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AttrDef_Length implemented. Reuses a bit of stuff from Pixel.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@170 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2006-08-06 01:30:54 +00:00
parent a520b5469e
commit fb18fe31e1
6 changed files with 114 additions and 27 deletions
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37
library/HTMLPurifier/AttrDef/Length.php Normal file
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<?php
require_once 'HTMLPurifier/AttrDef.php';
require_once 'HTMLPurifier/AttrDef/Pixels.php';
class HTMLPurifier_AttrDef_Length extends HTMLPurifier_AttrDef_Pixels
{
function validate($string) {
$string = trim($string);
if ($string === '') return false;
$parent_result = parent::validate($string);
if ($parent_result !== false) return $parent_result;
$length = strlen($string);
$last_char = $string[$length - 1];
if ($last_char !== '%') return false;
$points = substr($string, 0, $length - 1);
if (!is_numeric($points)) return false;
$points = (int) $points;
if ($points < 0) return '0%';
if ($points > 100) return '100%';
return ((string) $points) . '%';
}
}
?>