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authorMike Macgirvin <mike@macgirvin.com>2010-09-08 20:14:17 -0700
committerMike Macgirvin <mike@macgirvin.com>2010-09-08 20:14:17 -0700
commitffb1997902facb36b78a7cfa522f41f2b3d71cda (patch)
treee9fe47acf26c5fd2c742677f2610b60d3008eb26 /library/HTMLPurifier/ChildDef.php
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mistpark 2.0 infrasturcture lands
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+<?php
+
+/**
+ * Defines allowed child nodes and validates tokens against it.
+ */
+abstract class HTMLPurifier_ChildDef
+{
+ /**
+ * Type of child definition, usually right-most part of class name lowercase.
+ * Used occasionally in terms of context.
+ */
+ public $type;
+
+ /**
+ * Bool that indicates whether or not an empty array of children is okay
+ *
+ * This is necessary for redundant checking when changes affecting
+ * a child node may cause a parent node to now be disallowed.
+ */
+ public $allow_empty;
+
+ /**
+ * Lookup array of all elements that this definition could possibly allow
+ */
+ public $elements = array();
+
+ /**
+ * Get lookup of tag names that should not close this element automatically.
+ * All other elements will do so.
+ */
+ public function getAllowedElements($config) {
+ return $this->elements;
+ }
+
+ /**
+ * Validates nodes according to definition and returns modification.
+ *
+ * @param $tokens_of_children Array of HTMLPurifier_Token
+ * @param $config HTMLPurifier_Config object
+ * @param $context HTMLPurifier_Context object
+ * @return bool true to leave nodes as is
+ * @return bool false to remove parent node
+ * @return array of replacement child tokens
+ */
+ abstract public function validateChildren($tokens_of_children, $config, $context);
+}
+
+// vim: et sw=4 sts=4