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Commit eb2fe2ab authored by Tom Ouyang's avatar Tom Ouyang
Browse files

Add wrapper for incremental decoder.

Change-Id: Ie11e2b83c2602c0d5a2739a7d4f4994f80d7e298
parent 71b772ec
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+2 −1
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@@ -49,7 +49,8 @@ LATIN_IME_CORE_SRC_FILES := \
    proximity_info.cpp \
    proximity_info_state.cpp \
    unigram_dictionary.cpp \
    gesture/gesture_decoder_wrapper.cpp
    gesture/gesture_decoder_wrapper.cpp \
    gesture/incremental_decoder_wrapper.cpp

LOCAL_SRC_FILES := \
    $(LATIN_IME_JNI_SRC_FILES) \
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/*
 * Copyright (C) 2012 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.
 */

#include "incremental_decoder_wrapper.h"

namespace latinime {
    IncrementalDecoderInterface *
            (*IncrementalDecoderWrapper::sIncrementalDecoderFactoryMethod)(int, int) = 0;
} // namespace latinime
+92 −0
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/*
 * Copyright (C) 2012 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_INCREMENTAL_DECODER_WRAPPER_H
#define LATINIME_INCREMENTAL_DECODER_WRAPPER_H

#include <stdint.h>
#include "defines.h"
#include "incremental_decoder_interface.h"

namespace latinime {

class UnigramDictionary;
class BigramDictionary;
class ProximityInfo;

class IncrementalDecoderWrapper : public IncrementalDecoderInterface {
 public:
    IncrementalDecoderWrapper(const int maxWordLength, const int maxWords) {
        mIncrementalDecoderInterface = getIncrementalDecoderInstance(maxWordLength, maxWords);
    }

    virtual ~IncrementalDecoderWrapper() {
        delete mIncrementalDecoderInterface;
    }

    int getSuggestions(ProximityInfo *pInfo, int *inputXs, int *inputYs, int *times,
            int *pointerIds, int *codes, int inputSize, int commitPoint,
            unsigned short *outWords, int *frequencies, int *outputIndices, int *outputTypes) {
        if (!mIncrementalDecoderInterface) {
            return 0;
        }
        return mIncrementalDecoderInterface->getSuggestions(
                pInfo, inputXs, inputYs, times, pointerIds, codes, inputSize, commitPoint,
                outWords, frequencies, outputIndices, outputTypes);
    }

    void reset() {
        if (!mIncrementalDecoderInterface) {
            return;
        }
        mIncrementalDecoderInterface->reset();
    }

    void setDict(const UnigramDictionary *dict, const BigramDictionary *bigram,
            const uint8_t *dictRoot, int rootPos) {
        if (!mIncrementalDecoderInterface) {
            return;
        }
        mIncrementalDecoderInterface->setDict(dict, bigram, dictRoot, rootPos);
    }

    void setPrevWord(const int32_t *prevWord, int prevWordLength) {
        if (!mIncrementalDecoderInterface) {
            return;
        }
        mIncrementalDecoderInterface->setPrevWord(prevWord, prevWordLength);
    }

    static void setIncrementalDecoderFactoryMethod(
            IncrementalDecoderInterface *(*factoryMethod)(int, int)) {
        sIncrementalDecoderFactoryMethod = factoryMethod;
    }

 private:
    DISALLOW_COPY_AND_ASSIGN(IncrementalDecoderWrapper);
    static IncrementalDecoderInterface *getIncrementalDecoderInstance(int maxWordLength,
            int maxWords) {
        if (sIncrementalDecoderFactoryMethod) {
            return sIncrementalDecoderFactoryMethod(maxWordLength, maxWords);
        }
        return 0;
    }

    static IncrementalDecoderInterface *(*sIncrementalDecoderFactoryMethod)(int, int);
    IncrementalDecoderInterface *mIncrementalDecoderInterface;
};
} // namespace latinime
#endif // LATINIME_INCREMENTAL_DECODER_WRAPPER_H