HtmlParser
Represents the Tree construction as specified in
8.2.5 Tree construction, on the following page:
http://www.w3.org/html/wg/drafts/html/master/syntax.html
using AngleSharp.DOM;
using AngleSharp.DOM.Html;
using AngleSharp.DOM.Mathml;
using AngleSharp.DOM.Svg;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Threading.Tasks;
namespace AngleSharp.Parser.Html
{
[DebuggerStepThrough]
public sealed class HtmlParser : IParser
{
private HtmlTokenizer tokenizer;
private HTMLDocument doc;
private HtmlTreeMode insert;
private HtmlTreeMode originalInsert;
private List<Element> open;
private List<Element> formatting;
private HTMLFormElement form;
private bool frameset;
private Node fragmentContext;
private bool foster;
private int nesting;
private bool started;
private HTMLScriptElement pendingParsingBlock;
private Stack<HtmlTreeMode> templateMode;
private Task task;
private object sync;
public HTMLDocument Result {
get {
Parse();
return doc;
}
}
public bool IsAsync => task != null;
public bool IsFragmentCase => fragmentContext != null;
internal Node AdjustedCurrentNode {
get {
if (fragmentContext == null || open.Count != 1)
return CurrentNode;
return fragmentContext;
}
}
internal Element CurrentNode {
get {
if (open.Count <= 0)
return null;
return open[open.Count - 1];
}
}
internal HTMLScriptElement PendingParsingBlock {
get {
return pendingParsingBlock;
}
set {
pendingParsingBlock = value;
}
}
public event EventHandler<ParseErrorEventArgs> ParseError;
public HtmlParser(string source, IConfiguration configuration = null)
: this(new HTMLDocument {
Options = configuration
}, new SourceManager(source, configuration.DefaultEncoding()))
{
}
public HtmlParser(Stream stream, IConfiguration configuration = null)
: this(new HTMLDocument {
Options = configuration
}, new SourceManager(stream, configuration.DefaultEncoding()))
{
}
public HtmlParser(HTMLDocument document, string source)
: this(document, new SourceManager(source, document.Options.DefaultEncoding()))
{
}
public HtmlParser(HTMLDocument document, Stream stream)
: this(document, new SourceManager(stream, document.Options.DefaultEncoding()))
{
}
internal HtmlParser(HTMLDocument document, SourceManager source)
{
tokenizer = new HtmlTokenizer(source);
HtmlTokenizer htmlTokenizer = tokenizer;
EventHandler<ParseErrorEventArgs> value = delegate(object s, ParseErrorEventArgs ev) {
if (this.ParseError != null)
this.ParseError(this, ev);
};
htmlTokenizer.ErrorOccurred += value;
sync = new object();
started = false;
doc = document;
open = new List<Element>();
templateMode = new Stack<HtmlTreeMode>();
formatting = new List<Element>();
frameset = true;
insert = HtmlTreeMode.Initial;
}
public Task ParseAsync()
{
lock (sync) {
if (!started) {
started = true;
task = Task.Factory.StartNew(delegate {
Kernel();
});
} else if (task == null) {
throw new InvalidOperationException("The parser has already run synchronously.");
}
return task;
}
}
public void Parse()
{
bool flag = false;
lock (sync) {
if (!started) {
started = true;
flag = true;
}
}
if (flag)
Kernel();
}
public void SwitchToFragment(Node context)
{
if (started)
throw new InvalidOperationException("Fragment mode has to be activated before running the parser!");
switch (context.NodeName) {
case "title":
case "textarea":
tokenizer.Switch(HtmlParseMode.RCData);
break;
case "style":
case "xmp":
case "iframe":
case "noembed":
case "noframes":
tokenizer.Switch(HtmlParseMode.Rawtext);
break;
case "script":
tokenizer.Switch(HtmlParseMode.Script);
break;
case "noscript":
if (doc.Options.IsScripting)
tokenizer.Switch(HtmlParseMode.Rawtext);
break;
case "plaintext":
tokenizer.Switch(HtmlParseMode.Plaintext);
break;
}
HTMLHtmlElement hTMLHtmlElement = new HTMLHtmlElement();
doc.AppendChild(hTMLHtmlElement);
open.Add(hTMLHtmlElement);
if (context is HTMLTemplateElement)
templateMode.Push(HtmlTreeMode.InTemplate);
Reset(context);
fragmentContext = context;
tokenizer.AcceptsCharacterData = !AdjustedCurrentNode.IsInHtml;
while (!(context is HTMLFormElement)) {
context = context.ParentNode;
if (context == null)
return;
}
form = (HTMLFormElement)context;
}
private void Reset(Node context = null)
{
bool flag = false;
int num = open.Count - 1;
while (true) {
if (num < 0)
return;
Node node = open[num];
if (num == 0) {
flag = true;
node = (context ?? node);
}
switch (node.NodeName) {
case "select":
insert = HtmlTreeMode.InSelect;
return;
case "th":
case "td":
insert = (flag ? HtmlTreeMode.InBody : HtmlTreeMode.InCell);
return;
case "tr":
insert = HtmlTreeMode.InRow;
return;
case "thead":
case "tfoot":
case "tbody":
insert = HtmlTreeMode.InTableBody;
return;
case "caption":
insert = HtmlTreeMode.InCaption;
return;
case "colgroup":
insert = HtmlTreeMode.InColumnGroup;
return;
case "table":
insert = HtmlTreeMode.InTable;
return;
case "template":
insert = templateMode.Peek();
return;
case "head":
insert = (flag ? HtmlTreeMode.InBody : HtmlTreeMode.InHead);
return;
case "body":
insert = HtmlTreeMode.InBody;
return;
case "frameset":
insert = HtmlTreeMode.InFrameset;
return;
case "html":
insert = HtmlTreeMode.BeforeHead;
return;
}
if (flag)
break;
num--;
}
insert = HtmlTreeMode.InBody;
}
private void Consume(HtmlToken token)
{
Node adjustedCurrentNode = AdjustedCurrentNode;
if (adjustedCurrentNode == null || adjustedCurrentNode.IsInHtml || token.IsEof || (adjustedCurrentNode.IsHtmlTIP && token.IsHtmlCompatible) || (adjustedCurrentNode.IsMathMLTIP && token.IsMathCompatible) || (adjustedCurrentNode.IsInMathMLSVGReady && token.IsSvg))
Home(token);
else
Foreign(token);
}
private void Home(HtmlToken token)
{
switch (insert) {
case HtmlTreeMode.Initial:
Initial(token);
break;
case HtmlTreeMode.BeforeHtml:
BeforeHtml(token);
break;
case HtmlTreeMode.BeforeHead:
BeforeHead(token);
break;
case HtmlTreeMode.InHead:
InHead(token);
break;
case HtmlTreeMode.InHeadNoScript:
InHeadNoScript(token);
break;
case HtmlTreeMode.AfterHead:
AfterHead(token);
break;
case HtmlTreeMode.InBody:
InBody(token);
break;
case HtmlTreeMode.Text:
Text(token);
break;
case HtmlTreeMode.InTable:
InTable(token);
break;
case HtmlTreeMode.InCaption:
InCaption(token);
break;
case HtmlTreeMode.InColumnGroup:
InColumnGroup(token);
break;
case HtmlTreeMode.InTableBody:
InTableBody(token);
break;
case HtmlTreeMode.InRow:
InRow(token);
break;
case HtmlTreeMode.InCell:
InCell(token);
break;
case HtmlTreeMode.InSelect:
InSelect(token);
break;
case HtmlTreeMode.InSelectInTable:
InSelectInTable(token);
break;
case HtmlTreeMode.InTemplate:
InTemplate(token);
break;
case HtmlTreeMode.AfterBody:
AfterBody(token);
break;
case HtmlTreeMode.InFrameset:
InFrameset(token);
break;
case HtmlTreeMode.AfterFrameset:
AfterFrameset(token);
break;
case HtmlTreeMode.AfterAfterBody:
AfterAfterBody(token);
break;
case HtmlTreeMode.AfterAfterFrameset:
AfterAfterFrameset(token);
break;
}
}
private void Initial(HtmlToken token)
{
if (token.Type == HtmlTokenType.DOCTYPE) {
HtmlDoctypeToken htmlDoctypeToken = (HtmlDoctypeToken)token;
if (!htmlDoctypeToken.IsValid)
RaiseErrorOccurred(ErrorCode.DoctypeInvalid);
AddDoctype(htmlDoctypeToken);
if (htmlDoctypeToken.IsFullQuirks)
doc.QuirksMode = QuirksMode.On;
else if (htmlDoctypeToken.IsLimitedQuirks) {
doc.QuirksMode = QuirksMode.Limited;
}
insert = HtmlTreeMode.BeforeHtml;
} else {
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
htmlCharacterToken.TrimStart();
if (htmlCharacterToken.IsEmpty)
return;
} else if (token.Type == HtmlTokenType.Comment) {
AddComment(doc, token);
return;
}
if (!doc.Options.IsEmbedded) {
RaiseErrorOccurred(ErrorCode.DoctypeMissing);
doc.QuirksMode = QuirksMode.On;
}
insert = HtmlTreeMode.BeforeHtml;
BeforeHtml(token);
}
}
private void BeforeHtml(HtmlToken token)
{
if (token.IsStartTag("html")) {
AddRoot(token.AsTag());
insert = HtmlTreeMode.BeforeHead;
} else if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
} else {
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
htmlCharacterToken.TrimStart();
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.Comment) {
AddComment(doc, token);
return;
}
if (token.IsEndTagInv("html", "body", "br", "head")) {
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
return;
}
}
BeforeHtml(HtmlToken.OpenTag("html"));
BeforeHead(token);
}
}
private void BeforeHead(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
htmlCharacterToken.TrimStart();
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.StartTag && ((HtmlTagToken)token).Name == "html") {
InBody(token);
return;
}
if (token.Type == HtmlTokenType.StartTag && ((HtmlTagToken)token).Name == "head") {
AddElement(new HTMLHeadElement(), token.AsTag(), false);
insert = HtmlTreeMode.InHead;
return;
}
if (token.Type == HtmlTokenType.Comment) {
AddComment(token);
return;
}
if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
return;
}
if (token.IsEndTagInv("html", "body", "br", "head")) {
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
return;
}
}
BeforeHead(HtmlToken.OpenTag("head"));
InHead(token);
}
private void InHead(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
string text = htmlCharacterToken.TrimStart();
AddCharacters(text);
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.Comment) {
AddComment(token);
return;
}
if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
return;
}
if (token.IsStartTag("html")) {
InBody(token);
return;
}
if (token.IsStartTag("meta")) {
HTMLMetaElement hTMLMetaElement = new HTMLMetaElement();
AddElement(hTMLMetaElement, token.AsTag(), true);
CloseCurrentNode();
string attribute = hTMLMetaElement.GetAttribute(AttributeNames.Charset);
if (attribute != null && DocumentEncoding.IsSupported(attribute))
SetCharset(attribute);
else {
attribute = hTMLMetaElement.GetAttribute(AttributeNames.HttpEquiv);
if (attribute != null && attribute.Equals("Content-Type", StringComparison.OrdinalIgnoreCase)) {
attribute = (hTMLMetaElement.GetAttribute(AttributeNames.Content) ?? string.Empty);
attribute = DocumentEncoding.Extract(attribute);
if (DocumentEncoding.IsSupported(attribute))
SetCharset(attribute);
}
}
return;
}
if (token.IsStartTag("link", "base", "basefont", "bgsound")) {
AddElement(token.AsTag(), true);
CloseCurrentNode();
return;
}
if (token.IsStartTag("title")) {
RCDataAlgorithm(token.AsTag());
return;
}
if (token.IsStartTag("style", "noframes") || (doc.Options.IsScripting && token.IsStartTag("noscript"))) {
RawtextAlgorithm(token.AsTag());
return;
}
if (token.IsStartTag("noscript")) {
AddElement(token.AsTag(), false);
insert = HtmlTreeMode.InHeadNoScript;
return;
}
if (token.IsStartTag("script")) {
AddElement(token.AsTag(), false);
tokenizer.Switch(HtmlParseMode.Script);
originalInsert = insert;
insert = HtmlTreeMode.Text;
return;
}
if (token.IsEndTag("head")) {
CloseCurrentNode();
insert = HtmlTreeMode.AfterHead;
return;
}
if (token.IsStartTag("head")) {
RaiseErrorOccurred(ErrorCode.HeadTagMisplaced);
return;
}
if (token.IsTag("template")) {
if (token.Type == HtmlTokenType.StartTag) {
HTMLTemplateElement element = new HTMLTemplateElement();
AddElement(element, token.AsTag(), false);
AddScopeMarker();
frameset = false;
insert = HtmlTreeMode.InTemplate;
templateMode.Push(HtmlTreeMode.InTemplate);
} else if (TagCurrentlyOpen("template")) {
GenerateImpliedEndTags();
if (!(CurrentNode is HTMLTemplateElement))
RaiseErrorOccurred(ErrorCode.TagClosingMismatch);
CloseTemplate();
} else {
RaiseErrorOccurred(ErrorCode.TagInappropriate);
}
return;
}
if (token.IsEndTagInv("html", "body", "br")) {
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
return;
}
}
CloseCurrentNode();
insert = HtmlTreeMode.AfterHead;
AfterHead(token);
}
private void InHeadNoScript(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
string text = htmlCharacterToken.TrimStart();
AddCharacters(text);
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.Comment) {
InHead(token);
return;
}
if (token.IsEndTag("noscript")) {
CloseCurrentNode();
insert = HtmlTreeMode.InHead;
return;
}
if (token.IsStartTag("style", "link", "basefont", "meta", "noframes", "bgsound")) {
InHead(token);
return;
}
if (token.IsStartTag("html")) {
InBody(token);
return;
}
if (token.IsStartTag("head", "noscript")) {
RaiseErrorOccurred(ErrorCode.TagInappropriate);
return;
}
if (token.IsEndTagInv("br")) {
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
return;
}
if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
return;
}
}
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
CloseCurrentNode();
insert = HtmlTreeMode.InHead;
InHead(token);
}
private void AfterHead(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
string text = htmlCharacterToken.TrimStart();
AddCharacters(text);
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.Comment) {
AddComment(token);
return;
}
if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
return;
}
if (token.IsStartTag("html")) {
InBody(token);
return;
}
if (token.IsStartTag("body")) {
AfterHeadStartTagBody((HtmlTagToken)token);
return;
}
if (token.IsStartTag("frameset")) {
HTMLFrameSetElement element = new HTMLFrameSetElement();
AddElement(element, token.AsTag(), false);
insert = HtmlTreeMode.InFrameset;
return;
}
if (token.IsStartTag("base", "basefont", "bgsound", "link", "meta", "noframes", "script", "style", "title")) {
RaiseErrorOccurred(ErrorCode.TagMustBeInHead);
int count = open.Count;
open.Add(doc.Head);
InHead(token);
open.RemoveAt(count);
return;
}
if (token.IsStartTag("head")) {
RaiseErrorOccurred(ErrorCode.HeadTagMisplaced);
return;
}
if (token.IsEndTagInv("html", "body", "br")) {
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
return;
}
}
AfterHeadStartTagBody(HtmlToken.OpenTag("body"));
frameset = true;
Home(token);
}
private void InBody(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
ReconstructFormatting();
AddCharacters(htmlCharacterToken.Data);
if (htmlCharacterToken.HasContent)
frameset = false;
} else if (token.Type == HtmlTokenType.Comment) {
AddComment(token);
} else if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
} else if (token.Type == HtmlTokenType.StartTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
switch (htmlTagToken.Name) {
case "html":
RaiseErrorOccurred(ErrorCode.HtmlTagMisplaced);
if (templateMode.Count == 0)
AppendAttributes(htmlTagToken, open[0]);
break;
case "base":
case "basefont":
case "bgsound":
case "link":
case "menuitem":
case "meta":
case "noframes":
case "script":
case "style":
case "title":
case "template":
InHead(token);
break;
case "body":
RaiseErrorOccurred(ErrorCode.BodyTagMisplaced);
if (templateMode.Count == 0 && open.Count > 1 && open[1] is HTMLBodyElement) {
frameset = false;
AppendAttributes(htmlTagToken, open[1]);
}
break;
case "frameset":
RaiseErrorOccurred(ErrorCode.FramesetMisplaced);
if (open.Count != 1 && open[1] is HTMLBodyElement && frameset) {
open[1].ParentNode.RemoveChild(open[1]);
while (open.Count > 1) {
CloseCurrentNode();
}
HTMLFrameSetElement element4 = new HTMLFrameSetElement();
AddElement(element4, htmlTagToken, false);
insert = HtmlTreeMode.InFrameset;
}
break;
case "address":
case "article":
case "aside":
case "blockquote":
case "center":
case "details":
case "dialog":
case "dir":
case "div":
case "dl":
case "fieldset":
case "figcaption":
case "figure":
case "footer":
case "header":
case "hgroup":
case "menu":
case "nav":
case "ol":
case "p":
case "section":
case "summary":
case "ul":
if (IsInButtonScope())
InBodyEndTagParagraph();
AddElement(htmlTagToken, false);
break;
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6": {
if (IsInButtonScope())
InBodyEndTagParagraph();
if (CurrentNode is HTMLHeadingElement) {
RaiseErrorOccurred(ErrorCode.HeadingNested);
CloseCurrentNode();
}
HTMLHeadingElement element9 = new HTMLHeadingElement();
AddElement(element9, htmlTagToken, false);
break;
}
case "pre":
case "listing": {
if (IsInButtonScope())
InBodyEndTagParagraph();
HTMLPreElement element2 = new HTMLPreElement();
AddElement(element2, htmlTagToken, false);
frameset = false;
PreventNewLine();
break;
}
case "form":
if (form == null) {
if (IsInButtonScope())
InBodyEndTagParagraph();
HTMLFormElement element11 = new HTMLFormElement();
AddElement(element11, htmlTagToken, false);
form = element11;
} else
RaiseErrorOccurred(ErrorCode.FormAlreadyOpen);
break;
case "li":
InBodyStartTagListItem(htmlTagToken);
break;
case "dd":
case "dt":
InBodyStartTagDefinitionItem(htmlTagToken);
break;
case "plaintext":
if (IsInButtonScope())
InBodyEndTagParagraph();
AddElement(token.AsTag(), false);
tokenizer.Switch(HtmlParseMode.Plaintext);
break;
case "button":
if (IsInScope<HTMLButtonElement>()) {
RaiseErrorOccurred(ErrorCode.ButtonInScope);
InBodyEndTagBlock("button");
InBody(token);
} else {
ReconstructFormatting();
HTMLButtonElement element13 = new HTMLButtonElement();
AddElement(element13, htmlTagToken, false);
frameset = false;
}
break;
case "a": {
for (int num = formatting.Count - 1; num >= 0; num--) {
if (formatting[num] == null)
break;
if (formatting[num] is HTMLAnchorElement) {
Element item = formatting[num];
RaiseErrorOccurred(ErrorCode.AnchorNested);
HeisenbergAlgorithm(HtmlToken.CloseTag("a"));
if (open.Contains(item))
open.Remove(item);
if (formatting.Contains(item))
formatting.RemoveAt(num);
break;
}
}
ReconstructFormatting();
HTMLAnchorElement element12 = new HTMLAnchorElement();
AddElement(element12, htmlTagToken, false);
AddFormattingElement(element12);
break;
}
case "b":
case "big":
case "code":
case "em":
case "font":
case "i":
case "s":
case "small":
case "strike":
case "strong":
case "tt":
case "u": {
ReconstructFormatting();
HTMLElement element10 = HTMLFactory.Create(htmlTagToken.Name, doc);
AddElement(element10, htmlTagToken, false);
AddFormattingElement(element10);
break;
}
case "nobr": {
ReconstructFormatting();
if (IsInScope<HTMLNoNewlineElement>()) {
RaiseErrorOccurred(ErrorCode.NobrInScope);
HeisenbergAlgorithm(htmlTagToken);
ReconstructFormatting();
}
HTMLElement element7 = HTMLFactory.Create(htmlTagToken.Name, doc);
AddElement(element7, htmlTagToken, false);
AddFormattingElement(element7);
break;
}
case "applet":
case "marquee":
case "object":
ReconstructFormatting();
AddElement(htmlTagToken, false);
AddScopeMarker();
frameset = false;
break;
case "table": {
if (doc.QuirksMode == QuirksMode.Off && IsInButtonScope())
InBodyEndTagParagraph();
HTMLTableElement element5 = new HTMLTableElement();
AddElement(element5, htmlTagToken, false);
frameset = false;
insert = HtmlTreeMode.InTable;
break;
}
case "area":
case "br":
case "embed":
case "keygen":
case "wbr":
case "img":
InBodyStartTagBreakrow(htmlTagToken);
break;
case "image":
RaiseErrorOccurred(ErrorCode.ImageTagNamedWrong);
htmlTagToken.Name = "img";
InBodyStartTagBreakrow(htmlTagToken);
break;
case "input": {
ReconstructFormatting();
HTMLInputElement element3 = new HTMLInputElement();
AddElement(element3, htmlTagToken, true);
CloseCurrentNode();
if (!htmlTagToken.GetAttribute(AttributeNames.Type).Equals("hidden", StringComparison.OrdinalIgnoreCase))
frameset = false;
break;
}
case "param":
case "source":
case "track":
AddElement(htmlTagToken, true);
CloseCurrentNode();
break;
case "hr": {
if (IsInButtonScope())
InBodyEndTagParagraph();
HTMLHRElement element = new HTMLHRElement();
AddElement(element, htmlTagToken, true);
CloseCurrentNode();
frameset = false;
break;
}
case "isindex":
RaiseErrorOccurred(ErrorCode.TagInappropriate);
if (form == null) {
InBody(HtmlToken.OpenTag("form"));
if (htmlTagToken.GetAttribute(AttributeNames.Action) != string.Empty)
form.SetAttribute(AttributeNames.Action, htmlTagToken.GetAttribute(AttributeNames.Action));
InBody(HtmlToken.OpenTag("hr"));
InBody(HtmlToken.OpenTag("label"));
if (htmlTagToken.GetAttribute(AttributeNames.Prompt) != string.Empty)
AddCharacters(htmlTagToken.GetAttribute(AttributeNames.Prompt));
else
AddCharacters("This is a searchable index. Enter search keywords: ");
HtmlTagToken htmlTagToken2 = HtmlToken.OpenTag("input");
htmlTagToken2.AddAttribute(AttributeNames.Name, "isindex");
for (int k = 0; k < htmlTagToken.Attributes.Count; k++) {
if (!htmlTagToken.Attributes[k].Key.IsOneOf(AttributeNames.Name, AttributeNames.Action, AttributeNames.Prompt))
htmlTagToken2.AddAttribute(htmlTagToken.Attributes[k].Key, htmlTagToken.Attributes[k].Value);
}
InBody(htmlTagToken2);
InBody(HtmlToken.CloseTag("label"));
InBody(HtmlToken.OpenTag("hr"));
InBody(HtmlToken.CloseTag("form"));
}
break;
case "textarea": {
HTMLTextAreaElement element8 = new HTMLTextAreaElement();
AddElement(element8, htmlTagToken, false);
tokenizer.Switch(HtmlParseMode.RCData);
originalInsert = insert;
frameset = false;
insert = HtmlTreeMode.Text;
PreventNewLine();
break;
}
case "xmp":
if (IsInButtonScope())
InBodyEndTagParagraph();
ReconstructFormatting();
frameset = false;
RawtextAlgorithm(htmlTagToken);
break;
case "iframe":
frameset = false;
RawtextAlgorithm(htmlTagToken);
break;
case "select": {
ReconstructFormatting();
HTMLSelectElement element6 = new HTMLSelectElement();
AddElement(element6, htmlTagToken, false);
frameset = false;
switch (insert) {
case HtmlTreeMode.InTable:
case HtmlTreeMode.InCaption:
case HtmlTreeMode.InRow:
case HtmlTreeMode.InCell:
insert = HtmlTreeMode.InSelectInTable;
break;
default:
insert = HtmlTreeMode.InSelect;
break;
}
break;
}
case "optgroup":
case "option":
if (CurrentNode is HTMLOptionElement)
InBodyEndTagAnythingElse(HtmlToken.CloseTag("option"));
ReconstructFormatting();
AddElement(htmlTagToken, false);
break;
case "rp":
case "rt":
if (IsInScope<HTMLRubyElement>()) {
GenerateImpliedEndTags();
if (!(CurrentNode is HTMLRubyElement))
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
}
AddElement(htmlTagToken, false);
break;
case "noembed":
RawtextAlgorithm(htmlTagToken);
break;
case "noscript":
if (doc.Options.IsScripting)
RawtextAlgorithm(htmlTagToken);
else {
ReconstructFormatting();
AddElement(htmlTagToken, false);
}
break;
case "math": {
MathElement mathElement = new MathElement();
mathElement.NodeName = htmlTagToken.Name;
ReconstructFormatting();
for (int j = 0; j < htmlTagToken.Attributes.Count; j++) {
string key2 = htmlTagToken.Attributes[j].Key;
string value2 = htmlTagToken.Attributes[j].Value;
mathElement.SetAdjustedAttribute(key2.AdjustMathMLAttributeName(), value2);
}
AddElement(mathElement);
if (htmlTagToken.IsSelfClosing)
open.Remove(mathElement);
break;
}
case "svg": {
SVGElement sVGElement = new SVGElement();
sVGElement.NodeName = htmlTagToken.Name;
ReconstructFormatting();
for (int i = 0; i < htmlTagToken.Attributes.Count; i++) {
string key = htmlTagToken.Attributes[i].Key;
string value = htmlTagToken.Attributes[i].Value;
sVGElement.SetAdjustedAttribute(key.AdjustSvgAttributeName(), value);
}
AddElement(sVGElement);
if (htmlTagToken.IsSelfClosing)
open.Remove(sVGElement);
break;
}
case "caption":
case "col":
case "colgroup":
case "frame":
case "head":
case "tbody":
case "td":
case "tfoot":
case "th":
case "thead":
case "tr":
RaiseErrorOccurred(ErrorCode.TagCannotStartHere);
break;
default:
ReconstructFormatting();
AddElement(htmlTagToken, false);
break;
}
} else if (token.Type == HtmlTokenType.EndTag) {
HtmlTagToken htmlTagToken3 = (HtmlTagToken)token;
switch (htmlTagToken3.Name) {
case "body":
InBodyEndTagBody();
break;
case "html":
if (InBodyEndTagBody())
AfterBody(token);
break;
case "address":
case "article":
case "aside":
case "blockquote":
case "button":
case "center":
case "details":
case "dialog":
case "dir":
case "div":
case "dl":
case "fieldset":
case "figcaption":
case "figure":
case "footer":
case "header":
case "hgroup":
case "listing":
case "main":
case "menu":
case "nav":
case "ol":
case "pre":
case "section":
case "summary":
case "ul":
InBodyEndTagBlock(htmlTagToken3.Name);
break;
case "template":
InHead(htmlTagToken3);
break;
case "form": {
HTMLFormElement hTMLFormElement = form;
form = null;
if (hTMLFormElement != null && IsInScope(hTMLFormElement.NodeName)) {
GenerateImpliedEndTags();
if (CurrentNode != hTMLFormElement)
RaiseErrorOccurred(ErrorCode.FormClosedWrong);
open.Remove(hTMLFormElement);
} else
RaiseErrorOccurred(ErrorCode.FormNotInScope);
break;
}
case "p":
InBodyEndTagParagraph();
break;
case "li":
if (IsInListItemScope()) {
GenerateImpliedEndTagsExceptFor(htmlTagToken3.Name);
if (!(CurrentNode is HTMLLIElement))
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
ClearStackBackTo<HTMLLIElement>();
CloseCurrentNode();
} else
RaiseErrorOccurred(ErrorCode.ListItemNotInScope);
break;
case "dd":
case "dt":
if (IsInScope(htmlTagToken3.Name)) {
GenerateImpliedEndTagsExceptFor(htmlTagToken3.Name);
if (CurrentNode.NodeName != htmlTagToken3.Name)
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
ClearStackBackTo(htmlTagToken3.Name);
CloseCurrentNode();
} else
RaiseErrorOccurred(ErrorCode.ListItemNotInScope);
break;
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6":
if (IsInScope<HTMLHeadingElement>()) {
GenerateImpliedEndTags();
if (CurrentNode.NodeName != htmlTagToken3.Name)
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
ClearStackBackTo<HTMLHeadingElement>();
CloseCurrentNode();
} else
RaiseErrorOccurred(ErrorCode.HeadingNotInScope);
break;
case "a":
case "b":
case "big":
case "code":
case "em":
case "font":
case "i":
case "nobr":
case "s":
case "small":
case "strike":
case "strong":
case "tt":
case "u":
HeisenbergAlgorithm(htmlTagToken3);
break;
case "applet":
case "marquee":
case "object":
if (IsInScope(htmlTagToken3.Name)) {
GenerateImpliedEndTags();
if (CurrentNode.NodeName != htmlTagToken3.Name)
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
ClearStackBackTo(htmlTagToken3.Name);
CloseCurrentNode();
ClearFormattingElements();
} else
RaiseErrorOccurred(ErrorCode.ObjectNotInScope);
break;
case "br":
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
InBodyStartTagBreakrow(HtmlToken.OpenTag("br"));
break;
default:
InBodyEndTagAnythingElse(htmlTagToken3);
break;
}
} else if (token.Type == HtmlTokenType.EOF) {
CheckBodyOnClosing();
if (templateMode.Count != 0)
InTemplate(token);
else
End();
}
}
private void Text(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character)
AddCharacters(((HtmlCharacterToken)token).Data);
else if (token.Type == HtmlTokenType.EOF) {
RaiseErrorOccurred(ErrorCode.EOF);
CloseCurrentNode();
insert = originalInsert;
Consume(token);
} else if (token.Type == HtmlTokenType.EndTag && ((HtmlTagToken)token).Name != "script") {
CloseCurrentNode();
insert = originalInsert;
} else if (token.Type == HtmlTokenType.EndTag) {
RunScript();
}
}
private void InTable(HtmlToken token)
{
if (token.Type == HtmlTokenType.Comment)
AddComment(token);
else if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
} else if (token.Type == HtmlTokenType.StartTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
switch (htmlTagToken.Name) {
case "caption": {
ClearStackBackTo<HTMLTableElement>();
AddScopeMarker();
HTMLTableCaptionElement element5 = new HTMLTableCaptionElement();
AddElement(element5, htmlTagToken, false);
insert = HtmlTreeMode.InCaption;
break;
}
case "colgroup": {
ClearStackBackTo<HTMLTableElement>();
HTMLTableColElement element4 = new HTMLTableColElement();
AddElement(element4, htmlTagToken, false);
insert = HtmlTreeMode.InColumnGroup;
break;
}
case "col":
InTable(HtmlToken.OpenTag("colgroup"));
InColumnGroup(token);
break;
case "tbody":
case "thead":
case "tfoot": {
ClearStackBackTo<HTMLTableElement>();
HTMLTableSectionElement element2 = new HTMLTableSectionElement();
AddElement(element2, htmlTagToken, false);
insert = HtmlTreeMode.InTableBody;
break;
}
case "td":
case "th":
case "tr":
InTable(HtmlToken.OpenTag("tbody"));
InTableBody(token);
break;
case "table":
RaiseErrorOccurred(ErrorCode.TableNesting);
if (InTableEndTagTable())
Home(token);
break;
case "script":
case "style":
case "template":
InHead(token);
break;
case "input":
if (htmlTagToken.GetAttribute(AttributeNames.Type).Equals("hidden", StringComparison.OrdinalIgnoreCase)) {
RaiseErrorOccurred(ErrorCode.InputUnexpected);
HTMLInputElement element3 = new HTMLInputElement();
AddElement(element3, htmlTagToken, true);
CloseCurrentNode();
} else {
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
InBodyWithFoster(token);
}
break;
case "form":
RaiseErrorOccurred(ErrorCode.FormInappropriate);
if (form == null) {
HTMLFormElement element = new HTMLFormElement();
AddElement(element, htmlTagToken, false);
form = element;
CloseCurrentNode();
}
break;
default:
RaiseErrorOccurred(ErrorCode.IllegalElementInTableDetected);
InBodyWithFoster(token);
break;
}
} else if (token.Type == HtmlTokenType.EndTag) {
HtmlTagToken htmlTagToken2 = (HtmlTagToken)token;
switch (htmlTagToken2.Name) {
case "table":
InTableEndTagTable();
break;
case "template":
InHead(token);
break;
case "body":
case "colgroup":
case "col":
case "caption":
case "html":
case "tbody":
case "tr":
case "thead":
case "th":
case "tfoot":
case "td":
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
break;
default:
RaiseErrorOccurred(ErrorCode.IllegalElementInTableDetected);
InBodyWithFoster(token);
break;
}
} else if (token.Type == HtmlTokenType.Character && CurrentNode != null && CurrentNode.IsTableElement()) {
InTableText((HtmlCharacterToken)token);
} else if (token.Type == HtmlTokenType.EOF) {
InBody(token);
} else {
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
InBodyWithFoster(token);
}
}
private void InTableText(HtmlCharacterToken token)
{
bool hasContent = token.HasContent;
if (hasContent)
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
if (hasContent)
InBodyWithFoster(token);
else
AddCharacters(token.Data);
}
private void InCaption(HtmlToken token)
{
if (token.Type == HtmlTokenType.EndTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
switch (htmlTagToken.Name) {
case "caption":
InCaptionEndTagCaption();
break;
case "body":
case "th":
case "colgroup":
case "html":
case "tbody":
case "col":
case "tfoot":
case "td":
case "thead":
case "tr":
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
break;
case "table":
RaiseErrorOccurred(ErrorCode.TableNesting);
if (InCaptionEndTagCaption())
InTable(token);
break;
default:
InBody(token);
break;
}
} else if (token.Type == HtmlTokenType.StartTag) {
HtmlTagToken htmlTagToken2 = (HtmlTagToken)token;
switch (htmlTagToken2.Name) {
case "caption":
case "col":
case "colgroup":
case "tbody":
case "td":
case "tfoot":
case "th":
case "thead":
case "tr":
RaiseErrorOccurred(ErrorCode.TagCannotStartHere);
if (InCaptionEndTagCaption())
InTable(token);
break;
default:
InBody(token);
break;
}
} else {
InBody(token);
}
}
private void InColumnGroup(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
string text = htmlCharacterToken.TrimStart();
AddCharacters(text);
} else if (token.Type == HtmlTokenType.Comment) {
AddComment(token);
} else if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
} else if (token.IsStartTag("html")) {
InBody(token);
} else if (token.IsStartTag("col")) {
HTMLTableColElement element = new HTMLTableColElement();
AddElement(element, token.AsTag(), true);
CloseCurrentNode();
} else if (token.IsEndTag("colgroup")) {
InColumnGroupEndTagColgroup();
} else if (token.IsEndTag("col")) {
RaiseErrorOccurred(ErrorCode.TagClosedWrong);
} else if (token.IsTag("template")) {
InHead(token);
} else if (token.Type == HtmlTokenType.EOF) {
InBody(token);
} else if (InColumnGroupEndTagColgroup()) {
InTable(token);
}
}
private void InTableBody(HtmlToken token)
{
if (token.Type == HtmlTokenType.StartTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
if (htmlTagToken.Name == "tr") {
ClearStackBackTo<HTMLTableSectionElement>();
HTMLTableRowElement element = new HTMLTableRowElement();
AddElement(element, token.AsTag(), false);
insert = HtmlTreeMode.InRow;
} else if (htmlTagToken.Name.IsTableCellElement()) {
InTableBody(HtmlToken.OpenTag("tr"));
InRow(token);
} else if (htmlTagToken.Name.IsGeneralTableElement(false)) {
InTableBodyCloseTable(htmlTagToken);
} else {
InTable(token);
}
} else if (token.Type == HtmlTokenType.EndTag) {
HtmlTagToken htmlTagToken2 = (HtmlTagToken)token;
if (htmlTagToken2.Name.IsTableSectionElement()) {
if (IsInTableScope(((HtmlTagToken)token).Name)) {
ClearStackBackTo<HTMLTableSectionElement>();
CloseCurrentNode();
insert = HtmlTreeMode.InTable;
} else
RaiseErrorOccurred(ErrorCode.TableSectionNotInScope);
} else if (htmlTagToken2.Name.IsSpecialTableElement(true)) {
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
} else if (htmlTagToken2.Name == "table") {
InTableBodyCloseTable(htmlTagToken2);
} else {
InTable(token);
}
} else {
InTable(token);
}
}
private void InRow(HtmlToken token)
{
if (token.Type == HtmlTokenType.StartTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
if (htmlTagToken.Name.IsTableCellElement()) {
ClearStackBackTo<HTMLTableRowElement>();
HTMLTableCellElement element = new HTMLTableCellElement();
AddElement(element, token.AsTag(), false);
insert = HtmlTreeMode.InCell;
AddScopeMarker();
} else if (htmlTagToken.Name.IsGeneralTableElement(true)) {
if (InRowEndTagTablerow())
InTableBody(token);
} else {
InTable(token);
}
} else if (token.Type == HtmlTokenType.EndTag) {
HtmlTagToken htmlTagToken2 = (HtmlTagToken)token;
if (htmlTagToken2.Name == "tr")
InRowEndTagTablerow();
else if (htmlTagToken2.Name == "table") {
if (InRowEndTagTablerow())
InTableBody(token);
} else if (htmlTagToken2.Name.IsTableSectionElement()) {
if (IsInTableScope(htmlTagToken2.Name)) {
InRowEndTagTablerow();
InTableBody(token);
} else
RaiseErrorOccurred(ErrorCode.TableSectionNotInScope);
} else if (htmlTagToken2.Name.IsSpecialTableElement(false)) {
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
} else {
InTable(token);
}
} else {
InTable(token);
}
}
private void InCell(HtmlToken token)
{
if (token.Type == HtmlTokenType.EndTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
if (htmlTagToken.Name.IsTableCellElement())
InCellEndTagCell();
else if (htmlTagToken.Name.IsSpecialTableElement(false)) {
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
} else if (htmlTagToken.Name.IsTableElement()) {
if (IsInTableScope(htmlTagToken.Name)) {
InCellEndTagCell();
Home(token);
} else
RaiseErrorOccurred(ErrorCode.TableNotInScope);
} else {
InBody(token);
}
} else if (token.Type == HtmlTokenType.StartTag && (((HtmlTagToken)token).Name.IsGeneralTableElement(true) || ((HtmlTagToken)token).Name.IsTableCellElement())) {
HtmlTagToken htmlTagToken2 = (HtmlTagToken)token;
if (IsInTableScope("td") || IsInTableScope("th")) {
InCellEndTagCell();
Home(token);
} else
RaiseErrorOccurred(ErrorCode.TableCellNotInScope);
} else {
InBody(token);
}
}
private void InSelect(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character)
AddCharacters(((HtmlCharacterToken)token).Data);
else if (token.Type == HtmlTokenType.Comment) {
AddComment(token);
} else if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
} else if (token.Type == HtmlTokenType.StartTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
switch (htmlTagToken.Name) {
case "html":
InBody(token);
break;
case "option": {
if (CurrentNode is HTMLOptionElement)
InSelectEndTagOption();
HTMLOptionElement element2 = new HTMLOptionElement();
AddElement(element2, token.AsTag(), false);
break;
}
case "optgroup": {
if (CurrentNode is HTMLOptionElement)
InSelectEndTagOption();
if (CurrentNode is HTMLOptGroupElement)
InSelectEndTagOptgroup();
HTMLOptGroupElement element = new HTMLOptGroupElement();
AddElement(element, token.AsTag(), false);
break;
}
case "select":
RaiseErrorOccurred(ErrorCode.SelectNesting);
InSelectEndTagSelect();
break;
case "input":
case "keygen":
case "textarea":
RaiseErrorOccurred(ErrorCode.IllegalElementInSelectDetected);
if (IsInSelectScope("select")) {
InSelectEndTagSelect();
Home(token);
}
break;
case "template":
case "script":
InHead(token);
break;
default:
RaiseErrorOccurred(ErrorCode.IllegalElementInSelectDetected);
break;
}
} else if (token.Type == HtmlTokenType.EndTag) {
HtmlTagToken htmlTagToken2 = (HtmlTagToken)token;
switch (htmlTagToken2.Name) {
case "template":
InHead(token);
break;
case "optgroup":
InSelectEndTagOptgroup();
break;
case "option":
InSelectEndTagOption();
break;
case "select":
if (IsInSelectScope("select"))
InSelectEndTagSelect();
else
RaiseErrorOccurred(ErrorCode.SelectNotInScope);
break;
default:
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
break;
}
} else if (token.Type == HtmlTokenType.EOF) {
InBody(token);
} else {
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
}
}
private void InSelectInTable(HtmlToken token)
{
HtmlTagToken htmlTagToken = token as HtmlTagToken;
if (htmlTagToken != null && (htmlTagToken.Name.IsTableCellElement() || htmlTagToken.Name.IsTableElement() || htmlTagToken.Name == "caption")) {
if (token.Type == HtmlTokenType.StartTag) {
RaiseErrorOccurred(ErrorCode.IllegalElementInSelectDetected);
InSelectEndTagSelect();
Home(token);
} else {
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
if (IsInTableScope(htmlTagToken.Name)) {
InSelectEndTagSelect();
Home(token);
}
}
} else
InSelect(token);
}
private void InTemplate(HtmlToken token)
{
switch (token.Type) {
case HtmlTokenType.DOCTYPE:
case HtmlTokenType.Comment:
case HtmlTokenType.Character:
InBody(token);
break;
case HtmlTokenType.StartTag: {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
switch (htmlTagToken.Name) {
case "base":
case "basefont":
case "link":
case "meta":
case "bgsound":
case "noframes":
case "script":
case "style":
case "template":
case "title":
InHead(token);
break;
case "caption":
case "colgroup":
case "tbody":
case "tfoot":
case "thead":
TemplateStep(token, HtmlTreeMode.InTable);
break;
case "col":
TemplateStep(token, HtmlTreeMode.InColumnGroup);
break;
case "tr":
TemplateStep(token, HtmlTreeMode.InTableBody);
break;
case "td":
case "th":
TemplateStep(token, HtmlTreeMode.InRow);
break;
default:
TemplateStep(token, HtmlTreeMode.InBody);
break;
}
break;
}
case HtmlTokenType.EndTag: {
HtmlTagToken htmlTagToken2 = (HtmlTagToken)token;
if (htmlTagToken2.Name == "template")
InHead(token);
else
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
break;
}
case HtmlTokenType.EOF:
if (TagCurrentlyOpen("template")) {
RaiseErrorOccurred(ErrorCode.EOF);
CloseTemplate();
Home(token);
} else
End();
break;
}
}
private void AfterBody(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
string text = htmlCharacterToken.TrimStart();
ReconstructFormatting();
AddCharacters(text);
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.Comment) {
AddComment(open[0], token);
return;
}
if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
return;
}
if (token.IsTag("html")) {
if (token.Type == HtmlTokenType.StartTag)
InBody(token);
else if (IsFragmentCase) {
RaiseErrorOccurred(ErrorCode.TagInvalidInFragmentMode);
} else {
insert = HtmlTreeMode.AfterAfterBody;
}
return;
}
if (token.Type == HtmlTokenType.EOF) {
End();
return;
}
}
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
insert = HtmlTreeMode.InBody;
InBody(token);
}
private void InFrameset(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
string text = htmlCharacterToken.TrimStart();
AddCharacters(text);
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.Comment) {
AddComment(token);
return;
}
if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
return;
}
if (token.Type == HtmlTokenType.StartTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
if (htmlTagToken.Name == "html") {
InBody(token);
return;
}
if (htmlTagToken.Name == "frameset") {
HTMLFrameSetElement element = new HTMLFrameSetElement();
AddElement(element, token.AsTag(), false);
return;
}
if (htmlTagToken.Name == "frame") {
HTMLFrameElement element2 = new HTMLFrameElement();
AddElement(element2, token.AsTag(), true);
CloseCurrentNode();
return;
}
if (htmlTagToken.Name == "noframes") {
InHead(token);
return;
}
} else {
if (token.IsEndTag("frameset")) {
if (CurrentNode != open[0]) {
CloseCurrentNode();
if (!IsFragmentCase && !(CurrentNode is HTMLFrameSetElement))
insert = HtmlTreeMode.AfterFrameset;
} else
RaiseErrorOccurred(ErrorCode.CurrentNodeIsRoot);
return;
}
if (token.Type == HtmlTokenType.EOF) {
if (CurrentNode != doc.DocumentElement)
RaiseErrorOccurred(ErrorCode.CurrentNodeIsNotRoot);
End();
return;
}
}
}
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
}
private void AfterFrameset(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
string text = htmlCharacterToken.TrimStart();
AddCharacters(text);
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.Comment) {
AddComment(token);
return;
}
if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
return;
}
if (token.Type == HtmlTokenType.StartTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
if (htmlTagToken.Name == "html") {
InBody(token);
return;
}
if (htmlTagToken.Name == "noframes") {
InHead(token);
return;
}
} else {
if (token.IsEndTag("html")) {
insert = HtmlTreeMode.AfterAfterFrameset;
return;
}
if (token.Type == HtmlTokenType.EOF) {
End();
return;
}
}
}
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
}
private void AfterAfterBody(HtmlToken token)
{
if (token.Type == HtmlTokenType.Comment)
AddComment(doc, token);
else {
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
string text = htmlCharacterToken.TrimStart();
ReconstructFormatting();
AddCharacters(text);
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.DOCTYPE || token.IsStartTag("html")) {
InBody(token);
return;
}
if (token.Type == HtmlTokenType.EOF) {
End();
return;
}
}
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
insert = HtmlTreeMode.InBody;
InBody(token);
}
}
private void AfterAfterFrameset(HtmlToken token)
{
if (token.Type == HtmlTokenType.Comment)
AddComment(doc, token);
else {
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
string text = htmlCharacterToken.TrimStart();
ReconstructFormatting();
AddCharacters(text);
if (htmlCharacterToken.IsEmpty)
return;
} else {
if (token.Type == HtmlTokenType.DOCTYPE || token.IsStartTag("html")) {
InBody(token);
return;
}
if (token.IsStartTag("noframes")) {
InHead(token);
return;
}
if (token.Type == HtmlTokenType.EOF) {
End();
return;
}
}
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
}
}
private void TemplateStep(HtmlToken token, HtmlTreeMode mode)
{
templateMode.Pop();
templateMode.Push(mode);
insert = mode;
Home(token);
}
private void CloseTemplate()
{
while (open.Count > 0) {
Element currentNode = CurrentNode;
CloseCurrentNode();
if (currentNode is HTMLTemplateElement)
break;
}
ClearFormattingElements();
templateMode.Pop();
Reset(null);
}
private void InTableBodyCloseTable(HtmlTagToken tag)
{
if (IsInTableScope<HTMLTableSectionElement>()) {
ClearStackBackTo<HTMLTableSectionElement>();
CloseCurrentNode();
insert = HtmlTreeMode.InTable;
InTable(tag);
} else
RaiseErrorOccurred(ErrorCode.TableSectionNotInScope);
}
private void InSelectEndTagOption()
{
if (CurrentNode is HTMLOptionElement)
CloseCurrentNode();
else
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
}
private void InSelectEndTagOptgroup()
{
if (open.Count > 1 && open[open.Count - 1] is HTMLOptionElement && open[open.Count - 2] is HTMLOptGroupElement)
CloseCurrentNode();
if (CurrentNode is HTMLOptGroupElement)
CloseCurrentNode();
else
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
}
private bool InColumnGroupEndTagColgroup()
{
if (CurrentNode.NodeName == "colgroup") {
CloseCurrentNode();
insert = HtmlTreeMode.InTable;
return true;
}
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
return false;
}
private void AfterHeadStartTagBody(HtmlTagToken token)
{
HTMLBodyElement element = new HTMLBodyElement();
AddElement(element, token, false);
frameset = false;
insert = HtmlTreeMode.InBody;
}
private void RawtextAlgorithm(HtmlTagToken tag)
{
HTMLElement element = HTMLFactory.Create(tag.Name, doc);
AddElement(element, tag, false);
originalInsert = insert;
insert = HtmlTreeMode.Text;
tokenizer.Switch(HtmlParseMode.Rawtext);
}
private void RCDataAlgorithm(HtmlTagToken tag)
{
HTMLElement element = HTMLFactory.Create(tag.Name, doc);
AddElement(element, tag, false);
originalInsert = insert;
insert = HtmlTreeMode.Text;
tokenizer.Switch(HtmlParseMode.RCData);
}
private void InBodyStartTagListItem(HtmlTagToken tag)
{
frameset = false;
int num = open.Count - 1;
Element element = open[num];
while (true) {
if (element is HTMLLIElement && element.NodeName == "li") {
InBody(HtmlToken.CloseTag(element.NodeName));
break;
}
if (!(element is HTMLAddressElement) && !(element is HTMLDivElement) && !(element is HTMLParagraphElement) && element.IsSpecial)
break;
element = open[--num];
}
if (IsInButtonScope())
InBodyEndTagParagraph();
HTMLElement element2 = HTMLFactory.Create(tag.Name, doc);
AddElement(element2, tag, false);
}
private void InBodyStartTagDefinitionItem(HtmlTagToken tag)
{
frameset = false;
int num = open.Count - 1;
Element element = open[num];
while (true) {
if (element is HTMLLIElement && (element.NodeName == "dd" || element.NodeName == "dt")) {
InBody(HtmlToken.CloseTag(element.NodeName));
break;
}
if (!(element is HTMLAddressElement) && !(element is HTMLDivElement) && !(element is HTMLParagraphElement) && element.IsSpecial)
break;
element = open[--num];
}
if (IsInButtonScope())
InBodyEndTagParagraph();
HTMLElement element2 = HTMLFactory.Create(tag.Name, doc);
AddElement(element2, tag, false);
}
private bool InBodyEndTagBlock(string tagName)
{
if (IsInScope(tagName)) {
GenerateImpliedEndTags();
if (CurrentNode.NodeName != tagName)
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
ClearStackBackTo(tagName);
CloseCurrentNode();
return true;
}
RaiseErrorOccurred(ErrorCode.BlockNotInScope);
return false;
}
private void HeisenbergAlgorithm(HtmlTagToken tag)
{
int num = 0;
int num2 = 0;
int num3 = 0;
int num4 = 0;
Element element;
Element element2;
while (true) {
if (num >= 8)
return;
num++;
num4 = 0;
element = null;
for (int num5 = formatting.Count - 1; num5 >= 0; num5--) {
if (formatting[num5] == null)
break;
if (formatting[num5].NodeName == tag.Name) {
num4 = num5;
element = formatting[num5];
break;
}
}
if (element == null) {
InBodyEndTagAnythingElse(tag);
return;
}
int num6 = open.IndexOf(element);
if (num6 == -1) {
RaiseErrorOccurred(ErrorCode.FormattingElementNotFound);
formatting.Remove(element);
return;
}
if (!IsInScope(element.NodeName)) {
RaiseErrorOccurred(ErrorCode.ElementNotInScope);
return;
}
if (num6 != open.Count - 1)
RaiseErrorOccurred(ErrorCode.TagClosedWrong);
element2 = null;
num3 = num4;
for (int i = num6 + 1; i < open.Count; i++) {
if (open[i].IsSpecial) {
num4 = i;
element2 = open[i];
break;
}
}
if (element2 == null)
break;
Element element3 = open[num6 - 1];
num2 = 0;
Element element4 = element2;
Element element5 = element2;
while (true) {
num2++;
element4 = open[--num4];
if (element4 == element)
break;
if (num2 > 3 && formatting.Contains(element4))
formatting.Remove(element4);
if (!formatting.Contains(element4))
open.Remove(element4);
else {
Element element6 = CopyElement(element4);
element3.AppendChild(element6);
open[num4] = element6;
for (int j = 0; j != formatting.Count; j++) {
if (formatting[j] == element4) {
formatting[j] = element6;
break;
}
}
element4 = element6;
if (element5 == element2)
num3++;
if (element5.ParentNode != null)
element5.ParentNode.RemoveChild(element5);
element4.AppendChild(element5);
element5 = element4;
}
}
if (element3.IsTableElement())
AddElementWithFoster(element5);
else {
if (element5.ParentNode != null)
element5.ParentNode.RemoveChild(element5);
element3.AppendChild(element5);
}
Element element7 = CopyElement(element);
while (element2.ChildNodes.Length > 0) {
element7.AppendChild(element2.RemoveChild(element2.ChildNodes[0]));
}
element2.AppendChild(element7);
formatting.Remove(element);
formatting.Insert(num3, element7);
open.Remove(element);
open.Insert(open.IndexOf(element2) + 1, element7);
}
do {
element2 = CurrentNode;
CloseCurrentNode();
} while (element2 != element);
formatting.Remove(element);
}
private Element CopyElement(Element element)
{
HTMLElement hTMLElement = HTMLFactory.Create(element.NodeName, doc);
hTMLElement.NodeName = element.NodeName;
for (int i = 0; i < element.Attributes.Length; i++) {
Attr attr = element.Attributes[i];
hTMLElement.SetAttribute(attr.NodeName, attr.NodeValue);
}
return hTMLElement;
}
private void InBodyWithFoster(HtmlToken token)
{
foster = true;
InBody(token);
foster = false;
}
private void InBodyEndTagAnythingElse(HtmlTagToken tag)
{
int num = open.Count - 1;
Element element = CurrentNode;
while (true) {
if (element.NodeName == tag.Name) {
GenerateImpliedEndTagsExceptFor(tag.Name);
if (element.NodeName == tag.Name)
RaiseErrorOccurred(ErrorCode.TagClosedWrong);
int num2 = open.Count - 1;
while (num <= num2) {
CloseCurrentNode();
num2--;
}
return;
}
if (element.IsSpecial)
break;
element = open[--num];
}
RaiseErrorOccurred(ErrorCode.TagClosedWrong);
}
private bool InBodyEndTagBody()
{
if (IsInScope<HTMLBodyElement>()) {
CheckBodyOnClosing();
insert = HtmlTreeMode.AfterBody;
return true;
}
RaiseErrorOccurred(ErrorCode.BodyNotInScope);
return false;
}
private void InBodyStartTagBreakrow(HtmlTagToken tag)
{
ReconstructFormatting();
HTMLElement element = HTMLFactory.Create(tag.Name, doc);
AddElement(element, tag, false);
CloseCurrentNode();
frameset = false;
}
private bool InBodyEndTagParagraph()
{
if (IsInButtonScope()) {
GenerateImpliedEndTagsExceptFor("p");
if (!(CurrentNode is HTMLParagraphElement))
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
ClearStackBackTo<HTMLParagraphElement>();
CloseCurrentNode();
return true;
}
RaiseErrorOccurred(ErrorCode.ParagraphNotInScope);
InBody(HtmlToken.OpenTag("p"));
InBodyEndTagParagraph();
return false;
}
private bool InTableEndTagTable()
{
if (IsInTableScope<HTMLTableElement>()) {
ClearStackBackTo<HTMLTableElement>();
CloseCurrentNode();
Reset(null);
return true;
}
RaiseErrorOccurred(ErrorCode.TableNotInScope);
return false;
}
private bool InRowEndTagTablerow()
{
if (IsInTableScope<HTMLTableRowElement>()) {
ClearStackBackTo<HTMLTableRowElement>();
CloseCurrentNode();
insert = HtmlTreeMode.InTableBody;
return true;
}
RaiseErrorOccurred(ErrorCode.TableRowNotInScope);
return false;
}
private void InSelectEndTagSelect()
{
ClearStackBackTo<HTMLSelectElement>();
CloseCurrentNode();
Reset(null);
}
private bool InCaptionEndTagCaption()
{
if (IsInTableScope<HTMLTableCaptionElement>()) {
GenerateImpliedEndTags();
if (!(CurrentNode is HTMLTableCaptionElement))
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
ClearStackBackTo<HTMLTableCaptionElement>();
CloseCurrentNode();
ClearFormattingElements();
insert = HtmlTreeMode.InTable;
return true;
}
RaiseErrorOccurred(ErrorCode.CaptionNotInScope);
return false;
}
private bool InCellEndTagCell()
{
if (IsInTableScope<HTMLTableCellElement>()) {
GenerateImpliedEndTags();
if (!(CurrentNode is HTMLTableCellElement))
RaiseErrorOccurred(ErrorCode.TagDoesNotMatchCurrentNode);
ClearStackBackTo<HTMLTableCellElement>();
CloseCurrentNode();
ClearFormattingElements();
insert = HtmlTreeMode.InRow;
return true;
}
RaiseErrorOccurred(ErrorCode.TableCellNotInScope);
return false;
}
private void Foreign(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character) {
HtmlCharacterToken htmlCharacterToken = (HtmlCharacterToken)token;
AddCharacters(htmlCharacterToken.Data.Replace(' ', '�'));
if (htmlCharacterToken.HasContent)
frameset = false;
} else if (token.Type == HtmlTokenType.Comment) {
AddComment(token);
} else if (token.Type == HtmlTokenType.DOCTYPE) {
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
} else if (token.Type == HtmlTokenType.StartTag) {
HtmlTagToken htmlTagToken = (HtmlTagToken)token;
switch (htmlTagToken.Name) {
case "b":
case "big":
case "blockquote":
case "body":
case "br":
case "center":
case "code":
case "dd":
case "div":
case "dl":
case "dt":
case "em":
case "embed":
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6":
case "head":
case "hr":
case "i":
case "img":
case "li":
case "listing":
case "main":
case "menu":
case "meta":
case "nobr":
case "ol":
case "p":
case "pre":
case "ruby":
case "s":
case "small":
case "span":
case "strong":
case "strike":
case "sub":
case "sup":
case "table":
case "tt":
case "u":
case "ul":
case "var":
ForeignNormalTag(token);
break;
case "font":
for (int i = 0; i != htmlTagToken.Attributes.Count; i++) {
if (htmlTagToken.Attributes[i].Key.IsOneOf("color", "face", "size")) {
ForeignNormalTag(token);
return;
}
}
ForeignSpecialTag(htmlTagToken);
break;
default:
ForeignSpecialTag(htmlTagToken);
break;
}
} else if (token.Type == HtmlTokenType.EndTag) {
HtmlTagToken htmlTagToken2 = (HtmlTagToken)token;
if (CurrentNode is HTMLScriptElement && htmlTagToken2.Name == "script")
RunScript();
else {
Element element = CurrentNode;
if (element.NodeName != htmlTagToken2.Name)
RaiseErrorOccurred(ErrorCode.TagClosingMismatch);
int num = open.Count - 1;
while (true) {
if (num <= 0)
return;
if (element.NodeName.Equals(htmlTagToken2.Name, StringComparison.OrdinalIgnoreCase)) {
open.RemoveRange(num + 1, open.Count - num - 1);
CloseCurrentNode();
return;
}
element = open[num - 1];
if (element.IsInHtml)
break;
num--;
}
Home(token);
}
}
}
private void ForeignSpecialTag(HtmlTagToken tag)
{
Element element = CreateForeignElementFrom(tag);
if (element != null) {
AddForeignElement(element);
if (!tag.IsSelfClosing) {
open.Add(element);
tokenizer.AcceptsCharacterData = true;
} else if (tag.Name == "script") {
Foreign(HtmlToken.CloseTag("script"));
}
}
}
private Element CreateForeignElementFrom(HtmlTagToken tag)
{
if (AdjustedCurrentNode.IsInMathML) {
MathElement mathElement = MathFactory.Create(tag.Name, doc);
for (int i = 0; i < tag.Attributes.Count; i++) {
string key = tag.Attributes[i].Key;
string value = tag.Attributes[i].Value;
mathElement.SetAdjustedAttribute(key.AdjustMathMLAttributeName(), value);
}
return mathElement;
}
if (AdjustedCurrentNode.IsInSvg) {
SVGElement sVGElement = SVGFactory.Create(tag.Name.AdjustSvgTagName(), doc);
for (int j = 0; j < tag.Attributes.Count; j++) {
string key2 = tag.Attributes[j].Key;
string value2 = tag.Attributes[j].Value;
sVGElement.SetAdjustedAttribute(key2.AdjustSvgAttributeName(), value2);
}
return sVGElement;
}
return null;
}
private void ForeignNormalTag(HtmlToken token)
{
RaiseErrorOccurred(ErrorCode.TagCannotStartHere);
do {
CloseCurrentNode();
} while (!CurrentNode.IsHtmlTIP && !CurrentNode.IsMathMLTIP && !CurrentNode.IsInHtml);
Consume(token);
}
private bool IsInScope(string tagName)
{
for (int num = open.Count - 1; num >= 0; num--) {
Element element = open[num];
if (element.NodeName == tagName)
return true;
if (element is IScopeElement)
return false;
}
return false;
}
private bool IsInScope<T>()
{
for (int num = open.Count - 1; num >= 0; num--) {
Element element = open[num];
if (element is T)
return true;
if (element is IScopeElement)
return false;
}
return false;
}
private bool IsInListItemScope()
{
for (int num = open.Count - 1; num >= 0; num--) {
Element element = open[num];
if (element is HTMLLIElement)
return true;
if (element is IListScopeElement)
return false;
}
return false;
}
private bool IsInButtonScope()
{
for (int num = open.Count - 1; num >= 0; num--) {
Element element = open[num];
if (element is HTMLParagraphElement)
return true;
if (element is IScopeElement || element is HTMLButtonElement)
return false;
}
return false;
}
private bool IsInTableScope<T>()
{
for (int num = open.Count - 1; num >= 0; num--) {
Element element = open[num];
if (element is T)
return true;
if (element is ITableScopeElement)
return false;
}
return false;
}
private bool IsInTableScope(string tagName)
{
for (int num = open.Count - 1; num >= 0; num--) {
Element element = open[num];
if (element.NodeName == tagName)
return true;
if (element is ITableScopeElement)
return false;
}
return false;
}
private bool IsInSelectScope(string tagName)
{
for (int num = open.Count - 1; num >= 0; num--) {
Element element = open[num];
if (element.NodeName == tagName)
return true;
if (!(element is ISelectScopeElement))
return false;
}
return false;
}
private void Kernel()
{
HtmlToken htmlToken;
do {
htmlToken = tokenizer.Get();
Consume(htmlToken);
} while (htmlToken.Type != HtmlTokenType.EOF);
}
private void RunScript()
{
doc.PerformMicrotaskCheckpoint();
doc.ProvideStableState();
HTMLScriptElement hTMLScriptElement = (HTMLScriptElement)CurrentNode;
CloseCurrentNode();
insert = originalInsert;
int insertionPoint = tokenizer.Stream.InsertionPoint;
nesting++;
hTMLScriptElement.Prepare();
nesting--;
tokenizer.Stream.InsertionPoint = insertionPoint;
if (pendingParsingBlock != null && nesting == 0) {
do {
hTMLScriptElement = pendingParsingBlock;
pendingParsingBlock = null;
doc.WaitForReady();
insertionPoint = tokenizer.Stream.InsertionPoint;
nesting++;
hTMLScriptElement.Run();
nesting--;
tokenizer.Stream.ResetInsertionPoint();
} while (pendingParsingBlock != null);
}
}
private void CheckBodyOnClosing()
{
int num = 0;
while (true) {
if (num >= open.Count)
return;
if (!(open[num] is IImplClosed))
break;
num++;
}
RaiseErrorOccurred(ErrorCode.BodyClosedWrong);
}
private bool TagCurrentlyOpen(string tagName)
{
for (int i = 0; i < open.Count; i++) {
if (open[i].TagName == tagName)
return true;
}
return false;
}
private void PreventNewLine()
{
HtmlToken htmlToken = tokenizer.Get();
if (htmlToken.Type == HtmlTokenType.Character)
((HtmlCharacterToken)htmlToken).RemoveNewLine();
Home(htmlToken);
}
private void SetCharset(string charset)
{
Encoding encoding = DocumentEncoding.Resolve(charset);
if (encoding != null) {
doc.InputEncoding = encoding.WebName;
tokenizer.Stream.Encoding = encoding;
}
}
private void End()
{
doc.ReadyState = Readiness.Interactive;
while (open.Count != 0) {
CloseCurrentNode();
}
while (doc.ScriptsWaiting != 0) {
doc.RunNextScript();
}
doc.QueueTask(doc.RaiseDomContentLoaded);
doc.QueueTask(doc.RaiseLoadedEvent);
if (doc.IsInBrowsingContext)
doc.QueueTask(doc.ShowPage);
doc.QueueTask(doc.EmptyAppCache);
if (doc.IsToBePrinted)
doc.Print();
doc.QueueTask(doc.FinishLoading);
}
private void AddDoctype(HtmlDoctypeToken doctypeToken)
{
DocumentType documentType = new DocumentType();
documentType.SystemId = doctypeToken.SystemIdentifier;
documentType.PublicId = doctypeToken.PublicIdentifier;
documentType.Name = doctypeToken.Name;
doc.AppendChild(documentType);
}
private void AddRoot(HtmlTagToken tag)
{
HTMLHtmlElement hTMLHtmlElement = new HTMLHtmlElement();
doc.AppendChild(hTMLHtmlElement);
SetupElement(hTMLHtmlElement, tag, false);
open.Add(hTMLHtmlElement);
tokenizer.AcceptsCharacterData = false;
hTMLHtmlElement.ApplyManifest();
}
private void AddComment(HtmlToken commentToken)
{
HtmlCommentToken htmlCommentToken = (HtmlCommentToken)commentToken;
Comment comment = new Comment();
comment.Data = htmlCommentToken.Data;
CurrentNode.AppendChild(comment);
}
private void AddComment(Node parent, HtmlToken commentToken)
{
HtmlCommentToken htmlCommentToken = (HtmlCommentToken)commentToken;
Comment comment = new Comment();
comment.Data = htmlCommentToken.Data;
parent.AppendChild(comment);
}
private void CloseCurrentNode()
{
if (open.Count > 0) {
open.RemoveAt(open.Count - 1);
Node adjustedCurrentNode = AdjustedCurrentNode;
tokenizer.AcceptsCharacterData = (adjustedCurrentNode != null && !adjustedCurrentNode.IsInHtml);
}
}
private void SetupElement(Element element, HtmlTagToken tag, bool acknowledgeSelfClosing)
{
element.NodeName = tag.Name;
if (tag.IsSelfClosing && !acknowledgeSelfClosing)
RaiseErrorOccurred(ErrorCode.TagCannotBeSelfClosed);
for (int i = 0; i < tag.Attributes.Count; i++) {
element.SetAttribute(tag.Attributes[i].Key, tag.Attributes[i].Value);
}
}
private void AddElement(HtmlTagToken tag, bool acknowledgeSelfClosing = false)
{
HTMLElement element = HTMLFactory.Create(tag.Name, doc);
SetupElement(element, tag, acknowledgeSelfClosing);
AddElement(element);
}
private void AddElement(Element element, HtmlTagToken tag, bool acknowledgeSelfClosing = false)
{
SetupElement(element, tag, acknowledgeSelfClosing);
AddElement(element);
}
private void AddElement(Element element)
{
Element currentNode = CurrentNode;
if (foster && currentNode.IsTableElement())
AddElementWithFoster(element);
else
currentNode.AppendChild(element);
open.Add(element);
tokenizer.AcceptsCharacterData = !element.IsInHtml;
}
private void AddElementWithFoster(Element element)
{
bool flag = false;
int num = open.Count;
while (--num != 0) {
if (open[num] is HTMLTemplateElement) {
HTMLTemplateElement hTMLTemplateElement = (HTMLTemplateElement)open[num];
hTMLTemplateElement.Content.AppendChild(element);
return;
}
if (open[num] is HTMLTableElement) {
flag = true;
break;
}
}
Node node = open[num].ParentNode ?? open[num + 1];
if (flag && open[num].ParentNode != null) {
int num2 = 0;
while (true) {
if (num2 >= node.ChildNodes.Length)
return;
if (node.ChildNodes[num2] == open[num])
break;
num2++;
}
node.InsertChild(num2, element);
} else
node.AppendChild(element);
}
private void AddForeignElement(Element element)
{
element.NamespaceURI = AdjustedCurrentNode.NamespaceURI;
CurrentNode.AppendChild(element);
}
private void AddCharacters(string text)
{
if (!string.IsNullOrEmpty(text)) {
if (foster && CurrentNode.IsTableElement())
AddCharactersWithFoster(text);
else
CurrentNode.AppendText(text);
}
}
private void AddCharactersWithFoster(string text)
{
bool flag = false;
int num = open.Count;
while (--num != 0) {
if (open[num] is HTMLTemplateElement) {
HTMLTemplateElement hTMLTemplateElement = (HTMLTemplateElement)open[num];
hTMLTemplateElement.Content.AppendText(text);
return;
}
if (open[num] is HTMLTableElement) {
flag = true;
break;
}
}
Node node = open[num].ParentNode ?? open[num + 1];
if (flag && open[num].ParentNode != null) {
int num2 = 0;
while (true) {
if (num2 >= node.ChildNodes.Length)
return;
if (node.ChildNodes[num2] == open[num])
break;
num2++;
}
node.InsertText(num2, text);
} else
node.AppendText(text);
}
private void AppendAttributes(HtmlTagToken tag, Element element)
{
foreach (KeyValuePair<string, string> attribute in tag.Attributes) {
if (!element.HasAttribute(attribute.Key))
element.SetAttribute(attribute.Key, attribute.Value);
}
}
private void ClearStackBackTo(string tagName)
{
while (CurrentNode.NodeName != tagName && !(CurrentNode is HTMLHtmlElement) && !(CurrentNode is HTMLTemplateElement)) {
CloseCurrentNode();
}
}
private void ClearStackBackTo<T>()
{
while (!(CurrentNode is T) && !(CurrentNode is HTMLHtmlElement) && !(CurrentNode is HTMLTemplateElement)) {
CloseCurrentNode();
}
}
private void GenerateImpliedEndTagsExceptFor(string tagName)
{
while (CurrentNode is IImpliedEnd && !(CurrentNode.NodeName == tagName)) {
CloseCurrentNode();
}
}
private void GenerateImpliedEndTags()
{
while (CurrentNode is IImpliedEnd) {
CloseCurrentNode();
}
}
private void AddScopeMarker()
{
formatting.Add(null);
}
private void AddFormattingElement(Element element)
{
int num = 0;
for (int num2 = formatting.Count - 1; num2 >= 0; num2--) {
Element element2 = formatting[num2];
if (element2 == null)
break;
if (element2.NodeName == element.NodeName && element2.Attributes.Equals(element.Attributes) && element2.NamespaceURI == element.NamespaceURI) {
num++;
if (num == 3) {
formatting.RemoveAt(num2);
break;
}
}
}
formatting.Add(element);
}
private void ClearFormattingElements()
{
while (formatting.Count != 0) {
int index = formatting.Count - 1;
Element element = formatting[index];
formatting.RemoveAt(index);
if (element == null)
break;
}
}
private void ReconstructFormatting()
{
if (formatting.Count != 0) {
int i = formatting.Count - 1;
Element element = formatting[i];
if (element != null && !open.Contains(element)) {
while (i > 0) {
element = formatting[--i];
if (element == null || open.Contains(element)) {
i++;
break;
}
}
for (; i < formatting.Count; i++) {
Element element2 = CopyElement(formatting[i]);
AddElement(element2);
formatting[i] = element2;
}
}
}
}
private void RaiseErrorOccurred(ErrorCode code)
{
if (this.ParseError != null) {
ParseErrorEventArgs parseErrorEventArgs = new ParseErrorEventArgs((int)code, Errors.GetError(code));
parseErrorEventArgs.Line = tokenizer.Stream.Line;
parseErrorEventArgs.Column = tokenizer.Stream.Column;
this.ParseError(this, parseErrorEventArgs);
}
}
}
}
