Input.php

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<?php
 
class HTMLPurifier_AttrTransform_Input extends HTMLPurifier_AttrTransform
{
    protected $pixels;
 
    public function __construct()
    {
        $this->pixels = new HTMLPurifier_AttrDef_HTML_Pixels();
    }
 
    public function transform($attr, $config, $context)
    {
        if (!isset($attr['type'])) {
            $t = 'text';
        } else {
            $t = strtolower($attr['type']);
        }
        if (isset($attr['checked']) && $t !== 'radio' && $t !== 'checkbox') {
            unset($attr['checked']);
        }
        if (isset($attr['maxlength']) && $t !== 'text' && $t !== 'password') {
            unset($attr['maxlength']);
        }
        if (isset($attr['size']) && $t !== 'text' && $t !== 'password') {
            $result = $this->pixels->validate($attr['size'], $config, $context);
            if ($result === false) {
                unset($attr['size']);
            } else {
                $attr['size'] = $result;
            }
        }
        if (isset($attr['src']) && $t !== 'image') {
            unset($attr['src']);
        }
        if (!isset($attr['value']) && ($t === 'radio' || $t === 'checkbox')) {
            $attr['value'] = '';
        }
        return $attr;
    }
}
 
// vim: et sw=4 sts=4