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   1  <?php
   2  /*
   3   * Limb PHP Framework
   4   *
   5   * @link http://limb-project.com 
   6   * @copyright  Copyright &copy; 2004-2007 BIT(http://bit-creative.com)
   7   * @license    LGPL http://www.gnu.org/copyleft/lesser.html 
   8   */
   9  lmb_require('limb/core/src/lmbSetInterface.interface.php');
  10  
  11  /**

  12   * class lmbSet.

  13   *

  14   * @package core

  15   * @version $Id$

  16   */
  17  class lmbSet implements lmbSetInterface, Iterator//should Iterator be a part of lmbSetInterface?
  18  {
  19    protected $properties = array();
  20  
  21    function __construct($properties = array())
  22    {
  23      if(is_array($properties))
  24        $this->properties = $properties;
  25      else
  26        $this->properties = array();
  27    }
  28  
  29    function get($name)
  30    {
  31      if(isset($this->properties[$name]))
  32        return $this->properties[$name];
  33    }
  34  
  35    function getInteger($name)
  36    {
  37      return (int)$this->get($name);
  38    }
  39  
  40    function getNumeric($name)
  41    {
  42      return (0 + $this->get($name));
  43    }
  44  
  45    function getArray($name)
  46    {
  47      if(!is_array($value = $this->get($name)))
  48        return array();
  49  
  50      return $value;
  51    }
  52  
  53    function set($name, $value)
  54    {
  55      $this->properties[$name] = $value;
  56    }
  57  
  58    function remove($name)
  59    {
  60      if(isset($this->properties[$name]))
  61        unset($this->properties[$name]);
  62    }
  63  
  64    function removeAll()
  65    {
  66      $this->properties = array();
  67    }
  68  
  69    function reset()
  70    {
  71      return $this->removeAll();
  72    }
  73  
  74    function import($property_list)
  75    {
  76      $this->properties = $property_list;
  77    }
  78  
  79    function merge($property_list)
  80    {
  81      if(is_array($property_list) || is_a($property_list, 'ArrayAccess'))
  82      {
  83        foreach($property_list as $name => $value)
  84          $this->set($name, $value);
  85      }
  86    }
  87  
  88    function export()
  89    {
  90      return $this->properties;
  91    }
  92  
  93    function has($name)
  94    {
  95      return isset($this->properties[$name]);
  96    }
  97  
  98    function isEmpty()
  99    {
 100      return sizeof($this->properties) == 0;
 101    }
 102  
 103    function getPropertyList()
 104    {
 105      return array_keys($this->properties);
 106    }
 107  
 108    //ArrayAccess interface

 109    function offsetExists($offset)
 110    {
 111      return $this->has($offset);
 112    }
 113  
 114    function offsetGet($offset)
 115    {
 116      return $this->get($offset);
 117    }
 118  
 119    function offsetSet($offset, $value)
 120    {
 121      $this->set($offset, $value);
 122    }
 123  
 124    function offsetUnset($offset)
 125    {
 126      $this->remove($offset);
 127    }
 128  
 129    //Iterator interface

 130    function valid()
 131    {
 132      return $this->valid;
 133    }
 134  
 135    function current()
 136    {
 137      return $this->current;
 138    }
 139  
 140    function next()
 141    {
 142      $this->current = next($this->properties);
 143      $this->valid = $this->current !== false;
 144    }
 145  
 146    function rewind()
 147    {
 148      $this->current = reset($this->properties);
 149      $this->valid = $this->current !== false;
 150    }
 151  
 152    function key()
 153    {
 154      return key($this->properties);
 155    }
 156  }
 157  
 158  ?>