code: /*
  * Copyright 2014 Basis Technology Corp.
  *
  * Licensed 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 com.basistech.tclre;
  
  import com.google.common.base.MoreObjects;
  
  /**
   * Store information about a capturing pattern.
   */
  class RegMatch {
      final int start;
      final int end;
  
      RegMatch(int start, int end) {
          this.start = start;
          this.end = end;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
  
          RegMatch regMatch = (RegMatch)o;
  
          if (end != regMatch.end) {
              return false;
          }
  
          return start == regMatch.start;
  
      }
  
      @Override
      public int hashCode() {
          int result = start;
          result = 31 * result + end;
          return result;
      }
  
      @Override
      public String toString() {
          return MoreObjects.toStringHelper(this)
                  .add("start", start)
                  .add("end", end)
                  .toString();
      }
  }
  