Add spellcheck and word suggestion to the prediction service

third_party/android_prediction/suggest/core/suggest_options.h

Index: third_party/android_prediction/suggest/core/suggest_options.h
diff --git a/third_party/android_prediction/suggest/core/suggest_options.h b/third_party/android_prediction/suggest/core/suggest_options.h
new file mode 100644
index 0000000000000000000000000000000000000000..2c67ce40c1da898a541b2794e57e1cde11e8e28a
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+++ b/third_party/android_prediction/suggest/core/suggest_options.h
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+/*
+ * Copyright (C) 2013 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.
+ */
+
+#ifndef LATINIME_SUGGEST_OPTIONS_H
+#define LATINIME_SUGGEST_OPTIONS_H
+
+#include "third_party/android_prediction/defines.h"
+
+namespace latinime {
+
+class SuggestOptions{
+ public:
+    SuggestOptions(const int *const options, const int length)
+            : mOptions(options), mLength(length) {}
+
+    AK_FORCE_INLINE bool isGesture() const {
+        return getBoolOption(IS_GESTURE);
+    }
+
+    AK_FORCE_INLINE bool useFullEditDistance() const {
+        return getBoolOption(USE_FULL_EDIT_DISTANCE);
+    }
+
+    AK_FORCE_INLINE bool blockOffensiveWords() const {
+        return getBoolOption(BLOCK_OFFENSIVE_WORDS);
+    }
+
+    AK_FORCE_INLINE bool enableSpaceAwareGesture() const {
+        return getBoolOption(SPACE_AWARE_GESTURE_ENABLED);
+    }
+
+    AK_FORCE_INLINE bool getAdditionalFeaturesBoolOption(const int key) const {
+        return getBoolOption(key + ADDITIONAL_FEATURES_OPTIONS);
+    }
+
+ private:
+    DISALLOW_IMPLICIT_CONSTRUCTORS(SuggestOptions);
+
+    // Need to update com.android.inputmethod.latin.NativeSuggestOptions when you add, remove or
+    // reorder options.
+    static const int IS_GESTURE = 0;
+    static const int USE_FULL_EDIT_DISTANCE = 1;
+    static const int BLOCK_OFFENSIVE_WORDS = 2;
+    static const int SPACE_AWARE_GESTURE_ENABLED = 3;
+    // Additional features options are stored after the other options and used as setting values of
+    // experimental features.
+    static const int ADDITIONAL_FEATURES_OPTIONS = 4;
+
+    const int *const mOptions;
+    const int mLength;
+
+    AK_FORCE_INLINE bool isValidKey(const int key) const {
+        return 0 <= key && key < mLength;
+    }
+
+    AK_FORCE_INLINE bool getBoolOption(const int key) const {
+        if (isValidKey(key)) {
+            return mOptions[key] != 0;
+        }
+        return false;
+    }
+
+    AK_FORCE_INLINE int getIntOption(const int key) const {
+        if (isValidKey(key)) {
+            return mOptions[key];
+        }
+        return 0;
+    }
+};
+} // namespace latinime
+#endif // LATINIME_SUGGEST_OPTIONS_H