/// As per http://wiki.shopify.com/Divided_by
static Fragment* DividedBy(Fragment* input,
std::vector<Fragment*>& arguments)
{
// Check for arguments
if ((arguments.size() < 1) ||
((input->GetType() != FragmentTypeInteger) &&
(input->GetType() != FragmentTypeFloat)) ||
((arguments[0]->GetType() != FragmentTypeInteger) &&
(arguments[0]->GetType() != FragmentTypeFloat)))
return new NullFragment();
Fragment* operand = arguments[0];
FragmentType inputType = input->GetType(),
operandType = operand->GetType();
// Handle depending on input type
if ((inputType == FragmentTypeInteger) &&
(operandType == FragmentTypeInteger))
{
int64_t a = reinterpret_cast<IntegerFragment*>(input)->GetValue(),
b = reinterpret_cast<IntegerFragment*>(operand)->GetValue();
return new IntegerFragment(b == 0 ? 0 : a / b);
}
double a = (inputType == FragmentTypeInteger ?
double(reinterpret_cast<IntegerFragment*>(input)->GetValue()) :
reinterpret_cast<FloatFragment*>(input)->GetValue()),
b = (operandType == FragmentTypeInteger ?
double(reinterpret_cast<IntegerFragment*>(operand)->GetValue()) :
reinterpret_cast<FloatFragment*>(operand)->GetValue());
return new FloatFragment(b == 0 ? 0 : a / b);
}
/// As per http://wiki.shopify.com/Times
static Fragment* Times(Fragment* input,
std::vector<Fragment*>& arguments)
{
// Check for arguments
if ((arguments.size() < 1) ||
((input->GetType() != FragmentTypeInteger) &&
(input->GetType() != FragmentTypeFloat) &&
(input->GetType() != FragmentTypeString)) ||
((arguments[0]->GetType() != FragmentTypeInteger) &&
(arguments[0]->GetType() != FragmentTypeFloat)))
return new NullFragment();
Fragment* operand = arguments[0];
FragmentType inputType = input->GetType(),
operandType = operand->GetType();
// String multiplication
if (inputType == FragmentTypeString)
{
if (operandType == FragmentTypeInteger)
{
std::string inputString = reinterpret_cast<StringFragment*>(input)->GetValue(),
result;
int64_t times = reinterpret_cast<IntegerFragment*>(operand)->GetValue(),
current = 0;
while (current < times)
{
result += inputString;
current++;
}
return new StringFragment(result);
}
else
return new NullFragment();
}
// Number multiplication
if ((inputType == FragmentTypeInteger) &&
(operandType == FragmentTypeInteger))
return new IntegerFragment(reinterpret_cast<IntegerFragment*>(input)->GetValue() *
reinterpret_cast<IntegerFragment*>(operand)->GetValue());
double a = (inputType == FragmentTypeInteger ?
double(reinterpret_cast<IntegerFragment*>(input)->GetValue()) :
reinterpret_cast<FloatFragment*>(input)->GetValue()),
b = (operandType == FragmentTypeInteger ?
double(reinterpret_cast<IntegerFragment*>(operand)->GetValue()) :
reinterpret_cast<FloatFragment*>(operand)->GetValue());
return new FloatFragment(a * b);
}
