Version 1

[yaffs-website] / vendor / symfony / css-selector / CssSelectorConverter.php

diff --git a/vendor/symfony/css-selector/CssSelectorConverter.php b/vendor/symfony/css-selector/CssSelectorConverter.php
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+<?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 Symfony\Component\CssSelector;
+
+use Symfony\Component\CssSelector\Parser\Shortcut\ClassParser;
+use Symfony\Component\CssSelector\Parser\Shortcut\ElementParser;
+use Symfony\Component\CssSelector\Parser\Shortcut\EmptyStringParser;
+use Symfony\Component\CssSelector\Parser\Shortcut\HashParser;
+use Symfony\Component\CssSelector\XPath\Extension\HtmlExtension;
+use Symfony\Component\CssSelector\XPath\Translator;
+
+/**
+ * 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);
+    }
+}