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Add new binary dictionary format.

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Change-Id: Ia99411d4009857d5e420ca87ef8acf1f1826d3ed
This commit is contained in:
Yuichiro Hanada 2012-09-03 10:21:03 +09:00
parent 60af4f03a8
commit e55b644aef
3 changed files with 210 additions and 63 deletions
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257
java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
View file

@ -45,9 +45,28 @@ import java.util.TreeMap;
*/
public class BinaryDictInputOutput {
final static boolean DBG = MakedictLog.DBG;
private static final boolean DBG = MakedictLog.DBG;
/* Node layout is as follows:
/*
* Array of Node(FusionDictionary.Node) layout is as follows:
*
* g |
* r | the number of groups, 1 or 2 bytes.
* o | 1 byte = bbbbbbbb match
* u | case 1xxxxxxx => xxxxxxx << 8 + next byte
* p | otherwise => bbbbbbbb
* c |
* ount
*
* g |
* r | sequence of groups,
* o | the layout of each group is described below.
* u |
* ps
*
*/
/* Node(CharGroup) layout is as follows:
* | addressType xx : mask with MASK_GROUP_ADDRESS_TYPE
* 2 bits, 00 = no children : FLAG_GROUP_ADDRESS_TYPE_NOADDRESS
* f | 01 = 1 byte : FLAG_GROUP_ADDRESS_TYPE_ONEBYTE
@ -60,6 +79,13 @@ public class BinaryDictInputOutput {
* | is not a word ? 1 bit, 1 = yes, 0 = no : FLAG_IS_NOT_A_WORD
* | is blacklisted ? 1 bit, 1 = yes, 0 = no : FLAG_IS_BLACKLISTED
*
* p |
* a | IF HAS_PARENT_ADDRESS (defined in the file header)
* r | parent address, 3byte
* e | the address must be negative, so the absolute value of the address is stored.
* n |
* taddress
*
* c | IF FLAG_HAS_MULTIPLE_CHARS
* h | char, char, char, char n * (1 or 3 bytes) : use CharGroupInfo for i/o helpers
* a | end 1 byte, = 0
@ -133,12 +159,14 @@ public class BinaryDictInputOutput {
private static final int VERSION_1_MAGIC_NUMBER = 0x78B1;
public static final int VERSION_2_MAGIC_NUMBER = 0x9BC13AFE;
private static final int MINIMUM_SUPPORTED_VERSION = 1;
private static final int MAXIMUM_SUPPORTED_VERSION = 2;
private static final int MAXIMUM_SUPPORTED_VERSION = 3;
private static final int NOT_A_VERSION_NUMBER = -1;
private static final int FIRST_VERSION_WITH_HEADER_SIZE = 2;
private static final int FIRST_VERSION_WITH_PARENT_ADDRESS = 3;
// These options need to be the same numeric values as the one in the native reading code.
private static final int GERMAN_UMLAUT_PROCESSING_FLAG = 0x1;
private static final int HAS_PARENT_ADDRESS = 0x2;
private static final int FRENCH_LIGATURE_PROCESSING_FLAG = 0x4;
private static final int CONTAINS_BIGRAMS_FLAG = 0x8;
@ -146,6 +174,8 @@ public class BinaryDictInputOutput {
// use it in the reading code.
private static final int MAX_WORD_LENGTH = Constants.Dictionary.MAX_WORD_LENGTH;
private static final int PARENT_ADDRESS_SIZE = 3;
private static final int MASK_GROUP_ADDRESS_TYPE = 0xC0;
private static final int FLAG_GROUP_ADDRESS_TYPE_NOADDRESS = 0x00;
private static final int FLAG_GROUP_ADDRESS_TYPE_ONEBYTE = 0x40;
@ -179,6 +209,7 @@ public class BinaryDictInputOutput {
private static final int GROUP_SHORTCUT_LIST_SIZE_SIZE = 2;
private static final int NO_CHILDREN_ADDRESS = Integer.MIN_VALUE;
private static final int NO_PARENT_ADDRESS = 0;
private static final int INVALID_CHARACTER = -1;
private static final int MAX_CHARGROUPS_FOR_ONE_BYTE_CHARGROUP_COUNT = 0x7F; // 127
@ -247,8 +278,17 @@ public class BinaryDictInputOutput {
*/
public static class FormatOptions {
public final int mVersion;
public final boolean mHasParentAddress;
public FormatOptions(final int version) {
this(version, false);
}
public FormatOptions(final int version, final boolean hasParentAddress) {
mVersion = version;
if (version < FIRST_VERSION_WITH_PARENT_ADDRESS && hasParentAddress) {
throw new RuntimeException("Parent addresses are only supported with versions "
+ FIRST_VERSION_WITH_PARENT_ADDRESS + " and ulterior.");
}
mHasParentAddress = hasParentAddress;
}
}
@ -278,7 +318,7 @@ public class BinaryDictInputOutput {
/**
* Helper method to find out whether this code fits on one byte
*/
private static boolean fitsOnOneByte(int character) {
private static boolean fitsOnOneByte(final int character) {
return character >= MINIMAL_ONE_BYTE_CHARACTER_VALUE
&& character <= MAXIMAL_ONE_BYTE_CHARACTER_VALUE;
}
@ -300,7 +340,7 @@ public class BinaryDictInputOutput {
* @param character the character code.
* @return the size in binary encoded-form, either 1 or 3 bytes.
*/
private static int getCharSize(int character) {
private static int getCharSize(final int character) {
// See char encoding in FusionDictionary.java
if (fitsOnOneByte(character)) return 1;
if (INVALID_CHARACTER == character) return 1;
@ -373,7 +413,7 @@ public class BinaryDictInputOutput {
* @param buffer the ByteArrayOutputStream to write to.
* @param word the string to write.
*/
private static void writeString(ByteArrayOutputStream buffer, final String word) {
private static void writeString(final ByteArrayOutputStream buffer, final String word) {
final int length = word.length();
for (int i = 0; i < length; i = word.offsetByCodePoints(i, 1)) {
final int codePoint = word.codePointAt(i);
@ -429,7 +469,7 @@ public class BinaryDictInputOutput {
* @param group the group
* @return the size of the char array, including the terminator if any
*/
private static int getGroupCharactersSize(CharGroup group) {
private static int getGroupCharactersSize(final CharGroup group) {
int size = CharEncoding.getCharArraySize(group.mChars);
if (group.hasSeveralChars()) size += GROUP_TERMINATOR_SIZE;
return size;
@ -447,7 +487,7 @@ public class BinaryDictInputOutput {
return 2;
} else {
throw new RuntimeException("Can't have more than " + MAX_CHARGROUPS_IN_A_NODE
+ " groups in a node (found " + count +")");
+ " groups in a node (found " + count + ")");
}
}
@ -494,10 +534,11 @@ public class BinaryDictInputOutput {
* Compute the maximum size of a CharGroup, assuming 3-byte addresses for everything.
*
* @param group the CharGroup to compute the size of.
* @param options file format options.
* @return the maximum size of the group.
*/
private static int getCharGroupMaximumSize(CharGroup group) {
int size = getGroupCharactersSize(group) + GROUP_FLAGS_SIZE;
private static int getCharGroupMaximumSize(final CharGroup group, final FormatOptions options) {
int size = getGroupHeaderSize(group, options);
// If terminal, one byte for the frequency
if (group.isTerminal()) size += GROUP_FREQUENCY_SIZE;
size += GROUP_MAX_ADDRESS_SIZE; // For children address
@ -514,11 +555,12 @@ public class BinaryDictInputOutput {
* it in the 'actualSize' member of the node.
*
* @param node the node to compute the maximum size of.
* @param options file format options.
*/
private static void setNodeMaximumSize(Node node) {
private static void setNodeMaximumSize(final Node node, final FormatOptions options) {
int size = getGroupCountSize(node);
for (CharGroup g : node.mData) {
final int groupSize = getCharGroupMaximumSize(g);
final int groupSize = getCharGroupMaximumSize(g, options);
g.mCachedSize = groupSize;
size += groupSize;
}
@ -528,10 +570,32 @@ public class BinaryDictInputOutput {
/**
* Helper method to hide the actual value of the no children address.
*/
private static boolean hasChildrenAddress(int address) {
private static boolean hasChildrenAddress(final int address) {
return NO_CHILDREN_ADDRESS != address;
}
/**
* Helper method to check whether the CharGroup has a parent address.
*/
private static boolean hasParentAddress(final FormatOptions options) {
return options.mVersion >= FIRST_VERSION_WITH_PARENT_ADDRESS
&& options.mHasParentAddress;
}
/**
* Compute the size of the header (flag + [parent address] + characters size) of a CharGroup.
*
* @param group the group of which to compute the size of the header
* @param options file format options.
*/
private static int getGroupHeaderSize(final CharGroup group, final FormatOptions options) {
if (hasParentAddress(options)) {
return GROUP_FLAGS_SIZE + PARENT_ADDRESS_SIZE + getGroupCharactersSize(group);
} else {
return GROUP_FLAGS_SIZE + getGroupCharactersSize(group);
}
}
/**
* Compute the size, in bytes, that an address will occupy.
*
@ -542,7 +606,7 @@ public class BinaryDictInputOutput {
* @param address the address
* @return the byte size.
*/
private static int getByteSize(int address) {
private static int getByteSize(final int address) {
assert(address < 0x1000000);
if (!hasChildrenAddress(address)) {
return 0;
@ -558,14 +622,14 @@ public class BinaryDictInputOutput {
// This method is responsible for finding a nice ordering of the nodes that favors run-time
// cache performance and dictionary size.
/* package for tests */ static ArrayList<Node> flattenTree(Node root) {
/* package for tests */ static ArrayList<Node> flattenTree(final Node root) {
final int treeSize = FusionDictionary.countCharGroups(root);
MakedictLog.i("Counted nodes : " + treeSize);
final ArrayList<Node> flatTree = new ArrayList<Node>(treeSize);
return flattenTreeInner(flatTree, root);
}
private static ArrayList<Node> flattenTreeInner(ArrayList<Node> list, Node node) {
private static ArrayList<Node> flattenTreeInner(final ArrayList<Node> list, final Node node) {
// Removing the node is necessary if the tails are merged, because we would then
// add the same node several times when we only want it once. A number of places in
// the code also depends on any node being only once in the list.
@ -615,9 +679,11 @@ public class BinaryDictInputOutput {
*
* @param node the node to compute the size of.
* @param dict the dictionary in which the word/attributes are to be found.
* @param formatOptions file format options.
* @return false if none of the cached addresses inside the node changed, true otherwise.
*/
private static boolean computeActualNodeSize(Node node, FusionDictionary dict) {
private static boolean computeActualNodeSize(final Node node, final FusionDictionary dict,
final FormatOptions formatOptions) {
boolean changed = false;
int size = getGroupCountSize(node);
for (CharGroup group : node.mData) {
@ -625,11 +691,14 @@ public class BinaryDictInputOutput {
changed = true;
group.mCachedAddress = node.mCachedAddress + size;
}
int groupSize = GROUP_FLAGS_SIZE + getGroupCharactersSize(group);
int groupSize = getGroupHeaderSize(group, formatOptions);
if (group.isTerminal()) groupSize += GROUP_FREQUENCY_SIZE;
if (null != group.mChildren) {
final int offsetBasePoint= groupSize + node.mCachedAddress + size;
final int offsetBasePoint = groupSize + node.mCachedAddress + size;
final int offset = group.mChildren.mCachedAddress - offsetBasePoint;
// assign my address to children's parent address
group.mChildren.mCachedParentAddress = group.mCachedAddress
- group.mChildren.mCachedAddress;
groupSize += getByteSize(offset);
}
groupSize += getShortcutListSize(group.mShortcutTargets);
@ -658,7 +727,7 @@ public class BinaryDictInputOutput {
* @param flatNodes the array of nodes.
* @return the byte size of the entire stack.
*/
private static int stackNodes(ArrayList<Node> flatNodes) {
private static int stackNodes(final ArrayList<Node> flatNodes) {
int nodeOffset = 0;
for (Node n : flatNodes) {
n.mCachedAddress = nodeOffset;
@ -688,12 +757,13 @@ public class BinaryDictInputOutput {
*
* @param dict the dictionary
* @param flatNodes the ordered array of nodes
* @param formatOptions file format options.
* @return the same array it was passed. The nodes have been updated for address and size.
*/
private static ArrayList<Node> computeAddresses(FusionDictionary dict,
ArrayList<Node> flatNodes) {
private static ArrayList<Node> computeAddresses(final FusionDictionary dict,
final ArrayList<Node> flatNodes, final FormatOptions formatOptions) {
// First get the worst sizes and offsets
for (Node n : flatNodes) setNodeMaximumSize(n);
for (Node n : flatNodes) setNodeMaximumSize(n, formatOptions);
final int offset = stackNodes(flatNodes);
MakedictLog.i("Compressing the array addresses. Original size : " + offset);
@ -705,7 +775,7 @@ public class BinaryDictInputOutput {
changesDone = false;
for (Node n : flatNodes) {
final int oldNodeSize = n.mCachedSize;
final boolean changed = computeActualNodeSize(n, dict);
final boolean changed = computeActualNodeSize(n, dict, formatOptions);
final int newNodeSize = n.mCachedSize;
if (oldNodeSize < newNodeSize) throw new RuntimeException("Increased size ?!");
changesDone |= changed;
@ -733,7 +803,7 @@ public class BinaryDictInputOutput {
*
* @param array the array node to check
*/
private static void checkFlatNodeArray(ArrayList<Node> array) {
private static void checkFlatNodeArray(final ArrayList<Node> array) {
int offset = 0;
int index = 0;
for (Node n : array) {
@ -891,12 +961,14 @@ public class BinaryDictInputOutput {
/**
* Makes the 2-byte value for options flags.
*/
private static final int makeOptionsValue(final FusionDictionary dictionary) {
private static final int makeOptionsValue(final FusionDictionary dictionary,
final FormatOptions formatOptions) {
final DictionaryOptions options = dictionary.mOptions;
final boolean hasBigrams = dictionary.hasBigrams();
return (options.mFrenchLigatureProcessing ? FRENCH_LIGATURE_PROCESSING_FLAG : 0)
+ (options.mGermanUmlautProcessing ? GERMAN_UMLAUT_PROCESSING_FLAG : 0)
+ (hasBigrams ? CONTAINS_BIGRAMS_FLAG : 0);
+ (hasBigrams ? CONTAINS_BIGRAMS_FLAG : 0)
+ (formatOptions.mHasParentAddress ? HAS_PARENT_ADDRESS : 0);
}
/**
@ -919,13 +991,16 @@ public class BinaryDictInputOutput {
* @param dict the dictionary the node is a part of (for relative offsets).
* @param buffer the memory buffer to write to.
* @param node the node to write.
* @param formatOptions file format options.
* @return the address of the END of the node.
*/
private static int writePlacedNode(FusionDictionary dict, byte[] buffer, Node node) {
private static int writePlacedNode(final FusionDictionary dict, byte[] buffer,
final Node node, final FormatOptions formatOptions) {
int index = node.mCachedAddress;
final int groupCount = node.mData.size();
final int countSize = getGroupCountSize(node);
final int parentAddress = node.mCachedParentAddress;
if (1 == countSize) {
buffer[index++] = (byte)groupCount;
} else if (2 == countSize) {
@ -942,7 +1017,7 @@ public class BinaryDictInputOutput {
if (index != group.mCachedAddress) throw new RuntimeException("Bug: write index is not "
+ "the same as the cached address of the group : "
+ index + " <> " + group.mCachedAddress);
groupAddress += GROUP_FLAGS_SIZE + getGroupCharactersSize(group);
groupAddress += getGroupHeaderSize(group, formatOptions);
// Sanity checks.
if (DBG && group.mFrequency > MAX_TERMINAL_FREQUENCY) {
throw new RuntimeException("A node has a frequency > " + MAX_TERMINAL_FREQUENCY
@ -953,6 +1028,22 @@ public class BinaryDictInputOutput {
? NO_CHILDREN_ADDRESS : group.mChildren.mCachedAddress - groupAddress;
byte flags = makeCharGroupFlags(group, groupAddress, childrenOffset);
buffer[index++] = flags;
if (hasParentAddress(formatOptions)) {
if (parentAddress == NO_PARENT_ADDRESS) {
// this node is the root node.
buffer[index] = buffer[index + 1] = buffer[index + 2] = 0;
} else {
// write parent address. (version 3)
final int actualParentAddress = Math.abs(parentAddress
+ (node.mCachedAddress - group.mCachedAddress));
buffer[index] = (byte)((actualParentAddress >> 16) & 0xFF);
buffer[index + 1] = (byte)((actualParentAddress >> 8) & 0xFF);
buffer[index + 2] = (byte)(actualParentAddress & 0xFF);
}
index += 3;
}
index = CharEncoding.writeCharArray(group.mChars, buffer, index);
if (group.hasSeveralChars()) {
buffer[index++] = GROUP_CHARACTERS_TERMINATOR;
@ -1077,7 +1168,7 @@ public class BinaryDictInputOutput {
*
* @param destination the stream to write the binary data to.
* @param dict the dictionary to write.
* @param formatOptions the options of file format.
* @param formatOptions file format options.
*/
public static void writeDictionaryBinary(final OutputStream destination,
final FusionDictionary dict, final FormatOptions formatOptions)
@ -1116,7 +1207,7 @@ public class BinaryDictInputOutput {
headerBuffer.write((byte) (0xFF & version));
}
// Options flags
final int options = makeOptionsValue(dict);
final int options = makeOptionsValue(dict, formatOptions);
headerBuffer.write((byte) (0xFF & (options >> 8)));
headerBuffer.write((byte) (0xFF & options));
if (version >= FIRST_VERSION_WITH_HEADER_SIZE) {
@ -1150,20 +1241,20 @@ public class BinaryDictInputOutput {
ArrayList<Node> flatNodes = flattenTree(dict.mRoot);
MakedictLog.i("Computing addresses...");
computeAddresses(dict, flatNodes);
computeAddresses(dict, flatNodes, formatOptions);
MakedictLog.i("Checking array...");
if (DBG) checkFlatNodeArray(flatNodes);
// Create a buffer that matches the final dictionary size.
final Node lastNode = flatNodes.get(flatNodes.size() - 1);
final int bufferSize =(lastNode.mCachedAddress + lastNode.mCachedSize);
final int bufferSize = lastNode.mCachedAddress + lastNode.mCachedSize;
final byte[] buffer = new byte[bufferSize];
int index = 0;
MakedictLog.i("Writing file...");
int dataEndOffset = 0;
for (Node n : flatNodes) {
dataEndOffset = writePlacedNode(dict, buffer, n);
dataEndOffset = writePlacedNode(dict, buffer, n, formatOptions);
}
if (DBG) showStatistics(flatNodes);
@ -1178,23 +1269,36 @@ public class BinaryDictInputOutput {
// Input methods: Read a binary dictionary to memory.
// readDictionaryBinary is the public entry point for them.
static final int[] characterBuffer = new int[MAX_WORD_LENGTH];
private static final int[] CHARACTER_BUFFER = new int[MAX_WORD_LENGTH];
private static CharGroupInfo readCharGroup(final FusionDictionaryBufferInterface buffer,
final int originalGroupAddress) {
final int originalGroupAddress, final FormatOptions options) {
int addressPointer = originalGroupAddress;
final int flags = buffer.readUnsignedByte();
++addressPointer;
final int parentAddress;
if (hasParentAddress(options)) {
// read the parent address. (version 3)
parentAddress = -buffer.readUnsignedInt24();
addressPointer += 3;
} else {
parentAddress = NO_PARENT_ADDRESS;
}
final int characters[];
if (0 != (flags & FLAG_HAS_MULTIPLE_CHARS)) {
int index = 0;
int character = CharEncoding.readChar(buffer);
addressPointer += CharEncoding.getCharSize(character);
while (-1 != character) {
characterBuffer[index++] = 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 CHARACTER_BUFFER.
CHARACTER_BUFFER[index++] = character;
character = CharEncoding.readChar(buffer);
addressPointer += CharEncoding.getCharSize(character);
}
characters = Arrays.copyOfRange(characterBuffer, 0, index);
characters = Arrays.copyOfRange(CHARACTER_BUFFER, 0, index);
} else {
final int character = CharEncoding.readChar(buffer);
addressPointer += CharEncoding.getCharSize(character);
@ -1272,7 +1376,7 @@ public class BinaryDictInputOutput {
}
}
return new CharGroupInfo(originalGroupAddress, addressPointer, flags, characters, frequency,
childrenAddress, shortcutTargets, bigrams);
parentAddress, childrenAddress, shortcutTargets, bigrams);
}
/**
@ -1299,13 +1403,56 @@ public class BinaryDictInputOutput {
* @param buffer the buffer to read from.
* @param headerSize the size of the header.
* @param address the address to seek.
* @param formatOptions file format options.
* @return the word, as a string.
*/
private static String getWordAtAddress(final FusionDictionaryBufferInterface buffer,
final int headerSize, final int address) {
final int headerSize, final int address, final FormatOptions formatOptions) {
final String cachedString = wordCache.get(address);
if (null != cachedString) return cachedString;
final String result;
final int originalPointer = buffer.position();
if (hasParentAddress(formatOptions)) {
result = getWordAtAddressWithParentAddress(buffer, headerSize, address, formatOptions);
} else {
result = getWordAtAddressWithoutParentAddress(buffer, headerSize, address,
formatOptions);
}
wordCache.put(address, result);
buffer.position(originalPointer);
return result;
}
private static int[] sGetWordBuffer = new int[MAX_WORD_LENGTH];
private static String getWordAtAddressWithParentAddress(
final FusionDictionaryBufferInterface buffer, final int headerSize, final int address,
final FormatOptions options) {
final StringBuilder builder = new StringBuilder();
int currentAddress = address;
int index = MAX_WORD_LENGTH - 1;
// the length of the path from the root to the leaf is limited by MAX_WORD_LENGTH
for (int count = 0; count < MAX_WORD_LENGTH; ++count) {
buffer.position(currentAddress + headerSize);
final CharGroupInfo currentInfo = readCharGroup(buffer, currentAddress, options);
for (int i = 0; i < currentInfo.mCharacters.length; ++i) {
sGetWordBuffer[index--] =
currentInfo.mCharacters[currentInfo.mCharacters.length - i - 1];
}
if (currentInfo.mParentAddress == NO_PARENT_ADDRESS) break;
currentAddress = currentInfo.mParentAddress + currentInfo.mOriginalAddress;
}
return new String(sGetWordBuffer, index + 1, MAX_WORD_LENGTH - index - 1);
}
private static String getWordAtAddressWithoutParentAddress(
final FusionDictionaryBufferInterface buffer, final int headerSize, final int address,
final FormatOptions options) {
buffer.position(headerSize);
final int count = readCharGroupCount(buffer);
int groupOffset = getGroupCountSize(count);
@ -1314,7 +1461,7 @@ public class BinaryDictInputOutput {
CharGroupInfo last = null;
for (int i = count - 1; i >= 0; --i) {
CharGroupInfo info = readCharGroup(buffer, groupOffset);
CharGroupInfo info = readCharGroup(buffer, groupOffset, options);
groupOffset = info.mEndAddress;
if (info.mOriginalAddress == address) {
builder.append(new String(info.mCharacters, 0, info.mCharacters.length));
@ -1342,8 +1489,6 @@ public class BinaryDictInputOutput {
continue;
}
}
buffer.position(originalPointer);
wordCache.put(address, result);
return result;
}
@ -1359,24 +1504,26 @@ public class BinaryDictInputOutput {
* @param headerSize the size, in bytes, of the file header.
* @param reverseNodeMap a mapping from addresses to already read nodes.
* @param reverseGroupMap a mapping from addresses to already read character groups.
* @param options file format options.
* @return the read node with all his children already read.
*/
private static Node readNode(final FusionDictionaryBufferInterface buffer, final int headerSize,
final Map<Integer, Node> reverseNodeMap, final Map<Integer, CharGroup> reverseGroupMap)
final Map<Integer, Node> reverseNodeMap, final Map<Integer, CharGroup> reverseGroupMap,
final FormatOptions options)
throws IOException {
final int nodeOrigin = buffer.position() - headerSize;
final int count = readCharGroupCount(buffer);
final ArrayList<CharGroup> nodeContents = new ArrayList<CharGroup>();
int groupOffset = nodeOrigin + getGroupCountSize(count);
for (int i = count; i > 0; --i) {
CharGroupInfo info = readCharGroup(buffer, groupOffset);
CharGroupInfo info = readCharGroup(buffer, groupOffset, options);
ArrayList<WeightedString> shortcutTargets = info.mShortcutTargets;
ArrayList<WeightedString> bigrams = null;
if (null != info.mBigrams) {
bigrams = new ArrayList<WeightedString>();
for (PendingAttribute bigram : info.mBigrams) {
final String word = getWordAtAddress(
buffer, headerSize, bigram.mAddress);
buffer, headerSize, bigram.mAddress, options);
bigrams.add(new WeightedString(word, bigram.mFrequency));
}
}
@ -1386,7 +1533,7 @@ public class BinaryDictInputOutput {
final int currentPosition = buffer.position();
buffer.position(info.mChildrenAddress + headerSize);
children = readNode(
buffer, headerSize, reverseNodeMap, reverseGroupMap);
buffer, headerSize, reverseNodeMap, reverseGroupMap, options);
buffer.position(currentPosition);
}
nodeContents.add(
@ -1430,7 +1577,8 @@ public class BinaryDictInputOutput {
private static void readUnigramsAndBigramsBinaryInner(
final FusionDictionaryBufferInterface buffer, final int headerSize,
final Map<Integer, String> words, final Map<Integer, Integer> frequencies,
final Map<Integer, ArrayList<PendingAttribute>> bigrams) {
final Map<Integer, ArrayList<PendingAttribute>> bigrams,
final FormatOptions formatOptions) {
int[] pushedChars = new int[MAX_WORD_LENGTH + 1];
Stack<Position> stack = new Stack<Position>();
@ -1456,7 +1604,7 @@ public class BinaryDictInputOutput {
p.mPosition = 0;
}
CharGroupInfo info = readCharGroup(buffer, p.mAddress - headerSize);
CharGroupInfo info = readCharGroup(buffer, p.mAddress - headerSize, formatOptions);
for (int i = 0; i < info.mCharacters.length; ++i) {
pushedChars[index++] = info.mCharacters[i];
}
@ -1498,11 +1646,9 @@ public class BinaryDictInputOutput {
final Map<Integer, ArrayList<PendingAttribute>> bigrams) throws IOException,
UnsupportedFormatException {
// Read header
FormatOptions formatOptions = null;
DictionaryOptions dictionaryOptions = null;
final FileHeader header = readHeader(buffer);
readUnigramsAndBigramsBinaryInner(buffer, header.mHeaderSize, words, frequencies, bigrams);
readUnigramsAndBigramsBinaryInner(buffer, header.mHeaderSize, words, frequencies, bigrams,
header.mFormatOptions);
}
/**
@ -1563,7 +1709,8 @@ public class BinaryDictInputOutput {
new FusionDictionary.DictionaryOptions(attributes,
0 != (optionsFlags & GERMAN_UMLAUT_PROCESSING_FLAG),
0 != (optionsFlags & FRENCH_LIGATURE_PROCESSING_FLAG)),
new FormatOptions(version));
new FormatOptions(version,
0 != (optionsFlags & HAS_PARENT_ADDRESS)));
return header;
}
@ -1610,7 +1757,7 @@ public class BinaryDictInputOutput {
Map<Integer, Node> reverseNodeMapping = new TreeMap<Integer, Node>();
Map<Integer, CharGroup> reverseGroupMapping = new TreeMap<Integer, CharGroup>();
final Node root = readNode(buffer, header.mHeaderSize, reverseNodeMapping,
reverseGroupMapping);
reverseGroupMapping, header.mFormatOptions);
FusionDictionary newDict = new FusionDictionary(root, header.mDictionaryOptions);
if (null != dict) {

6
java/src/com/android/inputmethod/latin/makedict/CharGroupInfo.java
View file

@ -31,18 +31,20 @@ public class CharGroupInfo {
public final int[] mCharacters;
public final int mFrequency;
public final int mChildrenAddress;
public final int mParentAddress;
public final ArrayList<WeightedString> mShortcutTargets;
public final ArrayList<PendingAttribute> mBigrams;
public CharGroupInfo(final int originalAddress, final int endAddress, final int flags,
final int[] characters, final int frequency, final int childrenAddress,
final ArrayList<WeightedString> shortcutTargets,
final int[] characters, final int frequency, final int parentAddress,
final int childrenAddress, final ArrayList<WeightedString> shortcutTargets,
final ArrayList<PendingAttribute> bigrams) {
mOriginalAddress = originalAddress;
mEndAddress = endAddress;
mFlags = flags;
mCharacters = characters;
mFrequency = frequency;
mParentAddress = parentAddress;
mChildrenAddress = childrenAddress;
mShortcutTargets = shortcutTargets;
mBigrams = bigrams;

10
java/src/com/android/inputmethod/latin/makedict/FusionDictionary.java
View file

@ -43,17 +43,15 @@ public class FusionDictionary implements Iterable<Word> {
public static class Node {
ArrayList<CharGroup> mData;
// To help with binary generation
int mCachedSize;
int mCachedAddress;
int mCachedSize = Integer.MIN_VALUE;
int mCachedAddress = Integer.MIN_VALUE;
int mCachedParentAddress = 0;
public Node() {
mData = new ArrayList<CharGroup>();
mCachedSize = Integer.MIN_VALUE;
mCachedAddress = Integer.MIN_VALUE;
}
public Node(ArrayList<CharGroup> data) {
mData = data;
mCachedSize = Integer.MIN_VALUE;
mCachedAddress = Integer.MIN_VALUE;
}
}