Merge "Add Ver4DictDecoder."
commit
7ba7868763
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@ -498,7 +498,7 @@ public final class BinaryDictDecoderUtils {
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// reach the end of the array.
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if (options.mSupportsDynamicUpdate) {
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final boolean hasValidForwardLink = dictDecoder.readForwardLinkAndAdvancePosition();
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final boolean hasValidForwardLink = dictDecoder.readAndFollowForwardLink();
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if (!hasValidForwardLink) break;
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}
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} while (options.mSupportsDynamicUpdate && dictDecoder.hasNextPtNodeArray());
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@ -550,7 +550,7 @@ public final class BinaryDictDecoderUtils {
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* @return the created (or merged) dictionary.
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*/
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@UsedForTesting
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/* package */ static FusionDictionary readDictionaryBinary(final Ver3DictDecoder dictDecoder,
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/* package */ static FusionDictionary readDictionaryBinary(final DictDecoder dictDecoder,
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final FusionDictionary dict) throws IOException, UnsupportedFormatException {
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// Read header
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final FileHeader fileHeader = dictDecoder.readHeader();
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@ -368,9 +368,9 @@ public class BinaryDictEncoderUtils {
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if (null != ptNode.mBigrams) {
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for (WeightedString bigram : ptNode.mBigrams) {
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final int offset = getOffsetToTargetPtNodeDuringUpdate(ptNodeArray,
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nodeSize + size + FormatSpec.PTNODE_FLAGS_SIZE,
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nodeSize + size + FormatSpec.PTNODE_ATTRIBUTE_FLAGS_SIZE,
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FusionDictionary.findWordInTree(dict.mRootNodeArray, bigram.mWord));
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nodeSize += getByteSize(offset) + FormatSpec.PTNODE_FLAGS_SIZE;
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nodeSize += getByteSize(offset) + FormatSpec.PTNODE_ATTRIBUTE_FLAGS_SIZE;
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}
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}
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ptNode.mCachedSize = nodeSize;
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@ -114,7 +114,7 @@ public final class BinaryDictIOUtils {
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if (p.mPosition == p.mNumOfPtNode) {
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if (formatOptions.mSupportsDynamicUpdate) {
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final boolean hasValidForwardLinkAddress =
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dictDecoder.readForwardLinkAndAdvancePosition();
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dictDecoder.readAndFollowForwardLink();
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if (hasValidForwardLinkAddress && dictDecoder.hasNextPtNodeArray()) {
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// The node array has a forward link.
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p.mNumOfPtNode = Position.NOT_READ_PTNODE_COUNT;
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@ -233,7 +233,7 @@ public final class BinaryDictIOUtils {
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}
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final boolean hasValidForwardLinkAddress =
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dictDecoder.readForwardLinkAndAdvancePosition();
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dictDecoder.readAndFollowForwardLink();
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if (!hasValidForwardLinkAddress || !dictDecoder.hasNextPtNodeArray()) {
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return FormatSpec.NOT_VALID_WORD;
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}
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@ -17,9 +17,11 @@
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package com.android.inputmethod.latin.makedict;
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import com.android.inputmethod.annotations.UsedForTesting;
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import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.CharEncoding;
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import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.DictBuffer;
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import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
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import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
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import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
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import com.android.inputmethod.latin.utils.ByteArrayDictBuffer;
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import java.io.File;
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@ -30,13 +32,50 @@ import java.io.RandomAccessFile;
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import java.nio.ByteBuffer;
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import java.nio.channels.FileChannel;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.TreeMap;
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/**
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* An interface of binary dictionary decoder.
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* The base class of binary dictionary decoders.
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*/
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public interface DictDecoder {
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public FileHeader readHeader() throws IOException, UnsupportedFormatException;
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public abstract class DictDecoder {
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protected FileHeader readHeader(final DictBuffer dictBuffer)
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throws IOException, UnsupportedFormatException {
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if (dictBuffer == null) {
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openDictBuffer();
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}
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final int version = HeaderReader.readVersion(dictBuffer);
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if (version < FormatSpec.MINIMUM_SUPPORTED_VERSION
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|| version > FormatSpec.MAXIMUM_SUPPORTED_VERSION) {
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throw new UnsupportedFormatException("Unsupported version : " + version);
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}
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// TODO: Remove this field.
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final int optionsFlags = HeaderReader.readOptionFlags(dictBuffer);
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final int headerSize = HeaderReader.readHeaderSize(dictBuffer);
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if (headerSize < 0) {
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throw new UnsupportedFormatException("header size can't be negative.");
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}
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final HashMap<String, String> attributes = HeaderReader.readAttributes(dictBuffer,
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headerSize);
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final FileHeader header = new FileHeader(headerSize,
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new FusionDictionary.DictionaryOptions(attributes,
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0 != (optionsFlags & FormatSpec.GERMAN_UMLAUT_PROCESSING_FLAG),
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0 != (optionsFlags & FormatSpec.FRENCH_LIGATURE_PROCESSING_FLAG)),
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new FormatOptions(version,
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0 != (optionsFlags & FormatSpec.SUPPORTS_DYNAMIC_UPDATE)));
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return header;
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}
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/**
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* Reads and returns the file header.
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*/
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public abstract FileHeader readHeader() throws IOException, UnsupportedFormatException;
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/**
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* Reads PtNode from nodeAddress.
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@ -44,7 +83,7 @@ public interface DictDecoder {
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* @param formatOptions the format options.
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* @return PtNodeInfo.
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*/
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public PtNodeInfo readPtNode(final int ptNodePos, final FormatOptions formatOptions);
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public abstract PtNodeInfo readPtNode(final int ptNodePos, final FormatOptions formatOptions);
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/**
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* Reads a buffer and returns the memory representation of the dictionary.
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@ -59,7 +98,7 @@ public interface DictDecoder {
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* @return the created (or merged) dictionary.
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*/
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@UsedForTesting
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public FusionDictionary readDictionaryBinary(final FusionDictionary dict,
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public abstract FusionDictionary readDictionaryBinary(final FusionDictionary dict,
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final boolean deleteDictIfBroken)
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throws FileNotFoundException, IOException, UnsupportedFormatException;
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@ -74,7 +113,12 @@ public interface DictDecoder {
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*/
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@UsedForTesting
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public int getTerminalPosition(final String word)
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throws IOException, UnsupportedFormatException;
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throws IOException, UnsupportedFormatException {
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if (!isDictBufferOpen()) {
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openDictBuffer();
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}
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return BinaryDictIOUtils.getTerminalPosition(this, word);
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}
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/**
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* Reads unigrams and bigrams from the binary file.
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@ -86,50 +130,56 @@ public interface DictDecoder {
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* @throws IOException if the file can't be read.
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* @throws UnsupportedFormatException if the format of the file is not recognized.
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*/
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@UsedForTesting
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public void readUnigramsAndBigramsBinary(final TreeMap<Integer, String> words,
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final TreeMap<Integer, Integer> frequencies,
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final TreeMap<Integer, ArrayList<PendingAttribute>> bigrams)
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throws IOException, UnsupportedFormatException;
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throws IOException, UnsupportedFormatException {
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if (!isDictBufferOpen()) {
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openDictBuffer();
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}
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BinaryDictIOUtils.readUnigramsAndBigramsBinary(this, words, frequencies, bigrams);
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}
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/**
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* Sets the position of the buffer to the given value.
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*
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* @param newPos the new position
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*/
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public void setPosition(final int newPos);
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public abstract void setPosition(final int newPos);
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/**
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* Gets the position of the buffer.
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*
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* @return the position
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*/
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public int getPosition();
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public abstract int getPosition();
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/**
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* Reads and returns the PtNode count out of a buffer and forwards the pointer.
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*/
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public int readPtNodeCount();
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public abstract int readPtNodeCount();
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/**
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* Reads the forward link and advances the position.
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*
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* @return if this method advances the position then true else false.
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* @return true if this method moves the file pointer, false otherwise.
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*/
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public boolean readForwardLinkAndAdvancePosition();
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public boolean hasNextPtNodeArray();
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public abstract boolean readAndFollowForwardLink();
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public abstract boolean hasNextPtNodeArray();
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/**
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* Opens the dictionary file and makes DictBuffer.
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*/
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@UsedForTesting
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public void openDictBuffer() throws FileNotFoundException, IOException;
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public abstract void openDictBuffer() throws FileNotFoundException, IOException;
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@UsedForTesting
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public boolean isOpenedDictBuffer();
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public abstract boolean isDictBufferOpen();
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// Flags for DictionaryBufferFactory.
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// Constants for DictionaryBufferFactory.
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public static final int USE_READONLY_BYTEBUFFER = 0x01000000;
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public static final int USE_BYTEARRAY = 0x02000000;
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public static final int USE_WRITABLE_BYTEBUFFER = 0x04000000;
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public static final int USE_WRITABLE_BYTEBUFFER = 0x03000000;
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public static final int MASK_DICTBUFFER = 0x0F000000;
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public interface DictionaryBufferFactory {
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@ -221,4 +271,124 @@ public interface DictDecoder {
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return null;
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}
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}
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/**
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* A utility class for reading a file header.
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*/
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protected static class HeaderReader {
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protected static int readVersion(final DictBuffer dictBuffer)
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throws IOException, UnsupportedFormatException {
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return BinaryDictDecoderUtils.checkFormatVersion(dictBuffer);
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}
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protected static int readOptionFlags(final DictBuffer dictBuffer) {
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return dictBuffer.readUnsignedShort();
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}
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protected static int readHeaderSize(final DictBuffer dictBuffer) {
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return dictBuffer.readInt();
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}
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protected static HashMap<String, String> readAttributes(final DictBuffer dictBuffer,
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final int headerSize) {
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final HashMap<String, String> attributes = new HashMap<String, String>();
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while (dictBuffer.position() < headerSize) {
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// We can avoid an infinite loop here since dictBuffer.position() is always
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// increased by calling CharEncoding.readString.
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final String key = CharEncoding.readString(dictBuffer);
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final String value = CharEncoding.readString(dictBuffer);
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attributes.put(key, value);
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}
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dictBuffer.position(headerSize);
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return attributes;
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}
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}
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/**
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* A utility class for reading a PtNode.
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*/
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protected static class PtNodeReader {
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protected static int readPtNodeOptionFlags(final DictBuffer dictBuffer) {
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return dictBuffer.readUnsignedByte();
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}
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protected static int readParentAddress(final DictBuffer dictBuffer,
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final FormatOptions formatOptions) {
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if (BinaryDictIOUtils.supportsDynamicUpdate(formatOptions)) {
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return BinaryDictDecoderUtils.readSInt24(dictBuffer);
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} else {
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return FormatSpec.NO_PARENT_ADDRESS;
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}
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}
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protected static int readChildrenAddress(final DictBuffer dictBuffer, final int optionFlags,
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final FormatOptions formatOptions) {
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if (BinaryDictIOUtils.supportsDynamicUpdate(formatOptions)) {
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final int address = BinaryDictDecoderUtils.readSInt24(dictBuffer);
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if (address == 0) return FormatSpec.NO_CHILDREN_ADDRESS;
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return address;
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} else {
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switch (optionFlags & FormatSpec.MASK_CHILDREN_ADDRESS_TYPE) {
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case FormatSpec.FLAG_CHILDREN_ADDRESS_TYPE_ONEBYTE:
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return dictBuffer.readUnsignedByte();
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case FormatSpec.FLAG_CHILDREN_ADDRESS_TYPE_TWOBYTES:
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return dictBuffer.readUnsignedShort();
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case FormatSpec.FLAG_CHILDREN_ADDRESS_TYPE_THREEBYTES:
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return dictBuffer.readUnsignedInt24();
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case FormatSpec.FLAG_CHILDREN_ADDRESS_TYPE_NOADDRESS:
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default:
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return FormatSpec.NO_CHILDREN_ADDRESS;
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}
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}
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}
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// Reads shortcuts and returns the read length.
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protected static int readShortcut(final DictBuffer dictBuffer,
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final ArrayList<WeightedString> shortcutTargets) {
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final int pointerBefore = dictBuffer.position();
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dictBuffer.readUnsignedShort(); // skip the size
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while (true) {
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final int targetFlags = dictBuffer.readUnsignedByte();
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final String word = CharEncoding.readString(dictBuffer);
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shortcutTargets.add(new WeightedString(word,
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targetFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_FREQUENCY));
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if (0 == (targetFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_HAS_NEXT)) break;
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}
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return dictBuffer.position() - pointerBefore;
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}
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protected static int readBigramAddresses(final DictBuffer dictBuffer,
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final ArrayList<PendingAttribute> bigrams, final int baseAddress) {
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int readLength = 0;
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int bigramCount = 0;
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while (bigramCount++ < FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
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final int bigramFlags = dictBuffer.readUnsignedByte();
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++readLength;
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final int sign = 0 == (bigramFlags & FormatSpec.FLAG_BIGRAM_ATTR_OFFSET_NEGATIVE)
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? 1 : -1;
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int bigramAddress = baseAddress + readLength;
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switch (bigramFlags & FormatSpec.MASK_BIGRAM_ATTR_ADDRESS_TYPE) {
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case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_ONEBYTE:
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bigramAddress += sign * dictBuffer.readUnsignedByte();
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readLength += 1;
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break;
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case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_TWOBYTES:
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bigramAddress += sign * dictBuffer.readUnsignedShort();
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readLength += 2;
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break;
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case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_THREEBYTES:
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bigramAddress += sign * dictBuffer.readUnsignedInt24();
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readLength += 3;
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break;
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default:
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throw new RuntimeException("Has bigrams with no address");
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}
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bigrams.add(new PendingAttribute(
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bigramFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_FREQUENCY,
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bigramAddress));
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if (0 == (bigramFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_HAS_NEXT)) break;
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}
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return readLength;
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}
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}
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}
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@ -360,19 +360,27 @@ public final class FormatSpec {
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* Returns new dictionary decoder.
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*
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* @param dictFile the dictionary file.
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* @param bufferType the flag indicating buffer type which is used by the dictionary decoder.
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* @param bufferType The type of buffer, as one of USE_* in DictDecoder.
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* @return new dictionary decoder if the dictionary file exists, otherwise null.
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*/
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public static DictDecoder getDictDecoder(final File dictFile, final int bufferType) {
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if (!dictFile.isFile()) return null;
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if (dictFile.isDirectory()) {
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return new Ver4DictDecoder(dictFile, bufferType);
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} else if (dictFile.isFile()) {
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return new Ver3DictDecoder(dictFile, bufferType);
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}
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return null;
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}
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public static DictDecoder getDictDecoder(final File dictFile,
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final DictionaryBufferFactory factory) {
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if (!dictFile.isFile()) return null;
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if (dictFile.isDirectory()) {
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return new Ver4DictDecoder(dictFile, factory);
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} else if (dictFile.isFile()) {
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return new Ver3DictDecoder(dictFile, factory);
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}
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return null;
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}
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public static DictDecoder getDictDecoder(final File dictFile) {
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return getDictDecoder(dictFile, DictDecoder.USE_READONLY_BYTEBUFFER);
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|
|
|
@ -32,14 +32,12 @@ import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.TreeMap;
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/**
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* An implementation of DictDecoder for version 3 binary dictionary.
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*/
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@UsedForTesting
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public class Ver3DictDecoder implements DictDecoder {
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public class Ver3DictDecoder extends DictDecoder {
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private static final String TAG = Ver3DictDecoder.class.getSimpleName();
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static {
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|
@ -49,124 +47,10 @@ public class Ver3DictDecoder implements DictDecoder {
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// TODO: implement something sensical instead of just a phony method
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private static native int doNothing();
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private final static class HeaderReader {
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protected static int readVersion(final DictBuffer dictBuffer)
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throws IOException, UnsupportedFormatException {
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return BinaryDictDecoderUtils.checkFormatVersion(dictBuffer);
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}
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protected static int readOptionFlags(final DictBuffer dictBuffer) {
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return dictBuffer.readUnsignedShort();
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}
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protected static int readHeaderSize(final DictBuffer dictBuffer) {
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return dictBuffer.readInt();
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}
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protected static HashMap<String, String> readAttributes(final DictBuffer dictBuffer,
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final int headerSize) {
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final HashMap<String, String> attributes = new HashMap<String, String>();
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while (dictBuffer.position() < headerSize) {
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// We can avoid an infinite loop here since dictBuffer.position() is always
|
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// increased by calling CharEncoding.readString.
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final String key = CharEncoding.readString(dictBuffer);
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final String value = CharEncoding.readString(dictBuffer);
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attributes.put(key, value);
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}
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dictBuffer.position(headerSize);
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return attributes;
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}
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}
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private final static class PtNodeReader {
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protected static int readPtNodeOptionFlags(final DictBuffer dictBuffer) {
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protected static class PtNodeReader extends DictDecoder.PtNodeReader {
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private static int readFrequency(final DictBuffer dictBuffer) {
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return dictBuffer.readUnsignedByte();
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}
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protected static int readParentAddress(final DictBuffer dictBuffer,
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final FormatOptions formatOptions) {
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if (BinaryDictIOUtils.supportsDynamicUpdate(formatOptions)) {
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return BinaryDictDecoderUtils.readSInt24(dictBuffer);
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} else {
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return FormatSpec.NO_PARENT_ADDRESS;
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}
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}
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protected static int readFrequency(final DictBuffer dictBuffer) {
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return dictBuffer.readUnsignedByte();
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}
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protected static int readChildrenAddress(final DictBuffer dictBuffer, final int optionFlags,
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final FormatOptions formatOptions) {
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if (BinaryDictIOUtils.supportsDynamicUpdate(formatOptions)) {
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final int address = BinaryDictDecoderUtils.readSInt24(dictBuffer);
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if (address == 0) return FormatSpec.NO_CHILDREN_ADDRESS;
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return address;
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} else {
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switch (optionFlags & FormatSpec.MASK_CHILDREN_ADDRESS_TYPE) {
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case FormatSpec.FLAG_CHILDREN_ADDRESS_TYPE_ONEBYTE:
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return dictBuffer.readUnsignedByte();
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case FormatSpec.FLAG_CHILDREN_ADDRESS_TYPE_TWOBYTES:
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return dictBuffer.readUnsignedShort();
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case FormatSpec.FLAG_CHILDREN_ADDRESS_TYPE_THREEBYTES:
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return dictBuffer.readUnsignedInt24();
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case FormatSpec.FLAG_CHILDREN_ADDRESS_TYPE_NOADDRESS:
|
||||
default:
|
||||
return FormatSpec.NO_CHILDREN_ADDRESS;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Reads shortcuts and returns the read length.
|
||||
protected static int readShortcut(final DictBuffer dictBuffer,
|
||||
final ArrayList<WeightedString> shortcutTargets) {
|
||||
final int pointerBefore = dictBuffer.position();
|
||||
dictBuffer.readUnsignedShort(); // skip the size
|
||||
while (true) {
|
||||
final int targetFlags = dictBuffer.readUnsignedByte();
|
||||
final String word = CharEncoding.readString(dictBuffer);
|
||||
shortcutTargets.add(new WeightedString(word,
|
||||
targetFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_FREQUENCY));
|
||||
if (0 == (targetFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_HAS_NEXT)) break;
|
||||
}
|
||||
return dictBuffer.position() - pointerBefore;
|
||||
}
|
||||
|
||||
protected static int readBigrams(final DictBuffer dictBuffer,
|
||||
final ArrayList<PendingAttribute> bigrams, final int baseAddress) {
|
||||
int readLength = 0;
|
||||
int bigramCount = 0;
|
||||
while (bigramCount++ < FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
|
||||
final int bigramFlags = dictBuffer.readUnsignedByte();
|
||||
++readLength;
|
||||
final int sign = 0 == (bigramFlags & FormatSpec.FLAG_BIGRAM_ATTR_OFFSET_NEGATIVE)
|
||||
? 1 : -1;
|
||||
int bigramAddress = baseAddress + readLength;
|
||||
switch (bigramFlags & FormatSpec.MASK_BIGRAM_ATTR_ADDRESS_TYPE) {
|
||||
case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_ONEBYTE:
|
||||
bigramAddress += sign * dictBuffer.readUnsignedByte();
|
||||
readLength += 1;
|
||||
break;
|
||||
case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_TWOBYTES:
|
||||
bigramAddress += sign * dictBuffer.readUnsignedShort();
|
||||
readLength += 2;
|
||||
break;
|
||||
case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_THREEBYTES:
|
||||
final int offset = (dictBuffer.readUnsignedByte() << 16)
|
||||
+ dictBuffer.readUnsignedShort();
|
||||
bigramAddress += sign * offset;
|
||||
readLength += 3;
|
||||
break;
|
||||
default:
|
||||
throw new RuntimeException("Has bigrams with no address");
|
||||
}
|
||||
bigrams.add(new PendingAttribute(
|
||||
bigramFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_FREQUENCY,
|
||||
bigramAddress));
|
||||
if (0 == (bigramFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_HAS_NEXT)) break;
|
||||
}
|
||||
return readLength;
|
||||
}
|
||||
}
|
||||
|
||||
private final File mDictionaryBinaryFile;
|
||||
|
@ -199,7 +83,7 @@ public class Ver3DictDecoder implements DictDecoder {
|
|||
}
|
||||
|
||||
@Override
|
||||
public boolean isOpenedDictBuffer() {
|
||||
public boolean isDictBufferOpen() {
|
||||
return mDictBuffer != null;
|
||||
}
|
||||
|
||||
|
@ -218,25 +102,11 @@ public class Ver3DictDecoder implements DictDecoder {
|
|||
if (mDictBuffer == null) {
|
||||
openDictBuffer();
|
||||
}
|
||||
|
||||
final int version = HeaderReader.readVersion(mDictBuffer);
|
||||
final int optionsFlags = HeaderReader.readOptionFlags(mDictBuffer);
|
||||
|
||||
final int headerSize = HeaderReader.readHeaderSize(mDictBuffer);
|
||||
|
||||
if (headerSize < 0) {
|
||||
throw new UnsupportedFormatException("header size can't be negative.");
|
||||
final FileHeader header = super.readHeader(mDictBuffer);
|
||||
final int version = header.mFormatOptions.mVersion;
|
||||
if (!(version >= 2 && version <= 3)) {
|
||||
throw new UnsupportedFormatException("File header has a wrong version : " + version);
|
||||
}
|
||||
|
||||
final HashMap<String, String> attributes = HeaderReader.readAttributes(mDictBuffer,
|
||||
headerSize);
|
||||
|
||||
final FileHeader header = new FileHeader(headerSize,
|
||||
new FusionDictionary.DictionaryOptions(attributes,
|
||||
0 != (optionsFlags & FormatSpec.GERMAN_UMLAUT_PROCESSING_FLAG),
|
||||
0 != (optionsFlags & FormatSpec.FRENCH_LIGATURE_PROCESSING_FLAG)),
|
||||
new FormatOptions(version,
|
||||
0 != (optionsFlags & FormatSpec.SUPPORTS_DYNAMIC_UPDATE)));
|
||||
return header;
|
||||
}
|
||||
|
||||
|
@ -246,11 +116,11 @@ public class Ver3DictDecoder implements DictDecoder {
|
|||
public PtNodeInfo readPtNode(final int ptNodePos, final FormatOptions options) {
|
||||
int addressPointer = ptNodePos;
|
||||
final int flags = PtNodeReader.readPtNodeOptionFlags(mDictBuffer);
|
||||
++addressPointer;
|
||||
addressPointer += FormatSpec.PTNODE_FLAGS_SIZE;
|
||||
|
||||
final int parentAddress = PtNodeReader.readParentAddress(mDictBuffer, options);
|
||||
if (BinaryDictIOUtils.supportsDynamicUpdate(options)) {
|
||||
addressPointer += 3;
|
||||
addressPointer += FormatSpec.PARENT_ADDRESS_SIZE;
|
||||
}
|
||||
|
||||
final int characters[];
|
||||
|
@ -258,7 +128,7 @@ public class Ver3DictDecoder implements DictDecoder {
|
|||
int index = 0;
|
||||
int character = CharEncoding.readChar(mDictBuffer);
|
||||
addressPointer += CharEncoding.getCharSize(character);
|
||||
while (-1 != character) {
|
||||
while (FormatSpec.INVALID_CHARACTER != character) {
|
||||
// FusionDictionary is making sure that the length of the word is smaller than
|
||||
// MAX_WORD_LENGTH.
|
||||
// So we'll never write past the end of mCharacterBuffer.
|
||||
|
@ -274,8 +144,8 @@ public class Ver3DictDecoder implements DictDecoder {
|
|||
}
|
||||
final int frequency;
|
||||
if (0 != (FormatSpec.FLAG_IS_TERMINAL & flags)) {
|
||||
++addressPointer;
|
||||
frequency = PtNodeReader.readFrequency(mDictBuffer);
|
||||
addressPointer += FormatSpec.PTNODE_FREQUENCY_SIZE;
|
||||
} else {
|
||||
frequency = PtNode.NOT_A_TERMINAL;
|
||||
}
|
||||
|
@ -296,7 +166,8 @@ public class Ver3DictDecoder implements DictDecoder {
|
|||
final ArrayList<PendingAttribute> bigrams;
|
||||
if (0 != (flags & FormatSpec.FLAG_HAS_BIGRAMS)) {
|
||||
bigrams = new ArrayList<PendingAttribute>();
|
||||
addressPointer += PtNodeReader.readBigrams(mDictBuffer, bigrams, addressPointer);
|
||||
addressPointer += PtNodeReader.readBigramAddresses(mDictBuffer, bigrams,
|
||||
addressPointer);
|
||||
if (bigrams.size() >= FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
|
||||
MakedictLog.d("too many bigrams in a PtNode.");
|
||||
}
|
||||
|
@ -331,25 +202,6 @@ public class Ver3DictDecoder implements DictDecoder {
|
|||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getTerminalPosition(String word) throws IOException, UnsupportedFormatException {
|
||||
if (mDictBuffer == null) {
|
||||
openDictBuffer();
|
||||
}
|
||||
return BinaryDictIOUtils.getTerminalPosition(this, word);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readUnigramsAndBigramsBinary(final TreeMap<Integer, String> words,
|
||||
final TreeMap<Integer, Integer> frequencies,
|
||||
final TreeMap<Integer, ArrayList<PendingAttribute>> bigrams)
|
||||
throws IOException, UnsupportedFormatException {
|
||||
if (mDictBuffer == null) {
|
||||
openDictBuffer();
|
||||
}
|
||||
BinaryDictIOUtils.readUnigramsAndBigramsBinary(this, words, frequencies, bigrams);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setPosition(int newPos) {
|
||||
mDictBuffer.position(newPos);
|
||||
|
@ -366,7 +218,7 @@ public class Ver3DictDecoder implements DictDecoder {
|
|||
}
|
||||
|
||||
@Override
|
||||
public boolean readForwardLinkAndAdvancePosition() {
|
||||
public boolean readAndFollowForwardLink() {
|
||||
final int nextAddress = mDictBuffer.readUnsignedInt24();
|
||||
if (nextAddress >= 0 && nextAddress < mDictBuffer.limit()) {
|
||||
mDictBuffer.position(nextAddress);
|
||||
|
|
|
@ -167,7 +167,7 @@ public class Ver3DictEncoder implements DictEncoder {
|
|||
}
|
||||
}
|
||||
|
||||
public void writeChildrenPosition(final PtNode ptNode, final FormatOptions formatOptions) {
|
||||
private void writeChildrenPosition(final PtNode ptNode, final FormatOptions formatOptions) {
|
||||
final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode, formatOptions);
|
||||
if (formatOptions.mSupportsDynamicUpdate) {
|
||||
mPosition += BinaryDictEncoderUtils.writeSignedChildrenPosition(mBuffer, mPosition,
|
||||
|
|
|
@ -0,0 +1,259 @@
|
|||
/*
|
||||
* 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.BinaryDictDecoderUtils.DictBuffer;
|
||||
import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
|
||||
import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
|
||||
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode;
|
||||
import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
|
||||
|
||||
import android.util.Log;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
|
||||
/**
|
||||
* An implementation of binary dictionary decoder for version 4 binary dictionary.
|
||||
*/
|
||||
@UsedForTesting
|
||||
public class Ver4DictDecoder extends DictDecoder {
|
||||
private static final String TAG = Ver4DictDecoder.class.getSimpleName();
|
||||
|
||||
private static final int FILETYPE_TRIE = 1;
|
||||
private static final int FILETYPE_FREQUENCY = 2;
|
||||
|
||||
private final File mDictDirectory;
|
||||
private final DictionaryBufferFactory mBufferFactory;
|
||||
private DictBuffer mDictBuffer;
|
||||
private DictBuffer mFrequencyBuffer;
|
||||
|
||||
@UsedForTesting
|
||||
/* package */ Ver4DictDecoder(final File dictDirectory, final int factoryFlag) {
|
||||
mDictDirectory = dictDirectory;
|
||||
mDictBuffer = mFrequencyBuffer = null;
|
||||
|
||||
if ((factoryFlag & MASK_DICTBUFFER) == USE_READONLY_BYTEBUFFER) {
|
||||
mBufferFactory = new DictionaryBufferFromReadOnlyByteBufferFactory();
|
||||
} else if ((factoryFlag & MASK_DICTBUFFER) == USE_BYTEARRAY) {
|
||||
mBufferFactory = new DictionaryBufferFromByteArrayFactory();
|
||||
} else if ((factoryFlag & MASK_DICTBUFFER) == USE_WRITABLE_BYTEBUFFER) {
|
||||
mBufferFactory = new DictionaryBufferFromWritableByteBufferFactory();
|
||||
} else {
|
||||
mBufferFactory = new DictionaryBufferFromReadOnlyByteBufferFactory();
|
||||
}
|
||||
}
|
||||
|
||||
@UsedForTesting
|
||||
/* package */ Ver4DictDecoder(final File dictDirectory, final DictionaryBufferFactory factory) {
|
||||
mDictDirectory = dictDirectory;
|
||||
mBufferFactory = factory;
|
||||
mDictBuffer = mFrequencyBuffer = null;
|
||||
}
|
||||
|
||||
private File getFile(final int fileType) {
|
||||
if (fileType == FILETYPE_TRIE) {
|
||||
return new File(mDictDirectory,
|
||||
mDictDirectory.getName() + FormatSpec.TRIE_FILE_EXTENSION);
|
||||
} else if (fileType == FILETYPE_FREQUENCY) {
|
||||
return new File(mDictDirectory,
|
||||
mDictDirectory.getName() + FormatSpec.FREQ_FILE_EXTENSION);
|
||||
} else {
|
||||
throw new RuntimeException("Unsupported kind of file : " + fileType);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void openDictBuffer() throws FileNotFoundException, IOException {
|
||||
final String filename = mDictDirectory.getName();
|
||||
mDictBuffer = mBufferFactory.getDictionaryBuffer(getFile(FILETYPE_TRIE));
|
||||
mFrequencyBuffer = mBufferFactory.getDictionaryBuffer(getFile(FILETYPE_FREQUENCY));
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDictBufferOpen() {
|
||||
return mDictBuffer != null;
|
||||
}
|
||||
|
||||
/* package */ DictBuffer getDictBuffer() {
|
||||
return mDictBuffer;
|
||||
}
|
||||
|
||||
@Override
|
||||
public FileHeader readHeader() throws IOException, UnsupportedFormatException {
|
||||
if (mDictBuffer == null) {
|
||||
openDictBuffer();
|
||||
}
|
||||
final FileHeader header = super.readHeader(mDictBuffer);
|
||||
final int version = header.mFormatOptions.mVersion;
|
||||
if (version != 4) {
|
||||
throw new UnsupportedFormatException("File header has a wrong version : " + version);
|
||||
}
|
||||
return header;
|
||||
}
|
||||
|
||||
protected static class PtNodeReader extends DictDecoder.PtNodeReader {
|
||||
protected static int readFrequency(final DictBuffer frequencyBuffer, final int terminalId) {
|
||||
frequencyBuffer.position(terminalId * FormatSpec.FREQUENCY_AND_FLAGS_SIZE + 1);
|
||||
return frequencyBuffer.readUnsignedByte();
|
||||
}
|
||||
|
||||
protected static int readTerminalId(final DictBuffer dictBuffer) {
|
||||
return dictBuffer.readInt();
|
||||
}
|
||||
}
|
||||
|
||||
// TODO: Make this buffer thread safe.
|
||||
// TODO: Support words longer than FormatSpec.MAX_WORD_LENGTH.
|
||||
private final int[] mCharacterBuffer = new int[FormatSpec.MAX_WORD_LENGTH];
|
||||
@Override
|
||||
public PtNodeInfo readPtNode(int ptNodePos, FormatOptions options) {
|
||||
int addressPointer = ptNodePos;
|
||||
final int flags = PtNodeReader.readPtNodeOptionFlags(mDictBuffer);
|
||||
addressPointer += FormatSpec.PTNODE_FLAGS_SIZE;
|
||||
|
||||
final int parentAddress = PtNodeReader.readParentAddress(mDictBuffer, options);
|
||||
if (BinaryDictIOUtils.supportsDynamicUpdate(options)) {
|
||||
addressPointer += FormatSpec.PARENT_ADDRESS_SIZE;
|
||||
}
|
||||
|
||||
final int characters[];
|
||||
if (0 != (flags & FormatSpec.FLAG_HAS_MULTIPLE_CHARS)) {
|
||||
int index = 0;
|
||||
int character = CharEncoding.readChar(mDictBuffer);
|
||||
addressPointer += CharEncoding.getCharSize(character);
|
||||
while (FormatSpec.INVALID_CHARACTER != character
|
||||
&& index < FormatSpec.MAX_WORD_LENGTH) {
|
||||
mCharacterBuffer[index++] = character;
|
||||
character = CharEncoding.readChar(mDictBuffer);
|
||||
addressPointer += CharEncoding.getCharSize(character);
|
||||
}
|
||||
characters = Arrays.copyOfRange(mCharacterBuffer, 0, index);
|
||||
} else {
|
||||
final int character = CharEncoding.readChar(mDictBuffer);
|
||||
addressPointer += CharEncoding.getCharSize(character);
|
||||
characters = new int[] { character };
|
||||
}
|
||||
final int terminalId;
|
||||
if (0 != (FormatSpec.FLAG_IS_TERMINAL & flags)) {
|
||||
terminalId = PtNodeReader.readTerminalId(mDictBuffer);
|
||||
addressPointer += FormatSpec.PTNODE_TERMINAL_ID_SIZE;
|
||||
} else {
|
||||
terminalId = PtNode.NOT_A_TERMINAL;
|
||||
}
|
||||
|
||||
final int frequency;
|
||||
if (0 != (FormatSpec.FLAG_IS_TERMINAL & flags)) {
|
||||
frequency = PtNodeReader.readFrequency(mFrequencyBuffer, terminalId);
|
||||
} else {
|
||||
frequency = PtNode.NOT_A_TERMINAL;
|
||||
}
|
||||
int childrenAddress = PtNodeReader.readChildrenAddress(mDictBuffer, flags, options);
|
||||
if (childrenAddress != FormatSpec.NO_CHILDREN_ADDRESS) {
|
||||
childrenAddress += addressPointer;
|
||||
}
|
||||
addressPointer += BinaryDictIOUtils.getChildrenAddressSize(flags, options);
|
||||
final ArrayList<WeightedString> shortcutTargets;
|
||||
if (0 != (flags & FormatSpec.FLAG_HAS_SHORTCUT_TARGETS)) {
|
||||
// readShortcut will add shortcuts to shortcutTargets.
|
||||
shortcutTargets = new ArrayList<WeightedString>();
|
||||
addressPointer += PtNodeReader.readShortcut(mDictBuffer, shortcutTargets);
|
||||
} else {
|
||||
shortcutTargets = null;
|
||||
}
|
||||
|
||||
final ArrayList<PendingAttribute> bigrams;
|
||||
if (0 != (flags & FormatSpec.FLAG_HAS_BIGRAMS)) {
|
||||
bigrams = new ArrayList<PendingAttribute>();
|
||||
addressPointer += PtNodeReader.readBigramAddresses(mDictBuffer, bigrams,
|
||||
addressPointer);
|
||||
if (bigrams.size() >= FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
|
||||
MakedictLog.d("too many bigrams in a node.");
|
||||
}
|
||||
} else {
|
||||
bigrams = null;
|
||||
}
|
||||
return new PtNodeInfo(ptNodePos, addressPointer, flags, characters, frequency,
|
||||
parentAddress, childrenAddress, shortcutTargets, bigrams);
|
||||
}
|
||||
|
||||
private void deleteDictFiles() {
|
||||
final File[] files = mDictDirectory.listFiles();
|
||||
for (int i = 0; i < files.length; ++i) {
|
||||
files[i].delete();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public FusionDictionary readDictionaryBinary(final FusionDictionary dict,
|
||||
final boolean deleteDictIfBroken)
|
||||
throws FileNotFoundException, IOException, UnsupportedFormatException {
|
||||
if (mDictBuffer == null) {
|
||||
openDictBuffer();
|
||||
}
|
||||
try {
|
||||
return BinaryDictDecoderUtils.readDictionaryBinary(this, dict);
|
||||
} catch (IOException e) {
|
||||
Log.e(TAG, "The dictionary " + mDictDirectory.getName() + " is broken.", e);
|
||||
if (deleteDictIfBroken) {
|
||||
deleteDictFiles();
|
||||
}
|
||||
throw e;
|
||||
} catch (UnsupportedFormatException e) {
|
||||
Log.e(TAG, "The dictionary " + mDictDirectory.getName() + " is broken.", e);
|
||||
if (deleteDictIfBroken) {
|
||||
deleteDictFiles();
|
||||
}
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setPosition(int newPos) {
|
||||
mDictBuffer.position(newPos);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getPosition() {
|
||||
return mDictBuffer.position();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int readPtNodeCount() {
|
||||
return BinaryDictDecoderUtils.readPtNodeCount(mDictBuffer);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean readAndFollowForwardLink() {
|
||||
final int nextAddress = mDictBuffer.readUnsignedInt24();
|
||||
if (nextAddress >= 0 && nextAddress < mDictBuffer.limit()) {
|
||||
mDictBuffer.position(nextAddress);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasNextPtNodeArray() {
|
||||
return mDictBuffer.position() != FormatSpec.NO_FORWARD_LINK_ADDRESS;
|
||||
}
|
||||
}
|
|
@ -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.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;
|
||||
|
@ -75,6 +76,10 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
new FormatSpec.FormatOptions(3, false /* supportsDynamicUpdate */);
|
||||
private static final FormatSpec.FormatOptions VERSION3_WITH_DYNAMIC_UPDATE =
|
||||
new FormatSpec.FormatOptions(3, true /* supportsDynamicUpdate */);
|
||||
private static final FormatSpec.FormatOptions VERSION4_WITHOUT_DYNAMIC_UPDATE =
|
||||
new FormatSpec.FormatOptions(4, false /* supportsDynamicUpdate */);
|
||||
private static final FormatSpec.FormatOptions VERSION4_WITH_DYNAMIC_UPDATE =
|
||||
new FormatSpec.FormatOptions(4, true /* supportsDynamicUpdate */);
|
||||
|
||||
private static final String TEST_DICT_FILE_EXTENSION = ".testDict";
|
||||
|
||||
|
@ -114,6 +119,17 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
}
|
||||
}
|
||||
|
||||
private DictEncoder getDictEncoder(final File file, final FormatOptions formatOptions) {
|
||||
if (formatOptions.mVersion == FormatSpec.VERSION4) {
|
||||
return new Ver4DictEncoder(getContext().getCacheDir());
|
||||
} else if (formatOptions.mVersion == 3 || formatOptions.mVersion == 2) {
|
||||
return new Ver3DictEncoder(file);
|
||||
} else {
|
||||
throw new RuntimeException("The format option has a wrong version : "
|
||||
+ formatOptions.mVersion);
|
||||
}
|
||||
}
|
||||
|
||||
private void generateWords(final int number, final Random random, final int[] codePointSet) {
|
||||
final Set<String> wordSet = CollectionUtils.newHashSet();
|
||||
while (wordSet.size() < number) {
|
||||
|
@ -165,7 +181,7 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
long now = -1, diff = -1;
|
||||
|
||||
try {
|
||||
final DictEncoder dictEncoder = new Ver3DictEncoder(file);
|
||||
final DictEncoder dictEncoder = getDictEncoder(file, formatOptions);
|
||||
|
||||
now = System.currentTimeMillis();
|
||||
// If you need to dump the dict to a textual file, uncomment the line below and the
|
||||
|
@ -246,16 +262,28 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
return file;
|
||||
}
|
||||
|
||||
private DictDecoder getDictDecoder(final File file, final int bufferType,
|
||||
final FormatOptions formatOptions, final DictionaryOptions dictOptions) {
|
||||
if (formatOptions.mVersion == FormatSpec.VERSION4) {
|
||||
final FileHeader header = new FileHeader(0, dictOptions, formatOptions);
|
||||
return FormatSpec.getDictDecoder(new File(getContext().getCacheDir(),
|
||||
header.getId() + "." + header.getVersion()), bufferType);
|
||||
} else {
|
||||
return FormatSpec.getDictDecoder(file, bufferType);
|
||||
}
|
||||
}
|
||||
// Tests for readDictionaryBinary and writeDictionaryBinary
|
||||
|
||||
private long timeReadingAndCheckDict(final File file, final List<String> words,
|
||||
final SparseArray<List<Integer>> bigrams,
|
||||
final HashMap<String, List<String>> shortcutMap, final int bufferType) {
|
||||
final HashMap<String, List<String>> shortcutMap, final int bufferType,
|
||||
final FormatOptions formatOptions, final DictionaryOptions dictOptions) {
|
||||
long now, diff = -1;
|
||||
|
||||
FusionDictionary dict = null;
|
||||
try {
|
||||
final DictDecoder dictDecoder = FormatSpec.getDictDecoder(file, bufferType);
|
||||
final DictDecoder dictDecoder = getDictDecoder(file, bufferType, formatOptions,
|
||||
dictOptions);
|
||||
now = System.currentTimeMillis();
|
||||
dict = dictDecoder.readDictionaryBinary(null, false /* deleteDictIfBroken */);
|
||||
diff = System.currentTimeMillis() - now;
|
||||
|
@ -286,7 +314,8 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
checkDictionary(dict, words, bigrams, shortcuts);
|
||||
|
||||
final long write = timeWritingDictToFile(file, dict, formatOptions);
|
||||
final long read = timeReadingAndCheckDict(file, words, bigrams, shortcuts, bufferType);
|
||||
final long read = timeReadingAndCheckDict(file, words, bigrams, shortcuts, bufferType,
|
||||
formatOptions, dict.mOptions);
|
||||
|
||||
return "PROF: read=" + read + "ms, write=" + write + "ms :" + message
|
||||
+ " : " + outputOptions(bufferType, formatOptions);
|
||||
|
@ -330,6 +359,8 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
runReadAndWriteTests(results, USE_BYTE_BUFFER, VERSION2);
|
||||
runReadAndWriteTests(results, USE_BYTE_BUFFER, VERSION3_WITHOUT_DYNAMIC_UPDATE);
|
||||
runReadAndWriteTests(results, USE_BYTE_BUFFER, VERSION3_WITH_DYNAMIC_UPDATE);
|
||||
runReadAndWriteTests(results, USE_BYTE_BUFFER, VERSION4_WITHOUT_DYNAMIC_UPDATE);
|
||||
runReadAndWriteTests(results, USE_BYTE_BUFFER, VERSION4_WITH_DYNAMIC_UPDATE);
|
||||
|
||||
for (final String result : results) {
|
||||
Log.d(TAG, result);
|
||||
|
@ -342,6 +373,8 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
runReadAndWriteTests(results, USE_BYTE_ARRAY, VERSION2);
|
||||
runReadAndWriteTests(results, USE_BYTE_ARRAY, VERSION3_WITHOUT_DYNAMIC_UPDATE);
|
||||
runReadAndWriteTests(results, USE_BYTE_ARRAY, VERSION3_WITH_DYNAMIC_UPDATE);
|
||||
runReadAndWriteTests(results, USE_BYTE_ARRAY, VERSION4_WITHOUT_DYNAMIC_UPDATE);
|
||||
runReadAndWriteTests(results, USE_BYTE_ARRAY, VERSION4_WITH_DYNAMIC_UPDATE);
|
||||
|
||||
for (final String result : results) {
|
||||
Log.d(TAG, result);
|
||||
|
@ -397,7 +430,8 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
}
|
||||
|
||||
private long timeAndCheckReadUnigramsAndBigramsBinary(final File file, final List<String> words,
|
||||
final SparseArray<List<Integer>> bigrams, final int bufferType) {
|
||||
final SparseArray<List<Integer>> bigrams, final int bufferType,
|
||||
final FormatOptions formatOptions, final DictionaryOptions dictOptions) {
|
||||
FileInputStream inStream = null;
|
||||
|
||||
final TreeMap<Integer, String> resultWords = CollectionUtils.newTreeMap();
|
||||
|
@ -407,7 +441,8 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
|
||||
long now = -1, diff = -1;
|
||||
try {
|
||||
final DictDecoder dictDecoder = FormatSpec.getDictDecoder(file, bufferType);
|
||||
final DictDecoder dictDecoder = getDictDecoder(file, bufferType, formatOptions,
|
||||
dictOptions);
|
||||
now = System.currentTimeMillis();
|
||||
dictDecoder.readUnigramsAndBigramsBinary(resultWords, resultFreqs, resultBigrams);
|
||||
diff = System.currentTimeMillis() - now;
|
||||
|
@ -444,9 +479,10 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
|
||||
timeWritingDictToFile(file, dict, formatOptions);
|
||||
|
||||
long wordMap = timeAndCheckReadUnigramsAndBigramsBinary(file, words, bigrams, bufferType);
|
||||
long wordMap = timeAndCheckReadUnigramsAndBigramsBinary(file, words, bigrams, bufferType,
|
||||
formatOptions, dict.mOptions);
|
||||
long fullReading = timeReadingAndCheckDict(file, words, bigrams, null /* shortcutMap */,
|
||||
bufferType);
|
||||
bufferType, formatOptions, dict.mOptions);
|
||||
|
||||
return "readDictionaryBinary=" + fullReading + ", readUnigramsAndBigramsBinary=" + wordMap
|
||||
+ " : " + message + " : " + outputOptions(bufferType, formatOptions);
|
||||
|
@ -468,6 +504,8 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
runReadUnigramsAndBigramsTests(results, USE_BYTE_BUFFER, VERSION2);
|
||||
runReadUnigramsAndBigramsTests(results, USE_BYTE_BUFFER, VERSION3_WITHOUT_DYNAMIC_UPDATE);
|
||||
runReadUnigramsAndBigramsTests(results, USE_BYTE_BUFFER, VERSION3_WITH_DYNAMIC_UPDATE);
|
||||
runReadUnigramsAndBigramsTests(results, USE_BYTE_BUFFER, VERSION4_WITHOUT_DYNAMIC_UPDATE);
|
||||
runReadUnigramsAndBigramsTests(results, USE_BYTE_BUFFER, VERSION4_WITH_DYNAMIC_UPDATE);
|
||||
|
||||
for (final String result : results) {
|
||||
Log.d(TAG, result);
|
||||
|
@ -480,6 +518,8 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
runReadUnigramsAndBigramsTests(results, USE_BYTE_ARRAY, VERSION2);
|
||||
runReadUnigramsAndBigramsTests(results, USE_BYTE_ARRAY, VERSION3_WITHOUT_DYNAMIC_UPDATE);
|
||||
runReadUnigramsAndBigramsTests(results, USE_BYTE_ARRAY, VERSION3_WITH_DYNAMIC_UPDATE);
|
||||
runReadUnigramsAndBigramsTests(results, USE_BYTE_ARRAY, VERSION4_WITHOUT_DYNAMIC_UPDATE);
|
||||
runReadUnigramsAndBigramsTests(results, USE_BYTE_ARRAY, VERSION4_WITH_DYNAMIC_UPDATE);
|
||||
|
||||
for (final String result : results) {
|
||||
Log.d(TAG, result);
|
||||
|
@ -503,7 +543,7 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
address, fileHeader.mFormatOptions).mWord;
|
||||
}
|
||||
|
||||
private long runGetTerminalPosition(final DictDecoder dictDecoder, final String word,
|
||||
private long checkGetTerminalPosition(final DictDecoder dictDecoder, final String word,
|
||||
int index, boolean contained) {
|
||||
final int expectedFrequency = (UNIGRAM_FREQ + index) % 255;
|
||||
long diff = -1;
|
||||
|
@ -523,7 +563,9 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
return diff;
|
||||
}
|
||||
|
||||
public void testGetTerminalPosition() {
|
||||
private void runGetTerminalPosition(final ArrayList<String> words,
|
||||
final SparseArray<List<Integer>> bigrams, final int bufferType,
|
||||
final FormatOptions formatOptions, final String message) {
|
||||
final String dictName = "testGetTerminalPosition";
|
||||
final String dictVersion = Long.toString(System.currentTimeMillis());
|
||||
final File file = setUpDictionaryFile(dictName, dictVersion);
|
||||
|
@ -531,16 +573,18 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
|
||||
getDictionaryOptions(dictName, dictVersion));
|
||||
addUnigrams(sWords.size(), dict, sWords, null /* shortcutMap */);
|
||||
timeWritingDictToFile(file, dict, VERSION3_WITH_DYNAMIC_UPDATE);
|
||||
addBigrams(dict, words, bigrams);
|
||||
timeWritingDictToFile(file, dict, formatOptions);
|
||||
|
||||
final DictDecoder dictDecoder = FormatSpec.getDictDecoder(file, DictDecoder.USE_BYTEARRAY);
|
||||
final DictDecoder dictDecoder = getDictDecoder(file, DictDecoder.USE_BYTEARRAY,
|
||||
formatOptions, dict.mOptions);
|
||||
try {
|
||||
dictDecoder.openDictBuffer();
|
||||
} catch (IOException e) {
|
||||
// ignore
|
||||
Log.e(TAG, "IOException while opening the buffer", e);
|
||||
}
|
||||
assertTrue("Can't get the buffer", dictDecoder.isOpenedDictBuffer());
|
||||
assertTrue("Can't get the buffer", dictDecoder.isDictBufferOpen());
|
||||
|
||||
try {
|
||||
// too long word
|
||||
|
@ -559,10 +603,11 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
// Test a word that is contained within the dictionary.
|
||||
long sum = 0;
|
||||
for (int i = 0; i < sWords.size(); ++i) {
|
||||
final long time = runGetTerminalPosition(dictDecoder, sWords.get(i), i, true);
|
||||
final long time = checkGetTerminalPosition(dictDecoder, sWords.get(i), i, true);
|
||||
sum += time == -1 ? 0 : time;
|
||||
}
|
||||
Log.d(TAG, "per a search : " + (((double)sum) / sWords.size() / 1000000));
|
||||
Log.d(TAG, "per search : " + (((double)sum) / sWords.size() / 1000000) + " : " + message
|
||||
+ " : " + outputOptions(bufferType, formatOptions));
|
||||
|
||||
// Test a word that isn't contained within the dictionary.
|
||||
final Random random = new Random((int)System.currentTimeMillis());
|
||||
|
@ -571,7 +616,32 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
for (int i = 0; i < 1000; ++i) {
|
||||
final String word = CodePointUtils.generateWord(random, codePointSet);
|
||||
if (sWords.indexOf(word) != -1) continue;
|
||||
runGetTerminalPosition(dictDecoder, word, i, false);
|
||||
checkGetTerminalPosition(dictDecoder, word, i, false);
|
||||
}
|
||||
}
|
||||
|
||||
private void runGetTerminalPositionTests(final ArrayList<String> results, final int bufferType,
|
||||
final FormatOptions formatOptions) {
|
||||
runGetTerminalPosition(sWords, sEmptyBigrams, bufferType, formatOptions, "unigram");
|
||||
}
|
||||
|
||||
public void testGetTerminalPosition() {
|
||||
final ArrayList<String> results = CollectionUtils.newArrayList();
|
||||
|
||||
runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION2);
|
||||
runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION3_WITHOUT_DYNAMIC_UPDATE);
|
||||
runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION3_WITH_DYNAMIC_UPDATE);
|
||||
runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION4_WITHOUT_DYNAMIC_UPDATE);
|
||||
runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION4_WITH_DYNAMIC_UPDATE);
|
||||
|
||||
runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION2);
|
||||
runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION3_WITHOUT_DYNAMIC_UPDATE);
|
||||
runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION3_WITH_DYNAMIC_UPDATE);
|
||||
runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION4_WITHOUT_DYNAMIC_UPDATE);
|
||||
runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION4_WITH_DYNAMIC_UPDATE);
|
||||
|
||||
for (final String result : results) {
|
||||
Log.d(TAG, result);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -593,7 +663,7 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
|||
// ignore
|
||||
Log.e(TAG, "IOException while opening the buffer", e);
|
||||
}
|
||||
assertTrue("Can't get the buffer", dictDecoder.isOpenedDictBuffer());
|
||||
assertTrue("Can't get the buffer", dictDecoder.isDictBufferOpen());
|
||||
|
||||
try {
|
||||
MoreAsserts.assertNotEqual(FormatSpec.NOT_VALID_WORD,
|
||||
|
|
Loading…
Reference in New Issue