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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) 2017 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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/** |
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* Trait ConsecutivePunctuationCharacterTrait |
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* @package Seboettg\CiteProc\Styles |
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* @author Sebastian Böttger <[email protected]> |
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*/ |
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trait ConsecutivePunctuationCharacterTrait |
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{ |
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/** |
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* @var array |
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*/ |
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private $childrenPrefixes = []; |
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/** |
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* @var array |
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*/ |
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private $childrenSuffixes = []; |
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/** |
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* @var array |
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*/ |
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private $childrenDelimiter = []; |
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/** |
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* @param $punctuationSign |
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* @param $subject |
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* @return string |
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*/ |
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public function removeConsecutivePunctuation($punctuationSign, $subject) |
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{ |
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if (empty($punctuationSign) || preg_match("/^\s+$/", $punctuationSign)) { |
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return $subject; |
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} |
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$pattern = '/' . preg_quote(trim($punctuationSign), '/') . '{2,}/'; |
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if (preg_match($pattern, $subject)) { |
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return preg_replace($pattern, $punctuationSign, $subject); |
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} |
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return $subject; |
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} |
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/** |
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* @param $child |
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*/ |
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protected function getChildrenAffixesAndDelimiter($child) |
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{ |
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if (method_exists($child, "renderPrefix")) { |
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if (!empty($child->renderPrefix()) && !in_array($child->renderPrefix(), $this->childrenPrefixes)) { |
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$this->childrenPrefixes[] = $child->renderPrefix(); |
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} |
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} |
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if (method_exists($child, "renderSuffix")) { |
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if (!empty($child->renderSuffix()) && !in_array($child->renderSuffix(), $this->childrenSuffixes)) { |
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$this->childrenSuffixes[] = $child->renderSuffix(); |
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} |
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} |
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if (method_exists($child, "getDelimiter")) { |
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if (!empty($child->getDelimiter()) && !in_array($child->getDelimiter(), $this->childrenDelimiter)) { |
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$this->childrenDelimiter[] = $child->getDelimiter(); |
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} |
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} |
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} |
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/** |
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* @param string $string |
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* @return string |
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*/ |
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protected function removeConsecutiveChars($string) |
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{ |
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foreach ($this->childrenPrefixes as $prefix) { |
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$string = $this->removeConsecutivePunctuation($prefix, $string); |
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} |
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foreach ($this->childrenSuffixes as $suffix) { |
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$string = $this->removeConsecutivePunctuation($suffix, $string); |
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} |
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foreach ($this->childrenDelimiter as $delimiter) { |
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$string = $this->removeConsecutivePunctuation($delimiter, $string); |
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} |
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$string = preg_replace("/\s{2,}/", " ", $string); |
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return $string; |
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} |
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} |
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seboettg /
citeproc-php
