source: plugins/blogroll/class.dc.importblogroll.php @ 2566:9bf417837888

<?php
# -- BEGIN LICENSE BLOCK ---------------------------------------
#
# This file is part of Dotclear 2.
#
# Copyright (c) 2003-2013 Olivier Meunier & Association Dotclear
# Licensed under the GPL version 2.0 license.
# See LICENSE file or
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK -----------------------------------------
if (!defined('DC_RC_PATH')) { return; }

class linksImporter
{
     protected $entries = null;

     public function parse($data)
     {
          if (preg_match('!<xbel(\s+version)?!', $data)) {
               $this->_parseXBEL($data);
          }
          elseif (preg_match('!<opml(\s+version)?!', $data)) {
               $this->_parseOPML($data);
          }
          else {
               throw new Exception(__('You need to provide a XBEL or OPML file.'));
          }
     }


     protected function _parseOPML($data)
     {
          $xml = @simplexml_load_string($data);
          if (!$xml) throw new Exception(__('File is not in XML format.'));

          $outlines = $xml->xpath("//outline");

          $this->entries = array();
          foreach ($outlines as $outline) {
               if (isset($outline['htmlUrl'])) {
                    $link = $outline['htmlUrl'];
               }
               elseif (isset($outline['url'])) {
                    $link = $outline['url'];
               }
               else continue;
               $entry = new StdClass();
               $entry->link = $link;
               $entry->title = (!empty($outline['title']))?$outline['title']:'';
               if (empty($entry->title)) {
                    $entry->title = (!empty($outline['text']))?$outline['text']:$entry->link;
               }
               $entry->desc = (!empty($outline['description']))?$outline['description']:'';
               $this->entries[] = $entry;
          }
     }

     protected function _parseXBEL($data)
     {
          $xml = @simplexml_load_string($data);
          if (!$xml) throw new Exception(__('File is not in XML format.'));

          $outlines = $xml->xpath("//bookmark");

          $this->entries = array();
          foreach ($outlines as $outline) {
               if (!isset($outline['href'])) continue;
               $entry = new StdClass();
               $entry->link = $outline['href'];
               $entry->title = (!empty($outline->title))?$outline->title:'';
               if (empty($entry->title)) {
                    $entry->title = $entry->link;
               }
               $entry->desc = (!empty($outline->desc))?$outline->desc:'';
               $this->entries[] = $entry;
          }
     }


     public function getAll()
     {
          if (!$this->entries) return null;
          return $this->entries;
     }

}

class dcImportBlogroll {

     public static function loadFile($file)
     {
          if (file_exists($file) && is_readable($file)) {
               $importer = new linksImporter();
               $importer->parse(file_get_contents($file));
               return $importer->getAll();
          }
          return false;
     }
}