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         /**
  10          * The endpoint
  11          * @var \seekat\API
  12          */
  13         private $api;
  14
  15         /**
  16          * The iterator's data
  17          * @var array
  18          */
  19         private $data;
  20
  21         /**
  22          * The current key
  23          * @var int|string
  24          */
  25         private $key;
  26
  27         /**
  28          * The current data entry
  29          * @var mixed
  30          */
  31         private $cur;
  32
  33         /**
  34          * Create a new iterator over $data returning \seekat\API instances
  35          *
  36          * @var \seekat\API $api The endpoint
  37          * @var array|object $data
  38          */
  39         function __construct(API $api) {
  40                 $this->api = $api;
  41                 $this->data = (array) $api->export();
  42         }
  43
  44         /**
  45          * Get the current key
  46          *
  47          * @return int|string
  48          */
  49         function key() {
  50                 return $this->key;
  51         }
  52
  53         /**
  54          * Get the current data entry
  55          *
  56          * @return \seekat\API
  57          */
  58         function current() {
  59                 return $this->cur;
  60         }
  61
  62         function next() {
  63                 if (list($key, $cur) = each($this->data)) {
  64                         $this->key = $key;
  65                         if ($this->api->$key->exists("url", $url)) {
  66                                 $url = new \http\Url($url);
  67                                 $this->cur = $this->api->withUrl($url)->withData($cur);
  68                         } else {
  69                                 $this->cur = $this->api->$key->withData($cur);
  70                         }
  71                 } else {
  72                         $this->key = null;
  73                         $this->cur = null;
  74                 }
  75         }
  76
  77         function valid() {
  78                 return isset($this->cur);
  79         }
  80
  81         function rewind() {
  82                 if (is_array($this->data)) {
  83                         reset($this->data);
  84                         $this->next();
  85                 }
  86         }
  87 }