tree: Resolve clang-tidy, clazy, compiler warnings

cli/commandadd.cpp

@@ -23,7 +23,7 @@ void CommandAdd::indexerFinished()
 	if(failedPathsCount > 0)
 	{
 		Logger::info() << "Failed paths: " << Qt::endl;
-		for(QString paths : result.failedPaths())
+		for(const QString &paths : result.failedPaths())
 		{
 			Logger::info() << paths << Qt::endl;
 		}
@@ -95,8 +95,8 @@ int CommandAdd::handle(QStringList arguments)
 	connect(indexer, &Indexer::pathsCountChanged, this,
 			[](int pathsCount) { Logger::info() << "Found paths: " << pathsCount << Qt::endl; });
 	connect(indexer, &Indexer::indexProgress, this,
-			[](int pathsCount, unsigned int added, unsigned int skipped, unsigned int failed, unsigned int totalCount)
-			{ Logger::info() << "Processed files: " << pathsCount << Qt::endl; });
+			[](int pathsCount, unsigned int /*added*/, unsigned int /*skipped*/, unsigned int /*failed*/,
+			   unsigned int /*totalCount*/) { Logger::info() << "Processed files: " << pathsCount << Qt::endl; });
 	connect(indexer, &Indexer::finished, this, &CommandAdd::indexerFinished);
 
 	this->autoFinish = false;

cli/commandlist.cpp

@@ -1,6 +1,5 @@
 #include <QCommandLineParser>
 #include "commandlist.h"
-#include "databasefactory.h"
 #include "logger.h"
 
 int CommandList::handle(QStringList arguments)

cli/commandupdate.cpp

@@ -38,7 +38,6 @@ int CommandUpdate::handle(QStringList arguments)
 		QThreadPool::globalInstance()->setMaxThreadCount(threadsCount.toInt());
 	}
 
-	bool hasErrors = false;
 	IndexSyncer *syncer = new IndexSyncer(*this->dbService);
 
 	FileSaverOptions fileOptions;
@@ -64,7 +63,7 @@ int CommandUpdate::handle(QStringList arguments)
 		/* TODO: updated not printed, handled be verbose in FileSaver, but this can be improved */
 	}
 	connect(syncer, &IndexSyncer::finished, this,
-			[&](unsigned int totalUpdated, unsigned int totalRemoved, unsigned int totalErrors)
+			[this, dryRun, keepGoing](unsigned int totalUpdated, unsigned int totalRemoved, unsigned int totalErrors)
 			{
 				Logger::info() << "Syncing finished" << Qt::endl;
 
@@ -76,7 +75,7 @@ int CommandUpdate::handle(QStringList arguments)
 				}
 
 				int retval = 0;
-				if(hasErrors && !keepGoing)
+				if(this->hasErrors && !keepGoing)
 				{
 					retval = 1;
 				}
@@ -86,7 +85,7 @@ int CommandUpdate::handle(QStringList arguments)
 			[&](QString error)
 			{
 				Logger::error() << error << Qt::endl;
-				hasErrors = true;
+				this->hasErrors = true;
 			});
 
 	this->autoFinish = false;

cli/commandupdate.h

@@ -4,6 +4,9 @@
 #include "filesaver.h"
 class CommandUpdate : public Command
 {
+  protected:
+	bool hasErrors = false;
+
   public:
 	using Command::Command;
 	int handle(QStringList arguments) override;

gui/mainwindow.cpp

@@ -22,7 +22,6 @@
 #include "../shared/sqlitesearch.h"
 #include "../shared/looqsgeneralexception.h"
 #include "../shared/common.h"
-#include "previewgenerator.h"
 #include "aboutdialog.h"
 
 MainWindow::MainWindow(QWidget *parent, QString socketPath)
@@ -148,7 +147,7 @@ void MainWindow::connectSignals()
 	connect(this->indexer, &Indexer::finished, this, &MainWindow::finishIndexing);
 
 	connect(ui->lstPaths->selectionModel(), &QItemSelectionModel::selectionChanged, this,
-			[&](const QItemSelection &selected, const QItemSelection &deselected)
+			[&](const QItemSelection & /*selected*/, const QItemSelection & /*deselected*/)
 			{ ui->btnDeletePath->setEnabled(this->ui->lstPaths->selectedItems().count() > 0); });
 
 	connect(ui->btnDeletePath, &QPushButton::clicked, this, [&] { qDeleteAll(ui->lstPaths->selectedItems()); });
@@ -168,30 +167,29 @@ void MainWindow::connectSignals()
 				}
 			});
 	connect(ui->menuAboutAction, &QAction::triggered, this,
-			[this](bool checked)
+			[this](bool /*checked*/)
 			{
 				AboutDialog aboutDialog(this);
 
 				aboutDialog.exec();
 			});
 	connect(ui->menuAboutQtAction, &QAction::triggered, this,
-			[this](bool checked) { QMessageBox::aboutQt(this, "About Qt"); });
+			[this](bool /*checked*/) { QMessageBox::aboutQt(this, "About Qt"); });
 	connect(ui->menuSyncIndexAction, &QAction::triggered, this, &MainWindow::startIndexSync);
 	connect(ui->menuOpenUserManualAction, &QAction::triggered, this,
-			[this]() { QDesktopServices::openUrl(Common::userManualUrl()); });
+			[]() { QDesktopServices::openUrl(Common::userManualUrl()); });
 
-	connect(indexSyncer, &IndexSyncer::finished, this,
-			[&](unsigned int totalUpdated, unsigned int totalDeleted, unsigned int totalErrored)
-			{
-				this->progressDialog.cancel();
+	connect(
+		indexSyncer, &IndexSyncer::finished, this,
+		[&](unsigned int totalUpdated, unsigned int totalDeleted, unsigned int totalErrored)
+		{
+			this->progressDialog.cancel();
 
-				QMessageBox::information(
-					this, "Syncing finished",
-					QString("Syncing finished\n\nTotal updated: %1\nTotal deleted: %2\nTotal errors: %3\n")
-						.arg(QString::number(totalUpdated))
-						.arg(QString::number(totalDeleted))
-						.arg(QString::number(totalErrored)));
-			});
+			QMessageBox::information(
+				this, "Syncing finished",
+				QString("Syncing finished\n\nTotal updated: %1\nTotal deleted: %2\nTotal errors: %3\n")
+					.arg(QString::number(totalUpdated), QString::number(totalDeleted), QString::number(totalErrored)));
+		});
 	connect(this, &MainWindow::beginIndexSync, indexSyncer, &IndexSyncer::sync);
 	connect(&this->progressDialog, &QProgressDialog::canceled, indexSyncer, &IndexSyncer::cancel);
 	connect(ui->btnSaveSettings, &QPushButton::clicked, this, &MainWindow::saveSettings);
@@ -352,7 +350,7 @@ void MainWindow::finishIndexing()
 	}
 }
 
-void MainWindow::comboScaleChanged(int i)
+void MainWindow::comboScaleChanged(int /*i*/)
 {
 	QSettings scaleSetting;
 	scaleSetting.setValue("currentScale", ui->comboScale->currentText());
@@ -398,7 +396,8 @@ void MainWindow::processShortcut(int key)
 	{
 		ui->txtSearch->setFocus();
 		QString currentText = ui->txtSearch->text().trimmed();
-		int index = currentText.lastIndexOf(QRegularExpression("[\\s\\)]"));
+		static QRegularExpression separatorRegex("[\\s\\)]");
+		int index = currentText.lastIndexOf(separatorRegex);
 		if(index != -1)
 		{
 			bool isFilter = (index == currentText.length() - 1);
@@ -678,7 +677,7 @@ void MainWindow::previewReceived()
 			QFileInfo fileInfo{docPath};
 			QMenu menu("labeRightClick", this);
 			createSearchResultMenu(menu, fileInfo);
-			menu.addAction("Copy page number",
+			menu.addAction("Copy page number", this,
 						   [previewPage] { QGuiApplication::clipboard()->setText(QString::number(previewPage)); });
 			menu.exec(QCursor::pos());
 		};
@@ -916,7 +915,7 @@ void MainWindow::makePreviews(int page)
 	ui->previewProcessBar->setMaximum(this->previewCoordinator.previewableCount());
 
 	QVector<QString> wordsToHighlight;
-	QRegularExpression extractor(R"#("([^"]*)"|([^\s]+))#");
+	static QRegularExpression extractor(R"#("([^"]*)"|([^\s]+))#");
 	for(const Token &token : this->contentSearchQuery.getTokens())
 	{
 		if(token.type == FILTER_CONTENT_CONTAINS)
@@ -948,7 +947,6 @@ void MainWindow::makePreviews(int page)
 	renderConfig.scaleY = QGuiApplication::primaryScreen()->physicalDotsPerInchY() * (currentScale / 100.);
 	renderConfig.wordsToHighlight = wordsToHighlight;
 
-	int previewPos = 0;
 	QVector<RenderTarget> targets;
 	for(const SearchResult &sr : this->previewCoordinator.getPreviewableSearchResults())
 	{
@@ -988,20 +986,20 @@ void MainWindow::handleSearchError(QString error)
 
 void MainWindow::createSearchResultMenu(QMenu &menu, const QFileInfo &fileInfo)
 {
-	menu.addAction("Copy filename to clipboard",
+	menu.addAction("Copy filename to clipboard", this,
 				   [&fileInfo] { QGuiApplication::clipboard()->setText(fileInfo.fileName()); });
-	menu.addAction("Copy full path to clipboard",
+	menu.addAction("Copy full path to clipboard", this,
 				   [&fileInfo] { QGuiApplication::clipboard()->setText(fileInfo.absoluteFilePath()); });
-	menu.addAction("Open containing folder", [this, &fileInfo] { this->openFile(fileInfo.absolutePath()); });
+	menu.addAction("Open containing folder", this, [this, &fileInfo] { this->openFile(fileInfo.absolutePath()); });
 
 	auto previewables = this->previewCoordinator.getPreviewableSearchResults();
 	auto result =
 		std::find_if(previewables.begin(), previewables.end(),
-					 [this, &fileInfo](SearchResult &a) { return fileInfo.absoluteFilePath() == a.fileData.absPath; });
+					 [&fileInfo](SearchResult &a) { return fileInfo.absoluteFilePath() == a.fileData.absPath; });
 
 	if(result != previewables.end())
 	{
-		menu.addAction("Show previews for this file",
+		menu.addAction("Show previews for this file", this,
 					   [this, &fileInfo]
 					   {
 						   ui->tabWidget->setCurrentIndex(1);
@@ -1037,7 +1035,7 @@ void MainWindow::openFile(QString path)
 	QDesktopServices::openUrl(QUrl::fromLocalFile(path));
 }
 
-void MainWindow::treeSearchItemActivated(QTreeWidgetItem *item, int i)
+void MainWindow::treeSearchItemActivated(QTreeWidgetItem *item, int /*i*/)
 {
 	openFile(item->text(1));
 }
@@ -1065,7 +1063,7 @@ MainWindow::~MainWindow()
 	delete ui;
 }
 
-void MainWindow::closeEvent(QCloseEvent *event)
+void MainWindow::closeEvent(QCloseEvent * /*event*/)
 {
 	QStringList list = this->searchHistory.toList();
 	QSettings settings;

gui/mainwindow.h

@@ -57,7 +57,7 @@ class MainWindow : public QMainWindow
 	void initSettingsTabs();
 	int currentSelectedScale();
 	void processShortcut(int key);
-	bool eventFilter(QObject *object, QEvent *event);
+	bool eventFilter(QObject *object, QEvent *event) override;
 
   private slots:
 	void lineEditReturnPressed();

gui/previewgeneratorodt.cpp

@@ -24,7 +24,7 @@ QSharedPointer<PreviewResult> PreviewGeneratorOdt::generate(RenderConfig config,
 		throw LooqsGeneralException("Error while reading content.xml of " + documentPath);
 	}
 	TagStripperProcessor tsp;
-	QString content = tsp.process(entireContent).first().content;
+	QString content = tsp.process(entireContent).constFirst().content;
 
 	PreviewGeneratorPlainText plainTextGenerator;
 	result->setText(plainTextGenerator.generatePreviewText(content, config, info.fileName()));

gui/previewgeneratorplaintext.cpp

@@ -195,7 +195,7 @@ QString PreviewGeneratorPlainText::generateLineBasedPreviewText(QTextStream &in,
 				  int totalWordsA = 0;
 				  int differentWordsB = 0;
 				  int totalWordsB = 0;
-				  for(int count : a.wordCountMap.values())
+				  for(int count : qAsConst(a.wordCountMap))
 				  {
 					  if(count > 0)
 					  {
@@ -203,7 +203,7 @@ QString PreviewGeneratorPlainText::generateLineBasedPreviewText(QTextStream &in,
 					  }
 					  totalWordsA += count;
 				  }
-				  for(int count : b.wordCountMap.values())
+				  for(int count : qAsConst(b.wordCountMap))
 				  {
 					  if(count > 0)
 					  {

shared/looqsquery.cpp

@@ -7,6 +7,7 @@
 #include <optional>
 #include <algorithm>
 #include "looqsquery.h"
+#include "looqsgeneralexception.h"
 
 const QVector<Token> &LooqsQuery::getTokens() const
 {
@@ -180,8 +181,9 @@ LooqsQuery LooqsQuery::build(QString expression, TokenType loneWordsTokenType, b
 
 	QStringList loneWords;
 	LooqsQuery result;
-	QRegularExpression rx("((?<filtername>(\\.|\\w)+):(?<args>\\((?<innerargs>[^\\)]+)\\)|([^\\s])+)|(?<boolean>AND|OR)"
-						  "|(?<negation>!)|(?<bracket>\\(|\\))|(?<loneword>[^\\s]+))");
+	static QRegularExpression rx(
+		"((?<filtername>(\\.|\\w)+):(?<args>\\((?<innerargs>[^\\)]+)\\)|([^\\s])+)|(?<boolean>AND|OR)"
+		"|(?<negation>!)|(?<bracket>\\(|\\))|(?<loneword>[^\\s]+))");
 	QRegularExpressionMatchIterator i = rx.globalMatch(expression);
 	auto previousWasBool = [&result] { return !result.tokens.empty() && ((result.tokens.last().type & BOOL) == BOOL); };
 	auto previousWas = [&result](TokenType t) { return !result.tokens.empty() && (result.tokens.last().type == t); };

shared/looqsquery.h

@@ -2,7 +2,6 @@
 #define LOOQSQUERY_H
 #include <QString>
 #include <QVector>
-#include "looqsgeneralexception.h"
 #include "token.h"
 /* Fields that can be queried or sorted */
 enum QueryField
@@ -46,7 +45,7 @@ class LooqsQuery
 	void addToken(Token t);
 	void updateTokensMask()
 	{
-		for(const Token &t : tokens)
+		for(const Token &t : qAsConst(tokens))
 		{
 			this->tokensMask |= t.type;
 		}

shared/nothingprocessor.h

@@ -10,7 +10,7 @@ class NothingProcessor : public Processor
 	NothingProcessor();
 
   public:
-	QVector<PageData> process(const QByteArray &data) const override
+	QVector<PageData> process(const QByteArray & /*data*/) const override
 	{
 		return {};
 	}

shared/odtprocessor.cpp

@@ -3,7 +3,7 @@
 #include "odtprocessor.h"
 #include "tagstripperprocessor.h"
 
-QVector<PageData> OdtProcessor::process(const QByteArray &data) const
+QVector<PageData> OdtProcessor::process(const QByteArray & /*data*/) const
 {
 	throw LooqsGeneralException("Not implemented yet");
 }

shared/paralleldirscanner.cpp

@@ -1,5 +1,3 @@
-#include "paralleldirscanner.h"
-
 #include <QRunnable>
 #include <QMutex>
 #include <QDirIterator>
@@ -7,7 +5,7 @@
 #include <QThreadPool>
 #include <functional>
 #include "dirscanworker.h"
-#include "logger.h"
+#include "paralleldirscanner.h"
 
 ParallelDirScanner::ParallelDirScanner()
 {

shared/sqlitesearch.cpp

@@ -69,7 +69,7 @@ QString SqliteSearch::createSortSql(const QVector<SortCondition> sortConditions)
 QString SqliteSearch::escapeFtsArgument(QString ftsArg)
 {
 	QString result;
-	QRegularExpression extractor(R"#("([^"]*)"|([^\s]+))#");
+	static QRegularExpression extractor(R"#("([^"]*)"|([^\s]+))#");
 	QRegularExpressionMatchIterator i = extractor.globalMatch(ftsArg);
 	while(i.hasNext())
 	{
@@ -149,7 +149,6 @@ QPair<QString, QVector<QString>> SqliteSearch::createSql(const Token &token)
 QSqlQuery SqliteSearch::makeSqlQuery(const LooqsQuery &query)
 {
 	QString whereSql;
-	QString joinSql;
 	QVector<QString> bindValues;
 	bool isContentSearch = (query.getTokensMask() & FILTER_CONTENT) == FILTER_CONTENT;
 	if(query.getTokens().isEmpty())