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
|
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bridge\Twig\NodeVisitor;
use Symfony\Bridge\Twig\Node\TransNode;
/**
* TranslationNodeVisitor extracts translation messages.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class TranslationNodeVisitor implements \Twig_NodeVisitorInterface
{
const UNDEFINED_DOMAIN = '_undefined';
private $enabled = false;
private $messages = array();
public function enable()
{
$this->enabled = true;
$this->messages = array();
}
public function disable()
{
$this->enabled = false;
$this->messages = array();
}
public function getMessages()
{
return $this->messages;
}
/**
* {@inheritdoc}
*/
public function enterNode(\Twig_NodeInterface $node, \Twig_Environment $env)
{
if (!$this->enabled) {
return $node;
}
if (
$node instanceof \Twig_Node_Expression_Filter &&
'trans' === $node->getNode('filter')->getAttribute('value') &&
$node->getNode('node') instanceof \Twig_Node_Expression_Constant
) {
// extract constant nodes with a trans filter
$this->messages[] = array(
$node->getNode('node')->getAttribute('value'),
$this->getReadDomainFromArguments($node->getNode('arguments'), 1),
);
} elseif (
$node instanceof \Twig_Node_Expression_Filter &&
'transchoice' === $node->getNode('filter')->getAttribute('value') &&
$node->getNode('node') instanceof \Twig_Node_Expression_Constant
) {
// extract constant nodes with a trans filter
$this->messages[] = array(
$node->getNode('node')->getAttribute('value'),
$this->getReadDomainFromArguments($node->getNode('arguments'), 2),
);
} elseif ($node instanceof TransNode) {
// extract trans nodes
$this->messages[] = array(
$node->getNode('body')->getAttribute('data'),
$this->getReadDomainFromNode($node->getNode('domain')),
);
}
return $node;
}
/**
* {@inheritdoc}
*/
public function leaveNode(\Twig_NodeInterface $node, \Twig_Environment $env)
{
return $node;
}
/**
* {@inheritdoc}
*/
public function getPriority()
{
return 0;
}
/**
* @param \Twig_Node $arguments
* @param int $index
*
* @return string|null
*/
private function getReadDomainFromArguments(\Twig_Node $arguments, $index)
{
if ($arguments->hasNode('domain')) {
$argument = $arguments->getNode('domain');
} elseif ($arguments->hasNode($index)) {
$argument = $arguments->getNode($index);
} else {
return null;
}
return $this->getReadDomainFromNode($argument);
}
/**
* @param \Twig_Node $node
*
* @return string|null
*/
private function getReadDomainFromNode(\Twig_Node $node = null)
{
if (null === $node) {
return null;
}
if ($node instanceof \Twig_Node_Expression_Constant) {
return $node->getAttribute('value');
}
return self::UNDEFINED_DOMAIN;
}
}
|
