fromMap static method

IsolateCommand fromMap(Map map)

Implementation

static IsolateCommand fromMap(Map map) {
  final command = map['command'] as String?;
  switch (command) {
    case 'set_surah_reference':
      final rawRules = map['wordRules'] as List?;
      final List<List<WordTajweedRule>>? wordRules = rawRules?.map((l) {
        return (l as List)
            .map((r) => WordTajweedRule.fromMap(r as Map))
            .toList();
      }).toList();

      return SetSurahReferenceCommand(
        fullPhonemes: map['phonemes'] as String,
        boundaries: (map['boundaries'] as List).cast<int>(),
        surahNumber: map['surahNumber'] as int? ?? 0,
        isTajweed: map['isTajweed'] as bool? ?? false,
        forceClear: map['forceClear'] as bool? ?? false,
        startGlobalWord: map['startGlobalWord'] as int? ?? 0,
        wordRules: wordRules,
      );

    case 'sync_stream':
      return SyncStreamCommand(
        asrText:
            map['text'] as String? ??
            (map['tokens'] as List?)?.join('') ??
            '',
        timestamps: (map['timestamps'] as List?)?.cast<double>() ?? const [],
        isNewSegment: map['is_new_segment'] as bool? ?? false,
        ayahNumber: map['ayah_number'] as int? ?? 0,
      );

    case 'jump_to_word':
      return JumpToWordCommand(
        globalWordIndex: map['global_word_index'] as int? ?? 0,
      );

    case 'set_tajweed_mode':
      return SetTajweedModeCommand(
        isTajweed: map['is_tajweed'] as bool? ?? false,
      );

    case 'update_config':
      return UpdateTrackerConfigCommand(
        config: TrackerConfig(
          defaultMaxPathCost: (map['defaultMaxPathCost'] as num?)?.toDouble() ?? 0.30,
          shortWordPathCost: (map['shortWordPathCost'] as num?)?.toDouble() ?? 0.25,
          mediumWordPathCost: (map['mediumWordPathCost'] as num?)?.toDouble() ?? 0.28,
          maxSkipWords: map['maxSkipWords'] as int? ?? 2,
          acousticConfusionCost: (map['acousticConfusionCost'] as num?)?.toDouble() ?? 0.25,
          standardInsertionCost: (map['standardInsertionCost'] as num?)?.toDouble() ?? 0.75,
          standardDeletionCost: (map['standardDeletionCost'] as num?)?.toDouble() ?? 1.0,
          harakatDurationSeconds: (map['harakatDurationSeconds'] as num?)?.toDouble() ?? 0.200,
          maxTokenDurationAllowed: (map['maxTokenDurationAllowed'] as num?)?.toDouble() ?? 2.5,
          lookaheadDelay: (map['lookaheadDelay'] as num?)?.toDouble() ?? 0.320,
          hideExpectedAsrNoise: map['hideExpectedAsrNoise'] as bool? ?? true,
        ),
      );

    case 'stop':
      return const StopIsolateCommand();

    default:
      throw ArgumentError('Unknown IsolateCommand: $command');
  }
}