|
|
|
<?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\DependencyResolver;
|
|
|
|
|
|
|
|
use Composer\Package\BasePackage;
|
|
|
|
use Composer\Package\LinkConstraint\LinkConstraintInterface;
|
|
|
|
use Composer\Repository\RepositoryInterface;
|
|
|
|
use Composer\Repository\CompositeRepository;
|
|
|
|
use Composer\Repository\InstalledRepositoryInterface;
|
|
|
|
use Composer\Repository\PlatformRepository;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* A package pool contains repositories that provide packages.
|
|
|
|
*
|
|
|
|
* @author Nils Adermann <naderman@naderman.de>
|
|
|
|
* @author Jordi Boggiano <j.boggiano@seld.be>
|
|
|
|
*/
|
|
|
|
class Pool
|
|
|
|
{
|
|
|
|
protected $repositories = array();
|
|
|
|
protected $packages = array();
|
|
|
|
protected $packageByName = array();
|
|
|
|
protected $acceptableStabilities;
|
|
|
|
protected $stabilityFlags;
|
|
|
|
|
|
|
|
public function __construct($minimumStability = 'stable', array $stabilityFlags = array())
|
|
|
|
{
|
|
|
|
$stabilities = BasePackage::$stabilities;
|
|
|
|
$this->acceptableStabilities = array();
|
|
|
|
foreach (BasePackage::$stabilities as $stability => $value) {
|
|
|
|
if ($value <= BasePackage::$stabilities[$minimumStability]) {
|
|
|
|
$this->acceptableStabilities[$stability] = $value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
$this->stabilityFlags = $stabilityFlags;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Adds a repository and its packages to this package pool
|
|
|
|
*
|
|
|
|
* @param RepositoryInterface $repo A package repository
|
|
|
|
*/
|
|
|
|
public function addRepository(RepositoryInterface $repo)
|
|
|
|
{
|
|
|
|
if ($repo instanceof CompositeRepository) {
|
|
|
|
$repos = $repo->getRepositories();
|
|
|
|
} else {
|
|
|
|
$repos = array($repo);
|
|
|
|
}
|
|
|
|
|
|
|
|
$id = count($this->packages) + 1;
|
|
|
|
foreach ($repos as $repo) {
|
|
|
|
$this->repositories[] = $repo;
|
|
|
|
|
|
|
|
$exempt = $repo instanceof PlatformRepository || $repo instanceof InstalledRepositoryInterface;
|
|
|
|
foreach ($repo->getPackages() as $package) {
|
|
|
|
$name = $package->getName();
|
|
|
|
$stability = $package->getStability();
|
|
|
|
if (
|
|
|
|
// always allow exempt repos
|
|
|
|
$exempt
|
|
|
|
// allow if package matches the global stability requirement and has no exception
|
|
|
|
|| (!isset($this->stabilityFlags[$name])
|
|
|
|
&& isset($this->acceptableStabilities[$stability]))
|
|
|
|
// allow if package matches the package-specific stability flag
|
|
|
|
|| (isset($this->stabilityFlags[$name])
|
|
|
|
&& BasePackage::$stabilities[$stability] <= $this->stabilityFlags[$name]
|
|
|
|
)
|
|
|
|
) {
|
|
|
|
$package->setId($id++);
|
|
|
|
$this->packages[] = $package;
|
|
|
|
|
|
|
|
foreach ($package->getNames() as $name) {
|
|
|
|
$this->packageByName[$name][] = $package;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public function getPriority(RepositoryInterface $repo)
|
|
|
|
{
|
|
|
|
$priority = array_search($repo, $this->repositories, true);
|
|
|
|
|
|
|
|
if (false === $priority) {
|
|
|
|
throw new \RuntimeException("Could not determine repository priority. The repository was not registered in the pool.");
|
|
|
|
}
|
|
|
|
|
|
|
|
return -$priority;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Retrieves the package object for a given package id.
|
|
|
|
*
|
|
|
|
* @param int $id
|
|
|
|
* @return PackageInterface
|
|
|
|
*/
|
|
|
|
public function packageById($id)
|
|
|
|
{
|
|
|
|
return $this->packages[$id - 1];
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Retrieves the highest id assigned to a package in this pool
|
|
|
|
*
|
|
|
|
* @return int Highest package id
|
|
|
|
*/
|
|
|
|
public function getMaxId()
|
|
|
|
{
|
|
|
|
return count($this->packages);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Searches all packages providing the given package name and match the constraint
|
|
|
|
*
|
|
|
|
* @param string $name The package name to be searched for
|
|
|
|
* @param LinkConstraintInterface $constraint A constraint that all returned
|
|
|
|
* packages must match or null to return all
|
|
|
|
* @return array A set of packages
|
|
|
|
*/
|
|
|
|
public function whatProvides($name, LinkConstraintInterface $constraint = null)
|
|
|
|
{
|
|
|
|
if (!isset($this->packageByName[$name])) {
|
|
|
|
return array();
|
|
|
|
}
|
|
|
|
|
|
|
|
$candidates = $this->packageByName[$name];
|
|
|
|
|
|
|
|
if (null === $constraint) {
|
|
|
|
return $candidates;
|
|
|
|
}
|
|
|
|
|
|
|
|
$matches = $provideMatches = array();
|
|
|
|
$nameMatch = false;
|
|
|
|
|
|
|
|
foreach ($candidates as $candidate) {
|
|
|
|
switch ($candidate->matches($name, $constraint)) {
|
|
|
|
case BasePackage::MATCH_NONE:
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BasePackage::MATCH_NAME:
|
|
|
|
$nameMatch = true;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BasePackage::MATCH:
|
|
|
|
$nameMatch = true;
|
|
|
|
$matches[] = $candidate;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BasePackage::MATCH_PROVIDE:
|
|
|
|
$provideMatches[] = $candidate;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BasePackage::MATCH_REPLACE:
|
|
|
|
$matches[] = $candidate;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
throw new \UnexpectedValueException('Unexpected match type');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// if a package with the required name exists, we ignore providers
|
|
|
|
if ($nameMatch) {
|
|
|
|
return $matches;
|
|
|
|
}
|
|
|
|
|
|
|
|
return array_merge($matches, $provideMatches);
|
|
|
|
}
|
|
|
|
|
|
|
|
public function literalToPackage($literal)
|
|
|
|
{
|
|
|
|
$packageId = abs($literal);
|
|
|
|
|
|
|
|
return $this->packageById($packageId);
|
|
|
|
}
|
|
|
|
|
|
|
|
public function literalToString($literal)
|
|
|
|
{
|
|
|
|
return ($literal > 0 ? '+' : '-') . $this->literalToPackage($literal);
|
|
|
|
}
|
|
|
|
|
|
|
|
public function literalToPrettyString($literal, $installedMap)
|
|
|
|
{
|
|
|
|
$package = $this->literalToPackage($literal);
|
|
|
|
|
|
|
|
if (isset($installedMap[$package->getId()])) {
|
|
|
|
$prefix = ($literal > 0 ? 'keep' : 'remove');
|
|
|
|
} else {
|
|
|
|
$prefix = ($literal > 0 ? 'install' : 'don\'t install');
|
|
|
|
}
|
|
|
|
|
|
|
|
return $prefix.' '.$package->getPrettyString();
|
|
|
|
}
|
|
|
|
}
|