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Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php')
| -rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php deleted file mode 100644 index f95de5bb..00000000 --- a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php +++ /dev/null | |||
| @@ -1,157 +0,0 @@ | |||
| 1 | <?php | ||
| 2 | |||
| 3 | /* W3C says: | ||
| 4 | [ // adjective and number must be in correct order, even if | ||
| 5 | // you could switch them without introducing ambiguity. | ||
| 6 | // some browsers support that syntax | ||
| 7 | [ | ||
| 8 | <percentage> | <length> | left | center | right | ||
| 9 | ] | ||
| 10 | [ | ||
| 11 | <percentage> | <length> | top | center | bottom | ||
| 12 | ]? | ||
| 13 | ] | | ||
| 14 | [ // this signifies that the vertical and horizontal adjectives | ||
| 15 | // can be arbitrarily ordered, however, there can only be two, | ||
| 16 | // one of each, or none at all | ||
| 17 | [ | ||
| 18 | left | center | right | ||
| 19 | ] || | ||
| 20 | [ | ||
| 21 | top | center | bottom | ||
| 22 | ] | ||
| 23 | ] | ||
| 24 | top, left = 0% | ||
| 25 | center, (none) = 50% | ||
| 26 | bottom, right = 100% | ||
| 27 | */ | ||
| 28 | |||
| 29 | /* QuirksMode says: | ||
| 30 | keyword + length/percentage must be ordered correctly, as per W3C | ||
| 31 | |||
| 32 | Internet Explorer and Opera, however, support arbitrary ordering. We | ||
| 33 | should fix it up. | ||
| 34 | |||
| 35 | Minor issue though, not strictly necessary. | ||
| 36 | */ | ||
| 37 | |||
| 38 | // control freaks may appreciate the ability to convert these to | ||
| 39 | // percentages or something, but it's not necessary | ||
| 40 | |||
| 41 | /** | ||
| 42 | * Validates the value of background-position. | ||
| 43 | */ | ||
| 44 | class HTMLPurifier_AttrDef_CSS_BackgroundPosition extends HTMLPurifier_AttrDef | ||
| 45 | { | ||
| 46 | |||
| 47 | /** | ||
| 48 | * @type HTMLPurifier_AttrDef_CSS_Length | ||
| 49 | */ | ||
| 50 | protected $length; | ||
| 51 | |||
| 52 | /** | ||
| 53 | * @type HTMLPurifier_AttrDef_CSS_Percentage | ||
| 54 | */ | ||
| 55 | protected $percentage; | ||
| 56 | |||
| 57 | public function __construct() | ||
| 58 | { | ||
| 59 | $this->length = new HTMLPurifier_AttrDef_CSS_Length(); | ||
| 60 | $this->percentage = new HTMLPurifier_AttrDef_CSS_Percentage(); | ||
| 61 | } | ||
| 62 | |||
| 63 | /** | ||
| 64 | * @param string $string | ||
| 65 | * @param HTMLPurifier_Config $config | ||
| 66 | * @param HTMLPurifier_Context $context | ||
| 67 | * @return bool|string | ||
| 68 | */ | ||
| 69 | public function validate($string, $config, $context) | ||
| 70 | { | ||
| 71 | $string = $this->parseCDATA($string); | ||
| 72 | $bits = explode(' ', $string); | ||
| 73 | |||
| 74 | $keywords = array(); | ||
| 75 | $keywords['h'] = false; // left, right | ||
| 76 | $keywords['v'] = false; // top, bottom | ||
| 77 | $keywords['ch'] = false; // center (first word) | ||
| 78 | $keywords['cv'] = false; // center (second word) | ||
| 79 | $measures = array(); | ||
| 80 | |||
| 81 | $i = 0; | ||
| 82 | |||
| 83 | $lookup = array( | ||
| 84 | 'top' => 'v', | ||
| 85 | 'bottom' => 'v', | ||
| 86 | 'left' => 'h', | ||
| 87 | 'right' => 'h', | ||
| 88 | 'center' => 'c' | ||
| 89 | ); | ||
| 90 | |||
| 91 | foreach ($bits as $bit) { | ||
| 92 | if ($bit === '') { | ||
| 93 | continue; | ||
| 94 | } | ||
| 95 | |||
| 96 | // test for keyword | ||
| 97 | $lbit = ctype_lower($bit) ? $bit : strtolower($bit); | ||
| 98 | if (isset($lookup[$lbit])) { | ||
| 99 | $status = $lookup[$lbit]; | ||
| 100 | if ($status == 'c') { | ||
| 101 | if ($i == 0) { | ||
| 102 | $status = 'ch'; | ||
| 103 | } else { | ||
| 104 | $status = 'cv'; | ||
| 105 | } | ||
| 106 | } | ||
| 107 | $keywords[$status] = $lbit; | ||
| 108 | $i++; | ||
| 109 | } | ||
| 110 | |||
| 111 | // test for length | ||
| 112 | $r = $this->length->validate($bit, $config, $context); | ||
| 113 | if ($r !== false) { | ||
| 114 | $measures[] = $r; | ||
| 115 | $i++; | ||
| 116 | } | ||
| 117 | |||
| 118 | // test for percentage | ||
| 119 | $r = $this->percentage->validate($bit, $config, $context); | ||
| 120 | if ($r !== false) { | ||
| 121 | $measures[] = $r; | ||
| 122 | $i++; | ||
| 123 | } | ||
| 124 | } | ||
| 125 | |||
| 126 | if (!$i) { | ||
| 127 | return false; | ||
| 128 | } // no valid values were caught | ||
| 129 | |||
| 130 | $ret = array(); | ||
| 131 | |||
| 132 | // first keyword | ||
| 133 | if ($keywords['h']) { | ||
| 134 | $ret[] = $keywords['h']; | ||
| 135 | } elseif ($keywords['ch']) { | ||
| 136 | $ret[] = $keywords['ch']; | ||
| 137 | $keywords['cv'] = false; // prevent re-use: center = center center | ||
| 138 | } elseif (count($measures)) { | ||
| 139 | $ret[] = array_shift($measures); | ||
| 140 | } | ||
| 141 | |||
| 142 | if ($keywords['v']) { | ||
| 143 | $ret[] = $keywords['v']; | ||
| 144 | } elseif ($keywords['cv']) { | ||
| 145 | $ret[] = $keywords['cv']; | ||
| 146 | } elseif (count($measures)) { | ||
| 147 | $ret[] = array_shift($measures); | ||
| 148 | } | ||
| 149 | |||
| 150 | if (empty($ret)) { | ||
| 151 | return false; | ||
| 152 | } | ||
| 153 | return implode(' ', $ret); | ||
| 154 | } | ||
| 155 | } | ||
| 156 | |||
| 157 | // vim: et sw=4 sts=4 | ||