90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
#pragma once
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#include <algorithm>
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#include <set>
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#include <cassert>
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#include "limonp/Logging.hpp"
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#include "SegmentBase.hpp"
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#include "FullSegment.hpp"
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#include "MixSegment.hpp"
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#include "Unicode.hpp"
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namespace cppjieba {
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class QuerySegment: public SegmentBase {
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public:
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QuerySegment(const DictTrie* dictTrie,
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const HMMModel* model,
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const string& stopWordPath)
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: mixSeg_(dictTrie, model, stopWordPath), trie_(dictTrie) {
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}
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~QuerySegment() {
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}
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virtual void Cut(RuneStrArray::const_iterator begin, RuneStrArray::const_iterator end, vector<WordRange>& res, bool hmm,
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size_t) const override {
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//use mix Cut first
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vector<WordRange> mixRes;
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mixSeg_.CutRuneArray(begin, end, mixRes, hmm);
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vector<WordRange> fullRes;
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for (vector<WordRange>::const_iterator mixResItr = mixRes.begin(); mixResItr != mixRes.end(); mixResItr++) {
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if (mixResItr->Length() > 2) {
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for (size_t i = 0; i + 1 < mixResItr->Length(); i++) {
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string text = EncodeRunesToString(mixResItr->left + i, mixResItr->left + i + 2);
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if (trie_->Find(text) != nullptr) {
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WordRange wr(mixResItr->left + i, mixResItr->left + i + 1);
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res.push_back(wr);
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}
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}
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}
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if (mixResItr->Length() > 3) {
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for (size_t i = 0; i + 2 < mixResItr->Length(); i++) {
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string text = EncodeRunesToString(mixResItr->left + i, mixResItr->left + i + 3);
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if (trie_->Find(text) != nullptr) {
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WordRange wr(mixResItr->left + i, mixResItr->left + i + 2);
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res.push_back(wr);
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}
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}
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}
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res.push_back(*mixResItr);
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}
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}
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virtual void CutWithSentence(const string& s, RuneStrArray::const_iterator begin, RuneStrArray::const_iterator end, vector<string>& res, bool hmm,
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size_t) const override {
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std::ignore = s;
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std::ignore = begin;
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std::ignore = end;
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std::ignore = res;
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std::ignore = hmm;
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}
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virtual void CutWithSentence(const string& s, RuneStrArray::const_iterator begin, RuneStrArray::const_iterator end, unordered_map<string, KeyWord>& res, bool hmm,
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size_t) const override {
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std::ignore = s;
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std::ignore = begin;
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std::ignore = end;
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std::ignore = res;
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std::ignore = hmm;
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}
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private:
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bool IsAllAscii(const RuneArray& s) const {
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for (size_t i = 0; i < s.size(); i++) {
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if (s[i] >= 0x80) {
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return false;
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}
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}
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return true;
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}
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MixSegment mixSeg_;
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const DictTrie* trie_;
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}; // QuerySegment
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} // namespace cppjieba
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