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Commit strict version of HTML Purifier.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk-strict@647 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2007-01-16 21:59:29 +00:00
parent a909632d2d
commit 2bf912d528
45 changed files with 1022 additions and 153 deletions
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71
library/HTMLPurifier/AttrDef/ListStyle.php
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@@ -4,8 +4,7 @@ require_once 'HTMLPurifier/AttrDef.php';
/**
* Validates shorthand CSS property list-style.
* @note This currently does not support list-style-image, as that functionality
* is not implemented yet elsewhere.
* @warning Does not support url tokens that have internal spaces.
*/
class HTMLPurifier_AttrDef_ListStyle extends HTMLPurifier_AttrDef
{
@@ -20,6 +19,7 @@ class HTMLPurifier_AttrDef_ListStyle extends HTMLPurifier_AttrDef
$def = $config->getCSSDefinition();
$this->info['list-style-type'] = $def->info['list-style-type'];
$this->info['list-style-position'] = $def->info['list-style-position'];
$this->info['list-style-image'] = $def->info['list-style-image'];
}
function validate($string, $config, &$context) {
@@ -28,48 +28,49 @@ class HTMLPurifier_AttrDef_ListStyle extends HTMLPurifier_AttrDef
$string = $this->parseCDATA($string);
if ($string === '') return false;
// assumes URI doesn't have spaces in it
$bits = explode(' ', strtolower($string)); // bits to process
$caught_type = false;
$caught_position = false;
$caught_none = false; // as in keyword none, which is in all of them
$caught = array();
$caught['type'] = false;
$caught['position'] = false;
$caught['image'] = false;
$ret = '';
$i = 0; // number of catches
$none = false;
foreach ($bits as $bit) {
if ($caught_none && ($caught_type || $caught_position)) break;
if ($caught_type && $caught_position) break;
if ($i >= 3) return; // optimization bit
if ($bit === '') continue;
if ($bit === 'none') {
if ($caught_none) continue;
$caught_none = true;
$ret .= 'none ';
continue;
}
// if we add anymore, roll it into a loop
$r = $this->info['list-style-type']->validate($bit, $config, $context);
if ($r !== false) {
if ($caught_type) continue;
$caught_type = true;
$ret .= $r . ' ';
continue;
}
$r = $this->info['list-style-position']->validate($bit, $config, $context);
if ($r !== false) {
if ($caught_position) continue;
$caught_position = true;
$ret .= $r . ' ';
continue;
foreach ($caught as $key => $status) {
if ($status !== false) continue;
$r = $this->info['list-style-' . $key]->validate($bit, $config, $context);
if ($r === false) continue;
if ($r === 'none') {
if ($none) continue;
else $none = true;
if ($key == 'image') continue;
}
$caught[$key] = $r;
$i++;
}
}
$ret = rtrim($ret);
return $ret ? $ret : false;
if (!$i) return false;
$ret = array();
// construct type
if ($caught['type']) $ret[] = $caught['type'];
// construct image
if ($caught['image']) $ret[] = $caught['image'];
// construct position
if ($caught['position']) $ret[] = $caught['position'];
if (empty($ret)) return false;
return implode(' ', $ret);
}