nyancrimew/LatinIME
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Merge "Fetch bigram information in getWordProperty()."

Browse source
This commit is contained in:
Keisuke Kuroyanagi 2014-01-31 11:36:44 +00:00 committed by Android (Google) Code Review
commit 25e71fdc82
1 changed files with 35 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
View file

@ -332,8 +332,42 @@ const WordProperty Ver4PatriciaTriePolicy::getWordProperty(const int *const code
mBuffers.get()->getProbabilityDictContent()->getProbabilityEntry(
ptNodeParams.getTerminalId());
const HistoricalInfo *const historicalInfo = probabilityEntry.getHistoricalInfo();
// TODO: Fetch bigram information.
// Fetch bigram information.
std::vector<WordProperty::BigramProperty> bigrams;
const int bigramListPos = getBigramsPositionOfPtNode(ptNodePos);
if (bigramListPos != NOT_A_DICT_POS) {
int bigramWord1CodePoints[MAX_WORD_LENGTH];
const BigramDictContent *const bigramDictContent = mBuffers.get()->getBigramDictContent();
const TerminalPositionLookupTable *const terminalPositionLookupTable =
mBuffers.get()->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);
std::vector<int> word1(bigramWord1CodePoints,
bigramWord1CodePoints + codePointCount);
const HistoricalInfo *const historicalInfo = bigramEntry.getHistoricalInfo();
const int probability = bigramEntry.hasHistoricalInfo() ?
ForgettingCurveUtils::decodeProbability(bigramEntry.getHistoricalInfo()) :
bigramEntry.getProbability();
bigrams.push_back(WordProperty::BigramProperty(&word1, probability,
historicalInfo->getTimeStamp(), historicalInfo->getLevel(),
historicalInfo->getCount()));
}
}
// Fetch shortcut information.
std::vector<WordProperty::ShortcutProperty> shortcuts;
int shortcutPos = getShortcutPositionOfPtNode(ptNodePos);