forked from openkylin/ukui-search
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
/*
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* Copyright (C) 2022, 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: iaom <zhangpengfei@kylinos.cn>
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*
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*/
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#include "file-content-indexer.h"
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#include "file-reader.h"
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#include "file-utils.h"
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#include "chinese-segmentation.h"
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using namespace UkuiSearch;
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fileContentIndexer::fileContentIndexer(const QString &filePath): m_filePath(filePath)
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{
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}
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bool fileContentIndexer::index()
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{
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QString content;
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QFileInfo info(m_filePath);
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QString suffix = info.suffix();
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FileReader::getTextContent(m_filePath, content, suffix);
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if(content.isEmpty()) {
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return false;
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}
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m_document.setData(content);
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//'\xEF\xBC\x8C' is "，" "\xE3\x80\x82" is "。" use three " " to replace ,to ensure the offset info.
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content = content.replace("\t", " ").replace("\xEF\xBC\x8C", " ").replace("\xE3\x80\x82", " ");
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std::vector<KeyWord> term = ChineseSegmentation::getInstance()->callSegment(content.left(20480000).toStdString());
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content.clear();
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content.squeeze();
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for(size_t i = 0; i < term.size(); ++i) {
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m_document.addPosting(term.at(i).word, term.at(i).offsets, static_cast<int>(term.at(i).weight));
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}
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term.clear();
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term.shrink_to_fit();
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m_document.setUniqueTerm(FileUtils::makeDocUterm(m_filePath));
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m_document.addTerm(FileUtils::makeDocUterm(m_filePath.section("/", 0, -2, QString::SectionIncludeLeadingSep)));
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m_document.addValue(1, m_filePath);
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m_document.addValue(2, suffix);
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m_document.setIndexTime(info.lastModified().toString("yyyyMMddHHmmsszzz"));
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return true;
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}
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