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<?php |
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|
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namespace Money\Parser; |
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|
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use Money\Currencies\BitcoinCurrencies; |
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use Money\Currency; |
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use Money\Exception\ParserException; |
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use Money\Money; |
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use Money\MoneyParser; |
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|
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/** |
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* Parses Bitcoin currency to Money. |
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* |
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* @author Frederik Bosch <f.bosch@genkgo.nl> |
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*/ |
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final class BitcoinMoneyParser implements MoneyParser |
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{ |
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/** |
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* @var int |
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*/ |
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private $fractionDigits; |
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|
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/** |
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* @param int $fractionDigits |
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*/ |
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public function __construct($fractionDigits) |
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{ |
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$this->fractionDigits = $fractionDigits; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function parse($money, $forceCurrency = null) |
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{ |
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if (is_string($money) === false) { |
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throw new ParserException('Formatted raw money should be string, e.g. $1.00'); |
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} |
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|
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if (strpos($money, BitcoinCurrencies::SYMBOL) === false) { |
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throw new ParserException('Value cannot be parsed as Bitcoin'); |
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} |
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|
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if ($forceCurrency === null) { |
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$forceCurrency = new Currency(BitcoinCurrencies::CODE); |
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} |
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|
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/* |
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* This conversion is only required whilst currency can be either a string or a |
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* Currency object. |
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*/ |
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$currency = $forceCurrency; |
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if (!$currency instanceof Currency) { |
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@trigger_error('Passing a currency as string is deprecated since 3.1 and will be removed in 4.0. Please pass a '.Currency::class.' instance instead.', E_USER_DEPRECATED); |
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$currency = new Currency($currency); |
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} |
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|
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$decimal = str_replace(BitcoinCurrencies::SYMBOL, '', $money); |
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$decimalSeparator = strpos($decimal, '.'); |
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|
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if (false !== $decimalSeparator) { |
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$decimal = rtrim($decimal, '0'); |
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$lengthDecimal = strlen($decimal); |
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$decimal = str_replace('.', '', $decimal); |
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$decimal .= str_pad('', ($lengthDecimal - $decimalSeparator - $this->fractionDigits - 1) * -1, '0'); |
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} else { |
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$decimal .= str_pad('', $this->fractionDigits, '0'); |
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} |
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|
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if (substr($decimal, 0, 1) === '-') { |
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$decimal = '-'.ltrim(substr($decimal, 1), '0'); |
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} else { |
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$decimal = ltrim($decimal, '0'); |
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} |
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|
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if ('' === $decimal) { |
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$decimal = '0'; |
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} |
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|
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return new Money($decimal, $currency); |
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} |
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} |
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