source: branches/comu-ver2/data/pdf/pdf_context.php @ 17182

Revision 17182, 1.8 KB checked in by Yammy, 14 years ago (diff)

 https://svn.ec-cube.net/open/branches/comu-euc よりPDF 帳票出力移行
とりあえず動作することこまで。

Line 
1<?php
2//
3//  FPDI - Version 1.2
4//
5//    Copyright 2004-2007 Setasign - Jan Slabon
6//
7//  Licensed under the Apache License, Version 2.0 (the "License");
8//  you may not use this file except in compliance with the License.
9//  You may obtain a copy of the License at
10//
11//      http://www.apache.org/licenses/LICENSE-2.0
12//
13//  Unless required by applicable law or agreed to in writing, software
14//  distributed under the License is distributed on an "AS IS" BASIS,
15//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16//  See the License for the specific language governing permissions and
17//  limitations under the License.
18//
19
20class pdf_context {
21
22    var $file;
23    var $buffer;
24    var $offset;
25    var $length;
26
27    var $stack;
28
29    // Constructor
30
31    function pdf_context($f) {
32        $this->file = $f;
33        $this->reset();
34    }
35
36    // Optionally move the file
37    // pointer to a new location
38    // and reset the buffered data
39
40    function reset($pos = null, $l = 100) {
41        if (!is_null ($pos)) {
42            fseek ($this->file, $pos);
43        }
44
45        $this->buffer = $l > 0 ? fread($this->file, $l) : '';
46        $this->offset = 0;
47        $this->length = strlen($this->buffer);
48        $this->stack = array();
49    }
50
51    // Make sure that there is at least one
52    // character beyond the current offset in
53    // the buffer to prevent the tokenizer
54    // from attempting to access data that does
55    // not exist
56
57    function ensure_content() {
58        if ($this->offset >= $this->length - 1) {
59            return $this->increase_length();
60        } else {
61            return true;
62        }
63    }
64
65    // Forcefully read more data into the buffer
66
67    function increase_length($l=100) {
68        if (feof($this->file)) {
69            return false;
70        } else {
71            $this->buffer .= fread($this->file, $l);
72            $this->length = strlen($this->buffer);
73            return true;
74        }
75    }
76
77}
78?>
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