1<?php
2
3/**
4 * Allows multiple validators to attempt to validate attribute.
5 *
6 * Composite is just what it sounds like: a composite of many validators.
7 * This means that multiple HTMLPurifier_AttrDef objects will have a whack
8 * at the string.  If one of them passes, that's what is returned.  This is
9 * especially useful for CSS values, which often are a choice between
10 * an enumerated set of predefined values or a flexible data type.
11 */
12class HTMLPurifier_AttrDef_CSS_Composite extends HTMLPurifier_AttrDef
13{
14
15    /**
16     * List of objects that may process strings.
17     * @type HTMLPurifier_AttrDef[]
18     * @todo Make protected
19     */
20    public $defs;
21
22    /**
23     * @param HTMLPurifier_AttrDef[] $defs List of HTMLPurifier_AttrDef objects
24     */
25    public function __construct($defs)
26    {
27        $this->defs = $defs;
28    }
29
30    /**
31     * @param string $string
32     * @param HTMLPurifier_Config $config
33     * @param HTMLPurifier_Context $context
34     * @return bool|string
35     */
36    public function validate($string, $config, $context)
37    {
38        foreach ($this->defs as $i => $def) {
39            $result = $this->defs[$i]->validate($string, $config, $context);
40            if ($result !== false) {
41                return $result;
42            }
43        }
44        return false;
45    }
46}
47
48// vim: et sw=4 sts=4
49