# Source for file Orderby.php

Documentation is available at Orderby.php

1. <?php
2. /*
3. * $Id: Orderby.php 1871 2007-06-27 17:41:02Z zYne $
4. *
5. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
6. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
7. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
8. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
9. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
10. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
11. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
12. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
13. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
14. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
15. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
16. *
17. * This software consists of voluntary contributions made by many individuals
18. * and is licensed under the LGPL. For more information, see
19. * <http://www.phpdoctrine.com>.
20. */
21. Doctrine::autoload('Doctrine_Query_Part');
22. /**
23. * Doctrine_Query_Orderby
24. *
25. * @package Doctrine
26. * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
27. * @category Object Relational Mapping
28. * @link www.phpdoctrine.com
29. * @since 1.0
30. * @version $Revision: 1871 $
31. * @author Konsta Vesterinen <kvesteri@cc.hut.fi>
32. */
33. class Doctrine_Query_Orderby extends Doctrine_Query_Part
34. {
35. /**
36. * DQL ORDER BY PARSER
37. * parses the order by part of the query string
38. *
39. * @param string $str
40. * @return void
41. */
42. public function parse($str, $append = false)
43. {
44. $ret = array();
46. foreach (explode(',', trim($str)) as $r) {
47. $r = trim($r);
48. $e = explode(' ', $r);
49. $a = explode('.', $e[0]);
51. if (count($a) > 1) {
52. $field = array_pop($a);
53. $reference = implode('.', $a);
54. $name = end($a);
56. $map = $this->query->load($reference, false);
57. $tableAlias = $this->query->getTableAlias($reference);
59. $r = $tableAlias . '.' . $field;
62. } else {
63. $field = $this->query->getAggregateAlias($e[0]);
65. $r = $field;
66. }
67. if (isset($e[1])) {
68. $r .= ' ' . $e[1];
69. }
70. $ret[] = $r;
71. }
72. return $ret;
73. }
74. }