vChewing-macOS/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_CassetteExte...

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// (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 Megrez
import SwiftExtension
public extension LMAssembly.LMInstantiator {
///
var cassetteWildcardKey: String { Self.lmCassette.wildcardKey }
///
var maxCassetteKeyLength: Int { Self.lmCassette.maxKeyLength }
/// `%quick`
var nullCandidateInCassette: String { Self.lmCassette.nullCandidate }
/// Shift
var areCassetteCandidateKeysShiftHeld: Bool { Self.lmCassette.areCandidateKeysShiftHeld }
///
var keysToDirectlyCommit: String { Self.lmCassette.keysToDirectlyCommit }
///
var cassetteSelectionKey: String? {
let result = Self.lmCassette.selectionKeys
return result.isEmpty ? nil : result
}
/// 調 `%quick`
/// - Parameter key:
/// - Returns:
func cassetteQuickSetsFor(key: String) -> String? {
Self.lmCassette.quickSetsFor(key: key)
}
/// 調 `%symboldata`
/// - Parameter key:
/// - Returns:
func cassetteSymbolDataFor(key: String) -> [String]? {
guard let fetched = Self.lmCassette.symbolDefMap[key] else { return nil }
guard !fetched.joined().isEmpty else { return nil }
return fetched
}
///
/// - Parameter char:
/// - Returns:
func convertCassetteKeyToDisplay(char: String) -> String {
Self.lmCassette.convertKeyToDisplay(char: char)
}
///
/// - Parameter key:
/// - Returns:
func isThisCassetteKeyAllowed(key: String) -> Bool {
Self.lmCassette.allowedKeys.contains(key)
}
///
/// - Parameter key:
/// - Returns:
func hasCassetteWildcardResultsFor(key: String) -> Bool {
Self.lmCassette.hasUnigramsFor(key: key + Self.lmCassette.wildcard)
}
///
/// - Parameter value:
/// - Returns:
func cassetteReverseLookup(for value: String) -> [String] {
var lookupResult = Self.lmCassette.reverseLookupMap[value] ?? []
guard !lookupResult.isEmpty else { return [] }
lookupResult = lookupResult.map { $0.trimmingCharacters(in: .newlines) }
return lookupResult.stableSort(by: { $0.count < $1.count }).stableSort {
Self.lmCassette.unigramsFor(key: $0).count
< Self.lmCassette.unigramsFor(key: $1).count
}
}
}