Add jni interface to get header information from native. (927aff72) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/BinaryDictionary.java

+35 −3

Original line number	Diff line number	Diff line
		@@ -22,6 +22,10 @@ import android.util.SparseArray;
		import com.android.inputmethod.annotations.UsedForTesting;
		import com.android.inputmethod.keyboard.ProximityInfo;
		import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
		import com.android.inputmethod.latin.makedict.DictionaryHeader;
		import com.android.inputmethod.latin.makedict.FormatSpec;
		import com.android.inputmethod.latin.makedict.FusionDictionary.DictionaryOptions;
		import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
		import com.android.inputmethod.latin.settings.NativeSuggestOptions;
		import com.android.inputmethod.latin.utils.CollectionUtils;
		import com.android.inputmethod.latin.utils.JniUtils;
		@@ -32,6 +36,7 @@ import com.android.inputmethod.latin.utils.WordProperty;
		import java.io.File;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.HashMap;
		import java.util.Locale;
		import java.util.Map;

		@@ -137,6 +142,9 @@ public final class BinaryDictionary extends Dictionary {
		String[] attributeKeyStringArray, String[] attributeValueStringArray);
		private static native long openNative(String sourceDir, long dictOffset, long dictSize,
		boolean isUpdatable);
		private static native void getHeaderInfoNative(long dict, int[] outHeaderSize,
		int[] outFormatVersion, ArrayList<int[]> outAttributeKeys,
		ArrayList<int[]> outAttributeValues);
		private static native void flushNative(long dict, String filePath);
		private static native boolean needsToRunGCNative(long dict, boolean mindsBlockByGC);
		private static native void flushWithGCNative(long dict, String filePath);
		@@ -170,7 +178,6 @@ public final class BinaryDictionary extends Dictionary {
		private static native int setCurrentTimeForTestNative(int currentTime);
		private static native String getPropertyNative(long dict, String query);

		@UsedForTesting
		public static boolean createEmptyDictFile(final String filePath, final long dictVersion,
		final Map<String, String> attributeMap) {
		final String[] keyArray = new String[attributeMap.size()];
		@@ -190,6 +197,33 @@ public final class BinaryDictionary extends Dictionary {
		mNativeDict = openNative(path, startOffset, length, isUpdatable);
		}

		@UsedForTesting
		public DictionaryHeader getHeader() throws UnsupportedFormatException {
		if (mNativeDict == 0) {
		return null;
		}
		final int[] outHeaderSize = new int[1];
		final int[] outFormatVersion = new int[1];
		final ArrayList<int[]> outAttributeKeys = CollectionUtils.newArrayList();
		final ArrayList<int[]> outAttributeValues = CollectionUtils.newArrayList();
		getHeaderInfoNative(mNativeDict, outHeaderSize, outFormatVersion, outAttributeKeys,
		outAttributeValues);
		final HashMap<String, String> attributes = new HashMap<String, String>();
		for (int i = 0; i < outAttributeKeys.size(); i++) {
		final String attributeKey = StringUtils.getStringFromNullTerminatedCodePointArray(
		outAttributeKeys.get(i));
		final String attributeValue = StringUtils.getStringFromNullTerminatedCodePointArray(
		outAttributeValues.get(i));
		attributes.put(attributeKey, attributeValue);
		}
		final boolean hasHistoricalInfo =
		attributes.get(DictionaryHeader.HAS_HISTORICAL_INFO_KEY).equals(
		DictionaryHeader.ATTRIBUTE_VALUE_TRUE);
		return new DictionaryHeader(outHeaderSize[0], new DictionaryOptions(attributes),
		new FormatSpec.FormatOptions(outFormatVersion[0], hasHistoricalInfo));
		}


		@Override
		public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer composer,
		final String prevWord, final ProximityInfo proximityInfo,
		@@ -307,7 +341,6 @@ public final class BinaryDictionary extends Dictionary {
		return getBigramProbabilityNative(mNativeDict, codePoints0, codePoints1);
		}

		@UsedForTesting
		public WordProperty getWordProperty(final String word) {
		if (TextUtils.isEmpty(word)) {
		return null;
		@@ -347,7 +380,6 @@ public final class BinaryDictionary extends Dictionary {
		* Method to iterate all words in the dictionary for makedict.
		* If token is 0, this method newly starts iterating the dictionary.
		*/
		@UsedForTesting
		public GetNextWordPropertyResult getNextWordProperty(final int token) {
		final int[] codePoints = new int[MAX_WORD_LENGTH];
		final int nextToken = getNextWordNative(mNativeDict, token, codePoints);

native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp

+16 −0

Original line number	Diff line number	Diff line
		@@ -137,6 +137,17 @@ static void latinime_BinaryDictionary_close(JNIEnv *env, jclass clazz, jlong dic
		delete dictionary;
		}

		static void latinime_BinaryDictionary_getHeaderInfo(JNIEnv *env, jclass clazz, jlong dict,
		jintArray outHeaderSize, jintArray outFormatVersion, jobject outAttributeKeys,
		jobject outAttributeValues) {
		Dictionary dictionary = reinterpret_cast<Dictionary >(dict);
		if (!dictionary) return;
		const int formatVersion = dictionary->getFormatVersionNumber();
		env->SetIntArrayRegion(outFormatVersion, 0 /* start /, 1 / len */, &formatVersion);
		// TODO: Implement
		return;
		}

		static int latinime_BinaryDictionary_getFormatVersion(JNIEnv *env, jclass clazz, jlong dict) {
		Dictionary dictionary = reinterpret_cast<Dictionary >(dict);
		if (!dictionary) return 0;
		@@ -510,6 +521,11 @@ static const JNINativeMethod sMethods[] = {
		const_cast<char *>("(J)I"),
		reinterpret_cast<void *>(latinime_BinaryDictionary_getFormatVersion)
		},
		{
		const_cast<char *>("getHeaderInfoNative"),
		const_cast<char *>("(J[I[ILjava/util/ArrayList;Ljava/util/ArrayList;)V"),
		reinterpret_cast<void *>(latinime_BinaryDictionary_getHeaderInfo)
		},
		{
		const_cast<char *>("flushNative"),
		const_cast<char *>("(JLjava/lang/String;)V"),