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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QUUID_H
#define QUUID_H
#include <QtCore/qstring.h>
#if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC)
#ifndef GUID_DEFINED
#define GUID_DEFINED
typedef struct _GUID
{
ulong Data1;
ushort Data2;
ushort Data3;
uchar Data4[8];
} GUID, *REFGUID, *LPGUID;
#endif
#endif
#if defined(Q_OS_DARWIN) || defined(Q_CLANG_QDOC)
Q_FORWARD_DECLARE_CF_TYPE(CFUUID);
Q_FORWARD_DECLARE_OBJC_CLASS(NSUUID);
#endif
QT_BEGIN_NAMESPACE
class Q_CORE_EXPORT QUuid
{
QUuid(Qt::Initialization) {}
public:
enum Variant {
VarUnknown =-1,
NCS = 0, // 0 - -
DCE = 2, // 1 0 -
Microsoft = 6, // 1 1 0
Reserved = 7 // 1 1 1
};
enum Version {
VerUnknown =-1,
Time = 1, // 0 0 0 1
EmbeddedPOSIX = 2, // 0 0 1 0
Md5 = 3, // 0 0 1 1
Name = Md5,
Random = 4, // 0 1 0 0
Sha1 = 5 // 0 1 0 1
};
enum StringFormat {
WithBraces = 0,
WithoutBraces = 1,
Id128 = 3
};
#if defined(Q_COMPILER_UNIFORM_INIT) && !defined(Q_CLANG_QDOC)
Q_DECL_CONSTEXPR QUuid() noexcept : data1(0), data2(0), data3(0), data4{0,0,0,0,0,0,0,0} {}
Q_DECL_CONSTEXPR QUuid(uint l, ushort w1, ushort w2, uchar b1, uchar b2, uchar b3,
uchar b4, uchar b5, uchar b6, uchar b7, uchar b8) noexcept
: data1(l), data2(w1), data3(w2), data4{b1, b2, b3, b4, b5, b6, b7, b8} {}
#else
QUuid() noexcept
{
data1 = 0;
data2 = 0;
data3 = 0;
for(int i = 0; i < 8; i++)
data4[i] = 0;
}
QUuid(uint l, ushort w1, ushort w2, uchar b1, uchar b2, uchar b3, uchar b4, uchar b5, uchar b6, uchar b7, uchar b8) noexcept
{
data1 = l;
data2 = w1;
data3 = w2;
data4[0] = b1;
data4[1] = b2;
data4[2] = b3;
data4[3] = b4;
data4[4] = b5;
data4[5] = b6;
data4[6] = b7;
data4[7] = b8;
}
#endif
QUuid(const QString &);
static QUuid fromString(QStringView string) noexcept;
static QUuid fromString(QLatin1String string) noexcept;
QUuid(const char *);
QString toString() const;
QString toString(StringFormat mode) const; // ### Qt6: merge with previous
QUuid(const QByteArray &);
QByteArray toByteArray() const;
QByteArray toByteArray(StringFormat mode) const; // ### Qt6: merge with previous
QByteArray toRfc4122() const;
static QUuid fromRfc4122(const QByteArray &);
bool isNull() const noexcept;
Q_DECL_RELAXED_CONSTEXPR bool operator==(const QUuid &orig) const noexcept
{
if (data1 != orig.data1 || data2 != orig.data2 ||
data3 != orig.data3)
return false;
for (uint i = 0; i < 8; i++)
if (data4[i] != orig.data4[i])
return false;
return true;
}
Q_DECL_RELAXED_CONSTEXPR bool operator!=(const QUuid &orig) const noexcept
{
return !(*this == orig);
}
bool operator<(const QUuid &other) const noexcept;
bool operator>(const QUuid &other) const noexcept;
#if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC)
// On Windows we have a type GUID that is used by the platform API, so we
// provide convenience operators to cast from and to this type.
#if defined(Q_COMPILER_UNIFORM_INIT) && !defined(Q_CLANG_QDOC)
Q_DECL_CONSTEXPR QUuid(const GUID &guid) noexcept
: data1(guid.Data1), data2(guid.Data2), data3(guid.Data3),
data4{guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3],
guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]} {}
#else
QUuid(const GUID &guid) noexcept
{
data1 = guid.Data1;
data2 = guid.Data2;
data3 = guid.Data3;
for(int i = 0; i < 8; i++)
data4[i] = guid.Data4[i];
}
#endif
Q_DECL_RELAXED_CONSTEXPR QUuid &operator=(const GUID &guid) noexcept
{
*this = QUuid(guid);
return *this;
}
Q_DECL_RELAXED_CONSTEXPR operator GUID() const noexcept
{
GUID guid = { data1, data2, data3, { data4[0], data4[1], data4[2], data4[3], data4[4], data4[5], data4[6], data4[7] } };
return guid;
}
Q_DECL_RELAXED_CONSTEXPR bool operator==(const GUID &guid) const noexcept
{
return *this == QUuid(guid);
}
Q_DECL_RELAXED_CONSTEXPR bool operator!=(const GUID &guid) const noexcept
{
return !(*this == guid);
}
#endif
static QUuid createUuid();
#ifndef QT_BOOTSTRAPPED
static QUuid createUuidV3(const QUuid &ns, const QByteArray &baseData);
#endif
static QUuid createUuidV5(const QUuid &ns, const QByteArray &baseData);
#ifndef QT_BOOTSTRAPPED
static inline QUuid createUuidV3(const QUuid &ns, const QString &baseData)
{
return QUuid::createUuidV3(ns, baseData.toUtf8());
}
#endif
static inline QUuid createUuidV5(const QUuid &ns, const QString &baseData)
{
return QUuid::createUuidV5(ns, baseData.toUtf8());
}
QUuid::Variant variant() const noexcept;
QUuid::Version version() const noexcept;
#if defined(Q_OS_DARWIN) || defined(Q_CLANG_QDOC)
static QUuid fromCFUUID(CFUUIDRef uuid);
CFUUIDRef toCFUUID() const Q_DECL_CF_RETURNS_RETAINED;
static QUuid fromNSUUID(const NSUUID *uuid);
NSUUID *toNSUUID() const Q_DECL_NS_RETURNS_AUTORELEASED;
#endif
uint data1;
ushort data2;
ushort data3;
uchar data4[8];
};
Q_DECLARE_TYPEINFO(QUuid, Q_PRIMITIVE_TYPE);
#ifndef QT_NO_DATASTREAM
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QUuid &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QUuid &);
#endif
#ifndef QT_NO_DEBUG_STREAM
Q_CORE_EXPORT QDebug operator<<(QDebug, const QUuid &);
#endif
Q_CORE_EXPORT uint qHash(const QUuid &uuid, uint seed = 0) noexcept;
inline bool operator<=(const QUuid &lhs, const QUuid &rhs) noexcept
{ return !(rhs < lhs); }
inline bool operator>=(const QUuid &lhs, const QUuid &rhs) noexcept
{ return !(lhs < rhs); }
QT_END_NAMESPACE
#endif // QUUID_H
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