1 files changed, 0 insertions, 117 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/ChildDef/Required.php b/lib/htmlpurifier/library/HTMLPurifier/ChildDef/Required.php
deleted file mode 100644
index 4889f249b..000000000
--- a/lib/htmlpurifier/library/HTMLPurifier/ChildDef/Required.php
+++ /dev/null
@@ -1,117 +0,0 @@
-<?php
-
-/**
- * Definition that allows a set of elements, but disallows empty children.
- */
-class HTMLPurifier_ChildDef_Required extends HTMLPurifier_ChildDef
-{
-    /**
-     * Lookup table of allowed elements.
-     * @public
-     */
-    public $elements = array();
-    /**
-     * Whether or not the last passed node was all whitespace.
-     */
-    protected $whitespace = false;
-    /**
-     * @param $elements List of allowed element names (lowercase).
-     */
-    public function __construct($elements) {
-        if (is_string($elements)) {
-            $elements = str_replace(' ', '', $elements);
-            $elements = explode('|', $elements);
-        }
-        $keys = array_keys($elements);
-        if ($keys == array_keys($keys)) {
-            $elements = array_flip($elements);
-            foreach ($elements as $i => $x) {
-                $elements[$i] = true;
-                if (empty($i)) unset($elements[$i]); // remove blank
-            }
-        }
-        $this->elements = $elements;
-    }
-    public $allow_empty = false;
-    public $type = 'required';
-    public function validateChildren($tokens_of_children, $config, $context) {
-        // Flag for subclasses
-        $this->whitespace = false;
-
-        // if there are no tokens, delete parent node
-        if (empty($tokens_of_children)) return false;
-
-        // the new set of children
-        $result = array();
-
-        // current depth into the nest
-        $nesting = 0;
-
-        // whether or not we're deleting a node
-        $is_deleting = false;
-
-        // whether or not parsed character data is allowed
-        // this controls whether or not we silently drop a tag
-        // or generate escaped HTML from it
-        $pcdata_allowed = isset($this->elements['#PCDATA']);
-
-        // a little sanity check to make sure it's not ALL whitespace
-        $all_whitespace = true;
-
-        // some configuration
-        $escape_invalid_children = $config->get('Core.EscapeInvalidChildren');
-
-        // generator
-        $gen = new HTMLPurifier_Generator($config, $context);
-
-        foreach ($tokens_of_children as $token) {
-            if (!empty($token->is_whitespace)) {
-                $result[] = $token;
-                continue;
-            }
-            $all_whitespace = false; // phew, we're not talking about whitespace
-
-            $is_child = ($nesting == 0);
-
-            if ($token instanceof HTMLPurifier_Token_Start) {
-                $nesting++;
-            } elseif ($token instanceof HTMLPurifier_Token_End) {
-                $nesting--;
-            }
-
-            if ($is_child) {
-                $is_deleting = false;
-                if (!isset($this->elements[$token->name])) {
-                    $is_deleting = true;
-                    if ($pcdata_allowed && $token instanceof HTMLPurifier_Token_Text) {
-                        $result[] = $token;
-                    } elseif ($pcdata_allowed && $escape_invalid_children) {
-                        $result[] = new HTMLPurifier_Token_Text(
-                            $gen->generateFromToken($token)
-                        );
-                    }
-                    continue;
-                }
-            }
-            if (!$is_deleting || ($pcdata_allowed && $token instanceof HTMLPurifier_Token_Text)) {
-                $result[] = $token;
-            } elseif ($pcdata_allowed && $escape_invalid_children) {
-                $result[] =
-                    new HTMLPurifier_Token_Text(
-                        $gen->generateFromToken($token)
-                    );
-            } else {
-                // drop silently
-            }
-        }
-        if (empty($result)) return false;
-        if ($all_whitespace) {
-            $this->whitespace = true;
-            return false;
-        }
-        if ($tokens_of_children == $result) return true;
-        return $result;
-    }
-}
-
-// vim: et sw=4 sts=4