3 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
4 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
7 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
8 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
9 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license. For more information, see
17 * <http://www.doctrine-project.org>.
21 namespace Doctrine\DBAL\Platforms\Keywords;
24 * Abstract interface for a SQL reserved keyword dictionary.
26 * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
27 * @link www.doctrine-project.com
29 * @author Benjamin Eberlei <kontakt@beberlei.de>
31 abstract class KeywordList
33 private $keywords = null;
36 * Check if the given word is a keyword of this dialect/vendor platform.
41 public function isKeyword($word)
43 if ($this->keywords === null) {
44 $this->initializeKeywords();
47 return isset($this->keywords[strtoupper($word)]);
50 protected function initializeKeywords()
52 $this->keywords = array_flip(array_map('strtoupper', $this->getKeywords()));
55 abstract protected function getKeywords();
58 * Name of this keyword list.
62 abstract public function getName();