65 lines
2 KiB
PHP
65 lines
2 KiB
PHP
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<?php
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/**
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* @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OC\App\AppStore\Version;
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/**
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* Class VersionParser parses the versions as sent by the Nextcloud app store
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*
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* @package OC\App\AppStore
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*/
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class VersionParser {
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/**
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* Returns the version for a version string
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*
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* @param string $versionSpec
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* @return Version
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* @throws \Exception If the version cannot be parsed
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*/
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public function getVersion($versionSpec) {
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// * indicates that the version is compatible with all versions
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if($versionSpec === '*') {
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return new Version('', '');
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}
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// Count the amount of =, if it is one then it's either maximum or minimum
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// version. If it is two then it is maximum and minimum.
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if (preg_match_all('/(?:>|<)(?:=|)[0-9.]+/', $versionSpec, $matches)) {
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switch(count($matches[0])) {
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case 1:
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if(substr($matches[0][0], 0, 1) === '>') {
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return new Version(substr($matches[0][0], 2), '');
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} else {
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return new Version('', substr($matches[0][0], 2));
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}
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break;
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case 2:
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return new Version(substr($matches[0][0], 2), substr($matches[0][1], 2));
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break;
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default:
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throw new \Exception('Version cannot be parsed');
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}
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}
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throw new \Exception('Version cannot be parsed');
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}
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}
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