cppcheck/tools/triage/mainwindow.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2021 Cppcheck team.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "mainwindow.h"
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#include "codeeditor.h"
#include "ui_mainwindow.h"
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#include <algorithm>
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#include <cstdlib>
#include <ctime>
#include <random>
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#include <QAction>
#include <QApplication>
#include <QByteArray>
#include <QCheckBox>
#include <QClipboard>
#include <QComboBox>
#include <QCoreApplication>
#include <QDir>
#include <QDirIterator>
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#include <QFile>
#include <QFileDialog>
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#include <QFileInfo>
#include <QFlags>
#include <QHeaderView>
#include <QIODevice>
#include <QLineEdit>
#include <QList>
#include <QListWidget>
#include <QListWidgetItem>
#include <QMenu>
#include <QMimeDatabase>
#include <QMimeType>
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#include <QProcess>
#include <QProgressDialog>
#include <QRegularExpression>
#include <QStatusBar>
#include <QStringLiteral>
#include <QTabWidget>
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#include <QTextStream>
#include <QTreeView>
#include <QtCore>
class QWidget;
const QString WORK_FOLDER(QDir::homePath() + "/triage");
const QString DACA2_PACKAGES(QDir::homePath() + "/daca2-packages");
const int MAX_ERRORS = 100;
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow),
mVersionRe("^(master|main|your|head|[12].[0-9][0-9]?) (.*)$"),
hFiles{"*.hpp", "*.h", "*.hxx", "*.hh", "*.tpp", "*.txx", "*.ipp", "*.ixx"},
srcFiles{"*.cpp", "*.cxx", "*.cc", "*.c++", "*.C", "*.c", "*.cl"}
{
ui->setupUi(this);
std::srand(static_cast<unsigned int>(std::time(nullptr)));
QDir workFolder(WORK_FOLDER);
if (!workFolder.exists()) {
workFolder.mkdir(WORK_FOLDER);
}
ui->results->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->results, &QListWidget::customContextMenuRequested,
this, &MainWindow::resultsContextMenu);
mFSmodel.setRootPath(WORK_FOLDER);
mFSmodel.setReadOnly(true);
mFSmodel.setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
ui->directoryTree->setModel(&mFSmodel);
QHeaderView * header = ui->directoryTree->header();
for (int i = 1; i < header->length(); ++i) // hide all except [0]
header->hideSection(i);
ui->directoryTree->setRootIndex(mFSmodel.index(WORK_FOLDER));
ui->hFilesFilter->setToolTip(hFiles.join(','));
ui->srcFilesFilter->setToolTip(srcFiles.join(','));
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::loadFile()
{
ui->statusBar->clearMessage();
const QString fileName = QFileDialog::getOpenFileName(this, tr("daca results file"), WORK_FOLDER, tr("Text files (*.txt *.log);;All (*.*)"));
if (fileName.isEmpty())
return;
QFile file(fileName);
file.open(QIODevice::ReadOnly | QIODevice::Text);
QTextStream textStream(&file);
load(textStream);
}
void MainWindow::loadFromClipboard()
{
ui->statusBar->clearMessage();
QString clipboardContent = QApplication::clipboard()->text();
QTextStream textStream(&clipboardContent);
load(textStream);
}
void MainWindow::load(QTextStream &textStream)
{
bool local = false;
QString url;
QString errorMessage;
QStringList versions;
mAllErrors.clear();
while (true) {
QString line = textStream.readLine();
if (line.isNull())
break;
if (line.startsWith("ftp://") || (line.startsWith(DACA2_PACKAGES) && line.endsWith(".tar.xz"))) {
local = line.startsWith(DACA2_PACKAGES) && line.endsWith(".tar.xz");
url = line;
if (!errorMessage.isEmpty())
mAllErrors << errorMessage;
errorMessage.clear();
} else if (!url.isEmpty()) {
static const QRegularExpression severityRe("^.*: (error|warning|style|note):.*$");
if (!severityRe.match(line).hasMatch())
continue;
if (!local) {
const QRegularExpressionMatch matchRes = mVersionRe.match(line);
if (matchRes.hasMatch()) {
const QString version = matchRes.captured(1);
if (versions.indexOf(version) < 0)
versions << version;
}
}
if (line.indexOf(": note:") > 0)
errorMessage += '\n' + line;
else if (errorMessage.isEmpty()) {
errorMessage = url + '\n' + line;
} else {
mAllErrors << errorMessage;
errorMessage = url + '\n' + line;
}
}
}
if (!errorMessage.isEmpty())
mAllErrors << errorMessage;
ui->version->clear();
if (versions.size() > 1)
ui->version->addItem("");
ui->version->addItems(versions);
filter("");
}
void MainWindow::refreshResults()
{
filter(ui->version->currentText());
}
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void MainWindow::filter(const QString& filter)
{
QStringList allErrors;
for (const QString &errorItem : mAllErrors) {
if (filter.isEmpty()) {
allErrors << errorItem;
continue;
}
const QStringList lines = errorItem.split("\n");
if (lines.size() < 2)
continue;
if (lines[1].startsWith(filter))
allErrors << errorItem;
}
ui->results->clear();
if (ui->random100->isChecked() && allErrors.size() > MAX_ERRORS) {
// remove items in /test/
for (int i = allErrors.size() - 1; i >= 0 && allErrors.size() > MAX_ERRORS; --i) {
if (allErrors[i].indexOf("test") > 0)
allErrors.removeAt(i);
}
std::shuffle(allErrors.begin(), allErrors.end(), std::mt19937(std::random_device()()));
ui->results->addItems(allErrors.mid(0, MAX_ERRORS));
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ui->results->sortItems();
} else {
ui->results->addItems(allErrors);
}
}
bool MainWindow::runProcess(const QString &programName, const QStringList &arguments)
{
QProgressDialog dialog("Running external process: " + programName, "Kill", 0 /*min*/, 1 /*max*/, this);
dialog.setWindowModality(Qt::WindowModal);
dialog.setMinimumDuration(0 /*msec*/);
dialog.setValue(0);
QProcess process;
process.setWorkingDirectory(WORK_FOLDER);
process.start(programName, arguments); // async action
bool success = false;
bool state = (QProcess::Running == process.state() || QProcess::Starting == process.state());
while (!success && state) {
success = process.waitForFinished(50 /*msec*/);
// Not the best way to keep UI unfreeze, keep work async in other thread much more a Qt style
QCoreApplication::processEvents();
if (dialog.wasCanceled()) {
process.kill();
success = false;
break;
}
state = (QProcess::Running == process.state() || QProcess::Starting == process.state());
}
dialog.setValue(1);
if (!success) {
QString errorstr(programName);
errorstr.append(": ");
errorstr.append(process.errorString());
ui->statusBar->showMessage(errorstr);
} else {
const int exitCode = process.exitCode();
if (exitCode != 0) {
success = false;
const QByteArray stderrOutput = process.readAllStandardError();
QString errorstr(programName);
errorstr.append(QString(": exited with %1: ").arg(exitCode));
errorstr.append(stderrOutput);
ui->statusBar->showMessage(errorstr);
}
}
return success;
}
bool MainWindow::wget(const QString &url)
{
return runProcess("wget", QStringList{url});
}
bool MainWindow::unpackArchive(const QString &archiveName)
{
// Unpack archive
QStringList args;
#ifdef Q_OS_WIN
/* On Windows --force-local is necessary because tar wants to connect to a remote system
* when a colon is found in the archiveName. So "C:/Users/blah/triage/package" would not work
* without it. */
args << "--force-local";
#endif
if (archiveName.endsWith(".tar.gz"))
args << "-xzvf";
else if (archiveName.endsWith(".tar.bz2"))
args << "-xjvf";
else if (archiveName.endsWith(".tar.xz"))
args << "-xJvf";
else {
// Try to automatically find an (un)compressor for this archive
args << "-xavf";
}
args << archiveName;
return runProcess("tar", args);
}
void MainWindow::showResult(QListWidgetItem *item)
{
ui->statusBar->clearMessage();
const bool local = item->text().startsWith(DACA2_PACKAGES);
if (!item->text().startsWith("ftp://") && !local)
return;
const QStringList lines = item->text().split("\n");
if (lines.size() < 2)
return;
const QString &url = lines[0];
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QString msg = lines[1];
if (!local) {
const QRegularExpressionMatch matchRes = mVersionRe.match(msg);
if (matchRes.hasMatch())
msg = matchRes.captured(2);
}
const QString archiveName = url.mid(url.lastIndexOf("/") + 1);
const int pos1 = msg.indexOf(":");
const int pos2 = msg.indexOf(":", pos1+1);
const QString fileName = WORK_FOLDER + '/' + msg.left(msg.indexOf(":"));
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const int lineNumber = msg.mid(pos1+1, pos2-pos1-1).toInt();
if (!QFileInfo::exists(fileName)) {
const QString daca2archiveFile {DACA2_PACKAGES + '/' + archiveName.mid(0,archiveName.indexOf(".tar.")) + ".tar.xz"};
if (QFileInfo::exists(daca2archiveFile)) {
if (!unpackArchive(daca2archiveFile))
return;
} else if (!local) {
const QString archiveFullPath {WORK_FOLDER + '/' + archiveName};
if (!QFileInfo::exists(archiveFullPath)) {
// Download archive
if (!wget(url))
return;
}
if (!unpackArchive(archiveFullPath))
return;
}
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}
showSrcFile(fileName, url, lineNumber);
}
void MainWindow::showSrcFile(const QString &fileName, const QString &url, const int lineNumber)
{
// Open file
ui->code->setFocus();
QFile f(fileName);
if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
const QString errorMsg =
QString("Opening file %1 failed: %2").arg(f.fileName(), f.errorString());
ui->statusBar->showMessage(errorMsg);
} else {
QTextStream textStream(&f);
const QString fileData = textStream.readAll();
ui->code->setError(fileData, lineNumber, QStringList());
f.close();
ui->urlEdit->setText(url);
ui->fileEdit->setText(fileName);
ui->directoryTree->setCurrentIndex(mFSmodel.index(fileName));
}
}
void MainWindow::fileTreeFilter(const QString &str)
{
mFSmodel.setNameFilters(QStringList{"*" + str + "*"});
mFSmodel.setNameFilterDisables(false);
}
void MainWindow::findInFilesClicked()
{
ui->tabWidget->setCurrentIndex(1);
ui->inFilesResult->clear();
const QString text = ui->filterEdit->text();
QStringList filter;
if (ui->hFilesFilter->isChecked())
filter.append(hFiles);
if (ui->srcFilesFilter->isChecked())
filter.append(srcFiles);
QMimeDatabase mimeDatabase;
QDirIterator it(WORK_FOLDER, filter, QDir::AllEntries | QDir::NoSymLinks | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
const auto common_path_len = WORK_FOLDER.length() + 1; // let's remove common part of path improve UI
while (it.hasNext()) {
const QString fileName = it.next();
const QMimeType mimeType = mimeDatabase.mimeTypeForFile(fileName);
if (mimeType.isValid() && !mimeType.inherits(QStringLiteral("text/plain"))) {
continue;
}
QFile file(fileName);
if (file.open(QIODevice::ReadOnly)) {
int lineN = 0;
QTextStream in(&file);
while (!in.atEnd()) {
++lineN;
QString line = in.readLine();
if (line.contains(text, Qt::CaseInsensitive)) {
ui->inFilesResult->addItem(fileName.mid(common_path_len) + QString{":"} + QString::number(lineN));
}
}
}
}
}
void MainWindow::directorytreeDoubleClick()
{
showSrcFile(mFSmodel.filePath(ui->directoryTree->currentIndex()), "", 1);
}
void MainWindow::searchResultsDoubleClick()
{
QString filename = ui->inFilesResult->currentItem()->text();
const auto idx = filename.lastIndexOf(':');
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const int line = filename.mid(idx + 1).toInt();
showSrcFile(WORK_FOLDER + QString{"/"} + filename.left(idx), "", line);
}
void MainWindow::resultsContextMenu(const QPoint& pos)
{
if (ui->results->selectedItems().isEmpty())
return;
QMenu submenu;
submenu.addAction("Copy");
const QAction* menuItem = submenu.exec(ui->results->mapToGlobal(pos));
if (menuItem && menuItem->text().contains("Copy"))
{
QString text;
for (const auto *res: ui->results->selectedItems())
text += res->text() + "\n";
QApplication::clipboard()->setText(text);
}
}