public function tryDelimite($str, $delimiteMode = null)
{
$delimiteMode = null !== $delimiteMode ? $delimiteMode : $this->delimiteMode;
if (self::DELIMITE_MODE_NONE == $delimiteMode) {
return $str;
}
$driver = $this->connection->getDriver();
$delimited = '';
$splits = preg_split("~('(?:[^\\\\']+|\\\\.)*')~", $str, -1, PREG_SPLIT_DELIM_CAPTURE);
//split by single quoted strings
foreach ($splits as $part) {
if (!empty($part)) {
if (strlen($part) <= 1 || "'" != $part[0] || "'" != $part[strlen($part) - 1]) {
//ignore parts that are sql string (inside single quotes)
if ($delimiteMode & self::DELIMITE_MODE_REPLACE) {
$part = preg_replace_callback('~(["`\\[])([a-z_][a-z0-9_]*)(["`\\]])~i', function ($m) use($driver) {
return $driver->delimite($m[2]);
}, $part);
}
if ($delimiteMode & self::DELIMITE_MODE_ADD) {
$part = preg_replace_callback('~(?<=[^"`:\'\\[\\w]|^)[a-z_][a-z0-9_]*(?=[^"`\'\\]\\w]|\\z)~i', function ($m) use($driver) {
return $m[0] == strtoupper($m[0]) ? $m[0] : $driver->delimite($m[0]);
}, $part);
}
}
$delimited .= $part;
}
}
return $delimited;
}
/**
* @return string
*/
public function getPrimarySequence()
{
if ($this->primarySequence === FALSE) {
$this->primarySequence = NULL;
$driver = $this->connection->getDriver();
if ($driver->isSupported(IDriver::SUPPORT_SEQUENCE) && $this->primary !== NULL) {
foreach ($driver->getColumns($this->name) as $column) {
if ($column['name'] === $this->primary) {
$this->primarySequence = $column['vendor']['sequence'];
break;
}
}
}
}
return $this->primarySequence;
}
protected function __construct(Connection $connection)
{
$this->connection = $connection;
$this->driver = $connection->getDriver();
$this->setFetchMode(PDO::FETCH_CLASS, 'Flunorette\\Row', array($this));
}
