LMCassette // Add areCandidateKeysShiftPressed(), etc.

Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_CassetteExtension.swift

@@ -17,6 +17,8 @@ public extension vChewingLM.LMInstantiator {
   var maxCassetteKeyLength: Int { Self.lmCassette.maxKeyLength }
   /// 磁帶模式專用：指定 `%quick` 快速候選結果當中要過濾掉的無效候選字符號。
   var nullCandidateInCassette: String { Self.lmCassette.nullCandidate }
+  /// 磁帶模式專用：選字鍵是否需要敲 Shift 才會生效。
+  var areCassetteCandidateKeysShiftPressed: Bool { Self.lmCassette.areCandidateKeysShiftPressed }
   /// 磁帶模式專用：選字鍵，在威注音輸入法當中僅優先用於快速模式。
   var cassetteSelectionKey: String? {
     let result = Self.lmCassette.selectionKeys

Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/SubLMs/lmCassette.swift

@@ -36,6 +36,7 @@ public extension vChewingLM {
     public private(set) var octagramMap: [String: Int] = [:]
     /// 音韻輸入法專用八股文：[字詞:(頻次, 讀音)]。
     public private(set) var octagramDividedMap: [String: (Int, String)] = [:]
+    public private(set) var areCandidateKeysShiftPressed: Bool = false
 
     /// 計算頻率時要用到的東西
     private static let fscale = 2.7
@@ -88,6 +89,7 @@ public extension vChewingLM {
           var loadingCharDefinitions = false
           var loadingSymbolDefinitions = false
           var loadingOctagramData = false
+          var keysUsedInCharDef: Set<String> = .init()
           for strLine in lineReader {
             if !loadingKeys, strLine.contains("%keyname"), strLine.contains("begin") { loadingKeys = true }
             if loadingKeys, strLine.contains("%keyname"), strLine.contains("end") { loadingKeys = false }
@@ -138,6 +140,11 @@ public extension vChewingLM {
             {
               theMaxKeyLength = max(theMaxKeyLength, cells[0].count)
               charDefMap[strFirstCell, default: []].append(strSecondCell)
+              if strFirstCell.count > 1 {
+                strFirstCell.map(\.description).forEach { keyChar in
+                  keysUsedInCharDef.insert(keyChar.description)
+                }
+              }
               reverseLookupMap[strSecondCell, default: []].append(strFirstCell)
               var keyComps = strFirstCell.map(\.description)
               while !keyComps.isEmpty {
@@ -175,7 +182,7 @@ public extension vChewingLM {
             if nameShort.isEmpty, strLine.contains("%sname ") { nameShort = strSecondCell }
             if nullCandidate.isEmpty, strLine.contains("%nullcandidate ") { nullCandidate = strSecondCell }
             if selectionKeys.isEmpty, strLine.contains("%selkey ") {
-              selectionKeys = cells[1].description
+              selectionKeys = cells[1].map(\.description).deduplicated.joined()
             }
             if endKeys.isEmpty, strLine.contains("%endkey ") {
               endKeys = cells[1].map(\.description).deduplicated
@@ -184,6 +191,11 @@ public extension vChewingLM {
               wildcardKey = cells[1].first?.description ?? ""
             }
           }
+          // Post process.
+          if CandidateKey.validate(keys: selectionKeys) != nil { selectionKeys = "1234567890" }
+          if !keysUsedInCharDef.intersection(selectionKeys.map(\.description)).isEmpty {
+            areCandidateKeysShiftPressed = true
+          }
           maxKeyLength = theMaxKeyLength
           keyNameMap[wildcardKey] = keyNameMap[wildcardKey] ?? "？"
           filePath = path

Packages/vChewing_LangModelAssembly/Tests/LangModelAssemblyTests/LMCassetteTests.swift

@@ -41,7 +41,7 @@ final class LMCassetteTests: XCTestCase {
   }
 
   func testCassetteLoadArray30() throws {
-    let pathCINFile = testDataPath + "array30.cin"
+    let pathCINFile = testDataPath + "array30.cin2"
     var lmCassette = vChewingLM.LMCassette()
     NSLog("LMCassette: Start loading CIN.")
     lmCassette.open(pathCINFile)
@@ -49,8 +49,8 @@ final class LMCassetteTests: XCTestCase {
     XCTAssertFalse(lmCassette.quickDefMap.isEmpty)
     print(lmCassette.quickSetsFor(key: ",.") ?? "")
     XCTAssertEqual(lmCassette.keyNameMap.count, 41)
-    XCTAssertEqual(lmCassette.charDefMap.count, 29537)
+    XCTAssertEqual(lmCassette.charDefMap.count, 29491)
-    XCTAssertEqual(lmCassette.charDefWildcardMap.count, 11973)
+    XCTAssertEqual(lmCassette.charDefWildcardMap.count, 11946)
     XCTAssertEqual(lmCassette.octagramMap.count, 0)
     XCTAssertEqual(lmCassette.octagramDividedMap.count, 0)
     XCTAssertEqual(lmCassette.nameShort, "AR30")