Class RegExpJsToJavaConverter


  • public class RegExpJsToJavaConverter
    extends java.lang.Object
    Translates JavaScript RegExp to Java RegExp.
    // [...\b...] to [...\cH...] // [...[...] to [...\[...] // [^\\1] to . // back reference in character classes are simply ignored by browsers [...ab\5cd...] to [...abcd...] // characters escaped without need should be "un-escaped" Escape curly braces that are not used in an expression like "{n}", "{n,}" or "{n,m}" (where n and m are positive integers).
    • Constructor Detail

      • RegExpJsToJavaConverter

        public RegExpJsToJavaConverter()
        Initiate the FSM.
    • Method Detail

      • convert

        public java.lang.String convert​(java.lang.String input)
        Run the state machine on a given input string.
        Parameters:
        input - the js regexp to process
        Returns:
        a valid java regex pattern
      • processCharClassStart

        private void processCharClassStart()
      • processCharClassEnd

        private void processCharClassEnd()
      • processRepetitionStart

        private void processRepetitionStart()
      • processRepetitionEnd

        private void processRepetitionEnd()
      • processSubExpressionStart

        private void processSubExpressionStart()
      • processSubExpressionEnd

        private void processSubExpressionEnd()
      • processEscapeSequence

        private void processEscapeSequence()
      • handleBackReferenceOrOctal

        private boolean handleBackReferenceOrOctal​(int aFirstChar)