/*
* Copyright (C) 2009 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_DICTIONARY_H
#define LATINIME_DICTIONARY_H
#include <stdint.h>
#include "defines.h"
namespace latinime {
class BigramDictionary;
class ProximityInfo;
class SuggestInterface;
class UnigramDictionary;
class Dictionary {
public:
// Taken from SuggestedWords.java
static const int KIND_MASK_KIND = 0xFF; // Mask to get only the kind
static const int KIND_TYPED = 0; // What user typed
static const int KIND_CORRECTION = 1; // Simple correction/suggestion
static const int KIND_COMPLETION = 2; // Completion (suggestion with appended chars)
static const int KIND_WHITELIST = 3; // Whitelisted word
static const int KIND_BLACKLIST = 4; // Blacklisted word
static const int KIND_HARDCODED = 5; // Hardcoded suggestion, e.g. punctuation
static const int KIND_APP_DEFINED = 6; // Suggested by the application
static const int KIND_SHORTCUT = 7; // A shortcut
static const int KIND_PREDICTION = 8; // A prediction (== a suggestion with no input)
static const int KIND_MASK_FLAGS = 0xFFFFFF00; // Mask to get the flags
static const int KIND_FLAG_POSSIBLY_OFFENSIVE = 0x80000000;
static const int KIND_FLAG_EXACT_MATCH = 0x40000000;
Dictionary(void *dict, int dictSize, int mmapFd, int dictBufAdjust);
int getSuggestions(ProximityInfo *proximityInfo, void *traverseSession, int *xcoordinates,
int *ycoordinates, int *times, int *pointerIds, int *inputCodePoints, int inputSize,
int *prevWordCodePoints, int prevWordLength, int commitPoint, bool isGesture,
bool useFullEditDistance, int *outWords, int *frequencies, int *spaceIndices,
int *outputTypes) const;
int getBigrams(const int *word, int length, int *inputCodePoints, int inputSize, int *outWords,
int *frequencies, int *outputTypes) const;
int getProbability(const int *word, int length) const;
bool isValidBigram(const int *word1, int length1, const int *word2, int length2) const;
const uint8_t *getDict() const { // required to release dictionary buffer
return mDict;
}
const uint8_t *getOffsetDict() const {
return mOffsetDict;
}
int getDictSize() const { return mDictSize; }
int getMmapFd() const { return mMmapFd; }
int getDictBufAdjust() const { return mDictBufAdjust; }
int getDictFlags() const;
virtual ~Dictionary();
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(Dictionary);
const uint8_t *mDict;
const uint8_t *mOffsetDict;
// Used only for the mmap version of dictionary loading, but we use these as dummy variables
// also for the malloc version.
const int mDictSize;
const int mMmapFd;
const int mDictBufAdjust;
const UnigramDictionary *mUnigramDictionary;
const BigramDictionary *mBigramDictionary;
SuggestInterface *mGestureSuggest;
SuggestInterface *mTypingSuggest;
};
} // namespace latinime
#endif // LATINIME_DICTIONARY_H