58 lines
1.3 KiB
PHP
58 lines
1.3 KiB
PHP
<?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(
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'Invalid type for path "%s". Expected scalar, but got %s.',
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$this->getPath(),
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gettype($value)
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));
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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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return null === $value || '' === $value;
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}
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}
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