comments and some improvements

src/include/api.h

@@ -8,7 +8,7 @@
 Result<ParseInfo> transpile(std::string fileContent);
 
 std::string escapeText(std::string text);
-std::string wrapText(std::string text, size_t width);
+std::string wrapLine(std::string text, size_t width);
 
 
 extern std::chrono::high_resolution_clock::time_point start;

src/qtapp/mdemList.cpp

@@ -73,7 +73,7 @@
 #include "parser.h"
 #include "qscilexer.h"
 
-// Memorybase.
+// Atmiņas bāze.
 QString                             currentPath   = "";
 std::string                         currentMdem   = "";
 QFileSystemModel                   *model;
@@ -81,7 +81,7 @@ QTreeView                          *mdemList;
 std::map<std::string, MdemBuffer*>  buffers;
 MdemBuffer                         *currentMdemBuffer;
 
-// Mdem list.
+// Atmiņas kaartīšu saraksts.
 std::vector<Mdem*>  mdems       = std::vector<Mdem*>();
 QVBoxLayout        *hMdemScroll;
 QSpacerItem        *mdemSpacer;
@@ -89,17 +89,20 @@ ErrorView          *errorView;
 Pagination         *pagination;
 int                 perPage;
 
-// Editor
+// Redaktors.
 QsciScintilla *editor;
 QMainWindow   *editorWindow;
 Mdem          *editMdem;
 
-// Top labels.
+// Augšēja informācija.
-QLabel *membaseLabel;
+QLabel      *membaseLabel;
-QLabel *mdemLabel;
+QLabel      *mdemLabel;
-QLabel *lastPracticeLabel;
+QLabel      *lastPracticeLabel;
-QMainWindow  *trainWindow;
+QMainWindow *trainWindow;
 
+/*
+ * Atmiņas kartītei parāda visus slēptos elementus.
+ * */
 void showBacklabels(Mdem *mdem) {
 	for (size_t i = 0; i < mdem->backLabels.size(); ++i) {
 		if (i < mdem->labelCount) {
@@ -114,14 +117,19 @@ void showBacklabels(Mdem *mdem) {
 	}
 }
 
+/*
+ * Izveido jautājuma kartīšu pirmkodu ar norādītu trenešanas laiku.
+ * Papildus konfigurācijai var norādīt platumu pirms jaunas rindas un laika zonu.
+ */
 std::string outputMdem(
 	std::vector<Question*> questions,
 	time_t time = 0,
-	const int wrap_width = 80,
+	const int wrapWidth = 80,
 	const int timezoneOffset = 0
 ) {
 	std::stringstream ss;
 
+	// Ja ir saistīts laiks, ja tāds ir.
 	if (time > 0) {
 		std::tm* tm = std::localtime(&time);
 		char buffer[100];
@@ -130,18 +138,25 @@ std::string outputMdem(
 		ss << time << std::endl;
 	}
 
+	// Detranspilē katru jautājumu.
 	for (auto question: questions) {
+
+		// Pārtraukums.
 		ss << std::endl;
 		std::string cooldownPart;
 		if (question->cooldown != 0) {
 			cooldownPart = std::format(" [{:.2f}]", question->cooldown);
 		}
-		ss << wrapText(
+
+		// Jautājuma teksts.
+		ss << wrapLine(
 			std::format("-{}{} >\n",
 			cooldownPart,
 			" " + escapeText(question->questionText)),
-			wrap_width
+			wrapWidth
 		);
+
+		// Detranspilē atbilstoši veidam.
 		if (MultiElementQuestion* mw = dynamic_cast<MultiElementQuestion*>(question)) {
 			for (auto choice: mw->choices) {
 				char opener;
@@ -155,30 +170,32 @@ std::string outputMdem(
 					orderModifier = "^";
 				}
 				ss << 
-					wrapText(
+					wrapLine(
 						std::format(
 							"\t{}{} {}\n",
 							opener,
 							orderModifier,
 							escapeText(choice.answer)
 						)
-					, wrap_width);
+					, wrapWidth);
 			}
+
 		} else if (GroupQuestion* gq = dynamic_cast<GroupQuestion*>(question)) {
+
 			for (auto group: gq->groups) {
-				ss << wrapText(
+				ss << wrapLine(
 					std::format(
 						"\t- {}:\n",
 						escapeText(group.name)
 					)
-				, wrap_width);
+				, wrapWidth);
 				for (auto element: group.elements) {
-					ss << wrapText(
+					ss << wrapLine(
 					std::format(
 						"\t\t- {}\n",
 						escapeText(element)
 					)
-					, wrap_width);
+					, wrapWidth);
 				}
 			}
 		}
@@ -186,14 +203,21 @@ std::string outputMdem(
 	return ss.str();
 }
 
+/*
+ * Izveido lappušu objektus atbilstoši jautājumu skaitam vienā lapā.
+ * */
 void makePages() {
     pagination->pages.clear();
 	auto len = currentMdemBuffer->questions.size();
 	perPage = settings->value(SETTING_PER_PAGE).toInt();
 	auto pageAmount = len / perPage;
+
+	// Papildus lapa, ja objektu skaits nedalās tieši un paliek papildus kartītes.
 	if (len % perPage != 0) {
 		pageAmount += 1;
 	}
+
+	// Veido lappuses objektus.
 	for (size_t i = 0; i < pageAmount; i++) {
 		size_t startingIndex = perPage * i ;
 		size_t amount = perPage;
@@ -204,9 +228,20 @@ void makePages() {
 			Page{startingIndex, startingIndex + amount}
 		);
     }
+
+	// Ja tiek noņemts pēdējais lappuses elements, pārliek lappusi uz iepriekšējo.
+	if (pagination->pages.size() > 1 && pagination->currentPage >= pagination->pages.size()) {
+		--pagination->currentPage;
+	}
 }
 
+/*
+ * Uzstāda atmiņas kartīti ar jebkura veida jautājuma.
+ * Uzstāda jautājuma tekstu un pievieno/uzstāda atbildes elementus.
+ * */
 void setupMdem(Mdem *mdem, Question *question) {
+
+	// Priekšas teksts.
 	std::stringstream ss;
 	if (question->cooldown > 0) {
 		ss << std::format("[{:.2f}] ", question->cooldown);
@@ -215,10 +250,15 @@ void setupMdem(Mdem *mdem, Question *question) {
 	mdem->wFrontText.setText(
 		QString::fromStdString(ss.str())	
 	);
+
 	if (MultiElementQuestion* mw = dynamic_cast<MultiElementQuestion*>(question)) {
 		auto choices = mw->choices;
+		
+		// Pievieno vairākus elementus atbilstoši veidam.
 		for (size_t k = 0; k < choices.size(); ++k) {
 			auto answer = choices[k].answer;
+
+			// Sagatavo elementu.
 			switch (mw->type) {
 				case MultiElementType::Order:
 					answer = std::format("{}. {}", k + 1, answer); 
@@ -234,6 +274,8 @@ void setupMdem(Mdem *mdem, Question *question) {
 					answer = std::format("- {}", answer); 
 					break;
 			}
+
+			// Pievieno elementu.
 			if (k < mdem->backLabels.size()) {
 				mdem->backLabels[k]->setText(QString::fromStdString(answer));
 			} else {
@@ -243,10 +285,13 @@ void setupMdem(Mdem *mdem, Question *question) {
 				mdem->wBack.layout()->addWidget(label);
 			}
 		}
+
 		mdem->labelCount = choices.size();
 	} else if (GroupQuestion* mw = dynamic_cast<GroupQuestion*>(question)) {
 		auto groups = mw->groups;
 		std::vector<std::string> elements;
+
+		// Sagatovo grupas un elementus.
 		for (size_t k = 0; k < groups.size(); ++k) {
 			auto answer = groups[k].name;
 			elements.push_back(std::format("- {}:", answer)); 
@@ -254,6 +299,8 @@ void setupMdem(Mdem *mdem, Question *question) {
 				elements.push_back(std::format("    - {}", groups[k].elements[l])); 
 			}
 		}
+
+		// Pievieno grupas un elementus.
 		for (size_t k = 0; k < elements.size(); ++k) {
 			if (k < mdem->backLabels.size()) {
 				mdem->backLabels[k]->setText(QString::fromStdString(elements[k]));
@@ -264,12 +311,16 @@ void setupMdem(Mdem *mdem, Question *question) {
 				mdem->wBack.layout()->addWidget(label);
 			}
 		}
+
 		mdem->labelCount = elements.size();
 	}
 }
 
 void switchPage(int pageIdx);
 
+/*
+ * Iegūst faila nosaukumu no faila ceļa.
+ */
 std::string getFilename(std::string path) {
 	static const std::regex lastPathElementExp = std::regex("(.+\\/)*(.+)"); 
 	std::smatch matches;
@@ -277,6 +328,9 @@ std::string getFilename(std::string path) {
 	return matches[2].str();
 }
 
+/*
+ * Atjauno atmiņas kartīšu faila augšējo informāciju.
+ * */
 void updateMdemInfo(std::string filename, bool isChanged) {
 	currentMdemBuffer->isModified = isChanged;
 	if (filename.length() > 0) {
@@ -301,14 +355,16 @@ void updateMdemInfo(std::string filename, bool isChanged) {
 	}
 }
 
+/*
+ * Izveido atmiņas kartīti un visus tās elementus.
+ * */
 Mdem* makeMdem() {
 	auto mdem = new Mdem;
 	mdem->wMdem.setLayout(&mdem->vMdem);
 
+	// Priekša. 
 	QString id = QString("mdem_%1").arg(1);
 	mdem->wMdem.setObjectName(id);
-
-	// Front
 	mdem->wFront.setMinimumHeight(70);
 	mdem->wFront.setLayout(&mdem->hFront);
 	mdem->wFront.setProperty("first", "true");
@@ -324,7 +380,7 @@ Mdem* makeMdem() {
 		"}"
 	).arg(id, MDEM_BACKGROUND));
 
-	// Add Front Content
+	// Saturs. 
 	mdem->wFrontText.setWordWrap(true);
 	mdem->wFrontText.setSizePolicy(
 		QSizePolicy::Expanding,
@@ -332,6 +388,7 @@ Mdem* makeMdem() {
 	);
 	mdem->hFront.addWidget(&mdem->wFrontText);
 
+	// Rediģēšanas poga.
 	mdem->editButton.setText("Rediģēt");
 	QObject::connect(
 		&mdem->editButton,
@@ -355,6 +412,7 @@ Mdem* makeMdem() {
 	);
 	mdem->hFront.addWidget(&mdem->editButton);
 
+	// Dzēšanas poga.
 	mdem->deleteButton.setText("Dzēst");
 	QObject::connect(
 		&mdem->deleteButton,
@@ -381,14 +439,11 @@ Mdem* makeMdem() {
 	);
 	mdem->hFront.addWidget(&mdem->deleteButton);
 
-	mdem->toggleVisibility.setText("Parādīt");
+	// Aizmugura. 
-	mdem->hFront.addWidget(&mdem->toggleVisibility);
-
-	// Back
 	mdem->wBack.setLayout(&mdem->hBack);
 	mdem->vMdem.addWidget(&mdem->wBack);
 
-	// Add Back Content
+	// Aizmuguras saturs.
 	for (size_t i = 0; i < 20; ++i) {
 		// @Improve: back label pooling
 		QLabel *elBackText = new QLabel();
@@ -404,7 +459,9 @@ Mdem* makeMdem() {
 	mdem->wBack.hide();
 	mdem->wMdem.hide();
 
-	// Connect button to toggle view
+	// Atbildes parādīšanas poga.
+	mdem->toggleVisibility.setText("Parādīt");
+	mdem->hFront.addWidget(&mdem->toggleVisibility);
 	QObject::connect(&mdem->toggleVisibility, &QToolButton::clicked, [mdem]() {
 		if (mdem->wBack.isVisible()) {
 			mdem->wBack.hide();
@@ -418,17 +475,22 @@ Mdem* makeMdem() {
 	return mdem;
 }
 
+/*
+ * Izveido rādāmās kartītes (argumentam nedrīkst pārniegt maksimāli iespējamo daudzumu lapā).
+ * */
+void createMdems(std::vector<Question*>& questions) {
 
-void CreateMdems(std::vector<Question*>& questions) {
 	hMdemScroll->removeItem(mdemSpacer);
 
+	// Paslēp visas atmiņas kartītes.
     for (Mdem *mdem : mdems) {
         if (mdem->wMdem.isVisible()) {
             mdem->wMdem.hide();
         }
     }
 
-	perPage = settings->value(SETTING_PER_PAGE).toInt();
+    // Pievieno atmiņas kartītes, ja nepieciešamais daudzums pārsniedz esošo.
+    perPage = settings->value(SETTING_PER_PAGE).toInt();
 	if (perPage > mdems.size()) {
 		for (size_t i = mdems.size(); i < perPage; i++) {
 			if (i >= mdems.size()) {
@@ -439,6 +501,7 @@ void CreateMdems(std::vector<Question*>& questions) {
 		}
 	}
 
+	// Parāda nepieciešamās atmiņas kartītes.
 	for (size_t i = 0; i < questions.size(); ++i) {
 		mdems[i]->question = questions[i];
 		setupMdem(mdems[i], questions[i]);
@@ -450,6 +513,9 @@ void CreateMdems(std::vector<Question*>& questions) {
 	hMdemScroll->addItem(mdemSpacer);
 }
 
+/*
+ * Atjauno sarakstu un tā informāciju.
+ */
 void update(bool isChanged) {
 	if (pagination->currentPage > -1) {
 		switchPage(pagination->currentPage);
@@ -460,9 +526,10 @@ void update(bool isChanged) {
 }
 
 void switchPage(int pageIdx) {
+
     pagination->currentPage = pageIdx;
 
-    // Hide all pagination buttons
+    // Paslēp visas lappušu pogas.
     for (auto& button : pagination->paginationButtons) {
         button->hide();
     }
@@ -472,7 +539,7 @@ void switchPage(int pageIdx) {
     snprintf(buffer, sizeof(buffer), "Lappuse: %d", pageIdx + 1);
     pagination->paginationLabel.setText(buffer);
 
-    // Adjust mdem amount, hide widgets in mdems
+    // Paslēp atbilžu elementus.
     for (auto& mdem : mdems) {
         if (mdem->wBack.isVisible()) {
             mdem->wBack.hide();
@@ -480,7 +547,7 @@ void switchPage(int pageIdx) {
         }
     }
 
-    // Update pagination buttons
+    // Atjauno lappušu pogas.
     for (int k = -DISTANCE; k <= DISTANCE; ++k) {
         if (pageIdx + k >= 0 && pageIdx + k < pagination->pages.size()) {
             auto button = pagination->paginationButtons[l];
@@ -496,50 +563,51 @@ void switchPage(int pageIdx) {
         }
     }
 
-    // Handle first and last buttons
+	// Pirmās un pēdējās pogas redzamība.
     if (pageIdx > 0 && pagination->pages.size() > 1) {
         pagination->firstButton.show();
     } else {
         pagination->firstButton.hide();
     }
-
     if (pageIdx < pagination->pages.size() - 1 && pagination->pages.size() > 1) {
         pagination->lastButton.show();
     } else {
         pagination->lastButton.hide();
     }
 
-    // Handle next and previous buttons
+	// Iepriekšējās pogas redzamība.
-    if (!pagination->pages.empty() && pagination->currentPage < pagination->pages.size() - 1) {
-        pagination->nextButton.show();
-    } else {
-        pagination->nextButton.hide();
-    }
-
     if (!pagination->pages.empty() && pagination->currentPage >= 1) {
         pagination->prevButton.show();
     } else {
         pagination->prevButton.hide();
     }
 
+	// Nākamās pogas redzamība.
+    if (!pagination->pages.empty() && pagination->currentPage < pagination->pages.size() - 1) {
+        pagination->nextButton.show();
+    } else {
+        pagination->nextButton.hide();
+    }
+
     Page page;
+	// Samazina lappuses numuru, ja pēdējai lappusei nepietiek atmiņas kartīšu.
 	if (pagination->pages.size() <= 0) {
+		// Nav lapu -> veidojam tukšu lapu.
 		page = Page();
 	} else if (pageIdx < pagination->pages.size()){
-		page = pagination->pages[pageIdx];
+        // Pieprasītā lapa eksistē -> atgriežam to.
+        page = pagination->pages[pageIdx];
 	} else {
-		if (pageIdx - 1 < pagination->pages.size()) {
+        // Pieprasītā lapa eksistē -> atgriežam iepriekšējo.
-			page = pagination->pages[pageIdx -1];
+        page = pagination->pages[pageIdx - 1];
-		} else {
-			page = pagination->pages[0];
-		}
 	}
 
+	// Izveido lappusi.
     std::vector<Question*> pageSlice(
 		currentMdemBuffer->questions.begin() + page.start,
 		currentMdemBuffer->questions.begin() + page.end
 	);
-    CreateMdems(pageSlice);
+    createMdems(pageSlice);
 }
 
 void reloadMdem(std::string path) {
@@ -586,7 +654,7 @@ void reloadMdem(std::string path) {
 	auto file = std::ifstream(path);
 	std::string content;
 
-	// Reset the mdem list.
+	// Atiestata atmiņas kartīšu sarakstu.
 	for (auto mdem: mdems) {
 		mdem->wMdem.hide();
 	}
@@ -631,7 +699,7 @@ void reloadMdem(std::string path) {
 				delete question;
 			}
 
-			// Show errors.
+			// Parāda kļūdu.
 			hMdemScroll->removeItem(mdemSpacer);
 			errorView->label.setText(
 				QString::fromStdString(
@@ -680,7 +748,7 @@ void pickDirectory(QString directory) {
 
 	currentPath = directory;
 
-	// Update tree view.
+	// Atjauno failu sarakstu.
 	if (directory.length() <= 0) {
 		membaseLabel->setText(directory);
 		return;
@@ -688,7 +756,7 @@ void pickDirectory(QString directory) {
     mdemList->setRootIndex(model->setRootPath(directory));
 	std::smatch matches;
 	
-	// Update label.
+	// Atjauno teksta elementu.
 	membaseLabel->setText(QString::fromStdString(
 		std::format(
 			"Atmiņas bāze: {}",
@@ -794,17 +862,20 @@ void saveMdem() {
 	}
 }
 
+/*
+ * Inicializē visus atmiņas kartīšu saraksta elementus un izvēlni.
+ */
 QMainWindow *initMdemListWindow() {
     QMainWindow* window = new QMainWindow;
 	pagination = new Pagination; 
 	auto *toolbar = new Toolbar();
 
-	// Setup the related windows.
+	// Saistīti logi.
 	auto *settingsWindow = initSettings();
 	trainWindow = initTrainWindow();
 
 	QMainWindow *guideWindow = new QMainWindow;
-	{ // Guide window.
+	{ // Apmācības logs.
 		auto guideWidget = new QWidget;
 		auto *layout        = new QVBoxLayout;
 		auto *textBrowser   = new QTextBrowser;
@@ -818,13 +889,13 @@ QMainWindow *initMdemListWindow() {
 	QAction *actionOpen;
 	QAction *openSettings;
 	QAction *actionHelp;
-	{ // Menu bar.
+	{ // Izvēlne.
 		QMenuBar *menuBar = new QMenuBar;
 		QFileDialog *fileDialog = new QFileDialog;
 
 		QMenu *menu = new QMenu("Fails");
 		menu->setStyleSheet("font-size: 15px;");
-		actionOpen = menu->addAction("Atvērt atmņas bāzi (Ctrl+O)"); 
+		actionOpen = menu->addAction("Atvērt atmiņas bāzi (Ctrl+O)"); 
 		QObject::connect(
 			actionOpen,
 			&QAction::triggered,
@@ -862,7 +933,7 @@ QMainWindow *initMdemListWindow() {
 		window->setMenuBar(menuBar);
 	}
 
-	{ // Editor.
+	{ // Redaktors.
 		editorWindow = new QMainWindow;
 
 		editorWindow->setWindowTitle("Jautājumu redaktors");
@@ -905,26 +976,26 @@ QMainWindow *initMdemListWindow() {
 	}
 
 	auto *wTop = new QWidget();
-	{ // Top.
+	{ // Augša.
 	
-	  	// Main top layout.
+		// Pamata augšējais izklājums.
 		QHBoxLayout *hlTop = new QHBoxLayout();
 		wTop->setLayout(hlTop);
 
-		// Labels 
+		// Teksta elementi. 
-		auto *wLabels  = new QWidget();
+		auto *wLabels   = new QWidget();
 		auto *vlLeftTop = new QVBoxLayout();
 		wLabels->setLayout(vlLeftTop);
 		wLabels->setMinimumSize(0, 40);
 
+		// Atmiņas bāzes teksta elements.
 		QString labelStyle = "font-size: 20px; font-weight: 400;";
-		// Memorybase label.
+		membaseLabel = new QLabel();
-		membaseLabel   = new QLabel();
 		membaseLabel->setStyleSheet(labelStyle);
 		vlLeftTop->addWidget(membaseLabel);
 
-		// Memorybase label.
+		// Atmiņas kartīšu faila teksta elements.
-		mdemLabel     = new QLabel();
+		mdemLabel = new QLabel();
 		mdemLabel->setStyleSheet(labelStyle);
 		vlLeftTop->addWidget(mdemLabel);
 
@@ -932,9 +1003,9 @@ QMainWindow *initMdemListWindow() {
 		lastPracticeLabel->setStyleSheet(labelStyle);
 		vlLeftTop->addWidget(lastPracticeLabel);
 
-		// Button layout.
+		// Pogu izklājums.
-		auto buttons         = new QWidget();
+		auto buttons   = new QWidget();
-		auto vlButtons       = new QVBoxLayout();
+		auto vlButtons = new QVBoxLayout();
 		buttons->setLayout(vlButtons);
 		buttons->setStyleSheet("font-size: 15px;");
 
@@ -946,8 +1017,7 @@ QMainWindow *initMdemListWindow() {
 		auto hlButtonsBottom = new QHBoxLayout();
 		buttonsBottom->setLayout(hlButtonsBottom);
 
-		// Define buttons.
+		// Pogu definēšana.
-
 		QObject::connect(&toolbar->btnAdd, &QToolButton::clicked, []() {
 			editMdem = nullptr;
 			editorWindow->show();
@@ -976,7 +1046,7 @@ QMainWindow *initMdemListWindow() {
 			}
 		);
 
-		// Button content.
+		// Pogu saturs.
 		toolbar->btnAdd.setText("Pievienot");
 		toolbar->btnSave.setText("Saglabāt");
 		toolbar->btnLoad.setText("Ielādēt");
@@ -987,7 +1057,7 @@ QMainWindow *initMdemListWindow() {
 		toolbar->cbAlgorithm.addItem("Primārais", PRIMARY);
 		toolbar->btnPractice.setText("Mācīties");
 
-		// Add buttons.
+		// Pievieno pogas.
 		hlButtonsTop->addWidget(&toolbar->btnAdd);
 		hlButtonsTop->addWidget(&toolbar->btnSave);
 		hlButtonsTop->addWidget(&toolbar->btnLoad);
@@ -1008,8 +1078,8 @@ QMainWindow *initMdemListWindow() {
 		hlTop->addWidget(buttons);
 	}
 
-	QWidget     *leftWidget = new QWidget();
+	QWidget *leftWidget = new QWidget();
-	{ // Left side.
+	{ // Kreisā puse.
 
 		QVBoxLayout *leftLayout = new QVBoxLayout();
 		leftWidget->setLayout(leftLayout);
@@ -1032,7 +1102,6 @@ QMainWindow *initMdemListWindow() {
 		if (currentPath.size() > 0) {
 			pickDirectory(currentPath);
 		}
-		/*leftLayout->addWidget(leftTop);*/
 
 		QObject::connect(
 			mdemList,
@@ -1049,14 +1118,13 @@ QMainWindow *initMdemListWindow() {
 		for (int col = 1; col < model->columnCount(); ++col) {
 			mdemList->hideColumn(col);
 		}
-		// TODO: name -> nosaukums in HEADER
 		leftLayout->addWidget(mdemList);
 	}
 
 	auto wMain = new QWidget;
 	auto *rightWidget = new QWidget();
 	auto *rightLayout = new QVBoxLayout();
-	{ // Main layout.
+	{ // Pamata izklājums.
 		auto vlMain = new QVBoxLayout;
 		wMain->setLayout(vlMain);
 
@@ -1072,7 +1140,7 @@ QMainWindow *initMdemListWindow() {
 		vlMain->addWidget(hSplitter);
 	}
 
-	{ // Error.
+	{ // Kļūda.
 		errorView = new ErrorView;
 		errorView->box.setObjectName("error-box");
 		errorView->box.setLayout(&errorView->layout);
@@ -1089,7 +1157,7 @@ QMainWindow *initMdemListWindow() {
 		errorView->label.setWordWrap(true);
 	}
 
-	{ // Mdems
+	{ // Atmiņas kartītes. 
 		QScrollArea *mdemScroll    = new QScrollArea();
 		QWidget     *mdemContainer = new QWidget();
 		hMdemScroll                = new QVBoxLayout();
@@ -1104,10 +1172,9 @@ QMainWindow *initMdemListWindow() {
 			QSizePolicy::Minimum,
 			QSizePolicy::Expanding
 		);
-		/*hMdemScroll->addItem(mdemSpacer);*/
 	}
 
-	{ // Pagination 
+	{ // Lappušu pogas. 
 
 		auto wPagination = new QWidget();
 		auto hPagination = new QHBoxLayout();
@@ -1171,7 +1238,7 @@ QMainWindow *initMdemListWindow() {
 		rightLayout->addWidget(wPagination);
 	}
 
-	{ // Setup shortcuts.
+	{ // Uzstāda īsceļus.
 		auto addShortcut = [window](QString key, std::function<void()> func) {
 			QShortcut* shortcut = new QShortcut(QKeySequence(key), window);
 			QObject::connect(shortcut, &QShortcut::activated, [func]() {

src/qtapp/settings.cpp

@@ -63,19 +63,25 @@
 
 QSettings *settings;
 
+/*
+ * Inicializē uzstādījumu logu.
+ * */
 QWidget *initSettings () { 
-	QString configDir = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
+
+	// Uzstādījumu fails - paņem standarta atrašanās vietu operētājsistēmā.
+	auto configDir = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
 	QDir().mkpath(configDir);
 	QString settingsFile = configDir + "/mdem.ini";
 	settings = new QSettings(settingsFile, QSettings::IniFormat);
-	auto* settingsWindow = new QWidget;
 
+	// Logs.
+	auto* settingsWindow = new QWidget;
 	settingsWindow->setWindowTitle("Iestatījumi");
 
+	// Augšējais izklājums.
 	auto top = new QWidget;
 	auto hlTop = new QVBoxLayout;
 	top->setLayout(hlTop);
-
 	auto settingsLabel = new QLabel;
 	settingsLabel->setText("Iestatījumi");
 	settingsLabel->setStyleSheet(
@@ -83,62 +89,67 @@ QWidget *initSettings () {
 	);
 	hlTop->addWidget(settingsLabel);
 
+	// Forma.
 	auto wForm        = new QWidget;
 	auto formLayout   = new QFormLayout;
-	wForm->setLayout(formLayout);
 	auto mbaseInput   = new QLineEdit;
 	auto browseButton = new QPushButton("Izvēlēties");
 	auto pathLayout   = new QHBoxLayout;
+	wForm->setLayout(formLayout);
 	pathLayout->addWidget(mbaseInput);
 	pathLayout->addWidget(browseButton);
 	wForm->setStyleSheet("font-size: 15px;");
 
-	formLayout->addRow("Noklusējuma memorybase:", pathLayout);
+	// Lauki.
-	QObject::connect(browseButton, &QPushButton::clicked, [mbaseInput]() {
-		QString dir = QFileDialog::getExistingDirectory(
-			nullptr,
-			"Izvēlēties noklusēto direktoriju",
-			mbaseInput->text()
-		);
-		if (!dir.isEmpty()) {
-			mbaseInput->setText(dir);
-		}
-	});
-
 	auto perPage = new QSpinBox;
-	perPage->setRange(5, 50); 
-	formLayout->addRow("Mdems per page [5-50]:", perPage);
-
 	auto characterWrap = new QSpinBox;
-	characterWrap->setRange(30, 150); 
-	formLayout->addRow("Rindas pārnešanas platums jautājumu teksta ģenerēšanā [30-150]:", characterWrap);
-
 	auto* timezone = new QSpinBox;
-	timezone->setRange(-12, 12); 
-	formLayout->addRow("Laika zona (e.g. +2 as 2):", timezone);
-
 	auto* notRemembered = new QDoubleSpinBox;
-	notRemembered->setRange(0, 100); 
-	formLayout->addRow("Neatcerējos:", notRemembered);
-
 	auto* hard = new QDoubleSpinBox;
-	hard->setRange(0, 100); 
-	formLayout->addRow("Grūti:", hard);
-
 	auto* medium = new QDoubleSpinBox;
-	medium->setRange(0, 100); 
-	formLayout->addRow("Vidēji:", medium);
-
 	auto* easy = new QDoubleSpinBox;
-	easy->setRange(0, 100); 
-	formLayout->addRow("Viegli:", easy);
-
 	auto* debug = new QCheckBox;
-	formLayout->addRow("Atkļūdošana:", debug);
-
 	auto* showTimes = new QCheckBox;
-	formLayout->addRow("Rādīt laikus komandrindā:", showTimes);
+	{ // Uzstāda uzstādījumu laukus.
+		formLayout->addRow("Noklusējuma atmiņas bāze:", pathLayout);
+		QObject::connect(browseButton, &QPushButton::clicked, [mbaseInput]() {
+			QString dir = QFileDialog::getExistingDirectory(
+				nullptr,
+				"Izvēlēties noklusēto direktoriju",
+				mbaseInput->text()
+			);
+			if (!dir.isEmpty()) {
+				mbaseInput->setText(dir);
+			}
+		});
 
+		perPage->setRange(5, 50); 
+		formLayout->addRow("Mdems per page [5-50]:", perPage);
+
+		characterWrap->setRange(30, 150); 
+		formLayout->addRow("Rindas pārnešanas platums jautājumu teksta ģenerēšanā [30-150]:", characterWrap);
+
+		timezone->setRange(-12, 12); 
+		formLayout->addRow("Laika zona (e.g. +2 as 2):", timezone);
+
+		notRemembered->setRange(0, 100); 
+		formLayout->addRow("Neatcerējos:", notRemembered);
+
+		hard->setRange(0, 100); 
+		formLayout->addRow("Grūti:", hard);
+
+		medium->setRange(0, 100); 
+		formLayout->addRow("Vidēji:", medium);
+
+		easy->setRange(0, 100); 
+		formLayout->addRow("Viegli:", easy);
+
+		formLayout->addRow("Atkļūdošana:", debug);
+
+		formLayout->addRow("Rādīt laikus komandrindā:", showTimes);
+	}
+
+	// Uzstādījumu pogas.
 	auto wButtons        = new QWidget;
 	auto btnLayout       = new QHBoxLayout;
 	wButtons->setLayout(btnLayout);
@@ -149,7 +160,7 @@ QWidget *initSettings () {
 	btnLayout->addWidget(btnLoad);
 	wButtons->setStyleSheet("font-size: 15px;");
 
-	// @Improve: validate setting values
+	// Uzstāda lauku vērtības no uzstādījumu vērtībām.
 	auto setSettingInputs = [
 		perPage,
 		mbaseInput,
@@ -174,6 +185,7 @@ QWidget *initSettings () {
 		showTimes->setChecked(settings->value(SETTING_SHOW_TIMES).toBool() == true);
 	};
 
+	// Parāda izmaiņas indikatoru.
 	auto updateSettingsLabel = [settingsLabel](bool isChanged) {
 		if (isChanged) {
 			settingsLabel->setText("Iestatījumi *");
@@ -182,6 +194,7 @@ QWidget *initSettings () {
 		}
 	};
 
+	// Pievieno klausītāju atbilstoši izmantotam lauku tipam.
 	auto attachChangeListener = [settingsLabel, updateSettingsLabel](QObject *input, QString key) {
 		if (QLineEdit *lineInput = qobject_cast<QLineEdit*>(input)) {
 			QObject::connect(
@@ -224,6 +237,7 @@ QWidget *initSettings () {
 		}
 	};
 
+	// Izmaiņas laukos parāda indikatoros.
 	attachChangeListener(perPage,       SETTING_PER_PAGE);
 	attachChangeListener(mbaseInput,    SETTING_MEMORYBASE);
 	attachChangeListener(characterWrap, SETTING_CHARACTER_WRAP);
@@ -235,6 +249,7 @@ QWidget *initSettings () {
 	attachChangeListener(debug,         SETTING_DEBUG);
 	attachChangeListener(showTimes,     SETTING_SHOW_TIMES);
 
+	// Atjauno uzstādījumus no lauku vērtībām.
 	auto saveSettings = [
 		perPage,
 		mbaseInput,
@@ -260,7 +275,6 @@ QWidget *initSettings () {
 		settings->setValue(SETTING_SHOW_TIMES,     showTimes->isChecked());
 		updateSettingsLabel(false);
 	};
-
 	auto loadSettings = [setSettingInputs, updateSettingsLabel]() {
 		settings->sync();
 		setSettingInputs();
@@ -274,6 +288,17 @@ QWidget *initSettings () {
 			saveSettings();
 		}
 	);
+	auto shortcutSave = new QShortcut(
+		QKeySequence("Ctrl+S"),
+		settingsWindow
+	);
+	QObject::connect(
+		shortcutSave,
+		&QShortcut::activated,
+		[saveSettings]() {
+			saveSettings();
+		}
+	);
 	QObject::connect(
 		btnLoad,
 		&QPushButton::clicked,
@@ -283,11 +308,7 @@ QWidget *initSettings () {
 	);
 	loadSettings();
 
-	QShortcut* shortcutSave = new QShortcut(QKeySequence("Ctrl+S"), settingsWindow);
+	// Lai pogas ir lejā.
-	QObject::connect(shortcutSave, &QShortcut::activated, [saveSettings]() {
-		saveSettings();
-	});
-
 	auto spacer = new QSpacerItem(
 		50,
 		50,
@@ -295,6 +316,7 @@ QWidget *initSettings () {
 		QSizePolicy::Expanding
 	);
 
+	// Pievieno elementus.
 	mainLayout->addWidget(top);
 	mainLayout->addWidget(wForm);
 	mainLayout->addItem(spacer);

src/transpiler/api.cpp

@@ -16,11 +16,17 @@ bool showTimes = false;
 std::chrono::high_resolution_clock::time_point start;
 std::chrono::high_resolution_clock::time_point end;
 
-std::string wrapText(std::string text, size_t width) {
+/*
+ * Pārveido teksta rindu tā, lai teksts nepārsniegtu doto
+ * platumu. Pievieno nākamās rindās atstarpi ar platumu kurā sākas pirmās rindas
+ * teksts.
+ * */
+std::string wrapLine(std::string text, size_t width) {
 	std::string result;
     size_t currentLineLength = 0;
     size_t wordStart = 0;
 
+    // Nosaka, cik tālu no rindas sākuma atrodas teksts pirmā rindā.
     size_t preservedSpaceCount = 0;
     for (size_t i = 0; i < text.length(); ++i) {
 		if (text[i] == '\t') {
@@ -37,13 +43,15 @@ std::string wrapText(std::string text, size_t width) {
 
     for (size_t i = wordStart; i < text.length(); ++i) {
         if (text[i] == ' ' || i == text.length() - 1) {
-            size_t wordEnd = (i == text.length() - 1) ? i + 1 : i; // Handle the last word
+          // Ja vārds pārsniedz norādīto platumu, pievieno
-            size_t wordLength = wordEnd - wordStart;
+          // jaunās rindas simbolu un turpina no iepriekš noteiktā attāluma.
-            if (currentLineLength + wordLength > width) {
+          size_t wordEnd = (i == text.length() - 1) ? i + 1 : i;
-                result += '\n';
+          size_t wordLength = wordEnd - wordStart;
-                result.append(preservedSpaceCount / TABWIDTH, '\t');
+          if (currentLineLength + wordLength > width) {
-                result.append(preservedSpaceCount % TABWIDTH, ' ');
+            result += '\n';
-                currentLineLength = preservedSpaceCount;
+            result.append(preservedSpaceCount / TABWIDTH, '\t');
+            result.append(preservedSpaceCount % TABWIDTH, ' ');
+            currentLineLength = preservedSpaceCount;
             }
             result += text.substr(wordStart, wordLength) + ' ';
             currentLineLength += wordLength + 1;
@@ -53,6 +61,9 @@ std::string wrapText(std::string text, size_t width) {
     return result;
 }
 
+/*
+ * Tekstā katram rezervētam tekstvienību simbolam pievieno '\' pirms simbola.
+ */
 std::string escapeText(std::string text) {
 	std::stringstream ss;
 	for (auto c: text) {
@@ -89,6 +100,10 @@ std::string escapeText(std::string text) {
 	return ss.str();
 }
 
+/*
+ * Transpilē tekstu jautājumos un metadatos.
+ * Veic leksisko analīzi un parsēšanu.
+ * */
 Result<ParseInfo> transpile(std::string fileContent) {
 	start = std::chrono::high_resolution_clock::now();
 	end = std::chrono::high_resolution_clock::now();
@@ -125,7 +140,9 @@ Result<ParseInfo> transpile(std::string fileContent) {
 	return {questions};
 }
 
-
+/*
+ * Parāda nomērīta laika sekundes un milisekundes.
+ */
 std::string showTime(std::string label) {
 	auto duration = std::chrono::duration_cast<std::chrono::microseconds>(end - start);
 	double_t seconds = (double_t) duration.count() / 1000000;