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Use LanguageModelDictContent in getWordProperty().

Browse Source 
Bug: 14425059
Change-Id: Ic230f764ff5570f24ce6ce930023798718f326df
This commit is contained in:
Keisuke Kuroyanagi 2014-08-25 21:07:10 +09:00
parent 1c14effab5
commit 8b4409f4b9
2 changed files with 25 additions and 48 deletions
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71
native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
View File

@ -188,18 +188,6 @@ int Ver4PatriciaTriePolicy::getShortcutPositionOfPtNode(const int ptNodePos) con
ptNodeParams.getTerminalId());
}
int Ver4PatriciaTriePolicy::getBigramsPositionOfPtNode(const int ptNodePos) const {
if (ptNodePos == NOT_A_DICT_POS) {
return NOT_A_DICT_POS;
}
const PtNodeParams ptNodeParams(mNodeReader.fetchPtNodeParamsInBufferFromPtNodePos(ptNodePos));
if (ptNodeParams.isDeleted()) {
return NOT_A_DICT_POS;
}
return mBuffers->getBigramDictContent()->getBigramListHeadPos(
ptNodeParams.getTerminalId());
}
bool Ver4PatriciaTriePolicy::addUnigramEntry(const int *const word, const int length,
const UnigramProperty *const unigramProperty) {
if (!mBuffers->isUpdatable()) {
@ -480,41 +468,32 @@ const WordProperty Ver4PatriciaTriePolicy::getWordProperty(const int *const code
ptNodeParams.getTerminalId());
const HistoricalInfo *const historicalInfo = probabilityEntry.getHistoricalInfo();
// Fetch bigram information.
// TODO: Support n-gram.
std::vector<BigramProperty> bigrams;
const int bigramListPos = getBigramsPositionOfPtNode(ptNodePos);
if (bigramListPos != NOT_A_DICT_POS) {
int bigramWord1CodePoints[MAX_WORD_LENGTH];
const BigramDictContent *const bigramDictContent = mBuffers->getBigramDictContent();
const TerminalPositionLookupTable *const terminalPositionLookupTable =
mBuffers->getTerminalPositionLookupTable();
bool hasNext = true;
int readingPos = bigramListPos;
while (hasNext) {
const BigramEntry bigramEntry =
bigramDictContent->getBigramEntryAndAdvancePosition(&readingPos);
hasNext = bigramEntry.hasNext();
const int word1TerminalId = bigramEntry.getTargetTerminalId();
const int word1TerminalPtNodePos =
terminalPositionLookupTable->getTerminalPtNodePosition(word1TerminalId);
if (word1TerminalPtNodePos == NOT_A_DICT_POS) {
continue;
}
// Word (unigram) probability
int word1Probability = NOT_A_PROBABILITY;
const int codePointCount = getCodePointsAndProbabilityAndReturnCodePointCount(
word1TerminalPtNodePos, MAX_WORD_LENGTH, bigramWord1CodePoints,
&word1Probability);
const std::vector<int> word1(bigramWord1CodePoints,
bigramWord1CodePoints + codePointCount);
const HistoricalInfo *const historicalInfo = bigramEntry.getHistoricalInfo();
const int probability = bigramEntry.hasHistoricalInfo() ?
ForgettingCurveUtils::decodeProbability(
bigramEntry.getHistoricalInfo(), mHeaderPolicy) :
bigramEntry.getProbability();
bigrams.emplace_back(&word1, probability,
historicalInfo->getTimeStamp(), historicalInfo->getLevel(),
historicalInfo->getCount());
}
const int wordId = ptNodeParams.getTerminalId();
const WordIdArrayView prevWordIds = WordIdArrayView::fromObject(&wordId);
const TerminalPositionLookupTable *const terminalPositionLookupTable =
mBuffers->getTerminalPositionLookupTable();
int bigramWord1CodePoints[MAX_WORD_LENGTH];
for (const auto entry : mBuffers->getLanguageModelDictContent()->getProbabilityEntries(
prevWordIds)) {
const int word1TerminalPtNodePos =
terminalPositionLookupTable->getTerminalPtNodePosition(entry.getWordId());
// Word (unigram) probability
int word1Probability = NOT_A_PROBABILITY;
const int codePointCount = getCodePointsAndProbabilityAndReturnCodePointCount(
word1TerminalPtNodePos, MAX_WORD_LENGTH, bigramWord1CodePoints,
&word1Probability);
const std::vector<int> word1(bigramWord1CodePoints,
bigramWord1CodePoints + codePointCount);
const ProbabilityEntry probabilityEntry = entry.getProbabilityEntry();
const HistoricalInfo *const historicalInfo = probabilityEntry.getHistoricalInfo();
const int probability = probabilityEntry.hasHistoricalInfo() ?
ForgettingCurveUtils::decodeProbability(historicalInfo, mHeaderPolicy) :
probabilityEntry.getProbability();
bigrams.emplace_back(&word1, probability,
historicalInfo->getTimeStamp(), historicalInfo->getLevel(),
historicalInfo->getCount());
}
// Fetch shortcut information.
std::vector<UnigramProperty::ShortcutProperty> shortcuts;

2
native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.h
View File

@ -143,8 +143,6 @@ class Ver4PatriciaTriePolicy : public DictionaryStructureWithBufferPolicy {
int mBigramCount;
std::vector<int> mTerminalPtNodePositionsForIteratingWords;
mutable bool mIsCorrupted;
int getBigramsPositionOfPtNode(const int ptNodePos) const;
};
} // namespace latinime
#endif // LATINIME_VER4_PATRICIA_TRIE_POLICY_H