Package org.eclipse.jface.text.rules

Class WhitespaceRule

java.lang.Object
org.eclipse.jface.text.rules.WhitespaceRule
All Implemented Interfaces:
IRule
public class WhitespaceRule extends Object implements IRule
An implementation of IRule capable of detecting whitespace. A whitespace rule uses a whitespace detector in order to find out which characters are whitespace characters.
See Also:

  • Field Details

    • fDetector

      protected IWhitespaceDetector fDetector
      The whitespace detector used by this rule

    • fWhitespaceToken

      protected final IToken fWhitespaceToken
      The token returned for whitespace.
      Since:
      3.5

  • Constructor Details

    • WhitespaceRule

      public WhitespaceRule(IWhitespaceDetector detector)
      Creates a rule which, with the help of an whitespace detector, will return Token.WHITESPACE when a whitespace is detected.
      Parameters:
      detector - the rule's whitespace detector

    • WhitespaceRule

      public WhitespaceRule(IWhitespaceDetector detector, IToken token)
      Creates a rule which, with the help of an whitespace detector, will return the given whitespace token when a whitespace is detected.
      Parameters:
      detector - the rule's whitespace detector
      token - the token returned for whitespace
      Since:
      3.5

  • Method Details

    • evaluate

      public IToken evaluate(ICharacterScanner scanner)
      Evaluates the rule by examining the characters available from the provided character scanner. The token returned by this rule returns true when calling isUndefined, if the text that the rule investigated does not match the rule's requirements
      Specified by:
      evaluate in interface IRule
      Parameters:
      scanner - the character scanner to be used by this rule
      Returns:
      fWhitespaceToken if whitespace got detected, Token.UNDEFINED otherwise