public function __construct(DSN $dsn)
{
if (!$dsn->isSQLite()) {
throw new ConfigurationException(sprintf("\\%s expects a DSN of type '%s', '%s' given", __CLASS__, DSN::TYPE_SQLITE, $dsn->type));
}
parent::__construct($dsn);
}
public function quoteIdentifier($name)
{
$name = trim($name);
if ($name == '*') {
return $name;
}
// ANSI-SQL (everything else) says to use double quotes to quote identifiers
$char = '"';
// MySQL uses backticks cos it's special
if ($this->dsn->isMySQL()) {
$char = '`';
}
return $char . $name . $char;
}
protected function db($name, Config $config)
{
if (!($config = $config->get("databases.{$name}"))) {
throw new \LogicException("No configuration for database '{$name}'");
}
if (is_array($config)) {
$dsn = new DSN($config);
} else {
$dsn = DSN::fromString($config);
}
$db = parent::offsetGet('db')->add($name, $dsn);
parent::offsetExists('profiler') && $db->setProfiler(parent::offsetGet('profiler'));
return $db;
}
/**
* Ensure we have a valid DSN instance.
* @param mixed $dsn a string, array or DSN instance
* @return DSN
*/
protected function validateDSN($dsn)
{
if ($dsn instanceof DSN) {
return $dsn;
} elseif (is_string($dsn)) {
return DSN::fromString($dsn);
} elseif (is_array($dsn)) {
return new DSN($dsn);
} else {
throw new ConfigurationException('Invalid DSN: ' . $dsn);
}
}