, Sebastian Heuer , Sebastian Bergmann * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace PharIo\Version; class VersionConstraintParser { /** * @param string $value * * @throws UnsupportedVersionConstraintException */ public function parse($value): VersionConstraint { if (\strpos($value, '||') !== false) { return $this->handleOrGroup($value); } if (!\preg_match('/^[\^~*]?v?[\d.*]+(?:-.*)?$/i', $value)) { throw new UnsupportedVersionConstraintException( \sprintf('Version constraint %s is not supported.', $value) ); } switch ($value[0]) { case '~': return $this->handleTildeOperator($value); case '^': return $this->handleCaretOperator($value); } $version = new VersionConstraintValue($value); if ($version->getMajor()->isAny()) { return new AnyVersionConstraint(); } if ($version->getMinor()->isAny()) { return new SpecificMajorVersionConstraint( $version->getVersionString(), $version->getMajor()->getValue() ); } if ($version->getPatch()->isAny()) { return new SpecificMajorAndMinorVersionConstraint( $version->getVersionString(), $version->getMajor()->getValue(), $version->getMinor()->getValue() ); } return new ExactVersionConstraint($version->getVersionString()); } /** * @param $value */ private function handleOrGroup($value): OrVersionConstraintGroup { $constraints = []; foreach (\explode('||', $value) as $groupSegment) { $constraints[] = $this->parse(\trim($groupSegment)); } return new OrVersionConstraintGroup($value, $constraints); } /** * @param string $value */ private function handleTildeOperator($value): AndVersionConstraintGroup { $version = new Version(\substr($value, 1)); $constraints = [ new GreaterThanOrEqualToVersionConstraint($value, $version) ]; if ($version->getPatch()->isAny()) { $constraints[] = new SpecificMajorVersionConstraint( $value, $version->getMajor()->getValue() ); } else { $constraints[] = new SpecificMajorAndMinorVersionConstraint( $value, $version->getMajor()->getValue(), $version->getMinor()->getValue() ); } return new AndVersionConstraintGroup($value, $constraints); } /** * @param string $value */ private function handleCaretOperator($value): AndVersionConstraintGroup { $version = new Version(\substr($value, 1)); return new AndVersionConstraintGroup( $value, [ new GreaterThanOrEqualToVersionConstraint($value, $version), new SpecificMajorVersionConstraint($value, $version->getMajor()->getValue()) ] ); } }