/// <summary>
/// Creates a PDO instance representing a connection to a database
/// </summary>
/// <param name="dsn">The DSN.</param>
/// <param name="username">The username.</param>
/// <param name="password">The password.</param>
/// <param name="options">The options.</param>
public void __construct(string dsn, string username = null, string password = null, PhpArray options = null)
{
int doublecolon = dsn.IndexOf(':');
if (doublecolon < 0)
{
// lookup dsn alias
var dsn2 = _ctx.Configuration.Get <PDOConfiguration>()?.Dsn[dsn];
if (dsn2 == null)
{
throw new PDOException("Invalid DSN Alias.");
}
dsn = dsn2;
doublecolon = dsn.IndexOf(':');
if (doublecolon <= 0)
{
throw new PDOException("Invalid DSN.");
}
}
//
var driver = dsn.Remove(doublecolon);
var connstring = dsn.AsSpan(doublecolon + 1);
// resolve the driver:
Driver = PDOEngine.TryGetDriver(driver) ?? throw new PDOException($"could not find driver: '{driver}'"); // TODO: resources
if (options != null && options.TryGetValue((int)PDO_ATTR.ATTR_PERSISTENT, out var persistent))
{
// TODO: lookup for persistent connection in `ConnectionManager`, mark as persistent
}
try
{
// create connection object:
_connection = new PdoConnectionResource(this, Driver.OpenConnection(connstring, username, password, options));
}
catch (Exception e)
{
// PDO construct always throws PDOException on error:
throw new PDOException(e.Message);
}
// set attributes
if (options != null)
{
var enumerator = options.GetFastEnumerator();
while (enumerator.MoveNext())
{
var key = enumerator.CurrentKey;
if (key.IsInteger &&
key.Integer != ATTR_PERSISTENT)
{
setAttribute((PDO_ATTR)key.Integer, enumerator.CurrentValue);
}
}
}
}
static bool TryGetUriDriver(string driverName, out PDODriver driver)
{
if (driverName == "uri")
{
throw new NotImplementedException("PDO uri DSN not implemented");
//// Uri mode
//if (Uri.TryCreate(connstring.ToString(), UriKind.Absolute, out var uri))
//{
// if (uri.Scheme.Equals("file", StringComparison.Ordinal))
// {
// //return
// }
// else
// {
// throw new PDOException("PDO DSN as URI does not support other schemes than 'file'");
// }
//}
//else
//{
// throw new PDOException("Invalid uri in DSN");
//}
}
driver = null;
return(false);
}
/// <summary>
/// Creates a PDO instance representing a connection to a database
/// </summary>
/// <param name="dsn">The DSN.</param>
/// <param name="username">The username.</param>
/// <param name="password">The password.</param>
/// <param name="options">The options.</param>
public void __construct(string dsn, string username = null, string password = null, PhpArray options = null)
{
int doublecolon = dsn.IndexOf(':');
if (doublecolon < 0)
{
// lookup dsn alias
var dsn2 = _ctx.Configuration.Get <PDOConfiguration>()?.Dsn[dsn];
if (dsn2 == null)
{
throw new PDOException("Invalid DSN Alias.");
}
dsn = dsn2;
doublecolon = dsn.IndexOf(':');
if (doublecolon <= 0)
{
throw new PDOException("Invalid DSN.");
}
}
//
var driver = dsn.Remove(doublecolon);
var connstring = dsn.AsSpan(doublecolon + 1);
// resolve the driver:
Driver = PDOEngine.TryGetDriver(driver) ?? throw new PDOException($"Driver '{driver}' not found"); // TODO: resources
try
{
// create connection object:
_connection = new PdoConnectionResource(this, Driver.OpenConnection(connstring, username, password, options));
}
catch (Exception e)
{
// PDO construct always throws PDOException on error:
throw new PDOException(e.Message);
}
}
public PDORegistrator()
{
Context.RegisterConfiguration(new PDOConfiguration());
PDODriver.RegisterAllDrivers();
}