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164 lines
4.0 KiB
PHP
164 lines
4.0 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;
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use Composer\Semver\Constraint\ConstraintInterface;
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/**
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* Represents a link between two packages, represented by their names
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*
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* @author Nils Adermann <naderman@naderman.de>
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*/
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class Link
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{
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public const TYPE_REQUIRE = 'requires';
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public const TYPE_DEV_REQUIRE = 'devRequires';
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public const TYPE_PROVIDE = 'provides';
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public const TYPE_CONFLICT = 'conflicts';
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public const TYPE_REPLACE = 'replaces';
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/**
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* Special type
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* @internal
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*/
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public const TYPE_DOES_NOT_REQUIRE = 'does not require';
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private const TYPE_UNKNOWN = 'relates to';
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/**
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* Will be converted into a constant once the min PHP version allows this
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*
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* @internal
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* @var string[]
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* @phpstan-var array<self::TYPE_REQUIRE|self::TYPE_DEV_REQUIRE|self::TYPE_PROVIDE|self::TYPE_CONFLICT|self::TYPE_REPLACE>
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*/
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public static $TYPES = array(
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self::TYPE_REQUIRE,
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self::TYPE_DEV_REQUIRE,
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self::TYPE_PROVIDE,
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self::TYPE_CONFLICT,
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self::TYPE_REPLACE,
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);
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/**
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* @var string
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*/
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protected $source;
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/**
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* @var string
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*/
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protected $target;
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/**
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* @var ConstraintInterface
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*/
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protected $constraint;
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/**
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* @var string
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* @phpstan-var string $description
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*/
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protected $description;
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/**
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* @var ?string
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*/
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protected $prettyConstraint;
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/**
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* Creates a new package link.
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*
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* @param string $source
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* @param string $target
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* @param ConstraintInterface $constraint Constraint applying to the target of this link
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* @param self::TYPE_* $description Used to create a descriptive string representation
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* @param string|null $prettyConstraint
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*/
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public function __construct(
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string $source,
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string $target,
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ConstraintInterface $constraint,
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$description = self::TYPE_UNKNOWN,
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?string $prettyConstraint = null
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) {
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$this->source = strtolower($source);
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$this->target = strtolower($target);
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$this->constraint = $constraint;
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$this->description = self::TYPE_DEV_REQUIRE === $description ? 'requires (for development)' : $description;
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$this->prettyConstraint = $prettyConstraint;
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}
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/**
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* @return string
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*/
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public function getDescription(): string
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{
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return $this->description;
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}
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/**
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* @return string
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*/
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public function getSource(): string
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{
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return $this->source;
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}
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/**
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* @return string
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*/
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public function getTarget(): string
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{
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return $this->target;
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}
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/**
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* @return ConstraintInterface
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*/
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public function getConstraint(): ConstraintInterface
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{
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return $this->constraint;
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}
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/**
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* @throws \UnexpectedValueException If no pretty constraint was provided
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* @return string
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*/
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public function getPrettyConstraint(): string
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{
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if (null === $this->prettyConstraint) {
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throw new \UnexpectedValueException(sprintf('Link %s has been misconfigured and had no prettyConstraint given.', $this));
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}
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return $this->prettyConstraint;
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}
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/**
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* @return string
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*/
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public function __toString(): string
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{
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return $this->source.' '.$this->description.' '.$this->target.' ('.$this->constraint.')';
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}
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/**
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* @param PackageInterface $sourcePackage
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* @return string
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*/
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public function getPrettyString(PackageInterface $sourcePackage): string
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{
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return $sourcePackage->getPrettyString().' '.$this->description.' '.$this->target.' '.$this->constraint->getPrettyString();
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}
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}
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