--- /dev/null
+<?php
+
+/**
+ * Property list iterator. Do not instantiate this class directly.
+ */
+class HTMLPurifier_PropertyListIterator extends FilterIterator
+{
+
+ /**
+ * @type int
+ */
+ protected $l;
+ /**
+ * @type string
+ */
+ protected $filter;
+
+ /**
+ * @param Iterator $iterator Array of data to iterate over
+ * @param string $filter Optional prefix to only allow values of
+ */
+ public function __construct(Iterator $iterator, $filter = null)
+ {
+ parent::__construct($iterator);
+ $this->l = strlen($filter);
+ $this->filter = $filter;
+ }
+
+ /**
+ * @return bool
+ */
+ public function accept()
+ {
+ $key = $this->getInnerIterator()->key();
+ if (strncmp($key, $this->filter, $this->l) !== 0) {
+ return false;
+ }
+ return true;
+ }
+}
+
+// vim: et sw=4 sts=4