95 lines
3.8 KiB
Swift
95 lines
3.8 KiB
Swift
//
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// Array.swift
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// LevenshteinTransformations
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//
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// Created by david-swift on 01.01.24.
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//
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extension Array where Element: Equatable {
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/// Calculate the Levenshtein distance to another array.
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/// - Parameter target: The target array.
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/// - Returns: The Levenshtein distance.
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public func levenshteinDistance(to target: [Element]) -> Int {
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getTransformations(to: target).count
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}
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/// Get the transformations needed to transform the array into the target array.
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/// - Parameter target: The target array.
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/// - Returns: The transformations.
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public func getTransformations(to target: [Element]) -> [Transformation<Element>] {
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LevenshteinTransformations.levenshteinTransformations(from: self, to: target)
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}
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/// Call every transformation step needed to transform the array into the target array.
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/// - Parameters:
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/// - target: The target array.
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/// - functions: The transformation functions.
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public func transform(to target: [Element], functions: Functions<Element>) {
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var transformations = getTransformations(to: target)
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while !transformations.isEmpty {
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let transformation = transformations.removeFirst()
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transformation.transform(functions: functions, nextTransformations: &transformations)
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}
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}
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/// Call every transformation step needed to transform the array into the target array.
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/// - Parameters:
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/// - target: The target array.
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/// - functions: The transformation functions.
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public func transform(to target: [Element], functions: AsyncFunctions<Element>) async {
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var transformations = getTransformations(to: target)
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while !transformations.isEmpty {
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let transformation = transformations.removeFirst()
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await transformation.transform(functions: functions, nextTransformations: &transformations)
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}
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}
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}
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extension Array where Element: Identifiable {
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/// Calculate the Levenshtein distance to another array.
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/// - Parameter target: The target array.
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/// - Returns: The Levenshtein distance.
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public func identifiableLevenshteinDistance(to target: [Element]) -> Int {
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identifiableGetTransformations(to: target).count
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}
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/// Get the transformations needed to transform the array into the target array.
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/// - Parameter target: The target array.
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/// - Returns: The transformations.
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public func identifiableGetTransformations(to target: [Element]) -> [Transformation<Element>] {
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LevenshteinTransformations.levenshteinTransformations(from: self, to: target)
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}
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/// Call every transformation step needed to transform the array into the target array.
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/// - Parameters:
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/// - target: The target array.
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/// - functions: The transformation functions.
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public func identifiableTransform(to target: [Element], functions: Functions<Element>) {
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var transformations = identifiableGetTransformations(to: target)
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while !transformations.isEmpty {
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let transformation = transformations.removeFirst()
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transformation.transform(functions: functions, nextTransformations: &transformations)
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}
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}
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/// Call every transformation step needed to transform the array into the target array.
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/// - Parameters:
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/// - target: The target array.
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/// - functions: The transformation functions.
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public func identifiableTransform(to target: [Element], functions: AsyncFunctions<Element>) async {
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var transformations = identifiableGetTransformations(to: target)
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while !transformations.isEmpty {
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let transformation = transformations.removeFirst()
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await transformation.transform(functions: functions, nextTransformations: &transformations)
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}
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}
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}
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