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MDL-23097 latest htmlpurifier 4.1.1

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This commit is contained in:
Petr Skoda 2010-07-05 21:09:54 +00:00
parent 616861ff34
commit 2e23ad80c4
11 changed files with 94 additions and 60 deletions
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36
lib/htmlpurifier/HTMLPurifier/AttrDef.php
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@ -82,6 +82,42 @@ abstract class HTMLPurifier_AttrDef
return preg_replace('/rgb\((\d+)\s*,\s*(\d+)\s*,\s*(\d+)\)/', 'rgb(\1,\2,\3)', $string);
}
/**
* Parses a possibly escaped CSS string and returns the "pure"
* version of it.
*/
protected function expandCSSEscape($string) {
// flexibly parse it
$ret = '';
for ($i = 0, $c = strlen($string); $i < $c; $i++) {
if ($string[$i] === '\\') {
$i++;
if ($i >= $c) {
$ret .= '\\';
break;
}
if (ctype_xdigit($string[$i])) {
$code = $string[$i];
for ($a = 1, $i++; $i < $c && $a < 6; $i++, $a++) {
if (!ctype_xdigit($string[$i])) break;
$code .= $string[$i];
}
// We have to be extremely careful when adding
// new characters, to make sure we're not breaking
// the encoding.
$char = HTMLPurifier_Encoder::unichr(hexdec($code));
if (HTMLPurifier_Encoder::cleanUTF8($char) === '') continue;
$ret .= $char;
if ($i < $c && trim($string[$i]) !== '') $i--;
continue;
}
if ($string[$i] === "\n") continue;
}
$ret .= $string[$i];
}
return $ret;
}
}
// vim: et sw=4 sts=4