aboutsummaryrefslogtreecommitdiffstats
path: root/native/jni/src/suggest/policyimpl/dictionary/header/header_policy.cpp
diff options
context:
space:
mode:
authorKeisuke Kuroyanagi <ksk@google.com>2014-12-17 16:02:09 +0900
committerKeisuke Kuroyanagi <ksk@google.com>2014-12-17 16:02:09 +0900
commit88bc312ad34321fb3e81be2dc939a889d065f4a7 (patch)
treea736bbf5bb585df33aed8cb88ab7658e27c767db /native/jni/src/suggest/policyimpl/dictionary/header/header_policy.cpp
parent0bb038a19df83fd18c5726ec74f0e24cbb559ce8 (diff)
downloadlatinime-88bc312ad34321fb3e81be2dc939a889d065f4a7.tar.gz
latinime-88bc312ad34321fb3e81be2dc939a889d065f4a7.tar.xz
latinime-88bc312ad34321fb3e81be2dc939a889d065f4a7.zip
Move dictionary code to top level dictionary dir.
Bug: 18725954 Change-Id: Ia442ba4b5d84311057d83edf6e7aeb151d6a820b
Diffstat (limited to 'native/jni/src/suggest/policyimpl/dictionary/header/header_policy.cpp')
-rw-r--r--native/jni/src/suggest/policyimpl/dictionary/header/header_policy.cpp183
1 files changed, 0 insertions, 183 deletions
diff --git a/native/jni/src/suggest/policyimpl/dictionary/header/header_policy.cpp b/native/jni/src/suggest/policyimpl/dictionary/header/header_policy.cpp
deleted file mode 100644
index c93f31017..000000000
--- a/native/jni/src/suggest/policyimpl/dictionary/header/header_policy.cpp
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright (C) 2013, The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "suggest/policyimpl/dictionary/header/header_policy.h"
-
-#include <algorithm>
-
-#include "utils/ngram_utils.h"
-
-namespace latinime {
-
-// Note that these are corresponding definitions in Java side in DictionaryHeader.
-const char *const HeaderPolicy::MULTIPLE_WORDS_DEMOTION_RATE_KEY = "MULTIPLE_WORDS_DEMOTION_RATE";
-const char *const HeaderPolicy::REQUIRES_GERMAN_UMLAUT_PROCESSING_KEY =
- "REQUIRES_GERMAN_UMLAUT_PROCESSING";
-// TODO: Change attribute string to "IS_DECAYING_DICT".
-const char *const HeaderPolicy::IS_DECAYING_DICT_KEY = "USES_FORGETTING_CURVE";
-const char *const HeaderPolicy::DATE_KEY = "date";
-const char *const HeaderPolicy::LAST_DECAYED_TIME_KEY = "LAST_DECAYED_TIME";
-const char *const HeaderPolicy::NGRAM_COUNT_KEYS[] =
- {"UNIGRAM_COUNT", "BIGRAM_COUNT", "TRIGRAM_COUNT", "QUADGRAM_COUNT"};
-const char *const HeaderPolicy::MAX_NGRAM_COUNT_KEYS[] =
- {"MAX_UNIGRAM_ENTRY_COUNT", "MAX_BIGRAM_ENTRY_COUNT", "MAX_TRIGRAM_ENTRY_COUNT",
- "MAX_QUADGRAM_ENTRY_COUNT"};
-const int HeaderPolicy::DEFAULT_MAX_NGRAM_COUNTS[] = {10000, 30000, 30000, 30000};
-const char *const HeaderPolicy::EXTENDED_REGION_SIZE_KEY = "EXTENDED_REGION_SIZE";
-// Historical info is information that is needed to support decaying such as timestamp, level and
-// count.
-const char *const HeaderPolicy::HAS_HISTORICAL_INFO_KEY = "HAS_HISTORICAL_INFO";
-const char *const HeaderPolicy::LOCALE_KEY = "locale"; // match Java declaration
-const char *const HeaderPolicy::FORGETTING_CURVE_PROBABILITY_VALUES_TABLE_ID_KEY =
- "FORGETTING_CURVE_PROBABILITY_VALUES_TABLE_ID";
-
-const int HeaderPolicy::DEFAULT_MULTIPLE_WORDS_DEMOTION_RATE = 100;
-const float HeaderPolicy::MULTIPLE_WORD_COST_MULTIPLIER_SCALE = 100.0f;
-const int HeaderPolicy::DEFAULT_FORGETTING_CURVE_PROBABILITY_VALUES_TABLE_ID = 3;
-
-// Used for logging. Question mark is used to indicate that the key is not found.
-void HeaderPolicy::readHeaderValueOrQuestionMark(const char *const key, int *outValue,
- int outValueSize) const {
- if (outValueSize <= 0) return;
- if (outValueSize == 1) {
- outValue[0] = '\0';
- return;
- }
- std::vector<int> keyCodePointVector;
- HeaderReadWriteUtils::insertCharactersIntoVector(key, &keyCodePointVector);
- DictionaryHeaderStructurePolicy::AttributeMap::const_iterator it =
- mAttributeMap.find(keyCodePointVector);
- if (it == mAttributeMap.end()) {
- // The key was not found.
- outValue[0] = '?';
- outValue[1] = '\0';
- return;
- }
- const int terminalIndex = std::min(static_cast<int>(it->second.size()), outValueSize - 1);
- for (int i = 0; i < terminalIndex; ++i) {
- outValue[i] = it->second[i];
- }
- outValue[terminalIndex] = '\0';
-}
-
-const std::vector<int> HeaderPolicy::readLocale() const {
- return HeaderReadWriteUtils::readCodePointVectorAttributeValue(&mAttributeMap, LOCALE_KEY);
-}
-
-float HeaderPolicy::readMultipleWordCostMultiplier() const {
- const int demotionRate = HeaderReadWriteUtils::readIntAttributeValue(&mAttributeMap,
- MULTIPLE_WORDS_DEMOTION_RATE_KEY, DEFAULT_MULTIPLE_WORDS_DEMOTION_RATE);
- if (demotionRate <= 0) {
- return static_cast<float>(MAX_VALUE_FOR_WEIGHTING);
- }
- return MULTIPLE_WORD_COST_MULTIPLIER_SCALE / static_cast<float>(demotionRate);
-}
-
-bool HeaderPolicy::readRequiresGermanUmlautProcessing() const {
- return HeaderReadWriteUtils::readBoolAttributeValue(&mAttributeMap,
- REQUIRES_GERMAN_UMLAUT_PROCESSING_KEY, false);
-}
-
-bool HeaderPolicy::fillInAndWriteHeaderToBuffer(const bool updatesLastDecayedTime,
- const EntryCounts &entryCounts, const int extendedRegionSize,
- BufferWithExtendableBuffer *const outBuffer) const {
- int writingPos = 0;
- DictionaryHeaderStructurePolicy::AttributeMap attributeMapToWrite(mAttributeMap);
- fillInHeader(updatesLastDecayedTime, entryCounts, extendedRegionSize, &attributeMapToWrite);
- if (!HeaderReadWriteUtils::writeDictionaryVersion(outBuffer, mDictFormatVersion,
- &writingPos)) {
- return false;
- }
- if (!HeaderReadWriteUtils::writeDictionaryFlags(outBuffer, mDictionaryFlags,
- &writingPos)) {
- return false;
- }
- // Temporarily writes a dummy header size.
- int headerSizeFieldPos = writingPos;
- if (!HeaderReadWriteUtils::writeDictionaryHeaderSize(outBuffer, 0 /* size */,
- &writingPos)) {
- return false;
- }
- if (!HeaderReadWriteUtils::writeHeaderAttributes(outBuffer, &attributeMapToWrite,
- &writingPos)) {
- return false;
- }
- // Writes the actual header size.
- if (!HeaderReadWriteUtils::writeDictionaryHeaderSize(outBuffer, writingPos,
- &headerSizeFieldPos)) {
- return false;
- }
- return true;
-}
-
-namespace {
-
-int getIndexFromNgramType(const NgramType ngramType) {
- return static_cast<int>(ngramType);
-}
-
-} // namespace
-
-void HeaderPolicy::fillInHeader(const bool updatesLastDecayedTime,
- const EntryCounts &entryCounts, const int extendedRegionSize,
- DictionaryHeaderStructurePolicy::AttributeMap *outAttributeMap) const {
- for (const auto ngramType : AllNgramTypes::ASCENDING) {
- HeaderReadWriteUtils::setIntAttribute(outAttributeMap,
- NGRAM_COUNT_KEYS[getIndexFromNgramType(ngramType)],
- entryCounts.getNgramCount(ngramType));
- }
- HeaderReadWriteUtils::setIntAttribute(outAttributeMap, EXTENDED_REGION_SIZE_KEY,
- extendedRegionSize);
- // Set the current time as the generation time.
- HeaderReadWriteUtils::setIntAttribute(outAttributeMap, DATE_KEY,
- TimeKeeper::peekCurrentTime());
- HeaderReadWriteUtils::setCodePointVectorAttribute(outAttributeMap, LOCALE_KEY, mLocale);
- if (updatesLastDecayedTime) {
- // Set current time as the last updated time.
- HeaderReadWriteUtils::setIntAttribute(outAttributeMap, LAST_DECAYED_TIME_KEY,
- TimeKeeper::peekCurrentTime());
- }
-}
-
-/* static */ DictionaryHeaderStructurePolicy::AttributeMap
- HeaderPolicy::createAttributeMapAndReadAllAttributes(const uint8_t *const dictBuf) {
- DictionaryHeaderStructurePolicy::AttributeMap attributeMap;
- HeaderReadWriteUtils::fetchAllHeaderAttributes(dictBuf, &attributeMap);
- return attributeMap;
-}
-
-/* static */ const EntryCounts HeaderPolicy::readNgramCounts() const {
- MutableEntryCounters entryCounters;
- for (const auto ngramType : AllNgramTypes::ASCENDING) {
- const int entryCount = HeaderReadWriteUtils::readIntAttributeValue(&mAttributeMap,
- NGRAM_COUNT_KEYS[getIndexFromNgramType(ngramType)], 0 /* defaultValue */);
- entryCounters.setNgramCount(ngramType, entryCount);
- }
- return entryCounters.getEntryCounts();
-}
-
-/* static */ const EntryCounts HeaderPolicy::readMaxNgramCounts() const {
- MutableEntryCounters entryCounters;
- for (const auto ngramType : AllNgramTypes::ASCENDING) {
- const int index = getIndexFromNgramType(ngramType);
- const int maxEntryCount = HeaderReadWriteUtils::readIntAttributeValue(&mAttributeMap,
- MAX_NGRAM_COUNT_KEYS[index], DEFAULT_MAX_NGRAM_COUNTS[index]);
- entryCounters.setNgramCount(ngramType, maxEntryCount);
- }
- return entryCounters.getEntryCounts();
-}
-
-} // namespace latinime