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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\Adapter\Platform;
use Zend\Db\Adapter\Driver\DriverInterface;
use Zend\Db\Adapter\Driver\Oci8\Oci8;
use Zend\Db\Adapter\Driver\Pdo\Pdo;
use \Zend\Db\Adapter\Exception\InvalidArgumentException;
class Oracle extends AbstractPlatform
{
/**
* @var null|Pdo|Oci8
*/
protected $resource = null;
/**
* @param array $options
* @param null|Oci8|Pdo $driver
*/
public function __construct($options = [], $driver = null)
{
if (isset($options['quote_identifiers'])
&& ($options['quote_identifiers'] == false
|| $options['quote_identifiers'] === 'false')
) {
$this->quoteIdentifiers = false;
}
if ($driver) {
$this->setDriver($driver);
}
}
/**
* @param Pdo|Oci8 $driver
* @return self Provides a fluent interface
* @throws InvalidArgumentException
*/
public function setDriver($driver)
{
if ($driver instanceof Oci8
|| ($driver instanceof Pdo && $driver->getDatabasePlatformName() == 'Oracle')
|| ($driver instanceof Pdo && $driver->getDatabasePlatformName() == 'Sqlite')
|| ($driver instanceof \oci8)
|| ($driver instanceof PDO && $driver->getAttribute(PDO::ATTR_DRIVER_NAME) == 'oci')
) {
$this->resource = $driver;
return $this;
}
throw new InvalidArgumentException(
'$driver must be a Oci8 or Oracle PDO Zend\Db\Adapter\Driver, '
. 'Oci8 instance, or Oci PDO instance'
);
}
/**
* @return null|Pdo|Oci8
*/
public function getDriver()
{
return $this->resource;
}
/**
* {@inheritDoc}
*/
public function getName()
{
return 'Oracle';
}
/**
* {@inheritDoc}
*/
public function quoteIdentifierChain($identifierChain)
{
if ($this->quoteIdentifiers === false) {
return implode('.', (array) $identifierChain);
}
return '"' . implode('"."', (array) str_replace('"', '\\"', $identifierChain)) . '"';
}
/**
* {@inheritDoc}
*/
public function quoteValue($value)
{
if ($this->resource instanceof DriverInterface) {
$this->resource = $this->resource->getConnection()->getResource();
}
if ($this->resource) {
if ($this->resource instanceof PDO) {
return $this->resource->quote($value);
}
if (get_resource_type($this->resource) == 'oci8 connection'
|| get_resource_type($this->resource) == 'oci8 persistent connection'
) {
return "'" . addcslashes(str_replace("'", "''", $value), "\x00\n\r\"\x1a") . "'";
}
}
trigger_error(
'Attempting to quote a value in ' . __CLASS__ . ' without extension/driver support '
. 'can introduce security vulnerabilities in a production environment.'
);
return "'" . addcslashes(str_replace("'", "''", $value), "\x00\n\r\"\x1a") . "'";
}
/**
* {@inheritDoc}
*/
public function quoteTrustedValue($value)
{
return "'" . addcslashes(str_replace('\'', '\'\'', $value), "\x00\n\r\"\x1a") . "'";
}
}