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Revision: 54351
at December 21, 2011 00:10 by adrianparr
Initial Code 
package 
{
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.net.URLLoader;
	import flash.net.URLLoaderDataFormat;
	import flash.net.URLRequest;
	
	public class Main extends Sprite 
	{
		private var _xmlFilename:String = "captions.xml";
		private var _subtitlesXml:XML;
		
		public function Main():void 
		{
			if (stage) init();
			else addEventListener(Event.ADDED_TO_STAGE, init);
		}
		
		private function init(e:Event = null):void 
		{
			removeEventListener(Event.ADDED_TO_STAGE, init);
			var urlLoader:URLLoader = new URLLoader();
			urlLoader.dataFormat = URLLoaderDataFormat.TEXT;
			urlLoader.addEventListener(Event.COMPLETE, onSubtitlesXmlLoadComplete);
			urlLoader.load(new URLRequest(_xmlFilename));
		}
		
		private function onSubtitlesXmlLoadComplete(e:Event):void 
		{
			_subtitlesXml = new XML(e.target.data);
			trace("ORIGINAL TIMEDTEXT XML:\n" + _subtitlesXml.toString());
			var myXmlStr:String = _subtitlesXml.toString();
			var xmlnsPattern:RegExp = new RegExp("xmlns[^\"]*\"[^\"]*\"", "gi");
			myXmlStr = myXmlStr.replace(xmlnsPattern, "");
			myXmlStr = myXmlStr.replace("aaa:lang=\"en\"", "");
			_subtitlesXml = new XML(myXmlStr);
			trace("MODIFIED TIMEDTEXT XML:\n" + _subtitlesXml.toString());

			var numCaptions:int = _subtitlesXml.body.div.p.length();
			trace("numCaptions: " + numCaptions);
		}
		
	}
}


/////////////////////////////////////////////////////////////////////
// captions.xml
/////////////////////////////////////////////////////////////////////
<?xml version="1.0" encoding="UTF-8"?>
<tt xml:lang="en" xmlns="http://www.w3.org/2006/04/ttaf1"  xmlns:tts="http://www.w3.org/2006/04/ttaf1#styling">
  <head>
    <styling>
    </styling>
  </head>
  <body>
    <div>
      <p begin="00:00:00.440">Caption 1 here</p>
      <p begin="00:00:08.799">Caption 2 here</p>
    </div>
  </body>
</tt>


/////////////////////////////////////////////////////////////////////
// OUTPUT
/////////////////////////////////////////////////////////////////////
ORIGINAL TIMEDTEXT XML:
<tt aaa:lang="en" xmlns="http://www.w3.org/2006/04/ttaf1" xmlns:tts="http://www.w3.org/2006/04/ttaf1#styling" xmlns:aaa="http://www.w3.org/XML/1998/namespace">
  <head>
    <styling/>
  </head>
  <body>
    <div>
      <p begin="00:00:00.440">Caption 1 here</p>
      <p begin="00:00:08.799">Caption 2 here</p>
    </div>
  </body>
</tt>
MODIFIED TIMEDTEXT XML:
<tt>
  <head>
    <styling/>
  </head>
  <body>
    <div>
      <p begin="00:00:00.440">Caption 1 here</p>
      <p begin="00:00:08.799">Caption 2 here</p>
    </div>
  </body>
</tt>
numCaptions: 2
Initial URL 









Initial Description





TimedText (TT) XML captions files can have namespaces that cause problems when parsing them in AS3. To get around this you can use this code to remove the namespace from the root XML node using Regex. This example uses









Initial Title





AS3 Parse TimedText (TT) XML Captions File









Initial Tags





xml, text









Initial Language





ActionScript 3