as2lib 0.9

     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.core.BasicClass;
    18  import org.as2lib.util.Stringifier;
    19  import org.as2lib.data.holder.Stack;
    20  
    21  /**
    22   * {@code StackStringifier} stringifies instances of type {@link Stack}.
    23   *
    24   * @author Simon Wacker
    25   */
    26  class org.as2lib.data.holder.stack.StackStringifier extends BasicClass implements Stringifier {
    27  	
    28  	/**
    29  	 * Returns the string representation of the passed-in {@code target} stack.
    30  	 *
    31  	 * <p>{@code target} must be an instance of type {@code Stack}.
    32  	 * 
    33  	 * <p>The string representation is constructed as follows:
    34  	 * <pre>
    35  	 *   [lastlyAddedValue, penultimatelyAddedValue, ...]
    36  	 * </pre>
    37  	 * 
    38  	 * @param target the target stack to stringify
    39  	 * @return the string representation of the passed-in {@code target} stack
    40  	 */
    41  	public function execute(target):String {
    42  		var stack:Stack = target;
    43  		var result:String = "[";
    44  		var array:Array = stack.toArray();
    45  		for (var i:Number = 0; i < array.length; i++) {
    46  			result += array[i].toString();
    47  			if (i < array.length-1) {
    48  				result += ", ";
    49  			}
    50  		}
    51  		result += "]";
    52  		return result;
    53  	}
    54  	
    55  }