Viewing file:  ConstraintVisitor.php (2.85 KB) -rw-r--r--
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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\Component\Translation\Extractor\Visitor;
use PhpParser\Node;
use PhpParser\NodeVisitor;
/**
* @author Mathieu Santostefano <msantostefano@protonmail.com>
*
* Code mostly comes from https://github.com/php-translation/extractor/blob/master/src/Visitor/Php/Symfony/Constraint.php
*/
final class ConstraintVisitor extends AbstractVisitor implements NodeVisitor
{
public function __construct(
private readonly array $constraintClassNames = []
) {
}
public function beforeTraverse(array $nodes): ?Node
{
return null;
}
public function enterNode(Node $node): ?Node
{
if (!$node instanceof Node\Expr\New_ && !$node instanceof Node\Attribute) {
return null;
}
$className = $node instanceof Node\Attribute ? $node->name : $node->class;
if (!$className instanceof Node\Name) {
return null;
}
$parts = $className->parts;
$isConstraintClass = false;
foreach ($parts as $part) {
if (\in_array($part, $this->constraintClassNames, true)) {
$isConstraintClass = true;
break;
}
}
if (!$isConstraintClass) {
return null;
}
$arg = $node->args[0] ?? null;
if (!$arg instanceof Node\Arg) {
return null;
}
if ($this->hasNodeNamedArguments($node)) {
$messages = $this->getStringArguments($node, '/message/i', true);
} else {
if (!$arg->value instanceof Node\Expr\Array_) {
// There is no way to guess which argument is a message to be translated.
return null;
}
$messages = [];
$options = $arg->value;
/** @var Node\Expr\ArrayItem $item */
foreach ($options->items as $item) {
if (!$item->key instanceof Node\Scalar\String_) {
continue;
}
if (false === stripos($item->key->value ?? '', 'message')) {
continue;
}
if (!$item->value instanceof Node\Scalar\String_) {
continue;
}
$messages[] = $item->value->value;
break;
}
}
foreach ($messages as $message) {
$this->addMessageToCatalogue($message, 'validators', $node->getStartLine());
}
return null;
}
public function leaveNode(Node $node): ?Node
{
return null;
}
public function afterTraverse(array $nodes): ?Node
{
return null;
}
}
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