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<?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\ChoiceView;
use Symfony\Component\Form\FormView;
use Twig\Extension\AbstractExtension;
use Twig\TokenParser\TokenParserInterface;
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 since Symfony 4.4
*/
class FormExtension extends AbstractExtension
{
/**
* {@inheritdoc}
*
* @return TokenParserInterface[]
*/
public function getTokenParsers()
{
return [
// {% form_theme form "SomeBundle::widgets.twig" %}
new FormThemeTokenParser(),
];
}
/**
* {@inheritdoc}
*
* @return TwigFunction[]
*/
public function getFunctions()
{
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'),
];
}
/**
* {@inheritdoc}
*
* @return TwigFilter[]
*/
public function getFilters()
{
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}
*
* @return TwigTest[]
*/
public function getTests()
{
return [
new TwigTest('selectedchoice', 'Symfony\Bridge\Twig\Extension\twig_is_selected_choice'),
new TwigTest('rootform', 'Symfony\Bridge\Twig\Extension\twig_is_root_form'),
];
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'form';
}
}
/**
* 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
*
* @return bool Whether the choice is selected
*
* @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;
}