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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef LATINIME_SUGGEST_OPTIONS_H
     18 #define LATINIME_SUGGEST_OPTIONS_H
     19 
     20 #include "defines.h"
     21 
     22 namespace latinime {
     23 
     24 class SuggestOptions{
     25  public:
     26     SuggestOptions(const int *const options, const int length)
     27             : mOptions(options), mLength(length) {}
     28 
     29     AK_FORCE_INLINE bool isGesture() const {
     30         return getBoolOption(IS_GESTURE);
     31     }
     32 
     33     AK_FORCE_INLINE bool useFullEditDistance() const {
     34         return getBoolOption(USE_FULL_EDIT_DISTANCE);
     35     }
     36 
     37     AK_FORCE_INLINE bool blockOffensiveWords() const {
     38         return getBoolOption(BLOCK_OFFENSIVE_WORDS);
     39     }
     40 
     41     AK_FORCE_INLINE bool enableSpaceAwareGesture() const {
     42         return getBoolOption(SPACE_AWARE_GESTURE_ENABLED);
     43     }
     44 
     45     AK_FORCE_INLINE bool getAdditionalFeaturesBoolOption(const int key) const {
     46         return getBoolOption(key + ADDITIONAL_FEATURES_OPTIONS);
     47     }
     48 
     49  private:
     50     DISALLOW_IMPLICIT_CONSTRUCTORS(SuggestOptions);
     51 
     52     // Need to update com.android.inputmethod.latin.NativeSuggestOptions when you add, remove or
     53     // reorder options.
     54     static const int IS_GESTURE = 0;
     55     static const int USE_FULL_EDIT_DISTANCE = 1;
     56     static const int BLOCK_OFFENSIVE_WORDS = 2;
     57     static const int SPACE_AWARE_GESTURE_ENABLED = 3;
     58     // Additional features options are stored after the other options and used as setting values of
     59     // experimental features.
     60     static const int ADDITIONAL_FEATURES_OPTIONS = 4;
     61 
     62     const int *const mOptions;
     63     const int mLength;
     64 
     65     AK_FORCE_INLINE bool isValidKey(const int key) const {
     66         return 0 <= key && key < mLength;
     67     }
     68 
     69     AK_FORCE_INLINE bool getBoolOption(const int key) const {
     70         if (isValidKey(key)) {
     71             return mOptions[key] != 0;
     72         }
     73         return false;
     74     }
     75 
     76     AK_FORCE_INLINE int getIntOption(const int key) const {
     77         if (isValidKey(key)) {
     78             return mOptions[key];
     79         }
     80         return 0;
     81     }
     82 };
     83 } // namespace latinime
     84 #endif // LATINIME_SUGGEST_OPTIONS_H
     85