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<?php |
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declare(strict_types=1); |
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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\Label; |
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use Seboettg\CiteProc\CiteProc; |
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use Seboettg\CiteProc\Locale\Locale; |
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use Seboettg\CiteProc\Locale\TermForm; |
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use Seboettg\CiteProc\Rendering\Observer\RenderingObserver; |
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use Seboettg\CiteProc\Rendering\Observer\RenderingObserverTrait; |
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use Seboettg\CiteProc\Rendering\Rendering; |
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use Seboettg\CiteProc\Styles\StylesRenderer; |
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use SimpleXMLElement; |
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/** |
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* Class Label |
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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 Label implements Rendering, RenderingObserver |
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{ |
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use RenderingObserverTrait; |
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private $variable; |
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private $stripPeriods; |
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/** @var TermForm */ |
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private $form; |
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/** @var Plural */ |
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private $plural; |
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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 static function factory(SimpleXMLElement $node): Label |
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{ |
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$variable = $form = $plural = null; |
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$stripPeriods = false; |
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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 TermForm((string) $attribute); |
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break; |
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case "plural": |
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$plural = new Plural((string) $attribute); |
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break; |
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case "strip-periods": |
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$stripPeriods = (bool) $attribute; |
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} |
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} |
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$locale = $context->getLocale(); |
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$stylesRenderer = StylesRenderer::factory($node); |
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$label = new Label($variable, $form, $plural, $stylesRenderer, $locale, $stripPeriods); |
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$context->addObserver($label); |
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return $label; |
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} |
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/** |
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* Label constructor. |
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* @param string|null $variable |
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* @param TermForm|null $form |
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* @param Plural|null $plural |
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* @param StylesRenderer $stylesRenderer |
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* @param Locale $locale |
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* @param bool $stripPeriods |
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*/ |
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public function __construct( |
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?string $variable, |
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?TermForm $form, |
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?Plural $plural, |
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StylesRenderer $stylesRenderer, |
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Locale $locale, |
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bool $stripPeriods |
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) { |
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$this->variable = $variable; |
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$this->form = $form; |
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$this->plural = $plural; |
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$this->stylesRenderer = $stylesRenderer; |
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$this->locale = $locale; |
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$this->stripPeriods = $stripPeriods; |
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$this->initObserver(); |
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} |
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/** |
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* @param $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, $citationNumber = null): string |
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{ |
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$lang = (isset($data->language) && $data->language != 'en') ? $data->language : 'en'; |
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$this->stylesRenderer->getTextCase()->setLanguage($lang); |
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$text = ''; |
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$variables = explode(' ', $this->variable); |
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$form = !empty($this->form) ? $this->form : 'long'; |
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$plural = $this->defaultPlural(); |
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if ($this->variable === "editortranslator") { |
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if (isset($data->editor) && isset($data->translator)) { |
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$plural = $this->getPlural($data, $plural, "editortranslator"); |
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$term = $this->locale->filter('terms', "editortranslator", (string)$form); |
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$pluralForm = $term->{$plural}; |
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if (!empty($pluralForm)) { |
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$text = $pluralForm; |
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} |
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} |
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} elseif ($this->variable === "locator") { |
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$id = $data->id; |
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$citationItem = $this->citationItems->filter(function ($item) use ($id) { |
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return $item->id === $id; |
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})->current(); |
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if (!empty($citationItem->label)) { |
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$plural = $this->evaluateStringPluralism($citationItem->locator, $citationItem->label); |
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$term = $this->locale->filter('terms', $citationItem->label, (string)$form); |
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$pluralForm = $term->{$plural} ?? ""; |
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if (!empty($citationItem->locator) && !empty($pluralForm)) { |
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$text = $pluralForm; |
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} |
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} |
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} else { |
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foreach ($variables as $variable) { |
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if (isset($data->{$variable})) { |
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$plural = $this->getPlural($data, $plural, $variable); |
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$term = $this->locale->filter('terms', $variable, (string)$form); |
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$pluralForm = $term->{$plural} ?? ""; |
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if (!empty($data->{$variable}) && !empty($pluralForm)) { |
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$text = $pluralForm; |
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break; |
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} |
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} |
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} |
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} |
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return $this->formatting($text); |
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} |
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/** |
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* @param string $str |
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* @param string $variable |
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* @return string |
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*/ |
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private function evaluateStringPluralism(string $str, string $variable): string |
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{ |
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$plural = 'single'; |
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if (!empty($str)) { |
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switch ($variable) { |
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case 'page': |
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case 'chapter': |
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case 'folio': |
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$pageRegex = "/([a-zA-Z]*)([0-9]+)\s*(?:–|-)\s*([a-zA-Z]*)([0-9]+)/"; |
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$err = preg_match($pageRegex, $str, $matches); |
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if ($err !== false && count($matches) == 0) { |
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$plural = 'single'; |
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} elseif ($err !== false && count($matches)) { |
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$plural = 'multiple'; |
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} |
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break; |
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default: |
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if (is_numeric($str)) { |
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return $str > 1 ? 'multiple' : 'single'; |
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} |
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} |
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} |
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return $plural; |
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} |
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/** |
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* @param string $variable |
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*/ |
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public function setVariable(string $variable) |
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{ |
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$this->variable = $variable; |
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} |
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/** |
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* @param $data |
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* @param $plural |
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* @param $variable |
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* @return string |
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*/ |
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protected function getPlural($data, $plural, $variable): string |
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{ |
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if ($variable === "editortranslator" && isset($data->editor)) { |
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$var = $data->editor; |
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} else { |
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$var = $data->{$variable}; |
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} |
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if (((!isset($this->plural) || empty($plural))) && !empty($var)) { |
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if (is_array($var)) { |
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$count = count($var); |
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if ($count == 1) { |
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$plural = 'single'; |
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return $plural; |
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} elseif ($count > 1) { |
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$plural = 'multiple'; |
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return $plural; |
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} |
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return $plural; |
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} else { |
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return $this->evaluateStringPluralism($data->{$variable}, $variable); |
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} |
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} else { |
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if ($this->plural != "always") { |
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$plural = $this->evaluateStringPluralism($data->{$variable}, $variable); |
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return $plural; |
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} |
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return $plural; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getForm() |
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{ |
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return $this->form; |
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} |
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/** |
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* @param $text |
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* @return string |
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*/ |
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protected function formatting(?string $text): string |
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{ |
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if (empty($text)) { |
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return ""; |
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} |
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//if ($this->stripPeriods) { |
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// $text = str_replace('.', '', $text); |
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//} |
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$text = preg_replace("/\s&\s/", " & ", $text); //replace ampersands by html entity |
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$text = $this->stylesRenderer->renderTextCase($text); |
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$text = $this->stylesRenderer->renderFormatting($text); |
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return $this->stylesRenderer->renderAffixes($text); |
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} |
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/** |
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* @return string |
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*/ |
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protected function defaultPlural(): string |
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{ |
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$plural = ""; |
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switch ($this->plural) { |
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case 'never': |
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$plural = 'single'; |
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break; |
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case 'always': |
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$plural = 'multiple'; |
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break; |
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case 'contextual': |
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default: |
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} |
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return $plural; |
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} |
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} |
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