classes/feeditem/rss.php

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