1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* User: onnov |
5
|
|
|
* Date: 02.09.2019 |
6
|
|
|
* Time: 18:25 |
7
|
|
|
*/ |
8
|
|
|
|
9
|
|
|
declare(strict_types=1); |
10
|
|
|
|
11
|
|
|
namespace Onnov\DetectEncoding; |
12
|
|
|
|
13
|
|
|
/** |
14
|
|
|
* Class CodePage |
15
|
|
|
* |
16
|
|
|
* @package Onnov\DetectEncoding |
17
|
|
|
*/ |
18
|
|
|
class CodePage |
19
|
|
|
{ |
20
|
|
|
/** |
21
|
|
|
* Method to get a custom encoding range |
22
|
|
|
* |
23
|
|
|
* @param string $uppercaseLetters |
24
|
|
|
* @param string $lowercaseLetters |
25
|
|
|
* @param string $encoding |
26
|
|
|
* |
27
|
|
|
* @return array<string, array<string, string>> |
28
|
|
|
*/ |
29
|
1 |
|
public function getRange( |
30
|
|
|
string $uppercaseLetters, |
31
|
|
|
string $lowercaseLetters, |
32
|
|
|
string $encoding |
33
|
|
|
): array { |
34
|
|
|
return [ |
35
|
|
|
$encoding => [ |
36
|
1 |
|
'upper' => $this->getRangeStr($this->getLetterArr( |
37
|
1 |
|
$uppercaseLetters, |
38
|
|
|
$encoding |
39
|
|
|
)), |
40
|
1 |
|
'lower' => $this->getRangeStr($this->getLetterArr( |
41
|
1 |
|
$lowercaseLetters, |
42
|
|
|
$encoding |
43
|
|
|
)), |
44
|
|
|
], |
45
|
|
|
]; |
46
|
|
|
} |
47
|
|
|
|
48
|
|
|
/** |
49
|
|
|
* @param array<int, int|string> $array |
50
|
|
|
* |
51
|
|
|
* @return string |
52
|
|
|
*/ |
53
|
1 |
|
private function getRangeStr(array $array): string |
54
|
|
|
{ |
55
|
1 |
|
$ranges = []; |
56
|
1 |
|
$last = null; |
57
|
1 |
|
foreach ($array as $current) { |
58
|
1 |
|
if ($current > $last + 1) { |
59
|
1 |
|
$lastKey = array_key_last($ranges); |
60
|
1 |
|
if (null !== $lastKey) { |
61
|
1 |
|
$ranges[$lastKey][1] = $last; |
62
|
|
|
} |
63
|
1 |
|
$ranges[] = [$current, null]; |
64
|
|
|
} |
65
|
1 |
|
$last = (int)$current; |
66
|
|
|
} |
67
|
1 |
|
$lastKey = array_key_last($ranges); |
68
|
1 |
|
$ranges[$lastKey][1] = $last; |
69
|
|
|
|
70
|
1 |
|
$stringIntervals = []; |
71
|
1 |
|
foreach ($ranges as $interval) { |
72
|
1 |
|
if (current($interval) < end($interval)) { |
73
|
1 |
|
$stringIntervals[] = implode('-', $interval); |
74
|
1 |
|
continue; |
75
|
|
|
} |
76
|
1 |
|
$stringIntervals[] = array_pop($interval); |
77
|
|
|
} |
78
|
|
|
|
79
|
1 |
|
return implode(', ', $stringIntervals); |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
/** |
83
|
|
|
* @param string $strLetters |
84
|
|
|
* @param string $encoding |
85
|
|
|
* |
86
|
|
|
* @return array<int, int|string> |
87
|
|
|
*/ |
88
|
1 |
|
private function getLetterArr(string &$strLetters, string $encoding): array |
89
|
|
|
{ |
90
|
1 |
|
$res = []; |
91
|
1 |
|
$str = iconv('utf-8', $encoding . '//IGNORE', $strLetters); |
92
|
1 |
|
if (is_string($str)) { |
|
|
|
|
93
|
1 |
|
$res = array_keys(count_chars($str, 1)); |
94
|
|
|
} |
95
|
|
|
|
96
|
1 |
|
return $res; |
97
|
|
|
} |
98
|
|
|
} |
99
|
|
|
|