+Show TOC
×Hide TOC

ObjectIterator

Kind of class:	class
Inherits from:	none
Implements:	Iterator
Version:	1.0
Author:	Francis Bourre
Classpath:	com.bourre.data.iterator.ObjectIterator
File last modified:	Wednesday, 31 October 2007, 07:35:29

► View source

▼ Hide source

/*
 * Copyright the original author or authors.
 * 
 * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (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.mozilla.org/MPL/MPL-1.1.html
 * 
 * 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.
 */
 
/**
 * @author Francis Bourre
 * @version 1.0
 */

import com.bourre.data.iterator.Iterator;
import com.bourre.log.PixlibStringifier;

class com.bourre.data.iterator.ObjectIterator 
    implements Iterator
{
    private var _o;
    private var _a : Array;
    private var _i:Number;
    
    public function ObjectIterator( o, sFilter:String )
    {
        _o = o;
        _a = new Array();
        
        var l:Number = sFilter.length;
        if (sFilter)
        {
            for (var p:String in o) 
            {
                if(p.substr(0, l) == sFilter && typeof(o[p]) != "function") _a.push(p);
            }
        } else
        {
            for (var p:String in o) 
            {
                if(typeof(o[p]) != "function") _a.push(p);
            }
        }
        resetIndex();
    }
    
    public function resetIndex() : Void
    {
        _i = -1;
    }
    
    public function hasNext() : Boolean 
    {
        return _i+1 < _a.length;
    }

    public function getIndex() : Number 
    {
        return _i;
    }
    
    private function _next()
    {
        var o:Object = _o[ _a[++_i] ];
        return (typeof(o) == "Function") ? _next() : o;
    }

    public function next() 
    {
        return _o[ _a[++_i] ];
    }
    
    /**
     * Returns the string representation of this instance.
     * @return the string representation of this instance
     */
    public function toString() : String 
    {
        return PixlibStringifier.stringify( this );
    }
}