| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Class Mode |
| 5 |
* |
| 6 |
* @created 19.11.2020 |
| 7 |
* @author smiley <smiley@chillerlan.net> |
| 8 |
* @copyright 2020 smiley |
| 9 |
* @license MIT |
| 10 |
*/ |
| 11 |
namespace WCPOS\Vendor\chillerlan\QRCode\Common; |
| 12 |
|
| 13 |
use WCPOS\Vendor\chillerlan\QRCode\Data\AlphaNum; |
| 14 |
use WCPOS\Vendor\chillerlan\QRCode\Data\Byte; |
| 15 |
use WCPOS\Vendor\chillerlan\QRCode\Data\Hanzi; |
| 16 |
use WCPOS\Vendor\chillerlan\QRCode\Data\Kanji; |
| 17 |
use WCPOS\Vendor\chillerlan\QRCode\Data\Number; |
| 18 |
use WCPOS\Vendor\chillerlan\QRCode\QRCodeException; |
| 19 |
/** |
| 20 |
* Data mode information - ISO 18004:2006, 6.4.1, Tables 2 and 3 |
| 21 |
*/ |
| 22 |
final class Mode |
| 23 |
{ |
| 24 |
// ISO/IEC 18004:2000 Table 2 |
| 25 |
/** @var int */ |
| 26 |
public const TERMINATOR = 0b0; |
| 27 |
/** @var int */ |
| 28 |
public const NUMBER = 0b1; |
| 29 |
/** @var int */ |
| 30 |
public const ALPHANUM = 0b10; |
| 31 |
/** @var int */ |
| 32 |
public const BYTE = 0b100; |
| 33 |
/** @var int */ |
| 34 |
public const KANJI = 0b1000; |
| 35 |
/** @var int */ |
| 36 |
public const HANZI = 0b1101; |
| 37 |
/** @var int */ |
| 38 |
public const STRCTURED_APPEND = 0b11; |
| 39 |
/** @var int */ |
| 40 |
public const FNC1_FIRST = 0b101; |
| 41 |
/** @var int */ |
| 42 |
public const FNC1_SECOND = 0b1001; |
| 43 |
/** @var int */ |
| 44 |
public const ECI = 0b111; |
| 45 |
/** |
| 46 |
* mode length bits for the version breakpoints 1-9, 10-26 and 27-40 |
| 47 |
* |
| 48 |
* ISO/IEC 18004:2000 Table 3 - Number of bits in Character Count Indicator |
| 49 |
*/ |
| 50 |
public const LENGTH_BITS = [self::NUMBER => [10, 12, 14], self::ALPHANUM => [9, 11, 13], self::BYTE => [8, 16, 16], self::KANJI => [8, 10, 12], self::HANZI => [8, 10, 12], self::ECI => [0, 0, 0]]; |
| 51 |
/** |
| 52 |
* Map of data mode => interface (detection order) |
| 53 |
* |
| 54 |
* @var string[] |
| 55 |
*/ |
| 56 |
public const INTERFACES = [self::NUMBER => Number::class, self::ALPHANUM => AlphaNum::class, self::KANJI => Kanji::class, self::HANZI => Hanzi::class, self::BYTE => Byte::class]; |
| 57 |
/** |
| 58 |
* returns the length bits for the version breakpoints 1-9, 10-26 and 27-40 |
| 59 |
* |
| 60 |
* @throws \chillerlan\QRCode\QRCodeException |
| 61 |
*/ |
| 62 |
public static function getLengthBitsForVersion(int $mode, int $version) : int |
| 63 |
{ |
| 64 |
if (!isset(self::LENGTH_BITS[$mode])) { |
| 65 |
throw new QRCodeException('invalid mode given'); |
| 66 |
} |
| 67 |
$minVersion = 0; |
| 68 |
foreach ([9, 26, 40] as $key => $breakpoint) { |
| 69 |
if ($version > $minVersion && $version <= $breakpoint) { |
| 70 |
return self::LENGTH_BITS[$mode][$key]; |
| 71 |
} |
| 72 |
$minVersion = $breakpoint; |
| 73 |
} |
| 74 |
throw new QRCodeException(\sprintf('invalid version number: %d', $version)); |
| 75 |
} |
| 76 |
} |
| 77 |
|
