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<?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
16
 * @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 $language Language to translate string to.
190
 *    If null it checks for language in session followed by Config.language configuration variable.
191
 * @return string translated string.
192
 * @throws CakeException When '' is provided as a domain.
193
 */
194
	public static function translate($singular, $plural = null, $domain = null, $category = self::LC_MESSAGES, $count = null, $language = null) {
195
		$_this = I18n::getInstance();
196
 
197
		if (strpos($singular, "\r\n") !== false) {
198
			$singular = str_replace("\r\n", "\n", $singular);
199
		}
200
		if ($plural !== null && strpos($plural, "\r\n") !== false) {
201
			$plural = str_replace("\r\n", "\n", $plural);
202
		}
203
 
204
		if (is_numeric($category)) {
205
			$_this->category = $_this->_categories[$category];
206
		}
207
 
208
		if (empty($language)) {
209
			if (CakeSession::started()) {
210
				$language = CakeSession::read('Config.language');
211
			}
212
			if (empty($language)) {
213
				$language = Configure::read('Config.language');
214
			}
215
		}
216
 
217
		if (($_this->_lang && $_this->_lang !== $language) || !$_this->_lang) {
218
			$lang = $_this->l10n->get($language);
219
			$_this->_lang = $lang;
220
		}
221
 
222
		if ($domain === null) {
223
			$domain = self::$defaultDomain;
224
		}
225
		if ($domain === '') {
226
			throw new CakeException(__d('cake_dev', 'You cannot use "" as a domain.'));
227
		}
228
 
229
		$_this->domain = $domain . '_' . $_this->l10n->lang;
230
 
231
		if (!isset($_this->_domains[$domain][$_this->_lang])) {
232
			$_this->_domains[$domain][$_this->_lang] = Cache::read($_this->domain, '_cake_core_');
233
		}
234
 
235
		if (!isset($_this->_domains[$domain][$_this->_lang][$_this->category])) {
236
			$_this->_bindTextDomain($domain);
237
			Cache::write($_this->domain, $_this->_domains[$domain][$_this->_lang], '_cake_core_');
238
		}
239
 
240
		if ($_this->category === 'LC_TIME') {
241
			return $_this->_translateTime($singular, $domain);
242
		}
243
 
244
		if (!isset($count)) {
245
			$plurals = 0;
246
		} elseif (!empty($_this->_domains[$domain][$_this->_lang][$_this->category]["%plural-c"]) && $_this->_noLocale === false) {
247
			$header = $_this->_domains[$domain][$_this->_lang][$_this->category]["%plural-c"];
248
			$plurals = $_this->_pluralGuess($header, $count);
249
		} else {
250
			if ($count != 1) {
251
				$plurals = 1;
252
			} else {
253
				$plurals = 0;
254
			}
255
		}
256
 
257
		if (!empty($_this->_domains[$domain][$_this->_lang][$_this->category][$singular])) {
258
			if (($trans = $_this->_domains[$domain][$_this->_lang][$_this->category][$singular]) || ($plurals) && ($trans = $_this->_domains[$domain][$_this->_lang][$_this->category][$plural])) {
259
				if (is_array($trans)) {
260
					if (isset($trans[$plurals])) {
261
						$trans = $trans[$plurals];
262
					} else {
263
						trigger_error(
264
							__d('cake_dev',
265
								'Missing plural form translation for "%s" in "%s" domain, "%s" locale. ' .
266
								' Check your po file for correct plurals and valid Plural-Forms header.',
267
								$singular,
268
								$domain,
269
								$_this->_lang
270
							),
271
							E_USER_WARNING
272
						);
273
						$trans = $trans[0];
274
					}
275
				}
276
				if (strlen($trans)) {
277
					return $trans;
278
				}
279
			}
280
		}
281
 
282
		if (!empty($plurals)) {
283
			return $plural;
284
		}
285
		return $singular;
286
	}
287
 
288
/**
289
 * Clears the domains internal data array. Useful for testing i18n.
290
 *
291
 * @return void
292
 */
293
	public static function clear() {
294
		$self = I18n::getInstance();
295
		$self->_domains = array();
296
	}
297
 
298
/**
299
 * Get the loaded domains cache.
300
 *
301
 * @return array
302
 */
303
	public static function domains() {
304
		$self = I18n::getInstance();
305
		return $self->_domains;
306
	}
307
 
308
/**
309
 * Attempts to find the plural form of a string.
310
 *
311
 * @param string $header Type
312
 * @param int $n Number
313
 * @return int plural match
314
 */
315
	protected function _pluralGuess($header, $n) {
316
		if (!is_string($header) || $header === "nplurals=1;plural=0;" || !isset($header[0])) {
317
			return 0;
318
		}
319
 
320
		if ($header === "nplurals=2;plural=n!=1;") {
321
			return $n != 1 ? 1 : 0;
322
		} elseif ($header === "nplurals=2;plural=n>1;") {
323
			return $n > 1 ? 1 : 0;
324
		}
325
 
326
		if (strpos($header, "plurals=3")) {
327
			if (strpos($header, "100!=11")) {
328
				if (strpos($header, "10<=4")) {
329
					return $n % 10 == 1 && $n % 100 != 11 ? 0 : ($n % 10 >= 2 && $n % 10 <= 4 && ($n % 100 < 10 || $n % 100 >= 20) ? 1 : 2);
330
				} elseif (strpos($header, "100<10")) {
331
					return $n % 10 == 1 && $n % 100 != 11 ? 0 : ($n % 10 >= 2 && ($n % 100 < 10 || $n % 100 >= 20) ? 1 : 2);
332
				}
333
				return $n % 10 == 1 && $n % 100 != 11 ? 0 : ($n != 0 ? 1 : 2);
334
			} elseif (strpos($header, "n==2")) {
335
				return $n == 1 ? 0 : ($n == 2 ? 1 : 2);
336
			} elseif (strpos($header, "n==0")) {
337
				return $n == 1 ? 0 : ($n == 0 || ($n % 100 > 0 && $n % 100 < 20) ? 1 : 2);
338
			} elseif (strpos($header, "n>=2")) {
339
				return $n == 1 ? 0 : ($n >= 2 && $n <= 4 ? 1 : 2);
340
			} elseif (strpos($header, "10>=2")) {
341
				return $n == 1 ? 0 : ($n % 10 >= 2 && $n % 10 <= 4 && ($n % 100 < 10 || $n % 100 >= 20) ? 1 : 2);
342
			}
343
			return $n % 10 == 1 ? 0 : ($n % 10 == 2 ? 1 : 2);
344
		} elseif (strpos($header, "plurals=4")) {
345
			if (strpos($header, "100==2")) {
346
				return $n % 100 == 1 ? 0 : ($n % 100 == 2 ? 1 : ($n % 100 == 3 || $n % 100 == 4 ? 2 : 3));
347
			} elseif (strpos($header, "n>=3")) {
348
				return $n == 1 ? 0 : ($n == 2 ? 1 : ($n == 0 || ($n >= 3 && $n <= 10) ? 2 : 3));
349
			} elseif (strpos($header, "100>=1")) {
350
				return $n == 1 ? 0 : ($n == 0 || ($n % 100 >= 1 && $n % 100 <= 10) ? 1 : ($n % 100 >= 11 && $n % 100 <= 20 ? 2 : 3));
351
			}
352
		} elseif (strpos($header, "plurals=5")) {
353
			return $n == 1 ? 0 : ($n == 2 ? 1 : ($n >= 3 && $n <= 6 ? 2 : ($n >= 7 && $n <= 10 ? 3 : 4)));
354
		}
355
	}
356
 
357
/**
358
 * Binds the given domain to a file in the specified directory.
359
 *
360
 * @param string $domain Domain to bind
361
 * @return string Domain binded
362
 */
363
	protected function _bindTextDomain($domain) {
364
		$this->_noLocale = true;
365
		$core = true;
366
		$merge = array();
367
		$searchPaths = App::path('locales');
368
		$plugins = CakePlugin::loaded();
369
 
370
		if (!empty($plugins)) {
371
			foreach ($plugins as $plugin) {
372
				$pluginDomain = Inflector::underscore($plugin);
373
				if ($pluginDomain === $domain) {
374
					$searchPaths[] = CakePlugin::path($plugin) . 'Locale' . DS;
375
					$searchPaths = array_reverse($searchPaths);
376
					break;
377
				}
378
			}
379
		}
380
 
381
		foreach ($searchPaths as $directory) {
382
			foreach ($this->l10n->languagePath as $lang) {
383
				$localeDef = $directory . $lang . DS . $this->category;
384
				if (is_file($localeDef)) {
385
					$definitions = self::loadLocaleDefinition($localeDef);
386
					if ($definitions !== false) {
387
						$this->_domains[$domain][$this->_lang][$this->category] = $definitions;
388
						$this->_noLocale = false;
389
						return $domain;
390
					}
391
				}
392
 
393
				if ($core) {
394
					$app = $directory . $lang . DS . $this->category . DS . 'core';
395
					$translations = false;
396
 
397
					if (is_file($app . '.mo')) {
398
						$translations = self::loadMo($app . '.mo');
399
					}
400
					if ($translations === false && is_file($app . '.po')) {
401
						$translations = self::loadPo($app . '.po');
402
					}
403
 
404
					if ($translations !== false) {
405
						$this->_domains[$domain][$this->_lang][$this->category] = $translations;
406
						$merge[$domain][$this->_lang][$this->category] = $this->_domains[$domain][$this->_lang][$this->category];
407
						$this->_noLocale = false;
408
						$core = null;
409
					}
410
				}
411
 
412
				$file = $directory . $lang . DS . $this->category . DS . $domain;
413
				$translations = false;
414
 
415
				if (is_file($file . '.mo')) {
416
					$translations = self::loadMo($file . '.mo');
417
				}
418
				if ($translations === false && is_file($file . '.po')) {
419
					$translations = self::loadPo($file . '.po');
420
				}
421
 
422
				if ($translations !== false) {
423
					$this->_domains[$domain][$this->_lang][$this->category] = $translations;
424
					$this->_noLocale = false;
425
					break 2;
426
				}
427
			}
428
		}
429
 
430
		if (empty($this->_domains[$domain][$this->_lang][$this->category])) {
431
			$this->_domains[$domain][$this->_lang][$this->category] = array();
432
			return $domain;
433
		}
434
 
435
		if (isset($this->_domains[$domain][$this->_lang][$this->category][""])) {
436
			$head = $this->_domains[$domain][$this->_lang][$this->category][""];
437
 
438
			foreach (explode("\n", $head) as $line) {
439
				$header = strtok($line, ':');
440
				$line = trim(strtok("\n"));
441
				$this->_domains[$domain][$this->_lang][$this->category]["%po-header"][strtolower($header)] = $line;
442
			}
443
 
444
			if (isset($this->_domains[$domain][$this->_lang][$this->category]["%po-header"]["plural-forms"])) {
445
				$switch = preg_replace("/(?:[() {}\\[\\]^\\s*\\]]+)/", "", $this->_domains[$domain][$this->_lang][$this->category]["%po-header"]["plural-forms"]);
446
				$this->_domains[$domain][$this->_lang][$this->category]["%plural-c"] = $switch;
447
				unset($this->_domains[$domain][$this->_lang][$this->category]["%po-header"]);
448
			}
449
			$this->_domains = Hash::mergeDiff($this->_domains, $merge);
450
 
451
			if (isset($this->_domains[$domain][$this->_lang][$this->category][null])) {
452
				unset($this->_domains[$domain][$this->_lang][$this->category][null]);
453
			}
454
		}
455
 
456
		return $domain;
457
	}
458
 
459
/**
460
 * Loads the binary .mo file and returns array of translations
461
 *
462
 * @param string $filename Binary .mo file to load
463
 * @return mixed Array of translations on success or false on failure
464
 */
465
	public static function loadMo($filename) {
466
		$translations = false;
467
 
468
		// @codingStandardsIgnoreStart
469
		// Binary files extracted makes non-standard local variables
470
		if ($data = file_get_contents($filename)) {
471
			$translations = array();
472
			$header = substr($data, 0, 20);
473
			$header = unpack('L1magic/L1version/L1count/L1o_msg/L1o_trn', $header);
474
			extract($header);
475
 
476
			if ((dechex($magic) === '950412de' || dechex($magic) === 'ffffffff950412de') && !$version) {
477
				for ($n = 0; $n < $count; $n++) {
478
					$r = unpack("L1len/L1offs", substr($data, $o_msg + $n * 8, 8));
479
					$msgid = substr($data, $r["offs"], $r["len"]);
480
					unset($msgid_plural);
481
 
482
					if (strpos($msgid, "\000")) {
483
						list($msgid, $msgid_plural) = explode("\000", $msgid);
484
					}
485
					$r = unpack("L1len/L1offs", substr($data, $o_trn + $n * 8, 8));
486
					$msgstr = substr($data, $r["offs"], $r["len"]);
487
 
488
					if (strpos($msgstr, "\000")) {
489
						$msgstr = explode("\000", $msgstr);
490
					}
491
					$translations[$msgid] = $msgstr;
492
 
493
					if (isset($msgid_plural)) {
494
						$translations[$msgid_plural] =& $translations[$msgid];
495
					}
496
				}
497
			}
498
		}
499
		// @codingStandardsIgnoreEnd
500
 
501
		return $translations;
502
	}
503
 
504
/**
505
 * Loads the text .po file and returns array of translations
506
 *
507
 * @param string $filename Text .po file to load
508
 * @return mixed Array of translations on success or false on failure
509
 */
510
	public static function loadPo($filename) {
511
		if (!$file = fopen($filename, 'r')) {
512
			return false;
513
		}
514
 
515
		$type = 0;
516
		$translations = array();
517
		$translationKey = '';
518
		$plural = 0;
519
		$header = '';
520
 
521
		do {
522
			$line = trim(fgets($file));
523
			if ($line === '' || $line[0] === '#') {
524
				continue;
525
			}
526
			if (preg_match("/msgid[[:space:]]+\"(.+)\"$/i", $line, $regs)) {
527
				$type = 1;
528
				$translationKey = stripcslashes($regs[1]);
529
			} elseif (preg_match("/msgid[[:space:]]+\"\"$/i", $line, $regs)) {
530
				$type = 2;
531
				$translationKey = '';
532
			} elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && ($type == 1 || $type == 2 || $type == 3)) {
533
				$type = 3;
534
				$translationKey .= stripcslashes($regs[1]);
535
			} elseif (preg_match("/msgstr[[:space:]]+\"(.+)\"$/i", $line, $regs) && ($type == 1 || $type == 3) && $translationKey) {
536
				$translations[$translationKey] = stripcslashes($regs[1]);
537
				$type = 4;
538
			} elseif (preg_match("/msgstr[[:space:]]+\"\"$/i", $line, $regs) && ($type == 1 || $type == 3) && $translationKey) {
539
				$type = 4;
540
				$translations[$translationKey] = '';
541
			} elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && $type == 4 && $translationKey) {
542
				$translations[$translationKey] .= stripcslashes($regs[1]);
543
			} elseif (preg_match("/msgid_plural[[:space:]]+\".*\"$/i", $line, $regs)) {
544
				$type = 6;
545
			} elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && $type == 6 && $translationKey) {
546
				$type = 6;
547
			} elseif (preg_match("/msgstr\[(\d+)\][[:space:]]+\"(.+)\"$/i", $line, $regs) && ($type == 6 || $type == 7) && $translationKey) {
548
				$plural = $regs[1];
549
				$translations[$translationKey][$plural] = stripcslashes($regs[2]);
550
				$type = 7;
551
			} elseif (preg_match("/msgstr\[(\d+)\][[:space:]]+\"\"$/i", $line, $regs) && ($type == 6 || $type == 7) && $translationKey) {
552
				$plural = $regs[1];
553
				$translations[$translationKey][$plural] = '';
554
				$type = 7;
555
			} elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && $type == 7 && $translationKey) {
556
				$translations[$translationKey][$plural] .= stripcslashes($regs[1]);
557
			} elseif (preg_match("/msgstr[[:space:]]+\"(.+)\"$/i", $line, $regs) && $type == 2 && !$translationKey) {
558
				$header .= stripcslashes($regs[1]);
559
				$type = 5;
560
			} elseif (preg_match("/msgstr[[:space:]]+\"\"$/i", $line, $regs) && !$translationKey) {
561
				$header = '';
562
				$type = 5;
563
			} elseif (preg_match("/^\"(.*)\"$/i", $line, $regs) && $type == 5) {
564
				$header .= stripcslashes($regs[1]);
565
			} else {
566
				unset($translations[$translationKey]);
567
				$type = 0;
568
				$translationKey = '';
569
				$plural = 0;
570
			}
571
		} while (!feof($file));
572
		fclose($file);
573
 
574
		$merge[''] = $header;
575
		return array_merge($merge, $translations);
576
	}
577
 
578
/**
579
 * Parses a locale definition file following the POSIX standard
580
 *
581
 * @param string $filename Locale definition filename
582
 * @return mixed Array of definitions on success or false on failure
583
 */
584
	public static function loadLocaleDefinition($filename) {
585
		if (!$file = fopen($filename, 'r')) {
586
			return false;
587
		}
588
 
589
		$definitions = array();
590
		$comment = '#';
591
		$escape = '\\';
592
		$currentToken = false;
593
		$value = '';
594
		$_this = I18n::getInstance();
595
		while ($line = fgets($file)) {
596
			$line = trim($line);
597
			if (empty($line) || $line[0] === $comment) {
598
				continue;
599
			}
600
			$parts = preg_split("/[[:space:]]+/", $line);
601
			if ($parts[0] === 'comment_char') {
602
				$comment = $parts[1];
603
				continue;
604
			}
605
			if ($parts[0] === 'escape_char') {
606
				$escape = $parts[1];
607
				continue;
608
			}
609
			$count = count($parts);
610
			if ($count === 2) {
611
				$currentToken = $parts[0];
612
				$value = $parts[1];
613
			} elseif ($count === 1) {
614
				$value = is_array($value) ? $parts[0] : $value . $parts[0];
615
			} else {
616
				continue;
617
			}
618
 
619
			$len = strlen($value) - 1;
620
			if ($value[$len] === $escape) {
621
				$value = substr($value, 0, $len);
622
				continue;
623
			}
624
 
625
			$mustEscape = array($escape . ',', $escape . ';', $escape . '<', $escape . '>', $escape . $escape);
626
			$replacements = array_map('crc32', $mustEscape);
627
			$value = str_replace($mustEscape, $replacements, $value);
628
			$value = explode(';', $value);
629
			$_this->_escape = $escape;
630
			foreach ($value as $i => $val) {
631
				$val = trim($val, '"');
632
				$val = preg_replace_callback('/(?:<)?(.[^>]*)(?:>)?/', array(&$_this, '_parseLiteralValue'), $val);
633
				$val = str_replace($replacements, $mustEscape, $val);
634
				$value[$i] = $val;
635
			}
636
			if (count($value) === 1) {
637
				$definitions[$currentToken] = array_pop($value);
638
			} else {
639
				$definitions[$currentToken] = $value;
640
			}
641
		}
642
 
643
		return $definitions;
644
	}
645
 
646
/**
647
 * Auxiliary function to parse a symbol from a locale definition file
648
 *
649
 * @param string $string Symbol to be parsed
650
 * @return string parsed symbol
651
 */
652
	protected function _parseLiteralValue($string) {
653
		$string = $string[1];
654
		if (substr($string, 0, 2) === $this->_escape . 'x') {
655
			$delimiter = $this->_escape . 'x';
656
			return implode('', array_map('chr', array_map('hexdec', array_filter(explode($delimiter, $string)))));
657
		}
658
		if (substr($string, 0, 2) === $this->_escape . 'd') {
659
			$delimiter = $this->_escape . 'd';
660
			return implode('', array_map('chr', array_filter(explode($delimiter, $string))));
661
		}
662
		if ($string[0] === $this->_escape && isset($string[1]) && is_numeric($string[1])) {
663
			$delimiter = $this->_escape;
664
			return implode('', array_map('chr', array_filter(explode($delimiter, $string))));
665
		}
666
		if (substr($string, 0, 3) === 'U00') {
667
			$delimiter = 'U00';
668
			return implode('', array_map('chr', array_map('hexdec', array_filter(explode($delimiter, $string)))));
669
		}
670
		if (preg_match('/U([0-9a-fA-F]{4})/', $string, $match)) {
671
			return Multibyte::ascii(array(hexdec($match[1])));
672
		}
673
		return $string;
674
	}
675
 
676
/**
677
 * Returns a Time format definition from corresponding domain
678
 *
679
 * @param string $format Format to be translated
680
 * @param string $domain Domain where format is stored
681
 * @return mixed translated format string if only value or array of translated strings for corresponding format.
682
 */
683
	protected function _translateTime($format, $domain) {
684
		if (!empty($this->_domains[$domain][$this->_lang]['LC_TIME'][$format])) {
685
			if (($trans = $this->_domains[$domain][$this->_lang][$this->category][$format])) {
686
				return $trans;
687
			}
688
		}
689
		return $format;
690
	}
691
 
692
}