CompiledRoute.php

<?php

namespace Drupal\Core\Routing;

use Symfony\Component\Routing\CompiledRoute as SymfonyCompiledRoute;

/**
 * A compiled route contains derived information from a route object.
 */
class CompiledRoute extends SymfonyCompiledRoute {
    
    /**
     * The fitness of this route.
     *
     * @var int
     */
    protected $fit;
    
    /**
     * The pattern outline of this route.
     *
     * @var string
     */
    protected $patternOutline;
    
    /**
     * The number of parts in the path of this route.
     *
     * @var int
     */
    protected $numParts;
    
    /**
     * Constructs a new compiled route object.
     *
     * This is a ridiculously long set of constructor parameters, but as this
     * object is little more than a collection of values it's not a serious
     * problem. The parent Symfony class does the same, as well, making it
     * difficult to override differently.
     *
     * @param int $fit
     *   The fitness of the route.
     * @param string $pattern_outline
     *   The pattern outline for this route.
     * @param int $num_parts
     *   The number of parts in the path.
     * @param string $staticPrefix
     *   The static prefix of the compiled route
     * @param string $regex
     *   The regular expression to use to match this route
     * @param array $tokens
     *   An array of tokens to use to generate URL for this route
     * @param array $pathVariables
     *   An array of path variables
     * @param string|null $hostRegex
     *   Host regex
     * @param array $hostTokens
     *   Host tokens
     * @param array $hostVariables
     *   An array of host variables
     * @param array $variables
     *   An array of variables (variables defined in the path and in the host patterns)
     */
    public function __construct($fit, $pattern_outline, $num_parts, $staticPrefix, $regex, array $tokens, array $pathVariables, $hostRegex = NULL, array $hostTokens = [], array $hostVariables = [], array $variables = []) {
        parent::__construct($staticPrefix, $regex, $tokens, $pathVariables, $hostRegex, $hostTokens, $hostVariables, $variables);
        $this->fit = $fit;
        // Support case-insensitive route matching by ensuring the pattern outline
        // is lowercase.
        // @see \Drupal\Core\Routing\RouteProvider::getRoutesByPath()
        $this->patternOutline = mb_strtolower($pattern_outline);
        $this->numParts = $num_parts;
    }
    
    /**
     * Returns the fit of this route.
     *
     * See RouteCompiler for a definition of how the fit is calculated.
     *
     * @return int
     *   The fit of the route.
     */
    public function getFit() {
        return $this->fit;
    }
    
    /**
     * Returns the number of parts in this route's path.
     *
     * The string "foo/bar/baz" has 3 parts, regardless of how many of them are
     * placeholders.
     *
     * @return int
     *   The number of parts in the path.
     */
    public function getNumParts() {
        return $this->numParts;
    }
    
    /**
     * Returns the pattern outline of this route.
     *
     * The pattern outline of a route is the path pattern of the route, but
     * normalized such that all placeholders are replaced with %.
     *
     * @return string
     *   The normalized path pattern.
     */
    public function getPatternOutline() {
        return $this->patternOutline;
    }
    
    /**
     * {@inheritdoc}
     */
    public function __serialize() : array {
        // Calling the parent method is safer than trying to optimize out the extra
        // function calls.
        $data = parent::__serialize();
        $data['fit'] = $this->fit;
        $data['patternOutline'] = $this->patternOutline;
        $data['numParts'] = $this->numParts;
        return $data;
    }
    
    /**
     * {@inheritdoc}
     */
    public function __unserialize(array $data) : void {
        parent::__unserialize($data);
        $this->fit = $data['fit'];
        $this->patternOutline = $data['patternOutline'];
        $this->numParts = $data['numParts'];
    }

}