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<?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;
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use Composer\Package\LinkConstraint\LinkConstraintInterface;
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use Composer\Package\LinkConstraint\VersionConstraint;
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use Composer\Repository\RepositoryInterface;
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use Composer\Repository\PlatformRepository;
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/**
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* Base class for packages providing name storage and default match implementation
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*
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* @author Nils Adermann <naderman@naderman.de>
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*/
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abstract class BasePackage implements PackageInterface
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{
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public static $supportedLinkTypes = array(
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'require' => array('description' => 'requires', 'method' => 'requires'),
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'conflict' => array('description' => 'conflicts', 'method' => 'conflicts'),
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'provide' => array('description' => 'provides', 'method' => 'provides'),
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'replace' => array('description' => 'replaces', 'method' => 'replaces'),
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'require-dev' => array('description' => 'requires (for development)', 'method' => 'devRequires'),
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);
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protected $name;
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protected $prettyName;
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protected $repository;
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protected $id;
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/**
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* All descendants' constructors should call this parent constructor
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*
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* @param string $name The package's name
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*/
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public function __construct($name)
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{
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$this->prettyName = $name;
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$this->name = strtolower($name);
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$this->id = -1;
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}
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/**
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* {@inheritDoc}
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*/
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public function getName()
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{
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return $this->name;
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}
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/**
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* {@inheritDoc}
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*/
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public function getPrettyName()
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{
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return $this->prettyName;
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}
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/**
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* {@inheritDoc}
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*/
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public function getNames()
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{
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$names = array(
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$this->getName() => true,
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);
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foreach ($this->getProvides() as $link) {
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$names[$link->getTarget()] = true;
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}
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foreach ($this->getReplaces() as $link) {
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$names[$link->getTarget()] = true;
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}
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return array_keys($names);
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}
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/**
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* {@inheritDoc}
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*/
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public function setId($id)
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{
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$this->id = $id;
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}
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/**
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* {@inheritDoc}
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*/
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public function getId()
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{
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return $this->id;
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}
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/**
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* Checks if the package matches the given constraint directly or through
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* provided or replaced packages
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*
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* @param string $name Name of the package to be matched
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* @param LinkConstraintInterface $constraint The constraint to verify
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* @return bool Whether this package matches the name and constraint
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*/
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public function matches($name, LinkConstraintInterface $constraint)
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{
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if ($this->name === $name) {
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return $constraint->matches(new VersionConstraint('==', $this->getVersion()));
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}
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foreach ($this->getProvides() as $link) {
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if ($link->getTarget() === $name && $constraint->matches($link->getConstraint())) {
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return true;
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}
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}
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foreach ($this->getReplaces() as $link) {
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if ($link->getTarget() === $name && $constraint->matches($link->getConstraint())) {
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return true;
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}
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}
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return false;
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}
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public function getRepository()
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{
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return $this->repository;
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}
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public function setRepository(RepositoryInterface $repository)
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{
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if ($this->repository) {
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throw new \LogicException('A package can only be added to one repository');
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}
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$this->repository = $repository;
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}
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/**
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* checks if this package is a platform package
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*
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* @return boolean
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*/
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public function isPlatform()
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{
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return $this->getRepository() instanceof PlatformRepository;
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}
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/**
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* Returns package unique name, constructed from name, version and release type.
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*
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* @return string
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*/
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public function getUniqueName()
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{
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return $this->getName().'-'.$this->getVersion();
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}
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public function equals(PackageInterface $package)
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{
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$self = $this;
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if ($this instanceof AliasPackage) {
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$self = $this->getAliasOf();
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}
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if ($package instanceof AliasPackage) {
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$package = $package->getAliasOf();
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}
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return $package === $self;
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}
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/**
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* Converts the package into a readable and unique string
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->getUniqueName();
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}
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public function __clone()
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{
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$this->repository = null;
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}
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}
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