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<?php |
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namespace Simply\Router; |
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/** |
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* Provides route definitions and matching arrays for the router. |
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* @author Riikka Kalliomäki <[email protected]> |
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* @copyright Copyright (c) 2018 Riikka Kalliomäki |
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* @license http://opensource.org/licenses/mit-license.php MIT License |
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*/ |
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class RouteDefinitionProvider |
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{ |
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/** @var array<int[]> List of static paths to route */ |
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protected $staticRoutes = []; |
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/** @var array<int[]> List of routes per number of segments */ |
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protected $segmentCounts = []; |
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/** @var array<array<int[]>> List of routes by each segment */ |
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protected $segmentValues = []; |
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/** @var array[] Cache of all route definitions */ |
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protected $routeDefinitions = []; |
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/** @var int[] List of routes by their name */ |
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protected $routesByName = []; |
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/** |
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* Adds a new route definition. |
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* @param RouteDefinition $definition A new route definition to add |
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*/ |
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public function addRouteDefinition(RouteDefinition $definition): void |
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{ |
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$name = $definition->getName(); |
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if (isset($this->routesByName[$name])) { |
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throw new \InvalidArgumentException("Route with name '$name' already exists"); |
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} |
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$routeId = \count($this->routeDefinitions); |
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$segments = $definition->getSegments(); |
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$this->routeDefinitions[$routeId] = $definition->getDefinitionCache(); |
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$this->routesByName[$name] = $routeId; |
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if ($definition->isStatic()) { |
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$this->staticRoutes[implode('/', $segments)][] = $routeId; |
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return; |
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} |
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foreach ($segments as $i => $segment) { |
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$this->segmentValues[$i][$segment][$routeId] = $routeId; |
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} |
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$this->segmentCounts += array_fill(0, \count($segments) + 1, []); |
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$this->segmentCounts[\count($segments)][$routeId] = $routeId; |
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} |
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/** |
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* Returns PHP code for cached RouteDefinitionProvider that can be stored in file and included. |
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* @return string PHP code for cached RouteDefinitionProvider |
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*/ |
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public function getCacheFile(): string |
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{ |
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$template = <<<'TEMPLATE' |
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<?php return new class extends \Simply\Router\RouteDefinitionProvider { |
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protected $staticRoutes = ['STATICS']; |
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protected $segmentCounts = ['COUNTS']; |
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protected $segmentValues = ['VALUES']; |
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protected $routeDefinitions = ['DEFINITIONS']; |
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protected $routesByName = ['NAMES']; |
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}; |
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TEMPLATE; |
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return strtr($template, [ |
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"['STATICS']" => var_export($this->staticRoutes, true), |
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"['COUNTS']" => var_export($this->segmentCounts, true), |
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"['VALUES']" => var_export($this->segmentValues, true), |
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"['DEFINITIONS']" => var_export($this->routeDefinitions, true), |
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"['NAMES']" => var_export($this->routesByName, true), |
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]); |
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} |
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/** |
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* Returns list of routes per static path. |
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* @return array[] List of routes per static path |
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*/ |
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public function getStaticRoutes(): array |
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{ |
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return $this->staticRoutes; |
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} |
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/** |
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* Returns route ids with specific segment count. |
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* @param int $count The number of segments in the path |
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* @return int[] List of route ids with specific segment count |
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*/ |
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public function getSegmentCountIds(int $count): array |
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{ |
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return $this->segmentCounts[$count] ?? []; |
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} |
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/** |
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* Returns route ids with specific value for specific segment. |
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* @param int $segment The number of the segment |
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* @param string $value The value for the segment or '/' dynamic segments |
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* @return int[] List of route ids the match the given criteria |
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*/ |
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public function getSegmentValueIds(int $segment, string $value): array |
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{ |
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return $this->segmentValues[$segment][$value] ?? []; |
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} |
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/** |
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* Returns a route definition by a specific id. |
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* @param int $routeId Id of the route definition |
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* @return RouteDefinition The route definition for the specific id |
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*/ |
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public function getRouteDefinition(int $routeId): RouteDefinition |
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{ |
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if (!isset($this->routeDefinitions[$routeId])) { |
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throw new \InvalidArgumentException("Invalid route id '$routeId'"); |
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} |
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return RouteDefinition::createFromCache($this->routeDefinitions[$routeId]); |
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} |
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/** |
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* Returns a route definition by the name of the route. |
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* @param string $name The name of the route |
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* @return RouteDefinition The route definition with the given name |
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*/ |
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public function getRouteDefinitionByName(string $name): RouteDefinition |
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{ |
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if (!isset($this->routesByName[$name])) { |
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throw new \InvalidArgumentException("Invalid route name '$name'"); |
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} |
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return $this->getRouteDefinition($this->routesByName[$name]); |
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} |
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} |
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simply-framework /
router
