360kdw /plugins/vjCommentPlugin/lib/tools/htmlpurifier/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php

Language PHP Lines 61
MD5 Hash 29da73b24cb7b03d0bd80d105e56401a Estimated Cost $824 (why?)
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<?php

/**
 * Injector that removes spans with no attributes
 */
class HTMLPurifier_Injector_RemoveSpansWithoutAttributes extends HTMLPurifier_Injector
{
    public $name = 'RemoveSpansWithoutAttributes';
    public $needed = array('span');

    private $attrValidator;

    /**
     * Used by AttrValidator
     */
    private $config;
    private $context;

    public function prepare($config, $context) {
        $this->attrValidator = new HTMLPurifier_AttrValidator();
        $this->config = $config;
        $this->context = $context;
        return parent::prepare($config, $context);
    }

    public function handleElement(&$token) {
        if ($token->name !== 'span' || !$token instanceof HTMLPurifier_Token_Start) {
            return;
        }

        // We need to validate the attributes now since this doesn't normally
        // happen until after MakeWellFormed. If all the attributes are removed
        // the span needs to be removed too.
        $this->attrValidator->validateToken($token, $this->config, $this->context);
        $token->armor['ValidateAttributes'] = true;

        if (!empty($token->attr)) {
            return;
        }

        $nesting = 0;
        $spanContentTokens = array();
        while ($this->forwardUntilEndToken($i, $current, $nesting)) {}

        if ($current instanceof HTMLPurifier_Token_End && $current->name === 'span') {
            // Mark closing span tag for deletion
            $current->markForDeletion = true;
            // Delete open span tag
            $token = false;
        }
    }

    public function handleEnd(&$token) {
        if ($token->markForDeletion) {
            $token = false;
        }
    }
}

// vim: et sw=4 sts=4
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