76 lines
2.2 KiB
PHP
76 lines
2.2 KiB
PHP
<?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));
|
|
}
|
|
}
|
|
}
|