[CssSelector] Added cache on top of CssSelectorConverter
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@ -27,6 +27,10 @@ use Symfony\Component\CssSelector\XPath\Translator;
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class CssSelectorConverter
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{
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private $translator;
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private $cache;
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private static $xmlCache = [];
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private static $htmlCache = [];
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/**
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* @param bool $html Whether HTML support should be enabled. Disable it for XML documents
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@ -37,6 +41,9 @@ class CssSelectorConverter
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if ($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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@ -57,6 +64,6 @@ class CssSelectorConverter
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*/
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public function toXPath(string $cssExpr, string $prefix = 'descendant-or-self::')
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{
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return $this->translator->cssToXPath($cssExpr, $prefix);
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return $this->cache[$prefix][$cssExpr] ?? $this->cache[$prefix][$cssExpr] = $this->translator->cssToXPath($cssExpr, $prefix);
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}
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}
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@ -26,6 +26,10 @@ class CssSelectorConverterTest extends TestCase
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$this->assertEquals("descendant-or-self::h1[@class and contains(concat(' ', normalize-space(@class), ' '), ' foo ')]", $converter->toXPath('h1.foo'));
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$this->assertEquals('descendant-or-self::foo:h1', $converter->toXPath('foo|h1'));
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$this->assertEquals('descendant-or-self::h1', $converter->toXPath('H1'));
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// Test the cache layer
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$converter = new CssSelectorConverter();
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$this->assertEquals('descendant-or-self::h1', $converter->toXPath('H1'));
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}
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public function testCssToXPathXml()
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@ -33,6 +37,10 @@ class CssSelectorConverterTest extends TestCase
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$converter = new CssSelectorConverter(false);
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$this->assertEquals('descendant-or-self::H1', $converter->toXPath('H1'));
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$converter = new CssSelectorConverter(false);
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// Test the cache layer
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$this->assertEquals('descendant-or-self::H1', $converter->toXPath('H1'));
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}
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public function testParseExceptions()
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@ -1,6 +1,11 @@
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CHANGELOG
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=========
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5.1.0
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-----
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* Added an internal cache layer on top of the CssSelectorConverter
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5.0.0
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-----
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