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                 $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->xpath->query("atom:link", $this->elem);
  29
  30                 foreach ($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                 $link = $this->elem->getElementsByTagName("guid")->item(0);
  41
  42                 if ($link && $link->hasAttributes() && $link->getAttribute("isPermaLink") == "true") {
  43                         return $link->nodeValue;
  44                 }
  45
  46                 $link = $this->elem->getElementsByTagName("link")->item(0);
  47
  48                 if ($link) {
  49                         return $link->nodeValue;
  50                 }
  51         }
  52
  53         function get_title() {
  54                 $title = $this->elem->getElementsByTagName("title")->item(0);
  55
  56                 if ($title) {
  57                         return $title->nodeValue;
  58                 }
  59         }
  60
  61         function get_content() {
  62                 $content = $this->xpath->query("content:encoded", $this->elem)->item(0);
  63
  64                 if ($content) {
  65                         return $content->nodeValue;
  66                 }
  67
  68                 $content = $this->elem->getElementsByTagName("description")->item(0);
  69
  70                 if ($content) {
  71                         return $content->nodeValue;
  72                 }
  73         }
  74
  75         function get_description() {
  76                 $summary = $this->elem->getElementsByTagName("description")->item(0);
  77
  78                 if ($summary) {
  79                         return $summary->nodeValue;
  80                 }
  81         }
  82
  83         function get_categories() {
  84                 $categories = $this->elem->getElementsByTagName("category");
  85                 $cats = array();
  86
  87                 foreach ($categories as $cat) {
  88                         array_push($cats, $cat->nodeValue);
  89                 }
  90
  91                 $categories = $this->xpath->query("dc:subject", $this->elem);
  92
  93                 foreach ($categories as $cat) {
  94                         array_push($cats, $cat->nodeValue);
  95                 }
  96
  97                 return $cats;
  98         }
  99
 100         function get_enclosures() {
 101                 $enclosures = $this->elem->getElementsByTagName("enclosure");
 102
 103                 $encs = array();
 104
 105                 foreach ($enclosures as $enclosure) {
 106                         $enc = new FeedEnclosure();
 107
 108                         $enc->type = $enclosure->getAttribute("type");
 109                         $enc->link = $enclosure->getAttribute("url");
 110                         $enc->length = $enclosure->getAttribute("length");
 111
 112                         array_push($encs, $enc);
 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                         $desc = $this->xpath->query("media:description", $enclosure)->item(0);
 125                         if ($desc) $enc->title = strip_tags($desc->nodeValue);
 126
 127                         array_push($encs, $enc);
 128                 }
 129
 130
 131                 $enclosures = $this->xpath->query("media:group", $this->elem);
 132
 133                 foreach ($enclosures as $enclosure) {
 134                         $enc = new FeedEnclosure();
 135
 136                         $content = $this->xpath->query("media:content", $enclosure)->item(0);
 137
 138                         $enc->type = $content->getAttribute("type");
 139                         $enc->link = $content->getAttribute("url");
 140                         $enc->length = $content->getAttribute("length");
 141
 142                         $desc = $this->xpath->query("media:description", $content)->item(0);
 143                         if ($desc) {
 144                                 $enc->title = strip_tags($desc->nodeValue);
 145                         } else {
 146                                 $desc = $this->xpath->query("media:description", $enclosure)->item(0);
 147                                 if ($desc) $enc->title = strip_tags($desc->nodeValue);
 148                         }
 149
 150                         array_push($encs, $enc);
 151                 }
 152
 153                 $enclosures = $this->xpath->query("media:thumbnail", $this->elem);
 154
 155                 foreach ($enclosures as $enclosure) {
 156                         $enc = new FeedEnclosure();
 157
 158                         $enc->type = "image/generic";
 159                         $enc->link = $enclosure->getAttribute("url");
 160
 161                         array_push($encs, $enc);
 162                 }
 163
 164                 return $encs;
 165         }
 166
 167 }
 168 ?>