| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* This file is part of the ramsey/uuid library |
| 5 |
* |
| 6 |
* For the full copyright and license information, please view the LICENSE |
| 7 |
* file that was distributed with this source code. |
| 8 |
* |
| 9 |
* @copyright Copyright (c) Ben Ramsey <[email protected]> |
| 10 |
* @license http://opensource.org/licenses/MIT MIT |
| 11 |
*/ |
| 12 |
declare (strict_types=1); |
| 13 |
namespace Dudlewebs\WPMCS\GCP\Ramsey\Uuid\Math; |
| 14 |
|
| 15 |
use Dudlewebs\WPMCS\GCP\Brick\Math\BigDecimal; |
| 16 |
use Dudlewebs\WPMCS\GCP\Brick\Math\BigInteger; |
| 17 |
use Dudlewebs\WPMCS\GCP\Brick\Math\Exception\MathException; |
| 18 |
use Dudlewebs\WPMCS\GCP\Brick\Math\RoundingMode as BrickMathRounding; |
| 19 |
use Dudlewebs\WPMCS\GCP\Ramsey\Uuid\Exception\InvalidArgumentException; |
| 20 |
use Dudlewebs\WPMCS\GCP\Ramsey\Uuid\Type\Decimal; |
| 21 |
use Dudlewebs\WPMCS\GCP\Ramsey\Uuid\Type\Hexadecimal; |
| 22 |
use Dudlewebs\WPMCS\GCP\Ramsey\Uuid\Type\Integer as IntegerObject; |
| 23 |
use Dudlewebs\WPMCS\GCP\Ramsey\Uuid\Type\NumberInterface; |
| 24 |
/** |
| 25 |
* A calculator using the brick/math library for arbitrary-precision arithmetic |
| 26 |
* |
| 27 |
* @immutable |
| 28 |
*/ |
| 29 |
final class BrickMathCalculator implements CalculatorInterface |
| 30 |
{ |
| 31 |
private const ROUNDING_MODE_MAP = [RoundingMode::UNNECESSARY => BrickMathRounding::UNNECESSARY, RoundingMode::UP => BrickMathRounding::UP, RoundingMode::DOWN => BrickMathRounding::DOWN, RoundingMode::CEILING => BrickMathRounding::CEILING, RoundingMode::FLOOR => BrickMathRounding::FLOOR, RoundingMode::HALF_UP => BrickMathRounding::HALF_UP, RoundingMode::HALF_DOWN => BrickMathRounding::HALF_DOWN, RoundingMode::HALF_CEILING => BrickMathRounding::HALF_CEILING, RoundingMode::HALF_FLOOR => BrickMathRounding::HALF_FLOOR, RoundingMode::HALF_EVEN => BrickMathRounding::HALF_EVEN]; |
| 32 |
public function add(NumberInterface $augend, NumberInterface ...$addends) : NumberInterface |
| 33 |
{ |
| 34 |
$sum = BigInteger::of($augend->toString()); |
| 35 |
foreach ($addends as $addend) { |
| 36 |
$sum = $sum->plus($addend->toString()); |
| 37 |
} |
| 38 |
/** @phpstan-ignore possiblyImpure.new */ |
| 39 |
return new IntegerObject((string) $sum); |
| 40 |
} |
| 41 |
public function subtract(NumberInterface $minuend, NumberInterface ...$subtrahends) : NumberInterface |
| 42 |
{ |
| 43 |
$difference = BigInteger::of($minuend->toString()); |
| 44 |
foreach ($subtrahends as $subtrahend) { |
| 45 |
$difference = $difference->minus($subtrahend->toString()); |
| 46 |
} |
| 47 |
/** @phpstan-ignore possiblyImpure.new */ |
| 48 |
return new IntegerObject((string) $difference); |
| 49 |
} |
| 50 |
public function multiply(NumberInterface $multiplicand, NumberInterface ...$multipliers) : NumberInterface |
| 51 |
{ |
| 52 |
$product = BigInteger::of($multiplicand->toString()); |
| 53 |
foreach ($multipliers as $multiplier) { |
| 54 |
$product = $product->multipliedBy($multiplier->toString()); |
| 55 |
} |
| 56 |
/** @phpstan-ignore possiblyImpure.new */ |
| 57 |
return new IntegerObject((string) $product); |
| 58 |
} |
| 59 |
public function divide(int $roundingMode, int $scale, NumberInterface $dividend, NumberInterface ...$divisors) : NumberInterface |
| 60 |
{ |
| 61 |
/** @phpstan-ignore possiblyImpure.methodCall */ |
| 62 |
$brickRounding = $this->getBrickRoundingMode($roundingMode); |
| 63 |
$quotient = BigDecimal::of($dividend->toString()); |
| 64 |
foreach ($divisors as $divisor) { |
| 65 |
$quotient = $quotient->dividedBy($divisor->toString(), $scale, $brickRounding); |
| 66 |
} |
| 67 |
if ($scale === 0) { |
| 68 |
/** @phpstan-ignore possiblyImpure.new */ |
| 69 |
return new IntegerObject((string) $quotient->toBigInteger()); |
| 70 |
} |
| 71 |
/** @phpstan-ignore possiblyImpure.new */ |
| 72 |
return new Decimal((string) $quotient); |
| 73 |
} |
| 74 |
public function fromBase(string $value, int $base) : IntegerObject |
| 75 |
{ |
| 76 |
try { |
| 77 |
/** @phpstan-ignore possiblyImpure.new */ |
| 78 |
return new IntegerObject((string) BigInteger::fromBase($value, $base)); |
| 79 |
} catch (MathException|\InvalidArgumentException $exception) { |
| 80 |
throw new InvalidArgumentException($exception->getMessage(), (int) $exception->getCode(), $exception); |
| 81 |
} |
| 82 |
} |
| 83 |
public function toBase(IntegerObject $value, int $base) : string |
| 84 |
{ |
| 85 |
try { |
| 86 |
return BigInteger::of($value->toString())->toBase($base); |
| 87 |
} catch (MathException|\InvalidArgumentException $exception) { |
| 88 |
throw new InvalidArgumentException($exception->getMessage(), (int) $exception->getCode(), $exception); |
| 89 |
} |
| 90 |
} |
| 91 |
public function toHexadecimal(IntegerObject $value) : Hexadecimal |
| 92 |
{ |
| 93 |
/** @phpstan-ignore possiblyImpure.new */ |
| 94 |
return new Hexadecimal($this->toBase($value, 16)); |
| 95 |
} |
| 96 |
public function toInteger(Hexadecimal $value) : IntegerObject |
| 97 |
{ |
| 98 |
return $this->fromBase($value->toString(), 16); |
| 99 |
} |
| 100 |
/** |
| 101 |
* Maps ramsey/uuid rounding modes to those used by brick/math |
| 102 |
* |
| 103 |
* @return BrickMathRounding::* |
| 104 |
*/ |
| 105 |
private function getBrickRoundingMode(int $roundingMode) |
| 106 |
{ |
| 107 |
return self::ROUNDING_MODE_MAP[$roundingMode] ?? BrickMathRounding::UNNECESSARY; |
| 108 |
} |
| 109 |
} |
| 110 |
|
