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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "sqliteglobal.h"
#include <utils/span.h>
#include <QByteArray>
#include <algorithm>
#include <cstring>
#include <vector>
namespace Sqlite {
class BlobView
{
public:
BlobView() = default;
BlobView(const std::byte *data, std::size_t size)
: m_data(data)
, m_size(size)
{}
BlobView(const QByteArray &byteArray)
: m_data(reinterpret_cast<const std::byte *>(byteArray.constData()))
, m_size(static_cast<std::size_t>(byteArray.size()))
{}
BlobView(const std::vector<std::byte> &bytes)
: m_data(bytes.data())
, m_size(static_cast<std::size_t>(bytes.size()))
{}
BlobView(Utils::span<const std::byte> bytes)
: m_data(bytes.data())
, m_size(static_cast<std::size_t>(bytes.size()))
{}
const std::byte *data() const { return m_data; }
const char *cdata() const { return reinterpret_cast<const char *>(m_data); }
std::size_t size() const { return m_size; }
int sisize() const { return static_cast<int>(m_size); }
long long ssize() const { return static_cast<long long>(m_size); }
bool empty() const { return !m_size; }
friend bool operator==(Sqlite::BlobView first, Sqlite::BlobView second)
{
return first.size() == second.size()
&& std::memcmp(first.data(), second.data(), first.size()) == 0;
}
private:
const std::byte *m_data{};
std::size_t m_size{};
};
class Blob
{
public:
Blob(BlobView blobView)
{
bytes.reserve(blobView.size());
std::copy_n(blobView.data(), blobView.size(), std::back_inserter(bytes));
}
std::vector<std::byte> bytes;
friend bool operator==(const Sqlite::Blob &first, const Sqlite::Blob &second)
{
return BlobView{first.bytes} == BlobView{second.bytes};
}
friend bool operator==(const Sqlite::Blob &first, Sqlite::BlobView second)
{
return BlobView{first.bytes} == second;
}
friend bool operator==(Sqlite::BlobView first, const Sqlite::Blob &second)
{
return second == first;
}
};
class ByteArrayBlob
{
public:
ByteArrayBlob(BlobView blobView)
: byteArray{blobView.cdata(), blobView.sisize()}
{}
QByteArray byteArray;
};
} // namespace Sqlite
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