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<?php |
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/* |
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* citeproc-php |
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* |
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* @link http://github.com/seboettg/citeproc-php for the source repository |
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* @copyright Copyright (c) 2020 Sebastian Böttger. |
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* @license https://opensource.org/licenses/MIT |
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*/ |
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namespace Seboettg\CiteProc\Rendering\Number; |
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use Seboettg\CiteProc\CiteProc; |
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use Seboettg\CiteProc\Locale\Locale; |
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use Seboettg\CiteProc\Rendering\Rendering; |
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use Seboettg\CiteProc\Styles\StylesRenderer; |
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use Seboettg\CiteProc\Styles\TextCase; |
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use Seboettg\CiteProc\Util; |
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use SimpleXMLElement; |
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use stdClass; |
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/** |
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* Class Number |
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* @package Seboettg\CiteProc\Rendering |
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* |
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* @author Sebastian Böttger <[email protected]> |
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*/ |
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class Number implements Rendering |
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{ |
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private const RANGE_DELIMITER_HYPHEN = "-"; |
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private const RANGE_DELIMITER_AMPERSAND = "&"; |
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private const RANGE_DELIMITER_COMMA = ","; |
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private const PATTERN_ORDINAL = "/\s*(\d+)\s*([\-\–&,])\s*(\d+)\s*/"; |
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private const PATTERN_LONG_ORDINAL = "/\s*(\d+)\s*([\-\–&,])\s*(\d+)\s*/"; |
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private const PATTERN_ROMAN = "/\s*(\d+)\s*([\-\–&,])\s*(\d+)\s*/"; |
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private const PATTERN_NUMERIC = "/\s*(\d+)\s*([\-\–&,])\s*(\d+)\s*/"; |
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public static function factory(SimpleXMLElement $node) |
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{ |
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$form = $variable = null; |
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$context = CiteProc::getContext(); |
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foreach ($node->attributes() as $attribute) { |
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switch ($attribute->getName()) { |
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case 'variable': |
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$variable = (string) $attribute; |
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break; |
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case 'form': |
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$form = new Form((string) $attribute); |
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break; |
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} |
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} |
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$stylesRenderer = StylesRenderer::factory($node); |
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$locale = $context->getLocale(); |
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return new self($variable, $form, $locale, $stylesRenderer); |
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} |
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/** @var string */ |
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private $variable; |
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/** @var Form */ |
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private $form; |
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/** @var Locale */ |
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private $locale; |
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/** @var StylesRenderer */ |
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private $stylesRenderer; |
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public function __construct( |
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?string $variable, |
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?Form $form, |
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?Locale $locale, |
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StylesRenderer $stylesRenderer |
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) { |
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$this->locale = $locale; |
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$this->variable = $variable; |
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$this->form = $form; |
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$this->stylesRenderer = $stylesRenderer; |
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} |
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/** |
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* @param stdClass $data |
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* @param int|null $citationNumber |
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* @return string |
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*/ |
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public function render($data, $citationNumber = null) |
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{ |
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$lang = (isset($data->language) && $data->language != 'en') ? $data->language : 'en'; |
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if (empty($this->variable) || empty($data->{$this->variable})) { |
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return ""; |
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} |
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$number = $data->{$this->variable}; |
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$decimalNumber = $this->toDecimalNumber($number); |
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switch ((string)$this->form) { |
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case Form::ORDINAL: |
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if (preg_match(self::PATTERN_ORDINAL, $decimalNumber, $matches)) { |
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$num1 = $this->ordinal($matches[1]); |
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$num2 = $this->ordinal($matches[3]); |
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$text = $this->buildNumberRangeString($num1, $num2, $matches[2]); |
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} else { |
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$text = $this->ordinal($decimalNumber); |
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} |
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break; |
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case Form::LONG_ORDINAL: |
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if (preg_match(self::PATTERN_LONG_ORDINAL, $decimalNumber, $matches)) { |
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if (in_array($this->stylesRenderer->getTextCase()->getTextCase()->getValue(), [ |
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TextCase::CAPITALIZE_FIRST, |
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TextCase::SENTENCE |
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])) { |
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$num1 = $this->longOrdinal($matches[1]); |
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$num2 = $this->longOrdinal($matches[3]); |
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} else { |
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$num1 = $this->stylesRenderer->renderTextCase($this->longOrdinal($matches[1])); |
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$num2 = $this->stylesRenderer->renderTextCase($this->longOrdinal($matches[3])); |
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} |
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$text = $this->buildNumberRangeString($num1, $num2, $matches[2]); |
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} else { |
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$text = $this->longOrdinal($decimalNumber); |
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} |
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break; |
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case Form::ROMAN: |
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if (preg_match(self::PATTERN_ROMAN, $decimalNumber, $matches)) { |
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$num1 = Util\NumberHelper::dec2roman($matches[1]); |
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$num2 = Util\NumberHelper::dec2roman($matches[3]); |
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$text = $this->buildNumberRangeString($num1, $num2, $matches[2]); |
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} else { |
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$text = Util\NumberHelper::dec2roman($decimalNumber); |
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} |
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break; |
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case Form::NUMERIC: |
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default: |
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/* |
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During the extraction, numbers separated by a hyphen are stripped of intervening spaces (“2 - 4” |
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becomes “2-4”). Numbers separated by a comma receive one space after the comma (“2,3” and “2 , 3” |
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become “2, 3”), while numbers separated by an ampersand receive one space before and one after the |
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ampersand (“2&3” becomes “2 & 3”). |
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*/ |
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$decimalNumber = $data->{$this->variable}; |
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if (preg_match(self::PATTERN_NUMERIC, $decimalNumber, $matches)) { |
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$text = $this->buildNumberRangeString($matches[1], $matches[3], $matches[2]); |
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} else { |
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$text = $decimalNumber; |
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} |
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break; |
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} |
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$this->stylesRenderer->getTextCase()->setLanguage($lang); |
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$text = $this->stylesRenderer->renderTextCase($text); |
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$text = $this->stylesRenderer->renderFormatting($text); |
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$text = $this->stylesRenderer->renderAffixes($text); |
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return $this->stylesRenderer->renderDisplay($text); |
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} |
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/** |
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* @param $num |
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* @return string |
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*/ |
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public function ordinal($num) |
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{ |
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if (($num / 10) % 10 == 1) { |
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$ordinalSuffix = $this->locale->filter('terms', 'ordinal')->single; |
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} elseif ($num % 10 == 1) { |
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$ordinalSuffix = $this->locale->filter('terms', 'ordinal-01')->single; |
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} elseif ($num % 10 == 2) { |
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$ordinalSuffix = $this->locale->filter('terms', 'ordinal-02')->single; |
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} elseif ($num % 10 == 3) { |
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$ordinalSuffix = $this->locale->filter('terms', 'ordinal-03')->single; |
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} else { |
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$ordinalSuffix = $this->locale->filter('terms', 'ordinal-04')->single; |
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} |
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if (empty($ordinalSuffix)) { |
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$ordinalSuffix = $this->locale->filter('terms', 'ordinal')->single; |
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} |
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return $num . $ordinalSuffix; |
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} |
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/** |
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* @param $num |
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* @return string |
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*/ |
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public function longOrdinal($num) |
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{ |
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$num = sprintf("%02d", $num); |
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$ret = $this->locale->filter('terms', 'long-ordinal-' . $num)->single; |
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if (!$ret) { |
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return $this->ordinal($num); |
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} |
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return $ret; |
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} |
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/** |
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* @param string|int $num1 |
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* @param string|int $num2 |
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* @param string $delimiter |
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* @return string |
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*/ |
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public function buildNumberRangeString($num1, $num2, string $delimiter) |
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{ |
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if (self::RANGE_DELIMITER_AMPERSAND === $delimiter) { |
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$numRange = "$num1 ".htmlentities(self::RANGE_DELIMITER_AMPERSAND)." $num2"; |
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} else { |
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if (self::RANGE_DELIMITER_COMMA === $delimiter) { |
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$numRange = $num1.htmlentities(self::RANGE_DELIMITER_COMMA)." $num2"; |
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} else { |
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$numRange = $num1.self::RANGE_DELIMITER_HYPHEN.$num2; |
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} |
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} |
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return $numRange; |
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} |
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/** |
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* @param string $number |
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* @return string |
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*/ |
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private function toDecimalNumber(string $number) |
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{ |
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$decimalNumber = $number; |
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if (Util\NumberHelper::isRomanNumber($number)) { |
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$decimalNumber = Util\NumberHelper::roman2Dec($number); |
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} else { |
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$number = mb_strtolower($number); |
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if (preg_match(Util\NumberHelper::PATTERN_ROMAN_RANGE, $number, $matches)) { |
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$num1 = Util\NumberHelper::roman2Dec(mb_strtoupper($matches[1])); |
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$num2 = Util\NumberHelper::roman2Dec(mb_strtoupper($matches[3])); |
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$decimalNumber = sprintf('%d%s%d', $num1, $matches[2], $num2); |
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} |
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} |
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return $decimalNumber; |
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} |
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} |
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