public override bool Process(Token t, HtmlTreeBuilder tb)
{
switch (t.Type)
{
case Token.TokenType.Character:
Token.Character c = t.AsCharacter();
if (c.Data.ToString().Equals(_nullString))
{
tb.Error(this);
return false;
}
else
{
tb.Insert(c);
}
break;
case Token.TokenType.Comment:
tb.Insert(t.AsComment());
break;
case Token.TokenType.Doctype:
tb.Error(this);
return false;
case Token.TokenType.StartTag:
Token.StartTag start = t.AsStartTag();
string name = start.Name();
if (name.Equals("html"))
return tb.Process(start, InBody);
else if (name.Equals("option"))
{
tb.Process(new Token.EndTag("option"));
tb.Insert(start);
}
else if (name.Equals("optgroup"))
{
if (tb.CurrentElement.NodeName.Equals("option"))
{
tb.Process(new Token.EndTag("option"));
}
else if (tb.CurrentElement.NodeName.Equals("optgroup"))
{
tb.Process(new Token.EndTag("optgroup"));
}
tb.Insert(start);
}
else if (name.Equals("select"))
{
tb.Error(this);
return tb.Process(new Token.EndTag("select"));
}
else if (StringUtil.In(name, "input", "keygen", "textarea"))
{
tb.Error(this);
if (!tb.InSelectScope("select"))
{
return false; // frag
}
tb.Process(new Token.EndTag("select"));
return tb.Process(start);
}
else if (name.Equals("script"))
{
return tb.Process(t, InHead);
}
else
{
return AnythingElse(t, tb);
}
break;
case Token.TokenType.EndTag:
Token.EndTag end = t.AsEndTag();
name = end.Name();
if (name.Equals("optgroup"))
{
if (tb.CurrentElement.NodeName.Equals("option") && tb.AboveOnStack(tb.CurrentElement) != null && tb.AboveOnStack(tb.CurrentElement).NodeName.Equals("optgroup"))
{
tb.Process(new Token.EndTag("option"));
}
if (tb.CurrentElement.NodeName.Equals("optgroup"))
{
tb.Pop();
}
else
{
tb.Error(this);
}
}
else if (name.Equals("option"))
{
if (tb.CurrentElement.NodeName.Equals("option"))
{
tb.Pop();
}
else
{
tb.Error(this);
}
}
else if (name.Equals("select"))
{
if (!tb.InSelectScope(name))
{
tb.Error(this);
return false;
}
else
{
tb.PopStackToClose(name);
tb.ResetInsertionMode();
}
}
else
{
return AnythingElse(t, tb);
}
break;
case Token.TokenType.EOF:
if (!tb.CurrentElement.NodeName.Equals("html"))
{
tb.Error(this);
}
break;
default:
return AnythingElse(t, tb);
}
return true;
}
public override bool Process(Token t, HtmlTreeBuilder tb)
{
if (t.IsCharacter())
{
tb.NewPendingTableCharacters();
tb.MarkInsertionMode();
tb.Transition(InTableText);
return tb.Process(t);
}
else if (t.IsComment())
{
tb.Insert(t.AsComment());
return true;
}
else if (t.IsDoctype())
{
tb.Error(this);
return false;
}
else if (t.IsStartTag())
{
Token.StartTag startTag = t.AsStartTag();
string name = startTag.Name();
if (name.Equals("caption"))
{
tb.ClearStackToTableContext();
tb.InsertMarkerToFormattingElements();
tb.Insert(startTag);
tb.Transition(InCaption);
}
else if (name.Equals("colgroup"))
{
tb.ClearStackToTableContext();
tb.Insert(startTag);
tb.Transition(InColumnGroup);
}
else if (name.Equals("col"))
{
tb.Process(new Token.StartTag("colgroup"));
return tb.Process(t);
}
else if (StringUtil.In(name, "tbody", "tfoot", "thead"))
{
tb.ClearStackToTableContext();
tb.Insert(startTag);
tb.Transition(InTableBody);
}
else if (StringUtil.In(name, "td", "th", "tr"))
{
tb.Process(new Token.StartTag("tbody"));
return tb.Process(t);
}
else if (name.Equals("table"))
{
tb.Error(this);
bool processed = tb.Process(new Token.EndTag("table"));
if (processed) // only ignored if in fragment
{
return tb.Process(t);
}
}
else if (StringUtil.In(name, "style", "script"))
{
return tb.Process(t, InHead);
}
else if (name.Equals("input"))
{
if (!startTag.Attributes["type"].Equals("hidden", StringComparison.InvariantCultureIgnoreCase))
{
return AnythingElse(t, tb);
}
else
{
tb.InsertEmpty(startTag);
}
}
else if (name.Equals("form"))
{
tb.Error(this);
if (tb.FormElement != null)
return false;
else
{
Element form = tb.InsertEmpty(startTag);
tb.FormElement = form;
}
}
else
{
return AnythingElse(t, tb);
}
}
else if (t.IsEndTag())
{
Token.EndTag endTag = t.AsEndTag();
string name = endTag.Name();
if (name.Equals("table"))
{
if (!tb.InTableScope(name))
{
tb.Error(this);
return false;
}
else
{
tb.PopStackToClose("table");
}
tb.ResetInsertionMode();
}
else if (StringUtil.In(name,
"body", "caption", "col", "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr"))
{
tb.Error(this);
return false;
}
else
{
return AnythingElse(t, tb);
}
}
else if (t.IsEOF())
{
if (tb.CurrentElement.NodeName.Equals("html"))
tb.Error(this);
return true; // stops parsing
}
return AnythingElse(t, tb);
}