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<?php |
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/* |
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* This file is part of the API Platform project. |
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* |
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* (c) Kévin Dunglas <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace ApiPlatform\Core\GraphQl\Type\Definition; |
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use GraphQL\Error\Error; |
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use GraphQL\Error\InvariantViolation; |
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use GraphQL\Language\AST\BooleanValueNode; |
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use GraphQL\Language\AST\FloatValueNode; |
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use GraphQL\Language\AST\IntValueNode; |
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use GraphQL\Language\AST\ListValueNode; |
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use GraphQL\Language\AST\ObjectValueNode; |
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use GraphQL\Language\AST\StringValueNode; |
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use GraphQL\Type\Definition\ScalarType; |
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use GraphQL\Utils\Utils; |
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/** |
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* Represents an iterable type. |
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* |
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* @experimental |
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* |
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* @author Alan Poulain <[email protected]> |
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*/ |
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final class IterableType extends ScalarType |
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{ |
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public $name = 'Iterable'; |
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public $description = 'The `Iterable` scalar type represents an array or a Traversable with any kind of data.'; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function serialize($value) |
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{ |
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// is_iterable |
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if (!(\is_array($value) || $value instanceof \Traversable)) { |
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throw new InvariantViolation(sprintf('Iterable cannot represent non iterable value: %s', Utils::printSafe($value))); |
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} |
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return $value; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parseValue($value) |
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{ |
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// is_iterable |
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if (!(\is_array($value) || $value instanceof \Traversable)) { |
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throw new Error(sprintf('Iterable cannot represent non iterable value: %s', Utils::printSafeJson($value))); |
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} |
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return $value; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parseLiteral($valueNode) |
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{ |
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if ($valueNode instanceof ObjectValueNode || $valueNode instanceof ListValueNode) { |
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return $this->parseIterableLiteral($valueNode); |
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} |
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return null; |
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} |
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/** |
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* @param StringValueNode|BooleanValueNode|IntValueNode|FloatValueNode|ObjectValueNode|ListValueNode $valueNode |
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*/ |
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private function parseIterableLiteral($valueNode) |
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{ |
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switch ($valueNode) { |
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case $valueNode instanceof StringValueNode: |
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case $valueNode instanceof BooleanValueNode: |
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return $valueNode->value; |
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case $valueNode instanceof IntValueNode: |
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return (int) $valueNode->value; |
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case $valueNode instanceof FloatValueNode: |
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return (float) $valueNode->value; |
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case $valueNode instanceof ObjectValueNode: |
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$value = []; |
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foreach ($valueNode->fields as $field) { |
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$value[$field->name->value] = $this->parseIterableLiteral($field->value); |
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} |
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return $value; |
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case $valueNode instanceof ListValueNode: |
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$list = []; |
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foreach ($valueNode->values as $value) { |
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$list[] = $this->parseIterableLiteral($value); |
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} |
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return $list; |
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default: |
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return null; |
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} |
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} |
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} |
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api-platform /
core
