<?php

/*

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * This software consists of voluntary contributions made by many individuals

 * and is licensed under the LGPL. For more information, see

 * <http://www.doctrine-project.org>.

 */

namespace Doctrine\DBAL\Driver\PDOMySql;

use Doctrine\DBAL\Connection;

/**

 * PDO MySql driver.

 *

 * @since 2.0

 */

class Driver implements \Doctrine\DBAL\Driver

{

    /**

     * Attempts to establish a connection with the underlying driver.

     *

     * @param array $params

     * @param string $username

     * @param string $password

     * @param array $driverOptions

     * @return Doctrine\DBAL\Driver\Connection

     */

    public function connect(array $params, $username = null, $password = null, array $driverOptions = array())

    {

        $conn = new \Doctrine\DBAL\Driver\PDOConnection(

            $this->_constructPdoDsn($params),

            $username,

            $password,

            $driverOptions

        );

        return $conn;

    }

    /**

     * Constructs the MySql PDO DSN.

     *

     * @return string  The DSN.

     */

    private function _constructPdoDsn(array $params)

    {

        $dsn = 'mysql:';

        if (isset($params['host']) && $params['host'] != '') {

            $dsn .= 'host=' . $params['host'] . ';';

        }

        if (isset($params['port'])) {

            $dsn .= 'port=' . $params['port'] . ';';

        }

        if (isset($params['dbname'])) {

            $dsn .= 'dbname=' . $params['dbname'] . ';';

        }

        if (isset($params['unix_socket'])) {

            $dsn .= 'unix_socket=' . $params['unix_socket'] . ';';

        }

        if (isset($params['charset'])) {

            $dsn .= 'charset=' . $params['charset'] . ';';

        }

        return $dsn;

    }

    public function getDatabasePlatform()

    {

        return new \Doctrine\DBAL\Platforms\MySqlPlatform();

    }

    public function getSchemaManager(\Doctrine\DBAL\Connection $conn)

    {

        return new \Doctrine\DBAL\Schema\MySqlSchemaManager($conn);

    }

    public function getName()

    {

        return 'pdo_mysql';

    }

    public function getDatabase(\Doctrine\DBAL\Connection $conn)

    {

        $params = $conn->getParams();

        return $params['dbname'];

    }

}