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Merge "Get BigramsPos and ShortcutPos via structure policy."

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Keisuke Kuroynagi 2013-07-22 09:30:57 +00:00 committed by Android (Google) Code Review
parent 1676b8387f c38ec47596
commit a54b8b3f5d
12 changed files with 91 additions and 69 deletions
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30
native/jni/src/suggest/core/dicnode/dic_node.h
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@ -112,10 +112,10 @@ class DicNode {
mIsUsed = true;
mIsCachedForNextSuggestion = false;
mDicNodeProperties.init(
NOT_A_VALID_WORD_POS /* pos */, rootGroupPos, NOT_A_DICT_POS /* attributesPos */,
NOT_A_CODE_POINT /* nodeCodePoint */, NOT_A_PROBABILITY /* probability */,
false /* isTerminal */, true /* hasChildren */,
false /* isBlacklistedOrNotAWord */, 0 /* depth */, 0 /* terminalDepth */);
NOT_A_VALID_WORD_POS /* pos */, rootGroupPos, NOT_A_CODE_POINT /* nodeCodePoint */,
NOT_A_PROBABILITY /* probability */, false /* isTerminal */,
true /* hasChildren */, false /* isBlacklistedOrNotAWord */, 0 /* depth */,
0 /* terminalDepth */);
mDicNodeState.init(prevWordNodePos);
PROF_NODE_RESET(mProfiler);
}
@ -125,10 +125,10 @@ class DicNode {
mIsUsed = true;
mIsCachedForNextSuggestion = dicNode->mIsCachedForNextSuggestion;
mDicNodeProperties.init(
NOT_A_VALID_WORD_POS /* pos */, rootGroupPos, NOT_A_DICT_POS /* attributesPos */,
NOT_A_CODE_POINT /* nodeCodePoint */, NOT_A_PROBABILITY /* probability */,
false /* isTerminal */, true /* hasChildren */,
false /* isBlacklistedOrNotAWord */, 0 /* depth */, 0 /* terminalDepth */);
NOT_A_VALID_WORD_POS /* pos */, rootGroupPos, NOT_A_CODE_POINT /* nodeCodePoint */,
NOT_A_PROBABILITY /* probability */, false /* isTerminal */,
true /* hasChildren */, false /* isBlacklistedOrNotAWord */, 0 /* depth */,
0 /* terminalDepth */);
// TODO: Move to dicNodeState?
mDicNodeState.mDicNodeStateOutput.init(); // reset for next word
mDicNodeState.mDicNodeStateInput.init(
@ -157,18 +157,16 @@ class DicNode {
PROF_NODE_COPY(&parentNode->mProfiler, mProfiler);
}
void initAsChild(DicNode *dicNode, const int pos, const int childrenPos,
const int attributesPos, const int probability, const bool isTerminal,
const bool hasChildren, const bool isBlacklistedOrNotAWord,
void initAsChild(DicNode *dicNode, const int pos, const int childrenPos, const int probability,
const bool isTerminal, const bool hasChildren, const bool isBlacklistedOrNotAWord,
const uint16_t mergedNodeCodePointCount, const int *const mergedNodeCodePoints) {
mIsUsed = true;
uint16_t newDepth = static_cast<uint16_t>(dicNode->getNodeCodePointCount() + 1);
mIsCachedForNextSuggestion = dicNode->mIsCachedForNextSuggestion;
const uint16_t newLeavingDepth = static_cast<uint16_t>(
dicNode->mDicNodeProperties.getLeavingDepth() + mergedNodeCodePointCount);
mDicNodeProperties.init(pos, childrenPos, attributesPos, mergedNodeCodePoints[0],
probability, isTerminal, hasChildren, isBlacklistedOrNotAWord, newDepth,
newLeavingDepth);
mDicNodeProperties.init(pos, childrenPos, mergedNodeCodePoints[0], probability,
isTerminal, hasChildren, isBlacklistedOrNotAWord, newDepth, newLeavingDepth);
mDicNodeState.init(&dicNode->mDicNodeState, mergedNodeCodePointCount,
mergedNodeCodePoints);
PROF_NODE_COPY(&dicNode->mProfiler, mProfiler);
@ -467,10 +465,6 @@ class DicNode {
return mDicNodeProperties.isBlacklistedOrNotAWord();
}
int getAttributesPos() const {
return mDicNodeProperties.getAttributesPos();
}
inline uint16_t getNodeCodePointCount() const {
return mDicNodeProperties.getDepth();
}

18
native/jni/src/suggest/core/dicnode/dic_node_properties.h
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@ -31,20 +31,17 @@ namespace latinime {
class DicNodeProperties {
public:
AK_FORCE_INLINE DicNodeProperties()
: mPos(0), mChildrenPos(0), mAttributesPos(0), mProbability(0),
mNodeCodePoint(0), mIsTerminal(false), mHasChildren(false),
mIsBlacklistedOrNotAWord(false), mDepth(0), mLeavingDepth(0) {}
: mPos(0), mChildrenPos(0), mProbability(0), mNodeCodePoint(0), mIsTerminal(false),
mHasChildren(false), mIsBlacklistedOrNotAWord(false), mDepth(0), mLeavingDepth(0) {}
virtual ~DicNodeProperties() {}
// Should be called only once per DicNode is initialized.
void init(const int pos, const int childrenPos, const int attributesPos,
const int nodeCodePoint, const int probability, const bool isTerminal,
const bool hasChildren, const bool isBlacklistedOrNotAWord,
void init(const int pos, const int childrenPos, const int nodeCodePoint, const int probability,
const bool isTerminal, const bool hasChildren, const bool isBlacklistedOrNotAWord,
const uint16_t depth, const uint16_t leavingDepth) {
mPos = pos;
mChildrenPos = childrenPos;
mAttributesPos = attributesPos;
mNodeCodePoint = nodeCodePoint;
mProbability = probability;
mIsTerminal = isTerminal;
@ -58,7 +55,6 @@ class DicNodeProperties {
void init(const DicNodeProperties *const nodeProp) {
mPos = nodeProp->mPos;
mChildrenPos = nodeProp->mChildrenPos;
mAttributesPos = nodeProp->mAttributesPos;
mNodeCodePoint = nodeProp->mNodeCodePoint;
mProbability = nodeProp->mProbability;
mIsTerminal = nodeProp->mIsTerminal;
@ -72,7 +68,6 @@ class DicNodeProperties {
void init(const DicNodeProperties *const nodeProp, const int codePoint) {
mPos = nodeProp->mPos;
mChildrenPos = nodeProp->mChildrenPos;
mAttributesPos = nodeProp->mAttributesPos;
mNodeCodePoint = codePoint; // Overwrite the node char of a passing child
mProbability = nodeProp->mProbability;
mIsTerminal = nodeProp->mIsTerminal;
@ -90,10 +85,6 @@ class DicNodeProperties {
return mChildrenPos;
}
int getAttributesPos() const {
return mAttributesPos;
}
int getProbability() const {
return mProbability;
}
@ -129,7 +120,6 @@ class DicNodeProperties {
// for this class
int mPos;
int mChildrenPos;
int mAttributesPos;
int mProbability;
int mNodeCodePoint;
bool mIsTerminal;

8
native/jni/src/suggest/core/dicnode/dic_node_utils.cpp
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@ -77,7 +77,6 @@ namespace latinime {
const bool hasMultipleChars = (0 != (BinaryFormat::FLAG_HAS_MULTIPLE_CHARS & flags));
const bool isTerminal = (0 != (BinaryFormat::FLAG_IS_TERMINAL & flags));
const bool hasChildren = BinaryFormat::hasChildrenInFlags(flags);
const bool hasShortcuts = (0 != (BinaryFormat::FLAG_HAS_SHORTCUT_TARGETS & flags));
const bool isBlacklistedOrNotAWord = BinaryFormat::hasBlacklistedOrNotAWordFlag(flags);
int codePoint = BinaryFormat::getCodePointAndForwardPointer(
@ -104,17 +103,14 @@ namespace latinime {
pos = BinaryFormat::skipProbability(flags, pos);
int childrenPos = hasChildren ? BinaryFormat::readChildrenPosition(
binaryDictionaryInfo->getDictRoot(), flags, pos) : NOT_A_DICT_POS;
const int attributesPos =
hasShortcuts ? BinaryFormat::skipChildrenPosition(flags, pos) : NOT_A_DICT_POS;
const int siblingPos = BinaryFormat::skipChildrenPosAndAttributes(
binaryDictionaryInfo->getDictRoot(), flags, pos);
if (childrenFilter->isFilteredOut(mergedNodeCodePoints[0])) {
return siblingPos;
}
childDicNodes->pushLeavingChild(dicNode, nextPos, childrenPos, attributesPos,
probability, isTerminal, hasChildren, isBlacklistedOrNotAWord,
mergedNodeCodePointCount, mergedNodeCodePoints);
childDicNodes->pushLeavingChild(dicNode, nextPos, childrenPos, probability, isTerminal,
hasChildren, isBlacklistedOrNotAWord, mergedNodeCodePointCount, mergedNodeCodePoints);
return siblingPos;
}

10
native/jni/src/suggest/core/dicnode/dic_node_vector.h
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@ -63,13 +63,13 @@ class DicNodeVector {
}
void pushLeavingChild(DicNode *dicNode, const int pos, const int childrenPos,
const int attributesPos, const int probability, const bool isTerminal,
const bool hasChildren, const bool isBlacklistedOrNotAWord,
const uint16_t mergedNodeCodePointCount, const int *const mergedNodeCodePoints) {
const int probability, const bool isTerminal, const bool hasChildren,
const bool isBlacklistedOrNotAWord, const uint16_t mergedNodeCodePointCount,
const int *const mergedNodeCodePoints) {
ASSERT(!mLock);
mDicNodes.push_back(mEmptyNode);
mDicNodes.back().initAsChild(dicNode, pos, childrenPos, attributesPos, probability,
isTerminal, hasChildren, isBlacklistedOrNotAWord, mergedNodeCodePointCount,
mDicNodes.back().initAsChild(dicNode, pos, childrenPos, probability, isTerminal,
hasChildren, isBlacklistedOrNotAWord, mergedNodeCodePointCount,
mergedNodeCodePoints);
}

10
native/jni/src/suggest/core/dictionary/bigram_dictionary.cpp
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@ -109,13 +109,13 @@ int BigramDictionary::getPredictions(const int *prevWord, int prevWordLength, in
int pos = getBigramListPositionForWord(prevWord, prevWordLength,
false /* forceLowerCaseSearch */);
// getBigramListPositionForWord returns 0 if this word isn't in the dictionary or has no bigrams
if (0 == pos) {
if (NOT_A_DICT_POS == pos) {
// If no bigrams for this exact word, search again in lower case.
pos = getBigramListPositionForWord(prevWord, prevWordLength,
true /* forceLowerCaseSearch */);
}
// If still no bigrams, we really don't have them!
if (0 == pos) return 0;
if (NOT_A_DICT_POS == pos) return 0;
int bigramCount = 0;
int unigramProbability = 0;
@ -154,8 +154,8 @@ int BigramDictionary::getBigramListPositionForWord(const int *prevWord, const in
int pos = mBinaryDictionaryInfo->getStructurePolicy()->getTerminalNodePositionOfWord(
mBinaryDictionaryInfo, prevWord, prevWordLength, forceLowerCaseSearch);
if (NOT_A_VALID_WORD_POS == pos) return 0;
return BinaryFormat::getBigramListPositionForWordPosition(
mBinaryDictionaryInfo->getDictRoot(), pos);
return mBinaryDictionaryInfo->getStructurePolicy()->getBigramsPositionOfNode(
mBinaryDictionaryInfo, pos);
}
bool BigramDictionary::checkFirstCharacter(int *word, int *inputCodePoints) const {
@ -178,7 +178,7 @@ bool BigramDictionary::isValidBigram(const int *word0, int length0, const int *w
int length1) const {
int pos = getBigramListPositionForWord(word0, length0, false /* forceLowerCaseSearch */);
// getBigramListPositionForWord returns 0 if this word isn't in the dictionary or has no bigrams
if (0 == pos) return false;
if (NOT_A_DICT_POS == pos) return false;
int nextWordPos = mBinaryDictionaryInfo->getStructurePolicy()->getTerminalNodePositionOfWord(
mBinaryDictionaryInfo, word1, length1, false /* forceLowerCaseSearch */);
if (NOT_A_VALID_WORD_POS == nextWordPos) return false;

2
native/jni/src/suggest/core/dictionary/binary_dictionary_bigrams_iterator.h
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@ -28,7 +28,7 @@ class BinaryDictionaryBigramsIterator {
BinaryDictionaryBigramsIterator(
const BinaryDictionaryInfo *const binaryDictionaryInfo, const int pos)
: mBinaryDictionaryInfo(binaryDictionaryInfo), mPos(pos), mBigramFlags(0),
mBigramPos(0), mHasNext(true) {}
mBigramPos(NOT_A_DICT_POS), mHasNext(pos != NOT_A_DICT_POS) {}
AK_FORCE_INLINE bool hasNext() const {
return mHasNext;

34
native/jni/src/suggest/core/dictionary/binary_format.h
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@ -73,8 +73,11 @@ class BinaryFormat {
const int length, const bool forceLowerCaseSearch);
static int getCodePointsAndProbabilityAndReturnCodePointCount(
const uint8_t *const root, const int nodePos, const int maxCodePointCount,
int *outCodePoints, int *outUnigramProbability);
static int getBigramListPositionForWordPosition(const uint8_t *const root, int position);
int *const outCodePoints, int *const outUnigramProbability);
static int getBigramListPositionForWordPosition(const uint8_t *const root,
const int nodePosition);
static int getShortcutListPositionForWordPosition(const uint8_t *const root,
const int nodePosition);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(BinaryFormat);
@ -344,8 +347,8 @@ AK_FORCE_INLINE int BinaryFormat::getTerminalPosition(const uint8_t *const root,
* Return value : the length of the word, of 0 if the word was not found.
*/
AK_FORCE_INLINE int BinaryFormat::getCodePointsAndProbabilityAndReturnCodePointCount(
const uint8_t *const root, const int nodePos,
const int maxCodePointCount, int *outCodePoints, int *outUnigramProbability) {
const uint8_t *const root, const int nodePos, const int maxCodePointCount,
int *const outCodePoints, int *const outUnigramProbability) {
int pos = 0;
int wordPos = 0;
@ -473,10 +476,11 @@ AK_FORCE_INLINE int BinaryFormat::getCodePointsAndProbabilityAndReturnCodePointC
}
AK_FORCE_INLINE int BinaryFormat::getBigramListPositionForWordPosition(
const uint8_t *const root, int position) {
if (NOT_A_VALID_WORD_POS == position) return 0;
const uint8_t *const root, const int nodePosition) {
if (NOT_A_VALID_WORD_POS == nodePosition) return NOT_A_DICT_POS;
int position = nodePosition;
const uint8_t flags = getFlagsAndForwardPointer(root, &position);
if (!(flags & FLAG_HAS_BIGRAMS)) return 0;
if (!(flags & FLAG_HAS_BIGRAMS)) return NOT_A_DICT_POS;
if (flags & FLAG_HAS_MULTIPLE_CHARS) {
position = skipOtherCharacters(root, position);
} else {
@ -488,5 +492,21 @@ AK_FORCE_INLINE int BinaryFormat::getBigramListPositionForWordPosition(
return position;
}
AK_FORCE_INLINE int BinaryFormat::getShortcutListPositionForWordPosition(
const uint8_t *const root, const int nodePosition) {
if (NOT_A_VALID_WORD_POS == nodePosition) return NOT_A_DICT_POS;
int position = nodePosition;
const uint8_t flags = getFlagsAndForwardPointer(root, &position);
if (!(flags & FLAG_HAS_SHORTCUT_TARGETS)) return NOT_A_DICT_POS;
if (flags & FLAG_HAS_MULTIPLE_CHARS) {
position = skipOtherCharacters(root, position);
} else {
getCodePointAndForwardPointer(root, &position);
}
position = skipProbability(flags, position);
position = skipChildrenPosition(flags, position);
return position;
}
} // namespace latinime
#endif // LATINIME_BINARY_FORMAT_H

16
native/jni/src/suggest/core/dictionary/multi_bigram_map.h
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@ -22,8 +22,8 @@
#include "defines.h"
#include "suggest/core/dictionary/binary_dictionary_bigrams_iterator.h"
#include "suggest/core/dictionary/binary_dictionary_info.h"
#include "suggest/core/dictionary/binary_format.h"
#include "suggest/core/dictionary/bloom_filter.h"
#include "suggest/core/dictionary/probability_utils.h"
#include "utils/hash_map_compat.h"
namespace latinime {
@ -67,11 +67,8 @@ class MultiBigramMap {
~BigramMap() {}
void init(const BinaryDictionaryInfo *const binaryDictionaryInfo, const int nodePos) {
const int bigramsListPos = BinaryFormat::getBigramListPositionForWordPosition(
binaryDictionaryInfo->getDictRoot(), nodePos);
if (0 == bigramsListPos) {
return;
}
const int bigramsListPos = binaryDictionaryInfo->getStructurePolicy()->
getBigramsPositionOfNode(binaryDictionaryInfo, nodePos);
for (BinaryDictionaryBigramsIterator bigramsIt(binaryDictionaryInfo, bigramsListPos);
bigramsIt.hasNext(); /* no-op */) {
bigramsIt.next();
@ -110,11 +107,8 @@ class MultiBigramMap {
AK_FORCE_INLINE int readBigramProbabilityFromBinaryDictionary(
const BinaryDictionaryInfo *const binaryDictionaryInfo, const int nodePos,
const int nextWordPosition, const int unigramProbability) {
const int bigramsListPos = BinaryFormat::getBigramListPositionForWordPosition(
binaryDictionaryInfo->getDictRoot(), nodePos);
if (0 == bigramsListPos) {
return ProbabilityUtils::backoff(unigramProbability);
}
const int bigramsListPos = binaryDictionaryInfo->getStructurePolicy()->
getBigramsPositionOfNode(binaryDictionaryInfo, nodePos);
for (BinaryDictionaryBigramsIterator bigramsIt(binaryDictionaryInfo, bigramsListPos);
bigramsIt.hasNext(); /* no-op */) {
bigramsIt.next();

6
native/jni/src/suggest/core/policy/dictionary_structure_policy.h
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@ -62,6 +62,12 @@ class DictionaryStructurePolicy {
virtual int getUnigramProbability(const BinaryDictionaryInfo *const binaryDictionaryInfo,
const int nodePos) const = 0;
virtual int getShortcutPositionOfNode(const BinaryDictionaryInfo *const binaryDictionaryInfo,
const int nodePos) const = 0;
virtual int getBigramsPositionOfNode(const BinaryDictionaryInfo *const binaryDictionaryInfo,
const int nodePos) const = 0;
protected:
DictionaryStructurePolicy() {}
virtual ~DictionaryStructurePolicy() {}

6
native/jni/src/suggest/core/suggest.cpp
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@ -210,14 +210,16 @@ int Suggest::outputSuggestions(DicTraverseSession *traverseSession, int *frequen
}
if (!terminalDicNode->hasMultipleWords()) {
const BinaryDictionaryInfo *const binaryDictionaryInfo =
traverseSession->getBinaryDictionaryInfo();
const TerminalAttributes terminalAttributes(traverseSession->getBinaryDictionaryInfo(),
terminalDicNode->getAttributesPos());
binaryDictionaryInfo->getStructurePolicy()->getShortcutPositionOfNode(
binaryDictionaryInfo, terminalDicNode->getPos()));
// Shortcut is not supported for multiple words suggestions.
// TODO: Check shortcuts during traversal for multiple words suggestions.
const bool sameAsTyped = TRAVERSAL->sameAsTyped(traverseSession, terminalDicNode);
outputWordIndex = ShortcutUtils::outputShortcuts(&terminalAttributes, outputWordIndex,
finalScore, outputCodePoints, frequencies, outputTypes, sameAsTyped);
}
DicNode::managedDelete(terminalDicNode);
}

14
native/jni/src/suggest/policyimpl/dictionary/patricia_trie_policy.cpp
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@ -69,4 +69,18 @@ int PatriciaTriePolicy::getUnigramProbability(
return BinaryFormat::readProbabilityWithoutMovingPointer(root, pos);
}
int PatriciaTriePolicy::getShortcutPositionOfNode(
const BinaryDictionaryInfo *const binaryDictionaryInfo,
const int nodePos) const {
return BinaryFormat::getShortcutListPositionForWordPosition(
binaryDictionaryInfo->getDictRoot(), nodePos);
}
int PatriciaTriePolicy::getBigramsPositionOfNode(
const BinaryDictionaryInfo *const binaryDictionaryInfo,
const int nodePos) const {
return BinaryFormat::getBigramListPositionForWordPosition(
binaryDictionaryInfo->getDictRoot(), nodePos);
}
} // namespace latinime

6
native/jni/src/suggest/policyimpl/dictionary/patricia_trie_policy.h
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@ -48,6 +48,12 @@ class PatriciaTriePolicy : public DictionaryStructurePolicy {
int getUnigramProbability(const BinaryDictionaryInfo *const binaryDictionaryInfo,
const int nodePos) const;
int getShortcutPositionOfNode(const BinaryDictionaryInfo *const binaryDictionaryInfo,
const int nodePos) const;
int getBigramsPositionOfNode(const BinaryDictionaryInfo *const binaryDictionaryInfo,
const int nodePos) const;
private:
DISALLOW_COPY_AND_ASSIGN(PatriciaTriePolicy);
static const PatriciaTriePolicy sInstance;