RdfAParser Class

Class for reading RDF embedded as RDFa from within HTML web pages.

Inheritance Hierarchy

System.Object
VDS.RDF.Parsing.RdfAParserBase<HtmlDocument, HtmlNode, HtmlNode, HtmlAttribute>
VDS.RDF.Parsing.RdfAParser

Namespace: VDS.RDF.Parsing
Assembly: dotNetRDF (in dotNetRDF.dll) Version:

Syntax

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public class RdfAParser : RdfAParserBase<HtmlDocument, HtmlNode, HtmlNode, HtmlAttribute>

Public Class RdfAParser
	Inherits RdfAParserBase(Of HtmlDocument, HtmlNode, HtmlNode, HtmlAttribute)

The RdfAParser type exposes the following members.

Constructors

	Name	Description
	RdfAParser()	Creates a new RDFa Parser which will auto-detect which RDFa version to use (assumes 1.1 if none explicitly specified).
	RdfAParser(RdfASyntax)	Creates a new RDFa Parser which will use the specified RDFa syntax.

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Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetAttribute	Get the value of a particular attribute of an element. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetAttribute(TElement, String).)
	GetAttributeName	Get the name of an attribute. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetAttributeName(TAttribute).)
	GetAttributes	Get all attributes of an element. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetAttributes(TElement).)
	GetAttributeValue	Get the value of an attribute. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetAttributeValue(TAttribute).)
	GetBaseElement	Get the base element of the specified document. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetBaseElement(THtmlDocument).)
	GetChildren	Return the children of an element (in order). (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetChildren(TElement).)
	GetElementName	Get the name of an element. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetElementName(TElement).)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetHtmlElement	Get the html element of the document. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetHtmlElement(THtmlDocument).)
	GetInnerHtml	Get the HTML contained within an element as a string. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetInnerHtml(TElement).)
	GetInnerText	Get the inner text of an element or a text node. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GetInnerText(TNode).)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	GrabText	Get the text content of a node and add it to the provided output buffer. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.GrabText(StringBuilder, TNode).)
	HasAttribute	Determine if an element has a particular attribute. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.HasAttribute(TElement, String).)
	HasChildren	Determine if an element has children. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.HasChildren(TElement).)
	IsTextNode	Determine if a node in the parsed Html document tree is a text node. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.IsTextNode(TNode).)
	IsXmlBaseIsPermissible	Deterine if the HTML document can have an xml:base element. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.IsXmlBaseIsPermissible(THtmlDocument).)
	Load(IGraph, StreamReader)	Parses RDFa by extracting it from the HTML from the given input. (Inherited from RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.)
	Load(IGraph, TextReader)	Parses RDFa by extracting it from the HTML from the given input. (Inherited from RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.)
	Load(IGraph, String)	Parses RDFa by extracting it from the HTML from the given file. (Inherited from RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.)
	Load(IRdfHandler, StreamReader)	Parses RDFa by extracting it from the HTML from the given input. (Inherited from RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.)
	Load(IRdfHandler, TextReader)	Parses RDFa by extracting it from the HTML from the given input. (Inherited from RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.)
	Load(IRdfHandler, String)	Parses RDFa by extracting it from the HTML from the given input. (Inherited from RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.)
	LoadAndParse	Parse the input stream as an HTML document. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.LoadAndParse(TextReader).)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ProcessDocument	Process the content of an HTML document. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.ProcessDocument(RdfAParserContext<THtmlDocument>, RdfAEvaluationContext).)
	ProcessElement	Process the content of an element of the document. (Inherited from RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.)
	SetAttribute	Set the value of a particular attribute of an element. (Overrides RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.SetAttribute(TElement, String, String).)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Events

	Name	Description
	Warning	Event which is raised when there is a non-fatal error with the input being read (Inherited from RdfAParserBase<THtmlDocument, TElement, TNode, TAttribute>.)

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Remarks

The RDFa parser uses a HTML parser (Html Agility Pack) that is highly tolerant of real-world HTML and so is able to extract RDFa from pages that are not strictly valid HTML/XHTML.

Reference

VDS.RDF.Parsing Namespace