1: <?php
 2: /* Need to define this outside of class since constants in class can not be
 3:  * assigned from a function return. */
 4: define('VC_WINDOWS', !strncasecmp(PHP_OS, 'WIN', 3));
 5: 
 6: /**
 7:  * Version Control generalized library.
 8:  *
 9:  * Copyright 2008-2012 Horde LLC (http://www.horde.org/)
10:  *
11:  * See the enclosed file COPYING for license information (LGPL). If you
12:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
13:  *
14:  * @package Vcs
15:  */
16: class Horde_Vcs
17: {
18:     /* Sorting options */
19:     const SORT_NONE = 0;    // don't sort
20:     const SORT_AGE = 1;     // sort by age
21:     const SORT_NAME = 2;    // sort by filename
22:     const SORT_REV = 3;     // sort by revision number
23:     const SORT_AUTHOR = 4;  // sort by author name
24: 
25:     const SORT_ASCENDING = 0;   // ascending order
26:     const SORT_DESCENDING = 1;  // descending order
27: 
28:     /**
29:      * Attempts to return a concrete Horde_Vcs instance based on $driver.
30:      *
31:      * @param mixed $driver  The type of concrete Horde_Vcs subclass to return.
32:      *                       The code is dynamically included.
33:      * @param array $params  A hash containing any additional configuration
34:      *                       or  parameters a subclass might need.
35:      *
36:      * @return Horde_Vcs  The newly created concrete instance.
37:      * @throws Horde_Vcs_Exception
38:      */
39:     static public function factory($driver, $params = array())
40:     {
41:         $class = 'Horde_Vcs_' . $driver;
42:         if (class_exists($class)) {
43:             return new $class($params);
44:         }
45: 
46:         throw new Horde_Vcs_Exception($class . ' not found.');
47:     }
48: }
49: