LeadKit/TITextProcessing/Sources/TextFormatter/TextFormatter.swift

61 lines
2.6 KiB
Swift

//
// Copyright (c) 2023 Touch Instinct
//
// 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
public final class TextFormatter {
private let regex: String
private let replaceGenerator: RegexReplaceGenerator
private let placeholderGenerator: RegexPlaceholderGenerator
public init(regex: String,
replaceGenerator: RegexReplaceGenerator = DefaultRegexReplaceGenerator(),
placeholderGenerator: RegexPlaceholderGenerator = DefaultRegexPlaceholderGenerator()) {
self.regex = regex
self.replaceGenerator = replaceGenerator
self.placeholderGenerator = placeholderGenerator
}
public func getRegexReplacement() -> String {
replaceGenerator.generateReplacement(for: regex).regexReplaceString
}
public func getRegexPlaceholder() -> String {
let matrixOfSymbols = replaceGenerator.generateReplacement(for: regex).matrixOfSymbols
return placeholderGenerator.generatePlaceholder(matrixOfSymbols: matrixOfSymbols)
}
public func getFormattedText(_ text: String) -> String {
guard let expression = try? NSRegularExpression(pattern: regex, options: .caseInsensitive) else {
fatalError("Cannot create NSRegularExpression from input regex")
}
return expression.stringByReplacingMatches(in: text,
options: .reportProgress,
range: NSMakeRange(0, text.count),
withTemplate: getRegexReplacement())
}
}