Viewing file:  VersionParser.php (2.88 KB) -rw-r--r--
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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Package\Version;
use Composer\Repository\PlatformRepository;
use Composer\Semver\VersionParser as SemverVersionParser;
use Composer\Semver\Semver;
class VersionParser extends SemverVersionParser
{
const DEFAULT_BRANCH_ALIAS = '9999999-dev';
private static $constraints = array();
/**
* {@inheritDoc}
*/
public function parseConstraints($constraints)
{
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 array $pairs a set of package/version pairs separated by ":", "=" or " "
*
* @return array[] array of arrays containing a name and (if provided) a version
*/
public function parseNameVersionPairs(array $pairs)
{
$pairs = array_values($pairs);
$result = array();
for ($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], '/') && !PlatformRepository::isPlatformPackage($pairs[$i + 1])) {
$pair .= ' '.$pairs[$i + 1];
$i++;
}
if (strpos($pair, ' ')) {
list($name, $version) = explode(' ', $pair, 2);
$result[] = array('name' => $name, 'version' => $version);
} else {
$result[] = array('name' => $pair);
}
}
return $result;
}
/**
* @return bool
*/
public static function isUpgrade($normalizedFrom, $normalizedTo)
{
if ($normalizedFrom === $normalizedTo) {
return true;
}
if (in_array($normalizedFrom, array('dev-master', 'dev-trunk', 'dev-default'), true)) {
$normalizedFrom = VersionParser::DEFAULT_BRANCH_ALIAS;
}
if (in_array($normalizedTo, array('dev-master', 'dev-trunk', 'dev-default'), true)) {
$normalizedTo = VersionParser::DEFAULT_BRANCH_ALIAS;
}
if (strpos($normalizedFrom, 'dev-') === 0 || strpos($normalizedTo, 'dev-') === 0) {
return true;
}
$sorted = Semver::sort(array($normalizedTo, $normalizedFrom));
return $sorted[0] === $normalizedFrom;
}
}
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