629 lines
22 KiB
C++
629 lines
22 KiB
C++
/*
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* Copyright (C) 2020, KylinSoft Co., Ltd.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* Authors: zhangpengfei <zhangpengfei@kylinos.cn>
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*
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*/
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#include "search-manager.h"
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#include "dir-watcher.h"
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using namespace UkuiSearch;
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size_t SearchManager::uniqueSymbolFile = 0;
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size_t SearchManager::uniqueSymbolDir = 0;
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size_t SearchManager::uniqueSymbolContent = 0;
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size_t SearchManager::uniqueSymbolOcr = 0;
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QMutex SearchManager::m_mutexFile;
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QMutex SearchManager::m_mutexDir;
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QMutex SearchManager::m_mutexContent;
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QMutex SearchManager::m_mutexOcr;
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SearchManager::SearchManager(QObject *parent) : QObject(parent) {
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}
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SearchManager::~SearchManager() {
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}
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int SearchManager::getCurrentIndexCount() {
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try {
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Xapian::Database db(INDEX_PATH);
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return db.get_doccount();
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} catch(const Xapian::Error &e) {
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qWarning() << QString::fromStdString(e.get_description());
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return 0;
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}
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}
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bool SearchManager::isBlocked(QString &path) {
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QStringList blockList = GlobalSettings::getInstance()->getBlockDirs();
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for(QString i : blockList) {
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if(FileUtils::isOrUnder(path, i))
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return true;
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}
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return false;
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}
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bool SearchManager::creatResultInfo(SearchPluginIface::ResultInfo &ri, QString path)
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{
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QFileInfo info(path);
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if(!info.exists()) {
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return false;
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}
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ri.icon = FileUtils::getFileIcon(QUrl::fromLocalFile(path).toString(), false);
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ri.name = info.fileName();
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ri.description = QVector<SearchPluginIface::DescriptionInfo>() \
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<< SearchPluginIface::DescriptionInfo{tr("Path:"), path} \
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<< SearchPluginIface::DescriptionInfo{tr("Modified time:"), info.lastModified().toString("yyyy/MM/dd hh:mm:ss")};
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ri.actionKey = path;
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if (true == targetPhotographTypeMap[info.suffix()]) {
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ri.type = 1;//1为ocr图片文件
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} else {
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ri.type = 0;//0为默认文本文件
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}
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return true;
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}
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FileSearch::FileSearch(DataQueue<SearchPluginIface::ResultInfo> *searchResult, size_t uniqueSymbol, QString keyword, QString value, unsigned slot, int begin, int num) {
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this->setAutoDelete(true);
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m_search_result = searchResult;
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m_uniqueSymbol = uniqueSymbol;
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m_keyword = keyword;
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m_value = value;
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m_slot = slot;
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m_begin = begin;
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m_num = num;
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m_matchDecider = new FileMatchDecider();
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}
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FileSearch::~FileSearch() {
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m_search_result = nullptr;
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if(m_matchDecider)
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delete m_matchDecider;
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}
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void FileSearch::run() {
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if(m_value == "0") {
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SearchManager::m_mutexFile.lock();
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if(!m_search_result->isEmpty()) {
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m_search_result->clear();
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}
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SearchManager::m_mutexFile.unlock();
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} else if(m_value == "1") {
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SearchManager::m_mutexDir.lock();
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if(!m_search_result->isEmpty()) {
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m_search_result->clear();
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}
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SearchManager::m_mutexDir.unlock();
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}
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//目前的需求是文件搜索数量无上限。
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//但如果不设置单次搜索数量限制，在一些性能非常弱的机器上（如兆芯某些机器），就算我们这里不阻塞UI，也会因为搜索本身占用cpu过多（可能）导致UI卡顿。
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//可能会有更好的方法，待优化。
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m_begin = 0;
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m_num = 100;
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int resultCount = 1;
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int totalCount = 0;
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while(resultCount > 0) {
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resultCount = keywordSearchfile();
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m_begin += m_num;
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totalCount += resultCount;
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}
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qDebug() << "Total count:" << m_value << totalCount;
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return;
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}
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int FileSearch::keywordSearchfile() {
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try {
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qDebug() << "--keywordSearchfile start--";
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Xapian::Database db(INDEX_PATH);
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Xapian::Query query = creatQueryForFileSearch(db);
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Xapian::Enquire enquire(db);
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Xapian::Query queryFile;
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if(!m_value.isEmpty()) {
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std::string slotValue = m_value.toStdString();
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Xapian::Query queryValue = Xapian::Query(Xapian::Query::OP_VALUE_RANGE, m_slot, slotValue, slotValue);
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queryFile = Xapian::Query(Xapian::Query::OP_AND, query, queryValue);
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} else {
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queryFile = query;
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}
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qDebug() << "keywordSearchfile:" << QString::fromStdString(queryFile.get_description());
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enquire.set_query(queryFile);
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enquire.set_docid_order(enquire.DONT_CARE);
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enquire.set_sort_by_relevance_then_value(2, true);
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Xapian::MSet result = enquire.get_mset(m_begin, m_num, 0, m_matchDecider);
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int resultCount = result.size();
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qDebug() << "keywordSearchfile results count=" << resultCount;
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if(resultCount == 0)
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return 0;
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if(getResult(result) == -1)
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return -1;
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qDebug() << "--keywordSearchfile finish--";
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return resultCount;
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} catch(const Xapian::Error &e) {
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qWarning() << QString::fromStdString(e.get_description());
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qDebug() << "--keywordSearchfile finish--";
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return -1;
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}
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}
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Xapian::Query FileSearch::creatQueryForFileSearch(Xapian::Database &db) {
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auto userInput = m_keyword.toLower();
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std::vector<Xapian::Query> v;
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for(int i = 0; i < userInput.size(); i++) {
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v.push_back(Xapian::Query(QUrl::toPercentEncoding(userInput.at(i)).toStdString()));
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// qDebug()<<QString::fromStdString(Xapian::Query(QString(userInput.at(i)).toStdString()).get_description());
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}
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Xapian::Query queryPhrase = Xapian::Query(Xapian::Query::OP_PHRASE, v.begin(), v.end());
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return queryPhrase;
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}
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int FileSearch::getResult(Xapian::MSet &result) {
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for(auto it = result.begin(); it != result.end(); ++it) {
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Xapian::Document doc = it.get_document();
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std::string data = doc.get_data();
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// Xapian::weight docScoreWeight = it.get_weight();
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// Xapian::percent docScorePercent = it.get_percent();
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// std::string date = doc.get_value(2);
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QString path = QString::fromStdString(data);
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std::string().swap(data);
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SearchPluginIface::ResultInfo ri;
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if(SearchManager::creatResultInfo(ri, path)) {
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switch(m_value.toInt()) {
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case 1:
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SearchManager::m_mutexDir.lock();
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if(m_uniqueSymbol == SearchManager::uniqueSymbolDir) {
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m_search_result->enqueue(ri);
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SearchManager::m_mutexDir.unlock();
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} else {
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SearchManager::m_mutexDir.unlock();
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return -1;
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}
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break;
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case 0:
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SearchManager::m_mutexFile.lock();
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if(m_uniqueSymbol == SearchManager::uniqueSymbolFile) {
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m_search_result->enqueue(ri);
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SearchManager::m_mutexFile.unlock();
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} else {
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SearchManager::m_mutexFile.unlock();
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return -1;
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}
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break;
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default:
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break;
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}
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}
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// qDebug() << "doc=" << path
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// << ",weight="
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// << docScoreWeight
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// << ",percent="
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// << docScorePercent
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// << "date"
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// << QString::fromStdString(date);
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}
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// if(!pathTobeDelete->isEmpty())
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// deleteAllIndex(pathTobeDelete)
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return 0;
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}
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FileContentSearch::FileContentSearch(DataQueue<SearchPluginIface::ResultInfo> *searchResult, size_t uniqueSymbol, QString keyword, int begin, int num) {
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this->setAutoDelete(true);
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m_search_result = searchResult;
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m_uniqueSymbol = uniqueSymbol;
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m_keyword = keyword;
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m_begin = begin;
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m_num = num;
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m_matchDecider = new FileContentMatchDecider();
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}
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FileContentSearch::~FileContentSearch() {
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m_search_result = nullptr;
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if(m_matchDecider)
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delete m_matchDecider;
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}
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void FileContentSearch::run() {
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SearchManager::m_mutexContent.lock();
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if(!m_search_result->isEmpty()) {
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m_search_result->clear();
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}
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SearchManager::m_mutexContent.unlock();
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//这里同文件搜索，待优化。
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m_begin = 0;
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m_num = 100;
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int resultCount = 1;
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int totalCount = 0;
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while(resultCount > 0) {
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resultCount = keywordSearchContent();
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m_begin += m_num;
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totalCount += resultCount;
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}
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qDebug() << "Total count:" << totalCount;
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return;
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}
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int FileContentSearch::keywordSearchContent() {
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try {
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qDebug() << "--keywordSearchContent search start--";
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Xapian::Database db(CONTENT_INDEX_PATH);
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Xapian::Enquire enquire(db);
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Xapian::QueryParser qp;
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qp.set_default_op(Xapian::Query::OP_AND);
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qp.set_database(db);
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std::vector<KeyWord> sKeyWord = ChineseSegmentation::getInstance()->callSegment(m_keyword.toStdString());
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//Creat a query
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std::string words;
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for(int i = 0; i < sKeyWord.size(); i++) {
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words.append(sKeyWord.at(i).word).append(" ");
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}
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// Xapian::Query query = qp.parse_query(words);
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std::vector<Xapian::Query> v;
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for(int i=0; i<sKeyWord.size(); i++) {
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v.push_back(Xapian::Query(sKeyWord.at(i).word));
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qDebug() << QString::fromStdString(sKeyWord.at(i).word);
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}
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Xapian::Query query = Xapian::Query(Xapian::Query::OP_AND, v.begin(), v.end());
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qDebug() << "keywordSearchContent:" << QString::fromStdString(query.get_description());
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enquire.set_query(query);
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Xapian::MSet result = enquire.get_mset(m_begin, m_num, 0, m_matchDecider);
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int resultCount = result.size();
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if(result.size() == 0) {
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return 0;
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}
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qDebug() << "keywordSearchContent results count=" << resultCount;
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if(getResult(result, words) == -1) {
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return -1;
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}
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qDebug() << "--keywordSearchContent search finish--";
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return resultCount;
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} catch(const Xapian::Error &e) {
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qWarning() << QString::fromStdString(e.get_description());
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qDebug() << "--keywordSearchContent search finish--";
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return -1;
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}
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}
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int FileContentSearch::getResult(Xapian::MSet &result, std::string &keyWord) {
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for(auto it = result.begin(); it != result.end(); ++it) {
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Xapian::Document doc = it.get_document();
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std::string data = doc.get_data();
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double docScoreWeight = it.get_weight();
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Xapian::percent docScorePercent = it.get_percent();
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QString path = QString::fromStdString(doc.get_value(1));
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QString suffix = QString::fromStdString(doc.get_value(2));
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SearchPluginIface::ResultInfo ri;
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if(!SearchManager::creatResultInfo(ri, path)) {
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continue;
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}
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// Construct snippets containing keyword.
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// QStringList snippets;
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// snippets.append(QString::fromStdString( result.snippet(doc.get_data(),400)));
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// qWarning()<<QString::fromStdString(s);
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auto term = doc.termlist_begin();
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std::string wordTobeFound = QString::fromStdString(keyWord).section(" ", 0, 0).toStdString();
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// int size = wordTobeFound.length();
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term.skip_to(wordTobeFound);
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// int count = 0;
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// for(auto pos = term.positionlist_begin(); pos != term.positionlist_end() && count < 6; ++pos) {
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// std::string s = data.substr((*pos < 60) ? 0 : (*pos - 60), size + 120);
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// QString snippet = QString::fromStdString(s);
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// if(snippet.size() > 6 + QString::fromStdString(keyWord).size()) {
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// snippet.replace(0, 3, "...").replace(snippet.size() - 3, 3, "...");
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// } else {
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// snippet.append("...").prepend("...");
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// }
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// ri.description.prepend(SearchPluginIface::DescriptionInfo{"",snippet});
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//// snippets.append(snippet);
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// QString().swap(snippet);
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// std::string().swap(s);
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// ++count;
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// }
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//fix me: make a snippet without cut cjk char.
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auto pos = term.positionlist_begin();
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QString snippet = FileUtils::chineseSubString(data,*pos,120);
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// if(data.length() - *pos < 120) {
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// std::string s = data.substr((data.length() < 120) ? 0 : (data.length() - 120), 120);
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// snippet = QString::fromStdString(s);
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// } else {
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// std::string s = data.substr(*pos, 120);
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// snippet = QString::fromStdString(s);
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// }
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ri.description.prepend(SearchPluginIface::DescriptionInfo{"",snippet});
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QString().swap(snippet);
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// std::string().swap(s);
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std::string().swap(data);
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// for(QString i : QString::fromStdString(keyWord).split(" ",QString::SkipEmptyParts))
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// {
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// std::string word = i.toStdString();
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// term.skip_to(word);
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// int size = word.size();
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// auto pos = term.positionlist_begin();
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// std::string s = data.substr((*pos < 60)? 0: (*pos - 60) , size + 120);
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// QString snippet = QString::fromStdString(s);
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// snippet.replace(0,3,"...").replace(snippet.size()-3,3,"...");
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// snippets.append(snippet);
|
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// std::string().swap(word);
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// std::string().swap(s);
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// QString().swap(snippet);
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// }
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||
|
||
|
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SearchManager::m_mutexContent.lock();
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if(m_uniqueSymbol == SearchManager::uniqueSymbolContent) {
|
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m_search_result->enqueue(ri);
|
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SearchManager::m_mutexContent.unlock();
|
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// snippets.clear();
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// QStringList().swap(snippets);
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} else {
|
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SearchManager::m_mutexContent.unlock();
|
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return -1;
|
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}
|
||
// searchResult.insert(path,snippets);
|
||
//qDebug() << "path=" << path << ",weight=" << docScoreWeight << ",percent=" << docScorePercent;
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}
|
||
// // if(!pathTobeDelete->isEmpty())
|
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// // deleteAllIndex(pathTobeDelete)
|
||
return 0;
|
||
}
|
||
|
||
OcrSearch::OcrSearch(DataQueue<SearchPluginIface::ResultInfo> *searchResult, size_t uniqueSymbol, QString keyword, int begin, int num) {
|
||
this->setAutoDelete(true);
|
||
m_search_result = searchResult;
|
||
m_uniqueSymbol = uniqueSymbol;
|
||
m_keyword = keyword;
|
||
m_begin = begin;
|
||
m_num = num;
|
||
m_matchDecider = new OcrMatchDecider();
|
||
}
|
||
|
||
OcrSearch::~OcrSearch() {
|
||
m_search_result = nullptr;
|
||
if(m_matchDecider)
|
||
delete m_matchDecider;
|
||
}
|
||
|
||
void OcrSearch::run() {
|
||
SearchManager::m_mutexOcr.lock();
|
||
if(!m_search_result->isEmpty()) {
|
||
m_search_result->clear();
|
||
}
|
||
SearchManager::m_mutexOcr.unlock();
|
||
|
||
//这里同文件搜索，待优化。
|
||
m_begin = 0;
|
||
m_num = 100;
|
||
int resultCount = 1;
|
||
int totalCount = 0;
|
||
while(resultCount > 0) {
|
||
resultCount = keywordSearchOcr();
|
||
m_begin += m_num;
|
||
totalCount += resultCount;
|
||
}
|
||
qDebug() << "Total count:" << totalCount;
|
||
return;
|
||
}
|
||
|
||
int OcrSearch::keywordSearchOcr() {
|
||
try {
|
||
qDebug() << "--keywordSearch OCR search start--";
|
||
Xapian::Database db(OCR_INDEX_PATH);
|
||
Xapian::Enquire enquire(db);
|
||
Xapian::QueryParser qp;
|
||
qp.set_default_op(Xapian::Query::OP_AND);
|
||
qp.set_database(db);
|
||
std::vector<KeyWord> sKeyWord = ChineseSegmentation::getInstance()->callSegment(m_keyword.toStdString());
|
||
//Creat a query
|
||
std::string words;
|
||
for(int i = 0; i < sKeyWord.size(); i++) {
|
||
words.append(sKeyWord.at(i).word).append(" ");
|
||
}
|
||
std::vector<Xapian::Query> v;
|
||
for(int i=0; i<sKeyWord.size(); i++) {
|
||
v.push_back(Xapian::Query(sKeyWord.at(i).word));
|
||
qDebug() << QString::fromStdString(sKeyWord.at(i).word);
|
||
}
|
||
Xapian::Query query = Xapian::Query(Xapian::Query::OP_AND, v.begin(), v.end());
|
||
|
||
qDebug() << "keywordSearch OCR:" << QString::fromStdString(query.get_description());
|
||
|
||
enquire.set_query(query);
|
||
|
||
Xapian::MSet result = enquire.get_mset(m_begin, m_num, 0, m_matchDecider);
|
||
int resultCount = result.size();
|
||
if(result.size() == 0) {
|
||
return 0;
|
||
}
|
||
qDebug() << "keywordSearch OCR results count=" << resultCount;
|
||
|
||
if(getResult(result, words) == -1) {
|
||
return -1;
|
||
}
|
||
|
||
qDebug() << "--keywordSearch OCR search finish--";
|
||
return resultCount;
|
||
} catch(const Xapian::Error &e) {
|
||
qWarning() << QString::fromStdString(e.get_description());
|
||
qDebug() << "--keywordSearch OCR search finish--";
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
int OcrSearch::getResult(Xapian::MSet &result, std::string &keyWord) {
|
||
for(auto it = result.begin(); it != result.end(); ++it) {
|
||
Xapian::Document doc = it.get_document();
|
||
std::string data = doc.get_data();
|
||
QString path = QString::fromStdString(doc.get_value(1));
|
||
|
||
SearchPluginIface::ResultInfo ri;
|
||
if(!SearchManager::creatResultInfo(ri, path)) {
|
||
continue;
|
||
}
|
||
// Construct snippets containing keyword.
|
||
auto term = doc.termlist_begin();
|
||
std::string wordTobeFound = QString::fromStdString(keyWord).section(" ", 0, 0).toStdString();
|
||
term.skip_to(wordTobeFound);
|
||
//fix me: make a snippet without cut cjk char.
|
||
auto pos = term.positionlist_begin();
|
||
QString snippet = FileUtils::chineseSubString(data,*pos,120);
|
||
|
||
ri.description.prepend(SearchPluginIface::DescriptionInfo{"",snippet});
|
||
QString().swap(snippet);
|
||
std::string().swap(data);
|
||
SearchManager::m_mutexOcr.lock();
|
||
if(m_uniqueSymbol == SearchManager::uniqueSymbolOcr) {
|
||
m_search_result->enqueue(ri);
|
||
SearchManager::m_mutexOcr.unlock();
|
||
} else {
|
||
SearchManager::m_mutexOcr.unlock();
|
||
return -1;
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
DirectSearch::DirectSearch(QString keyword, DataQueue<SearchPluginIface::ResultInfo> *searchResult, QString value, size_t uniqueSymbol) {
|
||
this->setAutoDelete(true);
|
||
m_keyword = keyword;
|
||
m_searchResult = searchResult;
|
||
m_uniqueSymbol = uniqueSymbol;
|
||
m_value = value;
|
||
}
|
||
|
||
void DirectSearch::run() {
|
||
QStringList blockList = GlobalSettings::getInstance()->getBlockDirs();
|
||
QStringList searchPath = DirWatcher::getDirWatcher()->searchableDirForSearchApplication();
|
||
QQueue<QString> bfs;
|
||
for (const QString &path : searchPath) {
|
||
if (blockList.contains(path)) {
|
||
continue;
|
||
}
|
||
blockList.append(DirWatcher::getDirWatcher()->blackListOfDir(path));
|
||
bfs.enqueue(path);
|
||
}
|
||
if (bfs.isEmpty()) {
|
||
return;
|
||
}
|
||
|
||
QFileInfoList list;
|
||
QDir dir;
|
||
// QDir::Hidden
|
||
if(m_value == DIR_SEARCH_VALUE) {
|
||
dir.setFilter(QDir::Dirs | QDir::NoDotAndDotDot);
|
||
} else {
|
||
dir.setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
|
||
dir.setSorting(QDir::DirsFirst);
|
||
}
|
||
while(!bfs.empty()) {
|
||
dir.setPath(bfs.dequeue());
|
||
list = dir.entryInfoList();
|
||
for (auto i : list) {
|
||
if (i.isDir() && (!(i.isSymLink()))) {
|
||
bool findIndex = false;
|
||
for (QString j : blockList) {
|
||
if (FileUtils::isOrUnder(i.absoluteFilePath(), j)) {
|
||
findIndex = true;
|
||
break;
|
||
}
|
||
}
|
||
if (findIndex == true) {
|
||
qDebug() << "path is blocked:" << i.absoluteFilePath();
|
||
continue;
|
||
}
|
||
bfs.enqueue(i.absoluteFilePath());
|
||
}
|
||
if(i.fileName().contains(m_keyword, Qt::CaseInsensitive)) {
|
||
// qWarning() << i.fileName() << m_keyword;
|
||
// if(m_searchResult->length() > 49)
|
||
// return;
|
||
if((i.isDir() && m_value == DIR_SEARCH_VALUE)) {
|
||
SearchPluginIface::ResultInfo ri;
|
||
if(SearchManager::creatResultInfo(ri,i.absoluteFilePath())) {
|
||
SearchManager::m_mutexDir.lock();
|
||
if(m_uniqueSymbol == SearchManager::uniqueSymbolDir) {
|
||
m_searchResult->enqueue(ri);
|
||
SearchManager::m_mutexDir.unlock();
|
||
} else {
|
||
SearchManager::m_mutexDir.unlock();
|
||
return;
|
||
}
|
||
}
|
||
} else if (i.isFile() && m_value == FILE_SEARCH_VALUE) {
|
||
SearchPluginIface::ResultInfo ri;
|
||
if(SearchManager::creatResultInfo(ri,i.absoluteFilePath())) {
|
||
SearchManager::m_mutexFile.lock();
|
||
if(m_uniqueSymbol == SearchManager::uniqueSymbolFile) {
|
||
m_searchResult->enqueue(ri);
|
||
SearchManager::m_mutexFile.unlock();
|
||
} else {
|
||
SearchManager::m_mutexFile.unlock();
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
bool FileMatchDecider::operator ()(const Xapian::Document &doc) const
|
||
{
|
||
QString path = QString::fromStdString(doc.get_data());
|
||
if(SearchManager::isBlocked(path)) {
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
bool FileContentMatchDecider::operator ()(const Xapian::Document &doc) const
|
||
{
|
||
QString path = QString::fromStdString(doc.get_value(1));
|
||
if(SearchManager::isBlocked(path)) {
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
bool OcrMatchDecider::operator ()(const Xapian::Document &doc) const
|
||
{
|
||
QString path = QString::fromStdString(doc.get_value(1));
|
||
if(SearchManager::isBlocked(path)) {
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|