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[github/wallabag/wallabag.git] / vendor / symfony / translation / Symfony / Component / Translation / Dumper / IcuResFileDumper.php
1 <?php
2
3 /*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Translation\Dumper;
13
14 use Symfony\Component\Translation\MessageCatalogue;
15
16 /**
17 * IcuResDumper generates an ICU ResourceBundle formatted string representation of a message catalogue.
18 *
19 * @author Stealth35
20 */
21 class IcuResFileDumper implements DumperInterface
22 {
23 /**
24 * {@inheritDoc}
25 */
26 public function dump(MessageCatalogue $messages, $options = array())
27 {
28 if (!array_key_exists('path', $options)) {
29 throw new \InvalidArgumentException('The file dumper need a path options.');
30 }
31
32 // save a file for each domain
33 foreach ($messages->getDomains() as $domain) {
34 $file = $messages->getLocale().'.'.$this->getExtension();
35 $path = $options['path'].'/'.$domain.'/';
36
37 if (!file_exists($path)) {
38 mkdir($path);
39 }
40
41 // backup
42 if (file_exists($path.$file)) {
43 copy($path.$file, $path.$file.'~');
44 }
45
46 // save file
47 file_put_contents($path.$file, $this->format($messages, $domain));
48 }
49 }
50
51 /**
52 * {@inheritDoc}
53 */
54 public function format(MessageCatalogue $messages, $domain = 'messages')
55 {
56 $data = $indexes = $resources = '';
57
58 foreach ($messages->all($domain) as $source => $target) {
59 $indexes .= pack('v', strlen($data) + 28);
60 $data .= $source."\0";
61 }
62
63 $data .= $this->writePadding($data);
64
65 $keyTop = $this->getPosition($data);
66
67 foreach ($messages->all($domain) as $source => $target) {
68 $resources .= pack('V', $this->getPosition($data));
69
70 $data .= pack('V', strlen($target))
71 .mb_convert_encoding($target."\0", 'UTF-16LE', 'UTF-8')
72 .$this->writePadding($data)
73 ;
74 }
75
76 $resOffset = $this->getPosition($data);
77
78 $data .= pack('v', count($messages))
79 .$indexes
80 .$this->writePadding($data)
81 .$resources
82 ;
83
84 $bundleTop = $this->getPosition($data);
85
86 $root = pack('V7',
87 $resOffset + (2 << 28), // Resource Offset + Resource Type
88 6, // Index length
89 $keyTop, // Index keys top
90 $bundleTop, // Index resources top
91 $bundleTop, // Index bundle top
92 count($messages), // Index max table length
93 0 // Index attributes
94 );
95
96 $header = pack('vC2v4C12@32',
97 32, // Header size
98 0xDA, 0x27, // Magic number 1 and 2
99 20, 0, 0, 2, // Rest of the header, ..., Size of a char
100 0x52, 0x65, 0x73, 0x42, // Data format identifier
101 1, 2, 0, 0, // Data version
102 1, 4, 0, 0 // Unicode version
103 );
104
105 $output = $header
106 .$root
107 .$data;
108
109 return $output;
110 }
111
112 private function writePadding($data)
113 {
114 $padding = strlen($data) % 4;
115
116 if ($padding) {
117 return str_repeat("\xAA", 4 - $padding);
118 }
119 }
120
121 private function getPosition($data)
122 {
123 $position = (strlen($data) + 28) / 4;
124
125 return $position;
126 }
127
128 /**
129 * {@inheritDoc}
130 */
131 protected function getExtension()
132 {
133 return 'res';
134 }
135 }