Class Matches

All Implemented Interfaces:
Callable, StatefulSystemFunction, Function, GroundedValue, Item, Sequence

public class Matches extends RegexFunction
This class implements the 3-argument matches() function for regular expression matching
  • Constructor Details

    • Matches

      public Matches()
  • Method Details

    • allowRegexMatchingEmptyString

      protected boolean allowRegexMatchingEmptyString()
      Specified by:
      allowRegexMatchingEmptyString in class RegexFunction
    • evalMatches

      public boolean evalMatches(AtomicValue input, AtomicValue regex, CharSequence flags, XPathContext context) throws XPathException
      Interface used by compiled bytecode
      Parameters:
      input - the value to be tested
      regex - the regular expression
      flags - the flags
      context - the dynamic context
      Returns:
      true if the string matches the regex
      Throws:
      XPathException - if a dynamic error occurs
    • call

      public BooleanValue 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
    • getCompilerName

      public String getCompilerName()
      Description copied from class: SystemFunction
      Get the (local) name of a class that can be used to generate bytecode for this system function
      Overrides:
      getCompilerName in class SystemFunction
      Returns:
      the name of a bytecode generation class, or null if there is no bytecode support for this function