<?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:----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----ATTACHMENT:----ODQwOTc3NzgyODk5NDA5OCAyOTEzMzY4ODMxODA0ODg4IDM2NDM4MzA3Mzg5NDM2NTc=