+++ /dev/null
-<?php
-//
-// FPDI - Version 1.2
-//
-// Copyright 2004-2007 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.
-//
-
-class pdf_context {
-
- var $file;
- var $buffer;
- var $offset;
- var $length;
-
- var $stack;
-
- // Constructor
-
- function pdf_context($f) {
- $this->file = $f;
- $this->reset();
- }
-
- // Optionally move the file
- // pointer to a new location
- // and reset the buffered data
-
- function reset($pos = null, $l = 100) {
- if (!is_null ($pos)) {
- fseek ($this->file, $pos);
- }
-
- $this->buffer = $l > 0 ? fread($this->file, $l) : '';
- $this->offset = 0;
- $this->length = strlen($this->buffer);
- $this->stack = array();
- }
-
- // Make sure that there is at least one
- // character beyond the current offset in
- // the buffer to prevent the tokenizer
- // from attempting to access data that does
- // not exist
-
- function ensure_content() {
- if ($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 (feof($this->file)) {
- return false;
- } else {
- $this->buffer .= fread($this->file, $l);
- $this->length = strlen($this->buffer);
- return true;
- }
- }
-
-}
-?>
\ No newline at end of file