|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* This file is part of riesenia/pohoda package. |
|
5
|
|
|
* |
|
6
|
|
|
* Licensed under the MIT License |
|
7
|
|
|
* (c) RIESENIA.com |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
declare(strict_types=1); |
|
11
|
|
|
|
|
12
|
|
|
namespace Riesenia\Pohoda\ValueTransformer; |
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* A transformer that rewrites Cyrillic script to its Latin alphabet equivalent. |
|
16
|
|
|
* |
|
17
|
|
|
* Note: This transformation is a phonetic representation and does not provide a translation of the text. |
|
18
|
|
|
*/ |
|
19
|
|
|
class CyrillicTransliterationTransformer implements ValueTransformerInterface |
|
20
|
|
|
{ |
|
21
|
|
|
/** |
|
22
|
|
|
* {@inheritdoc} |
|
23
|
|
|
*/ |
|
24
|
4 |
|
public function transform(string $value): string |
|
25
|
|
|
{ |
|
26
|
4 |
|
$normalized = \Normalizer::normalize($value, \Normalizer::FORM_C); |
|
27
|
|
|
|
|
28
|
4 |
|
if (false === $normalized) { |
|
29
|
|
|
// @codeCoverageIgnoreStart |
|
30
|
|
|
// must do some error with Normalizer class |
|
31
|
|
|
return $value; |
|
32
|
|
|
} |
|
33
|
|
|
// @codeCoverageIgnoreEnd |
|
34
|
|
|
|
|
35
|
4 |
|
$transformer = \Transliterator::create('Any-Latin; Latin-ASCII'); |
|
36
|
|
|
|
|
37
|
4 |
|
if (is_null($transformer)) { |
|
38
|
|
|
// @codeCoverageIgnoreStart |
|
39
|
|
|
// this can happen only if there is no latin encoding installed - not happen with Pohoda which need that |
|
40
|
|
|
return $value; |
|
41
|
|
|
} |
|
42
|
|
|
// @codeCoverageIgnoreEnd |
|
43
|
|
|
|
|
44
|
4 |
|
$chars = \preg_split('//u', $normalized, -1, PREG_SPLIT_NO_EMPTY); |
|
45
|
|
|
|
|
46
|
4 |
|
if (false === $chars) { |
|
47
|
|
|
// @codeCoverageIgnoreStart |
|
48
|
|
|
// can happen only when something in preg_split fails |
|
49
|
|
|
return $value; |
|
50
|
|
|
} |
|
51
|
|
|
// @codeCoverageIgnoreEnd |
|
52
|
|
|
|
|
53
|
4 |
|
$result = ''; |
|
54
|
|
|
|
|
55
|
4 |
|
foreach ($chars as $char) { |
|
56
|
4 |
|
$codePoint = \mb_ord($char, 'UTF-8'); |
|
57
|
|
|
|
|
58
|
4 |
|
if ((0x00400 <= $codePoint && 0x004FF >= $codePoint) // Cyrillic Basic |
|
59
|
4 |
|
|| (0x00500 <= $codePoint && 0x0052F >= $codePoint) // Cyrillic Supplement |
|
60
|
4 |
|
|| (0x02DE0 <= $codePoint && 0x02DFF >= $codePoint) // Cyrillic Extended-A |
|
61
|
4 |
|
|| (0x0A640 <= $codePoint && 0x0A69F >= $codePoint) // Cyrillic Extended-B |
|
62
|
4 |
|
|| (0x01C80 <= $codePoint && 0x01C8F >= $codePoint) // Cyrillic Extended-C |
|
63
|
4 |
|
|| (0x1E030 <= $codePoint && 0x1E08F >= $codePoint) // Cyrillic Extended-D |
|
64
|
|
|
) { |
|
65
|
1 |
|
$result .= $transformer->transliterate($char); |
|
66
|
|
|
} else { |
|
67
|
4 |
|
$result .= $char; |
|
68
|
|
|
} |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
4 |
|
return $result; |
|
72
|
|
|
} |
|
73
|
|
|
} |
|
74
|
|
|
|
alex-kalanis /
pohoda
