65 lines
2.3 KiB
PHP
65 lines
2.3 KiB
PHP
<?php
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namespace Drupal\Composer\Plugin\RecipeUnpack;
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use Composer\Semver\Constraint\MatchNoneConstraint;
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use Composer\Semver\Constraint\MultiConstraint;
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use Composer\Semver\Intervals;
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use Composer\Semver\VersionParser;
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/**
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* Helper class to manipulate semantic versioning constraints.
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*
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* @internal
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*/
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final class SemVer {
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private function __construct() {}
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/**
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* Minimizes two constraints.
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*
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* Compares two constraints and determines if one is a subset of the other. If
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* this is the case, the constraint that is a subset is returned. For example,
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* if called with '^6.2' and '^6.3' the function will return '^6.3'. If
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* neither constraint is a subset then the constraints are compacted and the
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* intersection is returned. For example, if called with ">=10.3" and
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* "^10.4 || ^11" the function will return ">=10.4.0.0-dev, <12.0.0.0-dev".
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*
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* @param \Composer\Semver\VersionParser $version_parser
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* A version parser.
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* @param string $constraint_a
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* A constraint to compact.
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* @param string $constraint_b
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* A constraint to compact.
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*
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* @return string
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* The compacted constraint.
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*
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* @throws \LogicException
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* Thrown when the provided constraints have no intersection.
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*/
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public static function minimizeConstraints(VersionParser $version_parser, string $constraint_a, string $constraint_b): string {
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$constraint_object_a = $version_parser->parseConstraints($constraint_a);
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$constraint_object_b = $version_parser->parseConstraints($constraint_b);
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if (Intervals::isSubsetOf($constraint_object_a, $constraint_object_b)) {
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return $constraint_a;
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}
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if (Intervals::isSubsetOf($constraint_object_b, $constraint_object_a)) {
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return $constraint_b;
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}
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$constraint = Intervals::compactConstraint(new MultiConstraint([$constraint_object_a, $constraint_object_b]));
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if ($constraint instanceof MatchNoneConstraint) {
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throw new \LogicException(sprintf('The constraints "%s" and "%s" do not intersect and cannot be minimized.', $constraint_a, $constraint_b));
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}
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return sprintf(
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'%s%s, %s%s',
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$constraint->getLowerBound()->isInclusive() ? '>=' : '>',
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$constraint->getLowerBound()->getVersion(),
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$constraint->getUpperBound()->isInclusive() ? '<=' : '<',
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$constraint->getUpperBound()->getVersion()
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);
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}
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}
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