frameworks/projects/Core/src/main/royale/org/apache/royale/utils/CompressionUtils.as

////////////////////////////////////////////////////////////////////////////////
//
//  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
{
	COMPILE::SWF
	{
		import flash.utils.ByteArray;
	}
	
	public class CompressionUtils
	{
        /**
         * The Royale Compiler will inject html into the index.html file.  Surround with
         * "inject_html" tag as follows:
         *
         * <inject_html>
         * <script src="https://cdnjs.cloudflare.com/ajax/libs/pako/1.0.3/pako.min.js"></script>
         * </inject_html>
		 * 
         *  Constructor.
         *  
         *  @langversion 3.0
         *  @playerversion Flash 10.2
         *  @playerversion AIR 2.6
         *  @productversion Royale 0.0
         */
		public function CompressionUtils()
		{
		}

		COMPILE::SWF
		public static function inflate(data:BinaryData):BinaryData
		{
			var ba:ByteArray = new ByteArray();
			ba.writeBytes(data.array);
			ba.inflate();
			return new BinaryData(ba);
		}

		COMPILE::JS
		public static function inflate(data:BinaryData):BinaryData
		{
			return new BinaryData(window["pako"].inflate(data.array).buffer);
		}

		COMPILE::SWF
		public static function deflate(data:BinaryData):BinaryData
		{
			var ba:ByteArray = new ByteArray();
			ba.writeBytes(data.array);
			ba.deflate();
			return new BinaryData(ba);
		}

		COMPILE::JS
		public static function deflate(data:BinaryData):BinaryData
		{
			return new BinaryData(window["pako"].deflate(data.array).buffer);
		}

	}
}