1<?php
2
3/**
4 * XHTML 1.1 Image Module provides basic image embedding.
5 * @note There is specialized code for removing empty images in
6 *       HTMLPurifier_Strategy_RemoveForeignElements
7 */
8class HTMLPurifier_HTMLModule_Image extends HTMLPurifier_HTMLModule
9{
10
11    /**
12     * @type string
13     */
14    public $name = 'Image';
15
16    /**
17     * @param HTMLPurifier_Config $config
18     */
19    public function setup($config)
20    {
21        $max = $config->get('HTML.MaxImgLength');
22        $img = $this->addElement(
23            'img',
24            'Inline',
25            'Empty',
26            'Common',
27            array(
28                'alt*' => 'Text',
29                // According to the spec, it's Length, but percents can
30                // be abused, so we allow only Pixels.
31                'height' => 'Pixels#' . $max,
32                'width' => 'Pixels#' . $max,
33                'longdesc' => 'URI',
34                'src*' => new HTMLPurifier_AttrDef_URI(true), // embedded
35            )
36        );
37        if ($max === null || $config->get('HTML.Trusted')) {
38            $img->attr['height'] =
39            $img->attr['width'] = 'Length';
40        }
41
42        // kind of strange, but splitting things up would be inefficient
43        $img->attr_transform_pre[] =
44        $img->attr_transform_post[] =
45            new HTMLPurifier_AttrTransform_ImgRequired();
46    }
47}
48
49// vim: et sw=4 sts=4
50