Merge pull request #371 from xmartlabs/feature/swiftlint

Add swiftlint & fixes

.swiftlint.yml

@@ -0,0 +1,51 @@
+disabled_rules: # rule identifiers to exclude from running
+# - colon
+# - comma
+# - control_statement
+ - line_length
+ - function_body_length
+ - identifier_name
+ - type_name
+ - large_tuple
+opt_in_rules: # some rules are only opt-in
+ - empty_count
+ # Find all the available rules by running:
+ # swiftlint rules
+excluded: # paths to ignore during linting. Takes precedence over `included`.
+ - Carthage
+ - Pods
+ - Source/ExcludedFolder
+ - Source/ExcludedFile.swift
+
+# configurable rules can be customized from this configuration file
+# binary rules can set their severity level
+force_cast: warning # implicitly
+force_try:
+ severity: warning # explicitly
+# rules that have both warning and error levels, can set just the warning level
+# implicitly
+line_length: 200
+# they can set both implicitly with an array
+type_body_length:
+ - 300 # warning
+ - 400 # error
+# or they can set both explicitly
+file_length:
+ warning: 500
+ error: 1200
+# naming rules can set warnings/errors for min_length and max_length
+# additionally they can set excluded names
+type_name:
+ min_length: 4 # only warning
+ max_length: # warning and error
+ warning: 40
+ error: 50
+ excluded: iPhone # excluded via string
+identifier_name:
+ min_length: # only min_length
+ error: 4 # only error
+ excluded: # excluded via string array
+ - id
+ - URL
+ - GlobalAPIKey
+reporter: "xcode" # reporter type (xcode, json, csv, checkstyle, junit, html, emoji)

.travis.yml

@@ -1,7 +1,7 @@
 language: objective-c
-osx_image: xcode8
+osx_image: xcode8.3
 env:
- - DESTINATION="OS=10.0,name=iPhone 6s" SCHEME="XLPagerTabStrip" SDK=iphonesimulator10.0
+ - DESTINATION="OS=10.3,name=iPhone 6s" SCHEME="XLPagerTabStrip" SDK=iphonesimulator10.3
 before_install:
 - brew update
 #- brew outdated carthage || brew upgrade carthage

Example/Example/AppDelegate.swift

@@ -12,15 +12,14 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
  var window: UIWindow?
 
-
  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
  // Override point for customization after application launch.
- 
+
  UITabBar.appearance().tintColor = UIColor.init(red: 0.027, green: 0.725, blue: 0.608, alpha: 1)
  UIApplication.shared.statusBarStyle = .lightContent
- 
- let _ = YoutubeExampleViewController(nibName: nil, bundle: nil)
- 
+
+ _ = YoutubeExampleViewController(nibName: nil, bundle: nil)
+
  return true
  }
 
@@ -46,6 +45,4 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
  // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
  }
 
-
 }
-

Example/Example/BarExampleViewController.swift

@@ -27,51 +27,50 @@ import XLPagerTabStrip
 
 class BarExampleViewController: BarPagerTabStripViewController {
  var isReload = false
- 
+
  required init?(coder aDecoder: NSCoder) {
  super.init(coder: aDecoder)
  }
- 
+
  override func viewDidLoad() {
- 
+
  // set up style before super view did load is executed
  settings.style.selectedBarBackgroundColor = .orange
  // - 
- 
+
  super.viewDidLoad()
  }
- 
+
  // MARK: - PagerTabStripDataSource
- 
+
  override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
- 
+
  let child_1 = TableChildExampleViewController(style: .plain, itemInfo: "Table View")
  let child_2 = ChildExampleViewController(itemInfo: "View")
  let child_3 = TableChildExampleViewController(style: .grouped, itemInfo: "Table View 2")
  let child_4 = ChildExampleViewController(itemInfo: "View 2")
- 
+
  guard isReload else {
  return [child_1, child_2, child_3, child_4]
  }
- 
+
  var childViewControllers = [child_1, child_2, child_3, child_4]
- for (index, _) in childViewControllers.enumerated(){
+ for index in childViewControllers.indices {
  let nElements = childViewControllers.count - index
  let n = (Int(arc4random()) % nElements) + index
- if n != index{
+ if n != index {
  swap(&childViewControllers[index], &childViewControllers[n])
  }
  }
  let nItems = 1 + (arc4random() % 4)
  return Array(childViewControllers.prefix(Int(nItems)))
  }
- 
+
  override func reloadPagerTabStripView() {
  isReload = true
  if arc4random() % 2 == 0 {
  pagerBehaviour = .progressive(skipIntermediateViewControllers: arc4random() % 2 == 0, elasticIndicatorLimit: arc4random() % 2 == 0 )
- }
- else {
+ } else {
  pagerBehaviour = .common(skipIntermediateViewControllers: arc4random() % 2 == 0)
  }
  super.reloadPagerTabStripView()

Example/Example/ButtonBarExampleViewController.swift

@@ -26,18 +26,18 @@ import Foundation
 import XLPagerTabStrip
 
 class ButtonBarExampleViewController: ButtonBarPagerTabStripViewController {
- 
+
  var isReload = false
- 
+
  override func viewDidLoad() {
  super.viewDidLoad()
- 
+
  buttonBarView.selectedBar.backgroundColor = .orange
  buttonBarView.backgroundColor = UIColor(red: 7/255, green: 185/255, blue: 155/255, alpha: 1)
  }
- 
+
  // MARK: - PagerTabStripDataSource
- 
+
  override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
  let child_1 = TableChildExampleViewController(style: .plain, itemInfo: "Table View")
  let child_2 = ChildExampleViewController(itemInfo: "View")
@@ -47,30 +47,29 @@ class ButtonBarExampleViewController: ButtonBarPagerTabStripViewController {
  let child_6 = ChildExampleViewController(itemInfo: "View 3")
  let child_7 = TableChildExampleViewController(style: .grouped, itemInfo: "Table View 4")
  let child_8 = ChildExampleViewController(itemInfo: "View 4")
- 
+
  guard isReload else {
  return [child_1, child_2, child_3, child_4, child_5, child_6, child_7, child_8]
  }
- 
+
  var childViewControllers = [child_1, child_2, child_3, child_4, child_6, child_7, child_8]
- 
- for (index, _) in childViewControllers.enumerated(){
+
+ for index in childViewControllers.indices {
  let nElements = childViewControllers.count - index
  let n = (Int(arc4random()) % nElements) + index
- if n != index{
+ if n != index {
  swap(&childViewControllers[index], &childViewControllers[n])
  }
  }
  let nItems = 1 + (arc4random() % 8)
  return Array(childViewControllers.prefix(Int(nItems)))
  }
- 
+
  override func reloadPagerTabStripView() {
  isReload = true
  if arc4random() % 2 == 0 {
  pagerBehaviour = .progressive(skipIntermediateViewControllers: arc4random() % 2 == 0, elasticIndicatorLimit: arc4random() % 2 == 0 )
- }
- else {
+ } else {
  pagerBehaviour = .common(skipIntermediateViewControllers: arc4random() % 2 == 0)
  }
  super.reloadPagerTabStripView()

Example/Example/ChildControllers/ChildExampleViewController.swift

@@ -26,9 +26,9 @@ import Foundation
 import XLPagerTabStrip
 
 class ChildExampleViewController: UIViewController, IndicatorInfoProvider {
- 
+
  var itemInfo: IndicatorInfo = "View"
- 
+
  init(itemInfo: IndicatorInfo) {
  self.itemInfo = itemInfo
  super.init(nibName: nil, bundle: nil)
@@ -37,23 +37,23 @@ class ChildExampleViewController: UIViewController, IndicatorInfoProvider {
  required init?(coder aDecoder: NSCoder) {
  fatalError("init(coder:) has not been implemented")
  }
- 
+
  override func viewDidLoad() {
  super.viewDidLoad()
- 
+
  let label = UILabel()
  label.translatesAutoresizingMaskIntoConstraints = false
  label.text = "XLPagerTabStrip"
- 
+
  view.addSubview(label)
  view.backgroundColor = .white
- 
+
  view.addConstraint(NSLayoutConstraint(item: label, attribute: .centerX, relatedBy: .equal, toItem: view, attribute: .centerX, multiplier: 1, constant: 0))
  view.addConstraint(NSLayoutConstraint(item: label, attribute: .centerY, relatedBy: .equal, toItem: view, attribute: .centerY, multiplier: 1, constant: -50))
  }
- 
+
  // MARK: - IndicatorInfoProvider
- 
+
  func indicatorInfo(for pagerTabStripController: PagerTabStripViewController) -> IndicatorInfo {
  return itemInfo
  }

Example/Example/ChildControllers/TableChildExampleViewController.swift

@@ -26,60 +26,61 @@ import Foundation
 import XLPagerTabStrip
 
 class TableChildExampleViewController: UITableViewController, IndicatorInfoProvider {
- 
+
  let cellIdentifier = "postCell"
  var blackTheme = false
  var itemInfo = IndicatorInfo(title: "View")
- 
+
  init(style: UITableViewStyle, itemInfo: IndicatorInfo) {
  self.itemInfo = itemInfo
  super.init(style: style)
  }
- 
+
  required init?(coder aDecoder: NSCoder) {
  fatalError("init(coder:) has not been implemented")
  }
- 
+
  override func viewDidLoad() {
  super.viewDidLoad()
  tableView.register(UINib(nibName: "PostCell", bundle: Bundle.main), forCellReuseIdentifier: cellIdentifier)
- tableView.estimatedRowHeight = 60.0;
+ tableView.estimatedRowHeight = 60.0
  tableView.rowHeight = UITableViewAutomaticDimension
  tableView.allowsSelection = false
  if blackTheme {
  tableView.backgroundColor = UIColor(red: 15/255.0, green: 16/255.0, blue: 16/255.0, alpha: 1.0)
  }
  }
- 
+
  override func viewWillAppear(_ animated: Bool) {
  super.viewWillAppear(animated)
  tableView.reloadData()
  }
- 
+
  // MARK: - UITableViewDataSource
- 
+
  override func numberOfSections(in tableView: UITableView) -> Int {
  return 1
  }
- 
+
  override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
  return DataProvider.sharedInstance.postsData.count
  }
 
  override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
- let cell = tableView.dequeueReusableCell(withIdentifier: cellIdentifier, for: indexPath) as! PostCell
- let data = DataProvider.sharedInstance.postsData.object(at: indexPath.row) as!
- NSDictionary
+ guard let cell = tableView.dequeueReusableCell(withIdentifier: cellIdentifier, for: indexPath) as? PostCell,
+  let data = DataProvider.sharedInstance.postsData.object(at: indexPath.row) as? NSDictionary else { return PostCell() }
+
  cell.configureWithData(data)
  if blackTheme {
  cell.changeStylToBlack()
  }
  return cell
  }
- 
+
  // MARK: - IndicatorInfoProvider
 
  func indicatorInfo(for pagerTabStripController: PagerTabStripViewController) -> IndicatorInfo {
  return itemInfo
  }
+
 }

Example/Example/Helpers/DataProvider.swift

@@ -27,33 +27,27 @@ import UIKit
 
 class DataProvider {
  static let sharedInstance = DataProvider()
- 
+
  lazy var postsData: NSArray = {
  let jsonStr = "[{\"post\":{\"id\":113,\"text\":\"We're getting fifty percent of the t-shirt sales\",\"created_at\":\"2014-04-17T00:45:40.556Z\",\"user\":{\"id\":9,\"name\":\"Lisa Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Lisa_Simpsons.png\"}}},{\"post\":{\"id\":66,\"text\":\"Eep!\",\"created_at\":\"2014-04-09T21:29:59.982Z\",\"user\":{\"id\":7,\"name\":\"Bart Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Bart_Simpsons.png\"}}},{\"post\":{\"id\":42,\"text\":\"I'm not thinking straight, why did I have that wine cooler last month?\",\"created_at\":\"2014-04-09T17:58:41.704Z\",\"user\":{\"id\":5,\"name\":\"Ned Flanders\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Ned_Flanders.png\"}}},{\"post\":{\"id\":84,\"text\":\"Son, when you participate in sporting events, it's not whether you win or lose: it's how drunk you get.\",\"created_at\":\"2014-04-03T20:21:32.119Z\",\"user\":{\"id\":8,\"name\":\"Homer Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Homer_Simpsons.png\"}}},{\"post\":{\"id\":75,\"text\":\"I'm normally not a praying man, but if you're up there, please save me Superman.\",\"created_at\":\"2014-04-03T02:04:43.053Z\",\"user\":{\"id\":8,\"name\":\"Homer Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Homer_Simpsons.png\"}}},{\"post\":{\"id\":26,\"text\":\"Homer, please get rid of that pig.\",\"created_at\":\"2014-04-02T03:48:56.381Z\",\"user\":{\"id\":3,\"name\":\"Marge Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Marge_Simpsons.png\"}}},{\"post\":{\"id\":40,\"text\":\"You sold weapon-grade plutoneum to the Iraqies without a mark up.\",\"created_at\":\"2014-03-28T05:23:24.657Z\",\"user\":{\"id\":4,\"name\":\"Montgomery Burns\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Montgomery_Burns.png\"}}},{\"post\":{\"id\":28,\"text\":\"Homer, don't say that. The way I see it, if you raised three children who can knock out and hog tie a perfect stranger you must be doing something right.\",\"created_at\":\"2014-03-22T14:24:22.408Z\",\"user\":{\"id\":3,\"name\":\"Marge Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Marge_Simpsons.png\"}}},{\"post\":{\"id\":48,\"text\":\"Hi-dilly-ho, neighborinos!\",\"created_at\":\"2014-03-21T08:39:20.764Z\",\"user\":{\"id\":5,\"name\":\"Ned Flanders\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Ned_Flanders.png\"}}},{\"post\":{\"id\":78,\"text\":\"Maybe, just once, someone will call me 'Sir' without adding, 'You're making a scene.'\",\"created_at\":\"2014-03-20T02:44:28.075Z\",\"user\":{\"id\":8,\"name\":\"Homer Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Homer_Simpsons.png\"}}},{\"post\":{\"id\":33,\"text\":\"This is the type of trickery I pay you for.\",\"created_at\":\"2014-03-18T08:25:14.507Z\",\"user\":{\"id\":4,\"name\":\"Montgomery Burns\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Montgomery_Burns.png\"}}},{\"post\":{\"id\":72,\"text\":\"Oh, so they have internet on computers now!\",\"created_at\":\"2014-03-03T19:02:56.032Z\",\"user\":{\"id\":8,\"name\":\"Homer Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Homer_Simpsons.png\"}}},{\"post\":{\"id\":1,\"text\":\"You know, I do! I mean, there comes a time in a man's life when he asks himself, 'who will float my corpse down the Ganges?'\",\"created_at\":\"2014-02-24T14:09:00.912Z\",\"user\":{\"id\":1,\"name\":\"Apu Nahasapeemapetilon\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Apu_Nahasapeemapetilon.png\"}}},{\"post\":{\"id\":62,\"text\":\"Ay Caramba!\",\"created_at\":\"2014-02-18T16:38:37.958Z\",\"user\":{\"id\":7,\"name\":\"Bart Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Bart_Simpsons.png\"}}},{\"post\":{\"id\":19,\"text\":\"Throughout the ages, the finger painter, the Play-Doh sculptor, the Lincoln Logger, stood alone against the daycare teacher of her time. She did not live to earn aproval stickers, she lived for herself, that she might achieve things that are the glory of all humanity. These are my terms. I do not care to play by any others. And now, if the jury will allow me, it's naptime.\",\"created_at\":\"2014-02-16T22:11:33.236Z\",\"user\":{\"id\":2,\"name\":\"Maggie Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Maggie_Simpsons.png\"}}},{\"post\":{\"id\":76,\"text\":\"Son, if you really want something in this life, you have to work for it. Now quiet! They're about to announce the lottery numbers.\",\"created_at\":\"2014-02-16T19:09:55.062Z\",\"user\":{\"id\":8,\"name\":\"Homer Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Homer_Simpsons.png\"}}},{\"post\":{\"id\":22,\"text\":\"Somebody throw the goddamn bomb!\",\"created_at\":\"2014-02-16T13:50:25.313Z\",\"user\":{\"id\":3,\"name\":\"Marge Simpsons\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Marge_Simpsons.png\"}}},{\"post\":{\"id\":36,\"text\":\"Oh, so mother nature needs a favor? Well, maybe she should have thought of that when she was besetting us with droughts and floods and poison monkeys.\",\"created_at\":\"2014-02-13T06:51:57.549Z\",\"user\":{\"id\":4,\"name\":\"Montgomery Burns\",\"imageURL\":\"http://obscure-refuge-3149.herokuapp.com/images/Montgomery_Burns.png\"}}}]"
  let jsonData = jsonStr.data(using: String.Encoding.utf8)
- return try! JSONSerialization.jsonObject(with: jsonData!, options: []) as! NSArray
+ let res = try! JSONSerialization.jsonObject(with: jsonData!, options: []) // swiftlint:disable:this force_try
+ return res as! NSArray // swiftlint:disable:this force_cast
  }()
 }
 
 class NavController: UINavigationController {
-
-
- override var preferredStatusBarStyle : UIStatusBarStyle {
+
+ override var preferredStatusBarStyle: UIStatusBarStyle {
  return .lightContent
  }
- 
+
 }
 
+class TabBarController: UITabBarController {
 
-class TabBarController : UITabBarController {
-
- override var preferredStatusBarStyle : UIStatusBarStyle {
+ override var preferredStatusBarStyle: UIStatusBarStyle {
  return .lightContent
  }
-
-}
-
-
-
-
 
+}