|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* @file |
|
5
|
|
|
* This file is part of the PdfParser library. |
|
6
|
|
|
* |
|
7
|
|
|
* @author Sébastien MALOT <[email protected]> |
|
8
|
|
|
* @date 2017-01-03 |
|
9
|
|
|
* |
|
10
|
|
|
* @license LGPLv3 |
|
11
|
|
|
* @url <https://github.com/smalot/pdfparser> |
|
12
|
|
|
* |
|
13
|
|
|
* PdfParser is a pdf library written in PHP, extraction oriented. |
|
14
|
|
|
* Copyright (C) 2017 - Sébastien MALOT <[email protected]> |
|
15
|
|
|
* |
|
16
|
|
|
* This program is free software: you can redistribute it and/or modify |
|
17
|
|
|
* it under the terms of the GNU Lesser General Public License as published by |
|
18
|
|
|
* the Free Software Foundation, either version 3 of the License, or |
|
19
|
|
|
* (at your option) any later version. |
|
20
|
|
|
* |
|
21
|
|
|
* This program is distributed in the hope that it will be useful, |
|
22
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
23
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
24
|
|
|
* GNU Lesser General Public License for more details. |
|
25
|
|
|
* |
|
26
|
|
|
* You should have received a copy of the GNU Lesser General Public License |
|
27
|
|
|
* along with this program. |
|
28
|
|
|
* If not, see <http://www.pdfparser.org/sites/default/LICENSE.txt>. |
|
29
|
|
|
*/ |
|
30
|
|
|
|
|
31
|
|
|
namespace Smalot\PdfParser; |
|
32
|
|
|
|
|
33
|
|
|
use Smalot\PdfParser\Element\ElementNumeric; |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* Class Encoding |
|
37
|
|
|
*/ |
|
38
|
|
|
class Encoding extends PDFObject |
|
39
|
|
|
{ |
|
40
|
|
|
/** |
|
41
|
|
|
* @var array |
|
42
|
|
|
*/ |
|
43
|
|
|
protected $encoding; |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* @var array |
|
47
|
|
|
*/ |
|
48
|
|
|
protected $differences; |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* @var array |
|
52
|
|
|
*/ |
|
53
|
|
|
protected $mapping; |
|
54
|
|
|
|
|
55
|
3 |
|
public function init() |
|
56
|
|
|
{ |
|
57
|
3 |
|
$this->mapping = []; |
|
58
|
3 |
|
$this->differences = []; |
|
59
|
3 |
|
$this->encoding = []; |
|
60
|
|
|
|
|
61
|
3 |
|
if ($this->has('BaseEncoding')) { |
|
62
|
|
|
// Load reference table charset. |
|
63
|
|
|
$baseEncoding = preg_replace('/[^A-Z0-9]/is', '', $this->get('BaseEncoding')->getContent()); |
|
64
|
|
|
$className = '\\Smalot\\PdfParser\\Encoding\\'.$baseEncoding; |
|
65
|
|
|
|
|
66
|
|
|
if (!class_exists($className)) { |
|
67
|
|
|
throw new \Exception('Missing encoding data for: "'.$baseEncoding.'".'); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
$class = new $className(); |
|
71
|
|
|
$this->encoding = $class->getTranslations(); |
|
72
|
|
|
|
|
73
|
|
|
// Build table including differences. |
|
74
|
|
|
$differences = $this->get('Differences')->getContent(); |
|
75
|
|
|
$code = 0; |
|
76
|
|
|
|
|
77
|
|
|
if (!\is_array($differences)) { |
|
78
|
|
|
return; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
foreach ($differences as $difference) { |
|
82
|
|
|
/** @var ElementNumeric $difference */ |
|
83
|
|
|
if ($difference instanceof ElementNumeric) { |
|
84
|
|
|
$code = $difference->getContent(); |
|
85
|
|
|
continue; |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
// ElementName |
|
89
|
|
|
$this->differences[$code] = $difference; |
|
90
|
|
|
if (\is_object($difference)) { |
|
91
|
|
|
$this->differences[$code] = $difference->getContent(); |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
// For the next char. |
|
95
|
|
|
++$code; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
// Build final mapping (custom => standard). |
|
99
|
|
|
$table = array_flip(array_reverse($this->encoding, true)); |
|
100
|
|
|
|
|
101
|
|
|
foreach ($this->differences as $code => $difference) { |
|
102
|
|
|
/* @var string $difference */ |
|
103
|
|
|
$this->mapping[$code] = (isset($table[$difference]) ? $table[$difference] : Font::MISSING); |
|
104
|
|
|
} |
|
105
|
|
|
} |
|
106
|
3 |
|
} |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* @return array |
|
110
|
|
|
*/ |
|
111
|
2 |
|
public function getDetails($deep = true) |
|
112
|
|
|
{ |
|
113
|
2 |
|
$details = []; |
|
114
|
|
|
|
|
115
|
2 |
|
$details['BaseEncoding'] = ($this->has('BaseEncoding') ? (string) $this->get('BaseEncoding') : 'Ansi'); |
|
116
|
2 |
|
$details['Differences'] = ($this->has('Differences') ? (string) $this->get('Differences') : ''); |
|
117
|
|
|
|
|
118
|
2 |
|
$details += parent::getDetails($deep); |
|
119
|
|
|
|
|
120
|
2 |
|
return $details; |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
|
|
/** |
|
124
|
|
|
* @return int |
|
125
|
|
|
*/ |
|
126
|
2 |
|
public function translateChar($dec) |
|
127
|
|
|
{ |
|
128
|
2 |
|
if (isset($this->mapping[$dec])) { |
|
129
|
|
|
$dec = $this->mapping[$dec]; |
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
2 |
|
return $dec; |
|
133
|
|
|
} |
|
134
|
|
|
} |
|
135
|
|
|
|
smalot /
pdfparser
