File indexing completed on 2024-05-12 05:26:08

0001 /*
0002     Copyright (c) 2018 Christian Mollekopf <mollekopf@kolabsys.com>
0003 
0004     This library is free software; you can redistribute it and/or modify it
0005     under the terms of the GNU Library General Public License as published by
0006     the Free Software Foundation; either version 2 of the License, or (at your
0007     option) any later version.
0008 
0009     This library is distributed in the hope that it will be useful, but WITHOUT
0010     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0011     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
0012     License for more details.
0013 
0014     You should have received a copy of the GNU Library General Public License
0015     along with this library; see the file COPYING.LIB.  If not, write to the
0016     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
0017     02110-1301, USA.
0018 */
0019 #pragma once
0020 
0021 #include "sink_export.h"
0022 #include <QByteArray>
0023 
0024 #include <cmath>
0025 
0026 namespace Sink {
0027 
0028 QByteArray SINK_EXPORT createUuid();
0029 
0030 // No copy is done on this functions. Therefore, the caller must not use the
0031 // returned QByteArray after the size_t has been destroyed.
0032 const QByteArray SINK_EXPORT sizeTToByteArray(const size_t &);
0033 size_t SINK_EXPORT byteArrayToSizeT(const QByteArray &);
0034 
0035 template <typename T>
0036 static QByteArray padNumber(T number);
0037 
0038 #ifndef WIN32
0039 template <>
0040 QByteArray padNumber<size_t>(size_t number)
0041 {
0042     return padNumber<qint64>(number);
0043 }
0044 #endif
0045 
0046 template <typename T>
0047 static QByteArray padNumber(T number)
0048 {
0049     static T uint_num_digits = (T)std::log10(std::numeric_limits<T>::max()) + 1;
0050     return QByteArray::number(number).rightJustified(uint_num_digits, '0');
0051 }
0052 
0053 } // namespace Sink