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120 lines
2.7 KiB
PHP
120 lines
2.7 KiB
PHP
<?php declare(strict_types=1);
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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\DependencyResolver;
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/**
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* @author Nils Adermann <naderman@naderman.de>
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* @phpstan-import-type ReasonData from Rule
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*/
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class Rule2Literals extends Rule
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{
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/** @var int */
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protected $literal1;
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/** @var int */
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protected $literal2;
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/**
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* @param int $literal1
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* @param int $literal2
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* @param Rule::RULE_* $reason A RULE_* constant
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* @param mixed $reasonData
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*
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* @phpstan-param ReasonData $reasonData
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*/
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public function __construct(int $literal1, int $literal2, $reason, $reasonData)
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{
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parent::__construct($reason, $reasonData);
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if ($literal1 < $literal2) {
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$this->literal1 = $literal1;
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$this->literal2 = $literal2;
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} else {
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$this->literal1 = $literal2;
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$this->literal2 = $literal1;
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}
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}
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/** @return int[] */
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public function getLiterals(): array
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{
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return array($this->literal1, $this->literal2);
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}
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/**
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* @inheritDoc
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*/
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public function getHash()
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{
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return $this->literal1.','.$this->literal2;
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}
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/**
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* Checks if this rule is equal to another one
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*
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* Ignores whether either of the rules is disabled.
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*
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* @param Rule $rule The rule to check against
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* @return bool Whether the rules are equal
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*/
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public function equals(Rule $rule): bool
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{
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// specialized fast-case
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if ($rule instanceof self) {
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if ($this->literal1 !== $rule->literal1) {
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return false;
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}
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if ($this->literal2 !== $rule->literal2) {
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return false;
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}
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return true;
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}
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$literals = $rule->getLiterals();
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if (2 != \count($literals)) {
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return false;
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}
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if ($this->literal1 !== $literals[0]) {
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return false;
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}
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if ($this->literal2 !== $literals[1]) {
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return false;
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}
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return true;
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}
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/** @return false */
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public function isAssertion(): bool
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{
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return false;
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}
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/**
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* Formats a rule as a string of the format (Literal1|Literal2|...)
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*
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* @return string
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*/
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public function __toString(): string
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{
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$result = $this->isDisabled() ? 'disabled(' : '(';
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$result .= $this->literal1 . '|' . $this->literal2 . ')';
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return $result;
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}
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}
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