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89 lines
2.0 KiB
89 lines
2.0 KiB
<?php
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declare(strict_types=1);
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/**
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* phpDocumentor
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @link http://phpdoc.org
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*/
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namespace phpDocumentor\Reflection;
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use InvalidArgumentException;
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use function assert;
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use function end;
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use function explode;
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use function is_string;
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use function preg_match;
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use function sprintf;
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use function trim;
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/**
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* Value Object for Fqsen.
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*
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* @link https://github.com/phpDocumentor/fig-standards/blob/master/proposed/phpdoc-meta.md
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*
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* @psalm-immutable
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*/
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final class Fqsen
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{
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/** @var string full quallified class name */
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private $fqsen;
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/** @var string name of the element without path. */
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private $name;
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/**
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* Initializes the object.
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*
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* @throws InvalidArgumentException when $fqsen is not matching the format.
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*/
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public function __construct(string $fqsen)
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{
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$matches = [];
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$result = preg_match(
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//phpcs:ignore Generic.Files.LineLength.TooLong
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'/^\\\\([a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff\\\\]*)?(?:[:]{2}\\$?([a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*))?(?:\\(\\))?$/',
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$fqsen,
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$matches
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);
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if ($result === 0) {
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throw new InvalidArgumentException(
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sprintf('"%s" is not a valid Fqsen.', $fqsen)
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);
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}
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$this->fqsen = $fqsen;
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if (isset($matches[2])) {
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$this->name = $matches[2];
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} else {
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$matches = explode('\\', $fqsen);
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$name = end($matches);
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assert(is_string($name));
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$this->name = trim($name, '()');
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}
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}
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/**
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* converts this class to string.
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*/
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public function __toString() : string
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{
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return $this->fqsen;
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}
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/**
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* Returns the name of the element without path.
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*/
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public function getName() : string
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{
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return $this->name;
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}
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}
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