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<?php |
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/** |
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* Copyright (C) 2016 SURFnet. |
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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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namespace SURFnet\VPN\Server; |
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use SURFnet\VPN\Common\Config; |
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use SURFnet\VPN\Server\Exception\CliException; |
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class CliParser |
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{ |
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/** @var string */ |
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private $programDescription; |
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/** @var array */ |
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private $optionList; |
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public function __construct($programDescription, array $optionList) |
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{ |
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$this->programDescription = $programDescription; |
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$this->optionList = $optionList; |
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} |
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public function help() |
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{ |
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$helpText = $this->programDescription.PHP_EOL; |
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$helpText .= 'Options:'.PHP_EOL; |
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foreach ($this->optionList as $k => $v) { |
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if ($v[1]) { |
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$helpText .= sprintf(" --%s %s\t\t%s", $k, $k, $v[0]); |
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} else { |
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$helpText .= sprintf(" --%s\t\t%s", $k, $v[0]); |
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} |
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if ($v[2]) { |
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$helpText .= ' (REQUIRED)'; |
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} |
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$helpText .= PHP_EOL; |
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} |
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return $helpText; |
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} |
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public function parse(array $argv) |
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{ |
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$argc = count($argv); |
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$optionValues = []; |
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for ($i = 1; $i < $argc; ++$i) { |
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if (0 === strpos($argv[$i], '--')) { |
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// it is an option selector |
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$p = substr($argv[$i], 2); // strip the dashes |
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$pO = []; |
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while ($i + 1 < $argc && false === strpos($argv[$i + 1], '--')) { |
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$pO[] = $argv[++$i]; |
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} |
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if (1 === count($pO)) { |
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$optionValues[$p] = $pO[0]; |
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} else { |
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$optionValues[$p] = $pO; |
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} |
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} |
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} |
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// --help is special |
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if (array_key_exists('help', $optionValues)) { |
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return new Config(['help' => true]); |
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} |
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// check if any of the required keys is missing |
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foreach (array_keys($this->optionList) as $opt) { |
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View Code Duplication |
if ($this->optionList[$opt][2]) { |
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// required |
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if (!array_key_exists($opt, $optionValues)) { |
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throw new CliException(sprintf('missing required parameter "--%s"', $opt)); |
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} |
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} |
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} |
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// check if any of the options that require a value has no value |
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foreach (array_keys($this->optionList) as $opt) { |
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if ($this->optionList[$opt][1]) { |
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// check if it is actually there |
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View Code Duplication |
if (array_key_exists($opt, $optionValues)) { |
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// must have value |
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if (0 === count($optionValues[$opt])) { |
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throw new CliException(sprintf('missing required parameter value for option "--%s"', $opt)); |
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} |
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} |
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} |
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} |
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return new Config($optionValues); |
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} |
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} |
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eduVPN /
vpn-server-api
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.