Файл: vendor/doctrine/dbal/lib/Doctrine/DBAL/Platforms/Keywords/KeywordList.php
Строк: 40
<?php
namespace DoctrineDBALPlatformsKeywords;
use function array_flip;
use function array_map;
use function strtoupper;
/**
* Abstract interface for a SQL reserved keyword dictionary.
*
* @psalm-consistent-constructor
*/
abstract class KeywordList
{
/** @var string[]|null */
private $keywords;
/**
* Checks if the given word is a keyword of this dialect/vendor platform.
*
* @param string $word
*
* @return bool
*/
public function isKeyword($word)
{
if ($this->keywords === null) {
$this->initializeKeywords();
}
return isset($this->keywords[strtoupper($word)]);
}
/**
* @return void
*/
protected function initializeKeywords()
{
$this->keywords = array_flip(array_map('strtoupper', $this->getKeywords()));
}
/**
* Returns the list of keywords.
*
* @return string[]
*/
abstract protected function getKeywords();
/**
* Returns the name of this keyword list.
*
* @return string
*/
abstract public function getName();
}