source: plugins/captions/com/jeroenwijering/parsers/TTParser.as @ 317

/**
* Parse a TimedText XML and return an array of captions.
**/
package com.jeroenwijering.parsers {


import com.jeroenwijering.utils.Strings;


public class TTParser {


        /** 
        * Parse the captions XML.
        *
        * @param dat    The loaded XML, which must be in W3C TimedText format.
        * @return               An array with captions. 
        *                               Each caption is an object with 'begin' and 'text' parameters.
        **/
        public static function parseCaptions(dat:XML):Array {
                var arr:Array = new Array({begin:0,text:''});
                for each (var i:XML in dat.children()) {
                        if(i.localName() == "body") {
                                for each (var j:XML in i.children()) {
                                        for each (var k:XML in j.children()) {
                                                if(k.localName() == 'p') {
                                                        var obj:Object = TTParser.parseCaption(k);
                                                        arr.push(obj);
                                                        if(obj['end']) {
                                                                arr.push({begin:obj['end'],text:''});
                                                                delete obj['end'];
                                                        } else if (obj['dur']) {
                                                                arr.push({begin:obj['begin']+obj['dur'],text:''});
                                                                delete obj['dur'];
                                                        }
                                                }
                                        }
                                }
                        }
                }
                return arr;
        };


        /** Parse a single captions entry. **/
        private static function parseCaption(dat:XML):Object {
                var ptn:RegExp = /(\n<br.*>\n)+/;
                var obj:Object = {
                        begin:Strings.seconds(dat.@begin),
                        dur:Strings.seconds(dat.@dur),
                        end:Strings.seconds(dat.@end),
                        text:dat.children().toString().replace(ptn,'\n').replace(ptn,'\n')
                };
                return obj;
        };


}


}