//============================================================================
// NCFNumber::SetObject : Set the object.
//----------------------------------------------------------------------------
bool NCFNumber::SetObject(CFNumberRef cfObject, bool takeOwnership)
{ NCFObject theObject(cfObject, takeOwnership);
float64_t valueFloat64;
float32_t valueFloat32;
int64_t valueInt64;
bool isValid;
// Get the state we need
isValid = (cfObject != NULL);
SetInt8(0);
// Set the object
if (isValid)
{
if (CFNumberGetValue( cfObject, kCFNumberLongLongType, &valueInt64))
SetInt64(valueInt64);
else if (CFNumberGetValue(cfObject, kCFNumberFloatType, &valueFloat32))
SetFloat32(valueFloat32);
else if (CFNumberGetValue(cfObject, kCFNumberDoubleType, &valueFloat64))
SetFloat64(valueFloat64);
else
NN_LOG("Unable to convert CFNumber to NNumber");
}
return(isValid);
}
//============================================================================
// NNumber::NNumber : Constructor.
//----------------------------------------------------------------------------
NNumber::NNumber(Float64 theValue)
{
// Initialise ourselves
SetFloat64(theValue);
}
//============================================================================
// NNumber::SetValue : Set the value.
//----------------------------------------------------------------------------
bool NNumber::SetValue(const NString &theValue)
{ NRange foundDot, foundE;
NIndex thePrecision;
int64_t valueInteger;
float64_t valueReal;
// Parse the value
//
// Some integers will also pass parsing as floats, however we coerce these
// back to integers when possible to allow us to use more tightly packed
// types for storage in the future.
if (sscanf(theValue.GetUTF8(), "%lf", &valueReal) == 1)
{
// Get the state we need
foundDot = theValue.Find(".");
foundE = theValue.Find("e", kNStringNoCase);
if (foundDot.IsEmpty() || !foundE.IsEmpty())
thePrecision = kDecimalsFloat64;
else
thePrecision = theValue.GetSize() - foundDot.GetNext();
// Cast the value
if (foundDot.IsEmpty() && foundE.IsEmpty() && valueReal >= kInt64Min && valueReal <= kInt64Max)
SetInt64((int64_t) valueReal);
else if (thePrecision <= kDecimalsFloat32 && valueReal >= kFloat32Min && valueReal <= kFloat32Max)
SetFloat32((float32_t) valueReal);
else
SetFloat64(valueReal);
return(true);
}
else if (sscanf(theValue.GetUTF8(), "%lld", &valueInteger) == 1 ||
sscanf(theValue.GetUTF8(), "%llx", &valueInteger) == 1 ||
sscanf(theValue.GetUTF8(), "0x%llx", &valueInteger) == 1 ||
sscanf(theValue.GetUTF8(), "0X%llx", &valueInteger) == 1)
{
SetInt64(valueInteger);
return(true);
}
return(false);
}
//============================================================================
// NNumber::SetValue : Set the value.
//----------------------------------------------------------------------------
bool NNumber::SetValue(const NVariant &theValue)
{ UInt8 valueUInt8;
UInt16 valueUInt16;
UInt32 valueUInt32;
UInt64 valueUInt64;
SInt8 valueSInt8;
SInt16 valueSInt16;
SInt32 valueSInt32;
SInt64 valueSInt64;
Float32 valueFloat32;
Float64 valueFloat64;
int valueInt;
long valueLong;
NString valueString;
// Set the value
//
// NVariant treats some unsized types as numeric, to support literal constants.
if (theValue.GetValue(*this))
; // Assigned to this
else if (theValue.GetValue(valueUInt8))
SetUInt8(valueUInt8);
else if (theValue.GetValue(valueUInt16))
SetUInt16(valueUInt16);
else if (theValue.GetValue(valueUInt32))
SetUInt32(valueUInt32);
else if (theValue.GetValue(valueUInt64))
SetUInt64(valueUInt64);
else if (theValue.GetValue(valueSInt8))
SetSInt8(valueSInt8);
else if (theValue.GetValue(valueSInt16))
SetSInt16(valueSInt16);
else if (theValue.GetValue(valueSInt32))
SetSInt32(valueSInt32);
else if (theValue.GetValue(valueSInt64))
SetSInt64(valueSInt64);
else if (theValue.GetValue(valueFloat32))
SetFloat32(valueFloat32);
else if (theValue.GetValue(valueFloat64))
SetFloat64(valueFloat64);
else if (theValue.GetValue(valueInt))
SetSInt64(valueInt);
else if (theValue.GetValue(valueLong))
SetSInt64(valueLong);
else if (theValue.GetValue(valueString))
return(SetValue(valueString));
else
return(false);
return(true);
}
