class ClassParser

CSS selector class parser shortcut.

This component is a port of the Python cssselect library, which is copyright Ian Bicking, @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>

@internal

Hierarchy

Expanded class hierarchy of ClassParser

See also

https://github.com/SimonSapin/cssselect.

1 file declares its use of ClassParser
CssSelectorConverter.php in vendor/symfony/css-selector/CssSelectorConverter.php

File

vendor/symfony/css-selector/Parser/Shortcut/ClassParser.php, line 29

Namespace

Symfony\Component\CssSelector\Parser\Shortcut
View source 
class ClassParser implements ParserInterface {
    public function parse(string $source) : array {
        // Matches an optional namespace, optional element, and required class
        // $source = 'test|input.ab6bd_field';
        // $matches = array (size=4)
        //     0 => string 'test|input.ab6bd_field' (length=22)
        //     1 => string 'test' (length=4)
        //     2 => string 'input' (length=5)
        //     3 => string 'ab6bd_field' (length=11)
        if (preg_match('/^(?:([a-z]++)\\|)?+([\\w-]++|\\*)?+\\.([\\w-]++)$/i', trim($source), $matches)) {
            return [
                new SelectorNode(new ClassNode(new ElementNode($matches[1] ?: null, $matches[2] ?: null), $matches[3])),
            ];
        }
        return [];
    }

}

Members

Title Modifiers Object type Summary Overriden Title
ClassParser::parse public function Parses given selector source into an array of tokens. Overrides ParserInterface::parse