internal Element Insert(Token.StartTag startTag)
{
Tag tag = Tag.ValueOf(startTag.Name());
// todo: wonder if for xml parsing, should treat all tags as unknown? because it's not html.
Element el = new Element(tag, baseUri, startTag.attributes);
InsertNode(el);
if (startTag.IsSelfClosing())
{
tokeniser.AcknowledgeSelfClosingFlag();
if (!tag.IsKnown)
{
// unknown tag, remember this is self closing for output. see above.
tag.SetSelfClosing();
}
}
else
{
stack.AddLast(el);
}
return el;
}
/// <summary>
/// If the stack contains an element with this tag's name, pop up the stack to remove the first occurrence.
/// </summary>
/// <remarks>
/// If not found, skips.
/// </remarks>
/// <param name="endTag"></param>
private void PopStackToClose(Token.EndTag endTag)
{
string elName = endTag.Name();
Element firstFound = null;
var it = stack.GetDescendingEnumerator();
while (it.MoveNext())
{
Element next = it.Current;
if (next.NodeName.Equals(elName))
{
firstFound = next;
break;
}
}
if (firstFound == null)
{
// not found, skip
return;
}
it = stack.GetDescendingEnumerator();
while (it.MoveNext())
{
Element next = it.Current;
if (next == firstFound)
{
it.Remove();
break;
}
else
{
it.Remove();
}
}
}
internal Element InsertEmpty(Token.StartTag startTag)
{
Tag tag = Tag.ValueOf(startTag.Name());
Element el = new Element(tag, baseUri, startTag.attributes);
InsertNode(el);
if (startTag.IsSelfClosing())
{
if (tag.IsKnown)
{
if (tag.IsSelfClosing)
{
tokeniser.AcknowledgeSelfClosingFlag();
}
}
else
{
// if not acked, promulagates error
// unknown tag, remember this is self closing for output
tag.SetSelfClosing();
tokeniser.AcknowledgeSelfClosingFlag();
}
}
// not an distinct error
return el;
}
internal FormElement InsertForm(Token.StartTag startTag, bool onStack)
{
Tag tag = Tag.ValueOf(startTag.Name());
FormElement el = new FormElement(tag, baseUri, startTag.attributes);
SetFormElement(el);
InsertNode(el);
if (onStack)
{
stack.AddLast(el);
}
return el;
}
internal Element Insert(Token.StartTag startTag)
{
// handle empty unknown tags
// when the spec expects an empty tag, will directly hit insertEmpty, so won't generate this fake end tag.
if (startTag.IsSelfClosing())
{
Element el = InsertEmpty(startTag);
stack.AddLast(el);
tokeniser.Transition(TokeniserState.Data);
// handles <script />, otherwise needs breakout steps from script data
tokeniser.Emit(new Token.EndTag(el.TagName));
// ensure we get out of whatever state we are in. emitted for yielded processing
return el;
}
Tag tag = Tag.ValueOf(startTag.Name());
Element el_1 = new Element(tag, baseUri, startTag.attributes);
Insert(el_1);
return el_1;
}
