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- <?php
- /**
- * This file is part of PHPWord - A pure PHP library for reading and writing
- * word processing documents.
- *
- * PHPWord is free software distributed under the terms of the GNU Lesser
- * General Public License version 3 as published by the Free Software Foundation.
- *
- * For the full copyright and license information, please read the LICENSE
- * file that was distributed with this source code. For the full list of
- * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
- *
- * @see https://github.com/PHPOffice/PHPWord
- * @copyright 2010-2018 PHPWord contributors
- * @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
- */
- namespace PhpOffice\PhpWord\Shared;
- abstract class AbstractEnum
- {
- private static $constCacheArray = null;
- private static function getConstants()
- {
- if (self::$constCacheArray == null) {
- self::$constCacheArray = array();
- }
- $calledClass = get_called_class();
- if (!array_key_exists($calledClass, self::$constCacheArray)) {
- $reflect = new \ReflectionClass($calledClass);
- self::$constCacheArray[$calledClass] = $reflect->getConstants();
- }
- return self::$constCacheArray[$calledClass];
- }
- /**
- * Returns all values for this enum
- *
- * @return array
- */
- public static function values()
- {
- return array_values(self::getConstants());
- }
- /**
- * Returns true the value is valid for this enum
- *
- * @param string $value
- * @return bool true if value is valid
- */
- public static function isValid($value)
- {
- $values = array_values(self::getConstants());
- return in_array($value, $values, true);
- }
- /**
- * Validates that the value passed is a valid value
- *
- * @param string $value
- * @throws \InvalidArgumentException if the value passed is not valid for this enum
- */
- public static function validate($value)
- {
- if (!self::isValid($value)) {
- $calledClass = get_called_class();
- $values = array_values(self::getConstants());
- throw new \InvalidArgumentException("$value is not a valid value for $calledClass, possible values are " . implode(', ', $values));
- }
- }
- }
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