<?
    /**
     * Fitxer de funcions auxiliars
     *
     * @category BeWeB
     * @package base
     * @version 1.0 RC1
     * @author Marc Pujol <marc@canbasis.com>
     * @copyright Copyright &copy; 2007, Entorn Web S.C.P.
     */

    if(!function_exists('file_put_contents')) {
        define('FILE_APPEND', 8);
        /**
         * Escriu el contingut de l'string $data al fitxer $filename
         * Extracted from Pear::PHP_Compat
         */
        function file_put_contents($filename, $data, $file_append = false) {
            $fp = fopen($filename, (!$file_append ? 'w+' : 'a+'));
            if(!$fp) {
                trigger_error('file_put_contents cannot write in file.', E_USER_ERROR);
                return;
            }
            fputs($fp, $data);
            fclose($fp);
        }
    }

    /**
    * Retrieve directory listing
    * @author Jason Wong
    */
    if (!function_exists('list_directory')) {
        function list_directory($dir) {
            $file_list = '';
            $stack[] = $dir;
            while ($stack) {
                $current_dir = array_pop($stack);
                if ($dh = opendir($current_dir)) {
                    while (($file = readdir($dh)) !== false) {
                        if ($file !== '.' AND $file !== '..') {
                            $current_file = "{$current_dir}/{$file}";
                            if (is_file($current_file)) {
                                $file_list[] = "{$current_dir}/{$file}";
                            } elseif (is_dir($current_file)) {
                                $stack[] = $current_file;
                            }
                        }
                    }
                }
            }
            return $file_list;
        }
    }

    /**
     * Filter an array based on a regexp
     */
    if ( !function_exists('array_preg_filter') ) {
        function array_preg_filter(&$array,$regexp) {
            if (!is_array($array)) return array();
            reset($array);
            while (list ($key, $val) = each ($array)) {
                if (!preg_match($regexp,$val,$matches))
                    unset($array[$key]);
                else
                    $out[$val] = $matches[1];
            }
            return $out;
        }
    }

    if ( !function_exists('array_trim') ) {
        function array_trim($ary) {
            $out = array();
            if (!is_array($ary)) return $out;
            foreach ($ary as $k=>$v) {
                if (is_array($v))
                    $out[$k] = array_trim($v);
                else
                    $out[$k] = trim($v);
            }
            return $out;
        }
    }

    if ( !function_exists('mysql_prepare_values')) {
        function mysql_prepare_values(&$value,$key,$update=false) {
            if (strtolower($value) == 'null' || $value === null)
                $value = 'NULL';
            else
                $value = "'" . mysql_real_escape_string($value) . "'";
            if ($update) $value = "$key = $value";
        }
    }

    if ( !function_exists('get_image_path'))  {
        function get_image_path($path,$w=null,$h=null,$id=null,$ext='') {
            global $setup;
            global $module;

            $w = intval($w);
            $h = intval($h);
            $m = (empty($ext)?$module->name:$ext);

            $cached_img =  $m . DIRECTORY_SEPARATOR . $w . 'x'. $h . $path;
            if (!is_file($setup->getConfig('cache_dir') . $cached_img)) {
                create_cached_image($m,$id,$w,$h);
            }
            return $setup->getConfig('cache_url') . $cached_img;
        }
    }

    if ( !function_exists('create_cached_image') ) {
        function create_cached_image($m,$id,$width,$height) {
            require_once 'class/file.class.php';
            global $setup;

            if ($width == 0) $width = "*";
            if ($height == 0) $height = "*";
            $img = new BeWeB_Image();
            $img->loadFromDB( $m, $id );
            $img->resize( $width, $height );
            // Caching stuff
            $cache_dir = $setup->getConfig('cache_dir') . DIRECTORY_SEPARATOR . $m;
            if ( is_dir( $cache_dir ) || mkdir( $cache_dir ) )
                $img->save( $cache_dir . DIRECTORY_SEPARATOR . intval($width) . 'x' . intval($height) );
        }
    }

    if ( !function_exists('get_file_mimetype') ) {
        function get_file_mimetype( $ext ) {
            include 'mimetypes.inc.php';
            return (isset($type[$ext]) ? $type[$ext] : 'app/unknown');
        }
    }

    if ( !function_exists('BeWeB_Error_handler') ) {
        function BeWeB_Error_handler($errno, $errstr, $errfile, $errline) {

            if ( substr($errstr, 0, 16) == 'var: Deprecated.') {
                return true;
            }
            if ( substr($errstr, 0, 23) == 'Non-static method BeWeB') {
                return true;
            }
            if ( substr($errstr, 0, 48) == 'Redefining already defined constructor for class') {
            	return true;
            }

            return false;
        }
    }

?>