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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette;
  9: 
 10: use Nette;
 11: 
 12: 
 13: /**
 14:  * Provides the base class for a generic list (items can be accessed by index).
 15:  *
 16:  * @author     David Grudl
 17:  *
 18:  * @property-read \ArrayIterator $iterator
 19:  */
 20: class ArrayList extends Object implements \ArrayAccess, \Countable, \IteratorAggregate
 21: {
 22:     private $list = array();
 23: 
 24: 
 25:     /**
 26:      * Returns an iterator over all items.
 27:      * @return \ArrayIterator
 28:      */
 29:     public function getIterator()
 30:     {
 31:         return new \ArrayIterator($this->list);
 32:     }
 33: 
 34: 
 35:     /**
 36:      * Returns items count.
 37:      * @return int
 38:      */
 39:     public function count()
 40:     {
 41:         return count($this->list);
 42:     }
 43: 
 44: 
 45:     /**
 46:      * Replaces or appends a item.
 47:      * @param  int
 48:      * @param  mixed
 49:      * @return void
 50:      * @throws OutOfRangeException
 51:      */
 52:     public function offsetSet($index, $value)
 53:     {
 54:         if ($index === NULL) {
 55:             $this->list[] = $value;
 56: 
 57:         } elseif ($index < 0 || $index >= count($this->list)) {
 58:             throw new OutOfRangeException('Offset invalid or out of range');
 59: 
 60:         } else {
 61:             $this->list[(int) $index] = $value;
 62:         }
 63:     }
 64: 
 65: 
 66:     /**
 67:      * Returns a item.
 68:      * @param  int
 69:      * @return mixed
 70:      * @throws OutOfRangeException
 71:      */
 72:     public function offsetGet($index)
 73:     {
 74:         if ($index < 0 || $index >= count($this->list)) {
 75:             throw new OutOfRangeException('Offset invalid or out of range');
 76:         }
 77:         return $this->list[(int) $index];
 78:     }
 79: 
 80: 
 81:     /**
 82:      * Determines whether a item exists.
 83:      * @param  int
 84:      * @return bool
 85:      */
 86:     public function offsetExists($index)
 87:     {
 88:         return $index >= 0 && $index < count($this->list);
 89:     }
 90: 
 91: 
 92:     /**
 93:      * Removes the element at the specified position in this list.
 94:      * @param  int
 95:      * @return void
 96:      * @throws OutOfRangeException
 97:      */
 98:     public function offsetUnset($index)
 99:     {
100:         if ($index < 0 || $index >= count($this->list)) {
101:             throw new OutOfRangeException('Offset invalid or out of range');
102:         }
103:         array_splice($this->list, (int) $index, 1);
104:     }
105: 
106: }
107: 
Nette 2.1 API documentation generated by ApiGen 2.8.0