<?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:----MzkyMTYxNTExMzYzMjAwMCAxMjIyOTUzNTQwNTUxMDUxIDIwNzI2MDY2NTQxNzIwNA==