forked from Wavyzz/dolibarr
Rss parser can use xml_parse or simplexml functions
This commit is contained in:
Laurent Destailleur
@@ -19,7 +19,7 @@
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* \file htdocs/core/class/rssparser.class.php
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* \ingroup core
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* \brief File of class to parse rss feeds
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* \version $Id: rssparser.class.php,v 1.3 2011/08/26 19:09:02 eldy Exp $
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* \version $Id: rssparser.class.php,v 1.4 2011/08/26 22:38:27 eldy Exp $
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*/
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class RssParser
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{
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@@ -53,6 +53,11 @@ class RssParser
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public function getLastFetchDate() { return $this->_lastfetchdate; }
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public function getItems() { return $this->_rssarray; }
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// For parsing with xmlparser
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var $stack = array(); // parser stack
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/**
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* Constructor
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*/
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@@ -75,6 +80,8 @@ class RssParser
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{
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include_once(DOL_DOCUMENT_ROOT.'/lib/files.lib.php');
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$str=''; // This will contain content of feed
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// Check parameters
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if (! dol_is_url($urlRSS))
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{
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@@ -107,41 +114,54 @@ class RssParser
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}
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}
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// Load file into $rss
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// Load file into $str
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if ($foundintocache) // Cache file found and is not too old
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{
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$str = file_get_contents($newpathofdestfile);
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$rss = simplexml_load_string(unserialize($str));
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}
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else
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{
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try {
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ini_set("user_agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)");
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ini_set("max_execution_time", 10);
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if (! empty($conf->global->MAIN_SIMPLEXMLLOAD_DEBUG)) $rss = simplexml_load_file($this->_urlRSS);
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else
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{
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//libxml_use_internal_errors(false);
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$rss = @simplexml_load_file($this->_urlRSS);
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}
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$str = file_get_contents($this->_urlRSS);
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}
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catch (Exception $e) {
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print 'Error retrieving URL '.$this->urlRSS.' - '.$e->getMessage();
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}
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}
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// Convert $str into xml
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if (! empty($conf->global->EXTERNALRSS_USE_SIMPLEXML))
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{
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//print 'xx'.LIBXML_NOCDATA;
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libxml_use_internal_errors(false);
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$rss = simplexml_load_string($str, "SimpleXMLElement", LIBXML_NOCDATA);
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}
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else
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{
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$xmlparser=xml_parser_create('');
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if (!is_resource($xmlparser)) { $this->error="ErrorFailedToCreateParser"; return -1; }
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xml_set_object( $xmlparser, $this );
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xml_set_element_handler($xmlparser, 'feed_start_element', 'feed_end_element' );
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xml_set_character_data_handler( $xmlparser, 'feed_cdata' );
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$status = xml_parse( $xmlparser, $str );
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xml_parser_free( $xmlparser );
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$rss=$this;
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//var_dump($this);exit;
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}
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// If $rss loaded
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if ($rss)
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{
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$items=array();
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// Save file into cache
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if (empty($foundintocache) && $cachedir)
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{
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dol_syslog("RssParser::parser cache file ".$newpathofdestfile." is saved onto disk.");
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if (! dol_is_dir($cachedir)) dol_mkdir($cachedir);
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$fp = fopen($newpathofdestfile, 'w');
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fwrite($fp, serialize($rss->asXML()));
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fwrite($fp, $str);
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fclose($fp);
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if (! empty($conf->global->MAIN_UMASK)) $newmask=$conf->global->MAIN_UMASK;
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@chmod($newpathofdestfile, octdec($newmask));
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@@ -149,60 +169,131 @@ class RssParser
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$this->_lastfetchdate=$nowgmt;
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}
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$rss->_format='rss';
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if (empty($rss->channel)) $rss->_format='atom';
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unset($str); // Free memory
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if (empty($rss->_format)) // If format not detected automatically
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{
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$rss->_format='rss';
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if (empty($rss->channel)) $rss->_format='atom';
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}
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$items=array();
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// Save description entries
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if ($rss->_format == 'rss')
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{
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if (!empty($rss->channel->language)) $this->_language = (string) $rss->channel->language;
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if (!empty($rss->channel->generator)) $this->_generator = (string) $rss->channel->generator;
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if (!empty($rss->channel->copyright)) $this->_copyright = (string) $rss->channel->copyright;
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if (!empty($rss->channel->lastbuilddate)) $this->_lastbuilddate = (string) $rss->channel->lastbuilddate;
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if (!empty($rss->channel->image->url[0])) $this->_imageurl = (string) $rss->channel->image->url[0];
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if (!empty($rss->channel->link)) $this->_link = (string) $rss->channel->link;
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if (!empty($rss->channel->title)) $this->_title = (string) $rss->channel->title;
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if (!empty($rss->channel->description)) $this->_description = (string) $rss->channel->description;
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$items=$rss->channel->item;
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//var_dump($rss);
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if (! empty($conf->global->EXTERNALRSS_USE_SIMPLEXML))
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{
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if (!empty($rss->channel->language)) $this->_language = (string) $rss->channel->language;
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if (!empty($rss->channel->generator)) $this->_generator = (string) $rss->channel->generator;
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if (!empty($rss->channel->copyright)) $this->_copyright = (string) $rss->channel->copyright;
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if (!empty($rss->channel->lastbuilddate)) $this->_lastbuilddate = (string) $rss->channel->lastbuilddate;
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if (!empty($rss->channel->image->url[0])) $this->_imageurl = (string) $rss->channel->image->url[0];
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if (!empty($rss->channel->link)) $this->_link = (string) $rss->channel->link;
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if (!empty($rss->channel->title)) $this->_title = (string) $rss->channel->title;
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if (!empty($rss->channel->description)) $this->_description = (string) $rss->channel->description;
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}
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else
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{
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if (!empty($rss->channel['rss_language'])) $this->_language = (string) $rss->channel['rss_language'];
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if (!empty($rss->channel['rss_generator'])) $this->_generator = (string) $rss->channel['rss_generator'];
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if (!empty($rss->channel['rss_copyright'])) $this->_copyright = (string) $rss->channel['rss_copyright'];
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if (!empty($rss->channel['rss_lastbuilddate'])) $this->_lastbuilddate = (string) $rss->channel['rss_lastbuilddate'];
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if (!empty($rss->image['rss_url'])) $this->_imageurl = (string) $rss->image['rss_url'];
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if (!empty($rss->channel['rss_link'])) $this->_link = (string) $rss->channel['rss_link'];
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if (!empty($rss->channel['rss_title'])) $this->_title = (string) $rss->channel['rss_title'];
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if (!empty($rss->channel['rss_description'])) $this->_description = (string) $rss->channel['rss_description'];
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}
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if (! empty($conf->global->EXTERNALRSS_USE_SIMPLEXML)) $items=$rss->channel->item; // With simplexml
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else $items=$rss->items; // With xmlparse
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//var_dump($items);exit;
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}
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else if ($rss->_format == 'atom')
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{
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if (!empty($rss->generator)) $this->_generator = (string) $rss->generator;
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if (!empty($rss->lastbuilddate)) $this->_lastbuilddate = (string) $rss->modified;
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if (!empty($rss->link->href)) $this->_link = (string) $rss->link->href;
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if (!empty($rss->title)) $this->_title = (string) $rss->title;
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if (!empty($rss->description)) $this->_description = (string) $rss->description;
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$tmprss=xml2php($rss);
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$items=$tmprss['entry'];
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if (! empty($conf->global->EXTERNALRSS_USE_SIMPLEXML))
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{
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if (!empty($rss->generator)) $this->_generator = (string) $rss->generator;
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if (!empty($rss->lastbuilddate)) $this->_lastbuilddate = (string) $rss->modified;
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if (!empty($rss->link->href)) $this->_link = (string) $rss->link->href;
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if (!empty($rss->title)) $this->_title = (string) $rss->title;
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if (!empty($rss->description)) $this->_description = (string) $rss->description;
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}
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else
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{
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if (!empty($rss->channel['rss_language'])) $this->_language = (string) $rss->channel['rss_language'];
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if (!empty($rss->channel['rss_generator'])) $this->_generator = (string) $rss->channel['rss_generator'];
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if (!empty($rss->channel['rss_copyright'])) $this->_copyright = (string) $rss->channel['rss_copyright'];
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if (!empty($rss->channel['rss_lastbuilddate'])) $this->_lastbuilddate = (string) $rss->channel['rss_lastbuilddate'];
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if (!empty($rss->image['rss_url'])) $this->_imageurl = (string) $rss->image['rss_url'];
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if (!empty($rss->channel['rss_link'])) $this->_link = (string) $rss->channel['rss_link'];
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if (!empty($rss->channel['rss_title'])) $this->_title = (string) $rss->channel['rss_title'];
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if (!empty($rss->channel['rss_description'])) $this->_description = (string) $rss->channel['rss_description'];
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}
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if (! empty($conf->global->EXTERNALRSS_USE_SIMPLEXML)) { $tmprss=xml2php($rss); $items=$tmprss['entry'];} // With simplexml
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else $items=$rss->items; // With xmlparse
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//var_dump($items);exit;
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}
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$i = 0;
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// Loop on each record
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foreach($items as $item)
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{
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//var_dump($item);exit;
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if ($rss->_format == 'rss')
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{
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$itemLink = (string) $item->link;
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$itemTitle = (string) $item->title;
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$itemDescription = (string) $item->description;
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$itemPubDate = (string) $item->pubDate;
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$itemId = '';
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if (! empty($conf->global->EXTERNALRSS_USE_SIMPLEXML))
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{
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$itemLink = (string) $item->link;
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$itemTitle = (string) $item->title;
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$itemDescription = (string) $item->description;
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$itemPubDate = (string) $item->pubDate;
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$itemId = '';
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$itemAuthor = '';
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}
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else
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{
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$itemLink = (string) $item['rss_link'];
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$itemTitle = (string) $item['rss_title'];
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$itemDescription = (string) $item['rss_description'];
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$itemPubDate = (string) $item['rss_pubdate'];
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$itemId = (string) $item['rss_guid'];
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$itemAuthor = (string) $item['rss_author'];
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}
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// Loop on each category
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$itemCategory=array();
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foreach ($item->category as $cat)
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if (is_array($item->category))
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{
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$itemCategory[] = (string) $cat;
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foreach ($item->category as $cat)
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{
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$itemCategory[] = (string) $cat;
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}
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}
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}
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else if ($rss->_format == 'atom')
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{
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$itemLink = (string) $item['link']['href'];
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$itemTitle = (string) $item['title'];
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$itemDescription = (string) $item['summary'];
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$itemPubDate = (string) $item['created'];
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$itemId = (string) $item['id'];
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if (! empty($conf->global->EXTERNALRSS_USE_SIMPLEXML))
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{
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$itemLink = (string) $item['link']['href'];
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$itemTitle = (string) $item['title'];
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$itemDescription = (string) $item['summary'];
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$itemPubDate = (string) $item['created'];
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$itemId = (string) $item['id'];
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$itemAuthor = '';
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}
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else
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{
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$itemLink = (string) $item['rss_link'];
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$itemTitle = (string) $item['rss_title'];
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$itemDescription = (string) $item['rss_description'];
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$itemPubDate = (string) $item['rss_pubdate'];
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$itemId = (string) $item['rss_guid'];
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$itemAuthor = (string) $item['rss_author'];
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}
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}
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else print 'ErrorBadFeedFormat';
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// Add record to result array
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$this->_rssarray[$i] = array(
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@@ -211,7 +302,8 @@ class RssParser
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'description'=>$itemDescription,
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'pubDate'=>$itemPubDate,
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'category'=>$itemCategory,
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'id'=>$itemId);
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'id'=>$itemId,
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'author'=>$itemAuthor);
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$i++;
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@@ -227,6 +319,270 @@ class RssParser
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}
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}
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/**
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* Triggered when opened tag is found
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*
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* @param $p
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* @param $element Tag
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* @param $attrs Attributes of tags
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*/
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function feed_start_element($p, $element, &$attrs)
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{
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$el = $element = strtolower($element);
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$attrs = array_change_key_case($attrs, CASE_LOWER);
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// check for a namespace, and split if found
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$ns = false;
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if ( strpos( $element, ':' ) ) {
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list($ns, $el) = explode( ':', $element, 2);
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}
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if ( $ns and $ns != 'rdf' ) {
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$this->current_namespace = $ns;
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}
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# if feed type isn't set, then this is first element of feed
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# identify feed from root element
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#
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if (!isset($this->_format) ) {
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if ( $el == 'rdf' ) {
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$this->_format = 'rss';
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$this->feed_version = '1.0';
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}
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elseif ( $el == 'rss' ) {
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$this->_format = 'rss';
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$this->feed_version = $attrs['version'];
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}
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elseif ( $el == 'feed' ) {
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$this->_format = 'atom';
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$this->feed_version = $attrs['version'];
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$this->inchannel = true;
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}
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return;
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}
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if ( $el == 'channel' )
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{
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$this->inchannel = true;
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}
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elseif ($el == 'item' or $el == 'entry' )
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{
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$this->initem = true;
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if ( isset($attrs['rdf:about']) ) {
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$this->current_item['about'] = $attrs['rdf:about'];
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}
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}
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// if we're in the default namespace of an RSS feed,
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// record textinput or image fields
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elseif (
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$this->_format == 'rss' and
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$this->current_namespace == '' and
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$el == 'textinput' )
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{
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$this->intextinput = true;
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}
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elseif (
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$this->_format == 'rss' and
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$this->current_namespace == '' and
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$el == 'image' )
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{
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$this->inimage = true;
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}
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# handle atom content constructs
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elseif ( $this->_format == 'atom' and in_array($el, $this->_CONTENT_CONSTRUCTS) )
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{
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// avoid clashing w/ RSS mod_content
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if ($el == 'content' ) {
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$el = 'atom_content';
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}
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$this->incontent = $el;
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}
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// if inside an Atom content construct (e.g. content or summary) field treat tags as text
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elseif ($this->_format == 'atom' and $this->incontent )
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{
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// if tags are inlined, then flatten
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$attrs_str = join(' ',
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array_map('map_attrs',
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array_keys($attrs),
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array_values($attrs) ) );
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$this->append_content( "<$element $attrs_str>" );
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array_unshift( $this->stack, $el );
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}
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// Atom support many links per containging element.
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// Magpie treats link elements of type rel='alternate'
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// as being equivalent to RSS's simple link element.
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//
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elseif ($this->_format == 'atom' and $el == 'link' )
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{
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if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
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{
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$link_el = 'link';
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}
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else {
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$link_el = 'link_' . $attrs['rel'];
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}
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$this->append($link_el, $attrs['href']);
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}
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// set stack[0] to current element
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else {
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array_unshift($this->stack, $el);
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}
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}
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/**
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* Triggered when CDATA is found
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*
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* @param $p
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* @param $element Tag
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* @param $attrs Attributes of tags
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*/
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function feed_cdata ($p, $text) {
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if ($this->_format == 'atom' and $this->incontent)
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{
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$this->append_content( $text );
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}
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else {
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$current_el = join('_', array_reverse($this->stack));
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$this->append($current_el, $text);
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}
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}
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|
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/**
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* Triggered when closed tag is found
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*
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* @param $p
|
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* @param $element Tag
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*/
|
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function feed_end_element ($p, $el) {
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$el = strtolower($el);
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if ( $el == 'item' or $el == 'entry' )
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{
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$this->items[] = $this->current_item;
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$this->current_item = array();
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$this->initem = false;
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}
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elseif ($this->_format == 'rss' and $this->current_namespace == '' and $el == 'textinput' )
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{
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$this->intextinput = false;
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}
|
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elseif ($this->_format == 'rss' and $this->current_namespace == '' and $el == 'image' )
|
||||
{
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$this->inimage = false;
|
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}
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elseif ($this->_format == 'atom' and in_array($el, $this->_CONTENT_CONSTRUCTS) )
|
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{
|
||||
$this->incontent = false;
|
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}
|
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elseif ($el == 'channel' or $el == 'feed' )
|
||||
{
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||||
$this->inchannel = false;
|
||||
}
|
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elseif ($this->_format == 'atom' and $this->incontent ) {
|
||||
// balance tags properly
|
||||
// note: i don't think this is actually neccessary
|
||||
if ( $this->stack[0] == $el )
|
||||
{
|
||||
$this->append_content("</$el>");
|
||||
}
|
||||
else {
|
||||
$this->append_content("<$el />");
|
||||
}
|
||||
|
||||
array_shift( $this->stack );
|
||||
}
|
||||
else {
|
||||
array_shift( $this->stack );
|
||||
}
|
||||
|
||||
$this->current_namespace = false;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* To concat 2 string with no warning if an operand is not defined
|
||||
*
|
||||
* @param $str1
|
||||
* @param $str2
|
||||
*/
|
||||
function concat (&$str1, $str2="") {
|
||||
if (!isset($str1) ) {
|
||||
$str1="";
|
||||
}
|
||||
$str1 .= $str2;
|
||||
}
|
||||
|
||||
/**
|
||||
*/
|
||||
function append_content($text) {
|
||||
if ( $this->initem ) {
|
||||
$this->concat( $this->current_item[ $this->incontent ], $text );
|
||||
}
|
||||
elseif ( $this->inchannel ) {
|
||||
$this->concat( $this->channel[ $this->incontent ], $text );
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* smart append - field and namespace aware
|
||||
*/
|
||||
function append($el, $text) {
|
||||
if (!$el) {
|
||||
return;
|
||||
}
|
||||
if ( $this->current_namespace )
|
||||
{
|
||||
if ( $this->initem ) {
|
||||
$this->concat(
|
||||
$this->current_item[ $this->current_namespace ][ $el ], $text);
|
||||
}
|
||||
elseif ($this->inchannel) {
|
||||
$this->concat(
|
||||
$this->channel[ $this->current_namespace][ $el ], $text );
|
||||
}
|
||||
elseif ($this->intextinput) {
|
||||
$this->concat(
|
||||
$this->textinput[ $this->current_namespace][ $el ], $text );
|
||||
}
|
||||
elseif ($this->inimage) {
|
||||
$this->concat(
|
||||
$this->image[ $this->current_namespace ][ $el ], $text );
|
||||
}
|
||||
}
|
||||
else {
|
||||
if ( $this->initem ) {
|
||||
$this->concat(
|
||||
$this->current_item[ $el ], $text);
|
||||
}
|
||||
elseif ($this->intextinput) {
|
||||
$this->concat(
|
||||
$this->textinput[ $el ], $text );
|
||||
}
|
||||
elseif ($this->inimage) {
|
||||
$this->concat(
|
||||
$this->image[ $el ], $text );
|
||||
}
|
||||
elseif ($this->inchannel) {
|
||||
$this->concat(
|
||||
$this->channel[ $el ], $text );
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user