forum/utils/parser.php


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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
//

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;
	}

  // Insert images
  $output = preg_replace("/http:\/\/(.*\.jpg|\.gif|\.png|\.jpeg)/s", "IMAGE$1EGAMI", $output);

	// Replace URLs with <a></a> tags
  $output = preg_replace("/http:\/\/(.*?)([\n ])/s", "<a href=\"http://$1\">$1</a>$2", $output);

  // Finish inserting images
  $output = preg_replace("/IMAGE(.*?)EGAMI/s", "<img alt=\"$1\" src=\"imagecache.php?filename=$1\"/>", $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',
                        '/\[img\](.*?)\[\/img\]/is',
                        '/\[url\](.*?)\[\/url\]/is',
                        '/\[url\=(.*?)\](.*?)\[\/url\]/is'
                        );

        $replace = array(
                         '<strong>$1</strong>',
                         '<em>$1</em>',
                         '<u>$1</u>',
                         '<img src="$1" />',
                         '<a href="$1">$1</a>',
                         '<a href="$1">$2</a>'
                         );

        $output = preg_replace ($search, $replace, $output);
        /*
       // <b></b>
        $b = array("[b]", "[B]");
        $b = str_replace($b, "<strong>", $output);
        $output = $b;

        $b = array("[/b]", "[/B]");
        $b = str_replace($b, "</strong>", $output);
        $output = $b;

        // <i></i>
        $i = array("[i]", "[I]");
        $i = str_replace($i, "<em>", $output);
        $output = $i;

        $i = array("[/i]", "[/i]");
        $i = str_replace($i, "</em>", $output);
        $output = $i;
        */

	// Replace newlines with <br/> tags
	$nls = array("\n");
	$nls = str_replace($nls, "<br/>\n", $output);
	$output = $nls;

	return $output;
}

?>