<?php
/* File: $Id: theme.css.php 170 2006-02-18 15:28:10Z l_a_toth $ */

/**
 * Parse every css files in $theme/css
 *
 * @package YaCM Portal System
 * @copyright (C) 2004,2005 László Attila Tóth <hide@address.com>
 * @license GPL {@link http://www.gnu.org/licenses/gpl.html}
 * @link http://panther.web.elte.hu/yacm/
 *
 * @subpackage themes
 * @author László Attila Tóth <hide@address.com>
 */

header('Content-Type: text/css');

if (is_readable('../var/config.php')) {
    require_once '../var/config.php';
    $THEME_DIRECTORY =  Config::web_directory;
} else {
    $THEME_DIRECTORY =  '.';
}

require_once '../functions.php';

cache_novalidate(300);

$theme = 'default';
if ( array_key_exists( 'PATH_INFO' ,$_SERVER) &&
     preg_match('#^/[a-z0-9]+$#',$_SERVER['PATH_INFO'])
     )	
{
  $theme = preg_replace('/^\//','', $_SERVER['PATH_INFO']);
}
if (!preg_match('/^[[:alnum:]]+$/',$theme))  exit;

// theme is now valid

$THEME_DIRECTORY .= '/themes/' . $theme . '/';
$from = array('/\{\$THEME_DIRECTORY\}/');
$to = array($THEME_DIRECTORY);


$from_ie = array('#/\*[^*]*\*/#' );
$to_ie = array('');

$from = array_merge($from_ie, $from );
$to = array_merge($to_ie, $to);

function PrintFile($file) {
  global $from, $to;
  $fh = fopen($file, 'r');
  $buf = fread($fh, filesize($file));
  fclose($fh);
  echo preg_replace($from, $to,$buf);
}



function TraverseDir($dir) {
  if (is_dir($dir)) {
    if ($dh = opendir($dir)) {
      while (($file = readdir($dh)) !== false) {
	if ($file == '.' or $file == '..' ) continue;
	$file = $dir . '/' . $file;
	if (is_file( $file ) && preg_match( '/.css$/', $file ) ) {
	  PrintFile( $file);
	} else if ( is_dir( $file) && ! is_link( $file ) ) {
	  TraverseDir( $file );
	}	    	
      }
      closedir($dh);
    }
  }
}
TraverseDir( $theme . '/css' );

?>