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Implement simple attribute transformations and roll them out.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@152 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2006-08-04 00:11:54 +00:00
parent f0deae1fc0
commit 7d2bf08d2f
7 changed files with 41 additions and 9 deletions
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11
library/HTMLPurifier/AttrDef/ID.php
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@@ -6,9 +6,9 @@ require_once 'HTMLPurifier/IDAccumulator.php';
class HTMLPurifier_AttrDef_ID extends HTMLPurifier_AttrDef
{
function validate($id, &$accumulator) {
function validate($old_id, &$accumulator) {
$id = @ (string) $id; // sanity check
$id = trim($old_id); // trim it first
if ($id === '') return false;
if (isset($accumulator->ids[$id])) return false;
@@ -19,7 +19,7 @@ class HTMLPurifier_AttrDef_ID extends HTMLPurifier_AttrDef
$result = true;
} else {
if (!ctype_alpha(@$id[0])) return false;
$trim = trim(
$trim = trim( // primitive style of regexps, I suppose
$id,
'A..Za..z0..9:-._'
);
@@ -28,7 +28,10 @@ class HTMLPurifier_AttrDef_ID extends HTMLPurifier_AttrDef
if ($result) $accumulator->add($id);
return $result;
// if no change was made to the ID, return the result
// else, return the new id if stripping whitespace made it
// valid, or return false.
return ($id == $old_id) ? $result : ($result ? $id : false);
}