diff options
Diffstat (limited to 'java/src')
18 files changed, 442 insertions, 170 deletions
diff --git a/java/src/com/android/inputmethod/keyboard/EmojiKeyboardView.java b/java/src/com/android/inputmethod/keyboard/EmojiKeyboardView.java index 4e61edac2..61dc56ed1 100644 --- a/java/src/com/android/inputmethod/keyboard/EmojiKeyboardView.java +++ b/java/src/com/android/inputmethod/keyboard/EmojiKeyboardView.java @@ -153,7 +153,9 @@ public final class EmojiKeyboardView extends LinearLayout implements OnTabChange mCategoryNameToIdMap.put(sCategoryName[i], i); } addShownCategoryId(CATEGORY_ID_RECENTS); - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) { + if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR2 + || android.os.Build.VERSION.CODENAME.equalsIgnoreCase("KeyLimePie") + || android.os.Build.VERSION.CODENAME.equalsIgnoreCase("KitKat")) { addShownCategoryId(CATEGORY_ID_PEOPLE); addShownCategoryId(CATEGORY_ID_OBJECTS); addShownCategoryId(CATEGORY_ID_NATURE); diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java index d4d0d8718..ee4ac950c 100644 --- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java +++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java @@ -346,6 +346,8 @@ public final class PointerTracker implements PointerTrackerQueue.Element { // true if this pointer is in a sliding key input from a modifier key, // so that further modifier keys should be ignored. boolean mIsInSlidingKeyInputFromModifier; + // if not a NOT_A_CODE, the key of this code is repeating + private int mCurrentRepeatingKeyCode = Constants.NOT_A_CODE; // true if a sliding key input is allowed. private boolean mIsAllowedSlidingKeyInput; @@ -937,9 +939,10 @@ public final class PointerTracker implements PointerTrackerQueue.Element { if (!sShouldHandleGesture) { return; } - // A gesture should start only from a non-modifier key. + // A gesture should start only from a non-modifier key. Note that the gesture detection is + // disabled when the key is repeating. mIsDetectingGesture = (mKeyboard != null) && mKeyboard.mId.isAlphabetKeyboard() - && key != null && !key.isModifier() && !key.isRepeatable(); + && key != null && !key.isModifier(); if (mIsDetectingGesture) { if (getActivePointerTrackerCount() == 1) { sGestureFirstDownTime = eventTime; @@ -1247,6 +1250,8 @@ public final class PointerTracker implements PointerTrackerQueue.Element { mIsDetectingGesture = false; final Key currentKey = mCurrentKey; mCurrentKey = null; + final int currentRepeatingKeyCode = mCurrentRepeatingKeyCode; + mCurrentRepeatingKeyCode = Constants.NOT_A_CODE; // Release the last pressed key. setReleasedKeyGraphics(currentKey); @@ -1272,8 +1277,8 @@ public final class PointerTracker implements PointerTrackerQueue.Element { if (mIsTrackingForActionDisabled) { return; } - if (currentKey != null && currentKey.isRepeatable() && !isInSlidingKeyInput) { - // Repeatable key has been registered in {@link #onDownEventInternal(int,int,long)}. + if (currentKey != null && currentKey.isRepeatable() + && (currentKey.getCode() == currentRepeatingKeyCode) && !isInSlidingKeyInput) { return; } detectAndSendKey(currentKey, mKeyX, mKeyY, eventTime); @@ -1412,7 +1417,6 @@ public final class PointerTracker implements PointerTrackerQueue.Element { if (!key.isRepeatable()) return; // Don't start key repeat when we are in sliding input mode. if (mIsInSlidingKeyInput) return; - detectAndSendKey(key, key.getX(), key.getY(), SystemClock.uptimeMillis()); final int startRepeatCount = 1; mTimerProxy.startKeyRepeatTimer(this, startRepeatCount, sParams.mKeyRepeatStartTimeout); } @@ -1420,8 +1424,11 @@ public final class PointerTracker implements PointerTrackerQueue.Element { public void onKeyRepeat(final int code, final int repeatCount) { final Key key = getKey(); if (key == null || key.getCode() != code) { + mCurrentRepeatingKeyCode = Constants.NOT_A_CODE; return; } + mCurrentRepeatingKeyCode = code; + mIsDetectingGesture = false; final int nextRepeatCount = repeatCount + 1; mTimerProxy.startKeyRepeatTimer(this, nextRepeatCount, sParams.mKeyRepeatInterval); callListenerOnPressAndCheckKeyboardLayoutChange(key, repeatCount); diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java index b3491d807..9f9fdaa6f 100644 --- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java +++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java @@ -585,7 +585,7 @@ public final class KeyboardState { } } - private static boolean isSpaceCharacter(final int c) { + private static boolean isSpaceOrEnter(final int c) { return c == Constants.CODE_SPACE || c == Constants.CODE_ENTER; } @@ -614,7 +614,12 @@ public final class KeyboardState { } break; case SWITCH_STATE_SYMBOL_BEGIN: - if (!isSpaceCharacter(code) && (Constants.isLetterCode(code) + if (mIsEmojiMode) { + // When in the Emoji keyboard, we don't want to switch back to the main layout even + // after the user hits an emoji letter followed by an enter or a space. + break; + } + if (!isSpaceOrEnter(code) && (Constants.isLetterCode(code) || code == Constants.CODE_OUTPUT_TEXT)) { mSwitchState = SWITCH_STATE_SYMBOL; } @@ -622,7 +627,7 @@ public final class KeyboardState { case SWITCH_STATE_SYMBOL: // Switch back to alpha keyboard mode if user types one or more non-space/enter // characters followed by a space/enter. - if (isSpaceCharacter(code)) { + if (isSpaceOrEnter(code)) { toggleAlphabetAndSymbols(); mPrevSymbolsKeyboardWasShifted = false; } diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java index 61ccfcfad..a463651d5 100644 --- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java +++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java @@ -31,10 +31,12 @@ import java.io.File; import java.util.ArrayList; import java.util.Arrays; import java.util.Locale; +import java.util.Map; /** * Implements a static, compacted, binary dictionary of standard words. */ +// TODO: All methods which should be locked need to have a suffix "Locked". public final class BinaryDictionary extends Dictionary { private static final String TAG = BinaryDictionary.class.getSimpleName(); @@ -103,6 +105,8 @@ public final class BinaryDictionary extends Dictionary { JniUtils.loadNativeLibrary(); } + private static native boolean createEmptyDictFileNative(String filePath, long dictVersion, + String[] attributeKeyStringArray, String[] attributeValueStringArray); private static native long openNative(String sourceDir, long dictOffset, long dictSize, boolean isUpdatable); private static native void flushNative(long dict, String filePath); @@ -126,6 +130,20 @@ public final class BinaryDictionary extends Dictionary { private static native int calculateProbabilityNative(long dict, int unigramProbability, int bigramProbability); + @UsedForTesting + public static boolean createEmptyDictFile(final String filePath, final long dictVersion, + final Map<String, String> attributeMap) { + final String[] keyArray = new String[attributeMap.size()]; + final String[] valueArray = new String[attributeMap.size()]; + int index = 0; + for (final String key : attributeMap.keySet()) { + keyArray[index] = key; + valueArray[index] = attributeMap.get(key); + index++; + } + return createEmptyDictFileNative(filePath, dictVersion, keyArray, valueArray); + } + // TODO: Move native dict into session private final void loadDictionary(final String path, final long startOffset, final long length, final boolean isUpdatable) { @@ -283,22 +301,23 @@ public final class BinaryDictionary extends Dictionary { removeBigramWordsNative(mNativeDict, codePoints0, codePoints1); } - public void flush() { - if (!isValidDictionary()) return; - flushNative(mNativeDict, mDictFilePath); - closeNative(mNativeDict); + private void reopen() { + close(); final File dictFile = new File(mDictFilePath); mNativeDict = openNative(dictFile.getAbsolutePath(), 0 /* startOffset */, dictFile.length(), true /* isUpdatable */); } + public void flush() { + if (!isValidDictionary()) return; + flushNative(mNativeDict, mDictFilePath); + reopen(); + } + public void flushWithGC() { if (!isValidDictionary()) return; flushWithGCNative(mNativeDict, mDictFilePath); - closeNative(mNativeDict); - final File dictFile = new File(mDictFilePath); - mNativeDict = openNative(dictFile.getAbsolutePath(), 0 /* startOffset */, - dictFile.length(), true /* isUpdatable */); + reopen(); } public boolean needsToRunGC() { @@ -338,21 +357,23 @@ public final class BinaryDictionary extends Dictionary { traverseSession.close(); } } + mDicTraverseSessions.clear(); } - closeInternal(); + closeInternalLocked(); } - private synchronized void closeInternal() { + private synchronized void closeInternalLocked() { if (mNativeDict != 0) { closeNative(mNativeDict); mNativeDict = 0; } } + // TODO: Manage BinaryDictionary instances without using WeakReference or something. @Override protected void finalize() throws Throwable { try { - closeInternal(); + closeInternalLocked(); } finally { super.finalize(); } diff --git a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java index 0774ce203..99859decf 100644 --- a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java +++ b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java @@ -22,12 +22,7 @@ import android.util.Log; import com.android.inputmethod.annotations.UsedForTesting; import com.android.inputmethod.keyboard.ProximityInfo; -import com.android.inputmethod.latin.makedict.DictEncoder; import com.android.inputmethod.latin.makedict.FormatSpec; -import com.android.inputmethod.latin.makedict.FusionDictionary; -import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray; -import com.android.inputmethod.latin.makedict.UnsupportedFormatException; -import com.android.inputmethod.latin.makedict.Ver3DictEncoder; import com.android.inputmethod.latin.personalization.DynamicPersonalizationDictionaryWriter; import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo; import com.android.inputmethod.latin.utils.AsyncResultHolder; @@ -35,9 +30,9 @@ import com.android.inputmethod.latin.utils.CollectionUtils; import com.android.inputmethod.latin.utils.PrioritizedSerialExecutor; import java.io.File; -import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; +import java.util.Map; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.atomic.AtomicReference; @@ -68,8 +63,10 @@ abstract public class ExpandableBinaryDictionary extends Dictionary { */ protected static final int MAX_WORD_LENGTH = Constants.DICTIONARY_MAX_WORD_LENGTH; - private static final FormatSpec.FormatOptions FORMAT_OPTIONS = - new FormatSpec.FormatOptions(3 /* version */, true /* supportsDynamicUpdate */); + private static final int DICTIONARY_FORMAT_VERSION = 3; + + private static final String SUPPORTS_DYNAMIC_UPDATE = + FormatSpec.FileHeader.ATTRIBUTE_VALUE_TRUE; /** * A static map of time recorders, each of which records the time of accesses to a single binary @@ -233,6 +230,13 @@ abstract public class ExpandableBinaryDictionary extends Dictionary { }); } + protected Map<String, String> getHeaderAttributeMap() { + HashMap<String, String> attributeMap = new HashMap<String, String>(); + attributeMap.put(FormatSpec.FileHeader.SUPPORTS_DYNAMIC_UPDATE_ATTRIBUTE, + SUPPORTS_DYNAMIC_UPDATE); + return attributeMap; + } + protected void clear() { getExecutor(mFilename).execute(new Runnable() { @Override @@ -240,17 +244,8 @@ abstract public class ExpandableBinaryDictionary extends Dictionary { if (ENABLE_BINARY_DICTIONARY_DYNAMIC_UPDATE && mDictionaryWriter == null) { mBinaryDictionary.close(); final File file = new File(mContext.getFilesDir(), mFilename); - final FusionDictionary dict = new FusionDictionary(new PtNodeArray(), - new FusionDictionary.DictionaryOptions(new HashMap<String,String>(), - false, false)); - final DictEncoder dictEncoder = new Ver3DictEncoder(file); - try { - dictEncoder.writeDictionary(dict, FORMAT_OPTIONS); - } catch (IOException e) { - Log.e(TAG, "Exception in creating new dictionary file.", e); - } catch (UnsupportedFormatException e) { - Log.e(TAG, "Exception in creating new dictionary file.", e); - } + BinaryDictionary.createEmptyDictFile(file.getAbsolutePath(), + DICTIONARY_FORMAT_VERSION, getHeaderAttributeMap()); } else { mDictionaryWriter.clear(); } @@ -498,17 +493,8 @@ abstract public class ExpandableBinaryDictionary extends Dictionary { if (ENABLE_BINARY_DICTIONARY_DYNAMIC_UPDATE) { if (mBinaryDictionary == null || !mBinaryDictionary.isValidDictionary()) { final File file = new File(mContext.getFilesDir(), mFilename); - final FusionDictionary dict = new FusionDictionary(new PtNodeArray(), - new FusionDictionary.DictionaryOptions(new HashMap<String,String>(), - false, false)); - final DictEncoder dictEncoder = new Ver3DictEncoder(file); - try { - dictEncoder.writeDictionary(dict, FORMAT_OPTIONS); - } catch (IOException e) { - Log.e(TAG, "Exception in creating new dictionary file.", e); - } catch (UnsupportedFormatException e) { - Log.e(TAG, "Exception in creating new dictionary file.", e); - } + BinaryDictionary.createEmptyDictFile(file.getAbsolutePath(), + DICTIONARY_FORMAT_VERSION, getHeaderAttributeMap()); } else { if (mBinaryDictionary.needsToRunGC()) { mBinaryDictionary.flushWithGC(); diff --git a/java/src/com/android/inputmethod/latin/RichInputConnection.java b/java/src/com/android/inputmethod/latin/RichInputConnection.java index 925381b50..8580a6e54 100644 --- a/java/src/com/android/inputmethod/latin/RichInputConnection.java +++ b/java/src/com/android/inputmethod/latin/RichInputConnection.java @@ -30,6 +30,7 @@ import com.android.inputmethod.latin.define.ProductionFlag; import com.android.inputmethod.latin.settings.SettingsValues; import com.android.inputmethod.latin.utils.CapsModeUtils; import com.android.inputmethod.latin.utils.DebugLogUtils; +import com.android.inputmethod.latin.utils.SpannableStringUtils; import com.android.inputmethod.latin.utils.StringUtils; import com.android.inputmethod.latin.utils.TextRange; import com.android.inputmethod.research.ResearchLogger; @@ -610,8 +611,9 @@ public final class RichInputConnection { // We don't use TextUtils#concat because it copies all spans without respect to their // nature. If the text includes a PARAGRAPH span and it has been split, then // TextUtils#concat will crash when it tries to concat both sides of it. - return new TextRange(StringUtils.concatWithNonParagraphSuggestionSpansOnly(before, after), - startIndexInBefore, before.length() + endIndexInAfter, before.length()); + return new TextRange( + SpannableStringUtils.concatWithNonParagraphSuggestionSpansOnly(before, after), + startIndexInBefore, before.length() + endIndexInAfter, before.length()); } public boolean isCursorTouchingWord(final SettingsValues settingsValues) { diff --git a/java/src/com/android/inputmethod/latin/makedict/BinaryDictEncoderUtils.java b/java/src/com/android/inputmethod/latin/makedict/BinaryDictEncoderUtils.java index 4dba8e5cf..6cc0bfb76 100644 --- a/java/src/com/android/inputmethod/latin/makedict/BinaryDictEncoderUtils.java +++ b/java/src/com/android/inputmethod/latin/makedict/BinaryDictEncoderUtils.java @@ -225,6 +225,26 @@ public class BinaryDictEncoderUtils { return position; } + static void writeUIntToStream(final OutputStream stream, final int value, final int size) + throws IOException { + switch(size) { + case 4: + stream.write((value >> 24) & 0xFF); + /* fall through */ + case 3: + stream.write((value >> 16) & 0xFF); + /* fall through */ + case 2: + stream.write((value >> 8) & 0xFF); + /* fall through */ + case 1: + stream.write(value & 0xFF); + break; + default: + /* nop */ + } + } + // End utility methods // This method is responsible for finding a nice ordering of the nodes that favors run-time @@ -882,8 +902,9 @@ public class BinaryDictEncoderUtils { * @param destination the stream to write the file header to. * @param dict the dictionary to write. * @param formatOptions file format options. + * @return the size of the header. */ - /* package */ static void writeDictionaryHeader(final OutputStream destination, + /* package */ static int writeDictionaryHeader(final OutputStream destination, final FusionDictionary dict, final FormatOptions formatOptions) throws IOException, UnsupportedFormatException { final int version = formatOptions.mVersion; @@ -932,5 +953,6 @@ public class BinaryDictEncoderUtils { destination.write(bytes); headerBuffer.close(); + return size; } } diff --git a/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java b/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java index 51b89a02a..849bff050 100644 --- a/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java +++ b/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java @@ -263,7 +263,10 @@ public final class FormatSpec { // These values are used only by version 4 or later. static final String TRIE_FILE_EXTENSION = ".trie"; static final String FREQ_FILE_EXTENSION = ".freq"; + // tat = Terminal Address Table + static final String TERMINAL_ADDRESS_TABLE_FILE_EXTENSION = ".tat"; static final int FREQUENCY_AND_FLAGS_SIZE = 2; + static final int TERMINAL_ADDRESS_TABLE_ADDRESS_SIZE = 3; static final int NO_CHILDREN_ADDRESS = Integer.MIN_VALUE; static final int NO_PARENT_ADDRESS = 0; @@ -322,6 +325,12 @@ public final class FormatSpec { public final int mHeaderSize; public final DictionaryOptions mDictionaryOptions; public final FormatOptions mFormatOptions; + // Note that these are corresponding definitions in native code in latinime::HeaderPolicy + // and latinime::HeaderReadWriteUtils. + public static final String SUPPORTS_DYNAMIC_UPDATE_ATTRIBUTE = "SUPPORTS_DYNAMIC_UPDATE"; + public static final String USES_FORGETTING_CURVE_ATTRIBUTE = "USES_FORGETTING_CURVE"; + public static final String ATTRIBUTE_VALUE_TRUE = "1"; + private static final String DICTIONARY_VERSION_ATTRIBUTE = "version"; private static final String DICTIONARY_LOCALE_ATTRIBUTE = "locale"; private static final String DICTIONARY_ID_ATTRIBUTE = "dictionary"; diff --git a/java/src/com/android/inputmethod/latin/makedict/SparseTable.java b/java/src/com/android/inputmethod/latin/makedict/SparseTable.java new file mode 100644 index 000000000..0b9cf91d2 --- /dev/null +++ b/java/src/com/android/inputmethod/latin/makedict/SparseTable.java @@ -0,0 +1,150 @@ +/* + * Copyright (C) 2013 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. + */ + +package com.android.inputmethod.latin.makedict; + +import com.android.inputmethod.annotations.UsedForTesting; + +import java.io.IOException; +import java.io.OutputStream; +import java.util.ArrayList; +import java.util.Collections; + +/** + * SparseTable is an extensible map from integer to integer. + * This holds one value for every mBlockSize keys, so it uses 1/mBlockSize'th of the full index + * memory. + */ +@UsedForTesting +public class SparseTable { + + /** + * mLookupTable is indexed by terminal ID, containing exactly one entry for every mBlockSize + * terminals. + * It contains at index i = j / mBlockSize the index in mContentsTable where the values for + * terminals with IDs j to j + mBlockSize - 1 are stored as an mBlockSize-sized integer array. + */ + private final ArrayList<Integer> mLookupTable; + private final ArrayList<Integer> mContentTable; + + private final int mBlockSize; + public static final int NOT_EXIST = -1; + + @UsedForTesting + public SparseTable(final int initialCapacity, final int blockSize) { + mBlockSize = blockSize; + final int lookupTableSize = initialCapacity / mBlockSize + + (initialCapacity % mBlockSize > 0 ? 1 : 0); + mLookupTable = new ArrayList<Integer>(Collections.nCopies(lookupTableSize, NOT_EXIST)); + mContentTable = new ArrayList<Integer>(); + } + + @UsedForTesting + public SparseTable(final int[] lookupTable, final int[] contentTable, final int blockSize) { + mBlockSize = blockSize; + mLookupTable = new ArrayList<Integer>(lookupTable.length); + for (int i = 0; i < lookupTable.length; ++i) { + mLookupTable.add(lookupTable[i]); + } + mContentTable = new ArrayList<Integer>(contentTable.length); + for (int i = 0; i < contentTable.length; ++i) { + mContentTable.add(contentTable[i]); + } + } + + /** + * Converts an byte array to an int array considering each set of 4 bytes is an int stored in + * big-endian. + * The length of byteArray must be a multiple of four. + * Otherwise, IndexOutOfBoundsException will be raised. + */ + @UsedForTesting + private static void convertByteArrayToIntegerArray(final byte[] byteArray, + final ArrayList<Integer> integerArray) { + for (int i = 0; i < byteArray.length; i += 4) { + int value = 0; + for (int j = i; j < i + 4; ++j) { + value <<= 8; + value |= byteArray[j] & 0xFF; + } + integerArray.add(value); + } + } + + @UsedForTesting + public SparseTable(final byte[] lookupTable, final byte[] contentTable, final int blockSize) { + mBlockSize = blockSize; + mLookupTable = new ArrayList<Integer>(lookupTable.length / 4); + mContentTable = new ArrayList<Integer>(contentTable.length / 4); + convertByteArrayToIntegerArray(lookupTable, mLookupTable); + convertByteArrayToIntegerArray(contentTable, mContentTable); + } + + @UsedForTesting + public int get(final int index) { + if (index < 0 || index / mBlockSize >= mLookupTable.size() + || mLookupTable.get(index / mBlockSize) == NOT_EXIST) { + return NOT_EXIST; + } + return mContentTable.get(mLookupTable.get(index / mBlockSize) + (index % mBlockSize)); + } + + @UsedForTesting + public void set(final int index, final int value) { + if (mLookupTable.get(index / mBlockSize) == NOT_EXIST) { + mLookupTable.set(index / mBlockSize, mContentTable.size()); + for (int i = 0; i < mBlockSize; ++i) { + mContentTable.add(NOT_EXIST); + } + } + mContentTable.set(mLookupTable.get(index / mBlockSize) + (index % mBlockSize), value); + } + + public void remove(final int index) { + set(index, NOT_EXIST); + } + + @UsedForTesting + public int size() { + return mLookupTable.size() * mBlockSize; + } + + @UsedForTesting + /* package */ int getContentTableSize() { + return mContentTable.size(); + } + + @UsedForTesting + /* package */ int getLookupTableSize() { + return mLookupTable.size(); + } + + public boolean contains(final int index) { + return get(index) != NOT_EXIST; + } + + @UsedForTesting + public void write(final OutputStream lookupOutStream, final OutputStream contentOutStream) + throws IOException { + for (final int index : mLookupTable) { + BinaryDictEncoderUtils.writeUIntToStream(lookupOutStream, index, 4); + } + + for (final int index : mContentTable) { + BinaryDictEncoderUtils.writeUIntToStream(contentOutStream, index, 4); + } + } +} diff --git a/java/src/com/android/inputmethod/latin/makedict/Ver4DictDecoder.java b/java/src/com/android/inputmethod/latin/makedict/Ver4DictDecoder.java index 36c5a2720..4c8ff8ea4 100644 --- a/java/src/com/android/inputmethod/latin/makedict/Ver4DictDecoder.java +++ b/java/src/com/android/inputmethod/latin/makedict/Ver4DictDecoder.java @@ -41,11 +41,13 @@ public class Ver4DictDecoder extends DictDecoder { private static final int FILETYPE_TRIE = 1; private static final int FILETYPE_FREQUENCY = 2; + private static final int FILETYPE_TERMINAL_ADDRESS_TABLE = 3; private final File mDictDirectory; private final DictionaryBufferFactory mBufferFactory; private DictBuffer mDictBuffer; private DictBuffer mFrequencyBuffer; + private DictBuffer mTerminalAddressTableBuffer; @UsedForTesting /* package */ Ver4DictDecoder(final File dictDirectory, final int factoryFlag) { @@ -77,6 +79,9 @@ public class Ver4DictDecoder extends DictDecoder { } else if (fileType == FILETYPE_FREQUENCY) { return new File(mDictDirectory, mDictDirectory.getName() + FormatSpec.FREQ_FILE_EXTENSION); + } else if (fileType == FILETYPE_TERMINAL_ADDRESS_TABLE) { + return new File(mDictDirectory, + mDictDirectory.getName() + FormatSpec.TERMINAL_ADDRESS_TABLE_FILE_EXTENSION); } else { throw new RuntimeException("Unsupported kind of file : " + fileType); } @@ -87,6 +92,8 @@ public class Ver4DictDecoder extends DictDecoder { final String filename = mDictDirectory.getName(); mDictBuffer = mBufferFactory.getDictionaryBuffer(getFile(FILETYPE_TRIE)); mFrequencyBuffer = mBufferFactory.getDictionaryBuffer(getFile(FILETYPE_FREQUENCY)); + mTerminalAddressTableBuffer = mBufferFactory.getDictionaryBuffer( + getFile(FILETYPE_TERMINAL_ADDRESS_TABLE)); } @Override diff --git a/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java b/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java index 75b75ae2e..4fb89671f 100644 --- a/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java +++ b/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java @@ -41,10 +41,11 @@ import java.util.Iterator; public class Ver4DictEncoder implements DictEncoder { private final File mDictPlacedDir; private byte[] mTrieBuf; - private byte[] mFreqBuf; private int mTriePos; + private int mHeaderSize; private OutputStream mTrieOutStream; private OutputStream mFreqOutStream; + private OutputStream mTerminalAddressTableOutStream; @UsedForTesting public Ver4DictEncoder(final File dictPlacedDir) { @@ -58,14 +59,18 @@ public class Ver4DictEncoder implements DictEncoder { final File mDictDir = new File(mDictPlacedDir, filename); final File trieFile = new File(mDictDir, filename + FormatSpec.TRIE_FILE_EXTENSION); final File freqFile = new File(mDictDir, filename + FormatSpec.FREQ_FILE_EXTENSION); + final File terminalAddressTableFile = new File(mDictDir, + filename + FormatSpec.TERMINAL_ADDRESS_TABLE_FILE_EXTENSION); if (!mDictDir.isDirectory()) { if (mDictDir.exists()) mDictDir.delete(); mDictDir.mkdirs(); } if (!trieFile.exists()) trieFile.createNewFile(); if (!freqFile.exists()) freqFile.createNewFile(); + if (!terminalAddressTableFile.exists()) terminalAddressTableFile.createNewFile(); mTrieOutStream = new FileOutputStream(trieFile); mFreqOutStream = new FileOutputStream(freqFile); + mTerminalAddressTableOutStream = new FileOutputStream(terminalAddressTableFile); } private void close() throws IOException { @@ -76,9 +81,13 @@ public class Ver4DictEncoder implements DictEncoder { if (mFreqOutStream != null) { mFreqOutStream.close(); } + if (mTerminalAddressTableOutStream != null) { + mTerminalAddressTableOutStream.close(); + } } finally { mTrieOutStream = null; mFreqOutStream = null; + mTerminalAddressTableOutStream = null; } } @@ -97,7 +106,8 @@ public class Ver4DictEncoder implements DictEncoder { openStreams(formatOptions, dict.mOptions); } - BinaryDictEncoderUtils.writeDictionaryHeader(mTrieOutStream, dict, formatOptions); + mHeaderSize = BinaryDictEncoderUtils.writeDictionaryHeader(mTrieOutStream, dict, + formatOptions); MakedictLog.i("Flattening the tree..."); ArrayList<PtNodeArray> flatNodes = BinaryDictEncoderUtils.flattenTree(dict.mRootNodeArray); @@ -112,10 +122,11 @@ public class Ver4DictEncoder implements DictEncoder { BinaryDictEncoderUtils.computeAddresses(dict, flatNodes, formatOptions); if (MakedictLog.DBG) BinaryDictEncoderUtils.checkFlatPtNodeArrayList(flatNodes); + writeTerminalData(flatNodes, terminalCount); + final PtNodeArray lastNodeArray = flatNodes.get(flatNodes.size() - 1); final int bufferSize = lastNodeArray.mCachedAddressAfterUpdate + lastNodeArray.mCachedSize; mTrieBuf = new byte[bufferSize]; - mFreqBuf = new byte[terminalCount * FormatSpec.FREQUENCY_AND_FLAGS_SIZE]; MakedictLog.i("Writing file..."); for (PtNodeArray nodeArray : flatNodes) { @@ -126,7 +137,6 @@ public class Ver4DictEncoder implements DictEncoder { MakedictLog.i("has " + terminalCount + " terminals."); } mTrieOutStream.write(mTrieBuf); - mFreqOutStream.write(mFreqBuf); MakedictLog.i("Done"); close(); @@ -185,12 +195,6 @@ public class Ver4DictEncoder implements DictEncoder { FormatSpec.PTNODE_TERMINAL_ID_SIZE); } - private void writeFrequency(final int frequency, final int terminalId) { - final int freqPos = terminalId * FormatSpec.FREQUENCY_AND_FLAGS_SIZE; - BinaryDictEncoderUtils.writeUIntToBuffer(mFreqBuf, freqPos, frequency, - FormatSpec.FREQUENCY_AND_FLAGS_SIZE); - } - private void writeChildrenPosition(PtNode ptNode, FormatOptions formatOptions) { final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode, formatOptions); if (formatOptions.mSupportsDynamicUpdate) { @@ -260,10 +264,31 @@ public class Ver4DictEncoder implements DictEncoder { writeCharacters(ptNode.mChars, ptNode.hasSeveralChars()); if (ptNode.isTerminal()) { writeTerminalId(ptNode.mTerminalId); - writeFrequency(ptNode.mFrequency, ptNode.mTerminalId); } writeChildrenPosition(ptNode, formatOptions); writeShortcuts(ptNode.mShortcutTargets); writeBigrams(ptNode.mBigrams, dict); } + + private void writeTerminalData(final ArrayList<PtNodeArray> flatNodes, + final int terminalCount) throws IOException { + final byte[] freqBuf = new byte[terminalCount * FormatSpec.FREQUENCY_AND_FLAGS_SIZE]; + final byte[] terminalAddressTableBuf = + new byte[terminalCount * FormatSpec.TERMINAL_ADDRESS_TABLE_ADDRESS_SIZE]; + for (final PtNodeArray nodeArray : flatNodes) { + for (final PtNode ptNode : nodeArray.mData) { + if (ptNode.isTerminal()) { + BinaryDictEncoderUtils.writeUIntToBuffer(freqBuf, + ptNode.mTerminalId * FormatSpec.FREQUENCY_AND_FLAGS_SIZE, + ptNode.mFrequency, FormatSpec.FREQUENCY_AND_FLAGS_SIZE); + BinaryDictEncoderUtils.writeUIntToBuffer(terminalAddressTableBuf, + ptNode.mTerminalId * FormatSpec.TERMINAL_ADDRESS_TABLE_ADDRESS_SIZE, + ptNode.mCachedAddressAfterUpdate + mHeaderSize, + FormatSpec.TERMINAL_ADDRESS_TABLE_ADDRESS_SIZE); + } + } + } + mFreqOutStream.write(freqBuf); + mTerminalAddressTableOutStream.write(terminalAddressTableBuf); + } } diff --git a/java/src/com/android/inputmethod/latin/personalization/DynamicPredictionDictionaryBase.java b/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java index 075d7e3c3..66517a800 100644 --- a/java/src/com/android/inputmethod/latin/personalization/DynamicPredictionDictionaryBase.java +++ b/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java @@ -34,12 +34,15 @@ import com.android.inputmethod.latin.utils.UserHistoryDictIOUtils.OnAddWordListe import java.io.File; import java.io.IOException; import java.util.ArrayList; +import java.util.HashMap; +import java.util.Map; /** - * This class is a base class of a dictionary for the personalized prediction language model. + * This class is a base class of a dictionary that supports decaying for the personalized language + * model. */ -public abstract class DynamicPredictionDictionaryBase extends ExpandableBinaryDictionary { - private static final String TAG = DynamicPredictionDictionaryBase.class.getSimpleName(); +public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableBinaryDictionary { + private static final String TAG = DecayingExpandableBinaryDictionaryBase.class.getSimpleName(); public static final boolean DBG_SAVE_RESTORE = false; private static final boolean DBG_STRESS_TEST = false; private static final boolean PROFILE_SAVE_RESTORE = LatinImeLogger.sDBG; @@ -60,8 +63,9 @@ public abstract class DynamicPredictionDictionaryBase extends ExpandableBinaryDi // Should always be false except when we use this class for test @UsedForTesting boolean mIsTest = false; - /* package */ DynamicPredictionDictionaryBase(final Context context, final String locale, - final SharedPreferences sp, final String dictionaryType, final String fileName) { + /* package */ DecayingExpandableBinaryDictionaryBase(final Context context, + final String locale, final SharedPreferences sp, final String dictionaryType, + final String fileName) { super(context, fileName, dictionaryType, true); mLocale = locale; mFileName = fileName; @@ -84,6 +88,16 @@ public abstract class DynamicPredictionDictionaryBase extends ExpandableBinaryDi } @Override + protected Map<String, String> getHeaderAttributeMap() { + HashMap<String, String> attributeMap = new HashMap<String, String>(); + attributeMap.put(FormatSpec.FileHeader.SUPPORTS_DYNAMIC_UPDATE_ATTRIBUTE, + FormatSpec.FileHeader.ATTRIBUTE_VALUE_TRUE); + attributeMap.put(FormatSpec.FileHeader.USES_FORGETTING_CURVE_ATTRIBUTE, + FormatSpec.FileHeader.ATTRIBUTE_VALUE_TRUE); + return attributeMap; + } + + @Override protected boolean hasContentChanged() { return false; } diff --git a/java/src/com/android/inputmethod/latin/personalization/PersonalizationDictionaryUpdateSession.java b/java/src/com/android/inputmethod/latin/personalization/PersonalizationDictionaryUpdateSession.java index ab3de801c..c616a296c 100644 --- a/java/src/com/android/inputmethod/latin/personalization/PersonalizationDictionaryUpdateSession.java +++ b/java/src/com/android/inputmethod/latin/personalization/PersonalizationDictionaryUpdateSession.java @@ -46,7 +46,7 @@ public abstract class PersonalizationDictionaryUpdateSession { // TODO: Use a dynamic binary dictionary instead public WeakReference<PersonalizationDictionary> mDictionary; - public WeakReference<DynamicPredictionDictionaryBase> mPredictionDictionary; + public WeakReference<DecayingExpandableBinaryDictionaryBase> mPredictionDictionary; public final String mSystemLocale; public PersonalizationDictionaryUpdateSession(String locale) { mSystemLocale = locale; @@ -60,15 +60,16 @@ public abstract class PersonalizationDictionaryUpdateSession { mDictionary = new WeakReference<PersonalizationDictionary>(dictionary); } - public void setPredictionDictionary(DynamicPredictionDictionaryBase dictionary) { - mPredictionDictionary = new WeakReference<DynamicPredictionDictionaryBase>(dictionary); + public void setPredictionDictionary(DecayingExpandableBinaryDictionaryBase dictionary) { + mPredictionDictionary = + new WeakReference<DecayingExpandableBinaryDictionaryBase>(dictionary); } protected PersonalizationDictionary getDictionary() { return mDictionary == null ? null : mDictionary.get(); } - protected DynamicPredictionDictionaryBase getPredictionDictionary() { + protected DecayingExpandableBinaryDictionaryBase getPredictionDictionary() { return mPredictionDictionary == null ? null : mPredictionDictionary.get(); } @@ -81,7 +82,7 @@ public abstract class PersonalizationDictionaryUpdateSession { } private void unsetPredictionDictionary() { - final DynamicPredictionDictionaryBase dictionary = getPredictionDictionary(); + final DecayingExpandableBinaryDictionaryBase dictionary = getPredictionDictionary(); if (dictionary == null) { return; } @@ -89,7 +90,7 @@ public abstract class PersonalizationDictionaryUpdateSession { } public void clearAndFlushPredictionDictionary(Context context) { - final DynamicPredictionDictionaryBase dictionary = getPredictionDictionary(); + final DecayingExpandableBinaryDictionaryBase dictionary = getPredictionDictionary(); if (dictionary == null) { return; } @@ -105,7 +106,7 @@ public abstract class PersonalizationDictionaryUpdateSession { // TODO: Support multi locale to add bigram public void addBigramToPersonalizationDictionary(String word0, String word1, boolean isValid, int frequency) { - final DynamicPredictionDictionaryBase dictionary = getPredictionDictionary(); + final DecayingExpandableBinaryDictionaryBase dictionary = getPredictionDictionary(); if (dictionary == null) { return; } @@ -116,7 +117,7 @@ public abstract class PersonalizationDictionaryUpdateSession { // TODO: Support multi locale to add bigram public void addBigramsToPersonalizationDictionary( final ArrayList<PersonalizationLanguageModelParam> lmParams) { - final DynamicPredictionDictionaryBase dictionary = getPredictionDictionary(); + final DecayingExpandableBinaryDictionaryBase dictionary = getPredictionDictionary(); if (dictionary == null) { return; } diff --git a/java/src/com/android/inputmethod/latin/personalization/PersonalizationPredictionDictionary.java b/java/src/com/android/inputmethod/latin/personalization/PersonalizationPredictionDictionary.java index e80953c05..432954453 100644 --- a/java/src/com/android/inputmethod/latin/personalization/PersonalizationPredictionDictionary.java +++ b/java/src/com/android/inputmethod/latin/personalization/PersonalizationPredictionDictionary.java @@ -22,7 +22,7 @@ import com.android.inputmethod.latin.ExpandableBinaryDictionary; import android.content.Context; import android.content.SharedPreferences; -public class PersonalizationPredictionDictionary extends DynamicPredictionDictionaryBase { +public class PersonalizationPredictionDictionary extends DecayingExpandableBinaryDictionaryBase { private static final String NAME = PersonalizationPredictionDictionary.class.getSimpleName(); /* package */ PersonalizationPredictionDictionary(final Context context, final String locale, diff --git a/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryBigramList.java b/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryBigramList.java index 4c1803bdf..55a90ee51 100644 --- a/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryBigramList.java +++ b/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryBigramList.java @@ -54,7 +54,7 @@ public final class UserHistoryDictionaryBigramList { * Called when loaded from the SQL DB. */ public void addBigram(String word1, String word2, byte fcValue) { - if (DynamicPredictionDictionaryBase.DBG_SAVE_RESTORE) { + if (DecayingExpandableBinaryDictionaryBase.DBG_SAVE_RESTORE) { Log.d(TAG, "--- add bigram: " + word1 + ", " + word2 + ", " + fcValue); } final HashMap<String, Byte> map; @@ -74,7 +74,7 @@ public final class UserHistoryDictionaryBigramList { * Called when inserted to the SQL DB. */ public void updateBigram(String word1, String word2, byte fcValue) { - if (DynamicPredictionDictionaryBase.DBG_SAVE_RESTORE) { + if (DecayingExpandableBinaryDictionaryBase.DBG_SAVE_RESTORE) { Log.d(TAG, "--- update bigram: " + word1 + ", " + word2 + ", " + fcValue); } final HashMap<String, Byte> map; diff --git a/java/src/com/android/inputmethod/latin/personalization/UserHistoryPredictionDictionary.java b/java/src/com/android/inputmethod/latin/personalization/UserHistoryPredictionDictionary.java index b140c919b..38e308a4e 100644 --- a/java/src/com/android/inputmethod/latin/personalization/UserHistoryPredictionDictionary.java +++ b/java/src/com/android/inputmethod/latin/personalization/UserHistoryPredictionDictionary.java @@ -26,7 +26,7 @@ import android.content.SharedPreferences; * Locally gathers stats about the words user types and various other signals like auto-correction * cancellation or manual picks. This allows the keyboard to adapt to the typist over time. */ -public class UserHistoryPredictionDictionary extends DynamicPredictionDictionaryBase { +public class UserHistoryPredictionDictionary extends DecayingExpandableBinaryDictionaryBase { /* package for tests */ static final String NAME = UserHistoryPredictionDictionary.class.getSimpleName(); /* package */ UserHistoryPredictionDictionary(final Context context, final String locale, diff --git a/java/src/com/android/inputmethod/latin/utils/SpannableStringUtils.java b/java/src/com/android/inputmethod/latin/utils/SpannableStringUtils.java new file mode 100644 index 000000000..b51fd9377 --- /dev/null +++ b/java/src/com/android/inputmethod/latin/utils/SpannableStringUtils.java @@ -0,0 +1,110 @@ +/* + * Copyright (C) 2013 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. + */ + +package com.android.inputmethod.latin.utils; + +import android.text.Spannable; +import android.text.SpannableString; +import android.text.Spanned; +import android.text.SpannedString; +import android.text.TextUtils; +import android.text.style.SuggestionSpan; + +public final class SpannableStringUtils { + /** + * Copies the spans from the region <code>start...end</code> in + * <code>source</code> to the region + * <code>destoff...destoff+end-start</code> in <code>dest</code>. + * Spans in <code>source</code> that begin before <code>start</code> + * or end after <code>end</code> but overlap this range are trimmed + * as if they began at <code>start</code> or ended at <code>end</code>. + * Only SuggestionSpans that don't have the SPAN_PARAGRAPH span are copied. + * + * This code is almost entirely taken from {@link TextUtils#copySpansFrom}, except for the + * kind of span that is copied. + * + * @throws IndexOutOfBoundsException if any of the copied spans + * are out of range in <code>dest</code>. + */ + public static void copyNonParagraphSuggestionSpansFrom(Spanned source, int start, int end, + Spannable dest, int destoff) { + Object[] spans = source.getSpans(start, end, SuggestionSpan.class); + + for (int i = 0; i < spans.length; i++) { + int fl = source.getSpanFlags(spans[i]); + if (0 != (fl & Spannable.SPAN_PARAGRAPH)) continue; + + int st = source.getSpanStart(spans[i]); + int en = source.getSpanEnd(spans[i]); + + if (st < start) + st = start; + if (en > end) + en = end; + + dest.setSpan(spans[i], st - start + destoff, en - start + destoff, + fl); + } + } + + /** + * Returns a CharSequence concatenating the specified CharSequences, retaining their + * SuggestionSpans that don't have the PARAGRAPH flag, but not other spans. + * + * This code is almost entirely taken from {@link TextUtils#concat(CharSequence...)}, except + * it calls copyNonParagraphSuggestionSpansFrom instead of {@link TextUtils#copySpansFrom}. + */ + public static CharSequence concatWithNonParagraphSuggestionSpansOnly(CharSequence... text) { + if (text.length == 0) { + return ""; + } + + if (text.length == 1) { + return text[0]; + } + + boolean spanned = false; + for (int i = 0; i < text.length; i++) { + if (text[i] instanceof Spanned) { + spanned = true; + break; + } + } + + StringBuilder sb = new StringBuilder(); + for (int i = 0; i < text.length; i++) { + sb.append(text[i]); + } + + if (!spanned) { + return sb.toString(); + } + + SpannableString ss = new SpannableString(sb); + int off = 0; + for (int i = 0; i < text.length; i++) { + int len = text[i].length(); + + if (text[i] instanceof Spanned) { + copyNonParagraphSuggestionSpansFrom((Spanned) text[i], 0, len, ss, off); + } + + off += len; + } + + return new SpannedString(ss); + } +} diff --git a/java/src/com/android/inputmethod/latin/utils/StringUtils.java b/java/src/com/android/inputmethod/latin/utils/StringUtils.java index 327780ad0..121aecf0f 100644 --- a/java/src/com/android/inputmethod/latin/utils/StringUtils.java +++ b/java/src/com/android/inputmethod/latin/utils/StringUtils.java @@ -20,12 +20,7 @@ import com.android.inputmethod.annotations.UsedForTesting; import com.android.inputmethod.latin.Constants; import com.android.inputmethod.latin.settings.SettingsValues; -import android.text.Spannable; -import android.text.SpannableString; -import android.text.Spanned; -import android.text.SpannedString; import android.text.TextUtils; -import android.text.style.SuggestionSpan; import android.util.JsonReader; import android.util.JsonWriter; import android.util.Log; @@ -467,88 +462,4 @@ public final class StringUtils { } return ""; } - - /** - * Copies the spans from the region <code>start...end</code> in - * <code>source</code> to the region - * <code>destoff...destoff+end-start</code> in <code>dest</code>. - * Spans in <code>source</code> that begin before <code>start</code> - * or end after <code>end</code> but overlap this range are trimmed - * as if they began at <code>start</code> or ended at <code>end</code>. - * Only SuggestionSpans that don't have the SPAN_PARAGRAPH span are copied. - * - * This code is almost entirely taken from {@link TextUtils#copySpansFrom}, except for the - * kind of span that is copied. - * - * @throws IndexOutOfBoundsException if any of the copied spans - * are out of range in <code>dest</code>. - */ - public static void copyNonParagraphSuggestionSpansFrom(Spanned source, int start, int end, - Spannable dest, int destoff) { - Object[] spans = source.getSpans(start, end, SuggestionSpan.class); - - for (int i = 0; i < spans.length; i++) { - int fl = source.getSpanFlags(spans[i]); - if (0 != (fl & Spannable.SPAN_PARAGRAPH)) continue; - - int st = source.getSpanStart(spans[i]); - int en = source.getSpanEnd(spans[i]); - - if (st < start) - st = start; - if (en > end) - en = end; - - dest.setSpan(spans[i], st - start + destoff, en - start + destoff, - fl); - } - } - - /** - * Returns a CharSequence concatenating the specified CharSequences, retaining their - * SuggestionSpans that don't have the PARAGRAPH flag, but not other spans. - * - * This code is almost entirely taken from {@link TextUtils#concat(CharSequence...)}, except - * it calls copyNonParagraphSuggestionSpansFrom instead of {@link TextUtils#copySpansFrom}. - */ - public static CharSequence concatWithNonParagraphSuggestionSpansOnly(CharSequence... text) { - if (text.length == 0) { - return ""; - } - - if (text.length == 1) { - return text[0]; - } - - boolean spanned = false; - for (int i = 0; i < text.length; i++) { - if (text[i] instanceof Spanned) { - spanned = true; - break; - } - } - - StringBuilder sb = new StringBuilder(); - for (int i = 0; i < text.length; i++) { - sb.append(text[i]); - } - - if (!spanned) { - return sb.toString(); - } - - SpannableString ss = new SpannableString(sb); - int off = 0; - for (int i = 0; i < text.length; i++) { - int len = text[i].length(); - - if (text[i] instanceof Spanned) { - copyNonParagraphSuggestionSpansFrom((Spanned) text[i], 0, len, ss, off); - } - - off += len; - } - - return new SpannedString(ss); - } } |