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