js
2 months ago
class-assets.php
3 weeks ago
class-script-data.php
2 weeks ago
class-semver.php
2 years ago
class-shared-stores-assets.php
2 months ago
class-semver.php
122 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Simple semver version handling. |
| 4 | * |
| 5 | * We use this instead of something like `composer/semver` to avoid |
| 6 | * plugins needing to include yet-another dependency package. The |
| 7 | * amount of code we need here is pretty small. |
| 8 | * |
| 9 | * We use this instead of PHP's `version_compare()` because that doesn't |
| 10 | * handle prerelease versions in the way anyone other than PHP devs would |
| 11 | * expect, and silently breaks on various unexpected input. |
| 12 | * |
| 13 | * @package automattic/jetpack-assets |
| 14 | */ |
| 15 | |
| 16 | namespace Automattic\Jetpack\Assets; |
| 17 | |
| 18 | use InvalidArgumentException; |
| 19 | |
| 20 | /** |
| 21 | * Simple semver version handling. |
| 22 | */ |
| 23 | class Semver { |
| 24 | /** |
| 25 | * Parse a semver version. |
| 26 | * |
| 27 | * @param string $version Version. |
| 28 | * @return array With components: |
| 29 | * - major: (int) Major version. |
| 30 | * - minor: (int) Minor version. |
| 31 | * - patch: (int) Patch version. |
| 32 | * - version: (string) Major.minor.patch. |
| 33 | * - prerelease: (string|null) Pre-release string. |
| 34 | * - buildinfo: (string|null) Build metadata string. |
| 35 | * @throws InvalidArgumentException If the version number is not in a recognized format. |
| 36 | */ |
| 37 | public static function parse( $version ) { |
| 38 | // This is slightly looser than the official version from semver.org, in that leading zeros are allowed. |
| 39 | if ( ! preg_match( '/^(?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(?:-(?P<prerelease>(?:[0-9a-zA-Z-]+)(?:\.(?:[0-9a-zA-Z-]+))*))?(?:\+(?P<buildinfo>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/', $version, $m ) ) { |
| 40 | throw new InvalidArgumentException( "Version number \"$version\" is not in a recognized format." ); |
| 41 | } |
| 42 | $info = array( |
| 43 | 'major' => (int) $m['major'], |
| 44 | 'minor' => (int) $m['minor'], |
| 45 | 'patch' => (int) $m['patch'], |
| 46 | 'version' => sprintf( '%d.%d.%d', $m['major'], $m['minor'], $m['patch'] ), |
| 47 | 'prerelease' => isset( $m['prerelease'] ) && '' !== $m['prerelease'] ? $m['prerelease'] : null, |
| 48 | 'buildinfo' => isset( $m['buildinfo'] ) && '' !== $m['buildinfo'] ? $m['buildinfo'] : null, |
| 49 | ); |
| 50 | |
| 51 | if ( null !== $info['prerelease'] ) { |
| 52 | $sep = ''; |
| 53 | $prerelease = ''; |
| 54 | foreach ( explode( '.', $info['prerelease'] ) as $part ) { |
| 55 | if ( ctype_digit( $part ) ) { |
| 56 | $part = (int) $part; |
| 57 | } |
| 58 | $prerelease .= $sep . $part; |
| 59 | $sep = '.'; |
| 60 | } |
| 61 | $info['prerelease'] = $prerelease; |
| 62 | } |
| 63 | |
| 64 | return $info; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Compare two version numbers. |
| 69 | * |
| 70 | * @param string $a First version. |
| 71 | * @param string $b Second version. |
| 72 | * @return int Less than, equal to, or greater than 0 depending on whether `$a` is less than, equal to, or greater than `$b`. |
| 73 | * @throws InvalidArgumentException If the version numbers are not in a recognized format. |
| 74 | */ |
| 75 | public static function compare( $a, $b ) { |
| 76 | $aa = self::parse( $a ); |
| 77 | $bb = self::parse( $b ); |
| 78 | if ( $aa['major'] !== $bb['major'] ) { |
| 79 | return $aa['major'] - $bb['major']; |
| 80 | } |
| 81 | if ( $aa['minor'] !== $bb['minor'] ) { |
| 82 | return $aa['minor'] - $bb['minor']; |
| 83 | } |
| 84 | if ( $aa['patch'] !== $bb['patch'] ) { |
| 85 | return $aa['patch'] - $bb['patch']; |
| 86 | } |
| 87 | |
| 88 | if ( null === $aa['prerelease'] ) { |
| 89 | return null === $bb['prerelease'] ? 0 : 1; |
| 90 | } |
| 91 | if ( null === $bb['prerelease'] ) { |
| 92 | return -1; |
| 93 | } |
| 94 | |
| 95 | $aaa = explode( '.', $aa['prerelease'] ); |
| 96 | $bbb = explode( '.', $bb['prerelease'] ); |
| 97 | $al = count( $aaa ); |
| 98 | $bl = count( $bbb ); |
| 99 | for ( $i = 0; $i < $al && $i < $bl; $i++ ) { |
| 100 | $a = $aaa[ $i ]; |
| 101 | $b = $bbb[ $i ]; |
| 102 | if ( ctype_digit( $a ) ) { |
| 103 | if ( ctype_digit( $b ) ) { |
| 104 | if ( (int) $a !== (int) $b ) { |
| 105 | return (int) $a - (int) $b; |
| 106 | } |
| 107 | } else { |
| 108 | return -1; |
| 109 | } |
| 110 | } elseif ( ctype_digit( $b ) ) { |
| 111 | return 1; |
| 112 | } else { |
| 113 | $tmp = strcmp( $a, $b ); |
| 114 | if ( 0 !== $tmp ) { |
| 115 | return $tmp; |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | return $al - $bl; |
| 120 | } |
| 121 | } |
| 122 |