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Add Ver4DictEncoder. 

Bug: 9618601
Change-Id: I161d2845906f07c1251deb8005fdffe49c5b7940
main
Yuichiro Hanada 2013-09-10 17:16:32 +09:00
parent 610f3eb4ec
commit a141d8ef7d
6 changed files with 343 additions and 44 deletions
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19
java/src/com/android/inputmethod/latin/makedict/BinaryDictEncoderUtils.java
View File

@ -126,8 +126,14 @@ public class BinaryDictEncoderUtils {
*/
private static int getPtNodeMaximumSize(final PtNode ptNode, final FormatOptions options) {
int size = getNodeHeaderSize(ptNode, options);
// If terminal, one byte for the frequency
if (ptNode.isTerminal()) size += FormatSpec.PTNODE_FREQUENCY_SIZE;
if (ptNode.isTerminal()) {
// If terminal, one byte for the frequency or four bytes for the terminal id.
if (options.mHasTerminalId) {
size += FormatSpec.PTNODE_TERMINAL_ID_SIZE;
} else {
size += FormatSpec.PTNODE_FREQUENCY_SIZE;
}
}
size += FormatSpec.PTNODE_MAX_ADDRESS_SIZE; // For children address
size += getShortcutListSize(ptNode.mShortcutTargets);
if (null != ptNode.mBigrams) {
@ -345,7 +351,13 @@ public class BinaryDictEncoderUtils {
changed = true;
}
int nodeSize = getNodeHeaderSize(ptNode, formatOptions);
if (ptNode.isTerminal()) nodeSize += FormatSpec.PTNODE_FREQUENCY_SIZE;
if (ptNode.isTerminal()) {
if (formatOptions.mHasTerminalId) {
nodeSize += FormatSpec.PTNODE_TERMINAL_ID_SIZE;
} else {
nodeSize += FormatSpec.PTNODE_FREQUENCY_SIZE;
}
}
if (formatOptions.mSupportsDynamicUpdate) {
nodeSize += FormatSpec.SIGNED_CHILDREN_ADDRESS_SIZE;
} else if (null != ptNode.mChildren) {
@ -787,7 +799,6 @@ public class BinaryDictEncoderUtils {
+ FormatSpec.MAX_TERMINAL_FREQUENCY
+ " : " + ptNode.mFrequency);
}
dictEncoder.writePtNode(ptNode, parentPosition, formatOptions, dict);
}
if (formatOptions.mSupportsDynamicUpdate) {

14
java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
View File

@ -198,9 +198,12 @@ public final class FormatSpec {
public static final int MAGIC_NUMBER = 0x9BC13AFE;
static final int MINIMUM_SUPPORTED_VERSION = 2;
static final int MAXIMUM_SUPPORTED_VERSION = 3;
static final int MAXIMUM_SUPPORTED_VERSION = 4;
static final int NOT_A_VERSION_NUMBER = -1;
static final int FIRST_VERSION_WITH_DYNAMIC_UPDATE = 3;
static final int FIRST_VERSION_WITH_TERMINAL_ID = 4;
static final int VERSION3 = 3;
static final int VERSION4 = 4;
// These options need to be the same numeric values as the one in the native reading code.
static final int GERMAN_UMLAUT_PROCESSING_FLAG = 0x1;
@ -251,11 +254,17 @@ public final class FormatSpec {
static final int PTNODE_TERMINATOR_SIZE = 1;
static final int PTNODE_FLAGS_SIZE = 1;
static final int PTNODE_FREQUENCY_SIZE = 1;
static final int PTNODE_TERMINAL_ID_SIZE = 4;
static final int PTNODE_MAX_ADDRESS_SIZE = 3;
static final int PTNODE_ATTRIBUTE_FLAGS_SIZE = 1;
static final int PTNODE_ATTRIBUTE_MAX_ADDRESS_SIZE = 3;
static final int PTNODE_SHORTCUT_LIST_SIZE_SIZE = 2;
// These values are used only by version 4 or later.
static final String TRIE_FILE_EXTENSION = ".trie";
static final String FREQ_FILE_EXTENSION = ".freq";
static final int FREQUENCY_AND_FLAGS_SIZE = 2;
static final int NO_CHILDREN_ADDRESS = Integer.MIN_VALUE;
static final int NO_PARENT_ADDRESS = 0;
static final int NO_FORWARD_LINK_ADDRESS = 0;
@ -264,6 +273,7 @@ public final class FormatSpec {
static final int MAX_PTNODES_FOR_ONE_BYTE_PTNODE_COUNT = 0x7F; // 127
static final int MAX_PTNODES_IN_A_PT_NODE_ARRAY = 0x7FFF; // 32767
static final int MAX_BIGRAMS_IN_A_PTNODE = 10000;
static final int MAX_SHORTCUT_LIST_SIZE_IN_A_PTNODE = 0xFFFF;
static final int MAX_TERMINAL_FREQUENCY = 255;
static final int MAX_BIGRAM_FREQUENCY = 15;
@ -287,6 +297,7 @@ public final class FormatSpec {
public static final class FormatOptions {
public final int mVersion;
public final boolean mSupportsDynamicUpdate;
public final boolean mHasTerminalId;
@UsedForTesting
public FormatOptions(final int version) {
this(version, false);
@ -300,6 +311,7 @@ public final class FormatSpec {
+ FIRST_VERSION_WITH_DYNAMIC_UPDATE + " and ulterior.");
}
mSupportsDynamicUpdate = supportsDynamicUpdate;
mHasTerminalId = (version >= FIRST_VERSION_WITH_TERMINAL_ID);
}
}

6
java/src/com/android/inputmethod/latin/makedict/FusionDictionary.java
View File

@ -111,6 +111,7 @@ public final class FusionDictionary implements Iterable<Word> {
ArrayList<WeightedString> mShortcutTargets;
ArrayList<WeightedString> mBigrams;
int mFrequency; // NOT_A_TERMINAL == mFrequency indicates this is not a terminal.
int mTerminalId; // NOT_A_TERMINAL == mTerminalId indicates this is not a terminal.
PtNodeArray mChildren;
boolean mIsNotAWord; // Only a shortcut
boolean mIsBlacklistEntry;
@ -129,6 +130,7 @@ public final class FusionDictionary implements Iterable<Word> {
final boolean isNotAWord, final boolean isBlacklistEntry) {
mChars = chars;
mFrequency = frequency;
mTerminalId = frequency;
mShortcutTargets = shortcutTargets;
mBigrams = bigrams;
mChildren = null;
@ -156,6 +158,10 @@ public final class FusionDictionary implements Iterable<Word> {
mChildren.mData.add(n);
}
public int getTerminalId() {
return mTerminalId;
}
public boolean isTerminal() {
return NOT_A_TERMINAL != mFrequency;
}

4
java/src/com/android/inputmethod/latin/makedict/Ver3DictEncoder.java
View File

@ -68,7 +68,7 @@ public class Ver3DictEncoder implements DictEncoder {
@Override
public void writeDictionary(final FusionDictionary dict, final FormatOptions formatOptions)
throws IOException, UnsupportedFormatException {
if (formatOptions.mVersion > 3) {
if (formatOptions.mVersion > FormatSpec.VERSION3) {
throw new UnsupportedFormatException(
"The given format options has wrong version number : "
+ formatOptions.mVersion);
@ -200,7 +200,7 @@ public class Ver3DictEncoder implements DictEncoder {
mPosition += shortcutShift;
}
final int shortcutByteSize = mPosition - indexOfShortcutByteSize;
if (shortcutByteSize > 0xFFFF) {
if (shortcutByteSize > FormatSpec.MAX_SHORTCUT_LIST_SIZE_IN_A_PTNODE) {
throw new RuntimeException("Shortcut list too large");
}
BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, indexOfShortcutByteSize, shortcutByteSize,

269
java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java Normal file
View File

@ -0,0 +1,269 @@
/*
/*
* 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 com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.CharEncoding;
import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
import com.android.inputmethod.latin.makedict.FusionDictionary.DictionaryOptions;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray;
import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;
/**
* An implementation of DictEncoder for version 4 binary dictionary.
*/
@UsedForTesting
public class Ver4DictEncoder implements DictEncoder {
private final File mDictPlacedDir;
private byte[] mTrieBuf;
private byte[] mFreqBuf;
private int mTriePos;
private OutputStream mTrieOutStream;
private OutputStream mFreqOutStream;
@UsedForTesting
public Ver4DictEncoder(final File dictPlacedDir) {
mDictPlacedDir = dictPlacedDir;
}
private void openStreams(final FormatOptions formatOptions, final DictionaryOptions dictOptions)
throws FileNotFoundException, IOException {
final FileHeader header = new FileHeader(0, dictOptions, formatOptions);
final String filename = header.getId() + "." + header.getVersion();
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);
if (!mDictDir.isDirectory()) {
if (mDictDir.exists()) mDictDir.delete();
mDictDir.mkdirs();
}
if (!trieFile.exists()) trieFile.createNewFile();
if (!freqFile.exists()) freqFile.createNewFile();
mTrieOutStream = new FileOutputStream(trieFile);
mFreqOutStream = new FileOutputStream(freqFile);
}
private void close() throws IOException {
try {
if (mTrieOutStream != null) {
mTrieOutStream.close();
}
if (mFreqOutStream != null) {
mFreqOutStream.close();
}
} finally {
mTrieOutStream = null;
mFreqOutStream = null;
}
}
@Override
public void writeDictionary(final FusionDictionary dict, final FormatOptions formatOptions)
throws IOException, UnsupportedFormatException {
if (formatOptions.mVersion != FormatSpec.VERSION4) {
throw new UnsupportedFormatException("File header has a wrong version number : "
+ formatOptions.mVersion);
}
if (!mDictPlacedDir.isDirectory()) {
throw new UnsupportedFormatException("Given path is not a directory.");
}
if (mTrieOutStream == null) {
openStreams(formatOptions, dict.mOptions);
}
BinaryDictEncoderUtils.writeDictionaryHeader(mTrieOutStream, dict, formatOptions);
MakedictLog.i("Flattening the tree...");
ArrayList<PtNodeArray> flatNodes = BinaryDictEncoderUtils.flattenTree(dict.mRootNodeArray);
int terminalCount = 0;
for (final PtNodeArray array : flatNodes) {
for (final PtNode node : array.mData) {
if (node.isTerminal()) node.mTerminalId = terminalCount++;
}
}
MakedictLog.i("Computing addresses...");
BinaryDictEncoderUtils.computeAddresses(dict, flatNodes, formatOptions);
if (MakedictLog.DBG) BinaryDictEncoderUtils.checkFlatPtNodeArrayList(flatNodes);
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) {
BinaryDictEncoderUtils.writePlacedPtNodeArray(dict, this, nodeArray, formatOptions);
}
if (MakedictLog.DBG) {
BinaryDictEncoderUtils.showStatistics(flatNodes);
MakedictLog.i("has " + terminalCount + " terminals.");
}
mTrieOutStream.write(mTrieBuf);
mFreqOutStream.write(mFreqBuf);
MakedictLog.i("Done");
close();
}
@Override
public void setPosition(int position) {
if (mTrieBuf == null || position < 0 || position >- mTrieBuf.length) return;
mTriePos = position;
}
@Override
public int getPosition() {
return mTriePos;
}
@Override
public void writePtNodeCount(int ptNodeCount) {
final int countSize = BinaryDictIOUtils.getPtNodeCountSize(ptNodeCount);
// ptNodeCount must fit on one byte or two bytes.
// Please see comments in FormatSpec
if (countSize != 1 && countSize != 2) {
throw new RuntimeException("Strange size from getPtNodeCountSize : " + countSize);
}
mTriePos = BinaryDictEncoderUtils.writeUIntToBuffer(mTrieBuf, mTriePos, ptNodeCount,
countSize);
}
private void writePtNodeFlags(final PtNode ptNode, final int parentAddress,
final FormatOptions formatOptions) {
final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode, formatOptions);
mTriePos = BinaryDictEncoderUtils.writeUIntToBuffer(mTrieBuf, mTriePos,
BinaryDictEncoderUtils.makePtNodeFlags(ptNode, mTriePos, childrenPos,
formatOptions),
FormatSpec.PTNODE_FLAGS_SIZE);
}
private void writeParentPosition(int parentPos, final PtNode ptNode,
final FormatOptions formatOptions) {
if (parentPos != FormatSpec.NO_PARENT_ADDRESS) {
parentPos -= ptNode.mCachedAddressAfterUpdate;
}
mTriePos = BinaryDictEncoderUtils.writeParentAddress(mTrieBuf, mTriePos, parentPos,
formatOptions);
}
private void writeCharacters(final int[] characters, final boolean hasSeveralChars) {
mTriePos = CharEncoding.writeCharArray(characters, mTrieBuf, mTriePos);
if (hasSeveralChars) {
mTrieBuf[mTriePos++] = FormatSpec.PTNODE_CHARACTERS_TERMINATOR;
}
}
private void writeTerminalId(final int terminalId) {
mTriePos = BinaryDictEncoderUtils.writeUIntToBuffer(mTrieBuf, mTriePos, terminalId,
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) {
mTriePos += BinaryDictEncoderUtils.writeSignedChildrenPosition(mTrieBuf,
mTriePos, childrenPos);
} else {
mTriePos += BinaryDictEncoderUtils.writeChildrenPosition(mTrieBuf,
mTriePos, childrenPos);
}
}
private void writeShortcuts(ArrayList<WeightedString> shortcuts) {
if (null == shortcuts || shortcuts.isEmpty()) return;
final int indexOfShortcutByteSize = mTriePos;
mTriePos += FormatSpec.PTNODE_SHORTCUT_LIST_SIZE_SIZE;
final Iterator<WeightedString> shortcutIterator = shortcuts.iterator();
while (shortcutIterator.hasNext()) {
final WeightedString target = shortcutIterator.next();
final int shortcutFlags = BinaryDictEncoderUtils.makeShortcutFlags(
shortcutIterator.hasNext(),
target.mFrequency);
mTrieBuf[mTriePos++] = (byte)shortcutFlags;
final int shortcutShift = CharEncoding.writeString(mTrieBuf, mTriePos,
target.mWord);
mTriePos += shortcutShift;
}
final int shortcutByteSize = mTriePos - indexOfShortcutByteSize;
if (shortcutByteSize > FormatSpec.MAX_SHORTCUT_LIST_SIZE_IN_A_PTNODE) {
throw new RuntimeException("Shortcut list too large : " + shortcutByteSize);
}
BinaryDictEncoderUtils.writeUIntToBuffer(mTrieBuf, indexOfShortcutByteSize,
shortcutByteSize, FormatSpec.PTNODE_SHORTCUT_LIST_SIZE_SIZE);
}
private void writeBigrams(ArrayList<WeightedString> bigrams, FusionDictionary dict) {
if (bigrams == null) return;
final Iterator<WeightedString> bigramIterator = bigrams.iterator();
while (bigramIterator.hasNext()) {
final WeightedString bigram = bigramIterator.next();
final PtNode target =
FusionDictionary.findWordInTree(dict.mRootNodeArray, bigram.mWord);
final int addressOfBigram = target.mCachedAddressAfterUpdate;
final int unigramFrequencyForThisWord = target.mFrequency;
final int offset = addressOfBigram
- (mTriePos + FormatSpec.PTNODE_ATTRIBUTE_FLAGS_SIZE);
int bigramFlags = BinaryDictEncoderUtils.makeBigramFlags(bigramIterator.hasNext(),
offset, bigram.mFrequency, unigramFrequencyForThisWord, bigram.mWord);
mTrieBuf[mTriePos++] = (byte) bigramFlags;
mTriePos += BinaryDictEncoderUtils.writeChildrenPosition(mTrieBuf,
mTriePos, Math.abs(offset));
}
}
@Override
public void writeForwardLinkAddress(int forwardLinkAddress) {
mTriePos = BinaryDictEncoderUtils.writeUIntToBuffer(mTrieBuf, mTriePos,
forwardLinkAddress, FormatSpec.FORWARD_LINK_ADDRESS_SIZE);
}
@Override
public void writePtNode(final PtNode ptNode, final int parentPosition,
final FormatOptions formatOptions, final FusionDictionary dict) {
writePtNodeFlags(ptNode, parentPosition, formatOptions);
writeParentPosition(parentPosition, ptNode, formatOptions);
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);
}
}

75
tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java
View File

@ -25,6 +25,7 @@ import android.util.SparseArray;
import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.CharEncoding;
import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.DictBuffer;
import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
import com.android.inputmethod.latin.makedict.FusionDictionary.DictionaryOptions;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray;
import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
@ -264,6 +265,27 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
return result + ", supportsDynamicUpdate = " + formatOptions.mSupportsDynamicUpdate;
}
private DictionaryOptions getDictionaryOptions(final String id, final String version) {
final DictionaryOptions options = new DictionaryOptions(new HashMap<String, String>(),
false, false);
options.mAttributes.put("version", version);
options.mAttributes.put("dictionary", id);
return options;
}
private File setUpDictionaryFile(final String name, final String version) {
File file = null;
try {
file = new File(getContext().getCacheDir(), name + "." + version
+ TEST_DICT_FILE_EXTENSION);
file.createNewFile();
} catch (IOException e) {
// do nothing
}
assertTrue("Failed to create the dictionary file.", file.exists());
return file;
}
// Tests for readDictionaryBinary and writeDictionaryBinary
private long timeReadingAndCheckDict(final File file, final List<String> words,
@ -292,17 +314,13 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
final SparseArray<List<Integer>> bigrams, final HashMap<String, List<String>> shortcuts,
final int bufferType, final FormatSpec.FormatOptions formatOptions,
final String message) {
File file = null;
try {
file = File.createTempFile("runReadAndWrite", TEST_DICT_FILE_EXTENSION,
getContext().getCacheDir());
} catch (IOException e) {
Log.e(TAG, "IOException", e);
}
assertNotNull(file);
final String dictName = "runReadAndWrite";
final String dictVersion = Long.toString(System.currentTimeMillis());
final File file = setUpDictionaryFile(dictName, dictVersion);
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
new FusionDictionary.DictionaryOptions(new HashMap<String,String>(), false, false));
getDictionaryOptions(dictName, dictVersion));
addUnigrams(words.size(), dict, words, shortcuts);
addBigrams(dict, words, bigrams);
checkDictionary(dict, words, bigrams, shortcuts);
@ -454,19 +472,13 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
private String runReadUnigramsAndBigramsBinary(final ArrayList<String> words,
final SparseArray<List<Integer>> bigrams, final int bufferType,
final FormatSpec.FormatOptions formatOptions, final String message) {
File file = null;
try {
file = File.createTempFile("runReadUnigrams", TEST_DICT_FILE_EXTENSION,
getContext().getCacheDir());
} catch (IOException e) {
Log.e(TAG, "IOException", e);
}
assertNotNull(file);
final String dictName = "runReadUnigrams";
final String dictVersion = Long.toString(System.currentTimeMillis());
final File file = setUpDictionaryFile(dictName, dictVersion);
// making the dictionary from lists of words.
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
new FusionDictionary.DictionaryOptions(
new HashMap<String, String>(), false, false));
getDictionaryOptions(dictName, dictVersion));
addUnigrams(words.size(), dict, words, null /* shortcutMap */);
addBigrams(dict, words, bigrams);
@ -552,18 +564,12 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
}
public void testGetTerminalPosition() {
File file = null;
try {
file = File.createTempFile("testGetTerminalPosition", TEST_DICT_FILE_EXTENSION,
getContext().getCacheDir());
} catch (IOException e) {
// do nothing
}
assertNotNull(file);
final String dictName = "testGetTerminalPosition";
final String dictVersion = Long.toString(System.currentTimeMillis());
final File file = setUpDictionaryFile(dictName, dictVersion);
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
new FusionDictionary.DictionaryOptions(
new HashMap<String, String>(), false, false));
getDictionaryOptions(dictName, dictVersion));
addUnigrams(sWords.size(), dict, sWords, null /* shortcutMap */);
timeWritingDictToFile(file, dict, VERSION3_WITH_DYNAMIC_UPDATE);
@ -609,14 +615,9 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
}
public void testDeleteWord() {
File file = null;
try {
file = File.createTempFile("testDeleteWord", TEST_DICT_FILE_EXTENSION,
getContext().getCacheDir());
} catch (IOException e) {
// do nothing
}
assertNotNull(file);
final String dictName = "testDeleteWord";
final String dictVersion = Long.toString(System.currentTimeMillis());
final File file = setUpDictionaryFile(dictName, dictVersion);
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
new FusionDictionary.DictionaryOptions(