HaxeFlixel/flixel

package flixel.graphics.frames.bmfont;

import UnicodeString;

using StringTools;

@:dox(hide)
@:noCompletion
class BMFontUtil
{
    static var attFinder = ~/(\w+?)=("?)(.*?)\2(?=\s|$)/;
    
    public static function forEachAttribute(text:UnicodeString, callback:(key:String, value:UnicodeString)->Void)
    {
        var index = 0;
        while (attFinder.match(text.substr(index)))
        {
            final key = attFinder.matched(1);
            final value = attFinder.matched(3);
            callback(key, value);
            
            final nextIndex = text.length - attFinder.matchedRight().length;
            if (nextIndex == index)
                throw 'Error parsing text: $text';
            index = nextIndex;
        }
    }
}