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- <?php
- namespace Symfony\Component\CssSelector\Parser\Handler;
- use Symfony\Component\CssSelector\Exception\InternalErrorException;
- use Symfony\Component\CssSelector\Exception\SyntaxErrorException;
- use Symfony\Component\CssSelector\Parser\Reader;
- use Symfony\Component\CssSelector\Parser\Token;
- use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
- use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
- use Symfony\Component\CssSelector\Parser\TokenStream;
- class StringHandler implements HandlerInterface
- {
- private $patterns;
- private $escaping;
- public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)
- {
- $this->patterns = $patterns;
- $this->escaping = $escaping;
- }
-
- public function handle(Reader $reader, TokenStream $stream): bool
- {
- $quote = $reader->getSubstring(1);
- if (!\in_array($quote, ["'", '"'])) {
- return false;
- }
- $reader->moveForward(1);
- $match = $reader->findPattern($this->patterns->getQuotedStringPattern($quote));
- if (!$match) {
- throw new InternalErrorException(sprintf('Should have found at least an empty match at %d.', $reader->getPosition()));
- }
-
- if (\strlen($match[0]) === $reader->getRemainingLength()) {
- throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);
- }
-
- if ($quote !== $reader->getSubstring(1, \strlen($match[0]))) {
- throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);
- }
- $string = $this->escaping->escapeUnicodeAndNewLine($match[0]);
- $stream->push(new Token(Token::TYPE_STRING, $string, $reader->getPosition()));
- $reader->moveForward(\strlen($match[0]) + 1);
- return true;
- }
- }
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