Mischa Spelt
7b9674110e
- Add package.json dependencies: jquery, jquery-ui, moment, daterangepicker, wavesurfer.js, air-datepicker - Create scripts/setup-vendor.js to copy npm packages to public/assets/vendor - Update view templates to use vendor paths instead of old /js/ or CDN URLs - Clean up legacy commented-out scripts in master layout
68 lines
2.1 KiB
PHP
68 lines
2.1 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\CssSelector;
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use Symfony\Component\CssSelector\Parser\Shortcut\ClassParser;
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use Symfony\Component\CssSelector\Parser\Shortcut\ElementParser;
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use Symfony\Component\CssSelector\Parser\Shortcut\EmptyStringParser;
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use Symfony\Component\CssSelector\Parser\Shortcut\HashParser;
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use Symfony\Component\CssSelector\XPath\Extension\HtmlExtension;
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use Symfony\Component\CssSelector\XPath\Translator;
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/**
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* CssSelectorConverter is the main entry point of the component and can convert CSS
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* selectors to XPath expressions.
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*
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* @author Christophe Coevoet <stof@notk.org>
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*/
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class CssSelectorConverter
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{
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private $translator;
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private array $cache;
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private static array $xmlCache = [];
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private static array $htmlCache = [];
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/**
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* @param bool $html Whether HTML support should be enabled. Disable it for XML documents
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*/
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public function __construct(bool $html = true)
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{
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$this->translator = new Translator();
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if ($html) {
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$this->translator->registerExtension(new HtmlExtension($this->translator));
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$this->cache = &self::$htmlCache;
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} else {
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$this->cache = &self::$xmlCache;
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}
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$this->translator
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->registerParserShortcut(new EmptyStringParser())
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->registerParserShortcut(new ElementParser())
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->registerParserShortcut(new ClassParser())
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->registerParserShortcut(new HashParser())
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;
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}
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/**
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* Translates a CSS expression to its XPath equivalent.
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*
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* Optionally, a prefix can be added to the resulting XPath
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* expression with the $prefix parameter.
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*/
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public function toXPath(string $cssExpr, string $prefix = 'descendant-or-self::'): string
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{
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return $this->cache[$prefix][$cssExpr] ?? $this->cache[$prefix][$cssExpr] = $this->translator->cssToXPath($cssExpr, $prefix);
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}
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}
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