hincludes/lib/QueryIterator.class.php

   1 <?php
   2
   3 class QueryIterator {
   4         public function __construct($result) {
   5                 if(!php_Boot::$skip_constructor) {
   6                 $this->result = $result;
   7                 $this->fetch();
   8         }}
   9         public function next() {
  10                 $»t = ($this->nextValue);
  11                 switch($»t->index) {
  12                 case 0:
  13                 {
  14                         throw new HException("Iterator exhausted");
  15                 }break;
  16                 case 1:
  17                 $v = $»t->params[0];
  18                 {
  19                         $this->fetch();
  20                         return $v;
  21                 }break;
  22                 }
  23         }
  24         public function hasNext() {
  25                 return $this->nextValue != Maybe::$Nothing;
  26         }
  27         public function fetch() {
  28                 $next = db_fetch($this->result);
  29                 $this->nextValue = (($next) ? Maybe::Just($next) : Maybe::$Nothing);
  30         }
  31         public $nextValue;
  32         public $result;
  33         public function __call($m, $a) {
  34                 if(isset($this->$m) && is_callable($this->$m))
  35                         return call_user_func_array($this->$m, $a);
  36                 else if(isset($this->»dynamics[$m]) && is_callable($this->»dynamics[$m]))
  37                         return call_user_func_array($this->»dynamics[$m], $a);
  38                 else if('toString' == $m)
  39                         return $this->__toString();
  40                 else
  41                         throw new HException('Unable to call «'.$m.'»');
  42         }
  43         function __toString() { return 'QueryIterator'; }
  44 }