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<?php |
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declare(strict_types = 1); |
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namespace drupol\phpvfs\Utils; |
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class Path implements \IteratorAggregate |
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{ |
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/** |
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* @var bool |
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*/ |
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private $absolute; |
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/** |
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* @var string[] |
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*/ |
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private $fragments; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __toString() |
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{ |
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return ($this->isAbsolute() ? '/' : '') . \implode('/', $this->getFragments()); |
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} |
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public function basename() |
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{ |
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return $this->getLastPart(); |
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} |
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public function dirname() |
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{ |
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return ($this->isAbsolute() ? '/' : '') . \implode('/', \array_slice($this->getFragments(), 0, -1)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function fromString(string $id) |
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{ |
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$instance = new self(); |
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$instance->fragments = \explode( |
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\DIRECTORY_SEPARATOR, |
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\ltrim($id, \DIRECTORY_SEPARATOR) |
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); |
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$instance->absolute = 0 === \strpos($id, '/'); |
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return $instance; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFirstPart() |
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{ |
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$first = \reset($this->fragments); |
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return empty($first) ? |
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\DIRECTORY_SEPARATOR : |
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$first; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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yield from $this->getFragments(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getLastPart() |
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{ |
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return \end($this->fragments); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isAbsolute() |
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{ |
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return $this->absolute; |
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} |
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public function isRoot() |
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{ |
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return '' === $this->basename(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isValid() |
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{ |
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if (\preg_match('/^[^*?"<>|:]*$/', \trim($this->__toString(), ' /'))) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function shift() |
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{ |
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return \array_shift($this->fragments); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getFragments() |
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{ |
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$fragments = $this->fragments; |
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if (empty($fragments[0])) { |
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$fragments[0] = \DIRECTORY_SEPARATOR; |
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} |
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return $fragments; |
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} |
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} |
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drupol /
phpvfs
