ptlis / semantic-version

src/Comparator/ComparatorFactory.php

<?php

/**
 * @copyright   (c) 2014-2017 brian ridley
 * @author      brian ridley <ptlis@ptlis.net>
 * @license     http://opensource.org/licenses/MIT MIT
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ptlis\SemanticVersion\Comparator;

/**
 * Factory to build comparator instances from string representation.
 */
final class ComparatorFactory
{
    /** @var ComparatorInterface[] */
    private $comparatorStringMap;


    /**
     * Constructor.
     */
    public function __construct()
    {
        $this->comparatorStringMap = [

It seems like array('>' => new \ptlis\SemanticVersion\Comparator\GreaterThan(), '>=' => new \ptlis\SemanticVersion\Comparator\GreaterOrEqualTo(), '<' => new \ptlis\SemanticVersion\Comparator\LessThan(), '<=' => new \ptlis\SemanticVersion\Comparator\LessOrEqualTo(), '=' => new \ptlis\SemanticVersion\Comparator\EqualTo()) of type array<string,object<ptlis\SemanticVersion\Comparator\GreaterThan>|object<ptlis\SemanticVersion\Comparator\GreaterOrEqualTo>|object<ptlis\SemanticVersion\Comparator\LessThan>|object<ptlis\SemanticVersion\Comparator\LessOrEqualTo>|object<ptlis\SemanticVersion\Comparator\EqualTo>,{">":"object<ptlis\\SemanticVersion\\Comparator\\GreaterThan>",">=":"object<ptlis\\SemanticVersion\\Comparator\\GreaterOrEqualTo>","<":"object<ptlis\\SemanticVersion\\Comparator\\LessThan>","<=":"object<ptlis\\SemanticVersion\\Comparator\\LessOrEqualTo>","=":"object<ptlis\\SemanticVersion\\Comparator\\EqualTo>"}> is incompatible with the declared type array<integer,object<ptlis\SemanticVersion\Comparator\ComparatorInterface>> of property $comparatorStringMap.

            '>' => new GreaterThan(),
            '>=' => new GreaterOrEqualTo(),
            '<' => new LessThan(),
            '<=' => new LessOrEqualTo(),
            '=' => new EqualTo()
        ];
    }

    /**
     * Build a comparator instance from it's string representation
     *
     * @param string $comparatorString
     *
     * @return ComparatorInterface|null
     */
    public function get($comparatorString)
    {
        if (!$this->isComparator($comparatorString)) {
            throw new \RuntimeException('Unknown comparator "' . $comparatorString . '" encountered"');
        }

        return $this->comparatorStringMap[$comparatorString];
    }

    /**
     * Returns true if the provided string is a valid comparator.
     *
     * @param string $comparatorString
     *
     * @return bool
     */
    public function isComparator($comparatorString)
    {
        return array_key_exists($comparatorString, $this->comparatorStringMap);
    }
}