HtmlDocument
sealed class HtmlDocument : Document, IHtmlDocument, IDocument, INode, IEventTarget, IMarkupFormattable, IParentNode, IGlobalEventHandlers, IDocumentStyle, INonElementParentNode, IDisposable
Represents a document node that contains only HTML nodes.
using AngleSharp.Dom;
using AngleSharp.Dom.Events;
using AngleSharp.Io;
using AngleSharp.Mathml.Dom;
using AngleSharp.Svg.Dom;
using AngleSharp.Text;
using System;
using System.Runtime.CompilerServices;
namespace AngleSharp.Html.Dom
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
internal sealed class HtmlDocument : Document, IHtmlDocument, IDocument, INode, IEventTarget, IMarkupFormattable, IParentNode, IGlobalEventHandlers, IDocumentStyle, INonElementParentNode, IDisposable
{
private readonly IElementFactory<Document, HtmlElement> _htmlFactory;
private readonly IElementFactory<Document, MathElement> _mathFactory;
private readonly IElementFactory<Document, SvgElement> _svgFactory;
public override IElement DocumentElement => this.FindChild<HtmlHtmlElement>();
public override IEntityProvider Entities => base.Context.GetProvider<IEntityProvider>() ?? HtmlEntityProvider.Resolver;
internal HtmlDocument([System.Runtime.CompilerServices.Nullable(2)] IBrowsingContext context, TextSource source)
: base(context ?? BrowsingContext.New(null), source)
{
base.ContentType = MimeTypeNames.Html;
_htmlFactory = base.Context.GetFactory<IElementFactory<Document, HtmlElement>>();
_mathFactory = base.Context.GetFactory<IElementFactory<Document, MathElement>>();
_svgFactory = base.Context.GetFactory<IElementFactory<Document, SvgElement>>();
}
[System.Runtime.CompilerServices.NullableContext(2)]
internal HtmlDocument(IBrowsingContext context = null)
: this(context, new TextSource(string.Empty))
{
}
public HtmlElement CreateHtmlElement(string name, [System.Runtime.CompilerServices.Nullable(2)] string prefix = null, NodeFlags flags = NodeFlags.None)
{
return _htmlFactory.Create(this, name, prefix, flags);
}
public MathElement CreateMathElement(string name, [System.Runtime.CompilerServices.Nullable(2)] string prefix = null, NodeFlags flags = NodeFlags.None)
{
return _mathFactory.Create(this, name, prefix, flags);
}
public SvgElement CreateSvgElement(string name, [System.Runtime.CompilerServices.Nullable(2)] string prefix = null, NodeFlags flags = NodeFlags.None)
{
return _svgFactory.Create(this, name, prefix, flags);
}
public override Element CreateElementFrom(string name, [System.Runtime.CompilerServices.Nullable(2)] string prefix, NodeFlags flags = NodeFlags.None)
{
return CreateHtmlElement(name, prefix, flags);
}
public override Node Clone(Document owner, bool deep)
{
TextSource source = new TextSource(base.Source.Text);
HtmlDocument htmlDocument = new HtmlDocument(base.Context, source);
CloneDocument(htmlDocument, deep);
return htmlDocument;
}
protected override string GetTitle()
{
IHtmlTitleElement htmlTitleElement = DocumentElement.FindDescendant<IHtmlTitleElement>(1024);
return ((htmlTitleElement != null) ? htmlTitleElement.TextContent.CollapseAndStrip() : null) ?? base.GetTitle();
}
[System.Runtime.CompilerServices.NullableContext(2)]
protected override void SetTitle(string value)
{
IHtmlTitleElement htmlTitleElement = DocumentElement.FindDescendant<IHtmlTitleElement>(1024);
if (htmlTitleElement == null) {
IHtmlHeadElement head = base.Head;
if (head == null)
return;
htmlTitleElement = new HtmlTitleElement(this, null);
head.AppendChild(htmlTitleElement);
}
htmlTitleElement.TextContent = value;
}
}
}
