1、概述
源码放在文章末尾
该项目实现了对不同编程语言文件的代码行数的统计
统计的内容包含:
1、代码行数
2、注释行数
3、空白行数
下面是demo演示:
项目部分代码如下所示:
#pragma execution_character_set("utf-8")
#include "frmcountcode.h"
#include "ui_frmcountcode.h"
#include "qfile.h"
#include "qtextstream.h"
#include "qfiledialog.h"
#include "qfileinfo.h"
#include "qdebug.h"
frmCountCode::frmCountCode(QWidget *parent) : QWidget(parent), ui(new Ui::frmCountCode)
{
ui->setupUi(this);
this->initForm();
on_btnClear_clicked();
}
frmCountCode::~frmCountCode()
{
delete ui;
}
void frmCountCode::initForm()
{
QStringList headText;
headText << "文件名" << "类型" << "大小" << "总行数" << "代码行数" << "注释行数" << "空白行数" << "路径";
QList<int> columnWidth;
columnWidth << 130 << 50 << 70 << 80 << 70 << 70 << 70 << 150;
int columnCount = headText.count();
ui->tableWidget->setColumnCount(columnCount);
ui->tableWidget->setHorizontalHeaderLabels(headText);
ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);
ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
ui->tableWidget->setSelectionMode(QAbstractItemView::SingleSelection);
ui->tableWidget->verticalHeader()->setVisible(false);
ui->tableWidget->horizontalHeader()->setStretchLastSection(true);
ui->tableWidget->horizontalHeader()->setHighlightSections(false);
ui->tableWidget->verticalHeader()->setDefaultSectionSize(20);
ui->tableWidget->verticalHeader()->setHighlightSections(false);
for (int i = 0; i < columnCount; i++) {
ui->tableWidget->setColumnWidth(i, columnWidth.at(i));
}
//设置前景色
ui->txtCount->setStyleSheet("color:#17A086;");
ui->txtSize->setStyleSheet("color:#CA5AA6;");
ui->txtRow->setStyleSheet("color:#CD1B19;");
ui->txtCode->setStyleSheet("color:#22A3A9;");
ui->txtNote->setStyleSheet("color:#D64D54;");
ui->txtBlank->setStyleSheet("color:#A279C5;");
//设置字体加粗
QFont font;
font.setBold(true);
if (font.pointSize() > 0) {
font.setPointSize(font.pointSize() + 1);
} else {
font.setPixelSize(font.pixelSize() + 2);
}
ui->txtCount->setFont(font);
ui->txtSize->setFont(font);
ui->txtRow->setFont(font);
ui->txtCode->setFont(font);
ui->txtNote->setFont(font);
ui->txtBlank->setFont(font);
#if (QT_VERSION > QT_VERSION_CHECK(4,7,0))
ui->txtFilter->setPlaceholderText("中间空格隔开,例如 *.h *.cpp *.c");
#endif
}
bool frmCountCode::checkFile(const QString &fileName)
{
if (fileName.startsWith("moc_") || fileName.startsWith("ui_") || fileName.startsWith("qrc_")) {
return false;
}
QFileInfo file(fileName);
QString suffix = "*." + file.suffix();
QString filter = ui->txtFilter->text().trimmed();
QStringList filters = filter.split(" ");
return filters.contains(suffix);
}
void frmCountCode::countCode(const QString &filePath)
{
QDir dir(filePath);
QFileInfoList fileInfos = dir.entryInfoList();
foreach (QFileInfo fileInfo, fileInfos) {
QString fileName = fileInfo.fileName();
if (fileInfo.isFile()) {
if (checkFile(fileName)) {
listFile << fileInfo.filePath();
}
} else {
if (fileName == "." || fileName == "..") {
continue;
}
//递归找出文件
countCode(fileInfo.absoluteFilePath());
}
}
}
void frmCountCode::countCode(const QStringList &files)
{
int lineCode;
int lineBlank;
int lineNotes;
int count = files.count();
on_btnClear_clicked();
ui->tableWidget->setRowCount(count);
quint32 totalLines = 0;
quint32 totalBytes = 0;
quint32 totalCodes = 0;
quint32 totalNotes = 0;
quint32 totalBlanks = 0;
for (int i = 0; i < count; i++) {
QFileInfo fileInfo(files.at(i));
countCode(fileInfo.filePath(), lineCode, lineBlank, lineNotes);
int lineAll = lineCode + lineBlank + lineNotes;
QTableWidgetItem *itemName = new QTableWidgetItem;
itemName->setText(fileInfo.fileName());
QTableWidgetItem *itemSuffix = new QTableWidgetItem;
itemSuffix->setText(fileInfo.suffix());
QTableWidgetItem *itemSize = new QTableWidgetItem;
itemSize->setText(QString::number(fileInfo.size()));
QTableWidgetItem *itemLine = new QTableWidgetItem;
itemLine->setText(QString::number(lineAll));
QTableWidgetItem *itemCode = new QTableWidgetItem;
itemCode->setText(QString::number(lineCode));
QTableWidgetItem *itemNote = new QTableWidgetItem;
itemNote->setText(QString::number(lineNotes));
QTableWidgetItem *itemBlank = new QTableWidgetItem;
itemBlank->setText(QString::number(lineBlank));
QTableWidgetItem *itemPath = new QTableWidgetItem;
itemPath->setText(fileInfo.filePath());
itemSuffix->setTextAlignment(Qt::AlignCenter);
itemSize->setTextAlignment(Qt::AlignCenter);
itemLine->setTextAlignment(Qt::AlignCenter);
itemCode->setTextAlignment(Qt::AlignCenter);
itemNote->setTextAlignment(Qt::AlignCenter);
itemBlank->setTextAlignment(Qt::AlignCenter);
ui->tableWidget->setItem(i, 0, itemName);
ui->tableWidget->setItem(i, 1, itemSuffix);
ui->tableWidget->setItem(i, 2, itemSize);
ui->tableWidget->setItem(i, 3, itemLine);
ui->tableWidget->setItem(i, 4, itemCode);
ui->tableWidget->setItem(i, 5, itemNote);
ui->tableWidget->setItem(i, 6, itemBlank);
ui->tableWidget->setItem(i, 7, itemPath);
totalBytes += fileInfo.size();
totalLines += lineAll;
totalCodes += lineCode;
totalNotes += lineNotes;
totalBlanks += lineBlank;
if (i % 100 == 0) {
qApp->processEvents();
}
}
//显示统计结果
listFile.clear();
ui->txtCount->setText(QString::number(count));
ui->txtSize->setText(QString::number(totalBytes));
ui->txtRow->setText(QString::number(totalLines));
ui->txtCode->setText(QString::number(totalCodes));
ui->txtNote->setText(QString::number(totalNotes));
ui->txtBlank->setText(QString::number(totalBlanks));
//计算百分比
double percent = 0.0;
//代码行所占百分比
percent = ((double)totalCodes / totalLines) * 100;
ui->labPercentCode->setText(QString("%1%").arg(percent, 5, 'f', 2, QChar(' ')));
//注释行所占百分比
percent = ((double)totalNotes / totalLines) * 100;
ui->labPercentNote->setText(QString("%1%").arg(percent, 5, 'f', 2, QChar(' ')));
//空行所占百分比
percent = ((double)totalBlanks / totalLines) * 100;
ui->labPercentBlank->setText(QString("%1%").arg(percent, 5, 'f', 2, QChar(' ')));
}
void frmCountCode::countCode(const QString &fileName, int &lineCode, int &lineBlank, int &lineNotes)
{
lineCode = lineBlank = lineNotes = 0;
QFile file(fileName);
if (file.open(QFile::ReadOnly)) {
QTextStream out(&file);
QString line;
bool isNote = false;
while (!out.atEnd()) {
line = out.readLine();
//移除前面的空行
if (line.startsWith(" ")) {
line.remove(" ");
}
//判断当前行是否是注释
if (line.startsWith("/*")) {
isNote = true;
}
//注释部分
if (isNote) {
lineNotes++;
} else {
if (line.startsWith("//")) { //注释行
lineNotes++;
} else if (line.isEmpty()) { //空白行
lineBlank++;
} else { //代码行
lineCode++;
}
}
//注释结束
if (line.endsWith("*/")) {
isNote = false;
}
}
}
}
void frmCountCode::on_btnOpenFile_clicked()
{
QString filter = QString("代码文件(%1)").arg(ui->txtFilter->text().trimmed());
QStringList files = QFileDialog::getOpenFileNames(this, "选择文件", "./", filter);
if (files.size() > 0) {
ui->txtFile->setText(files.join("|"));
countCode(files);
}
}
void frmCountCode::on_btnOpenPath_clicked()
{
QString path = QFileDialog::getExistingDirectory(this, "选择目录", "./", QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
if (!path.isEmpty()) {
ui->txtPath->setText(path);
listFile.clear();
countCode(path);
countCode(listFile);
}
}
void frmCountCode::on_btnClear_clicked()
{
ui->txtCount->setText("0");
ui->txtSize->setText("0");
ui->txtRow->setText("0");
ui->txtCode->setText("0");
ui->txtNote->setText("0");
ui->txtBlank->setText("0");
ui->labPercentCode->setText("0%");
ui->labPercentNote->setText("0%");
ui->labPercentBlank->setText("0%");
ui->tableWidget->setRowCount(0);
}