Current File : /www/old2/_music/diplomka/diplomka/src/API/libs/Nette/common/ArrayList.php
<?php
/**
* This file is part of the Nette Framework (http://nette.org)
*
* Copyright (c) 2004 David Grudl (http://davidgrudl.com)
*
* For the full copyright and license information, please view
* the file license.txt that was distributed with this source code.
*/
namespace Nette;
use Nette;
/**
* Provides the base class for a generic list (items can be accessed by index).
*
* @author David Grudl
*
* @property-read \ArrayIterator $iterator
*/
class ArrayList extends Object implements \ArrayAccess, \Countable, \IteratorAggregate
{
private $list = array();
/**
* Returns an iterator over all items.
* @return \ArrayIterator
*/
public function getIterator()
{
return new \ArrayIterator($this->list);
}
/**
* Returns items count.
* @return int
*/
public function count()
{
return count($this->list);
}
/**
* Replaces or appends a item.
* @param int
* @param mixed
* @return void
* @throws OutOfRangeException
*/
public function offsetSet($index, $value)
{
if ($index === NULL) {
$this->list[] = $value;
} elseif ($index < 0 || $index >= count($this->list)) {
throw new OutOfRangeException("Offset invalid or out of range");
} else {
$this->list[(int) $index] = $value;
}
}
/**
* Returns a item.
* @param int
* @return mixed
* @throws OutOfRangeException
*/
public function offsetGet($index)
{
if ($index < 0 || $index >= count($this->list)) {
throw new OutOfRangeException("Offset invalid or out of range");
}
return $this->list[(int) $index];
}
/**
* Determines whether a item exists.
* @param int
* @return bool
*/
public function offsetExists($index)
{
return $index >= 0 && $index < count($this->list);
}
/**
* Removes the element at the specified position in this list.
* @param int
* @return void
* @throws OutOfRangeException
*/
public function offsetUnset($index)
{
if ($index < 0 || $index >= count($this->list)) {
throw new OutOfRangeException("Offset invalid or out of range");
}
array_splice($this->list, (int) $index, 1);
}
}
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