Refactored sparse vector to use unique_ptr

QtClient/JoplinQtClient/models/folder.cpp

@@ -25,8 +25,8 @@ int Folder::noteCount() const {
 	return q.value(0).toInt();
 }
 
-QVector<Note> Folder::notes(const QString &orderBy, int limit, int offset) const {
-	QVector<Note> output;
+std::vector<std::unique_ptr<Note>> Folder::notes(const QString &orderBy, int limit, int offset) const {
+	std::vector<std::unique_ptr<Note>> output;
 
 	QSqlQuery q = jop::db().prepare(QString("SELECT %1 FROM %2 WHERE parent_id = :parent_id ORDER BY %3 LIMIT %4 OFFSET %5")
 	                        .arg(BaseModel::sqlTableFields(jop::NotesTable))
@@ -39,9 +39,9 @@ QVector<Note> Folder::notes(const QString &orderBy, int limit, int offset) const
 	if (!jop::db().errorCheck(q)) return output;
 
 	while (q.next()) {
-		Note note;
-		note.loadSqlQuery(q);
-		output.push_back(note);
+		std::unique_ptr<Note> note(new Note());
+		note->loadSqlQuery(q);
+		output.push_back(std::move(note));
 	}
 
 	return output;

QtClient/JoplinQtClient/models/folder.h

@@ -20,7 +20,7 @@ public:
 	bool primaryKeyIsUuid() const;
 	bool trackChanges() const;
 	int noteCount() const;
-	QVector<Note> notes(const QString& orderBy, int limit, int offset) const;
+	std::vector<std::unique_ptr<Note> > notes(const QString& orderBy, int limit, int offset) const;
 	int noteIndexById(const QString& orderBy, const QString &id) const;
 
 };

QtClient/JoplinQtClient/models/foldermodel.h

@@ -16,7 +16,6 @@ class FolderModel : public AbstractListModel {
 public:
 
 	FolderModel();
-
 	void addFolder(Folder* folder);
 	BaseModel* atIndex(int index) const;
 
@@ -35,16 +34,12 @@ private:
 	QString orderBy_;
 	mutable std::vector<std::unique_ptr<Folder>> cache_;
 
-	//QString lastInsertId_;
-
 public slots:
 
 	void addData(const QString& title);
 	void deleteData(const int index);
 	bool setTitle(int index, const QVariant &value, int role = Qt::EditRole);
-	//QString indexToId(int index) const;
 	int idToIndex(const QString& id) const;
-	//QString lastInsertId() const;
 
 	void dispatcher_folderCreated(const QString& folderId);
 	void dispatcher_folderUpdated(const QString& folderId);

QtClient/JoplinQtClient/models/notemodel.cpp

@@ -1,6 +1,6 @@
 #include "notemodel.h"
 
-jop::NoteModel::NoteModel() {
+jop::NoteModel::NoteModel() : QAbstractListModel() {
 	folderId_ = "";
 	orderBy_ = "title";
 }
@@ -11,25 +11,26 @@ int jop::NoteModel::rowCount(const QModelIndex &parent) const {
 }
 
 QVariant jop::NoteModel::data(const QModelIndex &index, int role) const {
-	Note note = atIndex(index.row());
+	Note* note = atIndex(index.row());
+
+	if (!note) return "";
 
 	if (role == IdRole) {
-		return QVariant(note.id().toString());
+		return QVariant(note->idString());
 	}
 
-	return QVariant(note.value("title").toString());
+	return QVariant(note->value("title").toString());
 }
 
-jop::Note jop::NoteModel::atIndex(int index) const {
-	if (folderId_ == "") return Note();
-	if (index < 0 || index >= rowCount()) return Note();
-
+jop::Note *jop::NoteModel::atIndex(int index) const {
+	if (folderId_ == "") return NULL;
+	if (index < 0 || index >= rowCount()) return NULL;
 	if (cache_.isset(index)) return cache_.get(index);
 
 	std::vector<int> indexes = cache_.availableBufferAround(index, 32);
 	if (!indexes.size()) {
-		qWarning() << "Couldn't acquire buffer"; // "Cannot happen"
-		return Note();
+		qCritical() << "Couldn't acquire buffer"; // "Cannot happen"
+		return NULL;
 	}
 
 	int from = indexes[0];
@@ -37,10 +38,10 @@ jop::Note jop::NoteModel::atIndex(int index) const {
 
 	Folder folder = this->folder();
 
-	QVector<Note> notes = folder.notes(orderBy_, to - from + 1, from);
+	std::vector<std::unique_ptr<Note>> notes = folder.notes(orderBy_, to - from + 1, from);
 	int noteIndex = from;
 	for (int i = 0; i < notes.size(); i++) {
-		cache_.set(noteIndex, notes[i]);
+		cache_.set(noteIndex, notes[i].release());
 		noteIndex++;
 	}
 
@@ -63,8 +64,8 @@ jop::Folder jop::NoteModel::folder() const {
 }
 
 QString jop::NoteModel::indexToId(int index) const {
-	Note note = atIndex(index);
-	return note.idString();
+	Note* note = atIndex(index);
+	return note->idString();
 }
 
 int jop::NoteModel::idToIndex(const QString &id) const {
@@ -79,3 +80,7 @@ QHash<int, QByteArray> jop::NoteModel::roleNames() const {
 	return roles;
 
 }
+
+//int jop::NoteModel::baseModelCount() const {
+
+//}

QtClient/JoplinQtClient/models/notemodel.h

@@ -5,6 +5,7 @@
 
 #include "models/folder.h"
 #include "sparsevector.hpp"
+#include "models/abstractlistmodel.h"
 
 namespace jop {
 
@@ -14,15 +15,16 @@ class NoteModel : public QAbstractListModel {
 
 public:
 
-	enum NoteRoles {
+	enum ModelRoles {
 		IdRole = Qt::UserRole + 1,
-		TitleRole
+		TitleRole,
+		RawRole
 	};
 
 	NoteModel();
 	int rowCount(const QModelIndex & parent = QModelIndex()) const;
 	QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const;
-	Note atIndex(int index) const;
+	Note* atIndex(int index) const;
 	void setFolderId(const QString& v);
 	Folder folder() const;
 
@@ -34,6 +36,7 @@ public slots:
 protected:
 
 	QHash<int, QByteArray> roleNames() const;
+	int baseModelCount() const;
 
 private:
 

QtClient/JoplinQtClient/sparsevector.hpp

@@ -2,6 +2,7 @@
 #define SPARSEARRAY_HPP
 
 #include <algorithm>
+#include <memory>
 #include <iostream>
 #include <map>
 #include <vector>
@@ -16,21 +17,22 @@ public:
 		count_ = -1;
 	}
 
-	ClassType get(int index) const {
-		if (index > count()) return ClassType();
-		if (!isset(index)) return ClassType();
+	ClassType* get(int index) const {
+		if (index > count()) return NULL;
+		if (!isset(index)) return NULL;
 
 		typename IndexMap::const_iterator pos = indexes_.find(index);
 		int valueIndex = pos->second.valueIndex;
 
-		typename std::map<int, ClassType>::const_iterator pos2 = values_.find(valueIndex);
-		return pos2->second;
+		typename std::map<int, std::unique_ptr<ClassType>>::const_iterator pos2 = values_.find(valueIndex);
+		return pos2->second.get();
 	}
 
-	void set(int index, ClassType value) {
+	void set(int index, ClassType* value) {
 		unset(index);
 		int valueIndex = ++counter_;
-		values_[valueIndex] = value;
+		std::unique_ptr<ClassType> ptr(value);
+		values_[valueIndex] = std::move(ptr);
 		IndexRecord r;
 		r.valueIndex = valueIndex;
 		r.time = 0; // Disabled / not needed
@@ -39,7 +41,7 @@ public:
 		count_ = -1;
 	}
 
-	void push(ClassType value) {
+	void push(const ClassType& value) {
 		set(count(), value);
 	}
 
@@ -63,10 +65,10 @@ public:
 		indexes_.erase(index);
 	}
 
-	void insert(int index, ClassType value) {
+	void insert(int index, const ClassType& value) {
 		IndexMap newIndexes;
 		for (typename IndexMap::const_iterator it = indexes_.begin(); it != indexes_.end(); ++it) {
-			ClassType key = it->first;
+			int key = it->first;
 			if (key > index) key++;
 			newIndexes[key] = it->second;
 		}
@@ -85,7 +87,7 @@ public:
 
 		IndexMap newIndexes;
 		for (typename IndexMap::const_iterator it = indexes_.begin(); it != indexes_.end(); ++it) {
-			ClassType key = it->first;
+			int key = it->first;
 			if (key == index) continue;
 			if (key > index) key--;
 			newIndexes[key] = it->second;
@@ -201,7 +203,7 @@ private:
 
 	int counter_;
 	IndexMap indexes_;
-	std::map<int, ClassType> values_;
+	std::map<int, std::unique_ptr<ClassType>> values_;
 
 	// This is used to cache the result of ::count().
 	// Don't forget to set it to -1 whenever the list