suggest_options.h revision f497e1e5a0be0a6268bd5f27e6f61308c69c7b63 
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
22namespace latinime {
23
24class 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 getAdditionalFeaturesBoolOption(const int key) const {
38        return getBoolOption(key + ADDITIONAL_FEATURES_OPTIONS);
39    }
40
41 private:
42    DISALLOW_IMPLICIT_CONSTRUCTORS(SuggestOptions);
43
44    // Need to update com.android.inputmethod.latin.NativeSuggestOptions when you add, remove or
45    // reorder options.
46    static const int IS_GESTURE = 0;
47    static const int USE_FULL_EDIT_DISTANCE = 1;
48    // Additional features options are stored after the other options and used as setting values of
49    // experimental features.
50    static const int ADDITIONAL_FEATURES_OPTIONS = 2;
51
52    const int *const mOptions;
53    const int mLength;
54
55    AK_FORCE_INLINE bool isValidKey(const int key) const {
56        return 0 <= key && key < mLength;
57    }
58
59    AK_FORCE_INLINE bool getBoolOption(const int key) const {
60        if (isValidKey(key)) {
61            return mOptions[key] != 0;
62        }
63        return false;
64    }
65
66    AK_FORCE_INLINE int getIntOption(const int key) const {
67        if (isValidKey(key)) {
68            return mOptions[key];
69        }
70        return 0;
71    }
72};
73} // namespace latinime
74#endif // LATINIME_SUGGEST_OPTIONS_H
75