Package org.parboiled.matchers

Class TestMatcher

java.lang.Object
org.parboiled.trees.ImmutableGraphNode<Matcher>
org.parboiled.matchers.AbstractMatcher
org.parboiled.matchers.TestMatcher
All Implemented Interfaces:
Cloneable, Matcher, Rule, GraphNode<Matcher>
public class TestMatcher extends AbstractMatcher
A special Matcher not actually matching any input but rather trying its submatcher against the current input position. Succeeds if the submatcher would succeed.

  • Field Details

    • subMatcher

      public final Matcher subMatcher

  • Constructor Details

    • TestMatcher

      public TestMatcher(Rule subRule)

  • Method Details

    • match

      public boolean match(MatcherContext context)
      Description copied from interface: Matcher
      Tries a match on the given MatcherContext.
      Parameters:
      context - the MatcherContext
      Returns:
      true if the match was successful

    • accept

      public <R> R accept(MatcherVisitor<R> visitor)
      Description copied from interface: Matcher
      Accepts the given matcher visitor.
      Parameters:
      visitor - the visitor
      Returns:
      the value returned by the given visitor

    • getLabel

      public String getLabel()
      Specified by:
      getLabel in interface Matcher
      Overrides:
      getLabel in class AbstractMatcher
      Returns:
      the label of the matcher (which is identical to the label of the Rule this matcher matches)

    • hasCustomLabel

      public boolean hasCustomLabel()
      Specified by:
      hasCustomLabel in interface Matcher
      Overrides:
      hasCustomLabel in class AbstractMatcher
      Returns:
      true if this matcher has been assigned a custom label

    • defaultLabel

      public TestMatcher defaultLabel(String defaultLabel)