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<?php /* -*- Mode: php; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
include_once($UTIL_DIR . "/convert.php");
include_once($UTIL_DIR . "/smileys.php");
//
// preg_replace
// strtr
// ereg_replace
// str_replace
// error_reporting
//
// http://www1.cs.columbia.edu/~lennox/perlre.html
function parse($input, $indent = "")
{
global $testing;
// Remove all tags from input (convert to xml)
$output = convert_xml($input);
// Replace newlines with '\n' and indent code.
$nls = array("\n\r", "\n\c", "\n");
$nls = str_replace($nls, "\n" . $indent, $indent . $output);
$output = $nls;
// Put in the smileys
global $smileys;
foreach($smileys as $smiley) {
$smile = $smiley[0];
$smile = str_replace($smile, "<img alt=\"\" src=\"gfx/smileys/" . $smiley[1] . "\"></img>", $output);
$output = $smile;
}
// Find a unique symbols for image start and end markers
$imgstartsymbol = "A";
$imgstartmarker = $imgstartsymbol;
while(strpos($output, $imgstartmarker)) $imgstartmarker .= $imgstartsymbol;
$imgendsymbol = "B";
$imgendmarker = $imgendsymbol;
while(strpos($output, $imgendmarker)) $imgendmarker .= $imgendsymbol;
// Find and mark image URLs (so that they don't get converted into normal <a/> links)
$output = preg_replace("/http:\/\/(\S*?\.JPG|\S*?\.jpg|\S*?\.gif|\S*?\.png|\S*?\.jpeg)/", $imgstartmarker."$1".$imgendmarker, $output);
// Replace URLs with <a></a> tags
$output = preg_replace("/http:\/\/(\S*?)([\n ]|$)/s", "<a href=\"http://$1\">$1</a>$2", $output);
// Convert marked images to img tags and links
$output = preg_replace("/".$imgstartmarker."(\S*?)".$imgendmarker."/s", "<a href=\"http://$1\"><img alt=\"$1\" src=\"?mode=imagecache&uri=http://$1\"/></a>", $output);
// Replace file links with their thumbnails.
$output = preg_replace("/\{\{([0-9]*?)\}\}/s", "<a href=\"?mode=file&fid=$1\"><img src=\"?mode=file&preview=1&fid=$1\"/></a>", $output);
// Replace [quote title=...]...[/quote]
$urls = "";
while(($start = strpos($output, "[quote"))) {
$pre = substr($output, 0, $start);
$url = substr($output, $start);
$end = strpos($url, "[/quote]") + strlen("[/quote]");
$url = substr($url, 0, $end - strlen("[/quote]"));
$post = substr($output, $start + $end + strlen("[/quote]") );
$header = substr($url, 0, strpos($url, "]") + 1);
$body = substr($url, strpos($url, "]") + 1);
$header = str_replace(array("title"), "", $header);
$header = str_replace(array("="), "<div class=\"title\">", $header);
$header = str_replace(array("[quote"), "<div class=\"quote\">", $header);
$header = str_replace(array("]"), " </div>", $header);
$urls .= $pre . $header . $body . "</div>";
$output = $post;
}
$urls .= $output;
$output = $urls;
//
// Hack to make quotes two levels deep.
//
// Replace [quote title=...]...[/quote]
$urls = "";
while(($start = strpos($output, "[quote"))) {
$pre = substr($output, 0, $start);
$url = substr($output, $start);
$end = strpos($url, "[/quote]") + strlen("[/quote]");
$url = substr($url, 0, $end - strlen("[/quote]"));
$post = substr($output, $start + $end + strlen("[/quote]") );
$header = substr($url, 0, strpos($url, "]") + 1);
$body = substr($url, strpos($url, "]") + 1);
$header = str_replace(array("title"), "", $header);
$header = str_replace(array("="), "<div class=\"title\">", $header);
$header = str_replace(array("[quote"), "<div class=\"quote\">", $header);
$header = str_replace(array("]"), " </div>", $header);
$urls .= $pre . $header . $body . "</div>";
$output = $post;
}
$urls .= $output;
$output = $urls;
$search = array('/\[b\](.*?)\[\/b\]/is',
'/\[i\](.*?)\[\/i\]/is',
'/\[u\](.*?)\[\/u\]/is');
$replace = array('<strong>$1</strong>',
'<em>$1</em>',
'<u>$1</u>');
$output = preg_replace ($search, $replace, $output);
// Replace newlines with <br/> tags
$nls = array("\n");
$nls = str_replace($nls, "<br/>\n", $output);
$output = $nls;
return $output;
}
?>
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