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/****************************************************************************
**
** Copyright (C) 1999-2001 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "Qt3DSCommonPrecompile.h"
#include "Qt3DSId.h"
#include "Qt3DSTime.h"
namespace Q3DStudio {
//====================================================================
/**
* Constructor .
* Initialize the GUID to Zero.
*/
CId::CId()
: m_Key(Q3DStudio::UUID_ZERO)
{
}
//====================================================================
/**
* Constructor. The local Key will get initialized to the Value represented by the string.
* @param inStringId is an ID in the form of a string.
*
*/
CId::CId(wchar_t *inStringId)
{
Q3DStudio::CString theString = inStringId;
FromString(theString);
}
//====================================================================
/**
* Constructor.
* @param inId is an ID to initialize from.
*/
CId::CId(const CId &inId)
{
m_Key.GuidPacked.Data1 = inId.m_Key.GuidPacked.Data1;
m_Key.GuidPacked.Data2 = inId.m_Key.GuidPacked.Data2;
m_Key.GuidPacked.Data3 = inId.m_Key.GuidPacked.Data3;
m_Key.GuidPacked.Data4 = inId.m_Key.GuidPacked.Data4;
}
CId::CId(const GUID &inGUID)
{
m_Key.GuidStd.Data1 = inGUID.Data1;
m_Key.GuidStd.Data2 = inGUID.Data2;
m_Key.GuidStd.Data3 = inGUID.Data3;
::memcpy(m_Key.GuidStd.Data4, inGUID.Data4, sizeof(inGUID.Data4));
}
CId::CId(long in1, long in2, long in3, long in4)
{
m_Key.GuidPacked.Data1 = in1;
m_Key.GuidPacked.Data2 = in2;
m_Key.GuidPacked.Data3 = in3;
m_Key.GuidPacked.Data4 = in4;
}
//====================================================================
/**
* Generate a new Key
*
*/
void CId::Generate()
{
// Generate unique UUID that works the same way on all platforms. We can't use QUuid as the
// generated UUID on non-Windows platforms many times fills the packed Data4 with 0,
// which is considered invalid by the rest of the application
static long s_LastMilliSecs = 0;
Q3DStudio::CTime theTime = Q3DStudio::CTime::Now( );
long theCurrentMilliSecs = theTime.GetMilliSecs( );
// Don't do this more than once in a 10ms period.
if ( s_LastMilliSecs != theCurrentMilliSecs )
{
s_LastMilliSecs = theCurrentMilliSecs;
::srand( (unsigned)( theCurrentMilliSecs ) );
}
// ::rand is 16 bits, GUID is 128 bits, smear random bits over the whole GUID
m_Key.GuidPacked.Data1 = ::rand();
m_Key.GuidPacked.Data1 <<= 16;
m_Key.GuidPacked.Data1 |= ::rand();
m_Key.GuidPacked.Data2 = ::rand();
m_Key.GuidPacked.Data2 <<= 16;
m_Key.GuidPacked.Data2 |= ::rand();
m_Key.GuidPacked.Data3 = ::rand();
m_Key.GuidPacked.Data3 <<= 16;
m_Key.GuidPacked.Data3 |= ::rand();
m_Key.GuidPacked.Data4 = ::rand();
m_Key.GuidPacked.Data4 <<= 16;
m_Key.GuidPacked.Data4 |= ::rand();
}
//====================================================================
/**
* Convert this CId to a GUID.
* @return a GUID struct.
*/
GUID CId::Convert() const
{
GUID theThis;
theThis.Data1 = m_Key.GuidStd.Data1;
theThis.Data2 = m_Key.GuidStd.Data2;
theThis.Data3 = m_Key.GuidStd.Data3;
::memcpy(theThis.Data4, m_Key.GuidStd.Data4, sizeof(m_Key.GuidStd.Data4));
return theThis;
}
//====================================================================
/**
* Compare two CIds.
* @param inRVal is the Right side CId.
* @return True if they were equal.
*/
bool CId::operator==(const CId &inRVal) const
{
bool theResult = ((m_Key.GuidPacked.Data1 == inRVal.m_Key.GuidPacked.Data1)
&& (m_Key.GuidPacked.Data2 == inRVal.m_Key.GuidPacked.Data2)
&& (m_Key.GuidPacked.Data3 == inRVal.m_Key.GuidPacked.Data3)
&& (m_Key.GuidPacked.Data4 == inRVal.m_Key.GuidPacked.Data4));
return theResult;
}
//====================================================================
/**
* Compare two CIds.
* @param inRVal is the Right side CId.
* @return True if they were equal.
*/
bool CId::operator==(const Q3DStudio::UUID &inRVal) const
{
bool theResult = ((m_Key.GuidPacked.Data1 == inRVal.GuidPacked.Data1)
&& (m_Key.GuidPacked.Data2 == inRVal.GuidPacked.Data2)
&& (m_Key.GuidPacked.Data3 == inRVal.GuidPacked.Data3)
&& (m_Key.GuidPacked.Data4 == inRVal.GuidPacked.Data4));
return theResult;
}
//====================================================================
/**
* Compare two CIds for not equal.
* @param inRVal is the Right side CId.
* @return True if they were equal.
*/
bool CId::operator!=(const CId &inRVal) const
{
return !(*this == inRVal);
}
//====================================================================
/**
* Compare if this CId is less than the Right Size CId.
* @param inRVal is the Right side CId.
* @return True if this CId is Less than.
*/
bool CId::operator<(const CId &inRVal) const
{
// const Q3DStudio::TGUIDPacked& theLVal = m_Key.GuidPacked;
// const Q3DStudio::TGUIDPacked& theRVal = inRVal.m_Key.GuidPacked;
// return !( theLVal.Data1 >= theRVal.Data1 &&
// theLVal.Data2 >= theRVal.Data2 &&
// theLVal.Data3 >= theRVal.Data3 &&
// theLVal.Data4 >= theRVal.Data4 );
bool theResult = false;
if (m_Key.GuidPacked.Data1 < inRVal.m_Key.GuidPacked.Data1) {
theResult = true;
}
// If it is equal then move on to the next element.
else if (m_Key.GuidPacked.Data1 == inRVal.m_Key.GuidPacked.Data1) {
if (m_Key.GuidPacked.Data2 < inRVal.m_Key.GuidPacked.Data2) {
theResult = true;
}
// If it is equal then move on to the next element.
else if (m_Key.GuidPacked.Data2 == inRVal.m_Key.GuidPacked.Data2) {
if (m_Key.GuidPacked.Data3 < inRVal.m_Key.GuidPacked.Data3) {
theResult = true;
} else if (m_Key.GuidPacked.Data3 == inRVal.m_Key.GuidPacked.Data3) {
if (m_Key.GuidPacked.Data4 < inRVal.m_Key.GuidPacked.Data4) {
theResult = true;
}
}
}
}
return theResult;
}
//====================================================================
/**
* Set this Cid equal to the Right Side CId.
* @param inRVal is the Right side CId.
* @return this CId.
*/
CId &CId::operator=(const CId &inRVal)
{
m_Key.GuidPacked.Data1 = inRVal.m_Key.GuidPacked.Data1;
m_Key.GuidPacked.Data2 = inRVal.m_Key.GuidPacked.Data2;
m_Key.GuidPacked.Data3 = inRVal.m_Key.GuidPacked.Data3;
m_Key.GuidPacked.Data4 = inRVal.m_Key.GuidPacked.Data4;
return *this;
}
//====================================================================
/**
* Convert this CId into a String.
* @return The String version of this CId.
*/
Q3DStudio::CString CId::ToString() const
{
Q3DStudio::CString theGuidStr;
theGuidStr.Format(_LSTR("{%08X-%04hX-%04hX-%02X%02X-%02X%02X%02X%02X%02X%02X}"),
m_Key.GuidStd.Data1, m_Key.GuidStd.Data2, m_Key.GuidStd.Data3,
m_Key.GuidStd.Data4[0], (unsigned long)m_Key.GuidStd.Data4[1],
(unsigned long)m_Key.GuidStd.Data4[2], (unsigned long)m_Key.GuidStd.Data4[3],
(unsigned long)m_Key.GuidStd.Data4[4], (unsigned long)m_Key.GuidStd.Data4[5],
(unsigned long)m_Key.GuidStd.Data4[6], (unsigned long)m_Key.GuidStd.Data4[7]);
return theGuidStr;
}
//====================================================================
/**
* Convert this CId into the Incomming String.
* @param inStringId is a CId represented as a String.
* @return This CId.
*/
CId &CId::FromString(const Q3DStudio::CString &inStringId)
{
unsigned long theData[8];
const wchar_t *theBuffer = (const wchar_t *)inStringId;
// All of the %02X formats get scaned into a 32bit long so we have to convert down below....
long theFields = ::swscanf(theBuffer, L"{%08x-%04hx-%04hx-%02x%02x-%02x%02x%02x%02x%02x%02x}",
&m_Key.GuidStd.Data1, &m_Key.GuidStd.Data2, &m_Key.GuidStd.Data3,
&theData[0], &theData[1], &theData[2], &theData[3], &theData[4],
&theData[5], &theData[6], &theData[7]);
if (theFields == 11) // magic number
{
// This is where we convert the 32 values into unsigned chars.
for (long theIndex = 0; theIndex < 8; ++theIndex) {
m_Key.GuidStd.Data4[theIndex] = static_cast<unsigned char>(theData[theIndex]);
}
} else {
// If we didn't read in all the fields, zero out the key
m_Key = Q3DStudio::UUID_ZERO;
}
return *this;
}
bool CId::IsZero() const
{
return (*this == Q3DStudio::UUID_ZERO);
}
CId::operator GUID() const
{
return Convert();
}
};
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