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
|
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a template filter.
*
* @final since version 2.4.0
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @see https://twig.symfony.com/doc/templates.html#filters
*/
class Twig_Filter
{
private $name;
private $callable;
private $options;
private $arguments = [];
/**
* Creates a template filter.
*
* @param string $name Name of this filter
* @param callable|null $callable A callable implementing the filter. If null, you need to overwrite the "node_class" option to customize compilation.
* @param array $options Options array
*/
public function __construct(string $name, $callable = null, array $options = [])
{
if (__CLASS__ !== get_class($this)) {
@trigger_error('Overriding '.__CLASS__.' is deprecated since version 2.4.0 and the class will be final in 3.0.', E_USER_DEPRECATED);
}
$this->name = $name;
$this->callable = $callable;
$this->options = array_merge([
'needs_environment' => false,
'needs_context' => false,
'is_variadic' => false,
'is_safe' => null,
'is_safe_callback' => null,
'pre_escape' => null,
'preserves_safety' => null,
'node_class' => 'Twig_Node_Expression_Filter',
'deprecated' => false,
'alternative' => null,
], $options);
}
public function getName()
{
return $this->name;
}
/**
* Returns the callable to execute for this filter.
*
* @return callable|null
*/
public function getCallable()
{
return $this->callable;
}
public function getNodeClass()
{
return $this->options['node_class'];
}
public function setArguments($arguments)
{
$this->arguments = $arguments;
}
public function getArguments()
{
return $this->arguments;
}
public function needsEnvironment()
{
return $this->options['needs_environment'];
}
public function needsContext()
{
return $this->options['needs_context'];
}
public function getSafe(Twig_Node $filterArgs)
{
if (null !== $this->options['is_safe']) {
return $this->options['is_safe'];
}
if (null !== $this->options['is_safe_callback']) {
return $this->options['is_safe_callback']($filterArgs);
}
}
public function getPreservesSafety()
{
return $this->options['preserves_safety'];
}
public function getPreEscape()
{
return $this->options['pre_escape'];
}
public function isVariadic()
{
return $this->options['is_variadic'];
}
public function isDeprecated()
{
return (bool) $this->options['deprecated'];
}
public function getDeprecatedVersion()
{
return $this->options['deprecated'];
}
public function getAlternative()
{
return $this->options['alternative'];
}
}
// For Twig 1.x compatibility
class_alias('Twig_Filter', 'Twig_SimpleFilter', false);
class_alias('Twig_Filter', 'Twig\TwigFilter', false);
|
