vendor/ezyang/htmlpurifier/library/HTMLPurifier/Printer.php

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<?php

// OUT OF DATE, NEEDS UPDATING!
// USE XMLWRITER!

class HTMLPurifier_Printer
{

    /**
     * For HTML generation convenience funcs.
     * @type HTMLPurifier_Generator
     */
    protected $generator;

    /**
     * For easy access.
     * @type HTMLPurifier_Config
     */
    protected $config;

    /**
     * Initialize $generator.
     */
    public function __construct()
    {
    }

    /**
     * Give generator necessary configuration if possible
     * @param HTMLPurifier_Config $config
     */
    public function prepareGenerator($config)
    {
        $all = $config->getAll();
        $context = new HTMLPurifier_Context();
        $this->generator = new HTMLPurifier_Generator($config, $context);
    }

    /**
     * Main function that renders object or aspect of that object
     * @note Parameters vary depending on printer
     */
    // function render() {}

    /**
     * Returns a start tag
     * @param string $tag Tag name
     * @param array $attr Attribute array
     * @return string
     */
    protected function start($tag, $attr = array())
    {
        return $this->generator->generateFromToken(
            new HTMLPurifier_Token_Start($tag, $attr ? $attr : array())
        );
    }

    /**
     * Returns an end tag
     * @param string $tag Tag name