本文整理汇总了C#中HtmlTreeMode类的典型用法代码示例。如果您正苦于以下问题：C# HtmlTreeMode类的具体用法？C# HtmlTreeMode怎么用？C# HtmlTreeMode使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
HtmlTreeMode类属于命名空间，在下文中一共展示了HtmlTreeMode类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: HtmlDomBuilder
/// <summary>
/// Creates a new instance of the HTML parser with the specified
/// document based on the given source manager.
/// </summary>
/// <param name="document">
/// The document instance to be constructed.
/// </param>
internal HtmlDomBuilder(HtmlDocument document)
{
_tokenizer = new HtmlTokenizer(document.Source, document.Options.Events);
_document = document;
_openElements = new List<Element>();
_templateModes = new Stack<HtmlTreeMode>();
_formattingElements = new List<Element>();
_frameset = true;
_currentMode = HtmlTreeMode.Initial;
}示例2: HtmlDomBuilder
/// <summary>
/// Creates a new instance of the HTML parser with the specified
/// document based on the given source manager.
/// </summary>
/// <param name="document">
/// The document instance to be constructed.
/// </param>
internal HtmlDomBuilder(HtmlDocument document)
{
var resolver = document.Options.GetService<IEntityService>() ?? HtmlEntityService.Resolver;
_tokenizer = new HtmlTokenizer(document.Source, document.Options.Events, resolver);
_document = document;
_openElements = new List<Element>();
_templateModes = new Stack<HtmlTreeMode>();
_formattingElements = new List<Element>();
_frameset = true;
_currentMode = HtmlTreeMode.Initial;
}示例3: HtmlDomBuilder
/// <summary>
/// Creates a new instance of the HTML parser with the specified
/// document based on the given source manager.
/// </summary>
/// <param name="document">
/// The document instance to be constructed.
/// </param>
public HtmlDomBuilder(HtmlDocument document)
{
var options = document.Options;
var context = document.Context;
var resolver = options.GetProvider<IEntityProvider>() ?? HtmlEntityService.Resolver;
_tokenizer = new HtmlTokenizer(document.Source, resolver);
_tokenizer.Error += (_, error) => context.Fire(error);
_document = document;
_openElements = new List<Element>();
_templateModes = new Stack<HtmlTreeMode>();
_formattingElements = new List<Element>();
_frameset = true;
_currentMode = HtmlTreeMode.Initial;
_htmlFactory = options.GetFactory<IElementFactory<HtmlElement>>();
_mathFactory = options.GetFactory<IElementFactory<MathElement>>();
_svgFactory = options.GetFactory<IElementFactory<SvgElement>>();
}示例4: InBodyEndTagBody
/// <summary>
/// Act as if an body end tag has been found in the InBody state.
/// </summary>
/// <param name="token">The actual tag token.</param>
/// <returns>True if the token was not ignored, otherwise false.</returns>
Boolean InBodyEndTagBody(HtmlToken token)
{
if (IsInScope(TagNames.Body))
{
CheckBodyOnClosing(token);
_currentMode = HtmlTreeMode.AfterBody;
return true;
}
else
{
RaiseErrorOccurred(HtmlParseError.BodyNotInScope, token);
return false;
}
}示例5: RCDataAlgorithm
/// <summary>
/// Follows the generic RCData parsing algorithm.
/// </summary>
/// <param name="tag">The given tag token.</param>
void RCDataAlgorithm(HtmlTagToken tag)
{
AddElement(tag);
_previousMode = _currentMode;
_currentMode = HtmlTreeMode.Text;
_tokenizer.State = HtmlParseMode.RCData;
}示例6: BeforeHead
/// <summary>
/// See 8.2.5.4.3 The "before head" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void BeforeHead(HtmlToken token)
{
switch (token.Type)
{
case HtmlTokenType.Character:
{
token.TrimStart();
if (token.IsEmpty)
return;
break;
}
case HtmlTokenType.StartTag:
{
var tagName = token.Name;
if (tagName.Is(TagNames.Html))
{
InBody(token);
return;
}
else if (tagName.Is(TagNames.Head))
{
AddElement(new HtmlHeadElement(_document), token.AsTag());
_currentMode = HtmlTreeMode.InHead;
return;
}
break;
}
case HtmlTokenType.EndTag:
{
if (TagNames.AllBeforeHead.Contains(token.Name))
break;
RaiseErrorOccurred(HtmlParseError.TagCannotEndHere, token);
return;
}
case HtmlTokenType.Comment:
{
CurrentNode.AddComment(token);
return;
}
case HtmlTokenType.Doctype:
{
RaiseErrorOccurred(HtmlParseError.DoctypeTagInappropriate, token);
return;
}
}
BeforeHead(HtmlTagToken.Open(TagNames.Head));
InHead(token);
}示例7: InTable
/// <summary>
/// See 8.2.5.4.9 The "in table" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void InTable(HtmlToken token)
{
switch (token.Type)
{
case HtmlTokenType.Comment:
{
CurrentNode.AddComment(token);
return;
}
case HtmlTokenType.Doctype:
{
RaiseErrorOccurred(HtmlParseError.DoctypeTagInappropriate, token);
return;
}
case HtmlTokenType.StartTag:
{
var tagName = token.Name;
if (tagName.Is(TagNames.Caption))
{
ClearStackBackTo(TagNames.Table);
_formattingElements.AddScopeMarker();
AddElement(new HtmlTableCaptionElement(_document), token.AsTag());
_currentMode = HtmlTreeMode.InCaption;
}
else if (tagName.Is(TagNames.Colgroup))
{
ClearStackBackTo(TagNames.Table);
AddElement(new HtmlTableColgroupElement(_document), token.AsTag());
_currentMode = HtmlTreeMode.InColumnGroup;
}
else if (tagName.Is(TagNames.Col))
{
InTable(HtmlTagToken.Open(TagNames.Colgroup));
InColumnGroup(token);
}
else if (TagNames.AllTableSections.Contains(tagName))
{
ClearStackBackTo(TagNames.Table);
AddElement(new HtmlTableSectionElement(_document, tagName), token.AsTag());
_currentMode = HtmlTreeMode.InTableBody;
}
else if (TagNames.AllTableCellsRows.Contains(tagName))
{
InTable(HtmlTagToken.Open(TagNames.Tbody));
InTableBody(token);
}
else if (tagName.Is(TagNames.Table))
{
RaiseErrorOccurred(HtmlParseError.TableNesting, token);
if (InTableEndTagTable(token))
Home(token);
}
else if (tagName.Is(TagNames.Input))
{
var tag = token.AsTag();
if (tag.GetAttribute(AttributeNames.Type).Isi(AttributeNames.Hidden))
{
RaiseErrorOccurred(HtmlParseError.InputUnexpected, token);
AddElement(new HtmlInputElement(_document), tag, true);
CloseCurrentNode();
}
else
{
RaiseErrorOccurred(HtmlParseError.TokenNotPossible, token);
InBodyWithFoster(token);
}
}
else if (tagName.Is(TagNames.Form))
{
RaiseErrorOccurred(HtmlParseError.FormInappropriate, token);
if (_currentFormElement == null)
{
_currentFormElement = new HtmlFormElement(_document);
AddElement(_currentFormElement, token.AsTag());
CloseCurrentNode();
}
}
else if (TagNames.AllTableHead.Contains(tagName))
{
InHead(token);
}
else
{
RaiseErrorOccurred(HtmlParseError.IllegalElementInTableDetected, token);
InBodyWithFoster(token);
}
return;
}
case HtmlTokenType.EndTag:
{
var tagName = token.Name;
//.........这里部分代码省略.........
示例8: InCellEndTagCell
/// <summary>
/// Act as if an td or th end tag has been found in the InCell state.
/// </summary>
/// <param name="token">The actual tag token.</param>
/// <returns>True if the token was not ignored, otherwise false.</returns>
Boolean InCellEndTagCell(HtmlToken token)
{
if (IsInTableScope(TagNames.AllTableCells))
{
GenerateImpliedEndTags();
if (!TagNames.AllTableCells.Contains(CurrentNode.LocalName))
RaiseErrorOccurred(HtmlParseError.TagDoesNotMatchCurrentNode, token);
ClearStackBackTo(TagNames.AllTableCells);
CloseCurrentNode();
_formattingElements.ClearFormatting();
_currentMode = HtmlTreeMode.InRow;
return true;
}
else
{
RaiseErrorOccurred(HtmlParseError.TableCellNotInScope, token);
return false;
}
}示例9: Initial
/// <summary>
/// See 8.2.5.4.1 The "initial" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void Initial(HtmlToken token)
{
switch (token.Type)
{
case HtmlTokenType.Doctype:
{
var doctype = (HtmlDoctypeToken)token;
if (!doctype.IsValid)
RaiseErrorOccurred(HtmlParseError.DoctypeInvalid, token);
_document.AddNode(new DocumentType(_document, doctype.Name ?? String.Empty)
{
SystemIdentifier = doctype.SystemIdentifier,
PublicIdentifier = doctype.PublicIdentifier
});
if (doctype.IsFullQuirks)
_document.QuirksMode = QuirksMode.On;
else if (doctype.IsLimitedQuirks)
_document.QuirksMode = QuirksMode.Limited;
_currentMode = HtmlTreeMode.BeforeHtml;
return;
}
case HtmlTokenType.Character:
{
token.TrimStart();
if (token.IsEmpty)
return;
break;
}
case HtmlTokenType.Comment:
{
_document.AddComment(token);
return;
}
}
if (_options.IsEmbedded == false)
{
RaiseErrorOccurred(HtmlParseError.DoctypeMissing, token);
_document.QuirksMode = QuirksMode.On;
}
_currentMode = HtmlTreeMode.BeforeHtml;
BeforeHtml(token);
}示例10: AfterFrameset
/// <summary>
/// See 8.2.5.4.21 The "after frameset" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void AfterFrameset(HtmlToken token)
{
switch (token.Type)
{
case HtmlTokenType.Character:
{
var str = token.TrimStart();
AddCharacters(str);
if (token.IsEmpty)
return;
break;
}
case HtmlTokenType.Comment:
{
CurrentNode.AddComment(token);
return;
}
case HtmlTokenType.Doctype:
{
RaiseErrorOccurred(HtmlParseError.DoctypeTagInappropriate, token);
return;
}
case HtmlTokenType.StartTag:
{
var tagName = token.Name;
if (tagName.Is(TagNames.Html))
InBody(token);
else if (tagName.Is(TagNames.NoFrames))
InHead(token);
else
break;
return;
}
case HtmlTokenType.EndTag:
{
if (!token.Name.Is(TagNames.Html))
break;
_currentMode = HtmlTreeMode.AfterAfterFrameset;
return;
}
case HtmlTokenType.EndOfFile:
{
End();
return;
}
}
RaiseErrorOccurred(HtmlParseError.TokenNotPossible, token);
}示例11: Reset
/// <summary>
/// Resets the current insertation mode to the rules according to the
/// algorithm specified in 8.2.3.1 The insertion mode.
/// http://www.w3.org/html/wg/drafts/html/master/syntax.html#the-insertion-mode
/// </summary>
void Reset(Element context = null)
{
var last = false;
var node = default(Element);
for (var i = _openElements.Count - 1; i >= 0; i--)
{
node = _openElements[i];
if (i == 0)
{
last = true;
node = context ?? node;
}
var tagName = node.LocalName;
if (tagName.Is(TagNames.Select))
_currentMode = HtmlTreeMode.InSelect;
else if (TagNames.AllTableCells.Contains(tagName))
_currentMode = last ? HtmlTreeMode.InBody : HtmlTreeMode.InCell;
else if (tagName.Is(TagNames.Tr))
_currentMode = HtmlTreeMode.InRow;
else if (TagNames.AllTableSections.Contains(tagName))
_currentMode = HtmlTreeMode.InTableBody;
else if (tagName.Is(TagNames.Body))
_currentMode = HtmlTreeMode.InBody;
else if (tagName.Is(TagNames.Table))
_currentMode = HtmlTreeMode.InTable;
else if (tagName.Is(TagNames.Caption))
_currentMode = HtmlTreeMode.InCaption;
else if (tagName.Is(TagNames.Colgroup))
_currentMode = HtmlTreeMode.InColumnGroup;
else if (tagName.Is(TagNames.Template))
_currentMode = _templateModes.Peek();
else if (tagName.Is(TagNames.Html))
_currentMode = HtmlTreeMode.BeforeHead;
else if (tagName.Is(TagNames.Head))
_currentMode = last ? HtmlTreeMode.InBody : HtmlTreeMode.InHead;
else if (tagName.Is(TagNames.Frameset))
_currentMode = HtmlTreeMode.InFrameset;
else if (last)
_currentMode = HtmlTreeMode.InBody;
else
continue;
break;
}
}示例12: Restart
/// <summary>
/// Restarts the parser by resetting the internal state.
/// </summary>
void Restart()
{
_currentMode = HtmlTreeMode.Initial;
_tokenizer.State = HtmlParseMode.PCData;
_document.ReplaceAll(null, true);
_frameset = true;
_openElements.Clear();
_formattingElements.Clear();
_templateModes.Clear();
}示例13: InFrameset
/// <summary>
/// See 8.2.5.4.20 The "in frameset" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void InFrameset(HtmlToken token)
{
switch (token.Type)
{
case HtmlTokenType.Character:
{
var str = token.TrimStart();
AddCharacters(str);
if (token.IsEmpty)
return;
break;
}
case HtmlTokenType.Comment:
{
CurrentNode.AddComment(token);
return;
}
case HtmlTokenType.Doctype:
{
RaiseErrorOccurred(HtmlParseError.DoctypeTagInappropriate, token);
return;
}
case HtmlTokenType.StartTag:
{
var tagName = token.Name;
if (tagName.Is(TagNames.Html))
InBody(token);
else if (tagName.Is(TagNames.Frameset))
AddElement(new HtmlFrameSetElement(_document), token.AsTag());
else if (tagName.Is(TagNames.Frame))
{
AddElement(new HtmlFrameElement(_document), token.AsTag(), true);
CloseCurrentNode();
}
else if (tagName.Is(TagNames.NoFrames))
InHead(token);
else
break;
return;
}
case HtmlTokenType.EndTag:
{
if (!token.Name.Is(TagNames.Frameset))
break;
if (CurrentNode != _openElements[0])
{
CloseCurrentNode();
if (!IsFragmentCase && !CurrentNode.LocalName.Is(TagNames.Frameset))
_currentMode = HtmlTreeMode.AfterFrameset;
}
else
RaiseErrorOccurred(HtmlParseError.CurrentNodeIsRoot, token);
return;
}
case HtmlTokenType.EndOfFile:
{
if (CurrentNode != _document.DocumentElement)
RaiseErrorOccurred(HtmlParseError.CurrentNodeIsNotRoot, token);
End();
return;
}
}
RaiseErrorOccurred(HtmlParseError.TokenNotPossible, token);
}示例14: AfterBody
/// <summary>
/// See 8.2.5.4.19 The "after body" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void AfterBody(HtmlToken token)
{
switch (token.Type)
{
case HtmlTokenType.Character:
{
var str = token.TrimStart();
ReconstructFormatting();
AddCharacters(str);
if (token.IsEmpty)
return;
break;
}
case HtmlTokenType.Comment:
{
_openElements[0].AddComment(token);
return;
}
case HtmlTokenType.Doctype:
{
RaiseErrorOccurred(HtmlParseError.DoctypeTagInappropriate, token);
return;
}
case HtmlTokenType.StartTag:
{
if (token.Name.Is(TagNames.Html))
{
InBody(token);
return;
}
break;
}
case HtmlTokenType.EndTag:
{
if (token.Name.Is(TagNames.Html))
{
if (IsFragmentCase)
RaiseErrorOccurred(HtmlParseError.TagInvalidInFragmentMode, token);
else
_currentMode = HtmlTreeMode.AfterAfterBody;
return;
}
break;
}
case HtmlTokenType.EndOfFile:
{
End();
return;
}
}
RaiseErrorOccurred(HtmlParseError.TokenNotPossible, token);
_currentMode = HtmlTreeMode.InBody;
InBody(token);
}示例15: InRow
/// <summary>
/// See 8.2.5.4.14 The "in row" insertion mode.
/// </summary>
/// <param name="token">The passed token.</param>
void InRow(HtmlToken token)
{
switch (token.Type)
{
case HtmlTokenType.StartTag:
{
var tagName = token.Name;
if (TagNames.AllTableCells.Contains(tagName))
{
ClearStackBackTo(TagNames.Tr);
AddElement(token.AsTag());
_currentMode = HtmlTreeMode.InCell;
_formattingElements.AddScopeMarker();
}
else if (tagName.Is(TagNames.Tr) || TagNames.AllTableGeneral.Contains(tagName))
{
if (InRowEndTagTablerow(token))
InTableBody(token);
}
else
{
break;
}
return;
}
case HtmlTokenType.EndTag:
{
var tagName = token.Name;
if (tagName.Is(TagNames.Tr))
{
InRowEndTagTablerow(token);
}
else if (tagName.Is(TagNames.Table))
{
if (InRowEndTagTablerow(token))
InTableBody(token);
}
else if (TagNames.AllTableSections.Contains(tagName))
{
if (IsInTableScope(tagName))
{
InRowEndTagTablerow(token);
InTableBody(token);
}
else
RaiseErrorOccurred(HtmlParseError.TableSectionNotInScope, token);
}
else if (TagNames.AllTableSpecial.Contains(tagName))
{
RaiseErrorOccurred(HtmlParseError.TagCannotEndHere, token);
}
else
{
break;
}
return;
}
}
InTable(token);
}