68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
#include "concordia/hash_generator.hpp"
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#include "concordia/common/utils.hpp"
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#include "concordia/token_annotation.hpp"
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#include <boost/filesystem.hpp>
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#include <boost/archive/binary_oarchive.hpp>
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#include <boost/archive/binary_iarchive.hpp>
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#include <boost/algorithm/string.hpp>
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#include <boost/foreach.hpp>
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#include <fstream>
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HashGenerator::HashGenerator(std::string indexPath,
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boost::shared_ptr<ConcordiaConfig> config)
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throw(ConcordiaException) :
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_wordMapFilePath(indexPath+"/"+WORD_MAP_FILE_NAME),
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_wordMap(boost::shared_ptr<WordMap>(new WordMap)),
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_sentenceTokenizer(boost::shared_ptr<SentenceTokenizer>(
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new SentenceTokenizer(config))) {
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if (boost::filesystem::exists(_wordMapFilePath)) {
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std::ifstream ifs(_wordMapFilePath.c_str(), std::ios::binary);
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boost::archive::binary_iarchive ia(ifs);
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boost::shared_ptr<WordMap> restoredWordMap(new WordMap);
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ia >> *_wordMap;
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}
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}
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HashGenerator::~HashGenerator() {
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}
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TokenizedSentence HashGenerator::generateHash(
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const std::string & sentence,
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bool byWhitespace) throw(ConcordiaException) {
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TokenizedSentence ts = _sentenceTokenizer->tokenize(sentence, byWhitespace);
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ts.generateHash(_wordMap);
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if (ts.getTokens().size() > Utils::maxSentenceSize) {
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throw ConcordiaException("Trying to add too long sentence.");
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}
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return ts;
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}
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TokenizedSentence HashGenerator::generateTokens(
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const std::string & sentence,
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bool byWhitespace) throw(ConcordiaException) {
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TokenizedSentence ts = _sentenceTokenizer->tokenize(sentence, byWhitespace);
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ts.generateTokens();
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if (ts.getTokens().size() > Utils::maxSentenceSize) {
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throw ConcordiaException("Trying to add too long sentence.");
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}
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return ts;
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}
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void HashGenerator::serializeWordMap() {
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std::ofstream ofs(_wordMapFilePath.c_str(), std::ios::binary);
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boost::archive::binary_oarchive oa(ofs);
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oa << *_wordMap;
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}
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void HashGenerator::clearWordMap() {
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_wordMap = boost::shared_ptr<WordMap>(new WordMap);
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boost::filesystem::remove(_wordMapFilePath);
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}
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