internal IReadOnlyList<Node> ParseFragment(string inputFragment, Element context, string baseUri, ParseErrorList errors)
{
// context may be null
state = HtmlTreeBuilderState.Initial;
InitialiseParse(inputFragment, baseUri, errors);
contextElement = context;
fragmentParsing = true;
Element root = null;
if (context != null)
{
if (context.OwnerDocument != null)
{
// quirks setup:
doc.QuirksMode = context.OwnerDocument.QuirksMode;
}
// initialise the tokeniser state:
string contextTag = context.TagName;
if (StringUtil.In(contextTag, "title", "textarea"))
{
tokeniser.Transition(TokeniserState.Rcdata);
}
else if (StringUtil.In(contextTag, "iframe", "noembed", "noframes", "style", "xmp"))
{
tokeniser.Transition(TokeniserState.Rawtext);
}
else if (contextTag.Equals("script"))
{
tokeniser.Transition(TokeniserState.ScriptData);
}
else if (contextTag.Equals(("noscript")))
{
tokeniser.Transition(TokeniserState.Data); // if scripting enabled, rawtext
}
else if (contextTag.Equals("plaintext"))
{
tokeniser.Transition(TokeniserState.Data);
}
else
{
tokeniser.Transition(TokeniserState.Data);
}
// default
root = new Element(Tag.ValueOf("html"), baseUri);
doc.AppendChild(root);
stack.Push(root);
ResetInsertionMode();
// setup form element to nearest form on context (up ancestor chain). ensures form controls are associated
// with form correctly
Elements contextChain = context.Parents;
contextChain.Insert(0, context);
foreach (Element parent in contextChain)
{
if (parent is FormElement)
{
formElement = (FormElement)parent;
break;
}
}
}
RunParser();
if (context != null)
{
return root.ChildNodes;
}
else
{
return doc.ChildNodes;
}
}
// tag searches
//private static final String[] TagsScriptStyle = new String[]{"script", "style"};
// the current state
// original / marked state
// the current head element
// the current form element
// fragment parse context -- could be null even if fragment parsing
// active (open) formatting elements
// chars in table to be shifted out
// if ok to go into frameset
// if next inserts should be fostered
// if parsing a fragment of html
internal override Document Parse(string input, string baseUri, ParseErrorList errors)
{
state = HtmlTreeBuilderState.Initial;
baseUriSetFromDoc = false;
return base.Parse(input, baseUri, errors);
}
internal void Error(HtmlTreeBuilderState state)
{
if (errors.CanAddError)
{
errors.Add(new ParseError(reader.Pos(), "Unexpected token [{0}] when in state [{1}]", currentToken.Type(), state.Name()));
}
}
internal void MarkInsertionMode()
{
originalState = state;
}
internal void Transition(HtmlTreeBuilderState state)
{
this.state = state;
}
internal bool Process(Token token, HtmlTreeBuilderState state)
{
currentToken = token;
return state.Process(token, this);
}