content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.asterix.lexergenerator.rules;
  
  public class RuleAnythingUntil implements Rule {
  
      private char expected;
  
      public RuleAnythingUntil clone() {
          return new RuleAnythingUntil(expected);
      }
  
      public RuleAnythingUntil(char expected) {
          this.expected = expected;
      }
  
      @Override
      public String toString() {
          return " .* " + String.valueOf(expected);
      }
  
      @Override
      public int hashCode() {
          return 10 * (int) expected;
      }
  
      @Override
      public boolean equals(Object o) {
          if (o == null)
              return false;
          if (o instanceof RuleAnythingUntil) {
              if (((RuleAnythingUntil) o).expected == this.expected) {
                  return true;
              }
          }
          return false;
      }
  
      @Override
      public String javaAction() {
          return "currentChar = readNextChar();";
      }
  
      @Override
      public String javaMatch(String action) {
          return "boolean escaped = false;\n" + "while (currentChar != '" + expected + "' || escaped) {\n"
                  + "if(!escaped && currentChar == '\\\\\\\\') {\n" + "escaped = true;\n" + "containsEscapes = true;\n"
                  + "} else {\n" + "escaped = false;\n" + "}\n" + "currentChar = readNextChar();\n" + "}\n"
                  + "if (currentChar == '" + expected + "') {" + action + "}\n";
      }
  
  }
  