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<?php |
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/** |
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* @copyright (c) 2014-2017 brian ridley |
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* @author brian ridley <[email protected]> |
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* @license http://opensource.org/licenses/MIT MIT |
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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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namespace ptlis\SemanticVersion\Parse\RangeParser; |
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use ptlis\SemanticVersion\Comparator\ComparatorFactory; |
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use ptlis\SemanticVersion\Parse\Token; |
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use ptlis\SemanticVersion\Parse\VersionParser; |
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use ptlis\SemanticVersion\VersionRange\ComparatorVersion; |
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use ptlis\SemanticVersion\VersionRange\VersionRangeInterface; |
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/** |
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* Comparator versions store a comparator & version specifying part of a version range. |
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*/ |
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final class ComparatorVersionParser implements RangeParserInterface |
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{ |
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/** @var ComparatorFactory */ |
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private $comparatorFactory; |
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/** @var VersionParser */ |
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private $versionParser; |
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/** |
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* Constructor. |
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* |
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* @param ComparatorFactory $comparatorFactory |
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* @param VersionParser $versionParser |
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*/ |
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public function __construct( |
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ComparatorFactory $comparatorFactory, |
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VersionParser $versionParser |
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) { |
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$this->comparatorFactory = $comparatorFactory; |
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$this->versionParser = $versionParser; |
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} |
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/** |
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* Returns true if the tokens can be parsed as a ComparatorVersion. |
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* |
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* @param Token[] $tokenList |
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* |
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* @return boolean |
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*/ |
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public function canParse(array $tokenList) |
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{ |
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return ( |
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$this->versionParser->canParse($tokenList) |
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|| ( |
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$this->comparatorFactory->isComparator($tokenList[0]->getValue()) |
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&& $this->versionParser->canParse(array_slice($tokenList, 1)) |
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) |
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); |
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} |
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/** |
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* Build a ComparatorVersion representing the comparator & version. |
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* |
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* @param Token[] $tokenList |
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* |
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* @return VersionRangeInterface |
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*/ |
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public function parse(array $tokenList) |
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{ |
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if (!$this->canParse($tokenList)) { |
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throw new \RuntimeException('Invalid comparator (>1.3.0) version range'); |
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} |
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// Default to equality comparator |
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$comparator = $this->comparatorFactory->get('='); |
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// Prefixed comparator, create comparator instance and remove from token list |
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if ($this->comparatorFactory->isComparator($tokenList[0]->getValue())) { |
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$comparator = $this->comparatorFactory->get($tokenList[0]->getValue()); |
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$tokenList = array_slice($tokenList, 1); |
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} |
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return new ComparatorVersion( |
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$comparator, |
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$this->versionParser->parse($tokenList) |
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); |
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} |
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} |
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ptlis /
semantic-version
