1: <?php
 2: /**
 3:  * @author   Chuck Hagenbuch <chuck@horde.org>
 4:  * @author   Mike Naberezny <mike@maintainable.com>
 5:  * @license  http://www.horde.org/licenses/bsd BSD
 6:  * @category Horde
 7:  * @package  Argv
 8:  */
 9: 
10: /**
11:  * Result hash for Horde_Argv_Parser
12:  *
13:  * @category Horde
14:  * @package  Argv
15:  */
16: class Horde_Argv_Values implements IteratorAggregate, ArrayAccess, Countable
17: {
18:     public function __construct($defaults = array())
19:     {
20:         foreach ($defaults as $attr => $val) {
21:             $this->$attr = $val;
22:         }
23:     }
24: 
25:     public function __toString()
26:     {
27:         $str = array();
28:         foreach ($this as $attr => $val) {
29:             $str[] = $attr . ': ' . (string)$val;
30:         }
31:         return implode(', ', $str);
32:     }
33: 
34:     public function offsetExists($attr)
35:     {
36:         return !is_null($this->$attr);
37:     }
38: 
39:     public function offsetGet($attr)
40:     {
41:         return $this->$attr;
42:     }
43: 
44:     public function offsetSet($attr, $val)
45:     {
46:         $this->$attr = $val;
47:     }
48: 
49:     public function offsetUnset($attr)
50:     {
51:         unset($this->$attr);
52:     }
53: 
54:     public function getIterator()
55:     {
56:         return new ArrayIterator(get_object_vars($this));
57:     }
58: 
59:     public function count()
60:     {
61:         return count(get_object_vars($this));
62:     }
63: 
64:     public function ensureValue($attr, $value)
65:     {
66:         if (is_null($this->$attr)) {
67:             $this->$attr = $value;
68:         }
69:         return $this->$attr;
70:     }
71: 
72: }
73: