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 (!class_exists('pdf_context', false)) {

    class pdf_context {

        /**

         * Modi

         *

         * @var integer 0 = file | 1 = string

         */

        var $_mode = 0;

            var $file;

            var $buffer;

            var $offset;

            var $length;

            var $stack;

            // Constructor

            function pdf_context(&$f) {

                    $this->file =& $f;

                    if (is_string($this->file))

                        $this->_mode = 1;

                    $this->reset();

            }

            // Optionally move the file

            // pointer to a new location

            // and reset the buffered data

            function reset($pos = null, $l = 100) {

                if ($this->_mode == 0) {

                    if (!is_null ($pos)) {

                                fseek ($this->file, $pos);

                        }

                        $this->buffer = $l > 0 ? fread($this->file, $l) : '';

                        $this->length = strlen($this->buffer);

                        if ($this->length < $l)

                    $this->increase_length($l - $this->length);

                } else {

                    $this->buffer = $this->file;

                    $this->length = strlen($this->buffer);

                }

                    $this->offset = 0;

                    $this->stack = array();

            }

            // Make sure that there is at least one

            // character beyond the current offset in

            // the buffer to prevent the tokenizer

            // from attempting to access data that does

            // not exist

            function ensure_content() {

                    if ($this->offset >= $this->length - 1) {

                            return $this->increase_length();

                    } else {

                            return true;

                    }

            }

            // Forcefully read more data into the buffer

            function increase_length($l = 100) {

                        if ($this->_mode == 0 && feof($this->file)) {

                                return false;

                        } elseif ($this->_mode == 0) {

                            $totalLength = $this->length + $l;

                            do {

                                    $toRead = $totalLength - $this->length;

                                    if ($toRead < 1)

                                            break;

                                    $this->buffer .= fread($this->file, $toRead);

                    } while ((($this->length = strlen($this->buffer)) != $totalLength) && !feof($this->file));

                                return true;

                        } else {

                        return false;

                        }

                }

    }

}