ReadLog/readthread.cpp

#include <QTextStream>
#include "readthread.h"

ReadThread::ReadThread(QObject *parent)
        : QThread{parent} {
    /*正则表达式*/
    //时间
    dateTimeRegex.setPattern("([0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}:[0-9]{3})");
    //基带
    jdRegex.setPattern(R"(\[.*(\d)\])");
    //匹配数字和可选的正负号
    pattern.setPattern("^[+-]?([1-9][0-9]*|0)[.]?[0-9]*$");
    //科学计数法
    kexue.setPattern("^[0-9].[0-9]e[+-][0-9][0-9]");
}

bool ReadThread::isNumeric(QString data) {
    bool flag = false;
    patternMatch = pattern.match(data);
    if (patternMatch.hasMatch()) {
        flag = true;
    }
    kexueMatch = kexue.match(data);
    if (kexueMatch.hasMatch()) {
        flag = true;
    }
    return flag;
}

void ReadThread::run() {
    //初始化数据
    int bytesRead = 0;  //进度条数值
    for (auto &i: g_param) {
        i.clear();
    }
    QMap<QString, QString> temData;
    bool isBeginTime = true;
    //清除下拉框数据
    emit clearCombo();
    if (!namelist.empty()) {
        namelist.clear();
        completer->deleteLater();
    }

    //设置状态栏
    emit showStatusbar("正在打开文件");

    //读取文件
    QTextStream in(&file);
    while (!in.atEnd()) {
        //读取一行
        QString line = in.readLine();

        //更新进度条
        bytesRead += line.size();
        emit setProgressBar(bytesRead * 2);

        /* 匹配数据 */
        //匹配日期时间
        QMap<QString, QString> temMap;
        int JD;
        QString temtime;
        QString temjd;
        matchDateTime = dateTimeRegex.match(line);
        if (matchDateTime.hasMatch()) {
            temtime = matchDateTime.captured(1);
            temMap["时间"] = temtime;
        } else {
            continue;
        }
        //匹配基带
        matchLogLevel = jdRegex.match(line);
        if (matchLogLevel.hasMatch()) {
            temjd = matchLogLevel.captured(1);
            temMap["基带"] = temjd;
            JD = temjd.toInt() - 1;
        } else {
            continue;
        }

        //设置开始时间
        if (isBeginTime) {
            emit setBeginTime(QDateTime::fromString(temtime, "yyyy-MM-dd hh:mm:ss:zzz"));
            isBeginTime = false;
        }
        temData.clear();
        temData["时间"] = temtime;
        //将左右拆分
        QStringList dataParts = line.split(']');
        //判断右侧是否有数据
        if (dataParts[1].isEmpty()) {
            continue;
        }
        //将右侧数据拆分
        QStringList data = dataParts[1].split(',');
        for (int i = 0; i < data.size(); i++) {
            //将每一条数据拆为数据名和值
            QStringList tem = data[i].split('=');
            if (tem.size() < 2) {
                continue;
            }
            if (!namelist.contains(tem[0])) {
                namelist[tem[0]] = isNumeric(tem[1]);
                if (tem[0].contains("版本号")) {
                    namelist[tem[0]] = false;
                }
            }
            temData[tem[0]] = tem[1];
        }
        //记录数据
        g_param[JD].append(temData);

    }

    //设置结束时间
    emit setEndTime(QDateTime::fromString(temData["时间"], "yyyy-MM-dd hh:mm:ss:zzz"));

    //设置状态栏
    emit showStatusbar("打开成功：" + file.fileName());

    //添加下拉框数据
    emit addCombo(namelist.keys());

    //关闭
    emit closeProg();
    file.close();
    temData.clear();
    quit();
}