From 6854cb3f4d8219cf1829e32122eb2502a916eae9 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sat, 1 Feb 2020 09:05:48 +0100
Subject: initial checkin

---
 .../library/HTMLPurifier/HTMLModule/Forms.php      | 190 +++++++++++++++++++++
 1 file changed, 190 insertions(+)
 create mode 100644 vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Forms.php

(limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Forms.php')

diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Forms.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Forms.php
new file mode 100644
index 0000000..6f7ddbc
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Forms.php
@@ -0,0 +1,190 @@
+<?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)
+    {
+        $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
-- 
cgit v1.2.3-70-g09d2