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String+BP.swift
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String+BP.swift
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//
// NSString+BP.swift
// Node War
//
// Created by Kevin Lohman on 1/1/15.
// Copyright (c) 2015 Logic High. All rights reserved.
//
import Foundation
extension String {
func URLEncodedString() -> String? {
let customAllowedSet = NSCharacterSet.URLQueryAllowedCharacterSet()
let escapedString = self.stringByAddingPercentEncodingWithAllowedCharacters(customAllowedSet)
return escapedString
}
static func queryStringFromParameters(parameters: Dictionary<String,String>) -> String? {
if (parameters.count == 0)
{
return nil
}
var queryString : String? = nil
for (key, value) in parameters {
if let encodedKey = key.URLEncodedString() {
if let encodedValue = value.URLEncodedString() {
if queryString == nil
{
queryString = "?"
}
else
{
queryString! += "&"
}
queryString! += encodedKey + "=" + encodedValue
}
}
}
return queryString
}
var doubleValue: Double {
if let number = NSNumberFormatter().numberFromString(self) {
return number.doubleValue
}
return 0
}
}