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<?php |
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namespace Mpociot\ApiDoc\Extracting; |
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use Illuminate\Routing\Route; |
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use Mpociot\ApiDoc\Tools\Utils; |
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use Mpociot\Reflection\DocBlock; |
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use ReflectionClass; |
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use ReflectionFunction; |
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/** |
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* Class RouteDocBlocker |
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* Utility class to help with retrieving doc blocks from route classes and methods. |
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* Also caches them so repeated access is faster. |
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*/ |
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class RouteDocBlocker |
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{ |
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protected static $docBlocks = []; |
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/** |
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* @param Route $route |
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* |
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* @throws \ReflectionException |
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* @throws \Exception |
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* |
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* @return array<string, DocBlock> Method and class docblocks |
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*/ |
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public static function getDocBlocksFromRoute(Route $route): array |
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{ |
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list($className, $methodName) = Utils::getRouteClassAndMethodNames($route); |
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$normalizedClassName = static::normalizeClassName($className); |
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$docBlocks = self::getCachedDocBlock($route, $normalizedClassName, $methodName); |
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if ($docBlocks) { |
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return $docBlocks; |
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} |
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$class = new ReflectionClass($className); |
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if (! $class->hasMethod($methodName)) { |
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throw new \Exception("Error while fetching docblock for route: Class $className does not contain method $methodName"); |
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} |
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$method = $className instanceof \Closure |
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? new ReflectionFunction($className) |
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: $class->getMethod($methodName); |
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$docBlocks = [ |
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'method' => new DocBlock($method->getDocComment() ?: ''), |
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'class' => new DocBlock($class->getDocComment() ?: ''), |
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]; |
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self::cacheDocBlocks($route, $normalizedClassName, $methodName, $docBlocks); |
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return $docBlocks; |
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} |
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/** |
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* @param string|object $classNameOrInstance |
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* @return string |
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*/ |
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protected static function normalizeClassName($classNameOrInstance): string |
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{ |
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if (is_object($classNameOrInstance)) { |
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// route handlers are not destroyed until the script |
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// ends so this should be perfectly safe. |
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$classNameOrInstance = get_class($classNameOrInstance) . '::' . spl_object_id($classNameOrInstance); |
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} |
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return $classNameOrInstance; |
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} |
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protected static function getCachedDocBlock(Route $route, string $className, string $methodName) |
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{ |
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$routeId = self::getRouteCacheId($route, $className, $methodName); |
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return self::$docBlocks[$routeId] ?? null; |
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} |
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protected static function cacheDocBlocks(Route $route, string $className, string $methodName, array $docBlocks) |
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{ |
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$routeId = self::getRouteCacheId($route, $className, $methodName); |
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self::$docBlocks[$routeId] = $docBlocks; |
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} |
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private static function getRouteCacheId(Route $route, string $className, string $methodName): string |
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{ |
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return $route->uri() |
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.':' |
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.implode(array_diff($route->methods(), ['HEAD'])) |
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.$className |
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.$methodName; |
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} |
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} |
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mpociot /
laravel-apidoc-generator
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