laravel-6 support

vendor/symfony/css-selector/XPath/Extension/NodeExtension.php

@@ -27,32 +27,21 @@ use Symfony\Component\CssSelector\XPath\XPathExpr;
  */
 class NodeExtension extends AbstractExtension
 {
-    const ELEMENT_NAME_IN_LOWER_CASE = 1;
-    const ATTRIBUTE_NAME_IN_LOWER_CASE = 2;
-    const ATTRIBUTE_VALUE_IN_LOWER_CASE = 4;
+    public const ELEMENT_NAME_IN_LOWER_CASE = 1;
+    public const ATTRIBUTE_NAME_IN_LOWER_CASE = 2;
+    public const ATTRIBUTE_VALUE_IN_LOWER_CASE = 4;
 
-    /**
-     * @var int
-     */
     private $flags;
 
-    /**
-     * Constructor.
-     *
-     * @param int $flags
-     */
-    public function __construct($flags = 0)
+    public function __construct(int $flags = 0)
     {
         $this->flags = $flags;
     }
 
     /**
-     * @param int  $flag
-     * @param bool $on
-     *
      * @return $this
      */
-    public function setFlag($flag, $on)
+    public function setFlag(int $flag, bool $on): self
     {
         if ($on && !$this->hasFlag($flag)) {
             $this->flags += $flag;
@@ -65,63 +54,40 @@ class NodeExtension extends AbstractExtension
         return $this;
     }
 
-    /**
-     * @param int $flag
-     *
-     * @return bool
-     */
-    public function hasFlag($flag)
+    public function hasFlag(int $flag): bool
     {
-        return $this->flags & $flag;
+        return (bool) ($this->flags & $flag);
     }
 
     /**
      * {@inheritdoc}
      */
-    public function getNodeTranslators()
+    public function getNodeTranslators(): array
     {
-        return array(
-            'Selector' => array($this, 'translateSelector'),
-            'CombinedSelector' => array($this, 'translateCombinedSelector'),
-            'Negation' => array($this, 'translateNegation'),
-            'Function' => array($this, 'translateFunction'),
-            'Pseudo' => array($this, 'translatePseudo'),
-            'Attribute' => array($this, 'translateAttribute'),
-            'Class' => array($this, 'translateClass'),
-            'Hash' => array($this, 'translateHash'),
-            'Element' => array($this, 'translateElement'),
-        );
+        return [
+            'Selector' => [$this, 'translateSelector'],
+            'CombinedSelector' => [$this, 'translateCombinedSelector'],
+            'Negation' => [$this, 'translateNegation'],
+            'Function' => [$this, 'translateFunction'],
+            'Pseudo' => [$this, 'translatePseudo'],
+            'Attribute' => [$this, 'translateAttribute'],
+            'Class' => [$this, 'translateClass'],
+            'Hash' => [$this, 'translateHash'],
+            'Element' => [$this, 'translateElement'],
+        ];
     }
 
-    /**
-     * @param Node\SelectorNode $node
-     * @param Translator        $translator
-     *
-     * @return XPathExpr
-     */
-    public function translateSelector(Node\SelectorNode $node, Translator $translator)
+    public function translateSelector(Node\SelectorNode $node, Translator $translator): XPathExpr
     {
         return $translator->nodeToXPath($node->getTree());
     }
 
-    /**
-     * @param Node\CombinedSelectorNode $node
-     * @param Translator                $translator
-     *
-     * @return XPathExpr
-     */
-    public function translateCombinedSelector(Node\CombinedSelectorNode $node, Translator $translator)
+    public function translateCombinedSelector(Node\CombinedSelectorNode $node, Translator $translator): XPathExpr
     {
         return $translator->addCombination($node->getCombinator(), $node->getSelector(), $node->getSubSelector());
     }
 
-    /**
-     * @param Node\NegationNode $node
-     * @param Translator        $translator
-     *
-     * @return XPathExpr
-     */
-    public function translateNegation(Node\NegationNode $node, Translator $translator)
+    public function translateNegation(Node\NegationNode $node, Translator $translator): XPathExpr
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
         $subXpath = $translator->nodeToXPath($node->getSubSelector());
@@ -134,39 +100,21 @@ class NodeExtension extends AbstractExtension
         return $xpath->addCondition('0');
     }
 
-    /**
-     * @param Node\FunctionNode $node
-     * @param Translator        $translator
-     *
-     * @return XPathExpr
-     */
-    public function translateFunction(Node\FunctionNode $node, Translator $translator)
+    public function translateFunction(Node\FunctionNode $node, Translator $translator): XPathExpr
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
 
         return $translator->addFunction($xpath, $node);
     }
 
-    /**
-     * @param Node\PseudoNode $node
-     * @param Translator      $translator
-     *
-     * @return XPathExpr
-     */
-    public function translatePseudo(Node\PseudoNode $node, Translator $translator)
+    public function translatePseudo(Node\PseudoNode $node, Translator $translator): XPathExpr
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
 
         return $translator->addPseudoClass($xpath, $node->getIdentifier());
     }
 
-    /**
-     * @param Node\AttributeNode $node
-     * @param Translator         $translator
-     *
-     * @return XPathExpr
-     */
-    public function translateAttribute(Node\AttributeNode $node, Translator $translator)
+    public function translateAttribute(Node\AttributeNode $node, Translator $translator): XPathExpr
     {
         $name = $node->getAttribute();
         $safe = $this->isSafeName($name);
@@ -191,42 +139,25 @@ class NodeExtension extends AbstractExtension
         return $translator->addAttributeMatching($xpath, $node->getOperator(), $attribute, $value);
     }
 
-    /**
-     * @param Node\ClassNode $node
-     * @param Translator     $translator
-     *
-     * @return XPathExpr
-     */
-    public function translateClass(Node\ClassNode $node, Translator $translator)
+    public function translateClass(Node\ClassNode $node, Translator $translator): XPathExpr
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
 
         return $translator->addAttributeMatching($xpath, '~=', '@class', $node->getName());
     }
 
-    /**
-     * @param Node\HashNode $node
-     * @param Translator    $translator
-     *
-     * @return XPathExpr
-     */
-    public function translateHash(Node\HashNode $node, Translator $translator)
+    public function translateHash(Node\HashNode $node, Translator $translator): XPathExpr
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
 
         return $translator->addAttributeMatching($xpath, '=', '@id', $node->getId());
     }
 
-    /**
-     * @param Node\ElementNode $node
-     *
-     * @return XPathExpr
-     */
-    public function translateElement(Node\ElementNode $node)
+    public function translateElement(Node\ElementNode $node): XPathExpr
     {
         $element = $node->getElement();
 
-        if ($this->hasFlag(self::ELEMENT_NAME_IN_LOWER_CASE)) {
+        if ($element && $this->hasFlag(self::ELEMENT_NAME_IN_LOWER_CASE)) {
             $element = strtolower($element);
         }
 
@@ -254,19 +185,12 @@ class NodeExtension extends AbstractExtension
     /**
      * {@inheritdoc}
      */
-    public function getName()
+    public function getName(): string
     {
         return 'node';
     }
 
-    /**
-     * Tests if given name is safe.
-     *
-     * @param string $name
-     *
-     * @return bool
-     */
-    private function isSafeName($name)
+    private function isSafeName(string $name): bool
     {
         return 0 < preg_match('~^[a-zA-Z_][a-zA-Z0-9_.-]*$~', $name);
     }