laravel-6 support
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144
vendor/symfony/css-selector/Parser/Parser.php
vendored
144
vendor/symfony/css-selector/Parser/Parser.php
vendored
@@ -27,25 +27,17 @@ use Symfony\Component\CssSelector\Parser\Tokenizer\Tokenizer;
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*/
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class Parser implements ParserInterface
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{
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/**
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* @var Tokenizer
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*/
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private $tokenizer;
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/**
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* Constructor.
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*
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* @param null|Tokenizer $tokenizer
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*/
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public function __construct(Tokenizer $tokenizer = null)
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{
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$this->tokenizer = $tokenizer ?: new Tokenizer();
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$this->tokenizer = $tokenizer ?? new Tokenizer();
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}
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/**
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* {@inheritdoc}
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*/
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public function parse($source)
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public function parse(string $source): array
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{
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$reader = new Reader($source);
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$stream = $this->tokenizer->tokenize($reader);
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@@ -58,11 +50,9 @@ class Parser implements ParserInterface
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*
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* @param Token[] $tokens
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*
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* @return array
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*
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* @throws SyntaxErrorException
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*/
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public static function parseSeries(array $tokens)
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public static function parseSeries(array $tokens): array
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{
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foreach ($tokens as $token) {
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if ($token->isString()) {
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@@ -84,40 +74,33 @@ class Parser implements ParserInterface
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switch (true) {
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case 'odd' === $joined:
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return array(2, 1);
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return [2, 1];
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case 'even' === $joined:
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return array(2, 0);
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return [2, 0];
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case 'n' === $joined:
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return array(1, 0);
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case false === strpos($joined, 'n'):
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return array(0, $int($joined));
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return [1, 0];
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case !str_contains($joined, 'n'):
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return [0, $int($joined)];
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}
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$split = explode('n', $joined);
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$first = isset($split[0]) ? $split[0] : null;
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$first = $split[0] ?? null;
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return array(
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return [
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$first ? ('-' === $first || '+' === $first ? $int($first.'1') : $int($first)) : 1,
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isset($split[1]) && $split[1] ? $int($split[1]) : 0,
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);
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];
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}
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/**
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* Parses selector nodes.
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*
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* @param TokenStream $stream
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*
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* @return array
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*/
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private function parseSelectorList(TokenStream $stream)
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private function parseSelectorList(TokenStream $stream): array
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{
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$stream->skipWhitespace();
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$selectors = array();
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$selectors = [];
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while (true) {
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$selectors[] = $this->parserSelectorNode($stream);
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if ($stream->getPeek()->isDelimiter(array(','))) {
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if ($stream->getPeek()->isDelimiter([','])) {
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$stream->getNext();
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$stream->skipWhitespace();
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} else {
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@@ -128,24 +111,15 @@ class Parser implements ParserInterface
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return $selectors;
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}
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/**
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* Parses next selector or combined node.
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*
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* @param TokenStream $stream
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*
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* @return Node\SelectorNode
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*
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* @throws SyntaxErrorException
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*/
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private function parserSelectorNode(TokenStream $stream)
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private function parserSelectorNode(TokenStream $stream): Node\SelectorNode
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{
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list($result, $pseudoElement) = $this->parseSimpleSelector($stream);
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[$result, $pseudoElement] = $this->parseSimpleSelector($stream);
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while (true) {
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$stream->skipWhitespace();
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$peek = $stream->getPeek();
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if ($peek->isFileEnd() || $peek->isDelimiter(array(','))) {
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if ($peek->isFileEnd() || $peek->isDelimiter([','])) {
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break;
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}
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@@ -153,14 +127,14 @@ class Parser implements ParserInterface
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throw SyntaxErrorException::pseudoElementFound($pseudoElement, 'not at the end of a selector');
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}
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if ($peek->isDelimiter(array('+', '>', '~'))) {
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if ($peek->isDelimiter(['+', '>', '~'])) {
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$combinator = $stream->getNext()->getValue();
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$stream->skipWhitespace();
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} else {
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$combinator = ' ';
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}
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list($nextSelector, $pseudoElement) = $this->parseSimpleSelector($stream);
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[$nextSelector, $pseudoElement] = $this->parseSimpleSelector($stream);
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$result = new Node\CombinedSelectorNode($result, $combinator, $nextSelector);
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}
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@@ -170,18 +144,13 @@ class Parser implements ParserInterface
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/**
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* Parses next simple node (hash, class, pseudo, negation).
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*
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* @param TokenStream $stream
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* @param bool $insideNegation
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*
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* @return array
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*
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* @throws SyntaxErrorException
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*/
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private function parseSimpleSelector(TokenStream $stream, $insideNegation = false)
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private function parseSimpleSelector(TokenStream $stream, bool $insideNegation = false): array
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{
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$stream->skipWhitespace();
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$selectorStart = count($stream->getUsed());
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$selectorStart = \count($stream->getUsed());
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$result = $this->parseElementNode($stream);
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$pseudoElement = null;
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@@ -189,8 +158,8 @@ class Parser implements ParserInterface
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$peek = $stream->getPeek();
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if ($peek->isWhitespace()
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|| $peek->isFileEnd()
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|| $peek->isDelimiter(array(',', '+', '>', '~'))
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|| ($insideNegation && $peek->isDelimiter(array(')')))
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|| $peek->isDelimiter([',', '+', '>', '~'])
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|| ($insideNegation && $peek->isDelimiter([')']))
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) {
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break;
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}
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@@ -201,16 +170,16 @@ class Parser implements ParserInterface
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if ($peek->isHash()) {
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$result = new Node\HashNode($result, $stream->getNext()->getValue());
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} elseif ($peek->isDelimiter(array('.'))) {
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} elseif ($peek->isDelimiter(['.'])) {
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$stream->getNext();
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$result = new Node\ClassNode($result, $stream->getNextIdentifier());
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} elseif ($peek->isDelimiter(array('['))) {
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} elseif ($peek->isDelimiter(['['])) {
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$stream->getNext();
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$result = $this->parseAttributeNode($result, $stream);
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} elseif ($peek->isDelimiter(array(':'))) {
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} elseif ($peek->isDelimiter([':'])) {
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$stream->getNext();
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if ($stream->getPeek()->isDelimiter(array(':'))) {
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if ($stream->getPeek()->isDelimiter([':'])) {
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$stream->getNext();
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$pseudoElement = $stream->getNextIdentifier();
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@@ -218,7 +187,7 @@ class Parser implements ParserInterface
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}
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$identifier = $stream->getNextIdentifier();
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if (in_array(strtolower($identifier), array('first-line', 'first-letter', 'before', 'after'))) {
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if (\in_array(strtolower($identifier), ['first-line', 'first-letter', 'before', 'after'])) {
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// Special case: CSS 2.1 pseudo-elements can have a single ':'.
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// Any new pseudo-element must have two.
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$pseudoElement = $identifier;
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@@ -226,7 +195,7 @@ class Parser implements ParserInterface
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continue;
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}
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if (!$stream->getPeek()->isDelimiter(array('('))) {
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if (!$stream->getPeek()->isDelimiter(['('])) {
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$result = new Node\PseudoNode($result, $identifier);
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continue;
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@@ -240,20 +209,20 @@ class Parser implements ParserInterface
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throw SyntaxErrorException::nestedNot();
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}
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list($argument, $argumentPseudoElement) = $this->parseSimpleSelector($stream, true);
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[$argument, $argumentPseudoElement] = $this->parseSimpleSelector($stream, true);
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$next = $stream->getNext();
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if (null !== $argumentPseudoElement) {
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throw SyntaxErrorException::pseudoElementFound($argumentPseudoElement, 'inside ::not()');
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}
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if (!$next->isDelimiter(array(')'))) {
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if (!$next->isDelimiter([')'])) {
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throw SyntaxErrorException::unexpectedToken('")"', $next);
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}
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$result = new Node\NegationNode($result, $argument);
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} else {
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$arguments = array();
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$arguments = [];
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$next = null;
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while (true) {
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@@ -263,10 +232,10 @@ class Parser implements ParserInterface
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if ($next->isIdentifier()
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|| $next->isString()
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|| $next->isNumber()
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|| $next->isDelimiter(array('+', '-'))
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|| $next->isDelimiter(['+', '-'])
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) {
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$arguments[] = $next;
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} elseif ($next->isDelimiter(array(')'))) {
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} elseif ($next->isDelimiter([')'])) {
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break;
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} else {
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throw SyntaxErrorException::unexpectedToken('an argument', $next);
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@@ -284,25 +253,18 @@ class Parser implements ParserInterface
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}
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}
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if (count($stream->getUsed()) === $selectorStart) {
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if (\count($stream->getUsed()) === $selectorStart) {
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throw SyntaxErrorException::unexpectedToken('selector', $stream->getPeek());
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}
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return array($result, $pseudoElement);
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return [$result, $pseudoElement];
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}
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/**
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* Parses next element node.
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*
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* @param TokenStream $stream
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*
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* @return Node\ElementNode
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*/
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private function parseElementNode(TokenStream $stream)
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private function parseElementNode(TokenStream $stream): Node\ElementNode
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{
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$peek = $stream->getPeek();
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if ($peek->isIdentifier() || $peek->isDelimiter(array('*'))) {
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if ($peek->isIdentifier() || $peek->isDelimiter(['*'])) {
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if ($peek->isIdentifier()) {
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$namespace = $stream->getNext()->getValue();
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} else {
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@@ -310,7 +272,7 @@ class Parser implements ParserInterface
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$namespace = null;
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}
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if ($stream->getPeek()->isDelimiter(array('|'))) {
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if ($stream->getPeek()->isDelimiter(['|'])) {
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$stream->getNext();
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$element = $stream->getNextIdentifierOrStar();
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} else {
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@@ -324,29 +286,19 @@ class Parser implements ParserInterface
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return new Node\ElementNode($namespace, $element);
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}
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/**
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* Parses next attribute node.
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*
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* @param Node\NodeInterface $selector
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* @param TokenStream $stream
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*
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* @return Node\AttributeNode
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*
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* @throws SyntaxErrorException
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*/
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private function parseAttributeNode(Node\NodeInterface $selector, TokenStream $stream)
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private function parseAttributeNode(Node\NodeInterface $selector, TokenStream $stream): Node\AttributeNode
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{
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$stream->skipWhitespace();
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$attribute = $stream->getNextIdentifierOrStar();
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if (null === $attribute && !$stream->getPeek()->isDelimiter(array('|'))) {
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if (null === $attribute && !$stream->getPeek()->isDelimiter(['|'])) {
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throw SyntaxErrorException::unexpectedToken('"|"', $stream->getPeek());
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}
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if ($stream->getPeek()->isDelimiter(array('|'))) {
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if ($stream->getPeek()->isDelimiter(['|'])) {
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$stream->getNext();
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if ($stream->getPeek()->isDelimiter(array('='))) {
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if ($stream->getPeek()->isDelimiter(['='])) {
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$namespace = null;
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$stream->getNext();
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$operator = '|=';
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@@ -363,12 +315,12 @@ class Parser implements ParserInterface
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$stream->skipWhitespace();
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$next = $stream->getNext();
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if ($next->isDelimiter(array(']'))) {
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if ($next->isDelimiter([']'])) {
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return new Node\AttributeNode($selector, $namespace, $attribute, 'exists', null);
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} elseif ($next->isDelimiter(array('='))) {
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} elseif ($next->isDelimiter(['='])) {
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$operator = '=';
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} elseif ($next->isDelimiter(array('^', '$', '*', '~', '|', '!'))
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&& $stream->getPeek()->isDelimiter(array('='))
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} elseif ($next->isDelimiter(['^', '$', '*', '~', '|', '!'])
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&& $stream->getPeek()->isDelimiter(['='])
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) {
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$operator = $next->getValue().'=';
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$stream->getNext();
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@@ -392,7 +344,7 @@ class Parser implements ParserInterface
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$stream->skipWhitespace();
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$next = $stream->getNext();
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if (!$next->isDelimiter(array(']'))) {
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if (!$next->isDelimiter([']'])) {
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throw SyntaxErrorException::unexpectedToken('"]"', $next);
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}
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