annotate vendor/composer/semver/src/Comparator.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 4c8ae668cc8c
children
rev   line source
Chris@0 1 <?php
Chris@0 2
Chris@0 3 /*
Chris@0 4 * This file is part of composer/semver.
Chris@0 5 *
Chris@0 6 * (c) Composer <https://github.com/composer>
Chris@0 7 *
Chris@0 8 * For the full copyright and license information, please view
Chris@0 9 * the LICENSE file that was distributed with this source code.
Chris@0 10 */
Chris@0 11
Chris@0 12 namespace Composer\Semver;
Chris@0 13
Chris@0 14 use Composer\Semver\Constraint\Constraint;
Chris@0 15
Chris@0 16 class Comparator
Chris@0 17 {
Chris@0 18 /**
Chris@0 19 * Evaluates the expression: $version1 > $version2.
Chris@0 20 *
Chris@0 21 * @param string $version1
Chris@0 22 * @param string $version2
Chris@0 23 *
Chris@0 24 * @return bool
Chris@0 25 */
Chris@0 26 public static function greaterThan($version1, $version2)
Chris@0 27 {
Chris@0 28 return self::compare($version1, '>', $version2);
Chris@0 29 }
Chris@0 30
Chris@0 31 /**
Chris@0 32 * Evaluates the expression: $version1 >= $version2.
Chris@0 33 *
Chris@0 34 * @param string $version1
Chris@0 35 * @param string $version2
Chris@0 36 *
Chris@0 37 * @return bool
Chris@0 38 */
Chris@0 39 public static function greaterThanOrEqualTo($version1, $version2)
Chris@0 40 {
Chris@0 41 return self::compare($version1, '>=', $version2);
Chris@0 42 }
Chris@0 43
Chris@0 44 /**
Chris@0 45 * Evaluates the expression: $version1 < $version2.
Chris@0 46 *
Chris@0 47 * @param string $version1
Chris@0 48 * @param string $version2
Chris@0 49 *
Chris@0 50 * @return bool
Chris@0 51 */
Chris@0 52 public static function lessThan($version1, $version2)
Chris@0 53 {
Chris@0 54 return self::compare($version1, '<', $version2);
Chris@0 55 }
Chris@0 56
Chris@0 57 /**
Chris@0 58 * Evaluates the expression: $version1 <= $version2.
Chris@0 59 *
Chris@0 60 * @param string $version1
Chris@0 61 * @param string $version2
Chris@0 62 *
Chris@0 63 * @return bool
Chris@0 64 */
Chris@0 65 public static function lessThanOrEqualTo($version1, $version2)
Chris@0 66 {
Chris@0 67 return self::compare($version1, '<=', $version2);
Chris@0 68 }
Chris@0 69
Chris@0 70 /**
Chris@0 71 * Evaluates the expression: $version1 == $version2.
Chris@0 72 *
Chris@0 73 * @param string $version1
Chris@0 74 * @param string $version2
Chris@0 75 *
Chris@0 76 * @return bool
Chris@0 77 */
Chris@0 78 public static function equalTo($version1, $version2)
Chris@0 79 {
Chris@0 80 return self::compare($version1, '==', $version2);
Chris@0 81 }
Chris@0 82
Chris@0 83 /**
Chris@0 84 * Evaluates the expression: $version1 != $version2.
Chris@0 85 *
Chris@0 86 * @param string $version1
Chris@0 87 * @param string $version2
Chris@0 88 *
Chris@0 89 * @return bool
Chris@0 90 */
Chris@0 91 public static function notEqualTo($version1, $version2)
Chris@0 92 {
Chris@0 93 return self::compare($version1, '!=', $version2);
Chris@0 94 }
Chris@0 95
Chris@0 96 /**
Chris@0 97 * Evaluates the expression: $version1 $operator $version2.
Chris@0 98 *
Chris@0 99 * @param string $version1
Chris@0 100 * @param string $operator
Chris@0 101 * @param string $version2
Chris@0 102 *
Chris@0 103 * @return bool
Chris@0 104 */
Chris@0 105 public static function compare($version1, $operator, $version2)
Chris@0 106 {
Chris@0 107 $constraint = new Constraint($operator, $version2);
Chris@0 108
Chris@0 109 return $constraint->matches(new Constraint('==', $version1));
Chris@0 110 }
Chris@0 111 }