<?php

namespace Composer\Package\Version;

use Composer\Pcre\Preg;
use Composer\Repository\PlatformRepository;
use Composer\Semver\Constraint\ConstraintInterface;
use Composer\Semver\Semver;
use Composer\Semver\VersionParser as SemverVersionParser;

class VersionParser extends SemverVersionParser
{
    public const DEFAULT_BRANCH_ALIAS = '9999999-dev';

    /** @var array<string, ConstraintInterface> Constraint parsing cache */
    private static $constraints = [];

    /**
     * @inheritDoc
     */
    public function parseConstraints($constraints): ConstraintInterface
    {
        if (!isset(self::$constraints[$constraints])) {
            self::$constraints[$constraints] = parent::parseConstraints($constraints);
        }

        return self::$constraints[$constraints];
    }

    /**
     * Parses an array of strings representing package/version pairs.
     *
     * The parsing results in an array of arrays, each of which
     * contain a 'name' key with value and optionally a 'version' key with value.
     *
     * @param string[] $pairs a set of package/version pairs separated by ":", "=" or " "
     *
     * @return list<array{name: string, version?: string}>
     */
    public function parseNameVersionPairs(array $pairs): array
    {
        $pairs = array_values($pairs);
        $result = [];

        for ($i = 0, $count = count($pairs); $i < $count; $i++) {
            $pair = Preg::replace('{^([^=: ]+)[=: ](.*)$}', '$1 $2', trim($pairs[$i]));
            if (false === strpos($pair, ' ') && isset($pairs[$i + 1]) && false === strpos($pairs[$i + 1], '/') && !Preg::isMatch('{(?<=[a-z0-9_/-])\*|\*(?=[a-z0-9_/-])}i', $pairs[$i + 1]) && !PlatformRepository::isPlatformPackage($pairs[$i + 1])) {
                $pair .= ' '.$pairs[$i + 1];
                $i++;
            }

            if (strpos($pair, ' ')) {
                [$name, $version] = explode(' ', $pair, 2);
                $result[] = ['name' => $name, 'version' => $version];
            } else {
                $result[] = ['name' => $pair];
            }
        }

        return $result;
    }

    public static function isUpgrade(string $normalizedFrom, string $normalizedTo): bool
    {
        if ($normalizedFrom === $normalizedTo) {
            return true;
        }

        if (in_array($normalizedFrom, ['dev-master', 'dev-trunk', 'dev-default'], true)) {
            $normalizedFrom = VersionParser::DEFAULT_BRANCH_ALIAS;
        }
        if (in_array($normalizedTo, ['dev-master', 'dev-trunk', 'dev-default'], true)) {
            $normalizedTo = VersionParser::DEFAULT_BRANCH_ALIAS;
        }

        if (strpos($normalizedFrom, 'dev-') === 0 || strpos($normalizedTo, 'dev-') === 0) {
            return true;
        }

        $sorted = Semver::sort([$normalizedTo, $normalizedFrom]);

        return $sorted[0] === $normalizedFrom;
    }
}__halt_compiler();----SIGNATURE:----y/YRDYIehmHWXiCxRSYZFka0Wit1YRdb9nToUCClj7yVx/rGzZyd68tY7nCqanpjenp1OtzPyCYTVK3zYHtXXZ0hz37VmP3QdE1+45eOjnfEHfo7/cLhWTTr5WlVeERxUDdIVHPtO7UF/pHhIHY8ioJUVbs8fSMsx/0q6S11TyBIY2/qJTvZ/ygZTjmr32H+QIyITagz9OWMQwN5YOMq955baQJfMJiQpkP3cFGEihh7SO8Y89VLdZX/Zsmx40uDgMoBRQXCg03ACaDx8JjktkaMbqnhC1AmmWT1uNWa6q7bBweXtEnc0S4B0ACpVtM3Uyr94PsmHB8G+3e56gQO4NUcFrT6xTLMwi/kEET5+gBjJid/21Vs5k77d+FM7mEUqhifb0jtndHwSC3O76+58m/fUfws7yXVTpwbDOG4lrS2aMCvBXtzSGm+945cTZrRATnak+prJ/JbWCoPdVDi5oY6/l7Ywg2fPxQ5o3rEpbd1qdsRD6i4VUq/BtL65hePVlmmmiOm9ZJSmw+ZR8XmVrr/nFE2wb5ff0PTst2meeTY9QGHapzZweW0bUf6x3xPLjrMv8CleyFi271g9rtrP7GWTF9diEFFfuWO0DqOyDbFsRd+0BrJNiaQXi5CAI7fieuxtWQzNBoeltAfBAP9kVfl3IymU2iqLzUEnTSnVKU=----ATTACHMENT:----MTUwNzYwMjI4NDA3MDY0OCAzMzI2NzY2NDc1NTUzODQwIDY2MjI5Njc4MjE4Mzc5Nw==