95 lines
2.9 KiB
PHP
95 lines
2.9 KiB
PHP
<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\Package\Version;
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use Composer\Repository\PlatformRepository;
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use Composer\Semver\VersionParser as SemverVersionParser;
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use Composer\Semver\Semver;
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class VersionParser extends SemverVersionParser
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{
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const DEFAULT_BRANCH_ALIAS = '9999999-dev';
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private static $constraints = array();
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/**
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* {@inheritDoc}
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*/
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public function parseConstraints($constraints)
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{
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if (!isset(self::$constraints[$constraints])) {
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self::$constraints[$constraints] = parent::parseConstraints($constraints);
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}
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return self::$constraints[$constraints];
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}
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/**
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* Parses an array of strings representing package/version pairs.
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*
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* The parsing results in an array of arrays, each of which
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* contain a 'name' key with value and optionally a 'version' key with value.
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*
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* @param array $pairs a set of package/version pairs separated by ":", "=" or " "
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*
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* @return array[] array of arrays containing a name and (if provided) a version
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*/
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public function parseNameVersionPairs(array $pairs)
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{
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$pairs = array_values($pairs);
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$result = array();
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for ($i = 0, $count = count($pairs); $i < $count; $i++) {
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$pair = preg_replace('{^([^=: ]+)[=: ](.*)$}', '$1 $2', trim($pairs[$i]));
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if (false === strpos($pair, ' ') && isset($pairs[$i + 1]) && false === strpos($pairs[$i + 1], '/') && !PlatformRepository::isPlatformPackage($pairs[$i + 1])) {
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$pair .= ' '.$pairs[$i + 1];
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$i++;
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}
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if (strpos($pair, ' ')) {
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list($name, $version) = explode(' ', $pair, 2);
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$result[] = array('name' => $name, 'version' => $version);
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} else {
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$result[] = array('name' => $pair);
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}
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}
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return $result;
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}
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/**
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* @return bool
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*/
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public static function isUpgrade($normalizedFrom, $normalizedTo)
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{
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if ($normalizedFrom === $normalizedTo) {
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return true;
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}
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if (in_array($normalizedFrom, array('dev-master', 'dev-trunk', 'dev-default'), true)) {
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$normalizedFrom = VersionParser::DEFAULT_BRANCH_ALIAS;
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}
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if (in_array($normalizedTo, array('dev-master', 'dev-trunk', 'dev-default'), true)) {
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$normalizedTo = VersionParser::DEFAULT_BRANCH_ALIAS;
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}
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if (strpos($normalizedFrom, 'dev-') === 0 || strpos($normalizedTo, 'dev-') === 0) {
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return true;
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}
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$sorted = Semver::sort(array($normalizedTo, $normalizedFrom));
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return $sorted[0] === $normalizedFrom;
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}
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}
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