<?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:----NjI5NjE5NzYwNzc2MDIwNyA3NjUyMDg0NzI2NDc4Nzk2IDkyMDI0MzgxMjkyMzgzNzE=