classes/feeditem/rss.php

   1 <?php
   2 class FeedItem_RSS extends FeedItem_Common {
   3         function get_id() {
   4                 $id = $this->elem->getElementsByTagName("guid")->item(0);
   5
   6                 if ($id) {
   7                         return $id->nodeValue;
   8                 } else {
   9                         return $this->get_link();
  10                 }
  11         }
  12
  13         function get_date() {
  14                 $pubDate = $this->elem->getElementsByTagName("pubDate")->item(0);
  15
  16                 if ($pubDate) {
  17                         return strtotime($pubDate->nodeValue);
  18                 }
  19         }
  20
  21         function get_link() {
  22                 $links = $this->xpath->query("atom:link", $this->elem);
  23
  24                 foreach ($links as $link) {
  25                         if ($link && $link->hasAttribute("href") &&
  26                                 (!$link->hasAttribute("rel")
  27                                         || $link->getAttribute("rel") == "alternate"
  28                                         || $link->getAttribute("rel") == "standout")) {
  29
  30                                 return $link->getAttribute("href");
  31                         }
  32                 }
  33
  34                 $link = $this->elem->getElementsByTagName("guid")->item(0);
  35
  36                 if ($link && $link->hasAttributes() && $link->getAttribute("isPermaLink") == "true") {
  37                         return $link->nodeValue;
  38                 }
  39
  40                 $link = $this->elem->getElementsByTagName("link")->item(0);
  41
  42                 if ($link) {
  43                         return $link->nodeValue;
  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->xpath->query("content:encoded", $this->elem)->item(0);
  57
  58                 if ($content) {
  59                         return $content->nodeValue;
  60                 }
  61
  62                 $content = $this->elem->getElementsByTagName("description")->item(0);
  63
  64                 if ($content) {
  65                         return $content->nodeValue;
  66                 }
  67         }
  68
  69         function get_description() {
  70                 $summary = $this->elem->getElementsByTagName("description")->item(0);
  71
  72                 if ($summary) {
  73                         return $summary->nodeValue;
  74                 }
  75         }
  76
  77         function get_categories() {
  78                 $categories = $this->elem->getElementsByTagName("category");
  79                 $cats = array();
  80
  81                 foreach ($categories as $cat) {
  82                         array_push($cats, $cat->nodeValue);
  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                 $enclosures = $this->elem->getElementsByTagName("enclosure");
  96
  97                 $encs = array();
  98
  99                 foreach ($enclosures as $enclosure) {
 100                         $enc = new FeedEnclosure();
 101
 102                         $enc->type = $enclosure->getAttribute("type");
 103                         $enc->link = $enclosure->getAttribute("url");
 104                         $enc->length = $enclosure->getAttribute("length");
 105
 106                         array_push($encs, $enc);
 107                 }
 108
 109                 $enclosures = $this->xpath->query("media:content", $this->elem);
 110
 111                 foreach ($enclosures as $enclosure) {
 112                         $enc = new FeedEnclosure();
 113
 114                         $enc->type = $enclosure->getAttribute("type");
 115                         $enc->link = $enclosure->getAttribute("url");
 116                         $enc->length = $enclosure->getAttribute("length");
 117
 118                         array_push($encs, $enc);
 119                 }
 120
 121                 return $encs;
 122         }
 123
 124 }
 125 ?>