Class SubstringBefore

    • Constructor Detail

      • SubstringBefore

        public SubstringBefore()
    • Method Detail

      • isSubstringMatchingFunction

        public boolean isSubstringMatchingFunction()
        Description copied from class: CollatingFunctionFixed
        Ask whether this function needs a collation that can handle substring matching
        Overrides:
        isSubstringMatchingFunction in class CollatingFunctionFixed
        Returns:
        true in the case of functions such as contains() and starts-with() where substring matching is required. Returns false by default;
      • call

        public StringValue call​(XPathContext context,
                                Sequence[] arguments)
                         throws XPathException
        Evaluate the expression
        Parameters:
        context - the dynamic evaluation context
        arguments - the values of the arguments, supplied as Sequences
        Returns:
        the result of the evaluation, in the form of a Sequence
        Throws:
        XPathException - if a dynamic error occurs during the evaluation of the expression
      • getElaborator

        public Elaborator getElaborator()
        Make an elaborator for a system function call on this function
        Overrides:
        getElaborator in class SystemFunction
        Returns:
        a suitable elaborator; or null if no custom elaborator is available