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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
import Dispatch
import IceObjc
/// Converts a string to an encoding version.
///
/// - parameter _: `String` - The string to convert.
///
/// - returns: `Ice.EncodingVersion` - The converted encoding version.</returns>
func stringToEncodingVersion(_ s: String) throws -> EncodingVersion {
let (major, minor) = try stringToMajorMinor(s)
return EncodingVersion(major: major, minor: minor)
}
func stringToMajorMinor(_ s: String) throws -> (UInt8, UInt8) {
let components = s.components(separatedBy: ".")
guard components.count == 2 else {
throw VersionParseException(str: "malformed value `\(s)'")
}
guard let major = UInt8(components[0] as String), let minor = UInt8(components[1]) else {
throw VersionParseException(str: "invalid version value `\(s)'")
}
return (major, minor)
}
func createSentCallback(sentOn: DispatchQueue?,
sentFlags: DispatchWorkItemFlags?,
sent: ((Bool) -> Void)?) -> ((Bool) -> Void)? {
guard let s = sent, let q = sentOn else {
//
// This is either a nil sent callback or a sent callback that is dispatch
// directly without a queue
//
return sent
}
//
// Create a closure to dispatch the sent callback in the specified queue
//
if let flags = sentFlags {
return { sentSynchronously in
q.async(flags: flags) {
s(sentSynchronously)
}
}
} else {
return { sentSynchronously in
q.async {
s(sentSynchronously)
}
}
}
}
func escapeString(string: String, special: String, communicator: Communicator) throws -> String {
guard factoriesRegistered else {
fatalError("Unable to initialie Ice")
}
return try autoreleasepool {
try ICEUtil.escapeString(string: string,
special: special,
communicator: (communicator as! CommunicatorI).handle)
}
}
func checkSupportedEncoding(_ v: EncodingVersion) throws {
let c = currentEncoding
if v.major != c.major || v.minor > c.minor {
throw UnsupportedEncodingException(reason: "", bad: v, supported: c)
}
}
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