Add the trailing whitespace rule in Swiftlint

* Autocorrect the new rule in Swiftlint to remove all the trailing whitespaces
* Update the CHANGELOG

Author: Vkt0r

.swiftlint.yml

@@ -13,7 +13,6 @@ identifier_name:
 disabled_rules:
   - line_length
   - statement_position
-  - trailing_whitespace
 
 excluded: # paths to ignore during linting. Takes precedence over `included`.
   - LinuxMain.swift

CHANGELOG.md

@@ -18,7 +18,9 @@ All notable changes to this project will be documented in this file. Changes not
 
 # [Unreleased]
 
-* Nothing yet.
+## Added
+
+- Add the `trailing_whitespace` rule in Swiftlint and autocorrect all the source files. ([#416](https://github.com/httpswift/swifter/pull/416)) by [@Vkt0r](https://github.com/Vkt0r)
 
 # [1.4.7] 
 

XCode/Sources/DemoServer.swift

@@ -9,11 +9,11 @@ import Foundation
 
 // swiftlint:disable function_body_length
 public func demoServer(_ publicDir: String) -> HttpServer {
-    
+
     print(publicDir)
-    
+
     let server = HttpServer()
-    
+
     server["/public/:path"] = shareFilesFromDirectory(publicDir)
 
     server["/files/:path"] = directoryBrowser("/")
@@ -29,37 +29,37 @@ public func demoServer(_ publicDir: String) -> HttpServer {
             }
         }
     }
-    
+
     server["/magic"] = { .ok(.htmlBody("You asked for " + $0.path)) }
-    
+
     server["/test/:param1/:param2"] = { request in
         scopes {
             html {
                 body {
                     h3 { inner = "Address: \(request.address ?? "unknown")" }
                     h3 { inner = "Url: \(request.path)" }
                     h3 { inner = "Method: \(request.method)" }
-                    
+
                     h3 { inner = "Query:" }
-                    
+
                     table(request.queryParams) { param in
                         tr {
                             td { inner = param.0 }
                             td { inner = param.1 }
                         }
                     }
-                    
+
                     h3 { inner = "Headers:" }
-                    
+
                     table(request.headers) { header in
                         tr {
                             td { inner = header.0 }
                             td { inner = header.1 }
                         }
                     }
-                    
+
                     h3 { inner = "Route params:" }
-                    
+
                     table(request.params) { param in
                         tr {
                             td { inner = param.0 }
@@ -70,19 +70,19 @@ public func demoServer(_ publicDir: String) -> HttpServer {
             }
         }(request)
     }
-    
+
     server.GET["/upload"] = scopes {
         html {
             body {
                 form {
                     method = "POST"
                     action = "/upload"
                     enctype = "multipart/form-data"
-                    
+
                     input { name = "my_file1"; type = "file" }
                     input { name = "my_file2"; type = "file" }
                     input { name = "my_file3"; type = "file" }
-                    
+
                     button {
                         type = "submit"
                         inner = "Upload"
@@ -91,7 +91,7 @@ public func demoServer(_ publicDir: String) -> HttpServer {
             }
         }
     }
-    
+
     server.POST["/upload"] = { request in
         var response = ""
         for multipart in request.parseMultiPartFormData() {
@@ -100,7 +100,7 @@ public func demoServer(_ publicDir: String) -> HttpServer {
         }
         return HttpResponse.ok(.htmlBody(response))
     }
-    
+
     server.GET["/login"] = scopes {
         html {
             head {
@@ -109,11 +109,11 @@ public func demoServer(_ publicDir: String) -> HttpServer {
             }
             body {
                 h3 { inner = "Sign In" }
-                
+
                 form {
                     method = "POST"
                     action = "/login"
-                    
+
                     fieldset {
                         input { placeholder = "E-mail"; name = "email"; type = "email"; autofocus = "" }
                         input { placeholder = "Password"; name = "password"; type = "password"; autofocus = "" }
@@ -125,20 +125,20 @@ public func demoServer(_ publicDir: String) -> HttpServer {
                             }
                         }
                     }
-                    
+
                 }
                 javascript {
                     src = "http://cdn.staticfile.org/twitter-bootstrap/3.3.0/js/bootstrap.min.js"
                 }
             }
         }
     }
-    
+
     server.POST["/login"] = { request in
         let formFields = request.parseUrlencodedForm()
         return HttpResponse.ok(.htmlBody(formFields.map({ "\($0.0) = \($0.1)" }).joined(separator: "<br>")))
     }
-    
+
     server["/demo"] = scopes {
         html {
             body {
@@ -149,15 +149,15 @@ public func demoServer(_ publicDir: String) -> HttpServer {
             }
         }
     }
-    
+
     server["/raw"] = { _ in
         return HttpResponse.raw(200, "OK", ["XXX-Custom-Header": "value"], { try $0.write([UInt8]("test".utf8)) })
     }
-    
+
     server["/redirect/permanently"] = { _ in
         return .movedPermanently("http://www.google.com")
     }
-    
+
     server["/redirect/temporarily"] = { _ in
         return .movedTemporarily("http://www.google.com")
     }
@@ -167,19 +167,19 @@ public func demoServer(_ publicDir: String) -> HttpServer {
         for index in 0..<1000 { longResponse += "(\(index)),->" }
         return .ok(.htmlBody(longResponse))
     }
-    
+
     server["/wildcard/*/test/*/:param"] = { request in
         return .ok(.htmlBody(request.path))
     }
-    
+
     server["/stream"] = { _ in
         return HttpResponse.raw(200, "OK", nil, { writer in
             for index in 0...100 {
                 try writer.write([UInt8]("[chunk \(index)]".utf8))
             }
         })
     }
-    
+
     server["/websocket-echo"] = websocket(text: { (session, text) in
         session.writeText(text)
     }, binary: { (session, binary) in
@@ -191,16 +191,15 @@ public func demoServer(_ publicDir: String) -> HttpServer {
     }, disconnected: { _ in
         // Client disconnected
     })
-    
+
     server.notFoundHandler = { _ in
         return .movedPermanently("https://github.com/404")
     }
-    
+
     server.middleware.append { request in
         print("Middleware: \(request.address ?? "unknown address") -> \(request.method) -> \(request.path)")
         return nil
     }
-    
+
     return server
 }
-    

XCode/Sources/Errno.swift

@@ -8,7 +8,7 @@
 import Foundation
 
 public class Errno {
-    
+
     public class func description() -> String {
         // https://forums.developer.apple.com/thread/113919
         return String(cString: strerror(errno))

XCode/Sources/Files.swift

@@ -35,16 +35,16 @@ public func shareFilesFromDirectory(_ directoryPath: String, defaults: [String]
             }
         }
         let filePath = directoryPath + String.pathSeparator + fileRelativePath.value
-        
+
         if let file = try? filePath.openForReading() {
             let mimeType = fileRelativePath.value.mimeType()
             var responseHeader: [String: String] = ["Content-Type": mimeType]
-            
+
             if let attr = try? FileManager.default.attributesOfItem(atPath: filePath),
                 let fileSize = attr[FileAttributeKey.size] as? UInt64 {
                 responseHeader["Content-Length"] = String(fileSize)
             }
-            
+
             return .raw(200, "OK", responseHeader, { writer in
                 try? writer.write(file)
                 file.close()

XCode/Sources/HttpParser.swift

@@ -12,9 +12,9 @@ enum HttpParserError: Error {
 }
 
 public class HttpParser {
-    
+
     public init() { }
-    
+
     public func readHttpRequest(_ socket: Socket) throws -> HttpRequest {
         let statusLine = try socket.readLine()
         let statusLineTokens = statusLine.components(separatedBy: " ")
@@ -36,7 +36,7 @@ public class HttpParser {
     private func readBody(_ socket: Socket, size: Int) throws -> [UInt8] {
         return try socket.read(length: size)
     }
-    
+
     private func readHeaders(_ socket: Socket) throws -> [String: String] {
         var headers = [String: String]()
         while case let headerLine = try socket.readLine(), !headerLine.isEmpty {
@@ -47,7 +47,7 @@ public class HttpParser {
         }
         return headers
     }
-    
+
     func supportsKeepAlive(_ headers: [String: String]) -> Bool {
         if let value = headers["connection"] {
             return "keep-alive" == value.trimmingCharacters(in: .whitespaces)

XCode/Sources/HttpRequest.swift

@@ -8,24 +8,24 @@
 import Foundation
 
 public class HttpRequest {
-    
+
     public var path: String = ""
     public var queryParams: [(String, String)] = []
     public var method: String = ""
     public var headers: [String: String] = [:]
     public var body: [UInt8] = []
     public var address: String? = ""
     public var params: [String: String] = [:]
-    
+
     public init() {}
-    
+
     public func hasTokenForHeader(_ headerName: String, token: String) -> Bool {
         guard let headerValue = headers[headerName] else {
             return false
         }
         return headerValue.components(separatedBy: ",").filter({ $0.trimmingCharacters(in: .whitespaces).lowercased() == token }).count > 0
     }
-    
+
     public func parseUrlencodedForm() -> [(String, String)] {
         guard let contentTypeHeader = headers["content-type"] else {
             return []
@@ -47,20 +47,20 @@ public class HttpRequest {
             return ("", "")
         }
     }
-    
+
     public struct MultiPart {
-        
+
         public let headers: [String: String]
         public let body: [UInt8]
-        
+
         public var name: String? {
             return valueFor("content-disposition", parameter: "name")?.unquote()
         }
-        
+
         public var fileName: String? {
             return valueFor("content-disposition", parameter: "filename")?.unquote()
         }
-        
+
         private func valueFor(_ headerName: String, parameter: String) -> String? {
             return headers.reduce([String]()) { (combined, header: (key: String, value: String)) -> [String] in
                 guard header.key == headerName else {
@@ -77,7 +77,7 @@ public class HttpRequest {
                 }.first
         }
     }
-    
+
     public func parseMultiPartFormData() -> [MultiPart] {
         guard let contentTypeHeader = headers["content-type"] else {
             return []
@@ -98,7 +98,7 @@ public class HttpRequest {
         }
         return []
     }
-    
+
     private func parseMultiPartFormData(_ data: [UInt8], boundary: String) -> [MultiPart] {
         var generator = data.makeIterator()
         var result = [MultiPart]()
@@ -107,7 +107,7 @@ public class HttpRequest {
         }
         return result
     }
-    
+
     private func nextMultiPart(_ generator: inout IndexingIterator<[UInt8]>, boundary: String, isFirst: Bool) -> MultiPart? {
         if isFirst {
             guard nextUTF8MultiPartLine(&generator) == boundary else {
@@ -128,7 +128,7 @@ public class HttpRequest {
         }
         return MultiPart(headers: headers, body: body)
     }
-    
+
     private func nextUTF8MultiPartLine(_ generator: inout IndexingIterator<[UInt8]>) -> String? {
         var temp = [UInt8]()
         while let value = generator.next() {
@@ -141,11 +141,11 @@ public class HttpRequest {
         }
         return String(bytes: temp, encoding: String.Encoding.utf8)
     }
-    
+
     // swiftlint:disable identifier_name
     static let CR = UInt8(13)
     static let NL = UInt8(10)
-    
+
     private func nextMultiPartBody(_ generator: inout IndexingIterator<[UInt8]>, boundary: String) -> [UInt8]? {
         var body = [UInt8]()
         let boundaryArray = [UInt8](boundary.utf8)

XCode/Sources/HttpResponse.swift

@@ -21,7 +21,7 @@ public protocol HttpResponseBodyWriter {
 }
 
 public enum HttpResponseBody {
-    
+
     case json(Any)
     case html(String)
     case htmlBody(String)