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- <?php
- /*
- * This file is part of PharIo\Version.
- *
- * (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
- *
- * 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 $value
- *
- * @return VersionConstraint
- *
- * @throws UnsupportedVersionConstraintException
- */
- public function parse($value) {
- if (strpos($value, '||') !== false) {
- return $this->handleOrGroup($value);
- }
- if (!preg_match('/^[\^~\*]?[\d.\*]+$/', $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(
- $value,
- $version->getMajor()->getValue()
- );
- }
- if ($version->getPatch()->isAny()) {
- return new SpecificMajorAndMinorVersionConstraint(
- $value,
- $version->getMajor()->getValue(),
- $version->getMinor()->getValue()
- );
- }
- return new ExactVersionConstraint($value);
- }
- /**
- * @param $value
- *
- * @return OrVersionConstraintGroup
- */
- private function handleOrGroup($value) {
- $constraints = [];
- foreach (explode('||', $value) as $groupSegment) {
- $constraints[] = $this->parse(trim($groupSegment));
- }
- return new OrVersionConstraintGroup($value, $constraints);
- }
- /**
- * @param string $value
- *
- * @return AndVersionConstraintGroup
- */
- private function handleTildeOperator($value) {
- $version = new Version(substr($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 $value
- *
- * @return AndVersionConstraintGroup
- */
- private function handleCaretOperator($value) {
- $version = new Version(substr($value, 1));
- return new AndVersionConstraintGroup(
- $value,
- [
- new GreaterThanOrEqualToVersionConstraint($value, $version),
- new SpecificMajorVersionConstraint($value, $version->getMajor()->getValue())
- ]
- );
- }
- }
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