1  /*
     2   * Copyright the original author or authors.
     3   * 
     4   * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   * 
     8   *      http://www.mozilla.org/MPL/MPL-1.1.html
     9   * 
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16   
    17  import org.as2lib.regexp.node.Node; 
    18  import org.as2lib.regexp.node.TreeInfo;
    19  
    20  /**
    21   * {@code UnixDot} is a node class for the dot metacharacter when dotall is 
    22   * not enabled but UNIX_LINES is enabled.
    23   * 
    24   * @author Igor Sadovskiy
    25   */
    26   
    27  class org.as2lib.regexp.node.UnixDot extends Node {
    28  	
    29      public function UnixDot() {
    30          super();
    31      }
    32      
    33      public function match(matcher:Object, i:Number, seq:String):Boolean {
    34          if (i < matcher.to) {
    35              var ch:Number = seq.charCodeAt(i);
    36              return (ch != ord("\n") && next.match(matcher, i+1, seq));
    37          }
    38          return false;
    39      }
    40      
    41      public function study(info:TreeInfo):Boolean {
    42          info.minLength++;
    43          info.maxLength++;
    44          return next.study(info);
    45      }
    46  }
    47  
    48