Refactor Project Structure, Break Request Types Out Into Separate Fil…

…es (Alamofire#3819)

### Goals ⚽
Alamofire's project structure has grown from its original single-file
origin into many files on disk. Unfortunately, as the project has grown,
the `Request.swift` file has grown rather gigantic, topping 2600 lines
after the recent addition of `WebSocketRequest`. This PR breaks up
`Request.swift` into separate files for each request type. It also moves
all the previous serialization extensions from
`ResponseSerialization.swift` to their associated type's files.

This PR also restructures some of the project's layout on disk to make
some Xcode groups proper folders.

This PR also creates the `AFInfo` namespace and moves the previously
internal `version` value into it to make it public.

This PR also adds primary associated types to the serialization
protocols.

.spi.yml

@@ -0,0 +1,5 @@
+version: 1
+external_links:
+  documentation: "https://alamofire.github.io/Alamofire/"
+metadata:
+  authors: "Jon Shier, Christian Noon"

Alamofire.xcodeproj/xcshareddata/xcschemes/Alamofire iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1500"
+   LastUpgradeVersion = "1530"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"

Alamofire.xcodeproj/xcshareddata/xcschemes/Alamofire macOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1500"
+   LastUpgradeVersion = "1530"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"

Alamofire.xcodeproj/xcshareddata/xcschemes/Alamofire tvOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1500"
+   LastUpgradeVersion = "1530"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"

Alamofire.xcodeproj/xcshareddata/xcschemes/Alamofire visionOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1500"
+   LastUpgradeVersion = "1530"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"

Alamofire.xcodeproj/xcshareddata/xcschemes/Alamofire watchOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1500"
+   LastUpgradeVersion = "1530"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"

Example/iOS Example.xcodeproj/xcshareddata/xcschemes/iOS Example.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1500"
+   LastUpgradeVersion = "1530"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Package.swift

@@ -1,8 +1,8 @@
-// swift-tools-version:5.9
+// swift-tools-version:5.10
 //
 //  Package.swift
 //
-//  Copyright (c) 2022 Alamofire Software Foundation (http://alamofire.org/)
+//  Copyright (c) 2024 Alamofire Software Foundation (http://alamofire.org/)
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal

Package@swift-5.9.swift

@@ -0,0 +1,50 @@
+// swift-tools-version:5.9
+//
+//  [email protected]
+//
+//  Copyright (c) 2022 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import PackageDescription
+
+let package = Package(name: "Alamofire",
+                      platforms: [.macOS(.v10_13),
+                                  .iOS(.v11),
+                                  .tvOS(.v11),
+                                  .watchOS(.v4)],
+                      products: [
+                          .library(name: "Alamofire", targets: ["Alamofire"]),
+                          .library(name: "AlamofireDynamic", type: .dynamic, targets: ["Alamofire"])
+                      ],
+                      targets: [.target(name: "Alamofire",
+                                        path: "Source",
+                                        exclude: ["Info.plist"],
+                                        linkerSettings: [.linkedFramework("CFNetwork",
+                                                                          .when(platforms: [.iOS,
+                                                                                            .macOS,
+                                                                                            .tvOS,
+                                                                                            .watchOS]))]),
+                                .testTarget(name: "AlamofireTests",
+                                            dependencies: ["Alamofire"],
+                                            path: "Tests",
+                                            exclude: ["Info.plist", "Test Plans"],
+                                            resources: [.process("Resources")])],
+                      swiftLanguageVersions: [.v5])

Source/Alamofire.swift

@@ -36,5 +36,8 @@ import Foundation
 /// Reference to `Session.default` for quick bootstrapping and examples.
 public let AF = Session.default
 
-/// Current Alamofire version. Necessary since SPM doesn't use dynamic libraries. Plus this will be more accurate.
-let version = "5.8.1"
+/// Namespace for informational Alamofire values.
+public enum AFInfo {
+    /// Current Alamofire version.
+    public static let version = "5.8.1"
+}