SwiftBase32/Base32/StringExtension.swift

//
//  StringExtension.swift
//  Base32
//
//  Created by 野村 憲男 on 2/7/15.
//
//  Copyright (c) 2015 Norio Nomura
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.

import Foundation

// MARK: - private

extension String {
    /// NSData never nil
    internal var dataUsingUTF8StringEncoding: NSData {
        return nulTerminatedUTF8.withUnsafeBufferPointer {
            return NSData(bytes: $0.baseAddress, length: $0.count - 1)
        }
    }
    
    /// Array<UInt8>
    internal var arrayUsingUTF8StringEncoding: [UInt8] {
        return nulTerminatedUTF8.withUnsafeBufferPointer {
            return Array(UnsafeBufferPointer(start: $0.baseAddress, count: $0.count - 1))
        }
    }
}