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Basic color keywords translated into hexadecimal values.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@323 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2006-08-27 00:35:57 +00:00
parent 5169fc7a3b
commit ffe39d7f30
3 changed files with 31 additions and 0 deletions
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27
library/HTMLPurifier/AttrDef/Color.php
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@@ -8,11 +8,38 @@ require_once 'HTMLPurifier/AttrDef.php';
class HTMLPurifier_AttrDef_Color extends HTMLPurifier_AttrDef
{
/**
* Color keyword lookup table.
* @todo Extend it to include all usually allowed colors.
*/
var $colors = array(
'maroon' => '#800000',
'red' => '#F00',
'orange' => '#FFA500',
'yellow' => '#FF0',
'olive' => '#808000',
'purple' => '#800080',
'fuchsia' => '#F0F',
'white' => '#FFF',
'lime' => '#0F0',
'green' => '#008000',
'navy' => '#000080',
'blue' => '#00F',
'aqua' => '#0FF',
'teal' => '#008080',
'black' => '#000',
'silver' => '#C0C0C0',
'gray' => '#808080'
);
function validate($color, $config, &$context) {
$color = trim($color);
if (!$color) return false;
$lower = strtolower($color);
if (isset($this->colors[$lower])) return $this->colors[$lower];
if ($color[0] === '#') {
// hexadecimal handling
$hex = substr($color, 1);