Proyectos de Subversion Moodle

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<?php
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/**
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 * Takes the contents of blockquote when in strict and reformats for validation.
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 */
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class HTMLPurifier_ChildDef_StrictBlockquote extends HTMLPurifier_ChildDef_Required
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{
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    /**
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     * @type array
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     */
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    protected $real_elements;
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    /**
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     * @type array
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     */
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    protected $fake_elements;
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    /**
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     * @type bool
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     */
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    public $allow_empty = true;
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    /**
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     * @type string
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     */
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    public $type = 'strictblockquote';
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    /**
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     * @type bool
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     */
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    protected $init = false;
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    /**
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     * @param HTMLPurifier_Config $config
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     * @return array
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     * @note We don't want MakeWellFormed to auto-close inline elements since
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     *       they might be allowed.
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     */
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    public function getAllowedElements($config)
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    {
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        $this->init($config);
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        return $this->fake_elements;
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    }
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    /**
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     * @param array $children
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     * @param HTMLPurifier_Config $config
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     * @param HTMLPurifier_Context $context
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     * @return array
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     */
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    public function validateChildren($children, $config, $context)
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    {
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        $this->init($config);
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        // trick the parent class into thinking it allows more
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        $this->elements = $this->fake_elements;
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        $result = parent::validateChildren($children, $config, $context);
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        $this->elements = $this->real_elements;
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        if ($result === false) {
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            return array();
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        }
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        if ($result === true) {
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            $result = $children;
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        }
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        $def = $config->getHTMLDefinition();
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        $block_wrap_name = $def->info_block_wrapper;
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        $block_wrap = false;
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        $ret = array();
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        foreach ($result as $node) {
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            if ($block_wrap === false) {
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                if (($node instanceof HTMLPurifier_Node_Text && !$node->is_whitespace) ||
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                    ($node instanceof HTMLPurifier_Node_Element && !isset($this->elements[$node->name]))) {
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                        $block_wrap = new HTMLPurifier_Node_Element($def->info_block_wrapper);
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                        $ret[] = $block_wrap;
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                }
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            } else {
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                if ($node instanceof HTMLPurifier_Node_Element && isset($this->elements[$node->name])) {
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                    $block_wrap = false;
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                }
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            }
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            if ($block_wrap) {
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                $block_wrap->children[] = $node;
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            } else {
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                $ret[] = $node;
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            }
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        }
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        return $ret;
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    }
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    /**
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     * @param HTMLPurifier_Config $config
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     */
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    private function init($config)
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    {
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        if (!$this->init) {
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            $def = $config->getHTMLDefinition();
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            // allow all inline elements
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            $this->real_elements = $this->elements;
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            $this->fake_elements = $def->info_content_sets['Flow'];
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            $this->fake_elements['#PCDATA'] = true;
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            $this->init = true;
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        }
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    }
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}
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// vim: et sw=4 sts=4