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/*
* Copyright (c) 2013 Menny Even-Danan
*
* 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.
*/
package com.anysoftkeyboard.dictionaries.sqlite;
import android.content.Context;
import android.support.annotation.NonNull;
import com.anysoftkeyboard.base.dictionaries.WordComposer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class AbbreviationsDictionary extends SQLiteUserDictionaryBase {
private static final int ABBR_MAX_WORD_LENGTH = 2048;
private final Map<CharSequence, List<String>> mAbbreviationsMap = new HashMap<>();
public AbbreviationsDictionary(Context context, String locale) {
super("AbbreviationsDictionary", context, locale);
}
@Override
protected WordsSQLiteConnection createStorage(String locale) {
return new WordsSQLiteConnection(mContext, "abbreviations.db", locale);
}
@Override
protected int getMaxWordLength() {
return ABBR_MAX_WORD_LENGTH;
}
@Override
public void getWords(WordComposer codes, WordCallback callback) {
if (isClosed() || isLoading()) return;
String word = codes.getTypedWord().toString();
reportExplodedWords(callback, word);
if (codes.isFirstCharCapitalized()) {
String nonCapitalizedWord = toLowerCase(word.charAt(0))+(word.length() > 1? word.substring(1) : "");
reportExplodedWords(callback, nonCapitalizedWord);
}
}
private void reportExplodedWords(WordCallback callback, String word) {
List<String> explodedStringsList = mAbbreviationsMap.get(word);
if (explodedStringsList != null) {
for(String explodedString : explodedStringsList)
callback.addWord(explodedString.toCharArray(), 0, explodedString.length(), MAX_WORD_FREQUENCY, this);
}
}
@Override
protected void addWordFromStorage(String word, int frequency) {
//not double storing the words in memory, so I'm not calling the super method
String key = getAbbreviation(word, frequency);
String value = getExplodedSentence(word, frequency);
if (mAbbreviationsMap.containsKey(key)) {
mAbbreviationsMap.get(key).add(value);
} else {
List<String> list = new ArrayList<>(1);
list.add(value);
mAbbreviationsMap.put(key, list);
}
}
public static String getAbbreviation(@NonNull String word, int frequency) {
return word.substring(0, frequency);
}
public static String getExplodedSentence(@NonNull String word, int frequency) {
return word.substring(frequency);
}
}
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