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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) 2016 Sebastian Böttger. |
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* @license https://opensource.org/licenses/MIT |
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*/ |
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namespace Seboettg\CiteProc\Rendering; |
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use Seboettg\CiteProc\CiteProc; |
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use Seboettg\CiteProc\Styles\AffixesTrait; |
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use Seboettg\CiteProc\Styles\DisplayTrait; |
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use Seboettg\CiteProc\Styles\FormattingTrait; |
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use Seboettg\CiteProc\Styles\TextCaseTrait; |
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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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const RANGE_DELIMITER_HYPHEN = "-"; |
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const RANGE_DELIMITER_AMPERSAND = "&"; |
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const RANGE_DELIMITER_COMMA = ","; |
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use FormattingTrait, |
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AffixesTrait, |
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TextCaseTrait, |
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DisplayTrait; |
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/** |
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* @var string |
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*/ |
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private $variable; |
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/** |
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* @var string |
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*/ |
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private $form; |
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/** |
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* Number constructor. |
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* @param SimpleXMLElement $node |
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*/ |
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public function __construct(SimpleXMLElement $node) |
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{ |
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//<number variable="edition" form="ordinal"/> |
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/** @var SimpleXMLElement $attribute */ |
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foreach ($node->attributes() as $attribute) { |
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switch ($attribute->getName()) { |
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case 'variable': |
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$this->variable = (string)$attribute; |
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break; |
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case 'form': |
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$this->form = (string)$attribute; |
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} |
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} |
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$this->initFormattingAttributes($node); |
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$this->initAffixesAttributes($node); |
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$this->initTextCaseAttributes($node); |
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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 ($this->form) { |
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case 'ordinal': |
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if (preg_match("/\s*(\d+)\s*([\-\-&,])\s*(\d+)\s*/", $decimalNumber, $matches)) { |
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$num1 = self::ordinal($matches[1]); |
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$num2 = self::ordinal($matches[3]); |
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$text = $this->buildNumberRangeString($num1, $num2, $matches[2]); |
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} else { |
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$text = self::ordinal($decimalNumber); |
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} |
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break; |
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case 'long-ordinal': |
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if (preg_match("/\s*(\d+)\s*([\-\-&,])\s*(\d+)\s*/", $decimalNumber, $matches)) { |
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if ($this->textCase === "capitalize-first" || $this->textCase === "sentence") { |
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$num1 = self::longOrdinal($matches[1]); |
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$num2 = self::longOrdinal($matches[3]); |
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} else { |
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$num1 = $this->applyTextCase(self::longOrdinal($matches[1])); |
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$num2 = $this->applyTextCase(self::longOrdinal($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 = self::longOrdinal($decimalNumber); |
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} |
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break; |
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case 'roman': |
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if (preg_match("/\s*(\d+)\s*([\-\-&,])\s*(\d+)\s*/", $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($decimalNumber); |
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} |
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break; |
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case 'numeric': |
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default: |
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/* |
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During the extraction, numbers separated by a hyphen are stripped of intervening spaces (“2 - 4” |
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becomes “2-4”). Numbers separated by a comma receive one space after the comma (“2,3” and “2 , 3” |
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become “2, 3”), while numbers separated by an ampersand receive one space before and one after the |
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ampersand (“2&3” becomes “2 & 3”). |
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*/ |
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$decimalNumber = $data->{$this->variable}; |
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if (preg_match("/\s*(\d+)\s*([\-\-&,])\s*(\d+)\s*/", $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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return $this->wrapDisplayBlock($this->addAffixes($this->format($this->applyTextCase($text, $lang)))); |
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} |
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/** |
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* @param $num |
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* @return string |
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*/ |
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public static function ordinal($num) |
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{ |
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if (($num / 10) % 10 == 1) { |
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$ordinalSuffix = CiteProc::getContext()->getLocale()->filter('terms', 'ordinal')->single; |
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} elseif ($num % 10 == 1) { |
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$ordinalSuffix = CiteProc::getContext()->getLocale()->filter('terms', 'ordinal-01')->single; |
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} elseif ($num % 10 == 2) { |
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$ordinalSuffix = CiteProc::getContext()->getLocale()->filter('terms', 'ordinal-02')->single; |
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} elseif ($num % 10 == 3) { |
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$ordinalSuffix = CiteProc::getContext()->getLocale()->filter('terms', 'ordinal-03')->single; |
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} else { |
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$ordinalSuffix = CiteProc::getContext()->getLocale()->filter('terms', 'ordinal-04')->single; |
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} |
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if (empty($ordinalSuffix)) { |
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$ordinalSuffix = CiteProc::getContext()->getLocale()->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 $num |
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* @return string |
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*/ |
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public static function longOrdinal($num) |
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{ |
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$num = sprintf("%02d", $num); |
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$ret = CiteProc::getContext()->getLocale()->filter('terms', 'long-ordinal-' . $num)->single; |
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if (!$ret) { |
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return self::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 $delim |
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* @return string |
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*/ |
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public function buildNumberRangeString($num1, $num2, $delim) |
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{ |
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if (self::RANGE_DELIMITER_AMPERSAND === $delim) { |
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$numRange = "$num1 " . htmlentities(self::RANGE_DELIMITER_AMPERSAND) . " $num2"; |
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} else { |
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if (self::RANGE_DELIMITER_COMMA === $delim) { |
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$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 $number |
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* @return string |
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*/ |
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private function toDecimalNumber($number) |
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{ |
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$decimalNumber = $number; |
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if (Util\NumberHelper::isRomanNumber($number) || Util\NumberHelper::isRomanRange($number)) { |
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if (preg_match("/\s*([^\-\-&,]+)\s*([\-\-&,])\s*([^\-\-&,]+)\s*/", $number, $matches)) { |
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$num1 = Util\NumberHelper::roman2Dec($matches[1]); |
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$num2 = Util\NumberHelper::roman2Dec($matches[3]); |
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$decimalNumber = $num1 . $matches[2] . $num2; |
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} else { |
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$decimalNumber = Util\NumberHelper::roman2Dec($number); |
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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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seboettg /
citeproc-php
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