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

   1 <?php
   2
   3 namespace seekat\API;
   4
   5 use http\Url;
   6 use seekat\API;
   7
   8 final class Iterator implements \Iterator
   9 {
  10         /**
  11          * The endpoint
  12          * @var API
  13          */
  14         private $api;
  15
  16         /**
  17          * The iterator's data
  18          * @var array
  19          */
  20         private $data;
  21
  22         /**
  23          * The current key
  24          * @var int|string
  25          */
  26         private $key;
  27
  28         /**
  29          * The current data entry
  30          * @var mixed
  31          */
  32         private $cur;
  33
  34         /**
  35          * Create a new iterator over $data returning \seekat\API instances
  36          *
  37          * @var API $api The endpoint
  38          * @var array|object $data
  39          */
  40         function __construct(API $api) {
  41                 $this->api = $api;
  42                 $this->data = (array) $api->export()["data"];
  43         }
  44
  45         /**
  46          * Get the current key
  47          *
  48          * @return int|string
  49          */
  50         function key() {
  51                 return $this->key;
  52         }
  53
  54         /**
  55          * Get the current data entry
  56          *
  57          * @return API
  58          */
  59         function current() {
  60                 return $this->cur;
  61         }
  62
  63         function next() {
  64                 if (list($key, $cur) = each($this->data)) {
  65                         $this->key = $key;
  66                         if ($this->api->$key->exists("url", $url)) {
  67                                 $url = new Url($url);
  68                                 $this->cur = $this->api->withUrl($url)->withData($cur);
  69                         } else {
  70                                 $this->cur = $this->api->$key->withData($cur);
  71                         }
  72                 } else {
  73                         $this->key = null;
  74                         $this->cur = null;
  75                 }
  76         }
  77
  78         function valid() {
  79                 return isset($this->cur);
  80         }
  81
  82         function rewind() {
  83                 if (is_array($this->data)) {
  84                         reset($this->data);
  85                         $this->next();
  86                 }
  87         }
  88 }