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                 $published = $this->elem->getElementsByTagName("published")->item(0);
  21
  22                 if ($published) {
  23                         return strtotime($published->nodeValue);
  24                 }
  25
  26                 $date = $this->xpath->query("dc:date", $this->elem)->item(0);
  27
  28                 if ($date) {
  29                         return strtotime($date->nodeValue);
  30                 }
  31         }
  32
  33         function get_link() {
  34                 $links = $this->elem->getElementsByTagName("link");
  35
  36                 foreach ($links as $link) {
  37                         if ($link && $link->hasAttribute("href") &&
  38                                 (!$link->hasAttribute("rel")
  39                                         || $link->getAttribute("rel") == "alternate"
  40                                         || $link->getAttribute("rel") == "standout")) {
  41
  42                                 return $link->getAttribute("href");
  43                         }
  44                 }
  45         }
  46
  47         function get_title() {
  48                 $title = $this->elem->getElementsByTagName("title")->item(0);
  49
  50                 if ($title) {
  51                         return $title->nodeValue;
  52                 }
  53         }
  54
  55         function get_content() {
  56                 $content = $this->elem->getElementsByTagName("content")->item(0);
  57
  58                 if ($content) {
  59                         if ($content->hasAttribute('type')) {
  60                                 if ($content->getAttribute('type') == 'xhtml') {
  61                                         return $this->doc->saveXML($content->firstChild->nextSibling);
  62                                 }
  63                         }
  64
  65                         return $content->nodeValue;
  66                 }
  67         }
  68
  69         function get_description() {
  70                 $content = $this->elem->getElementsByTagName("summary")->item(0);
  71
  72                 if ($content) {
  73                         if ($content->hasAttribute('type')) {
  74                                 if ($content->getAttribute('type') == 'xhtml') {
  75                                         return $this->doc->saveXML($content->firstChild->nextSibling);
  76                                 }
  77                         }
  78
  79                         return $content->nodeValue;
  80                 }
  81
  82         }
  83
  84         function get_categories() {
  85                 $categories = $this->elem->getElementsByTagName("category");
  86                 $cats = array();
  87
  88                 foreach ($categories as $cat) {
  89                         if ($cat->hasAttribute("term"))
  90                                 array_push($cats, $cat->getAttribute("term"));
  91                 }
  92
  93                 $categories = $this->xpath->query("dc:subject", $this->elem);
  94
  95                 foreach ($categories as $cat) {
  96                         array_push($cats, $cat->nodeValue);
  97                 }
  98
  99                 return $cats;
 100         }
 101
 102         function get_enclosures() {
 103                 $links = $this->elem->getElementsByTagName("link");
 104
 105                 $encs = array();
 106
 107                 foreach ($links as $link) {
 108                         if ($link && $link->hasAttribute("href") && $link->hasAttribute("rel")) {
 109                                 if ($link->getAttribute("rel") == "enclosure") {
 110                                         $enc = new FeedEnclosure();
 111
 112                                         $enc->type = $link->getAttribute("type");
 113                                         $enc->link = $link->getAttribute("href");
 114                                         $enc->length = $link->getAttribute("length");
 115
 116                                         array_push($encs, $enc);
 117                                 }
 118                         }
 119                 }
 120
 121                 $enclosures = $this->xpath->query("media:content", $this->elem);
 122
 123                 foreach ($enclosures as $enclosure) {
 124                         $enc = new FeedEnclosure();
 125
 126                         $enc->type = $enclosure->getAttribute("type");
 127                         $enc->link = $enclosure->getAttribute("url");
 128                         $enc->length = $enclosure->getAttribute("length");
 129
 130                         array_push($encs, $enc);
 131                 }
 132
 133                 return $encs;
 134         }
 135
 136 }
 137 ?>