mirror of
https://gitlab.futo.org/keyboard/latinime.git
synced 2024-09-28 14:54:30 +01:00
Merge "Move some methods in BinaryDictIOUtils to DynamicBinaryDictIOUtils."
This commit is contained in:
Ken Wakasa
Android (Google) Code Review
commit
8e398e2147
@ -32,14 +32,12 @@ import java.io.IOException;
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import java.io.OutputStream;
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import java.nio.channels.FileChannel;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Stack;
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public final class BinaryDictIOUtils {
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private static final boolean DBG = false;
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private static final int MAX_JUMPS = 10000;
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private BinaryDictIOUtils() {
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// This utility class is not publicly instantiable.
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@ -246,36 +244,10 @@ public final class BinaryDictIOUtils {
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return FormatSpec.NOT_VALID_WORD;
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}
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private static int markAsDeleted(final int flags) {
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return (flags & (~FormatSpec.MASK_GROUP_ADDRESS_TYPE)) | FormatSpec.FLAG_IS_DELETED;
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}
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/**
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* Delete the word from the binary file.
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*
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* @param buffer the buffer to write.
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* @param word the word we delete
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* @throws IOException
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* @throws UnsupportedFormatException
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*/
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@UsedForTesting
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public static void deleteWord(final FusionDictionaryBufferInterface buffer,
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final String word) throws IOException, UnsupportedFormatException {
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buffer.position(0);
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final FileHeader header = BinaryDictInputOutput.readHeader(buffer);
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final int wordPosition = getTerminalPosition(buffer, word);
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if (wordPosition == FormatSpec.NOT_VALID_WORD) return;
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buffer.position(wordPosition);
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final int flags = buffer.readUnsignedByte();
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buffer.position(wordPosition);
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buffer.put((byte)markAsDeleted(flags));
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}
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/**
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* @return the size written, in bytes. Always 3 bytes.
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*/
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private static int writeSInt24ToBuffer(final FusionDictionaryBufferInterface buffer,
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static int writeSInt24ToBuffer(final FusionDictionaryBufferInterface buffer,
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final int value) {
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final int absValue = Math.abs(value);
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buffer.put((byte)(((value < 0 ? 0x80 : 0) | (absValue >> 16)) & 0xFF));
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@ -287,7 +259,7 @@ public final class BinaryDictIOUtils {
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/**
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* @return the size written, in bytes. Always 3 bytes.
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*/
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private static int writeSInt24ToStream(final OutputStream destination, final int value)
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static int writeSInt24ToStream(final OutputStream destination, final int value)
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throws IOException {
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final int absValue = Math.abs(value);
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destination.write((byte)(((value < 0 ? 0x80 : 0) | (absValue >> 16)) & 0xFF));
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@ -318,39 +290,7 @@ public final class BinaryDictIOUtils {
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return BinaryDictInputOutput.getByteSize(value);
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}
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/**
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* Update a parent address in a CharGroup that is referred to by groupOriginAddress.
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*
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* @param buffer the buffer to write.
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* @param groupOriginAddress the address of the group.
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* @param newParentAddress the absolute address of the parent.
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* @param formatOptions file format options.
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*/
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public static void updateParentAddress(final FusionDictionaryBufferInterface buffer,
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final int groupOriginAddress, final int newParentAddress,
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final FormatOptions formatOptions) {
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final int originalPosition = buffer.position();
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buffer.position(groupOriginAddress);
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if (!formatOptions.mSupportsDynamicUpdate) {
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throw new RuntimeException("this file format does not support parent addresses");
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}
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final int flags = buffer.readUnsignedByte();
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if (BinaryDictInputOutput.isMovedGroup(flags, formatOptions)) {
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// if the group is moved, the parent address is stored in the destination group.
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// We are guaranteed to process the destination group later, so there is no need to
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// update anything here.
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buffer.position(originalPosition);
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return;
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}
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if (DBG) {
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MakedictLog.d("update parent address flags=" + flags + ", " + groupOriginAddress);
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}
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final int parentOffset = newParentAddress - groupOriginAddress;
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writeSInt24ToBuffer(buffer, parentOffset);
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buffer.position(originalPosition);
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}
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private static void skipCharGroup(final FusionDictionaryBufferInterface buffer,
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static void skipCharGroup(final FusionDictionaryBufferInterface buffer,
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final FormatOptions formatOptions) {
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final int flags = buffer.readUnsignedByte();
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BinaryDictInputOutput.readParentAddress(buffer, formatOptions);
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@ -385,33 +325,7 @@ public final class BinaryDictIOUtils {
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}
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}
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/**
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* Update parent addresses in a Node that is referred to by nodeOriginAddress.
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*
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* @param buffer the buffer to be modified.
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* @param nodeOriginAddress the address of a modified Node.
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* @param newParentAddress the address to be written.
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* @param formatOptions file format options.
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*/
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public static void updateParentAddresses(final FusionDictionaryBufferInterface buffer,
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final int nodeOriginAddress, final int newParentAddress,
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final FormatOptions formatOptions) {
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final int originalPosition = buffer.position();
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buffer.position(nodeOriginAddress);
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do {
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final int count = BinaryDictInputOutput.readCharGroupCount(buffer);
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for (int i = 0; i < count; ++i) {
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updateParentAddress(buffer, buffer.position(), newParentAddress, formatOptions);
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skipCharGroup(buffer, formatOptions);
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}
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final int forwardLinkAddress = buffer.readUnsignedInt24();
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buffer.position(forwardLinkAddress);
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} while (formatOptions.mSupportsDynamicUpdate
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&& buffer.position() != FormatSpec.NO_FORWARD_LINK_ADDRESS);
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buffer.position(originalPosition);
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}
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private static void skipString(final FusionDictionaryBufferInterface buffer,
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static void skipString(final FusionDictionaryBufferInterface buffer,
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final boolean hasMultipleChars) {
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if (hasMultipleChars) {
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int character = CharEncoding.readChar(buffer);
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@ -452,29 +366,6 @@ public final class BinaryDictIOUtils {
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return size;
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}
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/**
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* Update a children address in a CharGroup that is addressed by groupOriginAddress.
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*
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* @param buffer the buffer to write.
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* @param groupOriginAddress the address of the group.
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* @param newChildrenAddress the absolute address of the child.
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* @param formatOptions file format options.
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*/
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public static void updateChildrenAddress(final FusionDictionaryBufferInterface buffer,
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final int groupOriginAddress, final int newChildrenAddress,
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final FormatOptions formatOptions) {
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final int originalPosition = buffer.position();
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buffer.position(groupOriginAddress);
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final int flags = buffer.readUnsignedByte();
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final int parentAddress = BinaryDictInputOutput.readParentAddress(buffer, formatOptions);
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skipString(buffer, (flags & FormatSpec.FLAG_HAS_MULTIPLE_CHARS) != 0);
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if ((flags & FormatSpec.FLAG_IS_TERMINAL) != 0) buffer.readUnsignedByte();
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final int childrenOffset = newChildrenAddress == FormatSpec.NO_CHILDREN_ADDRESS
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? FormatSpec.NO_CHILDREN_ADDRESS : newChildrenAddress - buffer.position();
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writeSInt24ToBuffer(buffer, childrenOffset);
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buffer.position(originalPosition);
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}
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/**
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* Write a char group to an output stream.
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* A char group is an in-memory representation of a node in trie.
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@ -567,52 +458,10 @@ public final class BinaryDictIOUtils {
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return size;
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}
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@SuppressWarnings("unused")
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private static void updateForwardLink(final FusionDictionaryBufferInterface buffer,
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final int nodeOriginAddress, final int newNodeAddress,
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final FormatOptions formatOptions) {
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buffer.position(nodeOriginAddress);
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int jumpCount = 0;
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while (jumpCount++ < MAX_JUMPS) {
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final int count = BinaryDictInputOutput.readCharGroupCount(buffer);
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for (int i = 0; i < count; ++i) skipCharGroup(buffer, formatOptions);
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final int forwardLinkAddress = buffer.readUnsignedInt24();
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if (forwardLinkAddress == FormatSpec.NO_FORWARD_LINK_ADDRESS) {
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buffer.position(buffer.position() - FormatSpec.FORWARD_LINK_ADDRESS_SIZE);
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writeSInt24ToBuffer(buffer, newNodeAddress);
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return;
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}
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buffer.position(forwardLinkAddress);
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}
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if (DBG && jumpCount >= MAX_JUMPS) {
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throw new RuntimeException("too many jumps, probably a bug.");
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}
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}
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/**
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* Helper method to move a char group to the tail of the file.
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*/
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private static int moveCharGroup(final OutputStream destination,
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final FusionDictionaryBufferInterface buffer, final CharGroupInfo info,
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final int nodeOriginAddress, final int oldGroupAddress,
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final FormatOptions formatOptions) throws IOException {
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updateParentAddress(buffer, oldGroupAddress, buffer.limit() + 1, formatOptions);
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buffer.position(oldGroupAddress);
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final int currentFlags = buffer.readUnsignedByte();
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buffer.position(oldGroupAddress);
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buffer.put((byte)(FormatSpec.FLAG_IS_MOVED | (currentFlags
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& (~FormatSpec.MASK_MOVE_AND_DELETE_FLAG))));
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int size = FormatSpec.GROUP_FLAGS_SIZE;
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updateForwardLink(buffer, nodeOriginAddress, buffer.limit(), formatOptions);
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size += writeNode(destination, new CharGroupInfo[] { info });
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return size;
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}
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/**
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* Compute the size of the char group.
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*/
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private static int computeGroupSize(final CharGroupInfo info,
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final FormatOptions formatOptions) {
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static int computeGroupSize(final CharGroupInfo info, final FormatOptions formatOptions) {
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int size = FormatSpec.GROUP_FLAGS_SIZE + FormatSpec.PARENT_ADDRESS_SIZE
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+ BinaryDictInputOutput.getGroupCharactersSize(info.mCharacters)
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+ BinaryDictInputOutput.getChildrenAddressSize(info.mFlags, formatOptions);
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@ -639,7 +488,7 @@ public final class BinaryDictIOUtils {
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* @return the size written, in bytes.
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* @throws IOException
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*/
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private static int writeNode(final OutputStream destination, final CharGroupInfo[] infos)
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static int writeNode(final OutputStream destination, final CharGroupInfo[] infos)
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throws IOException {
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int size = BinaryDictInputOutput.getGroupCountSize(infos.length);
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switch (BinaryDictInputOutput.getGroupCountSize(infos.length)) {
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@ -658,306 +507,6 @@ public final class BinaryDictIOUtils {
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return size + FormatSpec.FORWARD_LINK_ADDRESS_SIZE;
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}
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/**
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* Move a group that is referred to by oldGroupOrigin to the tail of the file.
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* And set the children address to the byte after the group.
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*
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* @param nodeOrigin the address of the tail of the file.
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* @param characters
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* @param length
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* @param flags
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* @param frequency
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* @param parentAddress
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* @param shortcutTargets
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* @param bigrams
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* @param destination the stream representing the tail of the file.
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* @param buffer the buffer representing the (constant-size) body of the file.
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* @param oldNodeOrigin
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* @param oldGroupOrigin
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* @param formatOptions
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* @return the size written, in bytes.
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* @throws IOException
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*/
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private static int moveGroup(final int nodeOrigin, final int[] characters, final int length,
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final int flags, final int frequency, final int parentAddress,
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final ArrayList<WeightedString> shortcutTargets,
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final ArrayList<PendingAttribute> bigrams, final OutputStream destination,
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final FusionDictionaryBufferInterface buffer, final int oldNodeOrigin,
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final int oldGroupOrigin, final FormatOptions formatOptions) throws IOException {
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int size = 0;
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final int newGroupOrigin = nodeOrigin + 1;
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final int[] writtenCharacters = Arrays.copyOfRange(characters, 0, length);
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final CharGroupInfo tmpInfo = new CharGroupInfo(newGroupOrigin, -1 /* endAddress */,
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flags, writtenCharacters, frequency, parentAddress, FormatSpec.NO_CHILDREN_ADDRESS,
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shortcutTargets, bigrams);
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size = computeGroupSize(tmpInfo, formatOptions);
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final CharGroupInfo newInfo = new CharGroupInfo(newGroupOrigin, newGroupOrigin + size,
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flags, writtenCharacters, frequency, parentAddress,
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nodeOrigin + 1 + size + FormatSpec.FORWARD_LINK_ADDRESS_SIZE, shortcutTargets,
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bigrams);
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moveCharGroup(destination, buffer, newInfo, oldNodeOrigin, oldGroupOrigin, formatOptions);
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return 1 + size + FormatSpec.FORWARD_LINK_ADDRESS_SIZE;
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}
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/**
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* Insert a word into a binary dictionary.
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*
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* @param buffer
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* @param destination
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* @param word
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* @param frequency
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* @param bigramStrings
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* @param shortcuts
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* @throws IOException
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* @throws UnsupportedFormatException
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*/
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// TODO: Support batch insertion.
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// TODO: Remove @UsedForTesting once UserHistoryDictionary is implemented by BinaryDictionary.
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@UsedForTesting
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public static void insertWord(final FusionDictionaryBufferInterface buffer,
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final OutputStream destination, final String word, final int frequency,
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final ArrayList<WeightedString> bigramStrings,
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final ArrayList<WeightedString> shortcuts, final boolean isNotAWord,
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final boolean isBlackListEntry)
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throws IOException, UnsupportedFormatException {
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final ArrayList<PendingAttribute> bigrams = new ArrayList<PendingAttribute>();
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if (bigramStrings != null) {
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for (final WeightedString bigram : bigramStrings) {
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int position = getTerminalPosition(buffer, bigram.mWord);
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if (position == FormatSpec.NOT_VALID_WORD) {
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// TODO: figure out what is the correct thing to do here.
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} else {
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bigrams.add(new PendingAttribute(bigram.mFrequency, position));
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}
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}
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}
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final boolean isTerminal = true;
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final boolean hasBigrams = !bigrams.isEmpty();
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final boolean hasShortcuts = shortcuts != null && !shortcuts.isEmpty();
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// find the insert position of the word.
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if (buffer.position() != 0) buffer.position(0);
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final FileHeader header = BinaryDictInputOutput.readHeader(buffer);
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int wordPos = 0, address = buffer.position(), nodeOriginAddress = buffer.position();
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final int[] codePoints = FusionDictionary.getCodePoints(word);
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final int wordLen = codePoints.length;
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for (int depth = 0; depth < Constants.DICTIONARY_MAX_WORD_LENGTH; ++depth) {
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if (wordPos >= wordLen) break;
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nodeOriginAddress = buffer.position();
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int nodeParentAddress = -1;
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final int charGroupCount = BinaryDictInputOutput.readCharGroupCount(buffer);
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boolean foundNextGroup = false;
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for (int i = 0; i < charGroupCount; ++i) {
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address = buffer.position();
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final CharGroupInfo currentInfo = BinaryDictInputOutput.readCharGroup(buffer,
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buffer.position(), header.mFormatOptions);
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final boolean isMovedGroup = BinaryDictInputOutput.isMovedGroup(currentInfo.mFlags,
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header.mFormatOptions);
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if (isMovedGroup) continue;
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nodeParentAddress = (currentInfo.mParentAddress == FormatSpec.NO_PARENT_ADDRESS)
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? FormatSpec.NO_PARENT_ADDRESS : currentInfo.mParentAddress + address;
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boolean matched = true;
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for (int p = 0; p < currentInfo.mCharacters.length; ++p) {
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if (wordPos + p >= wordLen) {
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/*
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* splitting
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* before
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* abcd - ef
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*
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* insert "abc"
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*
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* after
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* abc - d - ef
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*/
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final int newNodeAddress = buffer.limit();
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final int flags = BinaryDictInputOutput.makeCharGroupFlags(p > 1,
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isTerminal, 0, hasShortcuts, hasBigrams, false /* isNotAWord */,
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false /* isBlackListEntry */, header.mFormatOptions);
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int written = moveGroup(newNodeAddress, currentInfo.mCharacters, p, flags,
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frequency, nodeParentAddress, shortcuts, bigrams, destination,
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buffer, nodeOriginAddress, address, header.mFormatOptions);
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final int[] characters2 = Arrays.copyOfRange(currentInfo.mCharacters, p,
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currentInfo.mCharacters.length);
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if (currentInfo.mChildrenAddress != FormatSpec.NO_CHILDREN_ADDRESS) {
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updateParentAddresses(buffer, currentInfo.mChildrenAddress,
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newNodeAddress + written + 1, header.mFormatOptions);
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}
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final CharGroupInfo newInfo2 = new CharGroupInfo(
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newNodeAddress + written + 1, -1 /* endAddress */,
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currentInfo.mFlags, characters2, currentInfo.mFrequency,
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newNodeAddress + 1, currentInfo.mChildrenAddress,
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currentInfo.mShortcutTargets, currentInfo.mBigrams);
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writeNode(destination, new CharGroupInfo[] { newInfo2 });
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return;
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} else if (codePoints[wordPos + p] != currentInfo.mCharacters[p]) {
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if (p > 0) {
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/*
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* splitting
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* before
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* ab - cd
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*
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* insert "ac"
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*
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* after
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* a - b - cd
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* |
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* - c
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*/
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final int newNodeAddress = buffer.limit();
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final int childrenAddress = currentInfo.mChildrenAddress;
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// move prefix
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final int prefixFlags = BinaryDictInputOutput.makeCharGroupFlags(p > 1,
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false /* isTerminal */, 0 /* childrenAddressSize*/,
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false /* hasShortcut */, false /* hasBigrams */,
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false /* isNotAWord */, false /* isBlackListEntry */,
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header.mFormatOptions);
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int written = moveGroup(newNodeAddress, currentInfo.mCharacters, p,
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prefixFlags, -1 /* frequency */, nodeParentAddress, null, null,
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destination, buffer, nodeOriginAddress, address,
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header.mFormatOptions);
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final int[] suffixCharacters = Arrays.copyOfRange(
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currentInfo.mCharacters, p, currentInfo.mCharacters.length);
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if (currentInfo.mChildrenAddress != FormatSpec.NO_CHILDREN_ADDRESS) {
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updateParentAddresses(buffer, currentInfo.mChildrenAddress,
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newNodeAddress + written + 1, header.mFormatOptions);
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}
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final int suffixFlags = BinaryDictInputOutput.makeCharGroupFlags(
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suffixCharacters.length > 1,
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(currentInfo.mFlags & FormatSpec.FLAG_IS_TERMINAL) != 0,
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0 /* childrenAddressSize */,
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(currentInfo.mFlags & FormatSpec.FLAG_HAS_SHORTCUT_TARGETS)
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!= 0,
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(currentInfo.mFlags & FormatSpec.FLAG_HAS_BIGRAMS) != 0,
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isNotAWord, isBlackListEntry, header.mFormatOptions);
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final CharGroupInfo suffixInfo = new CharGroupInfo(
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newNodeAddress + written + 1, -1 /* endAddress */, suffixFlags,
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suffixCharacters, currentInfo.mFrequency, newNodeAddress + 1,
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currentInfo.mChildrenAddress, currentInfo.mShortcutTargets,
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currentInfo.mBigrams);
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written += computeGroupSize(suffixInfo, header.mFormatOptions) + 1;
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final int[] newCharacters = Arrays.copyOfRange(codePoints, wordPos + p,
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codePoints.length);
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final int flags = BinaryDictInputOutput.makeCharGroupFlags(
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newCharacters.length > 1, isTerminal,
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0 /* childrenAddressSize */, hasShortcuts, hasBigrams,
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isNotAWord, isBlackListEntry, header.mFormatOptions);
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final CharGroupInfo newInfo = new CharGroupInfo(
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newNodeAddress + written, -1 /* endAddress */, flags,
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newCharacters, frequency, newNodeAddress + 1,
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FormatSpec.NO_CHILDREN_ADDRESS, shortcuts, bigrams);
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writeNode(destination, new CharGroupInfo[] { suffixInfo, newInfo });
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return;
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}
|
||||
matched = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (matched) {
|
||||
if (wordPos + currentInfo.mCharacters.length == wordLen) {
|
||||
// the word exists in the dictionary.
|
||||
// only update group.
|
||||
final int newNodeAddress = buffer.limit();
|
||||
final boolean hasMultipleChars = currentInfo.mCharacters.length > 1;
|
||||
final int flags = BinaryDictInputOutput.makeCharGroupFlags(hasMultipleChars,
|
||||
isTerminal, 0 /* childrenAddressSize */, hasShortcuts, hasBigrams,
|
||||
isNotAWord, isBlackListEntry, header.mFormatOptions);
|
||||
final CharGroupInfo newInfo = new CharGroupInfo(newNodeAddress + 1,
|
||||
-1 /* endAddress */, flags, currentInfo.mCharacters, frequency,
|
||||
nodeParentAddress, currentInfo.mChildrenAddress, shortcuts,
|
||||
bigrams);
|
||||
moveCharGroup(destination, buffer, newInfo, nodeOriginAddress, address,
|
||||
header.mFormatOptions);
|
||||
return;
|
||||
}
|
||||
wordPos += currentInfo.mCharacters.length;
|
||||
if (currentInfo.mChildrenAddress == FormatSpec.NO_CHILDREN_ADDRESS) {
|
||||
/*
|
||||
* found the prefix of the word.
|
||||
* make new node and link to the node from this group.
|
||||
*
|
||||
* before
|
||||
* ab - cd
|
||||
*
|
||||
* insert "abcde"
|
||||
*
|
||||
* after
|
||||
* ab - cd - e
|
||||
*/
|
||||
final int newNodeAddress = buffer.limit();
|
||||
updateChildrenAddress(buffer, address, newNodeAddress,
|
||||
header.mFormatOptions);
|
||||
final int newGroupAddress = newNodeAddress + 1;
|
||||
final boolean hasMultipleChars = (wordLen - wordPos) > 1;
|
||||
final int flags = BinaryDictInputOutput.makeCharGroupFlags(hasMultipleChars,
|
||||
isTerminal, 0 /* childrenAddressSize */, hasShortcuts, hasBigrams,
|
||||
isNotAWord, isBlackListEntry, header.mFormatOptions);
|
||||
final int[] characters = Arrays.copyOfRange(codePoints, wordPos, wordLen);
|
||||
final CharGroupInfo newInfo = new CharGroupInfo(newGroupAddress, -1, flags,
|
||||
characters, frequency, address, FormatSpec.NO_CHILDREN_ADDRESS,
|
||||
shortcuts, bigrams);
|
||||
writeNode(destination, new CharGroupInfo[] { newInfo });
|
||||
return;
|
||||
}
|
||||
buffer.position(currentInfo.mChildrenAddress);
|
||||
foundNextGroup = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (foundNextGroup) continue;
|
||||
|
||||
// reached the end of the array.
|
||||
final int linkAddressPosition = buffer.position();
|
||||
int nextLink = buffer.readUnsignedInt24();
|
||||
if ((nextLink & FormatSpec.MSB24) != 0) {
|
||||
nextLink = -(nextLink & FormatSpec.SINT24_MAX);
|
||||
}
|
||||
if (nextLink == FormatSpec.NO_FORWARD_LINK_ADDRESS) {
|
||||
/*
|
||||
* expand this node.
|
||||
*
|
||||
* before
|
||||
* ab - cd
|
||||
*
|
||||
* insert "abef"
|
||||
*
|
||||
* after
|
||||
* ab - cd
|
||||
* |
|
||||
* - ef
|
||||
*/
|
||||
|
||||
// change the forward link address.
|
||||
final int newNodeAddress = buffer.limit();
|
||||
buffer.position(linkAddressPosition);
|
||||
writeSInt24ToBuffer(buffer, newNodeAddress);
|
||||
|
||||
final int[] characters = Arrays.copyOfRange(codePoints, wordPos, wordLen);
|
||||
final int flags = BinaryDictInputOutput.makeCharGroupFlags(characters.length > 1,
|
||||
isTerminal, 0 /* childrenAddressSize */, hasShortcuts, hasBigrams,
|
||||
isNotAWord, isBlackListEntry, header.mFormatOptions);
|
||||
final CharGroupInfo newInfo = new CharGroupInfo(newNodeAddress + 1,
|
||||
-1 /* endAddress */, flags, characters, frequency, nodeParentAddress,
|
||||
FormatSpec.NO_CHILDREN_ADDRESS, shortcuts, bigrams);
|
||||
writeNode(destination, new CharGroupInfo[]{ newInfo });
|
||||
return;
|
||||
} else {
|
||||
depth--;
|
||||
buffer.position(nextLink);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Find a word from the buffer.
|
||||
*
|
||||
|
||||
@ -0,0 +1,493 @@
|
||||
/*
|
||||
* 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.Constants;
|
||||
import com.android.inputmethod.latin.makedict.BinaryDictInputOutput.FusionDictionaryBufferInterface;
|
||||
import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
|
||||
import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
|
||||
import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.OutputStream;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
|
||||
/**
|
||||
* The utility class to help dynamic updates on the binary dictionary.
|
||||
*
|
||||
* All the methods in this class are static.
|
||||
*/
|
||||
@UsedForTesting
|
||||
public final class DynamicBinaryDictIOUtils {
|
||||
private static final boolean DBG = false;
|
||||
private static final int MAX_JUMPS = 10000;
|
||||
|
||||
private DynamicBinaryDictIOUtils() {
|
||||
// This utility class is not publicly instantiable.
|
||||
}
|
||||
|
||||
private static int markAsDeleted(final int flags) {
|
||||
return (flags & (~FormatSpec.MASK_GROUP_ADDRESS_TYPE)) | FormatSpec.FLAG_IS_DELETED;
|
||||
}
|
||||
|
||||
/**
|
||||
* Delete the word from the binary file.
|
||||
*
|
||||
* @param buffer the buffer to write.
|
||||
* @param word the word we delete
|
||||
* @throws IOException
|
||||
* @throws UnsupportedFormatException
|
||||
*/
|
||||
@UsedForTesting
|
||||
public static void deleteWord(final FusionDictionaryBufferInterface buffer,
|
||||
final String word) throws IOException, UnsupportedFormatException {
|
||||
buffer.position(0);
|
||||
final FileHeader header = BinaryDictInputOutput.readHeader(buffer);
|
||||
final int wordPosition = BinaryDictIOUtils.getTerminalPosition(buffer, word);
|
||||
if (wordPosition == FormatSpec.NOT_VALID_WORD) return;
|
||||
|
||||
buffer.position(wordPosition);
|
||||
final int flags = buffer.readUnsignedByte();
|
||||
buffer.position(wordPosition);
|
||||
buffer.put((byte)markAsDeleted(flags));
|
||||
}
|
||||
|
||||
/**
|
||||
* Update a parent address in a CharGroup that is referred to by groupOriginAddress.
|
||||
*
|
||||
* @param buffer the buffer to write.
|
||||
* @param groupOriginAddress the address of the group.
|
||||
* @param newParentAddress the absolute address of the parent.
|
||||
* @param formatOptions file format options.
|
||||
*/
|
||||
public static void updateParentAddress(final FusionDictionaryBufferInterface buffer,
|
||||
final int groupOriginAddress, final int newParentAddress,
|
||||
final FormatOptions formatOptions) {
|
||||
final int originalPosition = buffer.position();
|
||||
buffer.position(groupOriginAddress);
|
||||
if (!formatOptions.mSupportsDynamicUpdate) {
|
||||
throw new RuntimeException("this file format does not support parent addresses");
|
||||
}
|
||||
final int flags = buffer.readUnsignedByte();
|
||||
if (BinaryDictInputOutput.isMovedGroup(flags, formatOptions)) {
|
||||
// if the group is moved, the parent address is stored in the destination group.
|
||||
// We are guaranteed to process the destination group later, so there is no need to
|
||||
// update anything here.
|
||||
buffer.position(originalPosition);
|
||||
return;
|
||||
}
|
||||
if (DBG) {
|
||||
MakedictLog.d("update parent address flags=" + flags + ", " + groupOriginAddress);
|
||||
}
|
||||
final int parentOffset = newParentAddress - groupOriginAddress;
|
||||
BinaryDictIOUtils.writeSInt24ToBuffer(buffer, parentOffset);
|
||||
buffer.position(originalPosition);
|
||||
}
|
||||
|
||||
/**
|
||||
* Update parent addresses in a Node that is referred to by nodeOriginAddress.
|
||||
*
|
||||
* @param buffer the buffer to be modified.
|
||||
* @param nodeOriginAddress the address of a modified Node.
|
||||
* @param newParentAddress the address to be written.
|
||||
* @param formatOptions file format options.
|
||||
*/
|
||||
public static void updateParentAddresses(final FusionDictionaryBufferInterface buffer,
|
||||
final int nodeOriginAddress, final int newParentAddress,
|
||||
final FormatOptions formatOptions) {
|
||||
final int originalPosition = buffer.position();
|
||||
buffer.position(nodeOriginAddress);
|
||||
do {
|
||||
final int count = BinaryDictInputOutput.readCharGroupCount(buffer);
|
||||
for (int i = 0; i < count; ++i) {
|
||||
updateParentAddress(buffer, buffer.position(), newParentAddress, formatOptions);
|
||||
BinaryDictIOUtils.skipCharGroup(buffer, formatOptions);
|
||||
}
|
||||
final int forwardLinkAddress = buffer.readUnsignedInt24();
|
||||
buffer.position(forwardLinkAddress);
|
||||
} while (formatOptions.mSupportsDynamicUpdate
|
||||
&& buffer.position() != FormatSpec.NO_FORWARD_LINK_ADDRESS);
|
||||
buffer.position(originalPosition);
|
||||
}
|
||||
|
||||
/**
|
||||
* Update a children address in a CharGroup that is addressed by groupOriginAddress.
|
||||
*
|
||||
* @param buffer the buffer to write.
|
||||
* @param groupOriginAddress the address of the group.
|
||||
* @param newChildrenAddress the absolute address of the child.
|
||||
* @param formatOptions file format options.
|
||||
*/
|
||||
public static void updateChildrenAddress(final FusionDictionaryBufferInterface buffer,
|
||||
final int groupOriginAddress, final int newChildrenAddress,
|
||||
final FormatOptions formatOptions) {
|
||||
final int originalPosition = buffer.position();
|
||||
buffer.position(groupOriginAddress);
|
||||
final int flags = buffer.readUnsignedByte();
|
||||
final int parentAddress = BinaryDictInputOutput.readParentAddress(buffer, formatOptions);
|
||||
BinaryDictIOUtils.skipString(buffer, (flags & FormatSpec.FLAG_HAS_MULTIPLE_CHARS) != 0);
|
||||
if ((flags & FormatSpec.FLAG_IS_TERMINAL) != 0) buffer.readUnsignedByte();
|
||||
final int childrenOffset = newChildrenAddress == FormatSpec.NO_CHILDREN_ADDRESS
|
||||
? FormatSpec.NO_CHILDREN_ADDRESS : newChildrenAddress - buffer.position();
|
||||
BinaryDictIOUtils.writeSInt24ToBuffer(buffer, childrenOffset);
|
||||
buffer.position(originalPosition);
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper method to move a char group to the tail of the file.
|
||||
*/
|
||||
private static int moveCharGroup(final OutputStream destination,
|
||||
final FusionDictionaryBufferInterface buffer, final CharGroupInfo info,
|
||||
final int nodeOriginAddress, final int oldGroupAddress,
|
||||
final FormatOptions formatOptions) throws IOException {
|
||||
updateParentAddress(buffer, oldGroupAddress, buffer.limit() + 1, formatOptions);
|
||||
buffer.position(oldGroupAddress);
|
||||
final int currentFlags = buffer.readUnsignedByte();
|
||||
buffer.position(oldGroupAddress);
|
||||
buffer.put((byte)(FormatSpec.FLAG_IS_MOVED | (currentFlags
|
||||
& (~FormatSpec.MASK_MOVE_AND_DELETE_FLAG))));
|
||||
int size = FormatSpec.GROUP_FLAGS_SIZE;
|
||||
updateForwardLink(buffer, nodeOriginAddress, buffer.limit(), formatOptions);
|
||||
size += BinaryDictIOUtils.writeNode(destination, new CharGroupInfo[] { info });
|
||||
return size;
|
||||
}
|
||||
@SuppressWarnings("unused")
|
||||
private static void updateForwardLink(final FusionDictionaryBufferInterface buffer,
|
||||
final int nodeOriginAddress, final int newNodeAddress,
|
||||
final FormatOptions formatOptions) {
|
||||
buffer.position(nodeOriginAddress);
|
||||
int jumpCount = 0;
|
||||
while (jumpCount++ < MAX_JUMPS) {
|
||||
final int count = BinaryDictInputOutput.readCharGroupCount(buffer);
|
||||
for (int i = 0; i < count; ++i) BinaryDictIOUtils.skipCharGroup(buffer, formatOptions);
|
||||
final int forwardLinkAddress = buffer.readUnsignedInt24();
|
||||
if (forwardLinkAddress == FormatSpec.NO_FORWARD_LINK_ADDRESS) {
|
||||
buffer.position(buffer.position() - FormatSpec.FORWARD_LINK_ADDRESS_SIZE);
|
||||
BinaryDictIOUtils.writeSInt24ToBuffer(buffer, newNodeAddress);
|
||||
return;
|
||||
}
|
||||
buffer.position(forwardLinkAddress);
|
||||
}
|
||||
if (DBG && jumpCount >= MAX_JUMPS) {
|
||||
throw new RuntimeException("too many jumps, probably a bug.");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Move a group that is referred to by oldGroupOrigin to the tail of the file.
|
||||
* And set the children address to the byte after the group.
|
||||
*
|
||||
* @param nodeOrigin the address of the tail of the file.
|
||||
* @param characters
|
||||
* @param length
|
||||
* @param flags
|
||||
* @param frequency
|
||||
* @param parentAddress
|
||||
* @param shortcutTargets
|
||||
* @param bigrams
|
||||
* @param destination the stream representing the tail of the file.
|
||||
* @param buffer the buffer representing the (constant-size) body of the file.
|
||||
* @param oldNodeOrigin
|
||||
* @param oldGroupOrigin
|
||||
* @param formatOptions
|
||||
* @return the size written, in bytes.
|
||||
* @throws IOException
|
||||
*/
|
||||
private static int moveGroup(final int nodeOrigin, final int[] characters, final int length,
|
||||
final int flags, final int frequency, final int parentAddress,
|
||||
final ArrayList<WeightedString> shortcutTargets,
|
||||
final ArrayList<PendingAttribute> bigrams, final OutputStream destination,
|
||||
final FusionDictionaryBufferInterface buffer, final int oldNodeOrigin,
|
||||
final int oldGroupOrigin, final FormatOptions formatOptions) throws IOException {
|
||||
int size = 0;
|
||||
final int newGroupOrigin = nodeOrigin + 1;
|
||||
final int[] writtenCharacters = Arrays.copyOfRange(characters, 0, length);
|
||||
final CharGroupInfo tmpInfo = new CharGroupInfo(newGroupOrigin, -1 /* endAddress */,
|
||||
flags, writtenCharacters, frequency, parentAddress, FormatSpec.NO_CHILDREN_ADDRESS,
|
||||
shortcutTargets, bigrams);
|
||||
size = BinaryDictIOUtils.computeGroupSize(tmpInfo, formatOptions);
|
||||
final CharGroupInfo newInfo = new CharGroupInfo(newGroupOrigin, newGroupOrigin + size,
|
||||
flags, writtenCharacters, frequency, parentAddress,
|
||||
nodeOrigin + 1 + size + FormatSpec.FORWARD_LINK_ADDRESS_SIZE, shortcutTargets,
|
||||
bigrams);
|
||||
moveCharGroup(destination, buffer, newInfo, oldNodeOrigin, oldGroupOrigin, formatOptions);
|
||||
return 1 + size + FormatSpec.FORWARD_LINK_ADDRESS_SIZE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Insert a word into a binary dictionary.
|
||||
*
|
||||
* @param buffer
|
||||
* @param destination
|
||||
* @param word
|
||||
* @param frequency
|
||||
* @param bigramStrings
|
||||
* @param shortcuts
|
||||
* @throws IOException
|
||||
* @throws UnsupportedFormatException
|
||||
*/
|
||||
// TODO: Support batch insertion.
|
||||
// TODO: Remove @UsedForTesting once UserHistoryDictionary is implemented by BinaryDictionary.
|
||||
@UsedForTesting
|
||||
public static void insertWord(final FusionDictionaryBufferInterface buffer,
|
||||
final OutputStream destination, final String word, final int frequency,
|
||||
final ArrayList<WeightedString> bigramStrings,
|
||||
final ArrayList<WeightedString> shortcuts, final boolean isNotAWord,
|
||||
final boolean isBlackListEntry)
|
||||
throws IOException, UnsupportedFormatException {
|
||||
final ArrayList<PendingAttribute> bigrams = new ArrayList<PendingAttribute>();
|
||||
if (bigramStrings != null) {
|
||||
for (final WeightedString bigram : bigramStrings) {
|
||||
int position = BinaryDictIOUtils.getTerminalPosition(buffer, bigram.mWord);
|
||||
if (position == FormatSpec.NOT_VALID_WORD) {
|
||||
// TODO: figure out what is the correct thing to do here.
|
||||
} else {
|
||||
bigrams.add(new PendingAttribute(bigram.mFrequency, position));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
final boolean isTerminal = true;
|
||||
final boolean hasBigrams = !bigrams.isEmpty();
|
||||
final boolean hasShortcuts = shortcuts != null && !shortcuts.isEmpty();
|
||||
|
||||
// find the insert position of the word.
|
||||
if (buffer.position() != 0) buffer.position(0);
|
||||
final FileHeader header = BinaryDictInputOutput.readHeader(buffer);
|
||||
|
||||
int wordPos = 0, address = buffer.position(), nodeOriginAddress = buffer.position();
|
||||
final int[] codePoints = FusionDictionary.getCodePoints(word);
|
||||
final int wordLen = codePoints.length;
|
||||
|
||||
for (int depth = 0; depth < Constants.DICTIONARY_MAX_WORD_LENGTH; ++depth) {
|
||||
if (wordPos >= wordLen) break;
|
||||
nodeOriginAddress = buffer.position();
|
||||
int nodeParentAddress = -1;
|
||||
final int charGroupCount = BinaryDictInputOutput.readCharGroupCount(buffer);
|
||||
boolean foundNextGroup = false;
|
||||
|
||||
for (int i = 0; i < charGroupCount; ++i) {
|
||||
address = buffer.position();
|
||||
final CharGroupInfo currentInfo = BinaryDictInputOutput.readCharGroup(buffer,
|
||||
buffer.position(), header.mFormatOptions);
|
||||
final boolean isMovedGroup = BinaryDictInputOutput.isMovedGroup(currentInfo.mFlags,
|
||||
header.mFormatOptions);
|
||||
if (isMovedGroup) continue;
|
||||
nodeParentAddress = (currentInfo.mParentAddress == FormatSpec.NO_PARENT_ADDRESS)
|
||||
? FormatSpec.NO_PARENT_ADDRESS : currentInfo.mParentAddress + address;
|
||||
boolean matched = true;
|
||||
for (int p = 0; p < currentInfo.mCharacters.length; ++p) {
|
||||
if (wordPos + p >= wordLen) {
|
||||
/*
|
||||
* splitting
|
||||
* before
|
||||
* abcd - ef
|
||||
*
|
||||
* insert "abc"
|
||||
*
|
||||
* after
|
||||
* abc - d - ef
|
||||
*/
|
||||
final int newNodeAddress = buffer.limit();
|
||||
final int flags = BinaryDictInputOutput.makeCharGroupFlags(p > 1,
|
||||
isTerminal, 0, hasShortcuts, hasBigrams, false /* isNotAWord */,
|
||||
false /* isBlackListEntry */, header.mFormatOptions);
|
||||
int written = moveGroup(newNodeAddress, currentInfo.mCharacters, p, flags,
|
||||
frequency, nodeParentAddress, shortcuts, bigrams, destination,
|
||||
buffer, nodeOriginAddress, address, header.mFormatOptions);
|
||||
|
||||
final int[] characters2 = Arrays.copyOfRange(currentInfo.mCharacters, p,
|
||||
currentInfo.mCharacters.length);
|
||||
if (currentInfo.mChildrenAddress != FormatSpec.NO_CHILDREN_ADDRESS) {
|
||||
updateParentAddresses(buffer, currentInfo.mChildrenAddress,
|
||||
newNodeAddress + written + 1, header.mFormatOptions);
|
||||
}
|
||||
final CharGroupInfo newInfo2 = new CharGroupInfo(
|
||||
newNodeAddress + written + 1, -1 /* endAddress */,
|
||||
currentInfo.mFlags, characters2, currentInfo.mFrequency,
|
||||
newNodeAddress + 1, currentInfo.mChildrenAddress,
|
||||
currentInfo.mShortcutTargets, currentInfo.mBigrams);
|
||||
BinaryDictIOUtils.writeNode(destination, new CharGroupInfo[] { newInfo2 });
|
||||
return;
|
||||
} else if (codePoints[wordPos + p] != currentInfo.mCharacters[p]) {
|
||||
if (p > 0) {
|
||||
/*
|
||||
* splitting
|
||||
* before
|
||||
* ab - cd
|
||||
*
|
||||
* insert "ac"
|
||||
*
|
||||
* after
|
||||
* a - b - cd
|
||||
* |
|
||||
* - c
|
||||
*/
|
||||
|
||||
final int newNodeAddress = buffer.limit();
|
||||
final int childrenAddress = currentInfo.mChildrenAddress;
|
||||
|
||||
// move prefix
|
||||
final int prefixFlags = BinaryDictInputOutput.makeCharGroupFlags(p > 1,
|
||||
false /* isTerminal */, 0 /* childrenAddressSize*/,
|
||||
false /* hasShortcut */, false /* hasBigrams */,
|
||||
false /* isNotAWord */, false /* isBlackListEntry */,
|
||||
header.mFormatOptions);
|
||||
int written = moveGroup(newNodeAddress, currentInfo.mCharacters, p,
|
||||
prefixFlags, -1 /* frequency */, nodeParentAddress, null, null,
|
||||
destination, buffer, nodeOriginAddress, address,
|
||||
header.mFormatOptions);
|
||||
|
||||
final int[] suffixCharacters = Arrays.copyOfRange(
|
||||
currentInfo.mCharacters, p, currentInfo.mCharacters.length);
|
||||
if (currentInfo.mChildrenAddress != FormatSpec.NO_CHILDREN_ADDRESS) {
|
||||
updateParentAddresses(buffer, currentInfo.mChildrenAddress,
|
||||
newNodeAddress + written + 1, header.mFormatOptions);
|
||||
}
|
||||
final int suffixFlags = BinaryDictInputOutput.makeCharGroupFlags(
|
||||
suffixCharacters.length > 1,
|
||||
(currentInfo.mFlags & FormatSpec.FLAG_IS_TERMINAL) != 0,
|
||||
0 /* childrenAddressSize */,
|
||||
(currentInfo.mFlags & FormatSpec.FLAG_HAS_SHORTCUT_TARGETS)
|
||||
!= 0,
|
||||
(currentInfo.mFlags & FormatSpec.FLAG_HAS_BIGRAMS) != 0,
|
||||
isNotAWord, isBlackListEntry, header.mFormatOptions);
|
||||
final CharGroupInfo suffixInfo = new CharGroupInfo(
|
||||
newNodeAddress + written + 1, -1 /* endAddress */, suffixFlags,
|
||||
suffixCharacters, currentInfo.mFrequency, newNodeAddress + 1,
|
||||
currentInfo.mChildrenAddress, currentInfo.mShortcutTargets,
|
||||
currentInfo.mBigrams);
|
||||
written += BinaryDictIOUtils.computeGroupSize(suffixInfo,
|
||||
header.mFormatOptions) + 1;
|
||||
|
||||
final int[] newCharacters = Arrays.copyOfRange(codePoints, wordPos + p,
|
||||
codePoints.length);
|
||||
final int flags = BinaryDictInputOutput.makeCharGroupFlags(
|
||||
newCharacters.length > 1, isTerminal,
|
||||
0 /* childrenAddressSize */, hasShortcuts, hasBigrams,
|
||||
isNotAWord, isBlackListEntry, header.mFormatOptions);
|
||||
final CharGroupInfo newInfo = new CharGroupInfo(
|
||||
newNodeAddress + written, -1 /* endAddress */, flags,
|
||||
newCharacters, frequency, newNodeAddress + 1,
|
||||
FormatSpec.NO_CHILDREN_ADDRESS, shortcuts, bigrams);
|
||||
BinaryDictIOUtils.writeNode(destination,
|
||||
new CharGroupInfo[] { suffixInfo, newInfo });
|
||||
return;
|
||||
}
|
||||
matched = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (matched) {
|
||||
if (wordPos + currentInfo.mCharacters.length == wordLen) {
|
||||
// the word exists in the dictionary.
|
||||
// only update group.
|
||||
final int newNodeAddress = buffer.limit();
|
||||
final boolean hasMultipleChars = currentInfo.mCharacters.length > 1;
|
||||
final int flags = BinaryDictInputOutput.makeCharGroupFlags(hasMultipleChars,
|
||||
isTerminal, 0 /* childrenAddressSize */, hasShortcuts, hasBigrams,
|
||||
isNotAWord, isBlackListEntry, header.mFormatOptions);
|
||||
final CharGroupInfo newInfo = new CharGroupInfo(newNodeAddress + 1,
|
||||
-1 /* endAddress */, flags, currentInfo.mCharacters, frequency,
|
||||
nodeParentAddress, currentInfo.mChildrenAddress, shortcuts,
|
||||
bigrams);
|
||||
moveCharGroup(destination, buffer, newInfo, nodeOriginAddress, address,
|
||||
header.mFormatOptions);
|
||||
return;
|
||||
}
|
||||
wordPos += currentInfo.mCharacters.length;
|
||||
if (currentInfo.mChildrenAddress == FormatSpec.NO_CHILDREN_ADDRESS) {
|
||||
/*
|
||||
* found the prefix of the word.
|
||||
* make new node and link to the node from this group.
|
||||
*
|
||||
* before
|
||||
* ab - cd
|
||||
*
|
||||
* insert "abcde"
|
||||
*
|
||||
* after
|
||||
* ab - cd - e
|
||||
*/
|
||||
final int newNodeAddress = buffer.limit();
|
||||
updateChildrenAddress(buffer, address, newNodeAddress,
|
||||
header.mFormatOptions);
|
||||
final int newGroupAddress = newNodeAddress + 1;
|
||||
final boolean hasMultipleChars = (wordLen - wordPos) > 1;
|
||||
final int flags = BinaryDictInputOutput.makeCharGroupFlags(hasMultipleChars,
|
||||
isTerminal, 0 /* childrenAddressSize */, hasShortcuts, hasBigrams,
|
||||
isNotAWord, isBlackListEntry, header.mFormatOptions);
|
||||
final int[] characters = Arrays.copyOfRange(codePoints, wordPos, wordLen);
|
||||
final CharGroupInfo newInfo = new CharGroupInfo(newGroupAddress, -1, flags,
|
||||
characters, frequency, address, FormatSpec.NO_CHILDREN_ADDRESS,
|
||||
shortcuts, bigrams);
|
||||
BinaryDictIOUtils.writeNode(destination, new CharGroupInfo[] { newInfo });
|
||||
return;
|
||||
}
|
||||
buffer.position(currentInfo.mChildrenAddress);
|
||||
foundNextGroup = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (foundNextGroup) continue;
|
||||
|
||||
// reached the end of the array.
|
||||
final int linkAddressPosition = buffer.position();
|
||||
int nextLink = buffer.readUnsignedInt24();
|
||||
if ((nextLink & FormatSpec.MSB24) != 0) {
|
||||
nextLink = -(nextLink & FormatSpec.SINT24_MAX);
|
||||
}
|
||||
if (nextLink == FormatSpec.NO_FORWARD_LINK_ADDRESS) {
|
||||
/*
|
||||
* expand this node.
|
||||
*
|
||||
* before
|
||||
* ab - cd
|
||||
*
|
||||
* insert "abef"
|
||||
*
|
||||
* after
|
||||
* ab - cd
|
||||
* |
|
||||
* - ef
|
||||
*/
|
||||
|
||||
// change the forward link address.
|
||||
final int newNodeAddress = buffer.limit();
|
||||
buffer.position(linkAddressPosition);
|
||||
BinaryDictIOUtils.writeSInt24ToBuffer(buffer, newNodeAddress);
|
||||
|
||||
final int[] characters = Arrays.copyOfRange(codePoints, wordPos, wordLen);
|
||||
final int flags = BinaryDictInputOutput.makeCharGroupFlags(characters.length > 1,
|
||||
isTerminal, 0 /* childrenAddressSize */, hasShortcuts, hasBigrams,
|
||||
isNotAWord, isBlackListEntry, header.mFormatOptions);
|
||||
final CharGroupInfo newInfo = new CharGroupInfo(newNodeAddress + 1,
|
||||
-1 /* endAddress */, flags, characters, frequency, nodeParentAddress,
|
||||
FormatSpec.NO_CHILDREN_ADDRESS, shortcuts, bigrams);
|
||||
BinaryDictIOUtils.writeNode(destination, new CharGroupInfo[]{ newInfo });
|
||||
return;
|
||||
} else {
|
||||
depth--;
|
||||
buffer.position(nextLink);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -619,13 +619,13 @@ public class BinaryDictIOTests extends AndroidTestCase {
|
||||
try {
|
||||
MoreAsserts.assertNotEqual(FormatSpec.NOT_VALID_WORD,
|
||||
BinaryDictIOUtils.getTerminalPosition(buffer, sWords.get(0)));
|
||||
BinaryDictIOUtils.deleteWord(buffer, sWords.get(0));
|
||||
DynamicBinaryDictIOUtils.deleteWord(buffer, sWords.get(0));
|
||||
assertEquals(FormatSpec.NOT_VALID_WORD,
|
||||
BinaryDictIOUtils.getTerminalPosition(buffer, sWords.get(0)));
|
||||
|
||||
MoreAsserts.assertNotEqual(FormatSpec.NOT_VALID_WORD,
|
||||
BinaryDictIOUtils.getTerminalPosition(buffer, sWords.get(5)));
|
||||
BinaryDictIOUtils.deleteWord(buffer, sWords.get(5));
|
||||
DynamicBinaryDictIOUtils.deleteWord(buffer, sWords.get(5));
|
||||
assertEquals(FormatSpec.NOT_VALID_WORD,
|
||||
BinaryDictIOUtils.getTerminalPosition(buffer, sWords.get(5)));
|
||||
} catch (IOException e) {
|
||||
|
||||
@ -197,8 +197,8 @@ public class BinaryDictIOUtilsTests extends AndroidTestCase {
|
||||
assertEquals(FormatSpec.NOT_VALID_WORD, getWordPosition(file, word));
|
||||
}
|
||||
final long now = System.nanoTime();
|
||||
BinaryDictIOUtils.insertWord(buffer, outStream, word, frequency, bigrams, shortcuts,
|
||||
false, false);
|
||||
DynamicBinaryDictIOUtils.insertWord(buffer, outStream, word, frequency, bigrams,
|
||||
shortcuts, false, false);
|
||||
amountOfTime = System.nanoTime() - now;
|
||||
outStream.flush();
|
||||
MoreAsserts.assertNotEqual(FormatSpec.NOT_VALID_WORD, getWordPosition(file, word));
|
||||
@ -232,7 +232,7 @@ public class BinaryDictIOUtilsTests extends AndroidTestCase {
|
||||
raFile = new RandomAccessFile(file, "rw");
|
||||
buffer = new ByteBufferWrapper(raFile.getChannel().map(
|
||||
FileChannel.MapMode.READ_WRITE, 0, file.length()));
|
||||
BinaryDictIOUtils.deleteWord(buffer, word);
|
||||
DynamicBinaryDictIOUtils.deleteWord(buffer, word);
|
||||
} catch (IOException e) {
|
||||
} catch (UnsupportedFormatException e) {
|
||||
} finally {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user