1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/** Internally used classes */
#require_once 'Zend/Pdf/Element/Name.php';
/** Zend_Pdf_Element */
#require_once 'Zend/Pdf/Element.php';
/**
* PDF file 'dictionary' element implementation
*
* @category Zend
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Pdf_Element_Dictionary extends Zend_Pdf_Element
{
/**
* Dictionary elements
* Array of Zend_Pdf_Element objects ('name' => Zend_Pdf_Element)
*
* @var array
*/
private $_items = array();
/**
* Object constructor
*
* @param array $val - array of Zend_Pdf_Element objects
* @throws Zend_Pdf_Exception
*/
public function __construct($val = null)
{
if ($val === null) {
return;
} else if (!is_array($val)) {
#require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Argument must be an array');
}
foreach ($val as $name => $element) {
if (!$element instanceof Zend_Pdf_Element) {
#require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Array elements must be Zend_Pdf_Element objects');
}
if (!is_string($name)) {
#require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Array keys must be strings');
}
$this->_items[$name] = $element;
}
}
/**
* Add element to an array
*
* @name Zend_Pdf_Element_Name $name
* @param Zend_Pdf_Element $val - Zend_Pdf_Element object
* @throws Zend_Pdf_Exception
*/
public function add(Zend_Pdf_Element_Name $name, Zend_Pdf_Element $val)
{
$this->_items[$name->value] = $val;
}
/**
* Return dictionary keys
*
* @return array
*/
public function getKeys()
{
return array_keys($this->_items);
}
/**
* Get handler
*
* @param string $property
* @return Zend_Pdf_Element | null
*/
public function __get($item)
{
$element = isset($this->_items[$item]) ? $this->_items[$item]
: null;
return $element;
}
/**
* Set handler
*
* @param string $property
* @param mixed $value
*/
public function __set($item, $value)
{
if ($value === null) {
unset($this->_items[$item]);
} else {
$this->_items[$item] = $value;
}
}
/**
* Return type of the element.
*
* @return integer
*/
public function getType()
{
return Zend_Pdf_Element::TYPE_DICTIONARY;
}
/**
* Return object as string
*
* @param Zend_Pdf_Factory $factory
* @return string
*/
public function toString($factory = null)
{
$outStr = '<<';
$lastNL = 0;
foreach ($this->_items as $name => $element) {
if (!is_object($element)) {
#require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Wrong data');
}
if (strlen($outStr) - $lastNL > 128) {
$outStr .= "\n";
$lastNL = strlen($outStr);
}
$nameObj = new Zend_Pdf_Element_Name($name);
$outStr .= $nameObj->toString($factory) . ' ' . $element->toString($factory) . ' ';
}
$outStr .= '>>';
return $outStr;
}
/**
* Detach PDF object from the factory (if applicable), clone it and attach to new factory.
*
* @param Zend_Pdf_ElementFactory $factory The factory to attach
* @param array &$processed List of already processed indirect objects, used to avoid objects duplication
* @param integer $mode Cloning mode (defines filter for objects cloning)
* @returns Zend_Pdf_Element
* @throws Zend_Pdf_Exception
*/
public function makeClone(Zend_Pdf_ElementFactory $factory, array &$processed, $mode)
{
if (isset($this->_items['Type'])) {
if ($this->_items['Type']->value == 'Pages') {
// It's a page tree node
// skip it and its children
return new Zend_Pdf_Element_Null();
}
if ($this->_items['Type']->value == 'Page' &&
$mode == Zend_Pdf_Element::CLONE_MODE_SKIP_PAGES
) {
// It's a page node, skip it
return new Zend_Pdf_Element_Null();
}
}
$newDictionary = new self();
foreach ($this->_items as $key => $value) {
$newDictionary->_items[$key] = $value->makeClone($factory, $processed, $mode);
}
return $newDictionary;
}
/**
* Set top level parent indirect object.
*
* @param Zend_Pdf_Element_Object $parent
*/
public function setParentObject(Zend_Pdf_Element_Object $parent)
{
parent::setParentObject($parent);
foreach ($this->_items as $item) {
$item->setParentObject($parent);
}
}
/**
* Convert PDF element to PHP type.
*
* Dictionary is returned as an associative array
*
* @return mixed
*/
public function toPhp()
{
$phpArray = array();
foreach ($this->_items as $itemName => $item) {
$phpArray[$itemName] = $item->toPhp();
}
return $phpArray;
}
}