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PATH: home / lab2454c / crypto.keyreum.com / vendor / composer / composer / src / Composer / DependencyResolver

<?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\Link;

/**
 * @author Nils Adermann <naderman@naderman.de>
 *
 * MultiConflictRule([A, B, C]) acts as Rule([-A, -B]), Rule([-A, -C]), Rule([-B, -C])
 */
class MultiConflictRule extends Rule
{
    /** @var int[] */
    protected $literals;

/**
     * @param int[]            $literals
     */
    public function __construct(array $literals, $reason, $reasonData)
    {
        parent::__construct($reason, $reasonData);

if (\count($literals) < 3) {
            throw new \RuntimeException("multi conflict rule requires at least 3 literals");
        }

// sort all packages ascending by id
        sort($literals);

$this->literals = $literals;
    }

public function getLiterals()
    {
        return $this->literals;
    }

public function getHash()
    {
        $data = unpack('ihash', md5('c:'.implode(',', $this->literals), true));

return $data['hash'];
    }

/**
     * Checks if this rule is equal to another one
     *
     * Ignores whether either of the rules is disabled.
     *
     * @param  Rule $rule The rule to check against
     * @return bool Whether the rules are equal
     */
    public function equals(Rule $rule)
    {
        if ($rule instanceof MultiConflictRule) {
            return $this->literals === $rule->getLiterals();
        }

return false;
    }

public function isAssertion()
    {
        return false;
    }

public function disable()
    {
        throw new \RuntimeException("Disabling multi conflict rules is not possible. Please contact composer at https://github.com/composer/composer to let us debug what lead to this situation.");
    }

/**
     * Formats a rule as a string of the format (Literal1|Literal2|...)
     *
     * @return string
     */
    public function __toString()
    {
        // TODO multi conflict?
        $result = $this->isDisabled() ? 'disabled(multi(' : '(multi(';

foreach ($this->literals as $i => $literal) {
            if ($i != 0) {
                $result .= '|';
            }
            $result .= $literal;
        }

$result .= '))';

return $result;
    }
}

[+] Operation
[-] SolverBugException.php [edit]
[-] RuleSetGenerator.php [edit]
[-] Rule2Literals.php [edit]
[-] Problem.php [edit]
[+] ..
[-] RuleWatchNode.php [edit]
[-] RuleSetIterator.php [edit]
[-] MultiConflictRule.php [edit]
[-] Request.php [edit]
[-] Rule.php [edit]
[-] Solver.php [edit]
[-] LockTransaction.php [edit]
[-] SolverProblemsException.php [edit]
[-] RuleWatchChain.php [edit]
[-] RuleWatchGraph.php [edit]
[-] Transaction.php [edit]
[-] Decisions.php [edit]
[-] PoolBuilder.php [edit]
[-] RuleSet.php [edit]
[-] Pool.php [edit]
[-] DefaultPolicy.php [edit]
[-] PolicyInterface.php [edit]
[-] LocalRepoTransaction.php [edit]
[-] GenericRule.php [edit]