Add spellcheck and word suggestion to the prediction service

third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/shortcut/shortcut_list_reading_utils.h

Index: third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/shortcut/shortcut_list_reading_utils.h
diff --git a/third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/shortcut/shortcut_list_reading_utils.h b/third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/shortcut/shortcut_list_reading_utils.h
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index 0000000000000000000000000000000000000000..58e48904c32d6dc3421d1dd71e7d5c25049b241e
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+++ b/third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/shortcut/shortcut_list_reading_utils.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_SHORTCUT_LIST_READING_UTILS_H
+#define LATINIME_SHORTCUT_LIST_READING_UTILS_H
+
+#include <cstdint>
+
+#include "third_party/android_prediction/defines.h"
+
+namespace latinime {
+
+class ShortcutListReadingUtils {
+ public:
+    typedef uint8_t ShortcutFlags;
+
+    static ShortcutFlags getFlagsAndForwardPointer(const uint8_t *const dictRoot, int *const pos);
+
+    static AK_FORCE_INLINE int getProbabilityFromFlags(const ShortcutFlags flags) {
+        return flags & MASK_ATTRIBUTE_PROBABILITY;
+    }
+
+    static AK_FORCE_INLINE bool hasNext(const ShortcutFlags flags) {
+        return (flags & FLAG_ATTRIBUTE_HAS_NEXT) != 0;
+    }
+
+    // This method returns the size of the shortcut list region excluding the shortcut list size
+    // field at the beginning.
+    static int getShortcutListSizeAndForwardPointer(const uint8_t *const dictRoot, int *const pos);
+
+    static AK_FORCE_INLINE int getShortcutListSizeFieldSize() {
+        return SHORTCUT_LIST_SIZE_FIELD_SIZE;
+    }
+
+    static AK_FORCE_INLINE void skipShortcuts(const uint8_t *const dictRoot, int *const pos) {
+        const int shortcutListSize = getShortcutListSizeAndForwardPointer(dictRoot, pos);
+        *pos += shortcutListSize;
+    }
+
+    static AK_FORCE_INLINE bool isWhitelist(const ShortcutFlags flags) {
+        return getProbabilityFromFlags(flags) == WHITELIST_SHORTCUT_PROBABILITY;
+    }
+
+    static int readShortcutTarget(const uint8_t *const dictRoot, const int maxLength,
+            int *const outWord, int *const pos);
+
+ private:
+    DISALLOW_IMPLICIT_CONSTRUCTORS(ShortcutListReadingUtils);
+
+    static const ShortcutFlags FLAG_ATTRIBUTE_HAS_NEXT;
+    static const ShortcutFlags MASK_ATTRIBUTE_PROBABILITY;
+    static const int SHORTCUT_LIST_SIZE_FIELD_SIZE;
+    static const int WHITELIST_SHORTCUT_PROBABILITY;
+};
+} // namespace latinime
+#endif // LATINIME_SHORTCUT_LIST_READING_UTILS_H