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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| // | ||
| // PunctuationConversion.swift | ||
| // Fire | ||
| // | ||
| // Created by 杨永榜 on 2023/10/26. | ||
| // | ||
|
|
||
| import Foundation | ||
| import Defaults | ||
|
|
||
| protocol Conversion { | ||
| func conversion(_ origin: String) -> String? | ||
| } | ||
|
|
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| class PunctuationConversion: Conversion { | ||
| // 左引号暂存栈 | ||
| private var parisPunctuationStack: [String] = [] | ||
| private let MAX_STACK_SIZE = 30 // 暂存栈大小，防止随着使用出现内存上涨 | ||
|
|
||
| private func transformResult(_ result: String) -> String { | ||
| let resultMap = [ | ||
| "‘": "’", | ||
| "“": "”" | ||
| ] | ||
| // 存在需要待匹配的左侧引号，并且当前输出和待匹配的引号一致，把结果转为对应的右侧引号 | ||
| if resultMap.keys.contains(result) && result == parisPunctuationStack.last { | ||
| _ = parisPunctuationStack.popLast() | ||
| return resultMap[result] ?? result | ||
| } | ||
| // 没有待匹配的引号，并且输入了左侧引号，存入待匹配区 | ||
| if resultMap.keys.contains(result) { | ||
| parisPunctuationStack.append(result) | ||
| if parisPunctuationStack.count > MAX_STACK_SIZE { | ||
| parisPunctuationStack.removeFirst() | ||
| } | ||
| return result | ||
| } | ||
| return result | ||
| } | ||
|
|
||
| func conversion(_ origin: String) -> String? { | ||
| let isPunctuation = punctuation.keys.contains(origin) | ||
| if !isPunctuation { | ||
| return nil | ||
| } | ||
| let mode = Defaults[.punctuationMode] | ||
| if mode == .enUs { | ||
| return origin | ||
| } | ||
| if mode == .zhhans { | ||
| return punctuation[origin] == nil ? nil : transformResult(punctuation[origin]!) | ||
| } | ||
| if mode == .custom { | ||
| return Defaults[.customPunctuationSettings][origin] | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| static let shared = PunctuationConversion() | ||
| } |
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