77 lines
2.9 KiB
Swift
77 lines
2.9 KiB
Swift
// (c) 2021 and onwards The vChewing Project (MIT-NTL License).
|
||
// ====================
|
||
// This code is released under the MIT license (SPDX-License-Identifier: MIT)
|
||
// ... with NTL restriction stating that:
|
||
// No trademark license is granted to use the trade names, trademarks, service
|
||
// marks, or product names of Contributor, except as required to fulfill notice
|
||
// requirements defined in MIT License.
|
||
|
||
import Foundation
|
||
import Shared
|
||
|
||
public extension vChewingLM {
|
||
@frozen struct LMRevLookup {
|
||
public private(set) var dataMap: [String: [String]] = [:]
|
||
public private(set) var filePath: String = ""
|
||
|
||
public init(data dictData: (dict: [String: [String]]?, path: String)) {
|
||
guard let theDict = dictData.dict else {
|
||
vCLog("↑ Exception happened when reading JSON file at: \(dictData.path).")
|
||
return
|
||
}
|
||
filePath = dictData.path
|
||
dataMap = theDict
|
||
}
|
||
|
||
public init(path: String) {
|
||
if path.isEmpty { return }
|
||
do {
|
||
let rawData = try Data(contentsOf: URL(fileURLWithPath: path))
|
||
if let rawJSON = try? JSONSerialization.jsonObject(with: rawData) as? [String: [String]] {
|
||
dataMap = rawJSON
|
||
} else {
|
||
vCLog("↑ Exception happened when reading JSON file at: \(path).")
|
||
return
|
||
}
|
||
} catch {
|
||
vCLog("↑ Exception happened when reading JSON file at: \(path).")
|
||
return
|
||
}
|
||
filePath = path
|
||
}
|
||
|
||
public func query(with kanji: String) -> [String]? {
|
||
guard let resultData = dataMap[kanji] else { return nil }
|
||
let resultArray = resultData.compactMap {
|
||
let result = restorePhonabetFromASCII($0)
|
||
return result.isEmpty ? nil : result
|
||
}
|
||
return resultArray.isEmpty ? nil : resultArray
|
||
}
|
||
|
||
/// 內部函式，用以將被加密的注音讀音索引鍵進行解密。
|
||
///
|
||
/// 如果傳入的字串當中包含 ASCII 下畫線符號的話，則表明該字串並非注音讀音字串，會被忽略處理。
|
||
/// - parameters:
|
||
/// - incoming: 傳入的已加密注音讀音字串。
|
||
func restorePhonabetFromASCII(_ incoming: String) -> String {
|
||
var strOutput = incoming
|
||
if !strOutput.contains("_") {
|
||
for entry in Self.dicPhonabet4ASCII {
|
||
strOutput = strOutput.replacingOccurrences(of: entry.key, with: entry.value)
|
||
}
|
||
}
|
||
return strOutput
|
||
}
|
||
|
||
// MARK: - Constants
|
||
|
||
static let dicPhonabet4ASCII: [String: String] = [
|
||
"b": "ㄅ", "p": "ㄆ", "m": "ㄇ", "f": "ㄈ", "d": "ㄉ", "t": "ㄊ", "n": "ㄋ", "l": "ㄌ", "g": "ㄍ", "k": "ㄎ", "h": "ㄏ",
|
||
"j": "ㄐ", "q": "ㄑ", "x": "ㄒ", "Z": "ㄓ", "C": "ㄔ", "S": "ㄕ", "r": "ㄖ", "z": "ㄗ", "c": "ㄘ", "s": "ㄙ", "i": "ㄧ",
|
||
"u": "ㄨ", "v": "ㄩ", "a": "ㄚ", "o": "ㄛ", "e": "ㄜ", "E": "ㄝ", "B": "ㄞ", "P": "ㄟ", "M": "ㄠ", "F": "ㄡ", "D": "ㄢ",
|
||
"T": "ㄣ", "N": "ㄤ", "L": "ㄥ", "R": "ㄦ", "2": "ˊ", "3": "ˇ", "4": "ˋ", "5": "˙",
|
||
]
|
||
}
|
||
}
|