classes/feeditem/atom.php

   1 <?php
   2 class FeedItem_Atom {
   3         private $elem;
   4         private $xpath;
   5
   6         function __construct($elem, $doc, $xpath) {
   7                 $this->elem = $elem;
   8                 $this->xpath = $xpath;
   9         }
  10
  11         function get_id() {
  12                 $id = $this->elem->getElementsByTagName("id")->item(0);
  13
  14                 if ($id) {
  15                         return $id->nodeValue;
  16                 } else {
  17                         return $this->get_link();
  18                 }
  19         }
  20
  21         function get_date() {
  22                 $updated = $this->elem->getElementsByTagName("updated")->item(0);
  23
  24                 if ($updated) {
  25                         return strtotime($updated->nodeValue);
  26                 }
  27         }
  28
  29         function get_link() {
  30                 $links = $this->elem->getElementsByTagName("link");
  31
  32                 foreach ($links as $link) {
  33                         if ($link && $link->hasAttribute("href") && !$link->hasAttribute("rel")) {
  34                                 return $link->getAttribute("href");
  35                         }
  36                 }
  37         }
  38
  39         function get_title() {
  40                 $title = $this->elem->getElementsByTagName("title")->item(0);
  41
  42                 if ($title) {
  43                         return $title->nodeValue;
  44                 }
  45         }
  46
  47         function get_content() {
  48                 $content = $this->elem->getElementsByTagName("content")->item(0);
  49
  50                 if ($content) {
  51                         return $content->nodeValue;
  52                 }
  53         }
  54
  55         function get_description() {
  56                 $summary = $this->elem->getElementsByTagName("summary")->item(0);
  57
  58                 if ($summary) {
  59                         return $summary->nodeValue;
  60                 }
  61         }
  62
  63         // todo
  64         function get_comments_url() {
  65
  66         }
  67
  68         function get_comments_count() {
  69                 $comments = $this->xpath->query("slash:comments", $this->elem)->item(0);
  70
  71                 if ($comments) {
  72                         return $comments->nodeValue;
  73                 }
  74         }
  75
  76         function get_categories() {
  77                 $categories = $this->elem->getElementsByTagName("category");
  78                 $cats = array();
  79
  80                 foreach ($categories as $cat) {
  81                         if ($cat->hasAttribute("term"))
  82                                 array_push($cats, $cat->getAttribute("term"));
  83                 }
  84
  85                 $categories = $this->xpath->query("dc:subject", $this->elem);
  86
  87                 foreach ($categories as $cat) {
  88                         array_push($cats, $cat->nodeValue);
  89                 }
  90
  91                 return $cats;
  92         }
  93
  94         function get_enclosures() {
  95                 $links = $this->elem->getElementsByTagName("link");
  96
  97                 $encs = array();
  98
  99                 foreach ($links as $link) {
 100                         if ($link && $link->hasAttribute("href") && $link->hasAttribute("rel")) {
 101                                 if ($link->getAttribute("rel") == "enclosure") {
 102                                         $enc = new FeedEnclosure();
 103
 104                                         $enc->type = $link->getAttribute("type");
 105                                         $enc->link = $link->getAttribute("href");
 106                                         $enc->length = $link->getAttribute("length");
 107
 108                                         array_push($encs, $enc);
 109                                 }
 110                         }
 111                 }
 112
 113                 $enclosures = $this->xpath->query("media:content", $this->elem);
 114
 115                 foreach ($enclosures as $enclosure) {
 116                         $enc = new FeedEnclosure();
 117
 118                         $enc->type = $enclosure->getAttribute("type");
 119                         $enc->link = $enclosure->getAttribute("url");
 120                         $enc->length = $enclosure->getAttribute("length");
 121
 122                         array_push($encs, $enc);
 123                 }
 124
 125                 return $encs;
 126         }
 127
 128         function get_author() {
 129                 $author = $this->elem->getElementsByTagName("author")->item(0);
 130
 131                 if ($author) {
 132                         $name = $author->getElementsByTagName("name")->item(0);
 133
 134                         if ($name) return $name->nodeValue;
 135
 136                         $email = $author->getElementsByTagName("email")->item(0);
 137
 138                         if ($email) return $email->nodeValue;
 139
 140                 }
 141         }
 142 }
 143 ?>