| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.inputmethod.latin.utils; |
| |
| import android.util.Log; |
| |
| import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo; |
| import com.android.inputmethod.latin.define.DebugFlags; |
| |
| public final class AutoCorrectionUtils { |
| private static final boolean DBG = DebugFlags.DEBUG_ENABLED; |
| private static final String TAG = AutoCorrectionUtils.class.getSimpleName(); |
| |
| private AutoCorrectionUtils() { |
| // Purely static class: can't instantiate. |
| } |
| |
| public static boolean suggestionExceedsThreshold(final SuggestedWordInfo suggestion, |
| final String consideredWord, final float threshold) { |
| if (null != suggestion) { |
| // Shortlist a whitelisted word |
| if (suggestion.isKindOf(SuggestedWordInfo.KIND_WHITELIST)) { |
| return true; |
| } |
| // TODO: return suggestion.isAprapreateForAutoCorrection(); |
| if (!suggestion.isAprapreateForAutoCorrection()) { |
| return false; |
| } |
| final int autoCorrectionSuggestionScore = suggestion.mScore; |
| // TODO: when the normalized score of the first suggestion is nearly equals to |
| // the normalized score of the second suggestion, behave less aggressive. |
| final float normalizedScore = BinaryDictionaryUtils.calcNormalizedScore( |
| consideredWord, suggestion.mWord, autoCorrectionSuggestionScore); |
| if (DBG) { |
| Log.d(TAG, "Normalized " + consideredWord + "," + suggestion + "," |
| + autoCorrectionSuggestionScore + ", " + normalizedScore |
| + "(" + threshold + ")"); |
| } |
| if (normalizedScore >= threshold) { |
| if (DBG) { |
| Log.d(TAG, "Exceeds threshold."); |
| } |
| return true; |
| } |
| } |
| return false; |
| } |
| } |