-
Notifications
You must be signed in to change notification settings - Fork 7
Expand file tree
/
Copy pathAlphanumericData.php
More file actions
71 lines (58 loc) · 1.96 KB
/
Copy pathAlphanumericData.php
File metadata and controls
71 lines (58 loc) · 1.96 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
<?php
declare(strict_types=1);
namespace GlobusStudio\QRCode\Data;
use GlobusStudio\QRCode\Encoder\BitBuffer;
final class AlphanumericData extends AbstractQRData
{
private const CHAR_MAP = [
'0' => 0, '1' => 1, '2' => 2, '3' => 3, '4' => 4,
'5' => 5, '6' => 6, '7' => 7, '8' => 8, '9' => 9,
'A' => 10, 'B' => 11, 'C' => 12, 'D' => 13, 'E' => 14,
'F' => 15, 'G' => 16, 'H' => 17, 'I' => 18, 'J' => 19,
'K' => 20, 'L' => 21, 'M' => 22, 'N' => 23, 'O' => 24,
'P' => 25, 'Q' => 26, 'R' => 27, 'S' => 28, 'T' => 29,
'U' => 30, 'V' => 31, 'W' => 32, 'X' => 33, 'Y' => 34,
'Z' => 35, ' ' => 36, '$' => 37, '%' => 38, '*' => 39,
'+' => 40, '-' => 41, '.' => 42, '/' => 43, ':' => 44,
];
public function __construct(string $data)
{
if (!self::isValid($data)) {
throw new \InvalidArgumentException('Data contains invalid alphanumeric characters');
}
parent::__construct(self::MODE_ALPHA_NUM, $data);
}
public static function isValid(string $data): bool
{
$len = strlen($data);
for ($i = 0; $i < $len; $i++) {
if (!isset(self::CHAR_MAP[$data[$i]])) {
return false;
}
}
return $len > 0;
}
public function write(BitBuffer $buffer): void
{
$data = $this->getData();
$len = strlen($data);
$i = 0;
while ($i + 1 < $len) {
$buffer->put(
self::getCode($data[$i]) * 45 + self::getCode($data[$i + 1]),
11
);
$i += 2;
}
if ($i < $len) {
$buffer->put(self::getCode($data[$i]), 6);
}
}
private static function getCode(string $char): int
{
if (!isset(self::CHAR_MAP[$char])) {
throw new \InvalidArgumentException("Invalid alphanumeric character: $char"); // @codeCoverageIgnore
}
return self::CHAR_MAP[$char];
}
}