(String namespaceURI, String localName)
{
var result = new HTMLCollection();
GetElementsByTagNameNS(this, namespaceURI, localName, result);
return(result);
}
/// <summary>
/// Returns a list of the elements within the document (using depth-first pre-order traversal
/// of the document's nodes) that matches the selector.
/// </summary>
/// <param name="selector">A selector object.</param>
/// <returns>A HTMLCollection with all elements that match the selection.</returns>
internal HTMLCollection QuerySelectorAll(Selector selector)
{
var result = new HTMLCollection();
QuerySelectorAll(this, selector, result);
return(result);
}
/// <summary>
/// Returns a NodeList of elements with the given tag name. The complete document is searched, including the root node.
/// </summary>
/// <param name="tagName">A string representing the name of the elements. The special string "*" represents all elements.</param>
/// <returns>A NodeList of found elements in the order they appear in the tree.</returns>
internal HTMLCollection GetElementsByTagName(String tagName)
{
var result = new HTMLCollection();
GetElementsByTagName(this, tagName, result);
return(result);
}
/// <summary>
/// Returns a list of the elements within the document (using depth-first pre-order traversal
/// of the document's nodes) that match the specified group of selectors.
/// </summary>
/// <param name="selectors">A string containing one or more CSS selectors separated by commas.</param>
/// <returns>A HTMLCollection with all elements that match the selection.</returns>
internal HTMLCollection QuerySelectorAll(String selectors)
{
var sg = CssParser.ParseSelector(selectors);
var result = new HTMLCollection();
QuerySelectorAll(this, sg, result);
return(result);
}
/// <summary>
/// Returns a NodeList of elements with the given tag name. The complete document is searched, including the root node.
/// </summary>
/// <param name="tagName">A string representing the name of the elements. The special string "*" represents all elements.</param>
/// <returns>A NodeList of found elements in the order they appear in the tree.</returns>
internal HTMLCollection GetElementsByTagName(String tagName)
{
var result = new HTMLCollection();
var takeAll = tagName == "*";
GetElementsByTagName(this, tagName, result, takeAll);
return(result);
}
/// <summary>
/// Returns a set of elements which have all the given class names.
/// </summary>
/// <param name="classNames">A string representing the list of class names to match; class names are separated by whitespace.</param>
/// <returns>A collection of HTML elements.</returns>
internal HTMLCollection GetElementsByClassName(String classNames)
{
var result = new HTMLCollection();
var names = classNames.SplitSpaces();
if (names.Length > 0)
{
GetElementsByClassName(this, names, result);
}
return(result);
}
static void GetElementsByClassName(NodeList elements, string[] classNames, HTMLCollection result)
{
for (int i = 0; i < elements.Length; i++)
{
var element = elements[i] as HTMLElement;
if (element != null)
{
if (element.ClassList.Contains(classNames))
{
result.Add(element);
}
if (element.ChildElementCount != 0)
{
GetElementsByClassName(element.ChildNodes, classNames, result);
}
}
}
}
static void QuerySelectorAll(NodeList elements, Selector selector, HTMLCollection result)
{
for (int i = 0; i < elements.Length; i++)
{
var element = elements[i] as Element;
if (element != null)
{
if (selector.Match(element))
{
result.Add(element);
}
if (element.HasChildNodes)
{
QuerySelectorAll(element.ChildNodes, selector, result);
}
}
}
}
static void GetElementsByTagName(NodeList elements, String tagName, HTMLCollection result, Boolean takeAll)
{
for (int i = 0; i < elements.Length; i++)
{
var element = elements[i] as Element;
if (element != null)
{
if (takeAll || element.NodeName.Equals(tagName, StringComparison.OrdinalIgnoreCase))
{
result.Add(element);
}
if (element.ChildElementCount != 0)
{
GetElementsByTagName(element.ChildNodes, tagName, result, takeAll);
}
}
}
}
public virtual Object NamedItem(String id)
{
var result = new HTMLCollection();
for (int i = 0; i < _entries.Count; i++)
{
if (_entries[i].Id == id)
{
result.Add(_entries[i]);
}
}
if (result.Length == 1)
{
return(result[0]);
}
else if (result.Length != 0)
{
return(result);
}
for (int i = 0; i < _entries.Count; i++)
{
if (_entries[i].GetAttribute("name") == id)
{
result.Add(_entries[i]);
}
}
if (result.Length == 1)
{
return(result[0]);
}
else if (result.Length != 0)
{
return(result);
}
return(null);
}
static void GetElementsByTagNameNS(NodeList elements, string namespaceURI, string localName, HTMLCollection result)
{
var takeAll = localName == "*";
for (int i = 0; i < elements.Length; i++)
{
var element = elements[i] as Element;
if (element != null)
{
if (element.NamespaceURI == namespaceURI && (takeAll || element.LocalName.Equals(localName, StringComparison.OrdinalIgnoreCase)))
{
result.Add(element);
}
if (element.ChildElementCount != 0)
{
GetElementsByTagNameNS(element.ChildNodes, namespaceURI, localName, result);
}
}
}
}
