459 lines
12 KiB
PHP
459 lines
12 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Routing;
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/**
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* A Route describes a route and its parameters.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Tobias Schultze <http://tobion.de>
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*/
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class Route implements \Serializable
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{
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private string $path = '/';
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private string $host = '';
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private array $schemes = [];
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private array $methods = [];
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private array $defaults = [];
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private array $requirements = [];
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private array $options = [];
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private string $condition = '';
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private ?CompiledRoute $compiled = null;
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/**
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* Constructor.
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*
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* Available options:
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*
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* * compiler_class: A class name able to compile this route instance (RouteCompiler by default)
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* * utf8: Whether UTF-8 matching is enforced ot not
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*
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* @param string $path The path pattern to match
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* @param array $defaults An array of default parameter values
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* @param array<string|\Stringable> $requirements An array of requirements for parameters (regexes)
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* @param array $options An array of options
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* @param string|null $host The host pattern to match
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* @param string|string[] $schemes A required URI scheme or an array of restricted schemes
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* @param string|string[] $methods A required HTTP method or an array of restricted methods
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* @param string|null $condition A condition that should evaluate to true for the route to match
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*/
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public function __construct(string $path, array $defaults = [], array $requirements = [], array $options = [], ?string $host = '', string|array $schemes = [], string|array $methods = [], ?string $condition = '')
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{
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$this->setPath($path);
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$this->addDefaults($defaults);
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$this->addRequirements($requirements);
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$this->setOptions($options);
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$this->setHost($host);
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$this->setSchemes($schemes);
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$this->setMethods($methods);
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$this->setCondition($condition);
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}
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public function __serialize(): array
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{
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return [
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'path' => $this->path,
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'host' => $this->host,
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'defaults' => $this->defaults,
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'requirements' => $this->requirements,
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'options' => $this->options,
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'schemes' => $this->schemes,
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'methods' => $this->methods,
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'condition' => $this->condition,
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'compiled' => $this->compiled,
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];
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}
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/**
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* @internal
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*/
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final public function serialize(): string
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{
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throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
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}
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public function __unserialize(array $data): void
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{
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$this->path = $data['path'];
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$this->host = $data['host'];
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$this->defaults = $data['defaults'];
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$this->requirements = $data['requirements'];
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$this->options = $data['options'];
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$this->schemes = $data['schemes'];
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$this->methods = $data['methods'];
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if (isset($data['condition'])) {
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$this->condition = $data['condition'];
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}
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if (isset($data['compiled'])) {
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$this->compiled = $data['compiled'];
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}
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}
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/**
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* @internal
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*/
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final public function unserialize(string $serialized)
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{
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$this->__unserialize(unserialize($serialized));
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}
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public function getPath(): string
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{
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return $this->path;
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}
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/**
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* @return $this
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*/
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public function setPath(string $pattern): static
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{
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$pattern = $this->extractInlineDefaultsAndRequirements($pattern);
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// A pattern must start with a slash and must not have multiple slashes at the beginning because the
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// generated path for this route would be confused with a network path, e.g. '//domain.com/path'.
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$this->path = '/'.ltrim(trim($pattern), '/');
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$this->compiled = null;
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return $this;
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}
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public function getHost(): string
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{
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return $this->host;
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}
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/**
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* @return $this
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*/
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public function setHost(?string $pattern): static
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{
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$this->host = $this->extractInlineDefaultsAndRequirements((string) $pattern);
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$this->compiled = null;
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return $this;
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}
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/**
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* Returns the lowercased schemes this route is restricted to.
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* So an empty array means that any scheme is allowed.
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*
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* @return string[]
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*/
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public function getSchemes(): array
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{
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return $this->schemes;
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}
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/**
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* Sets the schemes (e.g. 'https') this route is restricted to.
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* So an empty array means that any scheme is allowed.
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*
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* @param string|string[] $schemes The scheme or an array of schemes
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*
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* @return $this
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*/
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public function setSchemes(string|array $schemes): static
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{
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$this->schemes = array_map('strtolower', (array) $schemes);
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$this->compiled = null;
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return $this;
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}
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/**
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* Checks if a scheme requirement has been set.
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*/
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public function hasScheme(string $scheme): bool
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{
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return \in_array(strtolower($scheme), $this->schemes, true);
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}
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/**
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* Returns the uppercased HTTP methods this route is restricted to.
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* So an empty array means that any method is allowed.
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*
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* @return string[]
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*/
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public function getMethods(): array
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{
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return $this->methods;
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}
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/**
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* Sets the HTTP methods (e.g. 'POST') this route is restricted to.
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* So an empty array means that any method is allowed.
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*
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* @param string|string[] $methods The method or an array of methods
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*
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* @return $this
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*/
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public function setMethods(string|array $methods): static
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{
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$this->methods = array_map('strtoupper', (array) $methods);
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$this->compiled = null;
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return $this;
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}
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public function getOptions(): array
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{
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return $this->options;
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}
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/**
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* @return $this
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*/
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public function setOptions(array $options): static
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{
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$this->options = [
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'compiler_class' => RouteCompiler::class,
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];
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return $this->addOptions($options);
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}
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/**
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* @return $this
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*/
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public function addOptions(array $options): static
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{
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foreach ($options as $name => $option) {
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$this->options[$name] = $option;
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}
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$this->compiled = null;
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return $this;
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}
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/**
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* Sets an option value.
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*
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* @return $this
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*/
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public function setOption(string $name, mixed $value): static
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{
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$this->options[$name] = $value;
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$this->compiled = null;
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return $this;
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}
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/**
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* Returns the option value or null when not found.
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*/
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public function getOption(string $name): mixed
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{
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return $this->options[$name] ?? null;
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}
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public function hasOption(string $name): bool
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{
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return \array_key_exists($name, $this->options);
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}
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public function getDefaults(): array
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{
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return $this->defaults;
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}
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/**
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* @return $this
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*/
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public function setDefaults(array $defaults): static
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{
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$this->defaults = [];
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return $this->addDefaults($defaults);
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}
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/**
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* @return $this
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*/
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public function addDefaults(array $defaults): static
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{
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if (isset($defaults['_locale']) && $this->isLocalized()) {
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unset($defaults['_locale']);
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}
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foreach ($defaults as $name => $default) {
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$this->defaults[$name] = $default;
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}
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$this->compiled = null;
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return $this;
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}
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public function getDefault(string $name): mixed
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{
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return $this->defaults[$name] ?? null;
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}
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public function hasDefault(string $name): bool
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{
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return \array_key_exists($name, $this->defaults);
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}
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/**
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* @return $this
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*/
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public function setDefault(string $name, mixed $default): static
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{
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if ('_locale' === $name && $this->isLocalized()) {
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return $this;
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}
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$this->defaults[$name] = $default;
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$this->compiled = null;
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return $this;
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}
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public function getRequirements(): array
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{
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return $this->requirements;
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}
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/**
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* @return $this
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*/
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public function setRequirements(array $requirements): static
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{
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$this->requirements = [];
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return $this->addRequirements($requirements);
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}
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/**
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* @return $this
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*/
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public function addRequirements(array $requirements): static
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{
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if (isset($requirements['_locale']) && $this->isLocalized()) {
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unset($requirements['_locale']);
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}
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foreach ($requirements as $key => $regex) {
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$this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
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}
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$this->compiled = null;
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return $this;
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}
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public function getRequirement(string $key): ?string
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{
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return $this->requirements[$key] ?? null;
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}
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public function hasRequirement(string $key): bool
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{
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return \array_key_exists($key, $this->requirements);
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}
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/**
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* @return $this
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*/
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public function setRequirement(string $key, string $regex): static
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{
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if ('_locale' === $key && $this->isLocalized()) {
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return $this;
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}
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$this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
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$this->compiled = null;
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return $this;
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}
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public function getCondition(): string
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{
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return $this->condition;
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}
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/**
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* @return $this
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*/
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public function setCondition(?string $condition): static
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{
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$this->condition = (string) $condition;
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$this->compiled = null;
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return $this;
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}
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/**
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* Compiles the route.
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*
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* @throws \LogicException If the Route cannot be compiled because the
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* path or host pattern is invalid
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*
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* @see RouteCompiler which is responsible for the compilation process
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*/
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public function compile(): CompiledRoute
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{
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if (null !== $this->compiled) {
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return $this->compiled;
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}
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$class = $this->getOption('compiler_class');
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return $this->compiled = $class::compile($this);
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}
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private function extractInlineDefaultsAndRequirements(string $pattern): string
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{
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if (false === strpbrk($pattern, '?<')) {
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return $pattern;
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}
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return preg_replace_callback('#\{(!?)([\w\x80-\xFF]++)(<.*?>)?(\?[^\}]*+)?\}#', function ($m) {
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if (isset($m[4][0])) {
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$this->setDefault($m[2], '?' !== $m[4] ? substr($m[4], 1) : null);
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}
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if (isset($m[3][0])) {
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$this->setRequirement($m[2], substr($m[3], 1, -1));
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}
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return '{'.$m[1].$m[2].'}';
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}, $pattern);
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}
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private function sanitizeRequirement(string $key, string $regex)
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{
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if ('' !== $regex) {
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if ('^' === $regex[0]) {
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$regex = substr($regex, 1);
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} elseif (str_starts_with($regex, '\\A')) {
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$regex = substr($regex, 2);
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}
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}
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if (str_ends_with($regex, '$')) {
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$regex = substr($regex, 0, -1);
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} elseif (\strlen($regex) - 2 === strpos($regex, '\\z')) {
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$regex = substr($regex, 0, -2);
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}
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if ('' === $regex) {
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throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" cannot be empty.', $key));
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}
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return $regex;
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}
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private function isLocalized(): bool
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{
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return isset($this->defaults['_locale']) && isset($this->defaults['_canonical_route']) && ($this->requirements['_locale'] ?? null) === preg_quote($this->defaults['_locale']);
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}
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}
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