<?
# you can change the values in this box.
########################################################################
$max_count = 20;          # number of entries to display               #
$date_format ="d M Y";    # see formatting at php.net/date             #
$username = "tentaizu";   # del.icio.us username                       #
$cache_timeout = 30;      # time between hits to del.icio.us servers   #
                          #  (in minutes)                              #
########################################################################
$dorkzilla = false;       # enable dorkzilla.org-specific stuff        #
########################################################################
# ignore everything else.

$tree = array();
$entry_title;
$link;
$date;
$thisdate;
$description;
$tags = array();
$initem = false;
$current_tag;

function startElement($parser, $name, $attrs)
{
    global $tree, $initem, $tags;
    switch($name)
    {
        case "RDF:LI":
            if ($initem && !empty($attrs['RESOURCE']))
            {
                $parts = explode("/",$attrs['RESOURCE']);
                array_push($tags,end($parts));
            }
            break;
        case "ITEM":
            $initem = true;
            break;
    }
    array_push($tree,$name);
}

function endElement($parser,$name)
{
    global $entry_title, $link, $date, $description, $thisdate;
    global $tree,$initem, $count,$max_count,$tags;
    $current = end($tree);

    if ($count < $max_count)
        switch($current)
        {
            case "ITEM":
                if ($thisdate != $date)
                {
                    print "\n<div class=\"date\">$date</div>\n\n";
                    $thisdate = $date;
                }?>
                
                <div class="entry">
                    <a href="<?=$link?>" class="title"><?=$entry_title?></a>
                    <div class="tags">
                        <?
                        foreach($tags as $tag)
                            print "$tag ";
                    ?>
                    
                    </div>
                    <div class="description"><?=$description?></div>
                </div>
                <?
                $initem = false;
                $entry_title = null;
                $link = null;
                $date = null;
                $description = null;
                $tags = array();
                $count++;
                break;
        }

    array_pop($tree);
}

function characterData($parser, $data)
{
    global $tree,$initem;
    global $entry_title, $link, $date, $description;
    global $date_format;
    switch(end($tree))
    {
        case "TITLE":
            if ($initem)
                $entry_title.= html_entity_decode($data);
        break;
        case "LINK":
            if ($initem)
                $link.= $data;
        break;
        case "DESCRIPTION":
            if ($initem)
                $description.= $data;
        break;
        case "DC:DATE":
            $data = preg_replace("/[a-zA-Z]/"," ",$data);
            if ($initem)
                $date.= date($date_format,strtotime($data));

        break;
    }
}


$tempdir = empty($_ENV['TMPDIR']) ? "/tmp" : rtrim($_ENV['TMPDIR'],"/");

$url = "http://del.icio.us/rss/$username";
$cachefile = "$tempdir/del.icio.us-rss-$username";

$crusty = strtotime("-$cache_timeout minutes");
if (!is_file($cachefile) or filemtime($cachefile) < $crusty)
{
    $urlfh = fopen($url,"r") or $err = "couldn't connect to del.icio.us";
    if (empty($err))
    {
        $cachefh = fopen($cachefile,"w") or
                                die ("couldn't open cachefile");
        while ($line = fread($urlfh,4096))
            fwrite($cachefh,$line);
        fclose($urlfh);
        fclose($cachefh);
    }
    else
        print $err;
}


$xml_parser = xml_parser_create();
xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, true);
xml_parser_set_option($xml_parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');

xml_set_element_handler($xml_parser, "startElement", "endElement");
xml_set_character_data_handler($xml_parser, "characterData");
$fp = fopen($cachefile, "r") or die("could not open XML input " . $file);

if ($dorkzilla === true)
{
    $title="del.icio.us :: $username";
    include "../header.php";
}
print "<div class=\"delicious\">\n";
while ($data = fread($fp, 4096))
{
    xml_parse($xml_parser, $data, feof($fp)) or 
        die (sprintf("XML error: %s at line %d",
            xml_error_string(xml_get_error_code($xml_parser)),
            xml_get_current_line_number($xml_parser)));
    
}
xml_parser_free($xml_parser);
print "</div>";
if ($dorkzilla === true)
    include "../footer.php";
?>