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- 27.04.2026
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Attribute.php
01 <?php
02
03 /**
04 * @package s9e\TextFormatter
05 * @copyright Copyright (c) 2010-2022 The s9e authors
06 * @license http://www.opensource.org/licenses/mit-license.php The MIT License
07 */
08 namespace s9e\TextFormatter\Configurator\Items;
09
10 use s9e\TextFormatter\Configurator\Collections\AttributeFilterChain;
11 use s9e\TextFormatter\Configurator\ConfigProvider;
12 use s9e\TextFormatter\Configurator\Helpers\ConfigHelper;
13 use s9e\TextFormatter\Configurator\Items\ProgrammableCallback;
14 use s9e\TextFormatter\Configurator\Traits\Configurable;
15 use s9e\TextFormatter\Configurator\Traits\TemplateSafeness;
16
17 /**
18 * @property mixed $defaultValue Default value used for this attribute
19 * @property AttributeFilterChain $filterChain This attribute's filter chain
20 * @property bool $required Whether this attribute is required for the tag to be valid
21 */
22 class Attribute implements ConfigProvider
23 {
24 use Configurable;
25 use TemplateSafeness;
26
27 /**
28 * @var mixed Default value used for this attribute
29 */
30 protected $defaultValue;
31
32 /**
33 * @var AttributeFilterChain This attribute's filter chain
34 */
35 protected $filterChain;
36
37 /**
38 * @var bool Whether this attribute is required for the tag to be valid
39 */
40 protected $required = true;
41
42 /**
43 * Constructor
44 *
45 * @param array $options This attribute's options
46 */
47 public function __construct(array $options = null)
48 {
49 $this->filterChain = new AttributeFilterChain;
50
51 if (isset($options))
52 {
53 foreach ($options as $optionName => $optionValue)
54 {
55 $this->__set($optionName, $optionValue);
56 }
57 }
58 }
59
60 /**
61 * Return whether this attribute is safe to be used in given context
62 *
63 * @param string $context Either 'AsURL', 'InCSS' or 'InJS'
64 * @return bool
65 */
66 protected function isSafe($context)
67 {
68 // Test this attribute's filters
69 $methodName = 'isSafe' . $context;
70 foreach ($this->filterChain as $filter)
71 {
72 if ($filter->$methodName())
73 {
74 // If any filter makes it safe, we consider it safe
75 return true;
76 }
77 }
78
79 return !empty($this->markedSafe[$context]);
80 }
81
82 /**
83 * {@inheritdoc}
84 */
85 public function asConfig()
86 {
87 $vars = get_object_vars($this);
88 unset($vars['markedSafe']);
89
90 return ConfigHelper::toArray($vars) + ['filterChain' => []];
91 }
92 }