75 lines
2.6 KiB
C++
75 lines
2.6 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 "basic-indexer.h"
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#include <QDateTime>
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#include <QFileInfo>
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#include <QUrl>
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#include <QTextBoundaryFinder>
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#include "file-utils.h"
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using namespace UkuiSearch;
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BasicIndexer::BasicIndexer(const QString& filePath): m_filePath(filePath)
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{
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}
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bool BasicIndexer::index()
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{
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QFileInfo info = QFileInfo(m_filePath);
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if(!info.exists()) {
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return false;
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}
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//添加数据
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m_document.setData(m_filePath);
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//唯一term
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m_document.setUniqueTerm(FileUtils::makeDocUterm(m_filePath));
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//上层文件夹term，用于在上层文件夹删除时删除自己
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m_document.addTerm("PARENTTERM" + FileUtils::makeDocUterm(m_filePath.section("/", 0, -2, QString::SectionIncludeLeadingSep)));
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//1-目录， 0-文件
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m_document.addValue(1, QString((info.isDir() && (!info.isSymLink())) ? "1" : "0"));
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//修改时间
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QString time = info.lastModified().toString("yyyyMMddHHmmsszzz");
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m_document.setIndexTime(time);
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m_document.addSortableSerialiseValue(2, time);
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QString indexName = info.fileName().toLower();
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QStringList pinyinTextList = FileUtils::findMultiToneWords(info.fileName());
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int i = 0;
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int postingCount = 1; //terms post of Xapian document is started from 1!
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int start = 0;
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QTextBoundaryFinder bf(QTextBoundaryFinder::Grapheme, indexName);
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for(; bf.position() != -1; bf.toNextBoundary()) {
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int end = bf.position();
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if(bf.boundaryReasons() & QTextBoundaryFinder::EndOfItem) {
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m_document.addPosting(QUrl::toPercentEncoding(indexName.mid(start, end - start)).toStdString(), postingCount);
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++postingCount;
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}
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start = end;
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}
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for(QString& s : pinyinTextList) {
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i = 0;
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while(i < s.size()) {
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m_document.addPosting(QUrl::toPercentEncoding(s.at(i)).toStdString(), postingCount);
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++postingCount;
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++i;
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}
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}
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return true;
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}
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