Revert "remove htmlpurifier"

This reverts commit c21a462d52bd32737c32c29b060da03b38f1c2e6.

1 files changed, 21 insertions, 0 deletions

diff --git a/lib/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/FrameTarget.php b/lib/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/FrameTarget.php
new file mode 100644
index 000000000..ae6ea7c01
--- /dev/null
+++ b/lib/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/FrameTarget.php
@@ -0,0 +1,21 @@
+<?php
+
+/**
+ * Special-case enum attribute definition that lazy loads allowed frame targets
+ */
+class HTMLPurifier_AttrDef_HTML_FrameTarget extends HTMLPurifier_AttrDef_Enum
+{
+
+    public $valid_values = false; // uninitialized value
+    protected $case_sensitive = false;
+
+    public function __construct() {}
+
+    public function validate($string, $config, $context) {
+        if ($this->valid_values === false) $this->valid_values = $config->get('Attr.AllowedFrameTargets');
+        return parent::validate($string, $config, $context);
+    }
+
+}
+
+// vim: et sw=4 sts=4