Developer
<?php
/**
* XHTML 1.1 Forms module, defines all form-related elements found in HTML 4.
*/
class HTMLPurifier_HTMLModule_Forms extends HTMLPurifier_HTMLModule
{
/**
* @type string
*/
public $name = 'Forms';
/**
* @type bool
*/
public $safe = false;
/**
* @type array
*/
public $content_sets = array(
'Block' => 'Form',
'Inline' => 'Formctrl',
);
/**
* @param HTMLPurifier_Config $config
*/
public function setup($config)
{
if ($config->get('HTML.Forms')) {
$this->safe = true;
}
$form = $this->addElement(
'form',
'Form',
'Required: Heading | List | Block | fieldset',
'Common',
array(
'accept' => 'ContentTypes',
'accept-charset' => 'Charsets',
'action*' => 'URI',
'method' => 'Enum#get,post',
// really ContentType, but these two are the only ones used today
'enctype' => 'Enum#application/x-www-form-urlencoded,multipart/form-data',
)
);
$form->excludes = array('form' => true);
$input = $this->addElement(
'input',
'Formctrl',
'Empty',
'Common',
array(
'accept' => 'ContentTypes',
'accesskey' => 'Character',
'alt' => 'Text',
'checked' => 'Bool#checked',
'disabled' => 'Bool#disabled',
'maxlength' => 'Number',
'name' => 'CDATA',
'readonly' => 'Bool#readonly',
'size' => 'Number',
'src' => 'URI#embedded',
'tabindex' => 'Number',
'type' => 'Enum#text,password,checkbox,button,radio,submit,reset,file,hidden,image',
'value' => 'CDATA',
)
);
$input->attr_transform_post[] = new HTMLPurifier_AttrTransform_Input();
$this->addElement(
'select',
'Formctrl',
'Required: optgroup | option',
'Common',
array(
'disabled' => 'Bool#disabled',
'multiple' => 'Bool#multiple',
'name' => 'CDATA',
'size' => 'Number',
'tabindex' => 'Number',
)
);
$this->addElement(
'option',
false,
'Optional: #PCDATA',
'Common',
array(
'disabled' => 'Bool#disabled',
'label' => 'Text',
'selected' => 'Bool#selected',
'value' => 'CDATA',
)
);
// It's illegal for there to be more than one selected, but not
// be multiple. Also, no selected means undefined behavior. This might
// be difficult to implement; perhaps an injector, or a context variable.
$textarea = $this->addElement(
'textarea',
'Formctrl',
'Optional: #PCDATA',
'Common',
array(
'accesskey' => 'Character',
'cols*' => 'Number',
'disabled' => 'Bool#disabled',
'name' => 'CDATA',
'readonly' => 'Bool#readonly',
'rows*' => 'Number',
'tabindex' => 'Number',
)
);
$textarea->attr_transform_pre[] = new HTMLPurifier_AttrTransform_Textarea();
$button = $this->addElement(
'button',
'Formctrl',
'Optional: #PCDATA | Heading | List | Block | Inline',
'Common',
array(
'accesskey' => 'Character',
'disabled' => 'Bool#disabled',
'name' => 'CDATA',
'tabindex' => 'Number',
'type' => 'Enum#button,submit,reset',
'value' => 'CDATA',
)
);
// For exclusions, ideally we'd specify content sets, not literal elements
$button->excludes = $this->makeLookup(
'form',
'fieldset', // Form
'input',
'select',
'textarea',
'label',
'button', // Formctrl
'a', // as per HTML 4.01 spec, this is omitted by modularization
'isindex',
'iframe' // legacy items
);
// Extra exclusion: img usemap="" is not permitted within this element.
// We'll omit this for now, since we don't have any good way of
// indicating it yet.
// This is HIGHLY user-unfriendly; we need a custom child-def for this
$this->addElement('fieldset', 'Form', 'Custom: (#WS?,legend,(Flow|#PCDATA)*)', 'Common');
$label = $this->addElement(
'label',
'Formctrl',
'Optional: #PCDATA | Inline',
'Common',
array(
'accesskey' => 'Character',
// 'for' => 'IDREF', // IDREF not implemented, cannot allow
)
);
$label->excludes = array('label' => true);
$this->addElement(
'legend',
false,
'Optional: #PCDATA | Inline',
'Common',
array(
'accesskey' => 'Character',
)
);
$this->addElement(
'optgroup',
false,
'Required: option',
'Common',
array(
'disabled' => 'Bool#disabled',
'label*' => 'Text',
)
);
// Don't forget an injector for <isindex>. This one's a little complex
// because it maps to multiple elements.
}
}
// vim: et sw=4 sts=4
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