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<?php
declare(strict_types=1);
namespace Money\Parser;
use Money\Currencies;
use Money\Currency;
use Money\Exception\ParserException;
use Money\Money;
use Money\MoneyParser;
use Money\Number;
use NumberFormatter;
use function assert;
use function ltrim;
use function str_pad;
use function str_replace;
use function strlen;
use function strpos;
use function substr;
/**
* Parses a string into a Money object using intl extension.
*/
final class IntlMoneyParser implements MoneyParser
{
private NumberFormatter $formatter;
private Currencies $currencies;
public function __construct(NumberFormatter $formatter, Currencies $currencies)
{
$this->formatter = $formatter;
$this->currencies = $currencies;
}
public function parse(string $money, Currency|null $fallbackCurrency = null): Money
{
$currency = '';
// phpcs:ignore
/** @var string|float|bool|null $decimal */
$decimal = $this->formatter->parseCurrency($money, $currency);
if ($decimal === false || $decimal === null) {
throw new ParserException('Cannot parse ' . $money . ' to Money. ' . $this->formatter->getErrorMessage());
}
if ($fallbackCurrency === null) {
assert($currency !== '');
$fallbackCurrency = new Currency($currency);
}
$decimal = (string) $decimal;
$subunit = $this->currencies->subunitFor($fallbackCurrency);
$decimalPosition = strpos($decimal, '.');
if ($decimalPosition !== false) {
$decimalLength = strlen($decimal);
$fractionDigits = $decimalLength - $decimalPosition - 1;
$decimal = str_replace('.', '', $decimal);
$decimal = Number::roundMoneyValue($decimal, $subunit, $fractionDigits);
if ($fractionDigits > $subunit) {
$decimal = substr($decimal, 0, $decimalPosition + $subunit);
} elseif ($fractionDigits < $subunit) {
$decimal .= str_pad('', $subunit - $fractionDigits, '0');
}
} else {
$decimal .= str_pad('', $subunit, '0');
}
if ($decimal[0] === '-') {
$decimal = '-' . ltrim(substr($decimal, 1), '0');
} else {
$decimal = ltrim($decimal, '0');
}
if ($decimal === '') {
$decimal = '0';
}
/** @psalm-var numeric-string $decimal */
return new Money($decimal, $fallbackCurrency);
}
}