git.m6w6.name Git - m6w6/seekat/blob - lib/API/Iterator.php

   1 <?php
   2
   3 namespace seekat\API;
   4
   5 use seekat\API;
   6
   7 class Iterator implements \Iterator {
   8         /**
   9          * The endpoint
  10          * @var \seekat\API
  11          */
  12         private $api;
  13
  14         /**
  15          * The iterator's data
  16          * @var array
  17          */
  18         private $data;
  19
  20         /**
  21          * The current key
  22          * @var int|string
  23          */
  24         private $key;
  25
  26         /**
  27          * The current data entry
  28          * @var mixed
  29          */
  30         private $cur;
  31
  32         /**
  33          * Create a new iterator over $data returning \seekat\API instances
  34          *
  35          * @var \seekat\API $api The endpoint
  36          * @var array|object $data
  37          */
  38         function __construct(API $api) {
  39                 $this->api = $api;
  40                 $this->data = (array) $api->export();
  41         }
  42
  43         /**
  44          * Get the current key
  45          *
  46          * @return int|string
  47          */
  48         function key() {
  49                 return $this->key;
  50         }
  51
  52         /**
  53          * Get the current data entry
  54          *
  55          * @return \seekat\API
  56          */
  57         function current() {
  58                 return $this->cur;
  59         }
  60
  61         function next() {
  62                 if (list($key, $cur) = each($this->data)) {
  63                         $this->key = $key;
  64                         if ($this->api->$key->exists("url", $url)) {
  65                                 $url = new \http\Url($url);
  66                                 $this->cur = $this->api->withUrl($url)->withData($cur);
  67                         } else {
  68                                 $this->cur = $this->api->$key->withData($cur);
  69                         }
  70                 } else {
  71                         $this->key = null;
  72                         $this->cur = null;
  73                 }
  74         }
  75
  76         function valid() {
  77                 return isset($this->cur);
  78         }
  79
  80         function rewind() {
  81                 if (is_array($this->data)) {
  82                         reset($this->data);
  83                         $this->next();
  84                 }
  85         }
  86 }