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/*
* libgato - A GATT/ATT library for use with Bluez
*
* Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
* Copyright (C) 2013 Javier S. Pedro <maemo@javispedro.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <QtCore/QDataStream>
#include <QtCore/QHash>
#include <QtCore/QDebug>
#include "gatouuid.h"
// Bluetooth style UUIDs are like
// {XXXXXXXX-0000-1000-8000-00805F9B34FB}
static const quint16 baseuuid_data2 = 0x0000;
static const quint16 baseuuid_data3 = 0x1000;
static const quint8 baseuuid_data4[8] = {0x80, 0x00,
0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB};
// Used in QUuid constructor, because it wants bytes as args instead of byte array
#define BASEUUID_DATA4_VALUES baseuuid_data4[0], baseuuid_data4[1], baseuuid_data4[2], baseuuid_data4[3], \
baseuuid_data4[4], baseuuid_data4[5], baseuuid_data4[6], baseuuid_data4[7]
GatoUUID::GatoUUID()
{
}
GatoUUID::GatoUUID(GattUuid uuid)
: QUuid(uuid, baseuuid_data2, baseuuid_data3, BASEUUID_DATA4_VALUES)
{
}
GatoUUID::GatoUUID(quint16 uuid)
: QUuid(uuid, baseuuid_data2, baseuuid_data3, BASEUUID_DATA4_VALUES)
{
}
GatoUUID::GatoUUID(quint32 uuid)
: QUuid(uuid, baseuuid_data2, baseuuid_data3, BASEUUID_DATA4_VALUES)
{
}
GatoUUID::GatoUUID(const QString &uuid)
: QUuid(uuid)
{
}
GatoUUID::GatoUUID(const GatoUUID &o)
: QUuid(o)
{
}
GatoUUID::GatoUUID(const QUuid &uuid)
: QUuid(uuid)
{
}
GatoUUID::~GatoUUID()
{
}
int GatoUUID::minimumSize() const
{
if (isNull()) {
return 0;
}
if (data2 == baseuuid_data2 && data3 == baseuuid_data3 &&
memcmp(data4, baseuuid_data4, sizeof(baseuuid_data4)) == 0) {
if (data1 & 0xFFFF0000) {
return 4;
} else {
return 2;
}
}
return 16;
}
quint16 GatoUUID::toUInt16(bool *ok) const
{
if (minimumSize() <= 2) {
if (ok) *ok = true;
return data1;
} else {
if (ok) *ok = false;
return 0;
}
}
quint32 GatoUUID::toUInt32(bool *ok) const
{
if (minimumSize() <= 4) {
if (ok) *ok = true;
return data1;
} else {
if (ok) *ok = false;
return 0;
}
}
QDebug operator<<(QDebug debug, const GatoUUID &uuid)
{
quint16 uuid16;
quint32 uuid32;
bool ok = false;
uuid16 = uuid.toUInt16(&ok);
if (ok) {
debug.nospace() << "0x" << hex << uuid16 << dec;
return debug.space();
}
uuid32 = uuid.toUInt32(&ok);
if (ok) {
debug.nospace() << "0x" << hex << uuid32 << dec;
return debug.space();
}
debug.nospace() << uuid.toString().toLatin1().constData();
return debug.space();
}
uint qHash(const GatoUUID &uuid, uint seed)
{
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
return uuid.data1 ^ uuid.data2 ^ (uuid.data3 << 16)
^ ((uuid.data4[0] << 24) | (uuid.data4[1] << 16) | (uuid.data4[2] << 8) | uuid.data4[3])
^ ((uuid.data4[4] << 24) | (uuid.data4[5] << 16) | (uuid.data4[6] << 8) | uuid.data4[7])
^ seed;
#else
return qHash<QUuid>(uuid, seed);
#endif
}
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