Club Drupal

<?php

//

//  FPDI - Version 1.4.4

//

//    Copyright 2004-2013 Setasign - Jan Slabon

//

//  Licensed under the Apache License, Version 2.0 (the "License");

//  you may not use this file except in compliance with the License.

//  You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

//  Unless required by applicable law or agreed to in writing, software

//  distributed under the License is distributed on an "AS IS" BASIS,

//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

//  See the License for the specific language governing permissions and

//  limitations under the License.

//

if (!defined('ORD_z'))

        define('ORD_z',ord('z'));

if (!defined('ORD_exclmark'))

        define('ORD_exclmark', ord('!'));

if (!defined('ORD_u'))        

        define('ORD_u', ord('u'));

if (!defined('ORD_tilde'))

        define('ORD_tilde', ord('~'));

if (!class_exists('FilterASCII85', false)) {

    class FilterASCII85 {

        function error($msg) {

            die($msg);

        }

        function decode($in) {

            $out = '';

            $state = 0;

            $chn = null;

            $l = strlen($in);

            for ($k = 0; $k < $l; ++$k) {

                $ch = ord($in[$k]) & 0xff;

                if ($ch == ORD_tilde) {

                    break;

                }

                if (preg_match('/^\s$/',chr($ch))) {

                    continue;

                }

                if ($ch == ORD_z && $state == 0) {

                    $out .= chr(0) . chr(0) . chr(0) . chr(0);

                    continue;

                }

                if ($ch < ORD_exclmark || $ch > ORD_u) {

                    return $this->error('Illegal character in ASCII85Decode.');

                }

                $chn[$state++] = $ch - ORD_exclmark;

                if ($state == 5) {

                    $state = 0;

                    $r = 0;

                    for ($j = 0; $j < 5; ++$j)

                        $r = $r * 85 + $chn[$j];

                    $out .= chr($r >> 24);

                    $out .= chr($r >> 16);

                    $out .= chr($r >> 8);

                    $out .= chr($r);

                }

            }

            $r = 0;

            if ($state == 1)

                return $this->error('Illegal length in ASCII85Decode.');

            if ($state == 2) {

                $r = $chn[0] * 85 * 85 * 85 * 85 + ($chn[1]+1) * 85 * 85 * 85;

                $out .= chr($r >> 24);

            }

            else if ($state == 3) {

                $r = $chn[0] * 85 * 85 * 85 * 85 + $chn[1] * 85 * 85 * 85  + ($chn[2]+1) * 85 * 85;

                $out .= chr($r >> 24);

                $out .= chr($r >> 16);

            }

            else if ($state == 4) {

                $r = $chn[0] * 85 * 85 * 85 * 85 + $chn[1] * 85 * 85 * 85  + $chn[2] * 85 * 85  + ($chn[3]+1) * 85 ;

                $out .= chr($r >> 24);

                $out .= chr($r >> 16);

                $out .= chr($r >> 8);

            }

            return $out;

        }

        function encode($in) {

            return $this->error("ASCII85 encoding not implemented.");

        }

    }

}