pukiwiki/plugin/rss10.inc.php

<?php
/////////////////////////////////////////////////
// PukiWiki - Yet another WikiWikiWeb clone.
//
// $Id: rss10.inc.php,v 1.11 2004/03/18 09:18:41 arino Exp $
//
// RecentChanges の RSS を出力
function plugin_rss10_action()
{
        global $script,$rss_max,$page_title,$whatsnew;
        global $trackback;

        $self = (preg_match('#^https?://#',$script) ? $script : get_script_uri());
        if ($self === FALSE)
        {
                die_message("please set '\$script' in ".INI_FILE);
        }

        $page_title_utf8 = mb_convert_encoding($page_title,'UTF-8',SOURCE_ENCODING);

        $items = $rdf_li = '';

        if (!file_exists(CACHE_DIR.'recent.dat'))
        {
                return '';
        }
        $recent = file(CACHE_DIR.'recent.dat');
        $lines = array_splice($recent,0,$rss_max);
        foreach ($lines as $line)
        {
                list($time,$page) = explode("\t",rtrim($line));
                $r_page = rawurlencode($page);
                $title = mb_convert_encoding($page,'UTF-8',SOURCE_ENCODING);
                // 'O'が出力する時刻を'+09:00'の形に整形
                $dc_date = substr_replace(get_date('Y-m-d\TH:i:sO',$time),':',-2,0);

//              $desc = get_date('D, d M Y H:i:s T',$time);
// <description>$desc</description>

                $dc_identifier = $trackback_ping = '';
                if ($trackback)
                {
                        $tb_id = md5($r_page);
                        $dc_identifier = " <dc:identifier>$self?$r_page</dc:identifier>";
                        $trackback_ping = " <trackback:ping>$self?tb_id=$tb_id</trackback:ping>";
                }
                $items .= <<<EOD
<item rdf:about="$self?$r_page">
 <title>$title</title>
 <link>$self?$r_page</link>
 <dc:date>$dc_date</dc:date>
$dc_identifier
$trackback_ping
</item>

EOD;
                $rdf_li .= "    <rdf:li rdf:resource=\"$self?$r_page\" />\n";
        }

        $xmlns_trackback = $trackback ?
                '  xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/"' : '';

        header('Content-type: application/xml');

        $r_whatsnew = rawurlencode($whatsnew);

        print <<<EOD
<?xml version="1.0" encoding="utf-8"?>

<rdf:RDF
  xmlns:dc="http://purl.org/dc/elements/1.1/"
$xmlns_trackback
  xmlns="http://purl.org/rss/1.0/"
  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xml:lang="ja">

 <channel rdf:about="$self?$r_whatsnew">
  <title>$page_title_utf8</title>
  <link>$self?$r_whatsnew</link>
  <description>PukiWiki RecentChanges</description>
  <items>
   <rdf:Seq>
$rdf_li
   </rdf:Seq>
  </items>
 </channel>

$items
</rdf:RDF>
EOD;
        exit;
}
?>