public override BaseInsertionModeState ProcessToken(HtmlTokenizer tokenizer, ITokenQueue queue, BaseToken token, IDocument doc)
{
if (IsWhitespace(token))
{
InsertCharacter((CharacterToken)token, doc);
return this;
}
CommentToken commentToken = token as CommentToken;
if (commentToken != null)
{
InsertComment(commentToken, doc);
return this;
}
if (token is DocTypeToken)
{
ReportParseError();
return this;
}
StartTagToken startTagToken = token as StartTagToken;
if (startTagToken != null)
{
switch (startTagToken.TagName)
{
case "html":
//TODO - Process the token using the rules for the "in body" insertion mode.
break;
case "base":
case "basefont":
case "bgsound":
case "link":
//TODO - Insert an HTML element for the token. Immediately pop the current node off the stack of open elements.
//TODO - Acknowledge the token's self-closing flag, if it is set.
break;
case "meta":
//TODO - Insert an HTML element for the token. Immediately pop the current node off the stack of open elements.
//TODO - Acknowledge the token's self-closing flag, if it is set.
//TODO - If the element has a charset attribute, and getting an encoding from its value results in a supported ASCII-compatible character encoding or a UTF-16 encoding, and the confidence is currently tentative, then change the encoding to the resulting encoding.
//TODO - Otherwise, if the element has an http-equiv attribute whose value is an ASCII case-insensitive match for the string "Content-Type", and the element has a content attribute, and applying the algorithm for extracting a character encoding from a meta element to that attribute's value returns a supported ASCII-compatible character encoding or a UTF-16 encoding, and the confidence is currently tentative, then change the encoding to the extracted encoding.
break;
case "title":
//Follow the generic RCDATA element parsing algorithm. (http://www.w3.org/TR/html5/syntax.html#generic-rcdata-element-parsing-algorithm)
//IHTMLTitleElement titleElement = (IHTMLTitleElement)HtmlElementFactory.Instance.CreateElement("title", doc);
InsertHtmlElement(startTagToken, doc);
//doc.appendChild(titleElement); // TODO - Follow insert HTML element algorithm (http://www.w3.org/TR/html5/syntax.html#insert-an-html-element)
tokenizer.SetNextState(RCDATAState.Instance);
TreeConstruction.Instance.SaveCurrentInsertionModeState();
return TextInsertionModeState.Instance;
case "noframes":
case "style":
//TODO - Follow the generic raw text element parsing algorithm.
break;
case "noscript":
//TODO - If scripting flag (http://www.w3.org/TR/html5/syntax.html#scripting-flag) is enabled:
//TODO - Follow the generic raw text element parsing algorithm.
//TODO - Else, if the flag is disabled:
//TODO - Insert an HTML element for the token.
//TODO - return InHeadNoScriptInsertionModeState.Instance;
break;
case "script":
//TODO - Run these steps:
//TODO - 1. Let the adjusted insertion location be the appropriate place for inserting a node.
//TODO - 2. Create an element for the token in the HTML namespace, with the intended parent being the element in which the adjusted insertion location finds itself.
//TODO - 3. Mark the element as being "parser-inserted" and unset the element's "force-async" flag.
//TODO -
//TODO - NOTE: This ensures that, if the script is external, any document.write() calls in the script will execute in-line, instead of blowing the document away,
//TODO - as would happen in most other cases. It also prevents the script from executing until the end tag is seen.
//TODO -
//TODO - 4. If the parser was originally created for the HTML fragment parsing algorithm, then mark the script element as "already started". (fragment case)
//TODO - 5. Insert the newly created element at the adjusted insertion location.
//TODO - 6. Push the element onto the stack of open elements so that it is the new current node.
//TODO - 7. Switch the tokenizer to the script data state.
//TODO - 8. Let the original insertion mode be the current insertion mode.
// 9. Switch the insertion mode to "text".
return TextInsertionModeState.Instance;
case "template":
//TODO - Insert an HTML element for the token.
//TODO - Insert a marker at the end of the list of active formatting elements.
//TODO - Set the frameset-ok flag to "not ok".
//TODO - Switch the insertion mode to "in template".
//TODO - Push "in template" onto the stack of template insertion modes so that it is the new current template insertion mode.
break;
case "head":
ReportParseError();
return this;
}
}
EndTagToken endTagToken = token as EndTagToken;
if (endTagToken != null)
{
switch (endTagToken.TagName)
{
case "head":
//TODO - Pop the current node (which will be the head element) off the stack of open elements.
//TODO - Switch the insertion mode to "after head".
break;
case "body":
case "html":
case "br":
// Act as described in the "anything else" entry below.
break;
case "template":
//TODO - If there is no template element on the stack of open elements, then this is a parse error; ignore the token.
//TODO - Otherwise, run these steps:
//TODO - 1. Generate implied end tags.
//TODO - 2. If the current node is not a template element, then this is a parse error.
//TODO - 3. Pop elements from the stack of open elements until a template element has been popped from the stack.
//TODO - 4. Clear the list of active formatting elements up to the last marker.
//TODO - 5. Pop the current template insertion mode off the stack of template insertion modes.
//TODO - 6. Reset the insertion mode appropriately.
break;
}
}
// Anything else:
// Pop the current node (which will be the head element) off the stack of open elements.
// Switch the insertion mode to "after head".
// Reprocess the token.
TreeConstruction.Instance.StackOfOpenElements.Pop();
queue.EnqueueTokenForReprocessing(token);
return AfterHeadInsertionModeState.Instance;
}
public override BaseInsertionModeState ProcessToken(HtmlTokenizer tokenizer, ITokenQueue queue, BaseToken token, IDocument doc)
{
//TODO - PERFORMANCE!
CharacterToken charToken = token as CharacterToken;
if (charToken != null)
{
if (charToken.Character == 0)
{
ReportParseError();
return this;
}
if (IsWhitespace(charToken))
{
//TODO - Reconstruct the active formatting elements, if any. (http://www.w3.org/TR/html5/syntax.html#reconstruct-the-active-formatting-elements)
// Insert the token's character. (http://www.w3.org/TR/html5/syntax.html#insert-a-character)
InsertCharacter(charToken, doc);
return this;
}
//TODO - Reconstruct the active formatting elements, if any. (http://www.w3.org/TR/html5/syntax.html#reconstruct-the-active-formatting-elements)
// Insert the token's character. (http://www.w3.org/TR/html5/syntax.html#insert-a-character)
InsertCharacter(charToken, doc);
//TODO - Set the frameset-ok flag to "not ok". (http://www.w3.org/TR/html5/syntax.html#frameset-ok-flag)
return this;
}
CommentToken comment = token as CommentToken;
if (comment != null)
{
InsertComment(comment, doc);
return this;
}
if (token is DocTypeToken)
{
ReportParseError();
return this;
}
StartTagToken startTag = token as StartTagToken;
EndTagToken endTag = token as EndTagToken;
if (startTag != null && startTag.TagName == "html")
{
ReportParseError();
//TODO - If there is a template element on the stack of open elements, then ignore the token.
//TODO - Otherwise, for each attribute on the token, check to see if the attribute is already
//TODO - present on the top element of the stack of open elements. If it is not, add the attribute
//TODO - and its corresponding value to that element.
return this;
}
if ((startTag != null && (
startTag.TagName == "base" ||
startTag.TagName == "basefont" ||
startTag.TagName == "bgsound" ||
startTag.TagName == "link" ||
startTag.TagName == "meta" ||
startTag.TagName == "noframes" ||
startTag.TagName == "script" ||
startTag.TagName == "style" ||
startTag.TagName == "template" ||
startTag.TagName == "title")) ||
(endTag != null && endTag.TagName == "template"))
{
BaseInsertionModeState nextState = InHeadInsertionModeState.Instance.ProcessToken(tokenizer, queue, token, doc);
if (nextState != InHeadInsertionModeState.Instance)
{
return nextState;
}
return this;
}
if (startTag != null && startTag.TagName == "body")
{
ReportParseError();
//TODO - If the second element on the stack of open elements is not a body element, if the stack of open elements
//TODO - has only one node on it, or if there is a template element on the stack of open elements, then ignore the
//TODO - token. (fragment case)
//TODO - Otherwise, set the frameset-ok flag to "not ok"; then, for each attribute on the token, check to see if
//TODO - the attribute is already present on the body element (the second element) on the stack of open elements,
//TODO - and if it is not, add the attribute and its corresponding value to that element.
return this;
}
if (startTag != null && startTag.TagName == "frameset")
{
ReportParseError();
//TODO - If the stack of open elements has only one node on it, or if the second element on the stack of open
//TODO - elements is not a body element, then ignore the token. (fragment case)
//TODO - If the frameset-ok flag is set to "not ok", ignore the token.
//TODO - Otherwise, run the following steps:
//TODO - 1. Remove the second element on the stack of open elements from its parent node, if it has one.
//TODO - 2. Pop all the nodes from the bottom of the stack of open elements, from the current node up to,
//TODO - but not including, the root html element.
//TODO - 3. Insert an HTML element for the token.
//TODO - 4. Switch the insertion mode to "in frameset".
return this;
}
if (token is EndOfFileToken)
{
//TODO - If there is a node in the stack of open elements that is not either a dd element, a dt element,
//TODO - an li element, a p element, a tbody element, a td element, a tfoot element, a th element,
//TODO - a thead element, a tr element, the body element, or the html element, then this is a parse error.
//TODO - If the stack of template insertion modes is not empty, then process the token using the rules for
//TODO - the "in template" insertion mode.
// Otherwise, stop parsing.
base.StopParsing();
return null;
}
if (endTag != null && endTag.TagName == "body")
{
return ProcessEndTagBodyOrHtml();
}
if (endTag != null && endTag.TagName == "html")
{
BaseInsertionModeState nextState = ProcessEndTagBodyOrHtml();
queue.EnqueueTokenForReprocessing(token);
return nextState;
}
if (startTag != null && (
startTag.TagName == "address" ||
startTag.TagName == "article" ||
startTag.TagName == "aside" ||
startTag.TagName == "blockquote" ||
startTag.TagName == "center" ||
startTag.TagName == "details" ||
startTag.TagName == "dialog" ||
startTag.TagName == "dir" ||
startTag.TagName == "div" ||
startTag.TagName == "dl" ||
startTag.TagName == "fieldset" ||
startTag.TagName == "figcaption" ||
startTag.TagName == "figure" ||
startTag.TagName == "footer" ||
startTag.TagName == "header" ||
startTag.TagName == "hgroup" ||
startTag.TagName == "main" ||
startTag.TagName == "nav" ||
startTag.TagName == "ol" ||
startTag.TagName == "p" ||
startTag.TagName == "section" ||
startTag.TagName == "summary" ||
startTag.TagName == "ul"))
{
//TODO - If the stack of open elements has a p element in button scope, then close a p element. (http://www.w3.org/TR/html5/syntax.html#close-a-p-element)
// Insert an HTML element for the token.
InsertHtmlElement(startTag, doc);
return this;
}
if (startTag != null && (
startTag.TagName == "h1" ||
startTag.TagName == "h2" ||
startTag.TagName == "h3" ||
startTag.TagName == "h4" ||
startTag.TagName == "h5" ||
startTag.TagName == "h6"))
{
//TODO - If the stack of open elements has a p element in button scope, then close a p element. (http://www.w3.org/TR/html5/syntax.html#close-a-p-element)
//TODO - If the current node is an HTML element whose tag name is one of "h1", "h2", "h3", "h4", "h5", or "h6",
//TODO - then this is a parse error; pop the current node off the stack of open elements.
InsertHtmlElement(startTag, doc);
return this;
}
if (startTag != null && (
startTag.TagName == "pre" ||
startTag.TagName == "listing"))
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "form")
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "li")
{
//TODO
return this;
}
if (startTag != null && (
startTag.TagName == "dd" ||
startTag.TagName == "dt"))
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "plaintext")
{
//TODO - If the stack of open elements has a p element in button scope, then close a p element. (http://www.w3.org/TR/html5/syntax.html#close-a-p-element)
// Insert an HTML element for the token.
InsertHtmlElement(startTag, doc);
// Switch the tokenizer to the PLAINTEXT state.
tokenizer.SetNextState(WebEngineSharp.Tokenizer.States.PLAINTEXTState.Instance);
//TODO - NOTE: Once a start tag with the tag name "plaintext" has been seen, that will be the last
//TODO - token ever seen other than character tokens (and the end-of-file token), because there is
//TODO - no way to switch out of the PLAINTEXT state.
return this;
}
if (startTag != null && startTag.TagName == "button")
{
//TODO
return this;
}
if (endTag != null && (
endTag.TagName == "address" ||
endTag.TagName == "article" ||
endTag.TagName == "aside" ||
endTag.TagName == "blockquote" ||
endTag.TagName == "button" ||
endTag.TagName == "center" ||
endTag.TagName == "details" ||
endTag.TagName == "dialog" ||
endTag.TagName == "dir" ||
endTag.TagName == "div" ||
endTag.TagName == "dl" ||
endTag.TagName == "fieldset" ||
endTag.TagName == "figcaption" ||
endTag.TagName == "figure" ||
endTag.TagName == "footer" ||
endTag.TagName == "header" ||
endTag.TagName == "hgroup" ||
endTag.TagName == "listing" ||
endTag.TagName == "main" ||
endTag.TagName == "nav" ||
endTag.TagName == "ol" ||
endTag.TagName == "pre" ||
endTag.TagName == "section" ||
endTag.TagName == "summary" ||
endTag.TagName == "ul"))
{
//TODO
return this;
}
if (endTag != null && endTag.TagName == "form")
{
//TODO
return this;
}
if (endTag != null && endTag.TagName == "p")
{
//TODO
return this;
}
if (endTag != null && endTag.TagName == "li")
{
//TODO
return this;
}
if (endTag != null && (
endTag.TagName == "dd" ||
endTag.TagName == "dt"))
{
//TODO
return this;
}
if (endTag != null && (
endTag.TagName == "h1" ||
endTag.TagName == "h2" ||
endTag.TagName == "h3" ||
endTag.TagName == "h4" ||
endTag.TagName == "h5" ||
endTag.TagName == "h6"))
{
//TODO
return this;
}
if (endTag != null && endTag.TagName == "sarcasm")
{
//TODO - Take a deep breath, then act as described in the "any other end tag" entry below.
return this;
}
if (startTag != null && startTag.TagName == "a")
{
//TODO
return this;
}
if (startTag != null && (
startTag.TagName == "b" ||
startTag.TagName == "big" ||
startTag.TagName == "code" ||
startTag.TagName == "em" ||
startTag.TagName == "font" ||
startTag.TagName == "i" ||
startTag.TagName == "s" ||
startTag.TagName == "small" ||
startTag.TagName == "strike" ||
startTag.TagName == "strong" ||
startTag.TagName == "tt" ||
startTag.TagName == "u"))
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "nobr")
{
//TODO
return this;
}
if (endTag != null && (
endTag.TagName == "a" ||
endTag.TagName == "b" ||
endTag.TagName == "big" ||
endTag.TagName == "code" ||
endTag.TagName == "em" ||
endTag.TagName == "font" ||
endTag.TagName == "i" ||
endTag.TagName == "nobr" ||
endTag.TagName == "s" ||
endTag.TagName == "small" ||
endTag.TagName == "strike" ||
endTag.TagName == "strong" ||
endTag.TagName == "tt" ||
endTag.TagName == "u"))
{
//TODO - Run the adoption agency algorithm (http://www.w3.org/TR/html5/syntax.html#adoption-agency-algorithm) for the token's tag name.
return this;
}
if (startTag != null && (
startTag.TagName == "applet" ||
startTag.TagName == "marquee" ||
startTag.TagName == "object"))
{
//TODO
return this;
}
if (endTag != null && (
endTag.TagName == "applet" ||
endTag.TagName == "marquee" ||
endTag.TagName == "object"))
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "table")
{
//TODO
return this;
}
if (endTag != null && endTag.TagName == "br")
{
//TODO
return this;
}
if (startTag != null && (
startTag.TagName == "area" ||
startTag.TagName == "br" ||
startTag.TagName == "embed" ||
startTag.TagName == "img" ||
startTag.TagName == "keygen" ||
startTag.TagName == "wbr"))
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "input")
{
//TODO
return this;
}
if (startTag != null && (
startTag.TagName == "param" ||
startTag.TagName == "source" ||
startTag.TagName == "track"))
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "hr")
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "image")
{
//Parse error. Change the token's tag name to "img" and reprocess it. (Don't ask.)
ReportParseError();
startTag.TagName = "img";
queue.EnqueueTokenForReprocessing(startTag);
return this;
}
if (startTag != null && startTag.TagName == "isindex")
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "textarea")
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "xmp")
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "iframe")
{
//TODO - Set the frameset-ok flag (http://www.w3.org/TR/html5/syntax.html#frameset-ok-flag) to "not ok".
//TODO - Follow the generic raw text element parsing algorithm. (http://www.w3.org/TR/html5/syntax.html#generic-raw-text-element-parsing-algorithm)
return this;
}
if (startTag != null &&
(startTag.TagName == "noembed" ||
(startTag.TagName == "noscript" && tokenizer.ScriptingEnabled)))
{
//TODO - Follow the generic raw text element parsing algorithm. (http://www.w3.org/TR/html5/syntax.html#generic-raw-text-element-parsing-algorithm)
return this;
}
if (startTag != null && startTag.TagName == "select")
{
//TODO
return this;
}
if (startTag != null && (
startTag.TagName == "optgroup" ||
startTag.TagName == "option"))
{
//TODO
return this;
}
if (startTag != null && (
startTag.TagName == "rb" ||
startTag.TagName == "rp" ||
startTag.TagName == "rtc"))
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "rt")
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "math")
{
//TODO
return this;
}
if (startTag != null && startTag.TagName == "svg")
{
//TODO
return this;
}
if (startTag != null && (
startTag.TagName == "caption" ||
startTag.TagName == "col" ||
startTag.TagName == "colgroup" ||
startTag.TagName == "frame" ||
startTag.TagName == "head" ||
startTag.TagName == "tbody" ||
startTag.TagName == "td" ||
startTag.TagName == "tfoot" ||
startTag.TagName == "th" ||
startTag.TagName == "thead" ||
startTag.TagName == "tr"))
{
ReportParseError();
return this;
}
if (startTag != null)
{
//TODO - Reconstruct the active formatting elements, if any.
// Insert an HTML element for the token.
InsertHtmlElement(startTag, doc);
//NOTE: This element will be an ordinary element.
return this;
}
if (endTag != null)
{
//TODO
return this;
}
return this;
}
