/// <summary>
/// Creates a copy of this HTML node.
/// </summary>
/// <returns>The node's copy.</returns>
public override object Clone()
{
HtmlDocumentType result = new HtmlDocumentType(_major, _minor, _dtd);
result.SetParentNode(ParentNode);
result.SetDocument(Document);
return(result);
}
/// <summary>
/// Loads and parses an HTML file from a <see cref="HtmlReader"/>.
/// </summary>
/// <param name="reader">The <see cref="HtmlReader"/> to read HTML
/// text from.</param>
/// <remarks>
/// <para>This method is the one that actually loads and parses
/// the HTML text.</para>
/// <para>The caller is responsible for disposing
/// the <paramref name="reader"/> if required.</para>
/// </remarks>
public void Load(HtmlReader reader)
{
HtmlNode toAdd;
Stack nodeStack = new Stack();
nodeStack.Push(this);
while (reader.Read())
{
toAdd = null;
switch (reader.NodeType)
{
case HtmlNodeType.Comment:
toAdd = new HtmlComment(reader.Value);
break;
case HtmlNodeType.DocumentType:
toAdd = new HtmlDocumentType();
break;
case HtmlNodeType.Tag:
{
HtmlElement element = new HtmlElement(reader.Name);
if (Tag.IsAtomic(reader.Name))
{
toAdd = element;
}
else
{
nodeStack.Push(element);
}
break;
}
case HtmlNodeType.EndTag:
{
HtmlElement element = (HtmlElement)nodeStack.Pop();
if (0 != nodeStack.Count)
{
toAdd = element;
}
// And if the stack is empty we, probably, reached
// the end of the document
break;
}
case HtmlNodeType.ClosedTag:
toAdd = new HtmlElement(reader.Name);
break;
case HtmlNodeType.Text:
toAdd = new HtmlText(reader.Value);
break;
case HtmlNodeType.Whitespace:
toAdd = new HtmlWhitespace(reader.Value);
break;
}
if (null != toAdd)
{
((HtmlNode)nodeStack.Peek()).ChildNodes.Add(toAdd);
}
}
}