<?php
/**
* @package s9e\TextFormatter
* @copyright Copyright (c) 2010-2021 The s9e authors
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Configurator\TemplateNormalizations;
use DOMNode;
/**
* Remove all inter-element whitespace except for single space characters
*/
class PreserveSingleSpaces extends AbstractNormalization
{
/**
* {@inheritdoc}
*/
protected $queries = ['//text()[. = " "][not(parent::xsl:text)]'];
/**
* {@inheritdoc}
*/
protected function normalizeNode(DOMNode $node)
{
$node->parentNode->replaceChild($this->createElement('xsl:text', ' '), $node);
}
}