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  class org.as2lib.regexp.node.Not extends Node {
    21  	
    22      private var atom:Node;
    23      
    24      public function Not(atom:Node) {
    25          this.atom = atom;
    26      }
    27      
    28      public function match(matcher:Object, i:Number, seq:String):Boolean {
    29          return (!atom.match(matcher, i, seq) && next.match(matcher, i+1, seq));
    30      }
    31      
    32      public function study(info:TreeInfo):Boolean {
    33          info.minLength++;
    34          info.maxLength++;
    35          return next.study(info);
    36      }
    37  }
    38  
    39
as2api