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Code Issues Releases Wiki Activity

Fix line endings

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sharkdp
2020-10-09 22:55:16 +02:00
committed by David Peter
parent fdef133d3d
commit a81254ed2a
1 changed files with 268 additions and 268 deletions
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536
tests/syntax-tests/highlighted/Swift/test.swift
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@@ -1,268 +1,268 @@
class Person {
// We can define class property here

var age = 25
// Implement Class initializer. Initializers are called when a new object of this class is created

init() { 
 print(“A new instance of this class Person is created.”) 
 } 
} 
// We can now create an instance of class Person - an object - by putting parentheses after the class name

let personObj = Person()
// Once an instance of Person class is created we can access its properties using the dot “.” syntax.

print(“This person age is \(personObj.age)”)

import Foundation
class Friend : Comparable {
 let name : String
 let age : Int
 
 init(name : String, age: Int) {
 self.name = name
 self.age = age
 }
}
func < (lhs: Friend, rhs: Friend) -> Bool {
 return lhs.age < rhs.age } func > (lhs: Friend, rhs: Friend) -> Bool {
 return lhs.age > rhs.age
}
func == (lhs: Friend, rhs: Friend) -> Bool {
 var returnValue = false
 if (lhs.name == rhs.name) && (lhs.age == rhs.age)
 {
 returnValue = true
 }
 return returnValue
}

 let friend1 = Friend(name: "Sergey", age: 35)
 let friend2 = Friend(name: "Sergey", age: 30)
 
 print("\Compare Friend object. Same person? (friend1 == friend2)")

func sayHelloWorld() {
 print("Hello World")
}
// Call function

sayHelloWorld()

func printOutFriendNames(names: String...) {
 
 for name in names {
 
 print(name)
 }
 
}
// Call the printOutFriendNames with two parameters

printOutFriendNames("Sergey", "Bill")
// Call the function with more parameters

printOutFriendNames("Sergey", "Bill", "Max")

let simpleClosure = {
 print("From a simpleClosure")
}
// Call closure

simpleClosure() 

let fullName = { (firstName:String, lastName:String)->String in
 return firstName + " " + lastName
}
// Call Closure

let myFullName = fullName("Sergey", "Kargopolov")
print("My full name is \(myFullName)")

let myDictionary = [String:String]()
// Another way to create an empty dictionary

let myDictionary2:[String:String] = [:]
// Keys in dictionary can also be of type Int

let myDictionary3 = [Int:String]()

var myDictionary = ["first_name": "Sergey", "last_name": "Kargopolov"]
// print to preview

print(myDictionary)
// Add a new key with a value

myDictionary["user_id"] = "f5h7ru0tJurY8f7g5s6fd"
// We should now have 3 key value pairs printed

print(myDictionary)

var myDictionary = ["first_name": "Sergey", "last_name": "Kargopolov"]
// Loop through dictionary keys and print values

for (key,value) in myDictionary {
 print("\(key) = \(value)")
}
 class Friend {
 let name : String
 let age : Int
 
 init(name : String, age: Int) {
 self.name = name
 self.age = age
 }
}

 var friends:[Friend] = []
 
 let friend1 = Friend(name: "Sergey", age: 30)
 let friend2 = Friend(name: "Bill", age: 35)
 let friend3 = Friend(name: "Michael", age: 21)
 
 friends.append(friend1)
 friends.append(friend2)
 friends.append(friend3)
 
 printFriends(friends: friends)
 
 // Get sorted array in descending order (largest to the smallest number)

 let sortedFriends = friends.sorted(by: { $0.age > $1.age })
 printFriends(friends: sortedFriends)
 
 // Get sorted array in ascending order (smallest to the largest number)

 let sortedFriendsAscendingOrder = friends.sorted(by: { $0.age < $1.age })
 printFriends(friends: sortedFriendsAscendingOrder)


 func printFriends(friends: [Friend])
 {
 for friendEntry in friends {
 print("Name: \(friendEntry.name), age: \(friendEntry.age)")
 }
 }

import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
 super.viewDidLoad()
}
override func viewWillAppear(_ animated: Bool) {
 super.viewWillAppear(animated)
 
 // Create destination URL 

 let documentsUrl:URL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first as URL!
 let destinationFileUrl = documentsUrl.appendingPathComponent("downloadedFile.jpg")
 
 //Create URL to the source file you want to download

 let fileURL = URL(string: "https://s3.amazonaws.com/learn-swift/IMG_0001.JPG")
 
 let sessionConfig = URLSessionConfiguration.default
 let session = URLSession(configuration: sessionConfig)
 
 let request = URLRequest(url:fileURL!)
 
 let task = session.downloadTask(with: request) { (tempLocalUrl, response, error) in
 if let tempLocalUrl = tempLocalUrl, error == nil {
 // Success

 if let statusCode = (response as? HTTPURLResponse)?.statusCode {
 print("Successfully downloaded. Status code: \(statusCode)")
 }
 
 do {
 try FileManager.default.copyItem(at: tempLocalUrl, to: destinationFileUrl)
 } catch (let writeError) {
 print("Error creating a file \(destinationFileUrl) : \(writeError)")
 }
 
 } else {
 print("Error took place while downloading a file. Error description: %@", error?.localizedDescription);
 }
 }
 task.resume()
 
 }
}

 do {
 
 // Convert JSON Object received from server side into Swift NSArray.

 // Note the use "try"

 if let convertedJsonIntoArray = try JSONSerialization.JSONObjectWithData(data!, options: []) as? NSArray {
 }
 
 } catch let error as NSError {
 print(error.localizedDescription)
 }

DispatchQueue.global(qos: .userInitiated).async {
 // Do some time consuming task in this background thread

 // Mobile app will remain to be responsive to user actions

 
 print("Performing time consuming task in this background thread")
 
 DispatchQueue.main.async {
 // Task consuming task has completed

 // Update UI from this block of code

 print("Time consuming task has completed. From here we are allowed to update user interface.")
 }
 }

import UIKit
class ViewController: UIViewController {
 
 override func viewDidLoad() {
 super.viewDidLoad()
 // Do any additional setup after loading the view, typically from a nib.

 
 let button = UIButton(type: UIButtonType.system) as UIButton
 
 let xPostion:CGFloat = 50
 let yPostion:CGFloat = 100
 let buttonWidth:CGFloat = 150
 let buttonHeight:CGFloat = 45
 
 button.frame = CGRect(x:xPostion, y:yPostion, width:buttonWidth, height:buttonHeight)
 
 button.backgroundColor = UIColor.lightGray
 button.setTitle("Tap me", for: UIControlState.normal)
 button.tintColor = UIColor.black
 button.addTarget(self, action: #selector(ViewController.buttonAction(_:)), for: .touchUpInside)
 
 self.view.addSubview(button)
 }
 
 func buttonAction(_ sender:UIButton!)
 {
 print("Button tapped")
 }
 
 override func didReceiveMemoryWarning() {
 super.didReceiveMemoryWarning()
 // Dispose of any resources that can be recreated.

 }
 
 
}

import UIKit
class ViewController: UIViewController {
 
 override func viewDidLoad() {
 super.viewDidLoad()
 
 //Create Activity Indicator
class Person {
// We can define class property here
var age = 25
// Implement Class initializer. Initializers are called when a new object of this class is created
init() { 
 print(“A new instance of this class Person is created.”) 
 } 
} 
// We can now create an instance of class Person - an object - by putting parentheses after the class name
let personObj = Person()
// Once an instance of Person class is created we can access its properties using the dot “.” syntax.
print(“This person age is \(personObj.age)”)
import Foundation
class Friend : Comparable {
 let name : String
 let age : Int
 
 init(name : String, age: Int) {
 self.name = name
 self.age = age
 }
}
func < (lhs: Friend, rhs: Friend) -> Bool {
 return lhs.age < rhs.age }; func > (lhs: Friend, rhs: Friend) -> Bool {
 return lhs.age > rhs.age
}
func == (lhs: Friend, rhs: Friend) -> Bool {
 var returnValue = false
 if (lhs.name == rhs.name) && (lhs.age == rhs.age)
 {
 returnValue = true
 }
 return returnValue
}
 let friend1 = Friend(name: "Sergey", age: 35)
 let friend2 = Friend(name: "Sergey", age: 30)
 
 print("Compare Friend object. Same person? (friend1 == friend2)")
func sayHelloWorld() {
 print("Hello World")
}
// Call function
sayHelloWorld()
func printOutFriendNames(names: String...) {
 
 for name in names {
 
 print(name)
 }
 
}
// Call the printOutFriendNames with two parameters
printOutFriendNames("Sergey", "Bill")
// Call the function with more parameters
printOutFriendNames("Sergey", "Bill", "Max")
let simpleClosure = {
 print("From a simpleClosure")
}
// Call closure
simpleClosure() 
let fullName = { (firstName:String, lastName:String)->String in
 return firstName + " " + lastName
}
// Call Closure
let myFullName = fullName("Sergey", "Kargopolov")
print("My full name is \(myFullName)")
let myDictionary = [String:String]()
// Another way to create an empty dictionary
let myDictionary2:[String:String] = [:]
// Keys in dictionary can also be of type Int
let myDictionary3 = [Int:String]()
var myDictionary = ["first_name": "Sergey", "last_name": "Kargopolov"]
// print to preview
print(myDictionary)
// Add a new key with a value
myDictionary["user_id"] = "f5h7ru0tJurY8f7g5s6fd"
// We should now have 3 key value pairs printed
print(myDictionary)
var myDictionary = ["first_name": "Sergey", "last_name": "Kargopolov"]
// Loop through dictionary keys and print values
for (key,value) in myDictionary {
 print("\(key) = \(value)")
}
 class Friend {
 let name : String
 let age : Int
 
 init(name : String, age: Int) {
 self.name = name
 self.age = age
 }
}
 var friends:[Friend] = []
 
 let friend1 = Friend(name: "Sergey", age: 30)
 let friend2 = Friend(name: "Bill", age: 35)
 let friend3 = Friend(name: "Michael", age: 21)
 
 friends.append(friend1)
 friends.append(friend2)
 friends.append(friend3)
 
 printFriends(friends: friends)
 
 // Get sorted array in descending order (largest to the smallest number)
 let sortedFriends = friends.sorted(by: { $0.age > $1.age })
 printFriends(friends: sortedFriends)
 
 // Get sorted array in ascending order (smallest to the largest number)
 let sortedFriendsAscendingOrder = friends.sorted(by: { $0.age < $1.age })
 printFriends(friends: sortedFriendsAscendingOrder)
 func printFriends(friends: [Friend])
 {
 for friendEntry in friends {
 print("Name: \(friendEntry.name), age: \(friendEntry.age)")
 }
 }
import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
 super.viewDidLoad()
}
override func viewWillAppear(_ animated: Bool) {
 super.viewWillAppear(animated)
 
 // Create destination URL 
 let documentsUrl:URL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first as URL!
 let destinationFileUrl = documentsUrl.appendingPathComponent("downloadedFile.jpg")
 
 //Create URL to the source file you want to download
 let fileURL = URL(string: "https://s3.amazonaws.com/learn-swift/IMG_0001.JPG")
 
 let sessionConfig = URLSessionConfiguration.default
 let session = URLSession(configuration: sessionConfig)
 
 let request = URLRequest(url:fileURL!)
 
 let task = session.downloadTask(with: request) { (tempLocalUrl, response, error) in
 if let tempLocalUrl = tempLocalUrl, error == nil {
 // Success
 if let statusCode = (response as? HTTPURLResponse)?.statusCode {
 print("Successfully downloaded. Status code: \(statusCode)")
 }
 
 do {
 try FileManager.default.copyItem(at: tempLocalUrl, to: destinationFileUrl)
 } catch (let writeError) {
 print("Error creating a file \(destinationFileUrl) : \(writeError)")
 }
 
 } else {
 print("Error took place while downloading a file. Error description: %@", error?.localizedDescription);
 }
 }
 task.resume()
 
 }
}
 do {
 
 // Convert JSON Object received from server side into Swift NSArray.
 // Note the use "try"
 if let convertedJsonIntoArray = try JSONSerialization.JSONObjectWithData(data!, options: []) as? NSArray {
 }
 
 } catch let error as NSError {
 print(error.localizedDescription)
 }
DispatchQueue.global(qos: .userInitiated).async {
 // Do some time consuming task in this background thread
 // Mobile app will remain to be responsive to user actions
 
 print("Performing time consuming task in this background thread")
 
 DispatchQueue.main.async {
 // Task consuming task has completed
 // Update UI from this block of code
 print("Time consuming task has completed. From here we are allowed to update user interface.")
 }
 }
import UIKit
class ViewController: UIViewController {
 
 override func viewDidLoad() {
 super.viewDidLoad()
 // Do any additional setup after loading the view, typically from a nib.
 
 let button = UIButton(type: UIButtonType.system) as UIButton
 
 let xPostion:CGFloat = 50
 let yPostion:CGFloat = 100
 let buttonWidth:CGFloat = 150
 let buttonHeight:CGFloat = 45
 
 button.frame = CGRect(x:xPostion, y:yPostion, width:buttonWidth, height:buttonHeight)
 
 button.backgroundColor = UIColor.lightGray
 button.setTitle("Tap me", for: UIControlState.normal)
 button.tintColor = UIColor.black
 button.addTarget(self, action: #selector(ViewController.buttonAction(_:)), for: .touchUpInside)
 
 self.view.addSubview(button)
 }
 
 func buttonAction(_ sender:UIButton!)
 {
 print("Button tapped")
 }
 
 override func didReceiveMemoryWarning() {
 super.didReceiveMemoryWarning()
 // Dispose of any resources that can be recreated.
 }
 
 
}
import UIKit
class ViewController: UIViewController {
 
 override func viewDidLoad() {
 super.viewDidLoad()
 
 //Create Activity Indicator
 let myActivityIndicator = UIActivityIndicatorView(activityIndicatorStyle: UIActivityIndicatorViewStyle.gray)
 
 // Position Activity Indicator in the center of the main view
 myActivityIndicator.center = view.center
 
 // If needed, you can prevent Acivity Indicator from hiding when stopAnimating() is called
 myActivityIndicator.hidesWhenStopped = false
 
 // Start Activity Indicator
 myActivityIndicator.startAnimating()
 
 // Call stopAnimating() when need to stop activity indicator
 //myActivityIndicator.stopAnimating()
 
 
 view.addSubview(myActivityIndicator)
 }
 
 override func didReceiveMemoryWarning() {
 super.didReceiveMemoryWarning()
 }
 
}