private void OnEndTagOpen(object sender, HtmlParserOpenTagEventArgs e)
{
// Current element must already be on the stack. It is not null
// only when we are processing start tag.
Debug.Assert(_currentElementRecord == null);
// e.Token contains NameToken describing element prefix:name range.
// </ precedes the range immediately. Note that token may contain invalid/empty
// range if element name is missing such as in </{ws} or </>. We will ignore
// malformed end tags.
if (e.NameToken != null && e.NameToken.QualifiedName.Length > 0)
{
// close at name.start-1 (skip < of the tag, end exclusive)
// subtract </
_currentElementRecord = CloseElements(e.NameToken.QualifiedName, e.NameToken.QualifiedName.Start - 2, new string[0]);
if (_currentElementRecord != null)
{
_currentElementRecord.Element.OpenEndTag(e.OpenAngleBracketPosition, e.NameToken, _tree.Text.Length);
}
else
{
var dummyElement = new ElementNode(_tree.RootNode, e.OpenAngleBracketPosition, e.NameToken, _tree.Text.Length);
_orphanedEndTagRecord = new ElementRecord(dummyElement);
_orphanedEndTagRecord.Element.OpenEndTag(e.OpenAngleBracketPosition, e.NameToken, _tree.Text.Length);
}
}
}
void OnStartTagOpen(object sender, HtmlParserOpenTagEventArgs e)
{
var nameToken = e.NameToken;
if (e.IsDocType)
{
parser_OnDoctypeTag(sender, e);
}
else
{
if (nameToken != null)
{
ITextProvider text = _parser.Text;
Log.AppendFormat("OnStartTagOpen: {0}: @[{1} ... {2}] '{3}'\r\n\tHasNamespace: {4} @[{5} ... {6}]\r\n\tHasName: {7} @[{8} ... {9}]\r\n\r\n",
TokenTypeAsString(e.NameToken.TokenType), e.NameToken.Start, e.NameToken.End, text.GetText(e.NameToken),
nameToken.HasPrefix().ToString(), nameToken.PrefixRange.Start, nameToken.PrefixRange.End,
nameToken.HasName().ToString(), nameToken.NameRange.Start, nameToken.NameRange.End);
}
else
{
Log.Append("OnStartTagOpen: null\r\n");
}
}
}
private void OnStartTagOpen(object sender, HtmlParserOpenTagEventArgs e)
{
Debug.Assert(_currentElementRecord == null);
// e.NameToken describes element prefix:name range.
// < precedes the range immediately.
// Artifacts are not allowed in element names.
string[] containerNames;
// Close any elements on the stack that must be closed either by implicit
// closure or by the fact that they are inside the element that is being closed.
if (e.NameToken != null && e.NameToken.IsNameWellFormed() &&
_tree.HtmlClosureProvider.IsImplicitlyClosed(_tree.Text, e.NameToken, out containerNames))
{
// close at name.start-1 (skip < of the tag, end exclusive)
CloseElements(e.NameToken.QualifiedName, e.NameToken.QualifiedName.Start - 1, containerNames);
}
// Parent is the element on top of the stack or the root node if stack is empty
var parentRecord = _elementStack.Count > 0 ? _elementStack.Peek() : _rootNodeRecord;
ElementNode element = new ElementNode(parentRecord.Element, e.OpenAngleBracketPosition, e.NameToken, _tree.Text.Length);
parentRecord.Children.Add(element);
_currentElementRecord = new ElementRecord(element);
}
