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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 QBS_FILETIME_H
#define QBS_FILETIME_H
#include "persistence.h"
#include <QtCore/qdatastream.h>
#include <QtCore/qdebug.h>
#if defined(Q_OS_UNIX) && !defined(__APPLE__)
#include <time.h>
#define HAS_CLOCK_GETTIME (_POSIX_C_SOURCE >= 199309L)
#endif // Q_OS_UNIX
#ifdef __APPLE__
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200
// macOS 10.12+ ships clock_gettime.
#else
// We implement our own clock_gettime.
#define APPLE_CUSTOM_CLOCK_GETTIME 1
#endif // __MAC_OS_X_VERSION_MIN_REQUIRED
// Either way we have a clock_gettime in the end.
#define HAS_CLOCK_GETTIME 1
// Apple stat struct has slightly different names for time fields.
#define APPLE_STAT_TIMESPEC 1
#endif // __APPLE__
namespace qbs {
namespace Internal {
class QBS_AUTOTEST_EXPORT FileTime
{
public:
#if defined(Q_OS_UNIX)
#if HAS_CLOCK_GETTIME
using InternalType = timespec;
#else
using InternalType = time_t;
#endif // HAS_CLOCK_GETTIME
#elif defined(Q_OS_WIN)
using InternalType = quint64;
#else
# error unknown platform
#endif
FileTime();
FileTime(const InternalType &ft);
bool operator<(const FileTime &rhs) const { return compare(rhs) < 0; }
bool operator>(const FileTime &rhs) const { return compare(rhs) > 0; }
bool operator<=(const FileTime &rhs) const { return !operator>(rhs); }
bool operator>=(const FileTime &rhs) const { return !operator<(rhs); }
bool operator==(const FileTime &rhs) const { return compare(rhs) == 0; }
bool operator!= (const FileTime &rhs) const { return !operator==(rhs); }
int compare(const FileTime &other) const;
void clear();
bool isValid() const;
QString toString() const;
static FileTime currentTime();
static FileTime oldestTime();
double asDouble() const;
template<PersistentPool::OpType opType> void completeSerializationOp(PersistentPool &pool)
{
#if HAS_CLOCK_GETTIME
pool.serializationOp<opType>(m_fileTime.tv_sec, m_fileTime.tv_nsec);
#else
pool.serializationOp<opType>(m_fileTime);
#endif
}
private:
InternalType m_fileTime{};
};
} // namespace Internal
} // namespace qbs
QT_BEGIN_NAMESPACE
inline QDebug operator<<(QDebug dbg, const qbs::Internal::FileTime &t)
{
dbg.nospace() << t.toString();
return dbg.space();
}
QT_END_NAMESPACE
#endif // QBS_FILETIME_H
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