/// <summary>
/// See 8.2.5.4.4 The "in head" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void InHead(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character)
{
var chars = (HtmlCharacterToken)token;
var str = chars.TrimStart();
InsertCharacters(str);
if (chars.IsEmpty)
return;
}
else if (token.Type == HtmlTokenType.Comment)
{
AddComment(CurrentNode, token);
return;
}
else if (token.Type == HtmlTokenType.DOCTYPE)
{
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
return;
}
else if (token.IsStartTag(HTMLHtmlElement.Tag))
{
InBody(token);
return;
}
else if (token.IsStartTag(HTMLBaseElement.Tag, HTMLBaseFontElement.Tag, HTMLBgsoundElement.Tag, HTMLLinkElement.Tag))
{
var name = ((HtmlTagToken)token).Name;
var element = HTMLElement.Factory(name);
AddElementToCurrentNode(element, token, true);
CloseCurrentNode();
return;
}
else if (token.IsStartTag(HTMLMetaElement.Tag))
{
var element = new HTMLMetaElement();
AddElementToCurrentNode(element, token, true);
CloseCurrentNode();
var charset = element.GetAttribute(HtmlEncoding.CHARSET);
if (charset != null && HtmlEncoding.IsSupported(charset))
{
SetCharset(charset);
return;
}
charset = element.GetAttribute("http-equiv");
if (charset != null && charset.Equals("Content-Type", StringComparison.OrdinalIgnoreCase))
{
charset = element.GetAttribute("content") ?? string.Empty;
charset = HtmlEncoding.Extract(charset);
if (HtmlEncoding.IsSupported(charset))
SetCharset(charset);
}
return;
}
else if (token.IsStartTag(HTMLTitleElement.Tag))
{
RCDataAlgorithm((HtmlTagToken)token);
return;
}
else if (token.IsStartTag(HTMLNoElement.NoFramesTag, HTMLStyleElement.Tag) || (doc.IsScripting && token.IsStartTag(HTMLNoElement.NoScriptTag)))
{
RawtextAlgorithm((HtmlTagToken)token);
return;
}
else if (token.IsStartTag(HTMLNoElement.NoScriptTag))
{
var element = new HTMLElement();
AddElementToCurrentNode(element, token);
insert = HtmlTreeMode.InHeadNoScript;
return;
}
else if (token.IsStartTag(HTMLScriptElement.Tag))
{
var element = new HTMLScriptElement();
//element.IsParserInserted = true;
//element.IsAlreadyStarted = fragment;
AddElementToCurrentNode(element, token);
tokenizer.Switch(HtmlParseMode.Script);
originalInsert = insert;
insert = HtmlTreeMode.Text;
return;
}
else if (token.IsEndTag(HTMLHeadElement.Tag))
{
CloseCurrentNode();
insert = HtmlTreeMode.AfterHead;
return;
}
else if (token.IsStartTag(HTMLHeadElement.Tag))
{
RaiseErrorOccurred(ErrorCode.HeadTagMisplaced);
return;
}
else if (token.IsEndTagInv(HTMLHtmlElement.Tag, HTMLBodyElement.Tag, HTMLBRElement.Tag))
{
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
return;
}
CloseCurrentNode();
insert = HtmlTreeMode.AfterHead;
AfterHead(token);
}
/// <summary>
/// See 8.2.5.4.5 The "in head noscript" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void InHeadNoScript(HtmlToken token)
{
if (token.Type == HtmlTokenType.DOCTYPE)
{
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
return;
}
else if (token.IsStartTag(HTMLHtmlElement.Tag))
{
InBody(token);
return;
}
else if (token.IsEndTag(HTMLNoElement.NoScriptTag))
{
CloseCurrentNode();
insert = HtmlTreeMode.InHead;
return;
}
else if (token.Type == HtmlTokenType.Character)
{
var chars = (HtmlCharacterToken)token;
var str = chars.TrimStart();
InsertCharacters(str);
if (chars.IsEmpty)
return;
}
else if (token.Type == HtmlTokenType.Comment)
{
InHead(token);
return;
}
else if (token.IsStartTag(HTMLBaseFontElement.Tag, HTMLBgsoundElement.Tag, HTMLLinkElement.Tag, HTMLMetaElement.Tag, HTMLNoElement.NoFramesTag, HTMLStyleElement.Tag))
{
InHead(token);
return;
}
else if (token.IsStartTag(HTMLHeadElement.Tag, HTMLNoElement.NoScriptTag))
{
RaiseErrorOccurred(ErrorCode.TagInappropriate);
return;
}
else if (token.IsEndTagInv(HTMLBRElement.Tag))
{
RaiseErrorOccurred(ErrorCode.TagCannotEndHere);
return;
}
RaiseErrorOccurred(ErrorCode.TokenNotPossible);
CloseCurrentNode();
insert = HtmlTreeMode.InHead;
InHead(token);
}
/// <summary>
/// See 8.2.5.4.12 The "in column group" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void InColumnGroup(HtmlToken token)
{
if (token.Type == HtmlTokenType.Character)
{
var chars = (HtmlCharacterToken)token;
var str = chars.TrimStart();
InsertCharacters(str);
}
else if (token.Type == HtmlTokenType.Comment)
AddComment(CurrentNode, token);
else if (token.Type == HtmlTokenType.DOCTYPE)
RaiseErrorOccurred(ErrorCode.DoctypeTagInappropriate);
else if (token.IsStartTag(HTMLHtmlElement.Tag))
InBody(token);
else if (token.IsStartTag(HTMLTableColElement.ColTag))
{
var element = new HTMLTableColElement();
AddElementToCurrentNode(element, token, true);
CloseCurrentNode();
}
else if (token.IsEndTag(HTMLTableColElement.ColgroupTag))
InColumnGroupEndTagColgroup();
else if (token.IsEndTag(HTMLTableColElement.ColTag))
RaiseErrorOccurred(ErrorCode.TagClosedWrong);
else if (token.Type == HtmlTokenType.EOF && CurrentNode == doc.DocumentElement)
End();
else if (InColumnGroupEndTagColgroup())
InTable(token);
}
