public static void GetImageArrayList(HtmlNodeCollection nodes, ref IList imgArrayList)
{
//ListItem li = null;
foreach (HtmlNode t in nodes)
{
if (t is HtmlElement)
{
if (IsProcessElement((HtmlElement)t))
{
foreach (HtmlAttribute arrt in ((HtmlElement)t).Attributes)
{
if (arrt.Value != null)
{
if (arrt.Value.ToLower().IndexOf(".jpg") > 0 || arrt.Value.ToLower().IndexOf(".gif") > 0)
{
imgArrayList.Add(arrt.Value);
}
}
}
}
}
if (t is HtmlElement)
{
GetImageArrayList(((HtmlElement)t).Nodes, ref imgArrayList);
}
}
}
/// <summary>
/// This constructs a new HTML element with the specified tag name.
/// </summary>
/// <param name="name">The name of this element</param>
public HtmlElement(string name)
{
mNodes = new HtmlNodeCollection( this );
mAttributes = new HtmlAttributeCollection(this);
mName = name;
mIsTerminated = false;
}
/// <summary>
/// This will search though this collection of nodes for all elements with the
/// specified name. If you want to search the subnodes recursively, you should
/// pass True as the parameter in searchChildren. This search is guaranteed to
/// return nodes in the order in which they are found in the document.
/// </summary>
/// <param name="name">The name of the element to find</param>
/// <param name="searchChildren">True if you want to search sub-nodes, False to
/// only search this collection.</param>
/// <returns>A collection of all the nodes that macth.</returns>
public HtmlNodeCollection FindByName(string name,bool searchChildren)
{
HtmlNodeCollection results = new HtmlNodeCollection(null);
foreach( HtmlNode node in base.List )
{
if( node is HtmlElement )
{
if( ( (HtmlElement)node ).Name.ToLower().Equals( name.ToLower() ) )
{
results.Add( node );
}
if( searchChildren )
{
foreach( HtmlNode matchedChild in ( (HtmlElement)node ).Nodes.FindByName( name , searchChildren ) )
{
results.Add( matchedChild );
}
}
}
}
return results;
}
public HtmlNodeCollection FindByAttributeNameValue(string attributeName,string attributeValue,bool searchChildren)
{
HtmlNodeCollection results = new HtmlNodeCollection(null);
foreach( HtmlNode node in base.List )
{
if( node is HtmlElement )
{
foreach( HtmlAttribute attribute in ((HtmlElement)node).Attributes )
{
if( attribute.Name.ToLower().Equals( attributeName.ToLower() ) )
{
if( attribute.Value.ToLower().Equals( attributeValue.ToLower() ) )
{
results.Add( node );
}
break;
}
}
if( searchChildren )
{
foreach( HtmlNode matchedChild in ( (HtmlElement)node ).Nodes.FindByAttributeNameValue( attributeName , attributeValue , searchChildren ) )
{
results.Add( matchedChild );
}
}
}
}
return results;
}
/// <summary>
/// This will create a new document object by parsing the HTML specified.
/// </summary>
/// <param name="html">The HTML to parse.</param>
internal HtmlDocument(string html,bool wantSpaces)
{
HtmlParser parser = new HtmlParser();
parser.RemoveEmptyElementText = !wantSpaces;
mNodes = parser.Parse( html );
}
