102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LATINIME_DICTIONARY_H
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#define LATINIME_DICTIONARY_H
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#include <stdint.h>
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#include "defines.h"
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namespace latinime {
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class BigramDictionary;
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class IncrementalDecoderInterface;
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class ProximityInfo;
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class UnigramDictionary;
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class Dictionary {
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public:
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// Taken from SuggestedWords.java
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const static int KIND_TYPED = 0; // What user typed
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const static int KIND_CORRECTION = 1; // Simple correction/suggestion
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const static int KIND_COMPLETION = 2; // Completion (suggestion with appended chars)
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const static int KIND_WHITELIST = 3; // Whitelisted word
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const static int KIND_BLACKLIST = 4; // Blacklisted word
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const static int KIND_HARDCODED = 5; // Hardcoded suggestion, e.g. punctuation
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const static int KIND_APP_DEFINED = 6; // Suggested by the application
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const static int KIND_SHORTCUT = 7; // A shortcut
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const static int KIND_PREDICTION = 8; // A prediction (== a suggestion with no input)
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Dictionary(void *dict, int dictSize, int mmapFd, int dictBufAdjust, int typedLetterMultipler,
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int fullWordMultiplier, int maxWordLength, int maxWords, int maxPredictions);
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int getSuggestions(ProximityInfo *proximityInfo, void *traverseSession, int *xcoordinates,
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int *ycoordinates, int *times, int *pointerIds, int *codes, int codesSize,
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int *prevWordChars, int prevWordLength, int commitPoint, bool isGesture,
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bool useFullEditDistance, unsigned short *outWords,
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int *frequencies, int *spaceIndices, int *outputTypes) const;
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int getBigrams(const int32_t *word, int length, int *codes, int codesSize,
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unsigned short *outWords, int *frequencies, int *outputTypes) const;
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int getFrequency(const int32_t *word, int length) const;
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bool isValidBigram(const int32_t *word1, int length1, const int32_t *word2, int length2) const;
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const uint8_t *getDict() const { // required to release dictionary buffer
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return mDict;
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}
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const uint8_t *getOffsetDict() const {
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return mOffsetDict;
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}
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int getDictSize() const { return mDictSize; }
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int getMmapFd() const { return mMmapFd; }
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int getDictBufAdjust() const { return mDictBufAdjust; }
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virtual ~Dictionary();
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// public static utility methods
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// static inline methods should be defined in the header file
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static int wideStrLen(unsigned short *str);
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(Dictionary);
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const uint8_t *mDict;
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const uint8_t *mOffsetDict;
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// Used only for the mmap version of dictionary loading, but we use these as dummy variables
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// also for the malloc version.
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const int mDictSize;
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const int mMmapFd;
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const int mDictBufAdjust;
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const UnigramDictionary *mUnigramDictionary;
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const BigramDictionary *mBigramDictionary;
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IncrementalDecoderInterface *mGestureDecoder;
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};
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// public static utility methods
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// static inline methods should be defined in the header file
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inline int Dictionary::wideStrLen(unsigned short *str) {
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if (!str) return 0;
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int length = 0;
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while (*str) {
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str++;
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length++;
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}
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return length;
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}
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} // namespace latinime
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#endif // LATINIME_DICTIONARY_H
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