84 lines
3.0 KiB
Swift
84 lines
3.0 KiB
Swift
// (c) 2021 and onwards The vChewing Project (MIT-NTL License).
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// ====================
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// This code is released under the MIT license (SPDX-License-Identifier: MIT)
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// ... with NTL restriction stating that:
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// No trademark license is granted to use the trade names, trademarks, service
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// marks, or product names of Contributor, except as required to fulfill notice
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// requirements defined in MIT License.
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import Foundation
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import LangModelAssembly
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import Shared
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// MARK: - 使用者語彙類型定義
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public extension LMMgr {
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struct UserPhrase {
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public private(set) var keyArray: [String]
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public private(set) var value: String
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public private(set) var inputMode: Shared.InputMode
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public private(set) var isConverted: Bool = false
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public var weight: Double?
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private var isDuplicated: Bool {
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LMMgr.checkIfPhrasePairExists(userPhrase: value, mode: inputMode, keyArray: keyArray)
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}
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public var description: String {
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var result = [String]()
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result.append(value)
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result.append(keyArray.joined(separator: "-"))
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if let weight = weight {
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result.append(weight.description)
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}
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if isDuplicated {
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result.append("#𝙾𝚟𝚎𝚛𝚛𝚒𝚍𝚎")
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}
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if isConverted {
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result.append("#𝙃𝙪𝙢𝙖𝙣𝘾𝙝𝙚𝙘𝙠𝙍𝙚𝙦𝙪𝙞𝙧𝙚𝙙")
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}
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return result.joined(separator: " ")
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}
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public var crossConverted: UserPhrase {
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if isConverted { return self }
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var result = self
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result.value = ChineseConverter.crossConvert(value)
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result.inputMode = inputMode.reversed
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result.isConverted = true
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return result
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}
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public func write(toFilter: Bool) -> Bool {
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guard LMMgr.chkUserLMFilesExist(inputMode) else { return false }
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/// 施工筆記：
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/// 有些使用者的語彙檔案已經過於龐大了（超過一千行），
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/// 每次寫入時都全文整理格式的話，會引發嚴重的效能問題。
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/// 所以這裡不再強制要求整理格式。
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let theType: vChewingLM.ReplacableUserDataType = toFilter ? .theFilter : .thePhrases
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let theURL = LMMgr.userDictDataURL(mode: inputMode, type: theType)
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var fileSize: UInt64?
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do {
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let dict = try FileManager.default.attributesOfItem(atPath: theURL.path)
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if let value = dict[FileAttributeKey.size] as? UInt64 { fileSize = value }
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} catch {
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return false
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}
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guard let fileSize = fileSize else { return false }
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guard var dataToInsert = "\(description)\n".data(using: .utf8) else { return false }
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guard let writeFile = FileHandle(forUpdatingAtPath: theURL.path) else { return false }
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defer { writeFile.closeFile() }
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if fileSize > 0 {
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writeFile.seek(toFileOffset: fileSize - 1)
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if writeFile.readDataToEndOfFile().first != 0x0A {
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dataToInsert.insert(0x0A, at: 0)
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}
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}
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writeFile.seekToEndOfFile()
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writeFile.write(dataToInsert)
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return true
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}
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}
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}
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