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authorNicolas LÅ“uillet <nicolas@loeuillet.org>2014-02-21 15:57:10 +0100
committerNicolas LÅ“uillet <nicolas@loeuillet.org>2014-02-21 15:57:10 +0100
commit99679d06884120c57f43b44e55e03595f1f87bed (patch)
treea3f2a1aa1afdaeca1386d0c6e8a75344fd2241fb /inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/Enum.php
parent655214ab30ee84884dc408488b85586f36263fcb (diff)
parentd3b47e94705e17b3ba3529cbb1dc6efe69c5d2b7 (diff)
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Merge pull request #481 from wallabag/dev1.5.2
1.5.2
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/Enum.php')
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1 files changed, 73 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/Enum.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/Enum.php
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1<?php
2
3// Enum = Enumerated
4/**
5 * Validates a keyword against a list of valid values.
6 * @warning The case-insensitive compare of this function uses PHP's
7 * built-in strtolower and ctype_lower functions, which may
8 * cause problems with international comparisons
9 */
10class HTMLPurifier_AttrDef_Enum extends HTMLPurifier_AttrDef
11{
12
13 /**
14 * Lookup table of valid values.
15 * @type array
16 * @todo Make protected
17 */
18 public $valid_values = array();
19
20 /**
21 * Bool indicating whether or not enumeration is case sensitive.
22 * @note In general this is always case insensitive.
23 */
24 protected $case_sensitive = false; // values according to W3C spec
25
26 /**
27 * @param array $valid_values List of valid values
28 * @param bool $case_sensitive Whether or not case sensitive
29 */
30 public function __construct($valid_values = array(), $case_sensitive = false)
31 {
32 $this->valid_values = array_flip($valid_values);
33 $this->case_sensitive = $case_sensitive;
34 }
35
36 /**
37 * @param string $string
38 * @param HTMLPurifier_Config $config
39 * @param HTMLPurifier_Context $context
40 * @return bool|string
41 */
42 public function validate($string, $config, $context)
43 {
44 $string = trim($string);
45 if (!$this->case_sensitive) {
46 // we may want to do full case-insensitive libraries
47 $string = ctype_lower($string) ? $string : strtolower($string);
48 }
49 $result = isset($this->valid_values[$string]);
50
51 return $result ? $string : false;
52 }
53
54 /**
55 * @param string $string In form of comma-delimited list of case-insensitive
56 * valid values. Example: "foo,bar,baz". Prepend "s:" to make
57 * case sensitive
58 * @return HTMLPurifier_AttrDef_Enum
59 */
60 public function make($string)
61 {
62 if (strlen($string) > 2 && $string[0] == 's' && $string[1] == ':') {
63 $string = substr($string, 2);
64 $sensitive = true;
65 } else {
66 $sensitive = false;
67 }
68 $values = explode(',', $string);
69 return new HTMLPurifier_AttrDef_Enum($values, $sensitive);
70 }
71}
72
73// vim: et sw=4 sts=4