diff options
Diffstat (limited to 'java/src/com/android/inputmethod/latin/BinaryDictionary.java')
-rw-r--r-- | java/src/com/android/inputmethod/latin/BinaryDictionary.java | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java index 7184f1d8a..80af4b9fa 100644 --- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java +++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java @@ -31,7 +31,7 @@ import java.util.Locale; * Implements a static, compacted, binary dictionary of standard words. */ public final class BinaryDictionary extends Dictionary { - + private static final String TAG = BinaryDictionary.class.getSimpleName(); public static final String DICTIONARY_PACK_AUTHORITY = "com.android.inputmethod.latin.dictionarypack"; @@ -45,12 +45,9 @@ public final class BinaryDictionary extends Dictionary { public static final int MAX_WORDS = 18; public static final int MAX_SPACES = 16; - private static final String TAG = BinaryDictionary.class.getSimpleName(); private static final int MAX_PREDICTIONS = 60; private static final int MAX_RESULTS = Math.max(MAX_PREDICTIONS, MAX_WORDS); - private static final int TYPED_LETTER_MULTIPLIER = 2; - private long mNativeDict; private final Locale mLocale; private final int[] mInputCodePoints = new int[MAX_WORD_LENGTH]; @@ -67,7 +64,7 @@ public final class BinaryDictionary extends Dictionary { // TODO: There should be a way to remove used DicTraverseSession objects from // {@code mDicTraverseSessions}. - private DicTraverseSession getTraverseSession(int traverseSessionId) { + private DicTraverseSession getTraverseSession(final int traverseSessionId) { synchronized(mDicTraverseSessions) { DicTraverseSession traverseSession = mDicTraverseSessions.get(traverseSessionId); if (traverseSession == null) { @@ -84,7 +81,6 @@ public final class BinaryDictionary extends Dictionary { /** * Constructor for the binary dictionary. This is supposed to be called from the * dictionary factory. - * All implementations should pass null into flagArray, except for testing purposes. * @param context the context to access the environment from. * @param filename the name of the file to read through native code. * @param offset the offset of the dictionary data within the file. @@ -106,8 +102,7 @@ public final class BinaryDictionary extends Dictionary { } private native long openNative(String sourceDir, long dictOffset, long dictSize, - int typedLetterMultiplier, int fullWordMultiplier, int maxWordLength, int maxWords, - int maxPredictions); + int fullWordMultiplier, int maxWordLength, int maxWords, int maxPredictions); private native void closeNative(long dict); private native int getFrequencyNative(long dict, int[] word); private native boolean isValidBigramNative(long dict, int[] word1, int[] word2); @@ -120,26 +115,27 @@ public final class BinaryDictionary extends Dictionary { private static native int editDistanceNative(char[] before, char[] after); // TODO: Move native dict into session - private final void loadDictionary(String path, long startOffset, long length) { - mNativeDict = openNative(path, startOffset, length, TYPED_LETTER_MULTIPLIER, - FULL_WORD_SCORE_MULTIPLIER, MAX_WORD_LENGTH, MAX_WORDS, MAX_PREDICTIONS); + private final void loadDictionary(final String path, final long startOffset, + final long length) { + mNativeDict = openNative(path, startOffset, length, FULL_WORD_SCORE_MULTIPLIER, + MAX_WORD_LENGTH, MAX_WORDS, MAX_PREDICTIONS); } @Override public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer composer, - final CharSequence prevWord, final ProximityInfo proximityInfo) { + final String prevWord, final ProximityInfo proximityInfo) { return getSuggestionsWithSessionId(composer, prevWord, proximityInfo, 0); } @Override public ArrayList<SuggestedWordInfo> getSuggestionsWithSessionId(final WordComposer composer, - final CharSequence prevWord, final ProximityInfo proximityInfo, int sessionId) { + final String prevWord, final ProximityInfo proximityInfo, int sessionId) { if (!isValidDictionary()) return null; Arrays.fill(mInputCodePoints, Constants.NOT_A_CODE); // TODO: toLowerCase in the native code final int[] prevWordCodePointArray = (null == prevWord) - ? null : StringUtils.toCodePointArray(prevWord.toString()); + ? null : StringUtils.toCodePointArray(prevWord); final int composerSize = composer.size(); final boolean isGesture = composer.isBatchMode(); @@ -178,15 +174,16 @@ public final class BinaryDictionary extends Dictionary { return suggestions; } - /* package for test */ boolean isValidDictionary() { + public boolean isValidDictionary() { return mNativeDict != 0; } - public static float calcNormalizedScore(String before, String after, int score) { + public static float calcNormalizedScore(final String before, final String after, + final int score) { return calcNormalizedScoreNative(before.toCharArray(), after.toCharArray(), score); } - public static int editDistance(String before, String after) { + public static int editDistance(final String before, final String after) { if (before == null || after == null) { throw new IllegalArgumentException(); } @@ -194,23 +191,23 @@ public final class BinaryDictionary extends Dictionary { } @Override - public boolean isValidWord(CharSequence word) { + public boolean isValidWord(final String word) { return getFrequency(word) >= 0; } @Override - public int getFrequency(CharSequence word) { + public int getFrequency(final String word) { if (word == null) return -1; - int[] codePoints = StringUtils.toCodePointArray(word.toString()); + int[] codePoints = StringUtils.toCodePointArray(word); return getFrequencyNative(mNativeDict, codePoints); } // TODO: Add a batch process version (isValidBigramMultiple?) to avoid excessive numbers of jni // calls when checking for changes in an entire dictionary. - public boolean isValidBigram(CharSequence word1, CharSequence word2) { + public boolean isValidBigram(final String word1, final String word2) { if (TextUtils.isEmpty(word1) || TextUtils.isEmpty(word2)) return false; - int[] chars1 = StringUtils.toCodePointArray(word1.toString()); - int[] chars2 = StringUtils.toCodePointArray(word2.toString()); + final int[] chars1 = StringUtils.toCodePointArray(word1); + final int[] chars2 = StringUtils.toCodePointArray(word2); return isValidBigramNative(mNativeDict, chars1, chars2); } |