Remove corrupted ver4 dictionaries. (d934fb43) · Commits · e / os / android_packages_inputmethods_LatinIME

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

+22 −1

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package com.android.inputmethod.latin;

		import android.text.TextUtils;
		import android.util.Log;
		import android.util.SparseArray;

		import com.android.inputmethod.annotations.UsedForTesting;
		@@ -29,6 +30,7 @@ import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
		import com.android.inputmethod.latin.makedict.WordProperty;
		import com.android.inputmethod.latin.settings.NativeSuggestOptions;
		import com.android.inputmethod.latin.utils.CollectionUtils;
		import com.android.inputmethod.latin.utils.FileUtils;
		import com.android.inputmethod.latin.utils.JniUtils;
		import com.android.inputmethod.latin.utils.LanguageModelParam;
		import com.android.inputmethod.latin.utils.StringUtils;
		@@ -84,6 +86,7 @@ public final class BinaryDictionary extends Dictionary {
		private final Locale mLocale;
		private final long mDictSize;
		private final String mDictFilePath;
		private final boolean mIsUpdatable;
		private final int[] mInputCodePoints = new int[MAX_WORD_LENGTH];
		private final int[] mOutputCodePoints = new int[MAX_WORD_LENGTH * MAX_RESULTS];
		private final int[] mSpaceIndices = new int[MAX_RESULTS];
		@@ -130,6 +133,7 @@ public final class BinaryDictionary extends Dictionary {
		mLocale = locale;
		mDictSize = length;
		mDictFilePath = filename;
		mIsUpdatable = isUpdatable;
		mNativeSuggestOptions.setUseFullEditDistance(useFullEditDistance);
		loadDictionary(filename, offset, length, isUpdatable);
		}
		@@ -177,6 +181,7 @@ public final class BinaryDictionary extends Dictionary {
		int bigramProbability);
		private static native int setCurrentTimeForTestNative(int currentTime);
		private static native String getPropertyNative(long dict, String query);
		private static native boolean isCorruptedNative(long dict);

		public static boolean createEmptyDictFile(final String filePath, final long dictVersion,
		final Locale locale, final Map<String, String> attributeMap) {
		@@ -198,6 +203,22 @@ public final class BinaryDictionary extends Dictionary {
		mNativeDict = openNative(path, startOffset, length, isUpdatable);
		}

		// TODO: Check isCorrupted() for main dictionaries.
		public boolean isCorrupted() {
		if (!isValidDictionary()) {
		return false;
		}
		if (!isCorruptedNative(mNativeDict)) {
		return false;
		}
		// TODO: Record the corruption.
		Log.e(TAG, "BinaryDictionary (" + mDictFilePath + ") is corrupted.");
		Log.e(TAG, "locale: " + mLocale);
		Log.e(TAG, "dict size: " + mDictSize);
		Log.e(TAG, "updatable: " + mIsUpdatable);
		return true;
		}

		@UsedForTesting
		public DictionaryHeader getHeader() throws UnsupportedFormatException {
		if (mNativeDict == 0) {
		@@ -444,7 +465,7 @@ public final class BinaryDictionary extends Dictionary {
		// only be called for actual files. Right now it's only called by the flush() family of
		// functions, which require an updatable dictionary, so it's okay. But beware.
		loadDictionary(dictFile.getAbsolutePath(), 0 /* startOffset */,
		dictFile.length(), true /* isUpdatable */);
		dictFile.length(), mIsUpdatable);
		}

		public void flush() {

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

+16 −9

Original line number	Diff line number	Diff line
		@@ -276,22 +276,26 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
		return attributeMap;
		}

		private void removeBinaryDictionaryLocked() {
		if (mBinaryDictionary != null) {
		mBinaryDictionary.close();
		}
		if (mDictFile.exists() && !FileUtils.deleteRecursively(mDictFile)) {
		Log.e(TAG, "Can't remove a file: " + mDictFile.getName());
		}
		mBinaryDictionary = null;
		}

		protected void clear() {
		final File dictFile = mDictFile;
		getExecutor(mDictName).execute(new Runnable() {
		@Override
		public void run() {
		if (mDictionaryWriter == null) {
		if (mBinaryDictionary != null) {
		mBinaryDictionary.close();
		}
		if (dictFile.exists() && !FileUtils.deleteRecursively(dictFile)) {
		Log.e(TAG, "Can't remove a file: " + dictFile.getName());
		}
		BinaryDictionary.createEmptyDictFile(dictFile.getAbsolutePath(),
		removeBinaryDictionaryLocked();
		BinaryDictionary.createEmptyDictFile(mDictFile.getAbsolutePath(),
		DICTIONARY_FORMAT_VERSION, mLocale, getHeaderAttributeMap());
		mBinaryDictionary = new BinaryDictionary(
		dictFile.getAbsolutePath(), 0 /* offset */, dictFile.length(),
		mDictFile.getAbsolutePath(), 0 /* offset */, mDictFile.length(),
		true /* useFullEditDistance */, mLocale, mDictType, mIsUpdatable);
		} else {
		mDictionaryWriter.clear();
		@@ -469,6 +473,9 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
		proximityInfo, blockOffensiveWords, additionalFeaturesOptions,
		sessionId);
		holder.set(binarySuggestion);
		if (mBinaryDictionary.isCorrupted()) {
		removeBinaryDictionaryLocked();
		}
		}
		});
		return holder.get(null, TIMEOUT_FOR_READ_OPS_IN_MILLISECONDS);

native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp

+13 −0

Original line number	Diff line number	Diff line
		@@ -529,6 +529,14 @@ static int latinime_BinaryDictionary_setCurrentTimeForTest(JNIEnv *env, jclass c
		return TimeKeeper::peekCurrentTime();
		}

		static bool latinime_BinaryDictionary_isCorruptedNative(JNIEnv *env, jclass clazz, jlong dict) {
		Dictionary dictionary = reinterpret_cast<Dictionary >(dict);
		if (!dictionary) {
		return false;
		}
		return dictionary->getDictionaryStructurePolicy()->isCorrupted();
		}

		static const JNINativeMethod sMethods[] = {
		{
		const_cast<char *>("createEmptyDictFileNative"),
		@@ -642,6 +650,11 @@ static const JNINativeMethod sMethods[] = {
		const_cast<char *>("getPropertyNative"),
		const_cast<char *>("(JLjava/lang/String;)Ljava/lang/String;"),
		reinterpret_cast<void *>(latinime_BinaryDictionary_getProperty)
		},
		{
		const_cast<char *>("isCorruptedNative"),
		const_cast<char *>("(J)Z"),
		reinterpret_cast<void *>(latinime_BinaryDictionary_isCorruptedNative)
		}
		};