Allow specialization of the RouterResponder

Sources/Hummingbird/Router/EndpointResponder.swift

@@ -15,13 +15,15 @@
 import HTTPTypes
 
 /// Stores endpoint responders for each HTTP method
+@usableFromInline
 struct EndpointResponders<Context: BaseRequestContext>: Sendable {
     init(path: String) {
         self.path = path
         self.methods = [:]
     }
 
-    public func getResponder(for method: HTTPRequest.Method) -> (any HTTPResponder<Context>)? {
+    @inlinable
+    public func getResponder(for method: __shared HTTPRequest.Method) -> (any HTTPResponder<Context>)? {
         return self.methods[method]
     }
 
@@ -41,6 +43,9 @@ struct EndpointResponders<Context: BaseRequestContext>: Sendable {
         }
     }
 
+    @usableFromInline
     var methods: [HTTPRequest.Method: any HTTPResponder<Context>]
+
+    @usableFromInline
     var path: String
 }

Sources/Hummingbird/Router/RouterResponder.swift

@@ -15,8 +15,13 @@
 import NIOCore
 
 public struct RouterResponder<Context: BaseRequestContext>: HTTPResponder {
+    @usableFromInline
     let trie: RouterTrie<EndpointResponders<Context>>
+
+    @usableFromInline
     let notFoundResponder: any HTTPResponder<Context>
+
+    @usableFromInline
     let options: RouterOptions
 
     init(
@@ -33,6 +38,7 @@ public struct RouterResponder<Context: BaseRequestContext>: HTTPResponder {
     /// Respond to request by calling correct handler
     /// - Parameter request: HTTP request
     /// - Returns: EventLoopFuture that will be fulfilled with the Response
+    @inlinable
     public func respond(to request: Request, context: Context) async throws -> Response {
         let path: String
         if self.options.contains(.caseInsensitive) {

Sources/Hummingbird/Router/Trie/RouterTrie.swift

@@ -48,26 +48,26 @@ struct TrieNode: Sendable {
 struct Trie: Sendable {
     @usableFromInline
     var nodes = [TrieNode]()
-    
+
     @usableFromInline
     var parameters = [Substring]()
 
     @usableFromInline
     var constants = [Substring]()
-    
+
     @usableFromInline
     init() {}
 }
 
-@_spi(Internal) public final class RouterTrie<Value: Sendable>: Sendable {
+@usableFromInline
+internal final class RouterTrie<Value: Sendable>: Sendable {
     @usableFromInline
     let trie: Trie
-    
+
     @usableFromInline
     let values: [Value?]
 
-    @inlinable
-    @_spi(Internal) public init(base: RouterPathTrieBuilder<Value>) {
+    internal init(base: RouterPathTrieBuilder<Value>) {
         var trie = Trie()
         var values: [Value?] = []
 

Sources/Hummingbird/Router/Trie/Trie+resolve.swift

@@ -16,8 +16,8 @@ import NIOCore
 
 extension RouterTrie {
     /// Resolve a path to a `Value` if available
-    @inlinable
-    @_spi(Internal) public func resolve(_ path: String) -> (value: Value, parameters: Parameters)? {
+    @usableFromInline
+    internal func resolve(_ path: String) -> (value: Value, parameters: Parameters)? {
         let pathComponents = path.split(separator: "/", omittingEmptySubsequences: true)
         var pathComponentsIterator = pathComponents.makeIterator()
         var parameters = Parameters()

Sources/Hummingbird/Router/Trie/Trie+serialize.swift

@@ -15,7 +15,6 @@
 import NIOCore
 
 extension RouterTrie {
-    @usableFromInline
     static func serialize(
         _ node: RouterPathTrieBuilder<Value>.Node,
         trie: inout Trie,
@@ -92,7 +91,6 @@ extension RouterTrie {
         trie.nodes[nodeIndex].nextSiblingNodeIndex = trie.nodes.count
     }
 
-    @usableFromInline
     static func serializeChildren(
         of node: RouterPathTrieBuilder<Value>.Node,
         trie: inout Trie,
@@ -105,7 +103,6 @@ extension RouterTrie {
         }
     }
 
-    @usableFromInline
     internal static func highestPriorityFirst(lhs: RouterPathTrieBuilder<Value>.Node, rhs: RouterPathTrieBuilder<Value>.Node) -> Bool {
         lhs.key.priority > rhs.key.priority
     }

Sources/Hummingbird/Router/TrieRouter.swift

@@ -41,7 +41,7 @@ import HummingbirdCore
         }
     }
 
-    @_spi(Internal) public func build() -> RouterTrie<Value> {
+    internal func build() -> RouterTrie<Value> {
         .init(base: self)
     }