<?php

namespace Qs;

use Qs_View;

class Html
{
    public static function renderAttribs(array $attribs)
    {
        $xhtml = '';
        $enc   = Qs_View::getInstance()->getEncoding();
        foreach ((array) $attribs as $key => $val) {
            $key = htmlspecialchars($key, ENT_COMPAT, $enc);
            if (is_array($val)) {
                if (array_key_exists('callback', $val)
                    && is_callable($val['callback'])
                ) {
                    $val = call_user_func($val['callback']);
                } else {
                    $val = implode(' ', $val);
                }
            }
            $val    = htmlspecialchars($val, ENT_COMPAT, $enc);
            $xhtml .= " $key=\"$val\"";
        }
        return $xhtml;
    }

    public static function renderContainer($tag, $content, array $attribs = array())
    {
        return '<' . $tag . self::renderAttribs($attribs) . '>' . $content . '</' . $tag . '>';
    }
}