Class SubstringBeforeFunction

Represents the XPath fn:substring-before() function.
Inheritance
System.Object
BaseBinaryStringFunction
SubstringBeforeFunction
Implements
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: VDS.RDF.Query.Expressions.Functions.XPath.String
Assembly: dotNetRDF.dll
Syntax
public class SubstringBeforeFunction : BaseBinaryStringFunction, ISparqlExpression

Constructors

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SubstringBeforeFunction(ISparqlExpression, ISparqlExpression)

Creates a new XPath Substring Before function.
Declaration
public SubstringBeforeFunction(ISparqlExpression stringExpr, ISparqlExpression findExpr)
Parameters
Type Name Description
ISparqlExpression stringExpr Expression.
ISparqlExpression findExpr Search Expression.

Properties

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Functor

Gets the Functor of the Expression.
Declaration
public override string Functor { get; }
Property Value
Type Description
System.String
Overrides

Methods

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ToString()

Gets the String representation of the function.
Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
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Transform(IExpressionTransformer)

Transforms the Expression using the given Transformer.
Declaration
public override ISparqlExpression Transform(IExpressionTransformer transformer)
Parameters
Type Name Description
IExpressionTransformer transformer Expression Transformer.
Returns
Type Description
ISparqlExpression
Overrides
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ValueInternal(ILiteralNode, ILiteralNode)

Gets the Value of the function as applied to the given String Literal and Argument.
Declaration
public override IValuedNode ValueInternal(ILiteralNode stringLit, ILiteralNode arg)
Parameters
Type Name Description
ILiteralNode stringLit Simple/String typed Literal.
ILiteralNode arg Argument.
Returns
Type Description
IValuedNode
Overrides

Implements

Extension Methods