Symfony Profiler

<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bridge\Twig\Extension;
use Symfony\Bridge\Twig\TokenParser\FormThemeTokenParser;
use Symfony\Component\Form\ChoiceList\View\ChoiceGroupView;
use Symfony\Component\Form\ChoiceList\View\ChoiceView;
use Symfony\Component\Form\FormError;
use Symfony\Component\Form\FormView;
use Symfony\Contracts\Translation\TranslatorInterface;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
use Twig\TwigFunction;
use Twig\TwigTest;
/**
* FormExtension extends Twig with form capabilities.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Bernhard Schussek <bschussek@gmail.com>
*/
final class FormExtension extends AbstractExtension
{
private $translator;
public function __construct(TranslatorInterface $translator = null)
{
$this->translator = $translator;
}
/**
* {@inheritdoc}
*/
public function getTokenParsers(): array
{
return [
// {% form_theme form "SomeBundle::widgets.twig" %}
new FormThemeTokenParser(),
];
}
/**
* {@inheritdoc}
*/
public function getFunctions(): array
{
return [
new TwigFunction('form_widget', null, ['node_class' => 'Symfony\Bridge\Twig\Node\SearchAndRenderBlockNode', 'is_safe' => ['html']]),
new TwigFunction('form_errors', null, ['node_class' => 'Symfony\Bridge\Twig\Node\SearchAndRenderBlockNode', 'is_safe' => ['html']]),
new TwigFunction('form_label', null, ['node_class' => 'Symfony\Bridge\Twig\Node\SearchAndRenderBlockNode', 'is_safe' => ['html']]),
new TwigFunction('form_help', null, ['node_class' => 'Symfony\Bridge\Twig\Node\SearchAndRenderBlockNode', 'is_safe' => ['html']]),
new TwigFunction('form_row', null, ['node_class' => 'Symfony\Bridge\Twig\Node\SearchAndRenderBlockNode', 'is_safe' => ['html']]),
new TwigFunction('form_rest', null, ['node_class' => 'Symfony\Bridge\Twig\Node\SearchAndRenderBlockNode', 'is_safe' => ['html']]),
new TwigFunction('form', null, ['node_class' => 'Symfony\Bridge\Twig\Node\RenderBlockNode', 'is_safe' => ['html']]),
new TwigFunction('form_start', null, ['node_class' => 'Symfony\Bridge\Twig\Node\RenderBlockNode', 'is_safe' => ['html']]),
new TwigFunction('form_end', null, ['node_class' => 'Symfony\Bridge\Twig\Node\RenderBlockNode', 'is_safe' => ['html']]),
new TwigFunction('csrf_token', ['Symfony\Component\Form\FormRenderer', 'renderCsrfToken']),
new TwigFunction('form_parent', 'Symfony\Bridge\Twig\Extension\twig_get_form_parent'),
new TwigFunction('field_name', [$this, 'getFieldName']),
new TwigFunction('field_value', [$this, 'getFieldValue']),
new TwigFunction('field_label', [$this, 'getFieldLabel']),
new TwigFunction('field_help', [$this, 'getFieldHelp']),
new TwigFunction('field_errors', [$this, 'getFieldErrors']),
new TwigFunction('field_choices', [$this, 'getFieldChoices']),
];
}
/**
* {@inheritdoc}
*/
public function getFilters(): array
{
return [
new TwigFilter('humanize', ['Symfony\Component\Form\FormRenderer', 'humanize']),
new TwigFilter('form_encode_currency', ['Symfony\Component\Form\FormRenderer', 'encodeCurrency'], ['is_safe' => ['html'], 'needs_environment' => true]),
];
}
/**
* {@inheritdoc}
*/
public function getTests(): array
{
return [
new TwigTest('selectedchoice', 'Symfony\Bridge\Twig\Extension\twig_is_selected_choice'),
new TwigTest('rootform', 'Symfony\Bridge\Twig\Extension\twig_is_root_form'),
];
}
public function getFieldName(FormView $view): string
{
$view->setRendered();
return $view->vars['full_name'];
}
/**
* @return string|array
*/
public function getFieldValue(FormView $view)
{
return $view->vars['value'];
}
public function getFieldLabel(FormView $view): ?string
{
if (false === $label = $view->vars['label']) {
return null;
}
if (!$label && $labelFormat = $view->vars['label_format']) {
$label = str_replace(['%id%', '%name%'], [$view->vars['id'], $view->vars['name']], $labelFormat);
} elseif (!$label) {
$label = ucfirst(strtolower(trim(preg_replace(['/([A-Z])/', '/[_\s]+/'], ['_$1', ' '], $view->vars['name']))));
}
return $this->createFieldTranslation(
$label,
$view->vars['label_translation_parameters'] ?: [],
$view->vars['translation_domain']
);
}
public function getFieldHelp(FormView $view): ?string
{
return $this->createFieldTranslation(
$view->vars['help'],
$view->vars['help_translation_parameters'] ?: [],
$view->vars['translation_domain']
);
}
/**
* @return string[]
*/
public function getFieldErrors(FormView $view): iterable
{
/** @var FormError $error */
foreach ($view->vars['errors'] as $error) {
yield $error->getMessage();
}
}
/**
* @return string[]|string[][]
*/
public function getFieldChoices(FormView $view): iterable
{
yield from $this->createFieldChoicesList($view->vars['choices'], $view->vars['choice_translation_domain']);
}
private function createFieldChoicesList(iterable $choices, $translationDomain): iterable
{
foreach ($choices as $choice) {
$translatableLabel = $this->createFieldTranslation($choice->label, [], $translationDomain);
if ($choice instanceof ChoiceGroupView) {
yield $translatableLabel => $this->createFieldChoicesList($choice, $translationDomain);
continue;
}
/* @var ChoiceView $choice */
yield $translatableLabel => $choice->value;
}
}
private function createFieldTranslation(?string $value, array $parameters, $domain): ?string
{
if (!$this->translator || !$value || false === $domain) {
return $value;
}
return $this->translator->trans($value, $parameters, $domain);
}
}
/**
* Returns whether a choice is selected for a given form value.
*
* This is a function and not callable due to performance reasons.
*
* @param string|array $selectedValue The selected value to compare
*
* @see ChoiceView::isSelected()
*/
function twig_is_selected_choice(ChoiceView $choice, $selectedValue): bool
{
if (\is_array($selectedValue)) {
return \in_array($choice->value, $selectedValue, true);
}
return $choice->value === $selectedValue;
}
/**
* @internal
*/
function twig_is_root_form(FormView $formView): bool
{
return null === $formView->parent;
}
/**
* @internal
*/
function twig_get_form_parent(FormView $formView): ?FormView
{
return $formView->parent;
}

vendor/symfony/twig-bridge/Extension/FormExtension.php line 35