forked from qt-creator/qt-creator
393c65e34e
Change-Id: Ie5bdbae67f7d0f9e533ad20ddb66d03057df2028 Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2020 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#pragma once
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#include "sqliteglobal.h"
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#include <utils/span.h>
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#include <QByteArray>
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#include <algorithm>
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#include <cstring>
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#include <vector>
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namespace Sqlite {
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class BlobView
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{
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public:
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BlobView() = default;
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BlobView(const std::byte *data, std::size_t size)
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: m_data(data)
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, m_size(size)
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{}
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BlobView(const QByteArray &byteArray)
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: m_data(reinterpret_cast<const std::byte *>(byteArray.constData()))
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, m_size(static_cast<std::size_t>(byteArray.size()))
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{}
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BlobView(const std::vector<std::byte> &bytes)
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: m_data(bytes.data())
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, m_size(static_cast<std::size_t>(bytes.size()))
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{}
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const std::byte *data() const { return m_data; }
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const char *cdata() const { return reinterpret_cast<const char *>(m_data); }
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std::size_t size() const { return m_size; }
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int sisize() const { return static_cast<int>(m_size); }
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long long ssize() const { return static_cast<long long>(m_size); }
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bool empty() const { return !m_size; }
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friend bool operator==(Sqlite::BlobView first, Sqlite::BlobView second)
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{
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return first.size() == second.size()
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&& std::memcmp(first.data(), second.data(), first.size()) == 0;
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}
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private:
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const std::byte *m_data{};
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std::size_t m_size{};
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};
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class Blob
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{
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public:
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Blob(BlobView blobView)
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{
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bytes.reserve(blobView.size());
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std::copy_n(blobView.data(), blobView.size(), std::back_inserter(bytes));
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}
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std::vector<std::byte> bytes;
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};
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class ByteArrayBlob
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{
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public:
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ByteArrayBlob(BlobView blobView)
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: byteArray{blobView.cdata(), blobView.sisize()}
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{}
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QByteArray byteArray;
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};
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} // namespace Sqlite
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