67 lines
2.5 KiB
Swift
67 lines
2.5 KiB
Swift
//
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// SocketExtensions.swift
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// Socket.IO-Client-Swift
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//
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// Created by Erik Little on 7/1/2016.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import Foundation
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enum JSONError : Error {
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case notArray
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case notNSDictionary
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}
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extension Array where Element: AnyObject {
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func toJSON() throws -> Data {
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return try JSONSerialization.data(withJSONObject: self as NSArray, options: JSONSerialization.WritingOptions(rawValue: 0))
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}
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}
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extension CharacterSet {
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static var allowedURLCharacterSet: CharacterSet {
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return CharacterSet(charactersIn: "!*'();:@&=+$,/?%#[]\" {}").inverted
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}
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}
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extension String {
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func toArray() throws -> [AnyObject] {
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guard let stringData = data(using: .utf8, allowLossyConversion: false) else { return [] }
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guard let array = try JSONSerialization.jsonObject(with: stringData, options: .mutableContainers) as? [AnyObject] else {
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throw JSONError.notArray
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}
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return array
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}
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func toNSDictionary() throws -> NSDictionary {
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guard let binData = data(using: .utf8, allowLossyConversion: false) else { return [:] }
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guard let json = try JSONSerialization.jsonObject(with: binData, options: .allowFragments) as? NSDictionary else {
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throw JSONError.notNSDictionary
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}
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return json
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}
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func urlEncode() -> String? {
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return addingPercentEncoding(withAllowedCharacters: .allowedURLCharacterSet)
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}
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}
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