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Symfony\Component\Routing\Route

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<?php/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */namespace Symfony\Component\Routing;/** * A Route describes a route and its parameters. * * @author Fabien Potencier <fabien@symfony.com> * @author Tobias Schultze <http://tobion.de> */class Route implements \Serializable{    private $path = '/';    private $host = '';    private $schemes = [];    private $methods = [];    private $defaults = [];    private $requirements = [];    private $options = [];    private $condition = '';    /**     * @var CompiledRoute|null     */    private $compiled;    /**     * Constructor.     *     * Available options:     *     *  * compiler_class: A class name able to compile this route instance (RouteCompiler by default)     *  * utf8:           Whether UTF-8 matching is enforced ot not     *     * @param string          $path         The path pattern to match     * @param array           $defaults     An array of default parameter values     * @param array           $requirements An array of requirements for parameters (regexes)     * @param array           $options      An array of options     * @param string|null     $host         The host pattern to match     * @param string|string[] $schemes      A required URI scheme or an array of restricted schemes     * @param string|string[] $methods      A required HTTP method or an array of restricted methods     * @param string|null     $condition    A condition that should evaluate to true for the route to match     */    public function __construct(string $path, array $defaults = [], array $requirements = [], array $options = [], ?string $host = '', $schemes = [], $methods = [], ?string $condition = '')    {        $this->setPath($path);        $this->addDefaults($defaults);        $this->addRequirements($requirements);        $this->setOptions($options);        $this->setHost($host);        $this->setSchemes($schemes);        $this->setMethods($methods);        $this->setCondition($condition);    }    public function __serialize(): array    {        return [            'path' => $this->path,            'host' => $this->host,            'defaults' => $this->defaults,            'requirements' => $this->requirements,            'options' => $this->options,            'schemes' => $this->schemes,            'methods' => $this->methods,            'condition' => $this->condition,            'compiled' => $this->compiled,        ];    }    /**     * @internal     */    final public function serialize(): string    {        return serialize($this->__serialize());    }    public function __unserialize(array $data): void    {        $this->path = $data['path'];        $this->host = $data['host'];        $this->defaults = $data['defaults'];        $this->requirements = $data['requirements'];        $this->options = $data['options'];        $this->schemes = $data['schemes'];        $this->methods = $data['methods'];        if (isset($data['condition'])) {            $this->condition = $data['condition'];        }        if (isset($data['compiled'])) {            $this->compiled = $data['compiled'];        }    }    /**     * @internal     */    final public function unserialize($serialized)    {        $this->__unserialize(unserialize($serialized));    }    /**     * Returns the pattern for the path.     *     * @return string The path pattern     */    public function getPath()    {        return $this->path;    }    /**     * Sets the pattern for the path.     *     * This method implements a fluent interface.     *     * @return $this     */    public function setPath(string $pattern)    {        if (false !== strpbrk($pattern, '?<')) {            $pattern = preg_replace_callback('#\{(\w++)(<.*?>)?(\?[^\}]*+)?\}#', function ($m) {                if (isset($m[3][0])) {                    $this->setDefault($m[1], '?' !== $m[3] ? substr($m[3], 1) : null);                }                if (isset($m[2][0])) {                    $this->setRequirement($m[1], substr($m[2], 1, -1));                }                return '{'.$m[1].'}';            }, $pattern);        }        // A pattern must start with a slash and must not have multiple slashes at the beginning because the        // generated path for this route would be confused with a network path, e.g. '//domain.com/path'.        $this->path = '/'.ltrim(trim($pattern), '/');        $this->compiled = null;        return $this;    }    /**     * Returns the pattern for the host.     *     * @return string The host pattern     */    public function getHost()    {        return $this->host;    }    /**     * Sets the pattern for the host.     *     * This method implements a fluent interface.     *     * @return $this     */    public function setHost(?string $pattern)    {        $this->host = (string) $pattern;        $this->compiled = null;        return $this;    }    /**     * Returns the lowercased schemes this route is restricted to.     * So an empty array means that any scheme is allowed.     *     * @return string[] The schemes     */    public function getSchemes()    {        return $this->schemes;    }    /**     * Sets the schemes (e.g. 'https') this route is restricted to.     * So an empty array means that any scheme is allowed.     *     * This method implements a fluent interface.     *     * @param string|string[] $schemes The scheme or an array of schemes     *     * @return $this     */    public function setSchemes($schemes)    {        $this->schemes = array_map('strtolower', (array) $schemes);        $this->compiled = null;        return $this;    }    /**     * Checks if a scheme requirement has been set.     *     * @return bool true if the scheme requirement exists, otherwise false     */    public function hasScheme(string $scheme)    {        return \in_array(strtolower($scheme), $this->schemes, true);    }    /**     * Returns the uppercased HTTP methods this route is restricted to.     * So an empty array means that any method is allowed.     *     * @return string[] The methods     */    public function getMethods()    {        return $this->methods;    }    /**     * Sets the HTTP methods (e.g. 'POST') this route is restricted to.     * So an empty array means that any method is allowed.     *     * This method implements a fluent interface.     *     * @param string|string[] $methods The method or an array of methods     *     * @return $this     */    public function setMethods($methods)    {        $this->methods = array_map('strtoupper', (array) $methods);        $this->compiled = null;        return $this;    }    /**     * Returns the options.     *     * @return array The options     */    public function getOptions()    {        return $this->options;    }    /**     * Sets the options.     *     * This method implements a fluent interface.     *     * @return $this     */    public function setOptions(array $options)    {        $this->options = [            'compiler_class' => 'Symfony\\Component\\Routing\\RouteCompiler',        ];        return $this->addOptions($options);    }    /**     * Adds options.     *     * This method implements a fluent interface.     *     * @return $this     */    public function addOptions(array $options)    {        foreach ($options as $name => $option) {            $this->options[$name] = $option;        }        $this->compiled = null;        return $this;    }    /**     * Sets an option value.     *     * This method implements a fluent interface.     *     * @param mixed $value The option value     *     * @return $this     */    public function setOption(string $name, $value)    {        $this->options[$name] = $value;        $this->compiled = null;        return $this;    }    /**     * Get an option value.     *     * @return mixed The option value or null when not given     */    public function getOption(string $name)    {        return isset($this->options[$name]) ? $this->options[$name] : null;    }    /**     * Checks if an option has been set.     *     * @return bool true if the option is set, false otherwise     */    public function hasOption(string $name)    {        return \array_key_exists($name, $this->options);    }    /**     * Returns the defaults.     *     * @return array The defaults     */    public function getDefaults()    {        return $this->defaults;    }    /**     * Sets the defaults.     *     * This method implements a fluent interface.     *     * @param array $defaults The defaults     *     * @return $this     */    public function setDefaults(array $defaults)    {        $this->defaults = [];        return $this->addDefaults($defaults);    }    /**     * Adds defaults.     *     * This method implements a fluent interface.     *     * @param array $defaults The defaults     *     * @return $this     */    public function addDefaults(array $defaults)    {        foreach ($defaults as $name => $default) {            $this->defaults[$name] = $default;        }        $this->compiled = null;        return $this;    }    /**     * Gets a default value.     *     * @return mixed The default value or null when not given     */    public function getDefault(string $name)    {        return isset($this->defaults[$name]) ? $this->defaults[$name] : null;    }    /**     * Checks if a default value is set for the given variable.     *     * @return bool true if the default value is set, false otherwise     */    public function hasDefault(string $name)    {        return \array_key_exists($name, $this->defaults);    }    /**     * Sets a default value.     *     * @param mixed $default The default value     *     * @return $this     */    public function setDefault(string $name, $default)    {        $this->defaults[$name] = $default;        $this->compiled = null;        return $this;    }    /**     * Returns the requirements.     *     * @return array The requirements     */    public function getRequirements()    {        return $this->requirements;    }    /**     * Sets the requirements.     *     * This method implements a fluent interface.     *     * @param array $requirements The requirements     *     * @return $this     */    public function setRequirements(array $requirements)    {        $this->requirements = [];        return $this->addRequirements($requirements);    }    /**     * Adds requirements.     *     * This method implements a fluent interface.     *     * @param array $requirements The requirements     *     * @return $this     */    public function addRequirements(array $requirements)    {        foreach ($requirements as $key => $regex) {            $this->requirements[$key] = $this->sanitizeRequirement($key, $regex);        }        $this->compiled = null;        return $this;    }    /**     * Returns the requirement for the given key.     *     * @return string|null The regex or null when not given     */    public function getRequirement(string $key)    {        return isset($this->requirements[$key]) ? $this->requirements[$key] : null;    }    /**     * Checks if a requirement is set for the given key.     *     * @return bool true if a requirement is specified, false otherwise     */    public function hasRequirement(string $key)    {        return \array_key_exists($key, $this->requirements);    }    /**     * Sets a requirement for the given key.     *     * @return $this     */    public function setRequirement(string $key, string $regex)    {        $this->requirements[$key] = $this->sanitizeRequirement($key, $regex);        $this->compiled = null;        return $this;    }    /**     * Returns the condition.     *     * @return string The condition     */    public function getCondition()    {        return $this->condition;    }    /**     * Sets the condition.     *     * This method implements a fluent interface.     *     * @return $this     */    public function setCondition(?string $condition)    {        $this->condition = (string) $condition;        $this->compiled = null;        return $this;    }    /**     * Compiles the route.     *     * @return CompiledRoute A CompiledRoute instance     *     * @throws \LogicException If the Route cannot be compiled because the     *                         path or host pattern is invalid     *     * @see RouteCompiler which is responsible for the compilation process     */    public function compile()    {        if (null !== $this->compiled) {            return $this->compiled;        }        $class = $this->getOption('compiler_class');        return $this->compiled = $class::compile($this);    }    private function sanitizeRequirement(string $key, string $regex)    {        if ('' !== $regex && '^' === $regex[0]) {            $regex = (string) substr($regex, 1); // returns false for a single character        }        if ('$' === substr($regex, -1)) {            $regex = substr($regex, 0, -1);        }        if ('' === $regex) {            throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" cannot be empty.', $key));        }        return $regex;    }}