xref: /plugin/struct/helper/config.php (revision d7b296500cab514c167c2a2c46ca79305636d116) 
1<?php
2/**
3 * DokuWiki Plugin struct (Helper Component)
4 *
5 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
6 * @author  Andreas Gohr, Michael Große <dokuwiki@cosmocode.de>
7 */
8
9// must be run within Dokuwiki
10if(!defined('DOKU_INC')) die();
11
12class helper_plugin_struct_config extends DokuWiki_Plugin {
13
14    /**
15     * @param string $val
16     *
17     * @return array
18     */
19    public function parseSort($val) {
20        if(substr($val, 0, 1) == '^') {
21            return array(substr($val, 1), false);
22        }
23        return array($val, true);
24    }
25
26    /**
27     * @param $logic
28     * @param $val
29     *
30     * @return array|bool
31     */
32    public function parseFilterLine($logic, $val) {
33        $flt = $this->parseFilter($val);
34        if($flt) {
35            $flt[] = $logic;
36            return $flt;
37        }
38        return false;
39    }
40
41    /**
42     * Parse a filter
43     *
44     * @param string $val
45     *
46     * @return array ($col, $comp, $value)
47     * @throws dokuwiki\plugin\struct\meta\StructException
48     */
49    protected function parseFilter($val) {
50
51        $comps = dokuwiki\plugin\struct\meta\Search::$COMPARATORS;
52        $comps[] = '*~';
53        array_unshift($comps, '<>');
54        $comps = array_map('preg_quote_cb', $comps);
55        $comps = join('|', $comps);
56
57        if(!preg_match('/^(.*?)('.$comps.')(.*)$/', $val, $match)) {
58            throw new dokuwiki\plugin\struct\meta\StructException('Invalid search filter %s', hsc($val));
59        }
60        array_shift($match); // we don't need the zeroth match
61        $match[0] = trim($match[0]);
62        $match[2] = trim($match[2]);
63        return $match;
64    }
65}
66
67// vim:ts=4:sw=4:et:
68