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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\Styles; |
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use Seboettg\CiteProc\Util\StringHelper; |
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use SimpleXMLElement; |
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/** |
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* Trait TextCase |
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* |
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* @package Seboettg\CiteProc\Styles |
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* |
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* @author Sebastian Böttger <[email protected]> |
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*/ |
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trait TextCaseTrait |
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{ |
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private $textCase; |
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protected function initTextCaseAttributes(SimpleXMLElement $node) |
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{ |
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foreach ($node->attributes() as $attribute) { |
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$name = $attribute->getName(); |
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$value = (string) $attribute; |
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switch ($name) { |
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case 'text-case': |
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$this->textCase = $value; |
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return; |
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} |
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} |
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} |
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/** |
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* @param string $text |
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* @param string $lang |
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* @return string |
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*/ |
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public function applyTextCase($text, $lang = "en") |
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{ |
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switch ($this->textCase) { |
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case 'uppercase': |
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$text = $this->keepNoCase(mb_strtoupper($text), $text); |
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break; |
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case 'lowercase': |
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$text = $this->keepNoCase(mb_strtolower($text), $text); |
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break; |
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case 'sentence': |
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if (StringHelper::checkUpperCaseString($text)) { |
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$text = mb_strtolower($text); |
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return StringHelper::mb_ucfirst($text); |
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} else { |
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return StringHelper::mb_ucfirst($text); |
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} |
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break; |
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case 'capitalize-all': |
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$text = $this->keepNoCase(StringHelper::capitalizeAll($text), $text); |
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break; |
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case 'title': |
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if ($lang === "en") { |
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$text = $this->keepNoCase(StringHelper::capitalizeForTitle($text), $text); |
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} |
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break; |
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case 'capitalize-first': |
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$text = $this->keepNoCase(StringHelper::mb_ucfirst($text), $text); |
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break; |
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default: |
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break; |
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} |
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return $text; |
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} |
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/** |
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* @param string $render |
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* @param string $original |
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* @return string|string[]|null |
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*/ |
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private function keepNoCase($render, $original) |
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{ |
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if (preg_match('/<span class=\"nocase\">(\p{L}+)<\/span>/i', $original, $match)) { |
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return preg_replace('/(<span class=\"nocase\">\p{L}+<\/span>)/i', $match[1], $render); |
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} |
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return $render; |
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} |
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} |
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seboettg /
citeproc-php
