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68 lines
1.6 KiB
68 lines
1.6 KiB
2 years ago
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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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namespace Symfony\Component\Config\Definition;
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use Symfony\Component\Config\Definition\Exception\InvalidTypeException;
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/**
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* This node represents a scalar value in the config tree.
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*
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* The following values are considered scalars:
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* * booleans
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* * strings
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* * null
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* * integers
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* * floats
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class ScalarNode extends VariableNode
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{
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/**
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* {@inheritdoc}
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*/
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protected function validateType($value)
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{
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if (!is_scalar($value) && null !== $value) {
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$ex = new InvalidTypeException(sprintf('Invalid type for path "%s". Expected "scalar", but got "%s".', $this->getPath(), get_debug_type($value)));
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if ($hint = $this->getInfo()) {
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$ex->addHint($hint);
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}
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$ex->setPath($this->getPath());
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throw $ex;
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function isValueEmpty($value)
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{
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// assume environment variables are never empty (which in practice is likely to be true during runtime)
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// not doing so breaks many configs that are valid today
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if ($this->isHandlingPlaceholder()) {
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return false;
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}
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return null === $value || '' === $value;
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}
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/**
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* {@inheritdoc}
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*/
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protected function getValidPlaceholderTypes(): array
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{
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return ['bool', 'int', 'float', 'string'];
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}
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}
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