classes/feeditem/common.php

   1 <?php
   2 abstract class FeedItem_Common extends FeedItem {
   3         protected $elem;
   4         protected $xpath;
   5         protected $doc;
   6
   7         function __construct($elem, $doc, $xpath) {
   8                 $this->elem = $elem;
   9                 $this->xpath = $xpath;
  10                 $this->doc = $doc;
  11
  12                 try {
  13
  14                         $source = $elem->getElementsByTagName("source")->item(0);
  15
  16                         // we don't need <source> element
  17                         if ($source)
  18                                 $elem->removeChild($source);
  19                 } catch (DOMException $e) {
  20                         //
  21                 }
  22         }
  23
  24         function get_author() {
  25                 $author = $this->elem->getElementsByTagName("author")->item(0);
  26
  27                 if ($author) {
  28                         $name = $author->getElementsByTagName("name")->item(0);
  29
  30                         if ($name) return $name->nodeValue;
  31
  32                         $email = $author->getElementsByTagName("email")->item(0);
  33
  34                         if ($email) return $email->nodeValue;
  35
  36                         if ($author->nodeValue)
  37                                 return $author->nodeValue;
  38                 }
  39
  40                 $author = $this->xpath->query("dc:creator", $this->elem)->item(0);
  41
  42                 if ($author) {
  43                         return $author->nodeValue;
  44                 }
  45         }
  46
  47         // todo
  48         function get_comments_url() {
  49
  50         }
  51
  52         function get_comments_count() {
  53                 $comments = $this->xpath->query("slash:comments", $this->elem)->item(0);
  54
  55                 if ($comments) {
  56                         return $comments->nodeValue;
  57                 }
  58         }
  59
  60
  61 }
  62 ?>