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am a704ad25: Merge "Remove PrevWordsInfo.getBigramsIteratorForPrediction()." into lmp-dev 

* commit 'a704ad254eaf54822e27b9adc1fb97405fd56e4f':
  Remove PrevWordsInfo.getBigramsIteratorForPrediction().
main
Keisuke Kuroyanagi 2014-07-30 16:58:12 +00:00 committed by Android Git Automerger
parent f466c27601 a704ad254e
commit 85d12427e7
9 changed files with 46 additions and 76 deletions
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16
native/jni/src/suggest/core/dictionary/dictionary.cpp
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@ -92,7 +92,11 @@ void Dictionary::getPredictions(const PrevWordsInfo *const prevWordsInfo,
TimeKeeper::setCurrentTime();
NgramListenerForPrediction listener(prevWordsInfo, outSuggestionResults,
mDictionaryStructureWithBufferPolicy.get());
mDictionaryStructureWithBufferPolicy->iterateNgramEntries(prevWordsInfo, &listener);
int prevWordsPtNodePos[MAX_PREV_WORD_COUNT_FOR_N_GRAM];
prevWordsInfo->getPrevWordsTerminalPtNodePos(
mDictionaryStructureWithBufferPolicy.get(), prevWordsPtNodePos,
true /* tryLowerCaseSearch */);
mDictionaryStructureWithBufferPolicy->iterateNgramEntries(prevWordsPtNodePos, &listener);
}
int Dictionary::getProbability(const int *word, int length) const {
@ -111,7 +115,15 @@ int Dictionary::getNgramProbability(const PrevWordsInfo *const prevWordsInfo, co
int nextWordPos = mDictionaryStructureWithBufferPolicy->getTerminalPtNodePositionOfWord(word,
length, false /* forceLowerCaseSearch */);
if (NOT_A_DICT_POS == nextWordPos) return NOT_A_PROBABILITY;
return getDictionaryStructurePolicy()->getProbabilityOfPtNode(prevWordsInfo, nextWordPos);
if (!prevWordsInfo) {
return getDictionaryStructurePolicy()->getProbabilityOfPtNode(
nullptr /* prevWordsPtNodePos */, nextWordPos);
}
int prevWordsPtNodePos[MAX_PREV_WORD_COUNT_FOR_N_GRAM];
prevWordsInfo->getPrevWordsTerminalPtNodePos(
mDictionaryStructureWithBufferPolicy.get(), prevWordsPtNodePos,
true /* tryLowerCaseSearch */);
return getDictionaryStructurePolicy()->getProbabilityOfPtNode(prevWordsPtNodePos, nextWordPos);
}
bool Dictionary::addUnigramEntry(const int *const word, const int length,

4
native/jni/src/suggest/core/policy/dictionary_structure_with_buffer_policy.h
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@ -59,10 +59,10 @@ class DictionaryStructureWithBufferPolicy {
virtual int getProbability(const int unigramProbability,
const int bigramProbability) const = 0;
virtual int getProbabilityOfPtNode(const PrevWordsInfo *const prevWordsInfo,
virtual int getProbabilityOfPtNode(const int *const prevWordsPtNodePos,
const int nodePos) const = 0;
virtual void iterateNgramEntries(const PrevWordsInfo *const prevWordsInfo,
virtual void iterateNgramEntries(const int *const prevWordsPtNodePos,
NgramListener *const listener) const = 0;
virtual int getShortcutPositionOfPtNode(const int nodePos) const = 0;

47
native/jni/src/suggest/core/session/prev_words_info.h
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@ -90,13 +90,6 @@ class PrevWordsInfo {
}
}
BinaryDictionaryBigramsIterator getBigramsIteratorForPrediction(
const DictionaryStructureWithBufferPolicy *const dictStructurePolicy) const {
return getBigramsIteratorForWordWithTryingLowerCaseSearch(
dictStructurePolicy, mPrevWordCodePoints[0], mPrevWordCodePointCount[0],
mIsBeginningOfSentence[0]);
}
// n is 1-indexed.
const int *getNthPrevWordCodePoints(const int n) const {
if (n <= 0 || n > MAX_PREV_WORD_COUNT_FOR_N_GRAM) {
@ -154,46 +147,6 @@ class PrevWordsInfo {
codePoints, codePointCount, true /* forceLowerCaseSearch */);
}
static BinaryDictionaryBigramsIterator getBigramsIteratorForWordWithTryingLowerCaseSearch(
const DictionaryStructureWithBufferPolicy *const dictStructurePolicy,
const int *const wordCodePoints, const int wordCodePointCount,
const bool isBeginningOfSentence) {
if (!dictStructurePolicy || !wordCodePoints || wordCodePointCount > MAX_WORD_LENGTH) {
return BinaryDictionaryBigramsIterator();
}
int codePoints[MAX_WORD_LENGTH];
int codePointCount = wordCodePointCount;
memmove(codePoints, wordCodePoints, sizeof(int) * codePointCount);
if (isBeginningOfSentence) {
codePointCount = CharUtils::attachBeginningOfSentenceMarker(codePoints,
codePointCount, MAX_WORD_LENGTH);
if (codePointCount <= 0) {
return BinaryDictionaryBigramsIterator();
}
}
BinaryDictionaryBigramsIterator bigramsIt = getBigramsIteratorForWord(dictStructurePolicy,
codePoints, codePointCount, false /* forceLowerCaseSearch */);
// getBigramsIteratorForWord returns an empty iterator if this word isn't in the dictionary
// or has no bigrams.
if (bigramsIt.hasNext()) {
return bigramsIt;
}
// If no bigrams for this exact word, search again in lower case.
return getBigramsIteratorForWord(dictStructurePolicy, codePoints,
codePointCount, true /* forceLowerCaseSearch */);
}
static BinaryDictionaryBigramsIterator getBigramsIteratorForWord(
const DictionaryStructureWithBufferPolicy *const dictStructurePolicy,
const int *wordCodePoints, const int wordCodePointCount,
const bool forceLowerCaseSearch) {
if (!wordCodePoints || wordCodePointCount <= 0) return BinaryDictionaryBigramsIterator();
const int terminalPtNodePos = dictStructurePolicy->getTerminalPtNodePositionOfWord(
wordCodePoints, wordCodePointCount, forceLowerCaseSearch);
if (NOT_A_DICT_POS == terminalPtNodePos) return BinaryDictionaryBigramsIterator();
return dictStructurePolicy->getBigramsIteratorOfPtNode(terminalPtNodePos);
}
void clear() {
for (size_t i = 0; i < NELEMS(mPrevWordCodePoints); ++i) {
mPrevWordCodePointCount[i] = 0;

14
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/ver4_patricia_trie_policy.cpp
View File

@ -132,7 +132,7 @@ int Ver4PatriciaTriePolicy::getProbability(const int unigramProbability,
}
}
int Ver4PatriciaTriePolicy::getProbabilityOfPtNode(const PrevWordsInfo *const prevWordsInfo,
int Ver4PatriciaTriePolicy::getProbabilityOfPtNode(const int *const prevWordsPtNodePos,
const int ptNodePos) const {
if (ptNodePos == NOT_A_DICT_POS) {
return NOT_A_PROBABILITY;
@ -141,9 +141,9 @@ int Ver4PatriciaTriePolicy::getProbabilityOfPtNode(const PrevWordsInfo *const pr
if (ptNodeParams.isDeleted() || ptNodeParams.isBlacklisted() || ptNodeParams.isNotAWord()) {
return NOT_A_PROBABILITY;
}
if (prevWordsInfo) {
if (prevWordsPtNodePos) {
BinaryDictionaryBigramsIterator bigramsIt =
prevWordsInfo->getBigramsIteratorForPrediction(this /* dictStructurePolicy */);
getBigramsIteratorOfPtNode(prevWordsPtNodePos[0]);
while (bigramsIt.hasNext()) {
bigramsIt.next();
if (bigramsIt.getBigramPos() == ptNodePos
@ -156,10 +156,12 @@ int Ver4PatriciaTriePolicy::getProbabilityOfPtNode(const PrevWordsInfo *const pr
return getProbability(ptNodeParams.getProbability(), NOT_A_PROBABILITY);
}
void Ver4PatriciaTriePolicy::iterateNgramEntries(const PrevWordsInfo *const prevWordsInfo,
void Ver4PatriciaTriePolicy::iterateNgramEntries(const int *const prevWordsPtNodePos,
NgramListener *const listener) const {
BinaryDictionaryBigramsIterator bigramsIt = prevWordsInfo->getBigramsIteratorForPrediction(
this /* dictStructurePolicy */);
if (!prevWordsPtNodePos) {
return;
}
BinaryDictionaryBigramsIterator bigramsIt = getBigramsIteratorOfPtNode(prevWordsPtNodePos[0]);
while (bigramsIt.hasNext()) {
bigramsIt.next();
listener->onVisitEntry(bigramsIt.getProbability(), bigramsIt.getBigramPos());

5
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/ver4_patricia_trie_policy.h
View File

@ -90,10 +90,9 @@ class Ver4PatriciaTriePolicy : public DictionaryStructureWithBufferPolicy {
int getProbability(const int unigramProbability, const int bigramProbability) const;
int getProbabilityOfPtNode(const PrevWordsInfo *const prevWordsInfo,
const int ptNodePos) const;
int getProbabilityOfPtNode(const int *const prevWordsPtNodePos, const int ptNodePos) const;
void iterateNgramEntries(const PrevWordsInfo *const prevWordsInfo,
void iterateNgramEntries(const int *const prevWordsPtNodePos,
NgramListener *const listener) const;
int getShortcutPositionOfPtNode(const int ptNodePos) const;

14
native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp
View File

@ -297,7 +297,7 @@ int PatriciaTriePolicy::getProbability(const int unigramProbability,
}
}
int PatriciaTriePolicy::getProbabilityOfPtNode(const PrevWordsInfo *const prevWordsInfo,
int PatriciaTriePolicy::getProbabilityOfPtNode(const int *const prevWordsPtNodePos,
const int ptNodePos) const {
if (ptNodePos == NOT_A_DICT_POS) {
return NOT_A_PROBABILITY;
@ -310,9 +310,9 @@ int PatriciaTriePolicy::getProbabilityOfPtNode(const PrevWordsInfo *const prevWo
// for shortcuts).
return NOT_A_PROBABILITY;
}
if (prevWordsInfo) {
if (prevWordsPtNodePos) {
BinaryDictionaryBigramsIterator bigramsIt =
prevWordsInfo->getBigramsIteratorForPrediction(this /* dictStructurePolicy */);
getBigramsIteratorOfPtNode(prevWordsPtNodePos[0]);
while (bigramsIt.hasNext()) {
bigramsIt.next();
if (bigramsIt.getBigramPos() == ptNodePos
@ -325,10 +325,12 @@ int PatriciaTriePolicy::getProbabilityOfPtNode(const PrevWordsInfo *const prevWo
return getProbability(ptNodeParams.getProbability(), NOT_A_PROBABILITY);
}
void PatriciaTriePolicy::iterateNgramEntries(const PrevWordsInfo *const prevWordsInfo,
void PatriciaTriePolicy::iterateNgramEntries(const int *const prevWordsPtNodePos,
NgramListener *const listener) const {
BinaryDictionaryBigramsIterator bigramsIt = prevWordsInfo->getBigramsIteratorForPrediction(
this /* dictStructurePolicy */);
if (!prevWordsPtNodePos) {
return;
}
BinaryDictionaryBigramsIterator bigramsIt = getBigramsIteratorOfPtNode(prevWordsPtNodePos[0]);
while (bigramsIt.hasNext()) {
bigramsIt.next();
listener->onVisitEntry(bigramsIt.getProbability(), bigramsIt.getBigramPos());

4
native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.h
View File

@ -63,9 +63,9 @@ class PatriciaTriePolicy : public DictionaryStructureWithBufferPolicy {
int getProbability(const int unigramProbability, const int bigramProbability) const;
int getProbabilityOfPtNode(const PrevWordsInfo *const prevWordsInfo, const int ptNodePos) const;
int getProbabilityOfPtNode(const int *const prevWordsPtNodePos, const int ptNodePos) const;
void iterateNgramEntries(const PrevWordsInfo *const prevWordsInfo,
void iterateNgramEntries(const int *const prevWordsPtNodePos,
NgramListener *const listener) const;
int getShortcutPositionOfPtNode(const int ptNodePos) const;

14
native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
View File

@ -122,7 +122,7 @@ int Ver4PatriciaTriePolicy::getProbability(const int unigramProbability,
}
}
int Ver4PatriciaTriePolicy::getProbabilityOfPtNode(const PrevWordsInfo *const prevWordsInfo,
int Ver4PatriciaTriePolicy::getProbabilityOfPtNode(const int *const prevWordsPtNodePos,
const int ptNodePos) const {
if (ptNodePos == NOT_A_DICT_POS) {
return NOT_A_PROBABILITY;
@ -131,9 +131,9 @@ int Ver4PatriciaTriePolicy::getProbabilityOfPtNode(const PrevWordsInfo *const pr
if (ptNodeParams.isDeleted() || ptNodeParams.isBlacklisted() || ptNodeParams.isNotAWord()) {
return NOT_A_PROBABILITY;
}
if (prevWordsInfo) {
if (prevWordsPtNodePos) {
BinaryDictionaryBigramsIterator bigramsIt =
prevWordsInfo->getBigramsIteratorForPrediction(this /* dictStructurePolicy */);
getBigramsIteratorOfPtNode(prevWordsPtNodePos[0]);
while (bigramsIt.hasNext()) {
bigramsIt.next();
if (bigramsIt.getBigramPos() == ptNodePos
@ -146,10 +146,12 @@ int Ver4PatriciaTriePolicy::getProbabilityOfPtNode(const PrevWordsInfo *const pr
return getProbability(ptNodeParams.getProbability(), NOT_A_PROBABILITY);
}
void Ver4PatriciaTriePolicy::iterateNgramEntries(const PrevWordsInfo *const prevWordsInfo,
void Ver4PatriciaTriePolicy::iterateNgramEntries(const int *const prevWordsPtNodePos,
NgramListener *const listener) const {
BinaryDictionaryBigramsIterator bigramsIt = prevWordsInfo->getBigramsIteratorForPrediction(
this /* dictStructurePolicy */);
if (!prevWordsPtNodePos) {
return;
}
BinaryDictionaryBigramsIterator bigramsIt = getBigramsIteratorOfPtNode(prevWordsPtNodePos[0]);
while (bigramsIt.hasNext()) {
bigramsIt.next();
listener->onVisitEntry(bigramsIt.getProbability(), bigramsIt.getBigramPos());

4
native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.h
View File

@ -72,9 +72,9 @@ class Ver4PatriciaTriePolicy : public DictionaryStructureWithBufferPolicy {
int getProbability(const int unigramProbability, const int bigramProbability) const;
int getProbabilityOfPtNode(const PrevWordsInfo *const prevWordsInfo, const int ptNodePos) const;
int getProbabilityOfPtNode(const int *const prevWordsPtNodePos, const int ptNodePos) const;
void iterateNgramEntries(const PrevWordsInfo *const prevWordsInfo,
void iterateNgramEntries(const int *const prevWordsPtNodePos,
NgramListener *const listener) const;
int getShortcutPositionOfPtNode(const int ptNodePos) const;