classes/feeditem/atom.php

   1 <?php
   2 class FeedItem_Atom extends FeedItem_Common {
   3         function get_id() {
   4                 $id = $this->elem->getElementsByTagName("id")->item(0);
   5
   6                 if ($id) {
   7                         return $id->nodeValue;
   8                 } else {
   9                         return $this->get_link();
  10                 }
  11         }
  12
  13         function get_date() {
  14                 $updated = $this->elem->getElementsByTagName("updated")->item(0);
  15
  16                 if ($updated) {
  17                         return strtotime($updated->nodeValue);
  18                 }
  19         }
  20
  21         function get_link() {
  22                 $links = $this->elem->getElementsByTagName("link");
  23
  24                 foreach ($links as $link) {
  25                         if ($link && $link->hasAttribute("href") && (!$link->hasAttribute("rel")
  26                                         || $link->getAttribute("rel") == "alternate")) {
  27                                 return $link->getAttribute("href");
  28                         }
  29                 }
  30         }
  31
  32         function get_title() {
  33                 $title = $this->elem->getElementsByTagName("title")->item(0);
  34
  35                 if ($title) {
  36                         return $title->nodeValue;
  37                 }
  38         }
  39
  40         function get_content() {
  41                 $content = $this->elem->getElementsByTagName("content")->item(0);
  42
  43                 if ($content) {
  44                         if ($content->hasChildNodes()) {
  45
  46                                 if ($content->getElementsByTagName("*")->length > 1) {
  47                                         return $this->doc->saveXML($content->firstChild->nextSibling);
  48                                 }
  49                         }
  50
  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         function get_categories() {
  64                 $categories = $this->elem->getElementsByTagName("category");
  65                 $cats = array();
  66
  67                 foreach ($categories as $cat) {
  68                         if ($cat->hasAttribute("term"))
  69                                 array_push($cats, $cat->getAttribute("term"));
  70                 }
  71
  72                 $categories = $this->xpath->query("dc:subject", $this->elem);
  73
  74                 foreach ($categories as $cat) {
  75                         array_push($cats, $cat->nodeValue);
  76                 }
  77
  78                 return $cats;
  79         }
  80
  81         function get_enclosures() {
  82                 $links = $this->elem->getElementsByTagName("link");
  83
  84                 $encs = array();
  85
  86                 foreach ($links as $link) {
  87                         if ($link && $link->hasAttribute("href") && $link->hasAttribute("rel")) {
  88                                 if ($link->getAttribute("rel") == "enclosure") {
  89                                         $enc = new FeedEnclosure();
  90
  91                                         $enc->type = $link->getAttribute("type");
  92                                         $enc->link = $link->getAttribute("href");
  93                                         $enc->length = $link->getAttribute("length");
  94
  95                                         array_push($encs, $enc);
  96                                 }
  97                         }
  98                 }
  99
 100                 $enclosures = $this->xpath->query("media:content", $this->elem);
 101
 102                 foreach ($enclosures as $enclosure) {
 103                         $enc = new FeedEnclosure();
 104
 105                         $enc->type = $enclosure->getAttribute("type");
 106                         $enc->link = $enclosure->getAttribute("url");
 107                         $enc->length = $enclosure->getAttribute("length");
 108
 109                         array_push($encs, $enc);
 110                 }
 111
 112                 return $encs;
 113         }
 114
 115 }
 116 ?>