movim/lib/XMPPtoForm.php

<?php

class XMPPtoForm
{
    private $fieldset;
    private $xmpp;
    private $stanza;
    private $html;

    public function __construct()
    {
        $this->fieldset = 0;
        $this->html = new \DOMDocument('1.0', 'UTF-8');
        $this->xmpp = '';
    }

    public function getHTML(\SimpleXMLElement $xmpp, $stanza = false)
    {
        $this->xmpp = $xmpp;
        $this->stanza = $stanza;
        $this->create();
        return $this->html->saveHTML();
    }

    public function getArray($xmpp)
    {
        $array = [];

        foreach ($xmpp->children() as $element) {
            $array[(string)$element->attributes()->var] = (string)$element->value;
        }

        return $array;
    }

    public function create()
    {
        foreach ($this->xmpp->children() as $element) {
            switch ($element->getName()) {
                case 'title':
                    $this->outTitle($element);
                    break;
                case 'instructions':
                    $this->outP($element);
                    break;
                case 'field':
                    if (isset($element->media)
                    && (string)$element->media->attributes()->xmlns == 'urn:xmpp:media-element'
                    && isset($element->media->uri)) {
                        $uri = parse_url($element->media->uri);
                        switch ($uri['scheme']) {
                            case 'cid':
                                foreach ($this->stanza->xpath('//data[@cid=\''.$uri['path'].'\']') as $data) {
                                    $this->outImage('data:'.$data->attributes()->type.';base64,'.(string)$data);
                                }
                                break;
                            case 'http':
                            case 'https':
                                $this->outImage($uri);
                                break;
                        }
                    }

                    if (isset($element->attributes()->type)) {
                        switch ($element->attributes()->type) {
                            case 'boolean':
                                $this->outCheckbox($element);
                                break;
                            case 'text-single':
                                $this->outInput($element, '');
                                break;
                            case 'text-multi':
                                $this->outTextarea($element);
                                break;
                            case 'text-private':
                                $this->outInput($element, 'password');
                                break;
                            case 'hidden':
                                $this->outHiddeninput($element);
                                break;
                            case 'list-multi':
                                //$this->outList($element);
                                break;
                            case 'list-single':
                                $this->outList($element);
                                break;
                            case 'jid-multi':
                                $this->outInput($element, 'email');
                                break;
                            case 'jid-single':
                                $this->outInput($element, 'email');
                                break;
                            case 'fixed':
                                $this->outP((string)$element->value);
                                break;
                            default:
                                $this->outInput($element, 'text');
                                break;
                        }
                    }
                    break;
                case 'url':
                    break;
                case 'username':
                case 'email':
                case 'password':
                        $this->outGeneric($element->getName());
                    break;
                default:
                    //$this->html .= '';
            }
        }
    }

    private function outGeneric($s)
    {
        $div = $this->html->createElement('div');
        $div->setAttribute('class', 'element');
        $this->html->appendChild($div);

        $input = $this->html->createElement('input');
        $input->setAttribute('type', $s);
        $input->setAttribute('id', $s);
        $input->setAttribute('name', 'generic_'.$s);
        $input->setAttribute('required', 'required');

        $div->appendChild($input);

        $label = $this->html->createElement('label', $s);
        $label->setAttribute('for', $s);
        $div->appendChild($label);
    }

    private function outTitle($s)
    {
        $title = $this->html->createElement('h3', $s);
        $this->html->appendChild($title);
    }

    private function outImage(string $src)
    {
        $div = $this->html->createElement('div');
        $img = $this->html->createElement('img');
        $img->setAttribute('src', $src);
        $div->appendChild($img);
        $this->html->appendChild($div);
    }

    private function outP($s)
    {
        $div = $this->html->createElement('div');
        $p = $this->html->createElement('p', $s);
        $div->appendChild($p);
        $this->html->appendChild($div);
    }

    private function outUrl($s)
    {
        $a = $this->html->createElement('a', $s->getName());
        $a->setAttribute('href', $s->getName());
        $this->html->appendChild($a);
    }

    private function outCheckbox($s)
    {
        $container = $this->html->createElement('div');
        $this->html->appendChild($container);

        $div = $this->html->createElement('div');
        $div->setAttribute('class', 'select');
        $container->appendChild($div);

        $select = $this->html->createElement('select');
        $select->setAttribute('type', $s['type']);
        $select->setAttribute('label', $s['label']);
        $select->setAttribute('id', $s['var']);
        $select->setAttribute('name', $s['var']);

        if ($s->required) {
            $select->setAttribute('required', 'required');
        }

        $div->appendChild($select);

        $option = $this->html->createElement('option', __('button.bool_yes'));
        $option->setAttribute('value', 'true');

        if (isset($s->value) || $s->value == 'true' || $s->value == '1') {
            $option->setAttribute('selected', 'selected');
        }

        $select->appendChild($option);

        $option = $this->html->createElement('option', __('button.bool_no'));
        $option->setAttribute('value', 'false');

        if (!isset($s->value) || $s->value == 'false' || $s->value == '0') {
            $option->setAttribute('selected', 'selected');
        }

        $select->appendChild($option);

        $label = $this->html->createElement('label', $s['label']);
        $label->setAttribute('for', $s['var']);
        $label->setAttribute('title', $s['label']);
        $container->appendChild($label);
    }

    private function outTextarea($s)
    {
        $container = $this->html->createElement('div');
        $this->html->appendChild($container);

        $textarea = $this->html->createElement('textarea');
        $textarea->setAttribute('type', $s['type']);
        $textarea->setAttribute('label', $s['label']);
        $textarea->setAttribute('id', $s['var']);
        $textarea->setAttribute('name', $s['var']);

        if ($s->required) {
            $textarea->setAttribute('required', 'required');
        }

        foreach ($s->children() as $value) {
            if ($value->getName() == 'value') {
                $textarea->nodeValue .= $value . "\n";
            }
        }

        if (empty($textarea->nodeValue)) {
            $textarea->nodeValue = ' ';
        }

        $container->appendChild($textarea);

        $label = $this->html->createElement('label', $s['label']);
        $label->setAttribute('for', $s['var']);
        $label->setAttribute('title', $s['label']);
        $container->appendChild($label);
    }

    private function outInput($s, $type = false)
    {
        $container = $this->html->createElement('div');
        $this->html->appendChild($container);

        $input = $this->html->createElement('input');
        $input->setAttribute('id', $s['var']);
        $input->setAttribute('name', $s['var']);
        $input->setAttribute('type', $type);
        $input->setAttribute('title', $s->desc);

        if ($type) {
            $input->setAttribute('type', $type);
        } else {
            $input->setAttribute('type', $s['type']);
        }

        $input->setAttribute('label', $s['label']);

        if ($s->required) {
            $input->setAttribute('required', 'required');
        }

        foreach ($s->children() as $value) {
            if ($value->getName() == 'value') {
                $input->setAttribute('value', $value);
            }
        }

        if ($s['var'] == 'username') {
            $input->setAttribute('pattern', '[a-z0-9_-]*');
        }

        $container->appendChild($input);

        $label = $this->html->createElement('label', $s['label']);
        $label->setAttribute('for', $s['var']);
        $label->setAttribute('title', $s['label']);
        $container->appendChild($label);
    }

    private function outHiddeninput($s)
    {
        $input = $this->html->createElement('input');
        $input->setAttribute('name', $s['var']);
        $input->setAttribute('type', 'hidden');
        $input->setAttribute('value', $s->value);

        $this->html->appendChild($input);
    }

    private function outList($s)
    {
        $container = $this->html->createElement('div');
        $this->html->appendChild($container);

        $div = $this->html->createElement('div');
        $div->setAttribute('class', 'select');
        $container->appendChild($div);

        $select = $this->html->createElement('select');
        $select->setAttribute('type', $s['type']);
        $select->setAttribute('label', $s['label']);
        $select->setAttribute('id', $s['var']);
        $select->setAttribute('name', $s['var']);

        if ($s->required) {
            $select->setAttribute('required', 'required');
        }

        $div->appendChild($select);

        if (count($s->xpath('option')) > 0) {
            if (count($s->xpath('option')) == 1) {
                $select->setAttribute('disabled', 'disabled');
            }

            foreach ($s->option as $option) {
                if (isset($option->attributes()->label)) {
                    $opt = $this->html->createElement('option', $option->attributes()->label);
                } else {
                    $opt = $this->html->createElement('option', $option->value);
                }

                $opt->setAttribute('value', $option->value);
                if (
                    in_array(
                        (string)$option->value,
                        array_map(
                            function ($sxml) {
                                return (string)$sxml;
                            },
                            $s->xpath('value')
                        )
                    )
                ) {
                    $opt->setAttribute('selected', 'selected');
                }
                $select->appendChild($opt);
            }
        } else {
            foreach ($s->value as $option) {
                $label = $option['label'];
                $option = $this->html->createElement('option', $option);
                $option->setAttribute('value', $label);
                $option->setAttribute('selected', 'selected');
                $select->appendChild($option);
            }
        }

        $label = $this->html->createElement('label', $s['label']);
        $label->setAttribute('for', $s['var']);
        $label->setAttribute('title', $s['label']);
        $container->appendChild($label);
    }
}

class FormtoXMPP
{
    private $_form;
    private $_inputs;

    public function __construct($inputs)
    {
        $this->_form = new \DOMDocument('1.0', 'UTF-8');
        $this->_inputs = $inputs;
    }

    public function appendToX(\DomDocument $dom)
    {
        $fields = $this->_form->getElementsByTagName('field');
        $list = $dom->getElementsByTagName('x');

        foreach ($fields as $field) {
            $field = $dom->importNode($field, true);
            $list[0]->appendChild($field);
        }
    }

    public function create()
    {
        foreach ($this->_inputs as $key => $value) {
            $container = $this->_form->createElement('container');
            $this->_form->appendChild($container);

            $field = $this->_form->createElement('field');
            $container->appendChild($field);

            $val = $this->_form->createElement('value');
            $field->appendChild($val);

            if ($value->value === 'true') {
                $val->nodeValue = '1';
            }

            if ($value->value === 'false') {
                $val->nodeValue = '0';
            }

            if (is_bool($value->value)) {
                $val->nodeValue = ($value) ? '1' : '0';
            }

            if (empty($val->nodeValue)
                && $value !== 'false' // WTF PHP !!!
            ) {
                $val->nodeValue = trim($value->value);
            }

            $field->setAttribute('var', trim($key));
        }

        return $this->_form->saveXML();
    }
}