* renamed some files libs

* added doc comments to drivers
* DibiDriver::prepare() renamed to config()
* fixed connection error handling in Postgre driver

dibi/libs/DibiException.php

@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * dibi - tiny'n'smart database abstraction layer
+ * ----------------------------------------------
+ *
+ * Copyright (c) 2005, 2007 David Grudl aka -dgx- (http://www.dgx.cz)
+ *
+ * This source file is subject to the "dibi license" that is bundled
+ * with this package in the file license.txt.
+ *
+ * For more information please see http://php7.org/dibi/
+ *
+ * @author     David Grudl
+ * @copyright  Copyright (c) 2005, 2007 David Grudl
+ * @license    http://php7.org/dibi/license  (dibi license)
+ * @category   Database
+ * @package    Dibi
+ * @link       http://php7.org/dibi/
+ */
+
+
+
+/**
+ * dibi common exception
+ *
+ * @version $Revision$ $Date$
+ */
+class DibiException extends Exception
+{
+}
+
+
+/**
+ * database server exception
+ */
+class DibiDatabaseException extends DibiException
+{
+    /** @var string */
+    private $sql;
+
+
+    public function __construct($message = NULL, $code = 0, $sql = NULL)
+    {
+        parent::__construct($message);
+        $this->sql = $sql;
+        dibi::notify('exception', NULL, $this);
+    }
+
+
+
+    final public function getSql()
+    {
+        return $this->sql;
+    }
+
+
+
+    public function __toString()
+    {
+        $s = parent::__toString();
+        if ($this->sql) {
+            $s .= "\nSQL: " . $this->sql;
+        }
+        return $s;
+    }
+
+}