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Commit initial implementation of AttrDef_CSS, with text-align being the only defined property. Further development will be going on in AttrDef and CSSDefinition.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@223 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2006-08-12 20:22:09 +00:00
parent df52406a88
commit 7c86e3cc0f
9 changed files with 91 additions and 3 deletions
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35
library/HTMLPurifier/AttrDef/CSS.php Normal file
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<?php
require_once 'HTMLPurifier/AttrDef.php';
require_once 'HTMLPurifier/CSSDefinition.php';
class HTMLPurifier_AttrDef_CSS
{
function validate($css, $config, &$context) {
$definition = HTMLPurifier_CSSDefinition::instance();
// we're going to break the spec and explode by semicolons.
// This is because semicolon rarely appears in escaped form
$declarations = explode(';', $css);
$new_declarations = '';
foreach ($declarations as $declaration) {
if (!$declaration) continue;
if (!strpos($declaration, ':')) continue;
list($property, $value) = explode(':', $declaration, 2);
if (!isset($definition->info[$property])) continue;
$result = $definition->info[$property]->validate($value,$config,$context);
if ($result === false) continue;
$new_declarations .= "$property:$result;";
}
return $new_declarations ? $new_declarations : false;
}
}
?>