Doctrine_Connection_Sqlite_Exception : added portable error codes

lib/Doctrine/Connection/Sqlite/Exception.php

@@ -22,8 +22,53 @@ Doctrine::autoload('Doctrine_Connection_Exception');
 /**
  * Doctrine_Connection_Sqlite_Exception
  *
- * @package     Doctrine ORM
- * @url         www.phpdoctrine.com
- * @license     LGPL
+ * @package     Doctrine
+ * @url         http://www.phpdoctrine.com
+ * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @author      Konsta Vesterinen
+ * @author      Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
+ * @since       1.0
+ * @version     $Id$
  */
-class Doctrine_Connection_Sqlite_Exception extends Doctrine_Connection_Exception { }
+class Doctrine_Connection_Sqlite_Exception extends Doctrine_Connection_Exception { 
+    /**
+     * @var array $errorRegexps         an array that is used for determining portable 
+     *                                  error code from a native database error message
+     */
+    protected static $errorRegexps = array(
+                              '/^no such table:/'                    => Doctrine::ERR_NOSUCHTABLE,
+                              '/^no such index:/'                    => Doctrine::ERR_NOT_FOUND,
+                              '/^(table|index) .* already exists$/'  => Doctrine::ERR_ALREADY_EXISTS,
+                              '/PRIMARY KEY must be unique/i'        => Doctrine::ERR_CONSTRAINT,
+                              '/is not unique/'                      => Doctrine::ERR_CONSTRAINT,
+                              '/columns .* are not unique/i'         => Doctrine::ERR_CONSTRAINT,
+                              '/uniqueness constraint failed/'       => Doctrine::ERR_CONSTRAINT,
+                              '/may not be NULL/'                    => Doctrine::ERR_CONSTRAINT_NOT_NULL,
+                              '/^no such column:/'                   => Doctrine::ERR_NOSUCHFIELD,
+                              '/column not present in both tables/i' => Doctrine::ERR_NOSUCHFIELD,
+                              '/^near ".*": syntax error$/'          => Doctrine::ERR_SYNTAX,
+                              '/[0-9]+ values for [0-9]+ columns/i'  => Doctrine::ERR_VALUE_COUNT_ON_ROW,
+                              );
+
+    /**
+     * This method checks if native error code/message can be 
+     * converted into a portable code and then adds this 
+     * portable error code to errorInfo array and returns the modified array
+     *
+     * the portable error code is added at the end of array
+     *
+     * @param array $errorInfo
+     * @since 1.0
+     * @return array
+     */
+    public function processErrorInfo(array $errorInfo) {
+        foreach (self::$errorRegexps as $regexp => $code) {
+            if (preg_match($regexp, $errorInfo[2])) {
+                $errorInfo[3] = $code;
+                break;
+            }
+        }
+
+        return $errorInfo;
+    }
+}