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  
    19  /**
    20   * {@code Begin} as a node to anchor at the beginning of input. 
    21   * This object implements the match for a "\A" sequence, and the 
    22   * caret anchor will use this if not in multiline mode.
    23   * 
    24   * @author Igor Sadovskiy
    25   */
    26   
    27  class org.as2lib.regexp.node.Begin extends Node {
    28  	
    29      public function match(matcher:Object, i:Number, seq:String):Boolean {
    30          if (i == matcher.from && next.match(matcher, i, seq)) {
    31              matcher.first = i;
    32              matcher.groups[0] = i;
    33              matcher.groups[1] = matcher.last;
    34              return true;
    35          } else {
    36              return false;
    37          }
    38      }
    39  }
    40
as2api