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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://www.qt.io/licensing. For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef SQLITESTATEMENT_H
+#define SQLITESTATEMENT_H
+
+#include <type_traits>
+#include <memory>
+
+#include <QString>
+#include <QVariant>
+#include <QVector>
+
+#include "sqliteglobal.h"
+
+struct sqlite3_stmt;
+struct sqlite3;
+
+#include "sqliteexception.h"
+#include "utf8stringvector.h"
+
+
+
+class SQLITE_EXPORT SqliteStatement
+{
+protected:
+ explicit SqliteStatement(const Utf8String &sqlStatementUtf8);
+
+ static void deleteCompiledStatement(sqlite3_stmt *compiledStatement);
+
+ bool next() const;
+ void step() const;
+ void reset() const;
+
+ template<typename Type>
+ Type value(int column) const;
+ int columnCount() const;
+ Utf8StringVector columnNames() const;
+
+ void bind(int index, int value);
+ void bind(int index, qint64 value);
+ void bind(int index, double value);
+ void bind(int index, const QString &text);
+ void bind(int index, const QByteArray &blob);
+ void bind(int index, const QVariant &value);
+
+ template <typename Type>
+ void bind(const Utf8String &name, const Type &value);
+
+ int bindingIndexForName(const Utf8String &name);
+
+ void bind(const RowDictionary &rowDictionary);
+ void bindUnchecked(const RowDictionary &rowDictionary);
+
+ void setBindingColumnNames(const Utf8StringVector &bindingColumnNames);
+ const Utf8StringVector &bindingColumnNames() const;
+
+ template <typename ContainerType>
+ ContainerType values(const QVector<int> &columns, int size = 0) const;
+
+ template <typename ContainerType>
+ ContainerType values(int column = 0) const;
+
+ QMap<QString, QVariant> rowColumnValueMap() const;
+ QMap<QString, QVariant> twoColumnValueMap() const;
+
+ static void execute(const Utf8String &sqlStatementUtf8);
+
+ template <typename Type>
+ static Type toValue(const Utf8String &sqlStatementUtf8);
+
+ void prepare(const Utf8String &sqlStatementUtf8);
+ void waitForUnlockNotify() const;
+
+ void write(const RowDictionary &rowDictionary);
+ void writeUnchecked(const RowDictionary &rowDictionary);
+
+ static sqlite3 *sqliteDatabaseHandle();
+ static TextEncoding databaseTextEncoding();
+
+
+ bool checkForStepError(int resultCode) const;
+ void checkForPrepareError(int resultCode) const;
+ void setIfIsReadyToFetchValues(int resultCode) const;
+ void checkIfIsReadyToFetchValues() const;
+ void checkColumnsAreValid(const QVector<int> &columns) const;
+ void checkColumnIsValid(int column) const;
+ void checkBindingIndex(int index) const;
+ void checkBindingName(int index) const;
+ void checkParameterCanBeBound(const RowDictionary &rowDictionary, const Utf8String &columnName);
+ void setBindingParameterCount();
+ void setBindingColumnNamesFromStatement();
+ void setColumnCount();
+ void checkBindingValueMapIsEmpty(const RowDictionary &rowDictionary) const;
+ bool isReadOnlyStatement() const;
+ Q_NORETURN static void throwException(const char *whatHasHappened);
+
+ template <typename ContainerType>
+ ContainerType columnValues(const QVector<int> &columnIndices) const;
+
+ QString columnName(int column) const;
+
+private:
+ std::unique_ptr<sqlite3_stmt, void (*)(sqlite3_stmt*)> compiledStatement;
+ Utf8StringVector bindingColumnNames_;
+ int bindingParameterCount;
+ int columnCount_;
+ mutable bool isReadyToFetchValues;
+};
+
+#endif // SQLITESTATEMENT_H