Файл: gapps/vendor/symfony/css-selector/CssSelectorConverter.php
Строк: 95
<?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 SymfonyComponentCssSelector;
use SymfonyComponentCssSelectorParserShortcutClassParser;
use SymfonyComponentCssSelectorParserShortcutElementParser;
use SymfonyComponentCssSelectorParserShortcutEmptyStringParser;
use SymfonyComponentCssSelectorParserShortcutHashParser;
use SymfonyComponentCssSelectorXPathExtensionHtmlExtension;
use SymfonyComponentCssSelectorXPathTranslator;
/**
* CssSelectorConverter is the main entry point of the component and can convert CSS
* selectors to XPath expressions.
*
* @author Christophe Coevoet <stof@notk.org>
*/
class CssSelectorConverter
{
private $translator;
/**
* @param bool $html Whether HTML support should be enabled. Disable it for XML documents
*/
public function __construct($html = true)
{
$this->translator = new Translator();
if ($html) {
$this->translator->registerExtension(new HtmlExtension($this->translator));
}
$this->translator
->registerParserShortcut(new EmptyStringParser())
->registerParserShortcut(new ElementParser())
->registerParserShortcut(new ClassParser())
->registerParserShortcut(new HashParser())
;
}
/**
* Translates a CSS expression to its XPath equivalent.
*
* Optionally, a prefix can be added to the resulting XPath
* expression with the $prefix parameter.
*
* @param string $cssExpr The CSS expression
* @param string $prefix An optional prefix for the XPath expression
*
* @return string
*/
public function toXPath($cssExpr, $prefix = 'descendant-or-self::')
{
return $this->translator->cssToXPath($cssExpr, $prefix);
}
}