【QT5】【错误码】查找工具

相信朋友们在工作中，项目的代码都会存在各种各样的错误码，每次看到错误码都需要到代码里面去查找错误码所对应的的含义，本人写了一个错误码的解析工具，供大家参考，可以很方便的利用工具找到错误码的含义所在

1、界面如下所示

2、点击OPEN按钮，打开错误码文件，可以找到所有的错误码枚举值和宏定义；

3、在CLEAR前的输入框，输入要查找的错误码，左下方就会显示相应的值

源码：

//MainWindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include 
#include 
#include 
namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();

private slots:
    void on_openButton_clicked();
    void on_filterEdit_textChanged(const QString &arg1);
    void on_clearButton_clicked();

private:
    int findValue(const QString &value);
    void addItemNewContent(const QString &name, const QString &value);
    void addItemContent(const QString &name, const QString &value);
    void addMapItem();
    void FindNewBase(QString &line);
    void FindNew(QString &line,int num);
    void FindNewAdd(QString &line);
    void FindEqualBase(QString &line);
    void FindAddBase(QString &line);
    void ParseFile(QTextStream &in);
    void FindNewBaseAdd(QString &line);
    void ParseLine(QString &line);
    void clearWidget();
    Ui::MainWindow *ui;
    int mRow;
    int mColumn;
    QString curValue;
    QMap mMap;
};

#endif // MAINWINDOW_H

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    mRow    = 0;
    mColumn = 0;
    ui->setupUi(this);
    ui->tableWidget->setColumnCount(2);
    ui->tableWidget->setColumnWidth(0,100);
    ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
    QStringList head;
    head << "Name" << "Value";
    ui->tableWidget->setHorizontalHeaderLabels(head);
    ui->fileEdit->setText("D:/work/ErrorCode/errcode.h");
}

MainWindow::~MainWindow()
{
    delete ui;
}
void MainWindow::addItemNewContent(const QString &name, const QString &value)
{
    if(!mMap.contains(name))
    {
        return;
    }
    mMap[name] = value;
    ui->tableWidget->insertRow(mRow);
    QTableWidgetItem *item  = new QTableWidgetItem(name);
    ui->tableWidget->setItem(mRow, 0, item);
    QTableWidgetItem *item2 = new QTableWidgetItem(value);
    ui->tableWidget->setItem(mRow, 1, item2);
    curValue = value;
    mRow++;
}
void MainWindow::addItemContent(const QString &name, const QString &value)
{
    if(mMap.contains(name))
    {
        return;
    }
    mMap[name] = value;
    ui->tableWidget->insertRow(mRow);
    QTableWidgetItem *item  = new QTableWidgetItem(name);
    ui->tableWidget->setItem(mRow, 0, item);
    QTableWidgetItem *item2 = new QTableWidgetItem(value);
    ui->tableWidget->setItem(mRow, 1, item2);
    curValue = value;
    mRow++;
}
void MainWindow::FindNewBase(QString &line)
{
    QStringList list = line.split(" ", QString::SkipEmptyParts);
    QString name = list[1];
    QString value = list[2];

    addItemContent(name,value);
}
void MainWindow::FindNew(QString &line,int num)
{
    //qDebug() << line << ":" << num;
    QStringList list = line.split(QRegExp("\\W+"),QString::SkipEmptyParts);
    qDebug() << list;
    if(list.length() != 1)
    {
        return;
    }
    QString name = list[0];
    QString value = "0x"+QString::number((curValue.toInt(0,0)+1),16);
    addItemContent(name,value);
}
void MainWindow::FindNewAdd(QString &line)
{
    QStringList list = line.split(QRegExp("\\W+"),QString::SkipEmptyParts);
    if(list.length() != 3)
    {
        return;
    }
    if(!mMap.contains(list[1]))
    {
        qDebug() << mMap;
        return;
    }
    QString name = list[0];
    QString value = "0x"+QString::number((mMap[list[1]].toInt(0,0)+list[2].toInt(0,0)),16);
    addItemContent(name,value);
}
void MainWindow::FindEqualBase(QString &line)
{
    QStringList list = line.split(QRegExp("\\W+"),QString::SkipEmptyParts);

    if(list.length() != 2)
    {
        return;
    }
    if(!mMap.contains(list[1]))
    {
        qDebug() << mMap;
        return;
    }
    QString name = list[0];
    QString value = mMap[list[1]];//QString(mMap[list[2]].toInt(0,16)+list[4].toInt(0,16));
    addItemContent(name,value);
}
void MainWindow::FindNewBaseAdd(QString &line)
{
    QStringList list = line.split(QRegExp("\\W+"),QString::SkipEmptyParts);
    if(list.length() != 4)
    {
        return;
    }
    if(!mMap.contains(list[2]))
    {
        qDebug() << mMap;
        return;
    }
    QString name = list[1];
    QString value = "0x"+QString::number((mMap[list[2]].toInt(0,0)+list[3].toInt(0,0)),16);
    addItemContent(name,value);
}
void MainWindow::ParseLine(QString &line)
{
    //qDebug() << line;
    if(line.contains(QRegExp("#define\\s+\\w+\\s+\\dx\\d+$")))
    {
        FindNewBase(line);
    }
    else if(line.contains(QRegExp("=\\s*\\w+;$")))
    {
        FindEqualBase(line);
    }
    else if(line.contains(QRegExp("=\\s*\\w+[ ]\\+[ ]")))
    {
        FindNewAdd(line);
    }
    else if(line.contains(QRegExp("\\s*\\w+\\;$")))
    {
        FindNew(line,1);
    }
    else if(line.contains(QRegExp("^#define\\s+\\w+\\s+\\(\\w+\\+\\w+\\)$")))
    {
        FindNewBaseAdd(line);
    }
}

void MainWindow::ParseFile(QTextStream &in)
{
    QString line = in.readLine();

    while(!line.isNull())
    {
        ui->textEdit->append(line);
        ParseLine(line);
        line = in.readLine();
    }
}
int MainWindow::findValue(const QString &value)
{
    QMapIterator i(mMap);
    int flag = 0;
    while(i.hasNext())
    {
        i.next();
        if(i.value() == value)
        {
            flag=1;
            addItemNewContent(i.key(),i.value());
        }
    }
    return flag;
}

void MainWindow::on_filterEdit_textChanged(const QString &arg1)
{
    clearWidget();
    if(findValue(arg1))
    {
        return;
    }
    addMapItem();
}

void MainWindow::on_openButton_clicked()
{
    QString fileName;
    if((ui->fileEdit->text().length()))
    {
        fileName = ui->fileEdit->text();
    }
    else
    {
        fileName = QFileDialog::getOpenFileName(this);
    }
    QFile file(fileName);
    if (!file.open(QFile::ReadOnly | QFile::Text)) {
        QMessageBox::warning(this, tr("Application"),
                             tr("Cannot read file %1:\n%2.")
                             .arg(fileName)
                             .arg(file.errorString()));
        return;
    }
    ui->fileEdit->setText(fileName);

    QTextStream in(&file);
#ifndef QT_NO_CURSOR
    QApplication::setOverrideCursor(Qt::WaitCursor);
#endif
    ParseFile(in);

#ifndef QT_NO_CURSOR
    QApplication::restoreOverrideCursor();
#endif

    //setCurrentFile(fileName);
    //statusBar()->showMessage(tr("File loaded"), 2000);
}
void MainWindow::addMapItem()
{
    QMap::iterator it;
    for(it=mMap.begin(); it!=mMap.end(); it++)
    {
        addItemNewContent(it.key(),it.value());
    }
}
void MainWindow::clearWidget()
{
    ui->tableWidget->setRowCount(0);
    mRow    = 0;
    mColumn = 0;
}

void MainWindow::on_clearButton_clicked()
{
    ui->filterEdit->clear();
}

 MainWindow
 
  
   
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   MainWindow
  
  
   
    
     
      
       
      
      
       
        
         Qt::Horizontal
        
        
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          40
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         CLEAR
        
       
      
     
    
    
     
      
       Qt::LeftToRight
      
      
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    TopToolBarArea
   
   
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