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Implement list-style shorthand. Also, updated devnetwork.html with more recent threads.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@337 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2006-08-29 02:01:58 +00:00
parent 784e7356d1
commit 670d298a87
9 changed files with 199 additions and 88 deletions
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78
library/HTMLPurifier/AttrDef/ListStyle.php Normal file
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<?php
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.
*/
class HTMLPurifier_AttrDef_ListStyle extends HTMLPurifier_AttrDef
{
/**
* Local copy of component validators.
* @note See HTMLPurifier_AttrDef_Font::$info for a similar impl.
*/
var $info;
function HTMLPurifier_AttrDef_ListStyle() {
$def = HTMLPurifier_CSSDefinition::instance();
$this->info['list-style-type'] = $def->info['list-style-type'];
$this->info['list-style-position'] = $def->info['list-style-position'];
}
function validate($string, $config, &$context) {
// regular pre-processing
$string = $this->parseCDATA($string);
if ($string === '') return false;
$bits = explode(' ', strtolower($string)); // bits to process
$caught_type = false;
$caught_position = false;
$caught_none = false; // as in keyword none, which is in all of them
$ret = '';
foreach ($bits as $bit) {
if ($caught_none && ($caught_type || $caught_position)) break;
if ($caught_type && $caught_position) break;
if ($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;
}
}
$ret = rtrim($ret);
return $ret ? $ret : false;
}
}
?>