/*!
\fn QVersionNumber QVersionNumber::fromString(const QString &string,
int *suffixIndex)
Constructs a QVersionNumber from a specially formatted \a string of
non-negative decimal numbers delimited by '.'.
Once the numerical segments have been parsed, the remainder of the string
is considered to be the suffix string. The start index of that string will be
stored in \a suffixIndex if it is not null.
\snippet qversionnumber/main.cpp 3
\sa isNull()
*/
QVersionNumber QVersionNumber::fromString(const QString &string, int *suffixIndex)
{
QVector<int> seg;
const QByteArray cString(string.toLatin1());
const char *start = cString.constData();
const char *end = start;
const char *lastGoodEnd = start;
const char *endOfString = cString.constData() + cString.size();
do {
bool ok = false;
const qulonglong value = qstrtoull(start, &end, 10, &ok);
if (!ok || value > qulonglong(std::numeric_limits<int>::max()))
break;
seg.append(int(value));
start = end + 1;
lastGoodEnd = end;
} while (start < endOfString && (end < endOfString && *end == '.'));
if (suffixIndex)
*suffixIndex = int(lastGoodEnd - cString.constData());
return QVersionNumber(qMove(seg));
}
QSgsLuaPackage::QSgsLuaPackage(const QString &name, QSgsEnum::PackageType type, const QString &version)
: QSgsPackage(name, type)
{
setObjectName(name);
QStringList v = version.split(QStringLiteral("."));
m_ver = QVersionNumber(v[0].toInt(),v[1].toInt(),v[2].toInt());
}
QT_BEGIN_NAMESPACE
GpuDescription GpuDescription::detect()
{
#ifndef Q_OS_WINCE
typedef IDirect3D9 * (WINAPI *PtrDirect3DCreate9)(UINT);
GpuDescription result;
QSystemLibrary d3d9lib(QStringLiteral("d3d9"));
if (!d3d9lib.load())
return result;
PtrDirect3DCreate9 direct3DCreate9 = (PtrDirect3DCreate9)d3d9lib.resolve("Direct3DCreate9");
if (!direct3DCreate9)
return result;
IDirect3D9 *direct3D9 = direct3DCreate9(D3D_SDK_VERSION);
if (!direct3D9)
return result;
D3DADAPTER_IDENTIFIER9 adapterIdentifier;
const HRESULT hr = direct3D9->GetAdapterIdentifier(0, 0, &adapterIdentifier);
direct3D9->Release();
if (SUCCEEDED(hr)) {
result.vendorId = int(adapterIdentifier.VendorId);
result.deviceId = int(adapterIdentifier.DeviceId);
result.revision = int(adapterIdentifier.Revision);
result.subSysId = int(adapterIdentifier.SubSysId);
QVector<int> version(4, 0);
version[0] = HIWORD(adapterIdentifier.DriverVersion.HighPart); // Product
version[1] = LOWORD(adapterIdentifier.DriverVersion.HighPart); // Version
version[2] = HIWORD(adapterIdentifier.DriverVersion.LowPart); // Sub version
version[3] = LOWORD(adapterIdentifier.DriverVersion.LowPart); // build
result.driverVersion = QVersionNumber(version);
result.driverName = adapterIdentifier.Driver;
result.description = adapterIdentifier.Description;
}
return result;
#else // !Q_OS_WINCE
GpuDescription result;
result.vendorId = result.deviceId = result.revision =1;
result.driverVersion = QVersionNumber(1, 1, 1);
result.driverName = result.description = QByteArrayLiteral("Generic");
return result;
#endif
}
/*!
QVersionNumber QVersionNumber::commonPrefix(const QVersionNumber &v1,
const QVersionNumber &v2)
Returns a version number that is a parent version of both \a v1 and \a v2.
\sa isPrefixOf()
*/
QVersionNumber QVersionNumber::commonPrefix(const QVersionNumber &v1,
const QVersionNumber &v2)
{
int commonlen = qMin(v1.segmentCount(), v2.segmentCount());
int i;
for (i = 0; i < commonlen; ++i) {
if (v1.segmentAt(i) != v2.segmentAt(i))
break;
}
if (i == 0)
return QVersionNumber();
// try to use the one with inline segments, if there's one
QVersionNumber result(!v1.m_segments.isUsingPointer() ? v1 : v2);
result.m_segments.resize(i);
return result;
}
