| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You 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 org.apache.royale.utils.string |
| { |
| import org.apache.royale.debugging.assert; |
| /** |
| * Trims all whitespace off the beginning and end of a string. |
| * @langversion 3.0 |
| * @playerversion Flash 10.2 |
| * @playerversion AIR 2.6 |
| * @productversion Royale 0.9 |
| */ |
| public function trim(str:String):String |
| { |
| assert(str != null,"trim() cannot be called on null"); |
| |
| COMPILE::SWF |
| { |
| var startIndex:int = 0; |
| while (isWhitespace(str.charAt(startIndex))) |
| ++startIndex; |
| |
| var endIndex:int = str.length - 1; |
| while (isWhitespace(str.charAt(endIndex))) |
| --endIndex; |
| |
| if (endIndex >= startIndex) |
| return str.slice(startIndex, endIndex + 1); |
| else |
| return ""; |
| } |
| |
| COMPILE::JS |
| { |
| return str.trim(); |
| } |
| } |
| } |