FM / ChildDef

/home/techb158/immovalet.com/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/

/home/techb158/immovalet.com/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef

Name	Size	Mode	Actions
Chameleon.php	1898	0644	edit dl rm
Custom.php	2733	0644	edit dl rm
Empty.php	866	0644	edit dl rm
List.php	3013	0644	edit dl rm
Optional.php	1209	0644	edit dl rm
Required.php	3350	0644	edit dl rm
StrictBlockquote.php	2914	0644	edit dl rm
Table.php	7128	0644	edit dl rm

Edit: /home/techb158/immovalet.com/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Required.php (3350B)

<?php

/**
 * Definition that allows a set of elements, but disallows empty children.
 */
class HTMLPurifier_ChildDef_Required extends HTMLPurifier_ChildDef
{
    /**
     * Lookup table of allowed elements.
     * @type array
     */
    public $elements = array();

/**
     * Whether or not the last passed node was all whitespace.
     * @type bool
     */
    protected $whitespace = false;

/**
     * @param array|string $elements List of allowed element names (lowercase).
     */
    public function __construct($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;
    }

/**
     * @type bool
     */
    public $allow_empty = false;

/**
     * @type string
     */
    public $type = 'required';

/**
     * @param array $children
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return array
     */
    public function validateChildren($children, $config, $context)
    {
        // Flag for subclasses
        $this->whitespace = false;

// if there are no tokens, delete parent node
        if (empty($children)) {
            return false;
        }

// the new set of children
        $result = array();

// 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;

$stack = array_reverse($children);
        while (!empty($stack)) {
            $node = array_pop($stack);
            if (!empty($node->is_whitespace)) {
                $result[] = $node;
                continue;
            }
            $all_whitespace = false; // phew, we're not talking about whitespace

if (!isset($this->elements[$node->name])) {
                // special case text
                // XXX One of these ought to be redundant or something
                if ($pcdata_allowed && $node instanceof HTMLPurifier_Node_Text) {
                    $result[] = $node;
                    continue;
                }
                // spill the child contents in
                // ToDo: Make configurable
                if ($node instanceof HTMLPurifier_Node_Element) {
                    for ($i = count($node->children) - 1; $i >= 0; $i--) {
                        $stack[] = $node->children[$i];
                    }
                    continue;
                }
                continue;
            }
            $result[] = $node;
        }
        if (empty($result)) {
            return false;
        }
        if ($all_whitespace) {
            $this->whitespace = true;
            return false;
        }
        return $result;
    }
}

// vim: et sw=4 sts=4

cmd: