classes/feeditem/atom.php

   1 <?php
   2 class FeedItem_Atom {
   3         private $elem;
   4
   5         function __construct($elem) {
   6                 $this->elem = $elem;
   7         }
   8
   9         function get_id() {
  10                 $id = $this->elem->getElementsByTagName("id")->item(0);
  11
  12                 if ($id) {
  13                         return $id->nodeValue;
  14                 } else {
  15                         return $this->get_link();
  16                 }
  17         }
  18
  19         function get_date() {
  20                 $updated = $this->elem->getElementsByTagName("updated")->item(0);
  21
  22                 if ($updated) {
  23                         return strtotime($updated->nodeValue);
  24                 }
  25         }
  26
  27         function get_link() {
  28                 $links = $this->elem->getElementsByTagName("link");
  29
  30                 foreach ($links as $link) {
  31                         if ($link && $link->hasAttribute("href") && !$link->hasAttribute("rel")) {
  32                                 return $link->getAttribute("href");
  33                         }
  34                 }
  35         }
  36
  37         function get_title() {
  38                 $title = $this->elem->getElementsByTagName("title")->item(0);
  39
  40                 if ($title) {
  41                         return $title->nodeValue;
  42                 }
  43         }
  44
  45         function get_content() {
  46                 $content = $this->elem->getElementsByTagName("content")->item(0);
  47
  48                 if ($content) {
  49                         return $content->nodeValue;
  50                 }
  51         }
  52
  53         function get_description() {
  54                 $summary = $this->elem->getElementsByTagName("summary")->item(0);
  55
  56                 if ($summary) {
  57                         return $summary->nodeValue;
  58                 }
  59         }
  60
  61         // todo
  62         function get_comments_url() {
  63
  64         }
  65
  66         // todo
  67         function get_comments_count() {
  68
  69         }
  70
  71         function get_categories() {
  72                 $categories = $this->elem->getElementsByTagName("category");
  73                 $cats = array();
  74
  75                 foreach ($categories as $cat) {
  76                         if ($cat->hasAttribute("term"))
  77                                 array_push($cats, $cat->getAttribute("term"));
  78                 }
  79
  80
  81                 return $cats;
  82         }
  83
  84         function get_enclosures() {
  85                 $links = $this->elem->getElementsByTagName("link");
  86
  87                 $encs = array();
  88
  89                 foreach ($links as $link) {
  90                         if ($link && $link->hasAttribute("href") && $link->hasAttribute("rel")) {
  91                                 if ($link->getAttribute("rel") == "enclosure") {
  92                                         $enc = new FeedEnclosure();
  93
  94                                         $enc->type = $link->getAttribute("type");
  95                                         $enc->link = $link->getAttribute("href");
  96                                         $enc->length = $link->getAttribute("length");
  97
  98                                         array_push($encs, $enc);
  99                                 }
 100                         }
 101                 }
 102
 103                 return $encs;
 104         }
 105
 106         function get_author() {
 107                 $author = $this->elem->getElementsByTagName("author")->item(0);
 108
 109                 if ($author) {
 110                         $name = $author->getElementsByTagName("name")->item(0);
 111
 112                         if ($name) return $name->nodeValue;
 113
 114                         $email = $author->getElementsByTagName("email")->item(0);
 115
 116                         if ($email) return $email->nodeValue;
 117
 118                 }
 119         }
 120 }
 121 ?>