ILIAS  release_5-4 Revision v5.4.26-12-gabc799a52e6
Mo.php
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1<?php
2
3namespace Gettext\Extractors;
4
5use Exception;
8
12class Mo extends Extractor implements ExtractorInterface
13{
14 const MAGIC1 = -1794895138;
15 const MAGIC2 = -569244523;
16 const MAGIC3 = 2500072158;
17
21 public static function fromString($string, Translations $translations = null, $file = '')
22 {
23 if ($translations === null) {
24 $translations = new Translations();
25 }
26
27 $stream = new StringReader($string);
28 $magic = self::readInt($stream, 'V');
29
30 if (($magic === self::MAGIC1) || ($magic === self::MAGIC3)) { //to make sure it works for 64-bit platforms
31 $byteOrder = 'V'; //low endian
32 } elseif ($magic === (self::MAGIC2 & 0xFFFFFFFF)) {
33 $byteOrder = 'N'; //big endian
34 } else {
35 throw new Exception('Not MO file');
36 }
37
38 self::readInt($stream, $byteOrder);
39
40 $total = self::readInt($stream, $byteOrder); //total string count
41 $originals = self::readInt($stream, $byteOrder); //offset of original table
42 $tran = self::readInt($stream, $byteOrder); //offset of translation table
43
44 $stream->seekto($originals);
45 $table_originals = self::readIntArray($stream, $byteOrder, $total * 2);
46
47 $stream->seekto($tran);
48 $table_translations = self::readIntArray($stream, $byteOrder, $total * 2);
49
50 for ($i = 0; $i < $total; ++$i) {
51 $next = $i * 2;
52
53 $stream->seekto($table_originals[$next + 2]);
54 $original = $stream->read($table_originals[$next + 1]);
55
56 $stream->seekto($table_translations[$next + 2]);
57 $translated = $stream->read($table_translations[$next + 1]);
58
59 if ($original === '') {
60 // Headers
61 foreach (explode("\n", $translated) as $headerLine) {
62 if ($headerLine === '') {
63 continue;
64 }
65
66 $headerChunks = preg_split('/:\s*/', $headerLine, 2);
67 $translations->setHeader($headerChunks[0], isset($headerChunks[1]) ? $headerChunks[1] : '');
68 }
69
70 continue;
71 }
72
73 $chunks = explode("\x04", $original, 2);
74
75 if (isset($chunks[1])) {
76 $context = $chunks[0];
77 $original = $chunks[1];
78 } else {
79 $context = '';
80 }
81
82 $chunks = explode("\x00", $original, 2);
83
84 if (isset($chunks[1])) {
85 $original = $chunks[0];
86 $plural = $chunks[1];
87 } else {
88 $plural = '';
89 }
90
91 $translation = $translations->insert($context, $original, $plural);
92
93 if ($translated === '') {
94 continue;
95 }
96
97 if ($plural === '') {
98 $translation->setTranslation($translated);
99 continue;
100 }
101
102 foreach (explode("\x00", $translated) as $pluralIndex => $pluralValue) {
103 if ($pluralIndex === 0) {
104 $translation->setTranslation($pluralValue);
105 } else {
106 $translation->setPluralTranslation($pluralValue, $pluralIndex - 1);
107 }
108 }
109 }
110
111 return $translations;
112 }
113
118 private static function readInt(StringReader $stream, $byteOrder)
119 {
120 if (($read = $stream->read(4)) === false) {
121 return false;
122 }
123
124 $read = unpack($byteOrder, $read);
125
126 return array_shift($read);
127 }
128
134 private static function readIntArray(StringReader $stream, $byteOrder, $count)
135 {
136 return unpack($byteOrder.$count, $stream->read(4 * $count));
137 }
138}
$total
Definition: Utf8Test.php:87
An exception for terminatinating execution or to throw for unit testing.
Class to get gettext strings from .mo files.
Definition: Mo.php:13
static readIntArray(StringReader $stream, $byteOrder, $count)
Definition: Mo.php:134
static readInt(StringReader $stream, $byteOrder)
Definition: Mo.php:118
static fromString($string, Translations $translations=null, $file='')
{Parses a string and append the translations found in the Translations instance.Translations}
Definition: Mo.php:21
Class to manage a collection of translations.
$i
Definition: disco.tpl.php:19
$stream
PHP stream implementation.
$context
Definition: webdav.php:25