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<?php |
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namespace TheIconic\NameParser\Mapper; |
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use TheIconic\NameParser\Part\AbstractPart; |
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use TheIconic\NameParser\Part\Lastname; |
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use TheIconic\NameParser\Part\Suffix; |
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class LastnameMapper extends AbstractMapper |
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{ |
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/** |
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* @var array options |
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*/ |
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protected $options = [ |
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'match_single' => false, |
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]; |
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/** |
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* map lastnames in the parts array |
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* |
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* @param array $parts the name parts |
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* @return array the mapped parts |
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*/ |
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public function map(array $parts) |
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{ |
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if (!$this->options['match_single'] && count($parts) < 2) { |
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return $parts; |
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} |
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if (count($parts) === 2 && $parts[0] instanceof AbstractPart) { |
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$parts[1] = new Lastname($parts[1]); |
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} |
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$parts = array_reverse($parts); |
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$parts = $this->mapReversedParts($parts); |
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return array_reverse($parts); |
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} |
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/** |
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* @param array $parts |
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* @return array |
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*/ |
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protected function mapReversedParts(array $parts): array |
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{ |
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foreach ($parts as $k => $part) { |
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if ($part instanceof Suffix) { |
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continue; |
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} |
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if ($part instanceof AbstractPart) { |
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break; |
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} |
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$originalIndex = count($parts) - $k - 1; |
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$originalParts = array_reverse($parts); |
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if ($this->isFollowedByLastnamePart($originalParts, $originalIndex)) { |
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if ($this->isApplicablePrefix($originalParts, $originalIndex)) { |
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$parts[$k] = new Lastname($part); |
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continue; |
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} |
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break; |
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} |
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$parts[$k] = new Lastname($part); |
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} |
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return $parts; |
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} |
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/** |
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* @param array $parts |
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* @param int $index |
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* @return bool |
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*/ |
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protected function isFollowedByLastnamePart(array $parts, int $index): bool |
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{ |
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$next = $index + 1; |
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return (isset($parts[$next]) && $parts[$next] instanceof Lastname); |
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} |
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/** |
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* Assuming that the part at the given index is matched as a prefix, |
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* determines if the prefix should be applied to the lastname. |
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* |
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* We only apply it to the lastname if we already have at least one |
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* lastname part and there are other parts left in |
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* the name (this effectively prioritises firstname over prefix matching). |
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* |
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* This expects the parts array and index to be in the original order. |
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* |
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* @param array $parts |
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* @param int $index |
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* @return bool |
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*/ |
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protected function isApplicablePrefix(array $parts, int $index): bool |
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{ |
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if (!Lastname::isPrefix($parts[$index])) { |
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return false; |
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} |
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return $this->hasUnmappedPartsBefore($parts, $index); |
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} |
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} |
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theiconic /
name-parser
