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<?php declare(strict_types=1); |
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/* |
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* This file is part of Flight Routing. |
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* |
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* PHP version 8.0 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Divine Niiquaye Ibok (https://divinenii.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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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 Flight\Routing; |
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/** |
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* A RouteCollection represents a set of Route instances. |
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* |
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* This class provides all(*) methods for creating path+HTTP method-based routes and |
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* injecting them into the router: |
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* |
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* - get |
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* - post |
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* - put |
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* - patch |
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* - delete |
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* - options |
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* - any |
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* - resource |
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* |
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* A general `add()` method allows specifying multiple request methods and/or |
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* arbitrary request methods when creating a path-based route. |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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*/ |
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class RouteCollection implements \Countable, \ArrayAccess |
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{ |
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use Traits\PrototypeTrait; |
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/** |
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* A Pattern to Locates appropriate route by name, support dynamic route allocation using following pattern: |
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* Pattern route: `pattern/*<controller@action>` |
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* Default route: `*<controller@action>` |
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* Only action: `pattern/*<action>`. |
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*/ |
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public const RCA_PATTERN = '/^(?:([a-z]+)\:)?(?:\/{2}([^\/]+))?([^*]*)(?:\*\<(?:([\w+\\\\]+)\@)?(\w+)\>)?$/u'; |
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/** |
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* A Pattern to match the route's priority. |
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* |
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* If route path matches, 1 is expected return else 0 should be return as priority index. |
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*/ |
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protected const PRIORITY_REGEX = '/([^<[{:]+\b)/A'; |
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protected ?self $parent = null; |
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protected ?string $namedPrefix = null; |
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/** |
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* @internal |
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* |
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* @param array<string,mixed> $properties |
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*/ |
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public static function __set_state(array $properties): static |
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{ |
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$collection = new static(); |
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foreach ($properties as $property => $value) { |
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$collection->{$property} = $value; |
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} |
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return $collection; |
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} |
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/** |
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* Sort all routes beginning with static routes. |
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*/ |
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public function sort(): void |
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{ |
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if (!empty($this->groups)) { |
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$this->injectGroups('', $this->routes, $this->defaultIndex); |
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} |
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$this->sorted || $this->sorted = \usort($this->routes, static function (array $a, array $b): int { |
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$ap = $a['prefix'] ?? null; |
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$bp = $b['prefix'] ?? null; |
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return !($ap && $ap === $a['path']) <=> !($bp && $bp === $b['path']) ?: \strnatcmp($a['path'], $b['path']); |
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}); |
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} |
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/** |
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* Get all the routes. |
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* |
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* @return array<int,array<string,mixed>> |
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*/ |
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public function getRoutes(): array |
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{ |
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if (!empty($this->groups)) { |
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$this->injectGroups('', $this->routes, $this->defaultIndex); |
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} |
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return $this->routes; |
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} |
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/** |
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* Get the total number of routes. |
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*/ |
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public function count(): int |
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{ |
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if (!empty($this->groups)) { |
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$this->injectGroups('', $this->routes, $this->defaultIndex); |
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} |
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return $this->defaultIndex + 1; |
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} |
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/** |
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* Checks if route by its index exists. |
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*/ |
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public function offsetExists(mixed $offset): bool |
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{ |
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return isset($this->routes[$offset]); |
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} |
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/** |
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* Get the route by its index. |
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* |
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* @return null|array<string,mixed> |
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*/ |
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public function offsetGet(mixed $offset): ?array |
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{ |
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return $this->routes[$offset] ?? null; |
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} |
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public function offsetUnset(mixed $offset): void |
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{ |
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unset($this->routes[$offset]); |
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} |
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public function offsetSet(mixed $offset, mixed $value): void |
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{ |
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throw new \BadMethodCallException('The operator "[]" for new route, use the add() method instead.'); |
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} |
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/** |
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* Maps a pattern to a handler. |
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* |
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* You can must specify HTTP methods that should be matched. |
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* |
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* @param string $pattern Matched route pattern |
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* @param string[] $methods Matched HTTP methods |
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* @param mixed $handler Handler that returns the response when matched |
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* |
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* @return $this |
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*/ |
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public function add(string $pattern, array $methods = Router::DEFAULT_METHODS, mixed $handler = null): self |
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{ |
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$this->asRoute = true; |
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$this->routes[++$this->defaultIndex] = ['handler' => $handler]; |
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$this->path($pattern); |
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foreach ($this->prototypes as $route => $arguments) { |
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if ('prefix' === $route) { |
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$this->prefix(\implode('', $arguments)); |
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} elseif ('domain' === $route) { |
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$this->domain(...$arguments); |
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} elseif ('namespace' === $route) { |
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foreach ($arguments as $namespace) { |
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$this->namespace($namespace); |
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} |
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} else { |
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$this->routes[$this->defaultIndex][$route] = $arguments; |
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} |
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} |
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foreach ($methods as $method) { |
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$this->routes[$this->defaultIndex]['methods'][\strtoupper($method)] = true; |
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} |
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return $this; |
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} |
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/** |
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* Mounts controllers under the given route prefix. |
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* |
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* @param null|string $name The route group prefixed name |
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* @param null|callable|RouteCollection $collection A RouteCollection instance or a callable for defining routes |
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* @param bool $return If true returns a new collection instance else returns $this |
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*/ |
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public function group(string $name = null, callable|self $collection = null, bool $return = false): self |
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{ |
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$this->asRoute = false; |
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if (\is_callable($collection)) { |
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$collection($routes = $this->injectGroup($name, new static()), $return); |
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} |
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$route = $routes ?? $this->injectGroup($name, $collection ?? new static(), $return); |
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$this->groups[] = $route; |
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return $return ? $route : $this; |
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} |
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/** |
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* Merge a collection into base. |
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* |
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* @return $this |
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*/ |
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public function populate(self $collection, bool $asGroup = false) |
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{ |
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if ($asGroup) { |
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$this->groups[] = $this->injectGroup($collection->namedPrefix, $collection); |
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} else { |
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$routes = $collection->routes; |
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$asRoute = $this->asRoute; |
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if (!empty($collection->groups)) { |
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$collection->injectGroups($collection->namedPrefix ?? '', $routes, $this->defaultIndex); |
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} |
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foreach ($routes as $route) { |
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$this->add($route['path'], [], $route['handler']); |
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$this->routes[$this->defaultIndex] = \array_merge_recursive( |
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$this->routes[$this->defaultIndex], |
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\array_diff_key($route, ['path' => null, 'handler' => null, 'prefix' => null]) |
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); |
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} |
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$this->asRoute = $asRoute; |
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} |
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return $this; |
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} |
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/** |
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* Maps a GET and HEAD request to a handler. |
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* |
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* @param string $pattern Matched route pattern |
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* @param mixed $handler Handler that returns the response when matched |
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* |
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* @return $this |
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*/ |
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public function get(string $pattern, $handler = null): self |
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{ |
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return $this->add($pattern, [Router::METHOD_GET, Router::METHOD_HEAD], $handler); |
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} |
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/** |
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* Maps a POST request to a handler. |
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* |
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* @param string $pattern Matched route pattern |
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* @param mixed $handler Handler that returns the response when matched |
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* |
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* @return $this |
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*/ |
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public function post(string $pattern, $handler = null): self |
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{ |
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return $this->add($pattern, [Router::METHOD_POST], $handler); |
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} |
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/** |
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* Maps a PUT request to a handler. |
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* |
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* @param string $pattern Matched route pattern |
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* @param mixed $handler Handler that returns the response when matched |
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* |
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* @return $this |
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*/ |
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public function put(string $pattern, $handler = null): self |
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{ |
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return $this->add($pattern, [Router::METHOD_PUT], $handler); |
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} |
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/** |
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* Maps a PATCH request to a handler. |
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* |
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* @param string $pattern Matched route pattern |
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* @param mixed $handler Handler that returns the response when matched |
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* |
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* @return $this |
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*/ |
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public function patch(string $pattern, $handler = null): self |
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{ |
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return $this->add($pattern, [Router::METHOD_PATCH], $handler); |
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} |
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/** |
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* Maps a DELETE request to a handler. |
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* |
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* @param string $pattern Matched route pattern |
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* @param mixed $handler Handler that returns the response when matched |
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* |
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* @return $this |
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*/ |
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public function delete(string $pattern, $handler = null): self |
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{ |
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return $this->add($pattern, [Router::METHOD_DELETE], $handler); |
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} |
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/** |
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* Maps a OPTIONS request to a handler. |
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* |
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* @param string $pattern Matched route pattern |
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* @param mixed $handler Handler that returns the response when matched |
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* |
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* @return $this |
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*/ |
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public function options(string $pattern, $handler = null): self |
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{ |
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return $this->add($pattern, [Router::METHOD_OPTIONS], $handler); |
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} |
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/** |
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* Maps any request to a handler. |
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* |
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* @param string $pattern Matched route pattern |
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* @param mixed $handler Handler that returns the response when matched |
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* |
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* @return $this |
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*/ |
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public function any(string $pattern, $handler = null): self |
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{ |
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return $this->add($pattern, Router::HTTP_METHODS_STANDARD, $handler); |
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} |
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/** |
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* Maps any Router::HTTP_METHODS_STANDARD request to a resource handler prefixed to $action's method name. |
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* |
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* E.g: Having pattern as "/accounts/{userId}", all request made from supported request methods |
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* are to have the same url. |
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* |
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* @param string $action The prefixed name attached to request method |
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* @param string $pattern matched path where request should be sent to |
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* @param class-string|object $resource Handler that returns the response |
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* |
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* @return $this |
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*/ |
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public function resource(string $pattern, string|object $resource, string $action = 'action'): self |
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{ |
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return $this->any($pattern, new Handlers\ResourceHandler($resource, $action)); |
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} |
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public function generateRouteName(string $prefix, array $route = null): string |
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{ |
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$route = $route ?? $this->routes[$this->defaultIndex]; |
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$routeName = \implode('_', \array_keys($route['methods'] ?? [])).'_'.$prefix.$route['path'] ?? ''; |
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$routeName = \str_replace(['/', ':', '|', '-'], '_', $routeName); |
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$routeName = (string) \preg_replace('/[^a-z0-9A-Z_.]+/', '', $routeName); |
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return (string) \preg_replace(['/\_+/', '/\.+/'], ['_', '.'], $routeName); |
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} |
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// 'next', 'key', 'valid', 'rewind' |
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15 |
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protected function injectGroup(?string $prefix, self $controllers, bool $return = false): self |
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{ |
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$controllers->prototypes = \array_merge_recursive($this->prototypes, $controllers->prototypes); |
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if ($return) { |
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$controllers->parent = $this; |
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} |
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if (empty($controllers->namedPrefix)) { |
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$controllers->namedPrefix = $prefix; |
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} |
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return $controllers; |
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} |
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|
/** |
371
|
|
|
* @param array<int,array<string,mixed>> $collection |
372
|
|
|
*/ |
373
|
15 |
|
private function injectGroups(string $prefix, array &$collection, int &$count): void |
374
|
|
|
{ |
375
|
15 |
|
$unnamedRoutes = []; |
376
|
|
|
|
377
|
15 |
|
foreach ($this->groups as $group) { |
378
|
15 |
|
foreach ($group->routes as $route) { |
379
|
14 |
|
if (empty($name = $route['name'] ?? '')) { |
380
|
14 |
|
$name = $group->generateRouteName('', $route); |
381
|
|
|
|
382
|
14 |
|
if (isset($unnamedRoutes[$name])) { |
383
|
3 |
|
$name .= ('_' !== $name[-1] ? '_' : '').++$unnamedRoutes[$name]; |
384
|
|
|
} else { |
385
|
14 |
|
$unnamedRoutes[$name] = 0; |
386
|
|
|
} |
387
|
|
|
} |
388
|
|
|
|
389
|
14 |
|
$route['name'] = $prefix.$group->namedPrefix.$name; |
390
|
14 |
|
$collection[] = $route; |
391
|
14 |
|
++$count; |
392
|
|
|
} |
393
|
|
|
|
394
|
15 |
|
if (!empty($group->groups)) { |
395
|
2 |
|
$group->injectGroups($prefix.$group->namedPrefix, $collection, $count); |
396
|
|
|
} |
397
|
|
|
} |
398
|
|
|
|
399
|
15 |
|
$this->groups = []; |
400
|
|
|
} |
401
|
|
|
} |
402
|
|
|
|