mirror of
https://gitlab.futo.org/keyboard/latinime.git
synced 2024-09-28 14:54:30 +01:00
Merge "Include a code point table in the binary dictionary."
This commit is contained in:
commit
7e5614520a
@ -163,13 +163,15 @@ public final class FormatSpec {
|
||||
static final int NOT_A_VERSION_NUMBER = -1;
|
||||
|
||||
// These MUST have the same values as the relevant constants in format_utils.h.
|
||||
// From version 4 on, we use version * 100 + revision as a version number. That allows
|
||||
// From version 2.01 on, we use version * 100 + revision as a version number. That allows
|
||||
// us to change the format during development while having testing devices remove
|
||||
// older files with each upgrade, while still having a readable versioning scheme.
|
||||
// When we bump up the dictionary format version, we should update
|
||||
// ExpandableDictionary.needsToMigrateDictionary() and
|
||||
// ExpandableDictionary.matchesExpectedBinaryDictFormatVersionForThisType().
|
||||
public static final int VERSION2 = 2;
|
||||
public static final int VERSION201 = 201;
|
||||
public static final int MINIMUM_SUPPORTED_VERSION_OF_CODE_POINT_TABLE = VERSION201;
|
||||
// Dictionary version used for testing.
|
||||
public static final int VERSION4_ONLY_FOR_TESTING = 399;
|
||||
public static final int VERSION401 = 401;
|
||||
|
@ -312,7 +312,7 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
|
||||
final DictBuffer dictBuffer = new ByteArrayDictBuffer(buffer);
|
||||
for (final String word : sWords) {
|
||||
Arrays.fill(buffer, (byte) 0);
|
||||
CharEncoding.writeString(buffer, 0, word);
|
||||
CharEncoding.writeString(buffer, 0, word, null);
|
||||
dictBuffer.position(0);
|
||||
final String str = CharEncoding.readString(dictBuffer);
|
||||
assertEquals(word, str);
|
||||
|
@ -17,11 +17,11 @@
|
||||
package com.android.inputmethod.latin.makedict;
|
||||
|
||||
import com.android.inputmethod.annotations.UsedForTesting;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.io.OutputStream;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.util.HashMap;
|
||||
|
||||
/**
|
||||
* Decodes binary files for a FusionDictionary.
|
||||
@ -109,15 +109,19 @@ public final class BinaryDictDecoderUtils {
|
||||
* A class grouping utility function for our specific character encoding.
|
||||
*/
|
||||
static final class CharEncoding {
|
||||
private static final int MINIMAL_ONE_BYTE_CHARACTER_VALUE = 0x20;
|
||||
private static final int MAXIMAL_ONE_BYTE_CHARACTER_VALUE = 0xFF;
|
||||
|
||||
/**
|
||||
* Helper method to find out whether this code fits on one byte
|
||||
*/
|
||||
private static boolean fitsOnOneByte(final int character) {
|
||||
return character >= MINIMAL_ONE_BYTE_CHARACTER_VALUE
|
||||
&& character <= MAXIMAL_ONE_BYTE_CHARACTER_VALUE;
|
||||
private static boolean fitsOnOneByte(int character,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
if (codePointToOneByteCodeMap != null) {
|
||||
if (codePointToOneByteCodeMap.containsKey(character)) {
|
||||
character = codePointToOneByteCodeMap.get(character);
|
||||
}
|
||||
}
|
||||
return character >= FormatSpec.MINIMAL_ONE_BYTE_CHARACTER_VALUE
|
||||
&& character <= FormatSpec.MAXIMAL_ONE_BYTE_CHARACTER_VALUE;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -137,9 +141,10 @@ public final class BinaryDictDecoderUtils {
|
||||
* @param character the character code.
|
||||
* @return the size in binary encoded-form, either 1 or 3 bytes.
|
||||
*/
|
||||
static int getCharSize(final int character) {
|
||||
static int getCharSize(final int character,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
// See char encoding in FusionDictionary.java
|
||||
if (fitsOnOneByte(character)) return 1;
|
||||
if (fitsOnOneByte(character, codePointToOneByteCodeMap)) return 1;
|
||||
if (FormatSpec.INVALID_CHARACTER == character) return 1;
|
||||
return 3;
|
||||
}
|
||||
@ -147,9 +152,10 @@ public final class BinaryDictDecoderUtils {
|
||||
/**
|
||||
* Compute the byte size of a character array.
|
||||
*/
|
||||
static int getCharArraySize(final int[] chars) {
|
||||
static int getCharArraySize(final int[] chars,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
int size = 0;
|
||||
for (int character : chars) size += getCharSize(character);
|
||||
for (int character : chars) size += getCharSize(character, codePointToOneByteCodeMap);
|
||||
return size;
|
||||
}
|
||||
|
||||
@ -159,11 +165,19 @@ public final class BinaryDictDecoderUtils {
|
||||
* @param codePoints the code point array to write.
|
||||
* @param buffer the byte buffer to write to.
|
||||
* @param index the index in buffer to write the character array to.
|
||||
* @param codePointToOneByteCodeMap the map to convert the code point.
|
||||
* @return the index after the last character.
|
||||
*/
|
||||
static int writeCharArray(final int[] codePoints, final byte[] buffer, int index) {
|
||||
static int writeCharArray(final int[] codePoints, final byte[] buffer, int index,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
for (int codePoint : codePoints) {
|
||||
if (1 == getCharSize(codePoint)) {
|
||||
if (codePointToOneByteCodeMap != null) {
|
||||
if (codePointToOneByteCodeMap.containsKey(codePoint)) {
|
||||
// Convert code points
|
||||
codePoint = codePointToOneByteCodeMap.get(codePoint);
|
||||
}
|
||||
}
|
||||
if (1 == getCharSize(codePoint, codePointToOneByteCodeMap)) {
|
||||
buffer[index++] = (byte)codePoint;
|
||||
} else {
|
||||
buffer[index++] = (byte)(0xFF & (codePoint >> 16));
|
||||
@ -184,12 +198,19 @@ public final class BinaryDictDecoderUtils {
|
||||
* @param word the string to write.
|
||||
* @return the size written, in bytes.
|
||||
*/
|
||||
static int writeString(final byte[] buffer, final int origin, final String word) {
|
||||
static int writeString(final byte[] buffer, final int origin, final String word,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
final int length = word.length();
|
||||
int index = origin;
|
||||
for (int i = 0; i < length; i = word.offsetByCodePoints(i, 1)) {
|
||||
final int codePoint = word.codePointAt(i);
|
||||
if (1 == getCharSize(codePoint)) {
|
||||
int codePoint = word.codePointAt(i);
|
||||
if (codePointToOneByteCodeMap != null) {
|
||||
if (codePointToOneByteCodeMap.containsKey(codePoint)) {
|
||||
// Convert code points
|
||||
codePoint = codePointToOneByteCodeMap.get(codePoint);
|
||||
}
|
||||
}
|
||||
if (1 == getCharSize(codePoint, codePointToOneByteCodeMap)) {
|
||||
buffer[index++] = (byte)codePoint;
|
||||
} else {
|
||||
buffer[index++] = (byte)(0xFF & (codePoint >> 16));
|
||||
@ -210,12 +231,13 @@ public final class BinaryDictDecoderUtils {
|
||||
* @param word the string to write.
|
||||
* @return the size written, in bytes.
|
||||
*/
|
||||
static int writeString(final OutputStream stream, final String word) throws IOException {
|
||||
static int writeString(final OutputStream stream, final String word,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) throws IOException {
|
||||
final int length = word.length();
|
||||
int written = 0;
|
||||
for (int i = 0; i < length; i = word.offsetByCodePoints(i, 1)) {
|
||||
final int codePoint = word.codePointAt(i);
|
||||
final int charSize = getCharSize(codePoint);
|
||||
final int charSize = getCharSize(codePoint, codePointToOneByteCodeMap);
|
||||
if (1 == charSize) {
|
||||
stream.write((byte) codePoint);
|
||||
} else {
|
||||
@ -253,7 +275,7 @@ public final class BinaryDictDecoderUtils {
|
||||
*/
|
||||
static int readChar(final DictBuffer dictBuffer) {
|
||||
int character = dictBuffer.readUnsignedByte();
|
||||
if (!fitsOnOneByte(character)) {
|
||||
if (!fitsOnOneByte(character, null)) {
|
||||
if (FormatSpec.PTNODE_CHARACTERS_TERMINATOR == character) {
|
||||
return FormatSpec.INVALID_CHARACTER;
|
||||
}
|
||||
|
@ -61,8 +61,9 @@ public class BinaryDictEncoderUtils {
|
||||
* @param characters the character array
|
||||
* @return the size of the char array, including the terminator if any
|
||||
*/
|
||||
static int getPtNodeCharactersSize(final int[] characters) {
|
||||
int size = CharEncoding.getCharArraySize(characters);
|
||||
static int getPtNodeCharactersSize(final int[] characters,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
int size = CharEncoding.getCharArraySize(characters, codePointToOneByteCodeMap);
|
||||
if (characters.length > 1) size += FormatSpec.PTNODE_TERMINATOR_SIZE;
|
||||
return size;
|
||||
}
|
||||
@ -76,8 +77,9 @@ public class BinaryDictEncoderUtils {
|
||||
* @param ptNode the PtNode
|
||||
* @return the size of the char array, including the terminator if any
|
||||
*/
|
||||
private static int getPtNodeCharactersSize(final PtNode ptNode) {
|
||||
return getPtNodeCharactersSize(ptNode.mChars);
|
||||
private static int getPtNodeCharactersSize(final PtNode ptNode,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
return getPtNodeCharactersSize(ptNode.mChars, codePointToOneByteCodeMap);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -92,13 +94,14 @@ public class BinaryDictEncoderUtils {
|
||||
/**
|
||||
* Compute the size of a shortcut in bytes.
|
||||
*/
|
||||
private static int getShortcutSize(final WeightedString shortcut) {
|
||||
private static int getShortcutSize(final WeightedString shortcut,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
int size = FormatSpec.PTNODE_ATTRIBUTE_FLAGS_SIZE;
|
||||
final String word = shortcut.mWord;
|
||||
final int length = word.length();
|
||||
for (int i = 0; i < length; i = word.offsetByCodePoints(i, 1)) {
|
||||
final int codePoint = word.codePointAt(i);
|
||||
size += CharEncoding.getCharSize(codePoint);
|
||||
size += CharEncoding.getCharSize(codePoint, codePointToOneByteCodeMap);
|
||||
}
|
||||
size += FormatSpec.PTNODE_TERMINATOR_SIZE;
|
||||
return size;
|
||||
@ -110,11 +113,12 @@ public class BinaryDictEncoderUtils {
|
||||
* This is known in advance and does not change according to position in the file
|
||||
* like address lists do.
|
||||
*/
|
||||
static int getShortcutListSize(final ArrayList<WeightedString> shortcutList) {
|
||||
static int getShortcutListSize(final ArrayList<WeightedString> shortcutList,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
if (null == shortcutList || shortcutList.isEmpty()) return 0;
|
||||
int size = FormatSpec.PTNODE_SHORTCUT_LIST_SIZE_SIZE;
|
||||
for (final WeightedString shortcut : shortcutList) {
|
||||
size += getShortcutSize(shortcut);
|
||||
size += getShortcutSize(shortcut, codePointToOneByteCodeMap);
|
||||
}
|
||||
return size;
|
||||
}
|
||||
@ -125,14 +129,16 @@ public class BinaryDictEncoderUtils {
|
||||
* @param ptNode the PtNode to compute the size of.
|
||||
* @return the maximum size of the PtNode.
|
||||
*/
|
||||
private static int getPtNodeMaximumSize(final PtNode ptNode) {
|
||||
int size = getNodeHeaderSize(ptNode);
|
||||
private static int getPtNodeMaximumSize(final PtNode ptNode,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
int size = getNodeHeaderSize(ptNode, codePointToOneByteCodeMap);
|
||||
if (ptNode.isTerminal()) {
|
||||
// If terminal, one byte for the frequency.
|
||||
size += FormatSpec.PTNODE_FREQUENCY_SIZE;
|
||||
}
|
||||
size += FormatSpec.PTNODE_MAX_ADDRESS_SIZE; // For children address
|
||||
size += getShortcutListSize(ptNode.mShortcutTargets);
|
||||
// TODO: Use codePointToOneByteCodeMap for shortcuts.
|
||||
size += getShortcutListSize(ptNode.mShortcutTargets, null /* codePointToOneByteCodeMap */);
|
||||
if (null != ptNode.mBigrams) {
|
||||
size += (FormatSpec.PTNODE_ATTRIBUTE_FLAGS_SIZE
|
||||
+ FormatSpec.PTNODE_ATTRIBUTE_MAX_ADDRESS_SIZE)
|
||||
@ -148,10 +154,11 @@ public class BinaryDictEncoderUtils {
|
||||
*
|
||||
* @param ptNodeArray the node array to compute the maximum size of.
|
||||
*/
|
||||
private static void calculatePtNodeArrayMaximumSize(final PtNodeArray ptNodeArray) {
|
||||
private static void calculatePtNodeArrayMaximumSize(final PtNodeArray ptNodeArray,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
int size = getPtNodeCountSize(ptNodeArray);
|
||||
for (PtNode node : ptNodeArray.mData) {
|
||||
final int nodeSize = getPtNodeMaximumSize(node);
|
||||
final int nodeSize = getPtNodeMaximumSize(node, codePointToOneByteCodeMap);
|
||||
node.mCachedSize = nodeSize;
|
||||
size += nodeSize;
|
||||
}
|
||||
@ -163,8 +170,10 @@ public class BinaryDictEncoderUtils {
|
||||
*
|
||||
* @param ptNode the PtNode of which to compute the size of the header
|
||||
*/
|
||||
private static int getNodeHeaderSize(final PtNode ptNode) {
|
||||
return FormatSpec.PTNODE_FLAGS_SIZE + getPtNodeCharactersSize(ptNode);
|
||||
private static int getNodeHeaderSize(final PtNode ptNode,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
return FormatSpec.PTNODE_FLAGS_SIZE + getPtNodeCharactersSize(ptNode,
|
||||
codePointToOneByteCodeMap);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -367,7 +376,8 @@ public class BinaryDictEncoderUtils {
|
||||
* @return false if none of the cached addresses inside the node array changed, true otherwise.
|
||||
*/
|
||||
private static boolean computeActualPtNodeArraySize(final PtNodeArray ptNodeArray,
|
||||
final FusionDictionary dict) {
|
||||
final FusionDictionary dict,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
boolean changed = false;
|
||||
int size = getPtNodeCountSize(ptNodeArray);
|
||||
for (PtNode ptNode : ptNodeArray.mData) {
|
||||
@ -375,7 +385,7 @@ public class BinaryDictEncoderUtils {
|
||||
if (ptNode.mCachedAddressAfterUpdate != ptNode.mCachedAddressBeforeUpdate) {
|
||||
changed = true;
|
||||
}
|
||||
int nodeSize = getNodeHeaderSize(ptNode);
|
||||
int nodeSize = getNodeHeaderSize(ptNode, codePointToOneByteCodeMap);
|
||||
if (ptNode.isTerminal()) {
|
||||
nodeSize += FormatSpec.PTNODE_FREQUENCY_SIZE;
|
||||
}
|
||||
@ -383,7 +393,9 @@ public class BinaryDictEncoderUtils {
|
||||
nodeSize += getByteSize(getOffsetToTargetNodeArrayDuringUpdate(ptNodeArray,
|
||||
nodeSize + size, ptNode.mChildren));
|
||||
}
|
||||
nodeSize += getShortcutListSize(ptNode.mShortcutTargets);
|
||||
// TODO: Use codePointToOneByteCodeMap for shortcuts.
|
||||
nodeSize += getShortcutListSize(ptNode.mShortcutTargets,
|
||||
null /* codePointToOneByteCodeMap */);
|
||||
if (null != ptNode.mBigrams) {
|
||||
for (WeightedString bigram : ptNode.mBigrams) {
|
||||
final int offset = getOffsetToTargetPtNodeDuringUpdate(ptNodeArray,
|
||||
@ -454,10 +466,11 @@ public class BinaryDictEncoderUtils {
|
||||
* @return the same array it was passed. The nodes have been updated for address and size.
|
||||
*/
|
||||
/* package */ static ArrayList<PtNodeArray> computeAddresses(final FusionDictionary dict,
|
||||
final ArrayList<PtNodeArray> flatNodes) {
|
||||
final ArrayList<PtNodeArray> flatNodes,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
// First get the worst possible sizes and offsets
|
||||
for (final PtNodeArray n : flatNodes) {
|
||||
calculatePtNodeArrayMaximumSize(n);
|
||||
calculatePtNodeArrayMaximumSize(n, codePointToOneByteCodeMap);
|
||||
}
|
||||
final int offset = initializePtNodeArraysCachedAddresses(flatNodes);
|
||||
|
||||
@ -472,7 +485,8 @@ public class BinaryDictEncoderUtils {
|
||||
for (final PtNodeArray ptNodeArray : flatNodes) {
|
||||
ptNodeArray.mCachedAddressAfterUpdate = ptNodeArrayStartOffset;
|
||||
final int oldNodeArraySize = ptNodeArray.mCachedSize;
|
||||
final boolean changed = computeActualPtNodeArraySize(ptNodeArray, dict);
|
||||
final boolean changed = computeActualPtNodeArraySize(ptNodeArray, dict,
|
||||
codePointToOneByteCodeMap);
|
||||
final int newNodeArraySize = ptNodeArray.mCachedSize;
|
||||
if (oldNodeArraySize < newNodeArraySize) {
|
||||
throw new RuntimeException("Increased size ?!");
|
||||
@ -686,9 +700,10 @@ public class BinaryDictEncoderUtils {
|
||||
+ (frequency & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_FREQUENCY);
|
||||
}
|
||||
|
||||
/* package */ static final int getChildrenPosition(final PtNode ptNode) {
|
||||
/* package */ static final int getChildrenPosition(final PtNode ptNode,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
int positionOfChildrenPosField = ptNode.mCachedAddressAfterUpdate
|
||||
+ getNodeHeaderSize(ptNode);
|
||||
+ getNodeHeaderSize(ptNode, codePointToOneByteCodeMap);
|
||||
if (ptNode.isTerminal()) {
|
||||
// A terminal node has the frequency.
|
||||
// If positionOfChildrenPosField is incorrect, we may crash when jumping to the children
|
||||
@ -705,10 +720,12 @@ public class BinaryDictEncoderUtils {
|
||||
* @param dict the dictionary the node array is a part of (for relative offsets).
|
||||
* @param dictEncoder the dictionary encoder.
|
||||
* @param ptNodeArray the node array to write.
|
||||
* @param codePointToOneByteCodeMap the map to convert the code points.
|
||||
*/
|
||||
@SuppressWarnings("unused")
|
||||
/* package */ static void writePlacedPtNodeArray(final FusionDictionary dict,
|
||||
final DictEncoder dictEncoder, final PtNodeArray ptNodeArray) {
|
||||
final DictEncoder dictEncoder, final PtNodeArray ptNodeArray,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
// TODO: Make the code in common with BinaryDictIOUtils#writePtNode
|
||||
dictEncoder.setPosition(ptNodeArray.mCachedAddressAfterUpdate);
|
||||
|
||||
@ -727,7 +744,7 @@ public class BinaryDictEncoderUtils {
|
||||
+ FormatSpec.MAX_TERMINAL_FREQUENCY
|
||||
+ " : " + ptNode.mProbabilityInfo.toString());
|
||||
}
|
||||
dictEncoder.writePtNode(ptNode, dict);
|
||||
dictEncoder.writePtNode(ptNode, dict, codePointToOneByteCodeMap);
|
||||
}
|
||||
if (dictEncoder.getPosition() != ptNodeArray.mCachedAddressAfterUpdate
|
||||
+ ptNodeArray.mCachedSize) {
|
||||
@ -834,12 +851,16 @@ public class BinaryDictEncoderUtils {
|
||||
// Write out the options.
|
||||
for (final String key : dict.mOptions.mAttributes.keySet()) {
|
||||
final String value = dict.mOptions.mAttributes.get(key);
|
||||
CharEncoding.writeString(headerBuffer, key);
|
||||
CharEncoding.writeString(headerBuffer, value);
|
||||
CharEncoding.writeString(headerBuffer, key, null);
|
||||
CharEncoding.writeString(headerBuffer, value, null);
|
||||
}
|
||||
// Write out the codePointTable if there is codePointOccurrenceArray.
|
||||
if (codePointOccurrenceArray != null) {
|
||||
final String codePointTableString =
|
||||
encodeCodePointTable(codePointOccurrenceArray);
|
||||
CharEncoding.writeString(headerBuffer, DictionaryHeader.CODE_POINT_TABLE_KEY, null);
|
||||
CharEncoding.writeString(headerBuffer, codePointTableString, null);
|
||||
}
|
||||
|
||||
// TODO: Write out the code point table.
|
||||
|
||||
final int size = headerBuffer.size();
|
||||
final byte[] bytes = headerBuffer.toByteArray();
|
||||
// Write out the header size.
|
||||
@ -857,10 +878,30 @@ public class BinaryDictEncoderUtils {
|
||||
final HashMap<Integer, Integer> mCodePointToOneByteCodeMap;
|
||||
final ArrayList<Entry<Integer, Integer>> mCodePointOccurrenceArray;
|
||||
|
||||
// Let code point table empty for version 200 dictionary which used in test
|
||||
CodePointTable() {
|
||||
mCodePointToOneByteCodeMap = null;
|
||||
mCodePointOccurrenceArray = null;
|
||||
}
|
||||
|
||||
CodePointTable(final HashMap<Integer, Integer> codePointToOneByteCodeMap,
|
||||
final ArrayList<Entry<Integer, Integer>> codePointOccurrenceArray) {
|
||||
mCodePointToOneByteCodeMap = codePointToOneByteCodeMap;
|
||||
mCodePointOccurrenceArray = codePointOccurrenceArray;
|
||||
}
|
||||
}
|
||||
|
||||
private static String encodeCodePointTable(
|
||||
final ArrayList<Entry<Integer, Integer>> codePointOccurrenceArray) {
|
||||
final StringBuilder codePointTableString = new StringBuilder();
|
||||
int currentCodePointTableIndex = FormatSpec.MINIMAL_ONE_BYTE_CHARACTER_VALUE;
|
||||
for (final Entry<Integer, Integer> entry : codePointOccurrenceArray) {
|
||||
// Native reads the table as a string
|
||||
codePointTableString.appendCodePoint(entry.getKey());
|
||||
if (FormatSpec.MAXIMAL_ONE_BYTE_CHARACTER_VALUE < ++currentCodePointTableIndex) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
return codePointTableString.toString();
|
||||
}
|
||||
}
|
||||
|
@ -21,6 +21,7 @@ import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
|
||||
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
|
||||
/**
|
||||
* An interface of binary dictionary encoder.
|
||||
@ -33,5 +34,6 @@ public interface DictEncoder {
|
||||
public void setPosition(final int position);
|
||||
public int getPosition();
|
||||
public void writePtNodeCount(final int ptNodeCount);
|
||||
public void writePtNode(final PtNode ptNode, final FusionDictionary dict);
|
||||
public void writePtNode(final PtNode ptNode, final FusionDictionary dict,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap);
|
||||
}
|
||||
|
@ -177,7 +177,8 @@ public class Ver2DictDecoder extends AbstractDictDecoder {
|
||||
if (header == null) {
|
||||
throw new IOException("Cannot read the dictionary header.");
|
||||
}
|
||||
if (header.mFormatOptions.mVersion != FormatSpec.VERSION2) {
|
||||
if (header.mFormatOptions.mVersion != FormatSpec.VERSION2 &&
|
||||
header.mFormatOptions.mVersion != FormatSpec.VERSION201) {
|
||||
throw new UnsupportedFormatException("File header has a wrong version : "
|
||||
+ header.mFormatOptions.mVersion);
|
||||
}
|
||||
@ -200,19 +201,19 @@ public class Ver2DictDecoder extends AbstractDictDecoder {
|
||||
if (0 != (flags & FormatSpec.FLAG_HAS_MULTIPLE_CHARS)) {
|
||||
int index = 0;
|
||||
int character = CharEncoding.readChar(mDictBuffer);
|
||||
addressPointer += CharEncoding.getCharSize(character);
|
||||
addressPointer += CharEncoding.getCharSize(character, null);
|
||||
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.
|
||||
mCharacterBuffer[index++] = character;
|
||||
character = CharEncoding.readChar(mDictBuffer);
|
||||
addressPointer += CharEncoding.getCharSize(character);
|
||||
addressPointer += CharEncoding.getCharSize(character, null);
|
||||
}
|
||||
characters = Arrays.copyOfRange(mCharacterBuffer, 0, index);
|
||||
} else {
|
||||
final int character = CharEncoding.readChar(mDictBuffer);
|
||||
addressPointer += CharEncoding.getCharSize(character);
|
||||
addressPointer += CharEncoding.getCharSize(character, null);
|
||||
characters = new int[] { character };
|
||||
}
|
||||
final ProbabilityInfo probabilityInfo;
|
||||
|
@ -124,7 +124,7 @@ public class Ver2DictEncoder implements DictEncoder {
|
||||
@Override
|
||||
public void writeDictionary(final FusionDictionary dict, final FormatOptions formatOptions)
|
||||
throws IOException, UnsupportedFormatException {
|
||||
if (formatOptions.mVersion > FormatSpec.VERSION2) {
|
||||
if (formatOptions.mVersion > FormatSpec.VERSION201) {
|
||||
throw new UnsupportedFormatException(
|
||||
"The given format options has wrong version number : "
|
||||
+ formatOptions.mVersion);
|
||||
@ -135,7 +135,13 @@ public class Ver2DictEncoder implements DictEncoder {
|
||||
}
|
||||
|
||||
// Make code point conversion table ordered by occurrence of code points
|
||||
final CodePointTable codePointTable = makeCodePointTable(dict);
|
||||
// Version 201 or later have codePointTable
|
||||
final CodePointTable codePointTable;
|
||||
if (formatOptions.mVersion >= FormatSpec.MINIMUM_SUPPORTED_VERSION_OF_CODE_POINT_TABLE) {
|
||||
codePointTable = makeCodePointTable(dict);
|
||||
} else {
|
||||
codePointTable = new CodePointTable();
|
||||
}
|
||||
|
||||
BinaryDictEncoderUtils.writeDictionaryHeader(mOutStream, dict, formatOptions,
|
||||
codePointTable.mCodePointOccurrenceArray);
|
||||
@ -152,7 +158,8 @@ public class Ver2DictEncoder implements DictEncoder {
|
||||
ArrayList<PtNodeArray> flatNodes = BinaryDictEncoderUtils.flattenTree(dict.mRootNodeArray);
|
||||
|
||||
MakedictLog.i("Computing addresses...");
|
||||
BinaryDictEncoderUtils.computeAddresses(dict, flatNodes);
|
||||
BinaryDictEncoderUtils.computeAddresses(dict, flatNodes,
|
||||
codePointTable.mCodePointToOneByteCodeMap);
|
||||
MakedictLog.i("Checking PtNode array...");
|
||||
if (MakedictLog.DBG) BinaryDictEncoderUtils.checkFlatPtNodeArrayList(flatNodes);
|
||||
|
||||
@ -164,7 +171,8 @@ public class Ver2DictEncoder implements DictEncoder {
|
||||
MakedictLog.i("Writing file...");
|
||||
|
||||
for (PtNodeArray nodeArray : flatNodes) {
|
||||
BinaryDictEncoderUtils.writePlacedPtNodeArray(dict, this, nodeArray);
|
||||
BinaryDictEncoderUtils.writePlacedPtNodeArray(dict, this, nodeArray,
|
||||
codePointTable.mCodePointToOneByteCodeMap);
|
||||
}
|
||||
if (MakedictLog.DBG) BinaryDictEncoderUtils.showStatistics(flatNodes);
|
||||
mOutStream.write(mBuffer, 0, mPosition);
|
||||
@ -196,15 +204,19 @@ public class Ver2DictEncoder implements DictEncoder {
|
||||
countSize);
|
||||
}
|
||||
|
||||
private void writePtNodeFlags(final PtNode ptNode) {
|
||||
final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode);
|
||||
private void writePtNodeFlags(final PtNode ptNode,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode,
|
||||
codePointToOneByteCodeMap);
|
||||
mPosition = BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, mPosition,
|
||||
BinaryDictEncoderUtils.makePtNodeFlags(ptNode, childrenPos),
|
||||
FormatSpec.PTNODE_FLAGS_SIZE);
|
||||
}
|
||||
|
||||
private void writeCharacters(final int[] codePoints, final boolean hasSeveralChars) {
|
||||
mPosition = CharEncoding.writeCharArray(codePoints, mBuffer, mPosition);
|
||||
private void writeCharacters(final int[] codePoints, final boolean hasSeveralChars,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
mPosition = CharEncoding.writeCharArray(codePoints, mBuffer, mPosition,
|
||||
codePointToOneByteCodeMap);
|
||||
if (hasSeveralChars) {
|
||||
mBuffer[mPosition++] = FormatSpec.PTNODE_CHARACTERS_TERMINATOR;
|
||||
}
|
||||
@ -217,8 +229,10 @@ public class Ver2DictEncoder implements DictEncoder {
|
||||
}
|
||||
}
|
||||
|
||||
private void writeChildrenPosition(final PtNode ptNode) {
|
||||
final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode);
|
||||
private void writeChildrenPosition(final PtNode ptNode,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode,
|
||||
codePointToOneByteCodeMap);
|
||||
mPosition += BinaryDictEncoderUtils.writeChildrenPosition(mBuffer, mPosition,
|
||||
childrenPos);
|
||||
}
|
||||
@ -228,7 +242,8 @@ public class Ver2DictEncoder implements DictEncoder {
|
||||
*
|
||||
* @param shortcuts the shortcut attributes list.
|
||||
*/
|
||||
private void writeShortcuts(final ArrayList<WeightedString> shortcuts) {
|
||||
private void writeShortcuts(final ArrayList<WeightedString> shortcuts,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
if (null == shortcuts || shortcuts.isEmpty()) return;
|
||||
|
||||
final int indexOfShortcutByteSize = mPosition;
|
||||
@ -241,7 +256,8 @@ public class Ver2DictEncoder implements DictEncoder {
|
||||
target.getProbability());
|
||||
mPosition = BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, mPosition, shortcutFlags,
|
||||
FormatSpec.PTNODE_ATTRIBUTE_FLAGS_SIZE);
|
||||
final int shortcutShift = CharEncoding.writeString(mBuffer, mPosition, target.mWord);
|
||||
final int shortcutShift = CharEncoding.writeString(mBuffer, mPosition, target.mWord,
|
||||
codePointToOneByteCodeMap);
|
||||
mPosition += shortcutShift;
|
||||
}
|
||||
final int shortcutByteSize = mPosition - indexOfShortcutByteSize;
|
||||
@ -281,12 +297,14 @@ public class Ver2DictEncoder implements DictEncoder {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writePtNode(final PtNode ptNode, final FusionDictionary dict) {
|
||||
writePtNodeFlags(ptNode);
|
||||
writeCharacters(ptNode.mChars, ptNode.hasSeveralChars());
|
||||
public void writePtNode(final PtNode ptNode, final FusionDictionary dict,
|
||||
final HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
writePtNodeFlags(ptNode, codePointToOneByteCodeMap);
|
||||
writeCharacters(ptNode.mChars, ptNode.hasSeveralChars(), codePointToOneByteCodeMap);
|
||||
writeFrequency(ptNode.getProbability());
|
||||
writeChildrenPosition(ptNode);
|
||||
writeShortcuts(ptNode.mShortcutTargets);
|
||||
writeChildrenPosition(ptNode, codePointToOneByteCodeMap);
|
||||
// TODO: Use codePointToOneByteCodeMap for shortcuts.
|
||||
writeShortcuts(ptNode.mShortcutTargets, null /* codePointToOneByteCodeMap */);
|
||||
writeBigrams(ptNode.mBigrams, dict);
|
||||
}
|
||||
}
|
||||
|
@ -27,6 +27,7 @@ import com.android.inputmethod.latin.utils.LocaleUtils;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
|
||||
/**
|
||||
* An implementation of DictEncoder for version 4 binary dictionary.
|
||||
@ -142,6 +143,7 @@ public class Ver4DictEncoder implements DictEncoder {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writePtNode(PtNode ptNode, FusionDictionary dict) {
|
||||
public void writePtNode(PtNode ptNode, FusionDictionary dict,
|
||||
HashMap<Integer, Integer> codePointToOneByteCodeMap) {
|
||||
}
|
||||
}
|
||||
|
@ -158,7 +158,7 @@ public class DictionaryMaker {
|
||||
String outputBinary = null;
|
||||
String outputXml = null;
|
||||
String outputCombined = null;
|
||||
int outputBinaryFormatVersion = 2; // the default version is 2.
|
||||
int outputBinaryFormatVersion = FormatSpec.VERSION201; // the default version is 201.
|
||||
// Don't use code point table by default.
|
||||
int codePointTableMode = Ver2DictEncoder.CODE_POINT_TABLE_OFF;
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user