package uqee.core.utils
{
 import flash.display.DisplayObject;
 import flash.utils.describeType;
 import flash.utils.getTimer;


     public final class XmlUtils
    {
  /**将xml对象转变成为一个类对象*/
  public static function XmlToObject( obj:Object, node:XML ):void {
   var attrs:XMLList = node.attributes();
   for(var i:int = 0; i < attrs.length(); i++)
   {
    var prop:String = attrs[i].localName();
    if( obj.hasOwnProperty(prop) ) {
     if( obj[prop] is Boolean ) {
      obj[prop] = attrs[i].toString()=="1";
     } else {
      obj[prop] = attrs[i];
     }
    }
   }
  }

  /**将一个object对象转换成xml*/
  public static function ObjectToXml( obj:Object, node:XML ):void {
   var xml:XML = describeType( obj );
   var list:XMLList = xml.variable;
   for each( var prop:XML in list ) {
    var n:String = prop.@name.toString();
    switch( prop.@type.toString().toLowerCase() ) {
     case "boolean":
      node.@[n] = obj[n] ? 1 : 0;
      break;
     case "int":
     case "number":
     case "uint":
     case "string":
      node.@[n] = obj[n];
      break;
    }
   }
   list = xml.accessor.(@access=="readwrite");
   for each( var prop2:XML in list ) {
    var n2:String = prop2.@name.toString();
    switch( prop2.@type.toString().toLowerCase() ) {
     case "boolean":
      node.@[n2] = obj[n2] ? 1 : 0;
      break;
     case "int":
     case "number":
     case "uint":
     case "string":
      node.@[n2] = obj[n2];
      break;
    }
   }
  }

  /**获取一个xml文件里面的一个节点
   * @param fileName xml文件名称
   * @param tagName 节点名称
   * @param ident 节点中属性attr对应的值
   * @param attr 属性名称
   * */
        public static function GetNode( fileName:String, tagName:String, ident:*, attr:String = "ident" ):XML
        {
            var xml:XML = ResourceReader.GetXml( fileName );

            if ( xml )
            {
                var list:XMLList = xml[tagName].(@[attr]==ident);

                if ( list.length()>0 )
                {
                    return list[0];
                }
            }
            return null;
        }
       
  /**
   * 返回xml中的一个xmllist
   * @param fileName xml文件名称
   * @param tagName 子节点名称
   * @param subTagName 子节点的子节点名称
   * @param ident 属性参考值
   * @param attr 节点属性参考值
   * */
        public static function GetNodeList( fileName:String, tagName:String, subTagName:String = "", ident:* = -1, attr:String = "ident" ):XMLList
        {
            var xml:XML = ResourceReader.GetXml( fileName );

            if ( xml )
            {
                var list:XMLList;

                if ( subTagName )
                {
                    list = xml[tagName][subTagName];
                }
                else
                {
                    list = xml[tagName];
                }

                if ( ident==-1 )
                {
                    return list;
                }
                return list.(@[attr]==ident);
            }
            return new XMLList();
        }

        /**
         * 如果有URL则返回相应URL，否则通过id取对象<br/>
         * 示例：<br/>
         * GetXmlImage( node, "icon" );<br/>
         * 如果 node=&lt;Object icon="0.gif" /&gt;;<br/>
         * 则返回 "resource/Image/0.gif";<br/>
         * 如果 node=&lt;Object iconId="1001" /&gt;;<br/>
         * 则返回 ResourceReader.GetImageByIdent( iconId );
         */
        public static function GetXmlImage( node:XML, attr:String = "icon", className:String = null ):Object
        {
            if ( node==null )
            {
                return null;
            }
            var val:String = node.@[attr];

            if ( val )
            {
    var obj:DisplayObject = ResourceReader.GetImage( val );
    if( obj ) {
     return obj;
    }
                return "resource/Image/" + val;
            }

            if ( !className )
            {
                className = node.@[attr+"Class"];
            }

            var ident:int = node.@[attr+"Id"];

            if ( ident>0 )
            {
                var flip:Boolean = node.@flip=="1";
    
                return ResourceReader.GetImageByIdent( ident, className, flip );
            }

            if ( className )
            {
                return ClassLoader.GetInstance( className );
            }
            return null;
        }

        /**
         * 如果有字符则返回相应内容，否则通过id取对象<br/>
         * 示例：<br/>
         * GetXmlText( node, "name" );<br/>
         * 如果 node=&lt;Object name="天水" /&gt;;<br/>
         * 则返回 "天水";<br/>
         * 如果 node=&lt;Object nameId="1001" /&gt;;<br/>
         * 则返回 ReaderFactory.TextReader.GetText( nameId );
         */
        public static function GetXmlText( node:XML, attr:String = "name" ):String
        {
            var val:String = node.@[attr];

            if ( val )
            {
                return val;
            }

            var ident:String = node.@[attr+"Id"];

            if ( ident )
            {
    return ResourceReader.GetTextCont( ident );
            }
            return "";
        }
  
  /**
   * 根据名称关键字搜索符合条件的物品列表
   * @param filename 文件名
   * @param tagname 标签项
   * @param attr  属性项
   * @param key  搜索关键字
   * @return
   *
   */  
  public static function GetMatchKeyList(filename:String, tagname:String, attr:String, key:String):XMLList{
   
   var xmllist:XMLList = ResourceReader.GetXml(filename)[tagname].(@[attr].search(key) != -1)
   return xmllist;
  }
    }
}