romainmenke

var string = "Hello, playground"

var baseString = NSMutableString(string: string)

if baseString.containsString("Hello") {
    // do things when "Hello" is found
}

romainmenke

var range = baseString.rangeOfString("Hello")

// wrap in while loop with .containsString()

var ranges : [NSRange] = []

while baseString.containsString("Hello") {
    let nsRange = baseString.rangeOfString("Hello")
    ranges.append(nsRange)
}

romainmenke

while baseString.containsString("Hello") {
    let nsRange = baseString.rangeOfString("Hello")
    ranges.append(nsRange)
    
    var replaceString = ""
    for _ in 0..<nsRange.length {
        replaceString += "§" // secret unallowed character
    }
    baseString.replaceCharactersInRange(nsRange, withString: replaceString)
}

romainmenke

let highlightedString = NSMutableAttributedString(string: string)

for i in 0..<ranges.count {
    highlightedString.addAttribute(NSForegroundColorAttributeName, value: UIColor.redColor(), range: ranges[i])
}

romainmenke

class SyntaxGroup {
    var wordCollection : [String] // it will search for these words
    var type : String // purely a reference
    var color : UIColor // the words will get this color
    
    init(wordCollection_I : [String], type_I : String, color_I: UIColor) {
        wordCollection = wordCollection_I
        type = type_I
        color = color_I
    }

romainmenke

func highLight(string : String, completion: (finished: Bool) -> Void) {

    let qualityOfServiceClass = QOS_CLASS_DEFAULT
    let backgroundQueue = dispatch_get_global_queue(qualityOfServiceClass, 0)
  
    dispatch_async(backgroundQueue) { () -> Void in
    
        // actual syntax highlighting here
    
        dispatch_sync(dispatch_get_main_queue()) { () -> Void in

romainmenke

class TicketMan {
    
    private var ticketStack : Int = 0
    private var ticketCounter : Int = 0
    
    var ticket : Int {
        get {
            ticketStack += 1
            ticketCounter += 1
            return ticketCounter

romainmenke

let ticket = ticketMan.ticket

//put this inside a loop
if self.ticketMan.validateTicket(ticket) == false {
    self.ticketMan.ripTicket(ticket) // destroy ticket
    return // escape from function
}

//this is the end of the highlighting function
dispatch_sync(dispatch_get_main_queue()) { () -> Void in

romainmenke

import UIKit


var toggleSwitch = UISwitch()

var realFrame : CGRect?

let frame = toggleSwitch.frame
let bounds = toggleSwitch.bounds
let subViews = toggleSwitch.subviews

romainmenke

import UIKit

extension SubviewsCGRectUnion {
    mutating func setCGRectUnionWithSubviews() {
        frame = getCGRectUnionWithNestedSubviews(subviews: subviews, frame: frame)
        fixPositionOfSubviews(subviews, frame: frame)
    }
    
    func getCGRectUnionWithSubviews() -> CGRect {
        return getCGRectUnionWithNestedSubviews(subviews: subviews, frame: frame)