<?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 string $path = '/';
private string $host = '';
private array $schemes = [];
private array $methods = [];
private array $defaults = [];
private array $requirements = [];
private array $options = [];
private string $condition = '';
private ?CompiledRoute $compiled = null;
/**
* 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<string|\Stringable> $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 = '', string|array $schemes = [], string|array $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
{
throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
}
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(string $serialized)
{
$this->__unserialize(unserialize($serialized));
}
public function getPath(): string
{
return $this->path;
}
/**
* @return $this
*/
public function setPath(string $pattern): static
{
$pattern = $this->extractInlineDefaultsAndRequirements($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;
}
public function getHost(): string
{
return $this->host;
}
/**
* @return $this
*/
public function setHost(?string $pattern): static
{
$this->host = $this->extractInlineDefaultsAndRequirements((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[]
*/
public function getSchemes(): array
{
return $this->schemes;
}
/**
* Sets the schemes (e.g. 'https') this route is restricted to.
* So an empty array means that any scheme is allowed.
*
* @param string|string[] $schemes The scheme or an array of schemes
*
* @return $this
*/
public function setSchemes(string|array $schemes): static
{
$this->schemes = array_map('strtolower', (array) $schemes);
$this->compiled = null;
return $this;
}
/**
* Checks if a scheme requirement has been set.
*/
public function hasScheme(string $scheme): bool
{
return \in_array(strtolower($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[]
*/
public function getMethods(): array
{
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.
*
* @param string|string[] $methods The method or an array of methods
*
* @return $this
*/
public function setMethods(string|array $methods): static
{
$this->methods = array_map('strtoupper', (array) $methods);
$this->compiled = null;
return $this;
}
public function getOptions(): array
{
return $this->options;
}
/**
* @return $this
*/
public function setOptions(array $options): static
{
$this->options = [
'compiler_class' => RouteCompiler::class,
];
return $this->addOptions($options);
}
/**
* @return $this
*/
public function addOptions(array $options): static
{
foreach ($options as $name => $option) {
$this->options[$name] = $option;
}
$this->compiled = null;
return $this;
}
/**
* Sets an option value.
*
* @return $this
*/
public function setOption(string $name, mixed $value): static
{
$this->options[$name] = $value;
$this->compiled = null;
return $this;
}
/**
* Returns the option value or null when not found.
*/
public function getOption(string $name): mixed
{
return $this->options[$name] ?? null;
}
public function hasOption(string $name): bool
{
return \array_key_exists($name, $this->options);
}
public function getDefaults(): array
{
return $this->defaults;
}
/**
* @return $this
*/
public function setDefaults(array $defaults): static
{
$this->defaults = [];
return $this->addDefaults($defaults);
}
/**
* @return $this
*/
public function addDefaults(array $defaults): static
{
if (isset($defaults['_locale']) && $this->isLocalized()) {
unset($defaults['_locale']);
}
foreach ($defaults as $name => $default) {
$this->defaults[$name] = $default;
}
$this->compiled = null;
return $this;
}
public function getDefault(string $name): mixed
{
return $this->defaults[$name] ?? null;
}
public function hasDefault(string $name): bool
{
return \array_key_exists($name, $this->defaults);
}
/**
* @return $this
*/
public function setDefault(string $name, mixed $default): static
{
if ('_locale' === $name && $this->isLocalized()) {
return $this;
}
$this->defaults[$name] = $default;
$this->compiled = null;
return $this;
}
public function getRequirements(): array
{
return $this->requirements;
}
/**
* @return $this
*/
public function setRequirements(array $requirements): static
{
$this->requirements = [];
return $this->addRequirements($requirements);
}
/**
* @return $this
*/
public function addRequirements(array $requirements): static
{
if (isset($requirements['_locale']) && $this->isLocalized()) {
unset($requirements['_locale']);
}
foreach ($requirements as $key => $regex) {
$this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
}
$this->compiled = null;
return $this;
}
public function getRequirement(string $key): ?string
{
return $this->requirements[$key] ?? null;
}
public function hasRequirement(string $key): bool
{
return \array_key_exists($key, $this->requirements);
}
/**
* @return $this
*/
public function setRequirement(string $key, string $regex): static
{
if ('_locale' === $key && $this->isLocalized()) {
return $this;
}
$this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
$this->compiled = null;
return $this;
}
public function getCondition(): string
{
return $this->condition;
}
/**
* @return $this
*/
public function setCondition(?string $condition): static
{
$this->condition = (string) $condition;
$this->compiled = null;
return $this;
}
/**
* Compiles the route.
*
* @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(): CompiledRoute
{
if (null !== $this->compiled) {
return $this->compiled;
}
$class = $this->getOption('compiler_class');
return $this->compiled = $class::compile($this);
}
private function extractInlineDefaultsAndRequirements(string $pattern): string
{
if (false === strpbrk($pattern, '?<')) {
return $pattern;
}
return preg_replace_callback('#\{(!?)([\w\x80-\xFF]++)(<.*?>)?(\?[^\}]*+)?\}#', function ($m) {
if (isset($m[4][0])) {
$this->setDefault($m[2], '?' !== $m[4] ? substr($m[4], 1) : null);
}
if (isset($m[3][0])) {
$this->setRequirement($m[2], substr($m[3], 1, -1));
}
return '{'.$m[1].$m[2].'}';
}, $pattern);
}
private function sanitizeRequirement(string $key, string $regex)
{
if ('' !== $regex) {
if ('^' === $regex[0]) {
$regex = substr($regex, 1);
} elseif (str_starts_with($regex, '\\A')) {
$regex = substr($regex, 2);
}
}
if (str_ends_with($regex, '$')) {
$regex = substr($regex, 0, -1);
} elseif (\strlen($regex) - 2 === strpos($regex, '\\z')) {
$regex = substr($regex, 0, -2);
}
if ('' === $regex) {
throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" cannot be empty.', $key));
}
return $regex;
}
private function isLocalized(): bool
{
return isset($this->defaults['_locale']) && isset($this->defaults['_canonical_route']) && ($this->requirements['_locale'] ?? null) === preg_quote($this->defaults['_locale']);
}
}