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pictcode / lib / Cake / I18n / I18n.php @ 0b1b8047

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1
<?php
2
/**
3
 * Internationalization
4
 *
5
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
6
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
7
 *
8
 * Licensed under The MIT License
9
 * For full copyright and license information, please see the LICENSE.txt
10
 * Redistributions of files must retain the above copyright notice.
11
 *
12
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
13
 * @link          http://cakephp.org CakePHP(tm) Project
14
 * @package       Cake.I18n
15
 * @since         CakePHP(tm) v 1.2.0.4116
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 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
17
 */
18

    
19
App::uses('CakePlugin', 'Core');
20
App::uses('L10n', 'I18n');
21
App::uses('Multibyte', 'I18n');
22
App::uses('CakeSession', 'Model/Datasource');
23

    
24
/**
25
 * I18n handles translation of Text and time format strings.
26
 *
27
 * @package       Cake.I18n
28
 */
29
class I18n {
30

    
31
/**
32
 * Instance of the L10n class for localization
33
 *
34
 * @var L10n
35
 */
36
        public $l10n = null;
37

    
38
/**
39
 * Default domain of translation
40
 *
41
 * @var string
42
 */
43
        public static $defaultDomain = 'default';
44

    
45
/**
46
 * Current domain of translation
47
 *
48
 * @var string
49
 */
50
        public $domain = null;
51

    
52
/**
53
 * Current category of translation
54
 *
55
 * @var string
56
 */
57
        public $category = 'LC_MESSAGES';
58

    
59
/**
60
 * Current language used for translations
61
 *
62
 * @var string
63
 */
64
        protected $_lang = null;
65

    
66
/**
67
 * Translation strings for a specific domain read from the .mo or .po files
68
 *
69
 * @var array
70
 */
71
        protected $_domains = array();
72

    
73
/**
74
 * Set to true when I18N::_bindTextDomain() is called for the first time.
75
 * If a translation file is found it is set to false again
76
 *
77
 * @var bool
78
 */
79
        protected $_noLocale = false;
80

    
81
/**
82
 * Translation categories
83
 *
84
 * @var array
85
 */
86
        protected $_categories = array(
87
                'LC_ALL', 'LC_COLLATE', 'LC_CTYPE', 'LC_MONETARY', 'LC_NUMERIC', 'LC_TIME', 'LC_MESSAGES'
88
        );
89

    
90
/**
91
 * Constants for the translation categories.
92
 *
93
 * The constants may be used in translation fetching
94
 * instead of hardcoded integers.
95
 * Example:
96
 * ```
97
 *        I18n::translate('CakePHP is awesome.', null, null, I18n::LC_MESSAGES)
98
 * ```
99
 *
100
 * To keep the code more readable, I18n constants are preferred over
101
 * hardcoded integers.
102
 */
103
/**
104
 * Constant for LC_ALL.
105
 *
106
 * @var int
107
 */
108
        const LC_ALL = 0;
109

    
110
/**
111
 * Constant for LC_COLLATE.
112
 *
113
 * @var int
114
 */
115
        const LC_COLLATE = 1;
116

    
117
/**
118
 * Constant for LC_CTYPE.
119
 *
120
 * @var int
121
 */
122
        const LC_CTYPE = 2;
123

    
124
/**
125
 * Constant for LC_MONETARY.
126
 *
127
 * @var int
128
 */
129
        const LC_MONETARY = 3;
130

    
131
/**
132
 * Constant for LC_NUMERIC.
133
 *
134
 * @var int
135
 */
136
        const LC_NUMERIC = 4;
137

    
138
/**
139
 * Constant for LC_TIME.
140
 *
141
 * @var int
142
 */
143
        const LC_TIME = 5;
144

    
145
/**
146
 * Constant for LC_MESSAGES.
147
 *
148
 * @var int
149
 */
150
        const LC_MESSAGES = 6;
151

    
152
/**
153
 * Escape string
154
 *
155
 * @var string
156
 */
157
        protected $_escape = null;
158

    
159
/**
160
 * Constructor, use I18n::getInstance() to get the i18n translation object.
161
 */
162
        public function __construct() {
163
                $this->l10n = new L10n();
164
        }
165

    
166
/**
167
 * Return a static instance of the I18n class
168
 *
169
 * @return I18n
170
 */
171
        public static function getInstance() {
172
                static $instance = array();
173
                if (!$instance) {
174
                        $instance[0] = new I18n();
175
                }
176
                return $instance[0];
177
        }
178

    
179
/**
180
 * Used by the translation functions in basics.php
181
 * Returns a translated string based on current language and translation files stored in locale folder
182
 *
183
 * @param string $singular String to translate
184
 * @param string $plural Plural string (if any)
185
 * @param string $domain Domain The domain of the translation. Domains are often used by plugin translations.
186
 *    If null, the default domain will be used.
187
 * @param string $category Category The integer value of the category to use.
188
 * @param int $count Count Count is used with $plural to choose the correct plural form.
189
 * @param string $language Language to translate string to.
190
 *    If null it checks for language in session followed by Config.language configuration variable.
191
 * @param string $context Context The context of the translation, e.g a verb or a noun.
192
 * @return string translated string.
193
 * @throws CakeException When '' is provided as a domain.
194
 */
195
        public static function translate($singular, $plural = null, $domain = null, $category = self::LC_MESSAGES,
196
                $count = null, $language = null, $context = null
197
        ) {
198
                $_this = I18n::getInstance();
199

    
200
                if (strpos($singular, "\r\n") !== false) {
201
                        $singular = str_replace("\r\n", "\n", $singular);
202
                }
203
                if ($plural !== null && strpos($plural, "\r\n") !== false) {
204
                        $plural = str_replace("\r\n", "\n", $plural);
205
                }
206

    
207
                if (is_numeric($category)) {
208
                        $_this->category = $_this->_categories[$category];
209
                }
210

    
211
                if (empty($language)) {
212
                        if (CakeSession::started()) {
213
                                $language = CakeSession::read('Config.language');
214
                        }
215
                        if (empty($language)) {
216
                                $language = Configure::read('Config.language');
217
                        }
218
                }
219

    
220
                if (($_this->_lang && $_this->_lang !== $language) || !$_this->_lang) {
221
                        $lang = $_this->l10n->get($language);
222
                        $_this->_lang = $lang;
223
                }
224

    
225
                if ($domain === null) {
226
                        $domain = static::$defaultDomain;
227
                }
228
                if ($domain === '') {
229
                        throw new CakeException(__d('cake_dev', 'You cannot use "" as a domain.'));
230
                }
231

    
232
                $_this->domain = $domain . '_' . $_this->l10n->lang;
233

    
234
                if (!isset($_this->_domains[$domain][$_this->_lang])) {
235
                        $_this->_domains[$domain][$_this->_lang] = Cache::read($_this->domain, '_cake_core_');
236
                }
237

    
238
                if (!isset($_this->_domains[$domain][$_this->_lang][$_this->category])) {
239
                        $_this->_bindTextDomain($domain);
240
                        Cache::write($_this->domain, $_this->_domains[$domain][$_this->_lang], '_cake_core_');
241
                }
242

    
243
                if ($_this->category === 'LC_TIME') {
244
                        return $_this->_translateTime($singular, $domain);
245
                }
246

    
247
                if (!isset($count)) {
248
                        $plurals = 0;
249
                } elseif (!empty($_this->_domains[$domain][$_this->_lang][$_this->category]["%plural-c"]) && $_this->_noLocale === false) {
250
                        $header = $_this->_domains[$domain][$_this->_lang][$_this->category]["%plural-c"];
251
                        $plurals = $_this->_pluralGuess($header, $count);
252
                } else {
253
                        if ($count != 1) {
254
                                $plurals = 1;
255
                        } else {
256
                                $plurals = 0;
257
                        }
258
                }
259

    
260
                if (!empty($_this->_domains[$domain][$_this->_lang][$_this->category][$singular][$context])) {
261
                        if (($trans = $_this->_domains[$domain][$_this->_lang][$_this->category][$singular][$context]) ||
262
                                ($plurals) && ($trans = $_this->_domains[$domain][$_this->_lang][$_this->category][$plural][$context])
263
                        ) {
264
                                if (is_array($trans)) {
265
                                        if (isset($trans[$plurals])) {
266
                                                $trans = $trans[$plurals];
267
                                        } else {
268
                                                trigger_error(
269
                                                        __d('cake_dev',
270
                                                                'Missing plural form translation for "%s" in "%s" domain, "%s" locale. ' .
271
                                                                ' Check your po file for correct plurals and valid Plural-Forms header.',
272
                                                                $singular,
273
                                                                $domain,
274
                                                                $_this->_lang
275
                                                        ),
276
                                                        E_USER_WARNING
277
                                                );
278
                                                $trans = $trans[0];
279
                                        }
280
                                }
281
                                if (strlen($trans)) {
282
                                        return $trans;
283
                                }
284
                        }
285
                }
286

    
287
                if (!empty($plurals)) {
288
                        return $plural;
289
                }
290
                return $singular;
291
        }
292

    
293
/**
294
 * Clears the domains internal data array. Useful for testing i18n.
295
 *
296
 * @return void
297
 */
298
        public static function clear() {
299
                $self = I18n::getInstance();
300
                $self->_domains = array();
301
        }
302

    
303
/**
304
 * Get the loaded domains cache.
305
 *
306
 * @return array
307
 */
308
        public static function domains() {
309
                $self = I18n::getInstance();
310
                return $self->_domains;
311
        }
312

    
313
/**
314
 * Attempts to find the plural form of a string.
315
 *
316
 * @param string $header Type
317
 * @param int $n Number
318
 * @return int plural match
319
 * @link http://localization-guide.readthedocs.org/en/latest/l10n/pluralforms.html
320
 * @link https://developer.mozilla.org/en-US/docs/Mozilla/Localization/Localization_and_Plurals#List_of_Plural_Rules
321
 */
322
        protected function _pluralGuess($header, $n) {
323
                if (!is_string($header) || $header === "nplurals=1;plural=0;" || !isset($header[0])) {
324
                        return 0;
325
                }
326

    
327
                if ($header === "nplurals=2;plural=n!=1;") {
328
                        return $n != 1 ? 1 : 0;
329
                } elseif ($header === "nplurals=2;plural=n>1;") {
330
                        return $n > 1 ? 1 : 0;
331
                }
332

    
333
                if (strpos($header, "plurals=3")) {
334
                        if (strpos($header, "100!=11")) {
335
                                if (strpos($header, "10<=4")) {
336
                                        return $n % 10 == 1 && $n % 100 != 11 ? 0 : ($n % 10 >= 2 && $n % 10 <= 4 && ($n % 100 < 10 || $n % 100 >= 20) ? 1 : 2);
337
                                } elseif (strpos($header, "100<10")) {
338
                                        return $n % 10 == 1 && $n % 100 != 11 ? 0 : ($n % 10 >= 2 && ($n % 100 < 10 || $n % 100 >= 20) ? 1 : 2);
339
                                }
340
                                return $n % 10 == 1 && $n % 100 != 11 ? 0 : ($n != 0 ? 1 : 2);
341
                        } elseif (strpos($header, "n==2")) {
342
                                return $n == 1 ? 0 : ($n == 2 ? 1 : 2);
343
                        } elseif (strpos($header, "n==0")) {
344
                                return $n == 1 ? 0 : ($n == 0 || ($n % 100 > 0 && $n % 100 < 20) ? 1 : 2);
345
                        } elseif (strpos($header, "n>=2")) {
346
                                return $n == 1 ? 0 : ($n >= 2 && $n <= 4 ? 1 : 2);
347
                        } elseif (strpos($header, "10>=2")) {
348
                                return $n == 1 ? 0 : ($n % 10 >= 2 && $n % 10 <= 4 && ($n % 100 < 10 || $n % 100 >= 20) ? 1 : 2);
349
                        }
350
                        return $n % 10 == 1 ? 0 : ($n % 10 == 2 ? 1 : 2);
351
                } elseif (strpos($header, "plurals=4")) {
352
                        if (strpos($header, "100==2")) {
353
                                return $n % 100 == 1 ? 0 : ($n % 100 == 2 ? 1 : ($n % 100 == 3 || $n % 100 == 4 ? 2 : 3));
354
                        } elseif (strpos($header, "n>=3")) {
355
                                return $n == 1 ? 0 : ($n == 2 ? 1 : ($n == 0 || ($n >= 3 && $n <= 10) ? 2 : 3));
356
                        } elseif (strpos($header, "100>=1")) {
357
                                return $n == 1 ? 0 : ($n == 0 || ($n % 100 >= 1 && $n % 100 <= 10) ? 1 : ($n % 100 >= 11 && $n % 100 <= 20 ? 2 : 3));
358
                        }
359
                } elseif (strpos($header, "plurals=5")) {
360
                        return $n == 1 ? 0 : ($n == 2 ? 1 : ($n >= 3 && $n <= 6 ? 2 : ($n >= 7 && $n <= 10 ? 3 : 4)));
361
                } elseif (strpos($header, "plurals=6")) {
362
                        return $n == 0 ? 0 :
363
                                ($n == 1 ? 1 :
364
                                ($n == 2 ? 2 :
365
                                ($n % 100 >= 3 && $n % 100 <= 10 ? 3 :
366
                                ($n % 100 >= 11 ? 4 : 5))));
367
                }
368

    
369
                return 0;
370
        }
371

    
372
/**
373
 * Binds the given domain to a file in the specified directory.
374
 *
375
 * @param string $domain Domain to bind
376
 * @return string Domain binded
377
 */
378
        protected function _bindTextDomain($domain) {
379
                $this->_noLocale = true;
380
                $core = true;
381
                $merge = array();
382
                $searchPaths = App::path('locales');
383
                $plugins = CakePlugin::loaded();
384

    
385
                if (!empty($plugins)) {
386
                        foreach ($plugins as $plugin) {
387
                                $pluginDomain = Inflector::underscore($plugin);
388
                                if ($pluginDomain === $domain) {
389
                                        $searchPaths[] = CakePlugin::path($plugin) . 'Locale' . DS;
390
                                        if (!Configure::read('I18n.preferApp')) {
391
                                                $searchPaths = array_reverse($searchPaths);
392
                                        }
393
                                        break;
394
                                }
395
                        }
396
                }
397

    
398
                foreach ($searchPaths as $directory) {
399
                        foreach ($this->l10n->languagePath as $lang) {
400
                                $localeDef = $directory . $lang . DS . $this->category;
401
                                if (is_file($localeDef)) {
402
                                        $definitions = static::loadLocaleDefinition($localeDef);
403
                                        if ($definitions !== false) {
404
                                                $this->_domains[$domain][$this->_lang][$this->category] = $definitions;
405
                                                $this->_noLocale = false;
406
                                                return $domain;
407
                                        }
408
                                }
409

    
410
                                if ($core) {
411
                                        $app = $directory . $lang . DS . $this->category . DS . 'core';
412
                                        $translations = false;
413

    
414
                                        if (is_file($app . '.mo')) {
415
                                                $translations = static::loadMo($app . '.mo');
416
                                        }
417
                                        if ($translations === false && is_file($app . '.po')) {
418
                                                $translations = static::loadPo($app . '.po');
419
                                        }
420

    
421
                                        if ($translations !== false) {
422
                                                $this->_domains[$domain][$this->_lang][$this->category] = $translations;
423
                                                $merge[$domain][$this->_lang][$this->category] = $this->_domains[$domain][$this->_lang][$this->category];
424
                                                $this->_noLocale = false;
425
                                                $core = null;
426
                                        }
427
                                }
428

    
429
                                $file = $directory . $lang . DS . $this->category . DS . $domain;
430
                                $translations = false;
431

    
432
                                if (is_file($file . '.mo')) {
433
                                        $translations = static::loadMo($file . '.mo');
434
                                }
435
                                if ($translations === false && is_file($file . '.po')) {
436
                                        $translations = static::loadPo($file . '.po');
437
                                }
438

    
439
                                if ($translations !== false) {
440
                                        $this->_domains[$domain][$this->_lang][$this->category] = $translations;
441
                                        $this->_noLocale = false;
442
                                        break 2;
443
                                }
444
                        }
445
                }
446

    
447
                if (empty($this->_domains[$domain][$this->_lang][$this->category])) {
448
                        $this->_domains[$domain][$this->_lang][$this->category] = array();
449
                        return $domain;
450
                }
451

    
452
                if (isset($this->_domains[$domain][$this->_lang][$this->category][""])) {
453
                        $head = $this->_domains[$domain][$this->_lang][$this->category][""];
454

    
455
                        foreach (explode("\n", $head) as $line) {
456
                                $header = strtok($line, ':');
457
                                $line = trim(strtok("\n"));
458
                                $this->_domains[$domain][$this->_lang][$this->category]["%po-header"][strtolower($header)] = $line;
459
                        }
460

    
461
                        if (isset($this->_domains[$domain][$this->_lang][$this->category]["%po-header"]["plural-forms"])) {
462
                                $switch = preg_replace("/(?:[() {}\\[\\]^\\s*\\]]+)/", "", $this->_domains[$domain][$this->_lang][$this->category]["%po-header"]["plural-forms"]);
463
                                $this->_domains[$domain][$this->_lang][$this->category]["%plural-c"] = $switch;
464
                                unset($this->_domains[$domain][$this->_lang][$this->category]["%po-header"]);
465
                        }
466
                        $this->_domains = Hash::mergeDiff($this->_domains, $merge);
467

    
468
                        if (isset($this->_domains[$domain][$this->_lang][$this->category][null])) {
469
                                unset($this->_domains[$domain][$this->_lang][$this->category][null]);
470
                        }
471
                }
472

    
473
                return $domain;
474
        }
475

    
476
/**
477
 * Loads the binary .mo file and returns array of translations
478
 *
479
 * @param string $filename Binary .mo file to load
480
 * @return mixed Array of translations on success or false on failure
481
 * @link https://www.gnu.org/software/gettext/manual/html_node/MO-Files.html
482
 */
483
        public static function loadMo($filename) {
484
                $translations = false;
485

    
486
                // @codingStandardsIgnoreStart
487
                // Binary files extracted makes non-standard local variables
488
                if ($data = file_get_contents($filename)) {
489
                        $translations = array();
490
                        $header = substr($data, 0, 20);
491
                        $header = unpack('L1magic/L1version/L1count/L1o_msg/L1o_trn', $header);
492
                        extract($header);
493

    
494
                        if ((dechex($magic) === '950412de' || dechex($magic) === 'ffffffff950412de') && !$version) {
495
                                for ($n = 0; $n < $count; $n++) {
496
                                        $r = unpack("L1len/L1offs", substr($data, $o_msg + $n * 8, 8));
497
                                        $msgid = substr($data, $r["offs"], $r["len"]);
498
                                        unset($msgid_plural);
499
                                        $context = null;
500

    
501
                                        if (strpos($msgid, "\x04") !== false) {
502
                                                list($context, $msgid) = explode("\x04", $msgid);
503
                                        }
504
                                        if (strpos($msgid, "\000")) {
505
                                                list($msgid, $msgid_plural) = explode("\000", $msgid);
506
                                        }
507
                                        $r = unpack("L1len/L1offs", substr($data, $o_trn + $n * 8, 8));
508
                                        $msgstr = substr($data, $r["offs"], $r["len"]);
509

    
510
                                        if (strpos($msgstr, "\000")) {
511
                                                $msgstr = explode("\000", $msgstr);
512
                                        }
513

    
514
                                        if ($msgid != '') {
515
                                                $translations[$msgid][$context] = $msgstr;
516
                                        } else {
517
                                                $translations[$msgid] = $msgstr;
518
                                        }
519

    
520
                                        if (isset($msgid_plural)) {
521
                                                $translations[$msgid_plural] =& $translations[$msgid];
522
                                        }
523
                                }
524
                        }
525
                }
526
                // @codingStandardsIgnoreEnd
527

    
528
                return $translations;
529
        }
530

    
531
/**
532
 * Loads the text .po file and returns array of translations
533
 *
534
 * @param string $filename Text .po file to load
535
 * @return mixed Array of translations on success or false on failure
536
 */
537
        public static function loadPo($filename) {
538
                if (!$file = fopen($filename, 'r')) {
539
                        return false;
540
                }
541

    
542
                $type = 0;
543
                $translations = array();
544
                $translationKey = '';
545
                $translationContext = null;
546
                $plural = 0;
547
                $header = '';
548

    
549
                do {
550
                        $line = trim(fgets($file));
551
                        if ($line === '' || $line[0] === '#') {
552
                                $translationContext = null;
553

    
554
                                continue;
555
                        }
556
                        if (preg_match("/msgid[[:space:]]+\"(.+)\"$/i", $line, $regs)) {
557
                                $type = 1;
558
                                $translationKey = stripcslashes($regs[1]);
559
                        } elseif (preg_match("/msgid[[:space:]]+\"\"$/i", $line, $regs)) {
560
                                $type = 2;
561
                                $translationKey = '';
562
                        } elseif (preg_match("/msgctxt[[:space:]]+\"(.+)\"$/i", $line, $regs)) {
563
                                $translationContext = $regs[1];
564
                        } elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && ($type == 1 || $type == 2 || $type == 3)) {
565
                                $type = 3;
566
                                $translationKey .= stripcslashes($regs[1]);
567
                        } elseif (preg_match("/msgstr[[:space:]]+\"(.+)\"$/i", $line, $regs) && ($type == 1 || $type == 3) && $translationKey) {
568
                                $translations[$translationKey][$translationContext] = stripcslashes($regs[1]);
569
                                $type = 4;
570
                        } elseif (preg_match("/msgstr[[:space:]]+\"\"$/i", $line, $regs) && ($type == 1 || $type == 3) && $translationKey) {
571
                                $type = 4;
572
                                $translations[$translationKey][$translationContext] = '';
573
                        } elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && $type == 4 && $translationKey) {
574
                                $translations[$translationKey][$translationContext] .= stripcslashes($regs[1]);
575
                        } elseif (preg_match("/msgid_plural[[:space:]]+\".*\"$/i", $line, $regs)) {
576
                                $type = 6;
577
                        } elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && $type == 6 && $translationKey) {
578
                                $type = 6;
579
                        } elseif (preg_match("/msgstr\[(\d+)\][[:space:]]+\"(.+)\"$/i", $line, $regs) && ($type == 6 || $type == 7) && $translationKey) {
580
                                $plural = $regs[1];
581
                                $translations[$translationKey][$translationContext][$plural] = stripcslashes($regs[2]);
582
                                $type = 7;
583
                        } elseif (preg_match("/msgstr\[(\d+)\][[:space:]]+\"\"$/i", $line, $regs) && ($type == 6 || $type == 7) && $translationKey) {
584
                                $plural = $regs[1];
585
                                $translations[$translationKey][$translationContext][$plural] = '';
586
                                $type = 7;
587
                        } elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && $type == 7 && $translationKey) {
588
                                $translations[$translationKey][$translationContext][$plural] .= stripcslashes($regs[1]);
589
                        } elseif (preg_match("/msgstr[[:space:]]+\"(.+)\"$/i", $line, $regs) && $type == 2 && !$translationKey) {
590
                                $header .= stripcslashes($regs[1]);
591
                                $type = 5;
592
                        } elseif (preg_match("/msgstr[[:space:]]+\"\"$/i", $line, $regs) && !$translationKey) {
593
                                $header = '';
594
                                $type = 5;
595
                        } elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && $type == 5) {
596
                                $header .= stripcslashes($regs[1]);
597
                        } else {
598
                                unset($translations[$translationKey][$translationContext]);
599
                                $type = 0;
600
                                $translationKey = '';
601
                                $translationContext = null;
602
                                $plural = 0;
603
                        }
604
                } while (!feof($file));
605
                fclose($file);
606

    
607
                $merge[''] = $header;
608
                return array_merge($merge, $translations);
609
        }
610

    
611
/**
612
 * Parses a locale definition file following the POSIX standard
613
 *
614
 * @param string $filename Locale definition filename
615
 * @return mixed Array of definitions on success or false on failure
616
 */
617
        public static function loadLocaleDefinition($filename) {
618
                if (!$file = fopen($filename, 'r')) {
619
                        return false;
620
                }
621

    
622
                $definitions = array();
623
                $comment = '#';
624
                $escape = '\\';
625
                $currentToken = false;
626
                $value = '';
627
                $_this = I18n::getInstance();
628
                while ($line = fgets($file)) {
629
                        $line = trim($line);
630
                        if (empty($line) || $line[0] === $comment) {
631
                                continue;
632
                        }
633
                        $parts = preg_split("/[[:space:]]+/", $line);
634
                        if ($parts[0] === 'comment_char') {
635
                                $comment = $parts[1];
636
                                continue;
637
                        }
638
                        if ($parts[0] === 'escape_char') {
639
                                $escape = $parts[1];
640
                                continue;
641
                        }
642
                        $count = count($parts);
643
                        if ($count === 2) {
644
                                $currentToken = $parts[0];
645
                                $value = $parts[1];
646
                        } elseif ($count === 1) {
647
                                $value = is_array($value) ? $parts[0] : $value . $parts[0];
648
                        } else {
649
                                continue;
650
                        }
651

    
652
                        $len = strlen($value) - 1;
653
                        if ($value[$len] === $escape) {
654
                                $value = substr($value, 0, $len);
655
                                continue;
656
                        }
657

    
658
                        $mustEscape = array($escape . ',', $escape . ';', $escape . '<', $escape . '>', $escape . $escape);
659
                        $replacements = array_map('crc32', $mustEscape);
660
                        $value = str_replace($mustEscape, $replacements, $value);
661
                        $value = explode(';', $value);
662
                        $_this->_escape = $escape;
663
                        foreach ($value as $i => $val) {
664
                                $val = trim($val, '"');
665
                                $val = preg_replace_callback('/(?:<)?(.[^>]*)(?:>)?/', array(&$_this, '_parseLiteralValue'), $val);
666
                                $val = str_replace($replacements, $mustEscape, $val);
667
                                $value[$i] = $val;
668
                        }
669
                        if (count($value) === 1) {
670
                                $definitions[$currentToken] = array_pop($value);
671
                        } else {
672
                                $definitions[$currentToken] = $value;
673
                        }
674
                }
675

    
676
                return $definitions;
677
        }
678

    
679
/**
680
 * Puts the parameters in raw translated strings
681
 *
682
 * @param string $translated The raw translated string
683
 * @param array $args The arguments to put in the translation
684
 * @return string Translated string with arguments
685
 */
686
        public static function insertArgs($translated, array $args) {
687
                $len = count($args);
688
                if ($len === 0 || ($len === 1 && $args[0] === null)) {
689
                        return $translated;
690
                }
691

    
692
                if (is_array($args[0])) {
693
                        $args = $args[0];
694
                }
695

    
696
                $translated = preg_replace('/(?<!%)%(?![%\'\-+bcdeEfFgGosuxX\d\.])/', '%%', $translated);
697
                return vsprintf($translated, $args);
698
        }
699

    
700
/**
701
 * Auxiliary function to parse a symbol from a locale definition file
702
 *
703
 * @param string $string Symbol to be parsed
704
 * @return string parsed symbol
705
 */
706
        protected function _parseLiteralValue($string) {
707
                $string = $string[1];
708
                if (substr($string, 0, 2) === $this->_escape . 'x') {
709
                        $delimiter = $this->_escape . 'x';
710
                        return implode('', array_map('chr', array_map('hexdec', array_filter(explode($delimiter, $string)))));
711
                }
712
                if (substr($string, 0, 2) === $this->_escape . 'd') {
713
                        $delimiter = $this->_escape . 'd';
714
                        return implode('', array_map('chr', array_filter(explode($delimiter, $string))));
715
                }
716
                if ($string[0] === $this->_escape && isset($string[1]) && is_numeric($string[1])) {
717
                        $delimiter = $this->_escape;
718
                        return implode('', array_map('chr', array_filter(explode($delimiter, $string))));
719
                }
720
                if (substr($string, 0, 3) === 'U00') {
721
                        $delimiter = 'U00';
722
                        return implode('', array_map('chr', array_map('hexdec', array_filter(explode($delimiter, $string)))));
723
                }
724
                if (preg_match('/U([0-9a-fA-F]{4})/', $string, $match)) {
725
                        return Multibyte::ascii(array(hexdec($match[1])));
726
                }
727
                return $string;
728
        }
729

    
730
/**
731
 * Returns a Time format definition from corresponding domain
732
 *
733
 * @param string $format Format to be translated
734
 * @param string $domain Domain where format is stored
735
 * @return mixed translated format string if only value or array of translated strings for corresponding format.
736
 */
737
        protected function _translateTime($format, $domain) {
738
                if (!empty($this->_domains[$domain][$this->_lang]['LC_TIME'][$format])) {
739
                        if (($trans = $this->_domains[$domain][$this->_lang][$this->category][$format])) {
740
                                return $trans;
741
                        }
742
                }
743
                return $format;
744
        }
745

    
746
}