Difference between revisions of "Template:Mainpage-rssfeeds"

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<rss>http://forum.linkstationwiki.net/rss2.php|charset=UTF-8|short|max=10</rss>
 
<rss>http://rss.groups.yahoo.com/group/LinkStation_General/rss|charset=UTF-8|short|max=5</rss>
 
<noinclude>[[Category:Administrative templates]]
 
 
==GISWiki/RSS==
 
Uses an extension from:
 
http://meta.wikimedia.org/wiki/GISWiki/RSS
 
 
__NOTOC__
 
__NOTOC__
==RSS-Feed Mediawiki extension==
+
<h3>LinkStation_General at Yahoo! Groups</h3>
* original by mutante 25.03.2005
+
<feed url="http://rss.groups.yahoo.com/group/LinkStation_General/rss" entries=7>
* extended by Duesentrieb 30.04.2005
+
* <span class="plainlinks">[{PERMALINK} {TITLE}]</span>
* extended by Rdb78 07.07.2005
+
</feed>
* extended by Mafs  10.07.2005, 24.07.2005
+
<h3>NAS Central Blog</h3>
* extended by User:Arcy  07.09.2005
+
<feed url="http://blog.nas-central.org/feed/" entries=5>
* Updated for MediaWiki 1.6 by User:piku 13.06.2006
+
* <span class="plainlinks">[{PERMALINK} {TITLE}]</span>
* Update for Wikicode output, by User:cogdog 14.jul.2006
+
</feed>
 
+
<h3>Foonas Blog</h3>
===Requires:===
+
<feed url="http://blog.foonas.org/feed/" entries=5>
* magpie rss parser http://magpierss.sourceforge.net/
+
* <span class="plainlinks">[{PERMALINK} {TITLE}]</span>
* iconv http://www.gnu.org/software/libiconv/, see also http://www.php.net/iconv
+
</feed>
 
+
<noinclude>[[Category:Administrative templates]]</noinclude>
===Installation:===
+
* put this file '''(rss.php)''' into the extension directory of your mediawiki installation
+
* add the following to the end of '''LocalSettings.php:''' <tt>include("extensions/rss.php");</tt>
+
* make sure magpie can be found by PHP.
+
 
+
===Usage:===
+
Use one section between <nowiki><rss>-tags for each feed. The rss section may contain parameters
+
separated by a pipe ("|"), just like links and templates. These parameters are supported:
+
</nowiki>
+
 
+
{|
+
|-
+
|| <tt>charset = ...</tt>            ||The charset used by the feed. iconv is used to convert this.
+
|-
+
|| <tt>short</tt>                  ||Do not show the description text for each news item.
+
|-
+
|| <tt>max = x</tt>                  ||Shows x most recent headlines.
+
|-
+
|| <tt>highlight = term1 term2</tt>  ||The terms separated by a space are highlighted.
+
|-
+
|| <tt>filter = term1 term2</tt>    ||Show only rss items containing at least one of the terms.
+
|-
+
|| <tt>reverse</tt>                ||display the rss items in reverse order.
+
|-
+
|| <tt>title = x</tt>                 ||display an alternative title instead of chanel name.
+
|-
+
|| <tt>title = none</tt>           ||dont display any title.
+
|}
+
 
+
 
+
 
+
===rss.php===
+
<pre><nowiki>
+
<?php
+
# RSS-Feed Mediawiki extension
+
#
+
# original by mutante 25.03.2005
+
# extended by Duesentrieb 30.04.2005
+
# extended by Rdb78 07.07.2005
+
# extended by Mafs  10.07.2005, 24.07.2005
+
# extended by User:Arcy  07.09.2005
+
# Updated for MediaWiki 1.6 by User:piku 13.06.2006
+
# Update for Wikicode output, by User:cogdog 14.jul.2006
+
#
+
# Requires:
+
#  * magpie rss parser <http://magpierss.sourceforge.net/>
+
#  * iconv <http://www.gnu.org/software/libiconv/>, see also <http://www.php.net/iconv>
+
#
+
# Installation:
+
#  * put this file (rss.php) into the extension directory of your mediawiki installation
+
#  * add the following to the end of LocalSettings.php: include("extensions/rss.php");
+
#  * make sure magpie can be found by PHP.
+
#
+
# Usage:
+
#  Use one section between <rss>-tags for each feed. The rss section may contain parameters
+
#  separated by a pipe ("|"), just like links and templates. These parameters are supported:
+
#
+
#    * charset=...            The charset used by the feed. iconv is used to convert this.
+
#    * short                  Do not show the description text for each news item.
+
#    * max=x                  Shows x most recent headlines.
+
#    * highlight= term1 term2  The terms separated by a space are highlighted.
+
#    * filter= term1 term2    Show only rss items containing at least one of the terms.
+
#    * reverse                display the rss items in reverse order.
+
#    * title=x                display an alternative title instead of chanel name.
+
#    * title = none            dont display any title.
+
#
+
# Example:
+
#    <rss>http://slashdot.org/slashdot.rss|charset=UTF-8|short|max=5</rss>
+
#
+
 
+
#change this according to your magpie installation!
+
require_once('rss_fetch.inc');
+
 
+
#install extension hook
+
$wgExtensionFunctions[] = "wfRssExtension";
+
 
+
#extension hook callback function
+
function wfRssExtension() {
+
  global $wgParser;
+
 
+
  #install parser hook for <rss> tags
+
  $wgParser->setHook( "rss", "renderRss" );
+
}
+
 
+
#parser hook callback function
+
function renderRss($input, $argv, $parser = null) {
+
  if (!$parser) $parser =& $GLOBALS['wgParser'];
+
  global $wgOutputEncoding;
+
 
+
  $DefaultEncoding = "ISO-8859-1";
+
  $DisableCache = true;
+
 
+
  # $input = mysql_escape_string($input);
+
 
+
  if (!$input) return ""; #if <rss>-section is empty, return nothing
+
 
+
  #parse fields in rss-section
+
  $fields= explode("|",$input);
+
  $url= @$fields[0];
+
 
+
  $args= array();
+
  for ($i=1; $i<sizeof($fields); $i++) {
+
    $f= $fields[$i];
+
 
+
    if (strpos($f,"=")===False) $args[strtolower(trim($f))]= False;
+
    else {
+
      list($k,$v)= explode("=",$f,2);
+
      if (trim($v)==False) $args[strtolower(trim($k))] = False;
+
      else $args[strtolower(trim($k))]= trim($v);
+
    }
+
  }
+
 
+
  #get charset from argument-array   
+
  $charset= @$args["charset"];
+
  if (!$charset) $charset= $DefaultEncoding;
+
 
+
  #get max number of headlines from argument-array
+
  $maxheads = @$args["max"];
+
  $headcnt = 0;
+
 
+
  #get short-flag from argument-array
+
  #if short is set, no description text is printed
+
  if (isset($args["short"])) $short = True; else $short = False;
+
 
+
  #get reverse-flag from argument-array
+
  if (isset($args["reverse"])) $reverse = True; else $reverse = False;
+
 
+
  #get highlight terms from argument-array   
+
  $rssHighlight= @$args["highlight"];
+
  $rssHighlight= str_replace("  "," ", $rssHighlight);
+
  $rssHighlight= explode(" ", trim($rssHighlight));
+
 
+
  #get filter terms from argument-array   
+
  $rssFilter= @$args["filter"];
+
  $rssFilter= str_replace("  "," ", $rssFilter);
+
  $rssFilter= explode(" ", trim($rssFilter));   
+
 
+
  #fetch rss. may be cached locally.
+
  #Refer to the documentation of magpie for details.
+
  $rss = @fetch_rss($url);
+
 
+
 
+
  #check for errors.
+
  if ($rss->ERROR) {
+
    # return "Feed error"; #localize...
+
      #return "<div>Failed to load RSS feed from $url: ".$rss->ERROR."</div>"; #localize...
+
  }
+
 
+
  if (!is_array($rss->items)) {
+
    # return "Feed error"; #localize...
+
      #return "<div>Failed to load RSS feed from $url!</div>"; #localize...
+
  }
+
 
+
  #Bild title line   
+
  #get title from argument-array   
+
 
+
  $rssTitle= @$args["title"];
+
  $rssTitle= trim($rssTitle);
+
 
+
  if ($rssTitle !=='none') {
+
    if ($rssTitle=='') {
+
        $title= iconv($charset,$wgOutputEncoding,$rss->channel['title']);
+
        if ($rss->channel['link']) $title= "[".$rss->channel['link']." $title]";
+
        $output = "=== $title ===\n";
+
    }
+
    else
+
    {
+
      $title= "[".$rss->channel['link']." $rssTitle]";
+
      $output="=== $title ===\n";
+
    }
+
  } else {
+
      $output="\n\n\n";
+
  }
+
 
+
  if ($reverse) $rss->items = array_reverse($rss->items);
+
 
+
  $description = False;
+
  foreach ($rss->items as $item) {
+
      if ($item['description']) {$description = True; break;}
+
  }
+
 
+
  #Bild items
+
  if (!$short and $description) { #full item list
+
 
+
    $output.="";
+
    foreach ($rss->items as $item) {
+
 
+
      $d_text = true;
+
      $d_title = true;
+
 
+
      $href = trim(iconv($charset,$wgOutputEncoding,$item['link']));
+
      $title = trim(iconv($charset,$wgOutputEncoding,$item['title']));
+
 
+
      $d_title = wfRssFilter ($title, $rssFilter);
+
      $title= wfRssHighlight($title, $rssHighlight);
+
 
+
      #bild description text if desired
+
      if ($item["description"]) {
+
        $text= trim(iconv($charset,$wgOutputEncoding,$item['description']));
+
 
+
        #avoid pre-tags
+
        $text= str_replace("\r"," ",$text);
+
        $text= str_replace("\n"," ",$text);
+
        $text= str_replace("\t"," ",$text);
+
 
+
        $d_text = wfRssFilter ($text, $rssFilter);
+
        $text= wfRssHighlight($text, $rssHighlight);
+
 
+
        $display = $d_text or $d_title;
+
 
+
      }
+
        else  {
+
          $text = "";
+
          $display = $d_title;
+
        }     
+
 
+
      if ($display) {
+
        $output.="* [$href $title]";
+
        if ($text) $output.="<br>$text";
+
        $output .= "\n";
+
      }
+
 
+
    #Cut off output when maxheads is reached:
+
    if (++$headcnt == $maxheads)  break;
+
 
+
    }
+
    # $output.="</dl>";
+
  }
+
  else { #short item list
+
  #  $output.="<ul>";
+
    foreach ($rss->items as $item) {
+
      $href = trim(iconv($charset,$wgOutputEncoding,$item['link']));
+
      $title = trim(iconv($charset,$wgOutputEncoding,$item['title']));
+
 
+
        $d_title = wfRssFilter ($title, $rssFilter);
+
        $title= wfRssHighlight($title, $rssHighlight);
+
 
+
        if ($d_title ) $output.="* [$href $title]\n";
+
 
+
      #Cut off output when maxheads is reached:
+
      if (++$headcnt == $maxheads)  break;
+
    }
+
    # $output.="</ul>";
+
  }
+
 
+
 
+
  if ($DisableCache) {
+
 
+
    global $wgVersion;
+
 
+
    # Do not cache this wiki page.
+
    # for details see http://public.kitware.com/Wiki/User:Barre/MediaWiki/Extensions
+
    global $wgTitle, $wgDBprefix;
+
    $ts = mktime();
+
    $now = gmdate("YmdHis", $ts + 120);
+
    $ns = $wgTitle->getNamespace();
+
    $ti = wfStrencode($wgTitle->getDBkey());
+
 
+
    $version = preg_replace("/^([1-9]).([1-9]).*/", "\\1\\2", $wgVersion);
+
    if ($version>14) $sql = "UPDATE $wgDBprefix"."page SET page_touched='$now' WHERE page_namespace=$ns AND page_title='$ti'";
+
    else            $sql = "UPDATE $wgDBprefix"."cur SET cur_touched='$now' WHERE cur_namespace=$ns AND cur_title='$ti'";
+
 
+
    wfQuery($sql, DB_WRITE, "");
+
  }
+
 
+
  $out = $parser->parse ($output, $parser->mTitle,$parser->mOptions, true, false);
+
  return $out->getText();
+
}
+
 
+
 
+
function wfRssFilter ($text, $rssFilter) {
+
 
+
  $display = true;
+
 
+
  if (is_array($rssFilter)) {
+
    foreach($rssFilter as $term) {
+
 
+
      if ($term) {
+
        $display = false;
+
        if (preg_match("|$term|i", $text, $a))  {  $display = true; return $display; }
+
      }
+
    if ($display) break;
+
    }
+
  }
+
  return $display;
+
}
+
 
+
 
+
function wfRssHighlight($text, $rssHighlight) {
+
 
+
  $i=0;
+
  $starttag = "v8x5u3t3u8h";
+
  $endtag  = "q8n4f6n4n4x";
+
 
+
  $color[]="coral";
+
  $color[]="greenyellow";
+
  $color[]="lightskyblue";
+
  $color[]="gold";
+
  $color[]="violet";
+
 
+
  $count_color = count($color);
+
 
+
  if (is_array($rssHighlight)) {
+
    foreach($rssHighlight as $term) {
+
      if ($term) {
+
        $text = preg_replace("|\b(\w*?".$term."\w*?)\b|i", "$starttag"."_".$i."\\1$endtag", $text);
+
        $i++;
+
        if ($i == $count_color) $i=0;
+
        }
+
      }
+
    }
+
  # to avoid trouble should someone wants to highlight the terms "span", "style", ...
+
  for ($i=0; $i<5; $i++) {
+
    $text = preg_replace("|$starttag"."_".$i."|", "<span style=\"background-color:".$color[$i]."; font-weight: bold;\">", $text);
+
    $text = preg_replace("|$endtag|", "</span>", $text);
+
    }
+
 
+
  return $text;
+
}
+
 
+
?></nowiki>
+
</pre>
+
</noinclude>
+

Latest revision as of 15:43, 20 December 2008

LinkStation_General at Yahoo! Groups

<feed url="http://rss.groups.yahoo.com/group/LinkStation_General/rss" entries=7>

  • [{PERMALINK} {TITLE}]

</feed>

NAS Central Blog

<feed url="http://blog.nas-central.org/feed/" entries=5>

  • [{PERMALINK} {TITLE}]

</feed>

Foonas Blog

<feed url="http://blog.foonas.org/feed/" entries=5>

  • [{PERMALINK} {TITLE}]

</feed>