1<?php
2/**
3 * HavingProcessor.php
4 *
5 * Parses the HAVING statements.
6 *
7 * PHP version 5
8 *
9 * LICENSE:
10 * Copyright (c) 2010-2014 Justin Swanhart and André Rothe
11 * All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 * 3. The name of the author may not be used to endorse or promote products
22 *    derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 * @author    André Rothe <andre.rothe@phosco.info>
36 * @copyright 2010-2014 Justin Swanhart and André Rothe
37 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
38 * @version   SVN: $Id$
39 *
40 */
41
42namespace PHPSQLParser\processors;
43use PHPSQLParser\utils\ExpressionType;
44
45/**
46 * This class implements the processor for the HAVING statement.
47 * You can overwrite all functions to achieve another handling.
48 *
49 * @author  André Rothe <andre.rothe@phosco.info>
50 * @license http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
51 *
52 */
53class HavingProcessor extends ExpressionListProcessor {
54
55    public function process($tokens, $select = array()) {
56        $parsed = parent::process($tokens);
57
58        foreach ($parsed as $k => $v) {
59            if ($v['expr_type'] === ExpressionType::COLREF) {
60                foreach ($select as $clause) {
61                    if (!isset($clause['alias'])) {
62                    	continue;
63                    }
64                    if (!$clause['alias']) {
65                        continue;
66                    }
67                    if ($clause['alias']['no_quotes'] === $v['no_quotes']) {
68                        $parsed[$k]['expr_type'] = ExpressionType::ALIAS;
69                        break;
70                    }
71                }
72            }
73        }
74
75        return $parsed;
76    }
77}
78
79?>
80