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https://github.com/yanyiwu/cppjieba.git
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commit
e6fdd1c98b
@ -50,6 +50,17 @@ class DictTrie {
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return true;
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}
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bool InsertUserWord(const string& word,int freq, const string& tag = UNKNOWN_TAG) {
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DictUnit node_info;
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double weight = freq ? log(1.0 * freq / freq_sum_) : user_word_default_weight_ ;
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if (!MakeNodeInfo(node_info, word, weight , tag)) {
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return false;
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}
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active_node_infos_.push_back(node_info);
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trie_->InsertNode(node_info.word, &active_node_infos_.back());
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return true;
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}
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const DictUnit* Find(RuneStrArray::const_iterator begin, RuneStrArray::const_iterator end) const {
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return trie_->Find(begin, end);
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}
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@ -69,6 +80,63 @@ class DictTrie {
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return min_weight_;
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}
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void InserUserDictNode(const string& line) {
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vector<string> buf;
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DictUnit node_info;
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Split(line, buf, " ");
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if(buf.size() == 1){
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MakeNodeInfo(node_info,
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buf[0],
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user_word_default_weight_,
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UNKNOWN_TAG);
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} else if (buf.size() == 2) {
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MakeNodeInfo(node_info,
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buf[0],
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user_word_default_weight_,
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buf[1]);
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} else if (buf.size() == 3) {
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int freq = atoi(buf[1].c_str());
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assert(freq_sum_ > 0.0);
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double weight = log(1.0 * freq / freq_sum_);
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MakeNodeInfo(node_info, buf[0], weight, buf[2]);
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}
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static_node_infos_.push_back(node_info);
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if (node_info.word.size() == 1) {
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user_dict_single_chinese_word_.insert(node_info.word[0]);
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}
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}
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void LoadUserDict(const vector<string>& buf) {
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for (size_t i = 0; i < buf.size(); i++) {
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InserUserDictNode(buf[i]);
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}
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}
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void LoadUserDict(const set<string>& buf) {
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std::set<string>::const_iterator iter;
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for (iter = buf.begin(); iter != buf.end(); iter++){
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InserUserDictNode(*iter);
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}
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}
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void LoadUserDict(const string& filePaths) {
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vector<string> files = limonp::Split(filePaths, "|;");
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size_t lineno = 0;
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for (size_t i = 0; i < files.size(); i++) {
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ifstream ifs(files[i].c_str());
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XCHECK(ifs.is_open()) << "open " << files[i] << " failed";
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string line;
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for (; getline(ifs, line); lineno++) {
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if (line.size() == 0) {
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continue;
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}
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InserUserDictNode(line);
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}
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}
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}
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private:
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void Init(const string& dict_path, const string& user_dict_paths, UserWordWeightOption user_word_weight_opt) {
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LoadDict(dict_path);
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@ -95,45 +163,8 @@ class DictTrie {
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trie_ = new Trie(words, valuePointers);
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}
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void LoadUserDict(const string& filePaths) {
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vector<string> files = limonp::Split(filePaths, "|;");
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size_t lineno = 0;
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for (size_t i = 0; i < files.size(); i++) {
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ifstream ifs(files[i].c_str());
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XCHECK(ifs.is_open()) << "open " << files[i] << " failed";
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string line;
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DictUnit node_info;
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vector<string> buf;
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for (; getline(ifs, line); lineno++) {
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if (line.size() == 0) {
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continue;
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}
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buf.clear();
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Split(line, buf, " ");
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DictUnit node_info;
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if(buf.size() == 1){
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MakeNodeInfo(node_info,
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buf[0],
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user_word_default_weight_,
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UNKNOWN_TAG);
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} else if (buf.size() == 2) {
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MakeNodeInfo(node_info,
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buf[0],
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user_word_default_weight_,
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buf[1]);
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} else if (buf.size() == 3) {
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int freq = atoi(buf[1].c_str());
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assert(freq_sum_ > 0.0);
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double weight = log(1.0 * freq / freq_sum_);
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MakeNodeInfo(node_info, buf[0], weight, buf[2]);
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}
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static_node_infos_.push_back(node_info);
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if (node_info.word.size() == 1) {
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user_dict_single_chinese_word_.insert(node_info.word[0]);
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}
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}
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}
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}
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bool MakeNodeInfo(DictUnit& node_info,
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const string& word,
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@ -84,10 +84,23 @@ class Jieba {
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const DictTrie* GetDictTrie() const {
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return &dict_trie_;
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}
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const HMMModel* GetHMMModel() const {
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return &model_;
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}
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void LoadUserDict(const vector<string>& buf) {
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dict_trie_.LoadUserDict(buf);
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}
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void LoadUserDict(const set<string>& buf) {
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dict_trie_.LoadUserDict(buf);
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}
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void LoadUserDict(const string& path) {
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dict_trie_.LoadUserDict(path);
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}
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private:
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DictTrie dict_trie_;
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HMMModel model_;
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