nidx

import Foundation
import Swifter

public func fileHttpResponseWithRange(r: HttpRequest, data: Data) -> HttpResponse {
    powerRanger:if let rangeHeader = r.headers["range"] {
        let rangeExpression = try! NSRegularExpression(pattern: "bytes=(\\d*)-(\\d*)", options: .caseInsensitive)

        let matches = rangeExpression.matches(in: rangeHeader, options: .anchored, range: NSRange(location: 0, length: rangeHeader.characters.count))
        guard let match = matches.first, match.numberOfRanges == 3 else {
            break powerRanger