ukui-search/libsearch/index/basic-indexer.cpp

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/*
* Copyright (C) 2022, KylinSoft Co., Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* Authors: iaom <zhangpengfei@kylinos.cn>
*
*/
#include "basic-indexer.h"
#include <QDateTime>
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#include <QFileInfo>
#include <QUrl>
#include "file-utils.h"
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using namespace UkuiSearch;
BasicIndexer::BasicIndexer(const QString& filePath): m_filePath(filePath)
{
}
bool BasicIndexer::index()
{
QFileInfo info = QFileInfo(m_filePath);
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if(!info.exists()) {
return false;
}
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//添加数据
m_document.setData(m_filePath);
//唯一term
m_document.setUniqueTerm(FileUtils::makeDocUterm(m_filePath));
//上层文件夹term用于在上层文件夹删除时删除自己
m_document.addTerm("PARENTTERM" + FileUtils::makeDocUterm(m_filePath.section("/", 0, -2, QString::SectionIncludeLeadingSep)));
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//1-目录, 0-文件
m_document.addValue(1, QString((info.isDir() && (!info.isSymLink())) ? "1" : "0"));
//修改时间
QString time = info.lastModified().toString("yyyyMMddHHmmsszzz");
m_document.setIndexTime(time);
m_document.addSortableSerialiseValue(2, time);
QString indexName = info.fileName().toLower();
QStringList pinyinTextList = FileUtils::findMultiToneWords(info.fileName());
int i = 0;
int postingCount = 1; //terms post of Xapian document is started from 1!
while(postingCount <= indexName.size()) {
m_document.addPosting(QUrl::toPercentEncoding(indexName.at(i)).toStdString(), postingCount);
++postingCount;
++i;
}
for(QString& s : pinyinTextList) {
i = 0;
while(i < s.size()) {
m_document.addPosting(QUrl::toPercentEncoding(s.at(i)).toStdString(), postingCount);
++postingCount;
++i;
}
}
return true;
}