How to resolve the algorithm Sort a list of object identifiers step by step in the Swift programming language
Published on 12 May 2024 09:40 PM
How to resolve the algorithm Sort a list of object identifiers step by step in the Swift programming language
Table of Contents
Problem Statement
Object identifiers (OID) are strings used to identify objects in network data.
Show how to sort a list of OIDs, in their natural sort order.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Sort a list of object identifiers step by step in the Swift programming language
Source code in the swift programming language
import Foundation
public struct OID {
public var val: String
public init(_ val: String) {
self.val = val
}
}
extension OID: CustomStringConvertible {
public var description: String {
return val
}
}
extension OID: Comparable {
public static func < (lhs: OID, rhs: OID) -> Bool {
let split1 = lhs.val.components(separatedBy: ".").compactMap(Int.init)
let split2 = rhs.val.components(separatedBy: ".").compactMap(Int.init)
let minSize = min(split1.count, split2.count)
for i in 0..<minSize {
if split1[i] < split2[i] {
return true
} else if split1[i] > split2[i] {
return false
}
}
return split1.count < split2.count
}
public static func == (lhs: OID, rhs: OID) -> Bool {
return lhs.val == rhs.val
}
}
let ids = [
"1.3.6.1.4.1.11.2.17.19.3.4.0.10",
"1.3.6.1.4.1.11.2.17.5.2.0.79",
"1.3.6.1.4.1.11.2.17.19.3.4.0.4",
"1.3.6.1.4.1.11150.3.4.0.1",
"1.3.6.1.4.1.11.2.17.19.3.4.0.1",
"1.3.6.1.4.1.11150.3.4.0"
].map(OID.init)
for id in ids.sorted() {
print(id)
}
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