pgsOperand pgsGenDateTime::eval(pgsVarMap &vars) const
{
// Evaluate parameters
pgsOperand min(m_min->eval(vars));
pgsOperand max(m_max->eval(vars));
pgsOperand sequence(m_sequence->eval(vars));
pgsOperand seed(m_seed->eval(vars));
// Check parameters and create the generator
if (min->is_string() && max->is_string() && sequence->is_integer()
&& seed->is_integer())
{
wxDateTime aux_min, aux_max;
if (aux_min.ParseDateTime(min->value()) != 0 && aux_max.ParseDateTime(max->value()) != 0
&& aux_min.IsValid() && aux_max.IsValid())
{
long aux_sequence, aux_seed;
sequence->value().ToLong(&aux_sequence);
seed->value().ToLong(&aux_seed);
return pnew pgsGenerator(pgsVariable::pgsTString,
pnew pgsDateTimeGen(aux_min, aux_max, aux_sequence != 0, aux_seed));
}
else
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nmin and/or max datetimes are not valid"));
}
}
else
{
// Deal with errors
if (!min->is_string())
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nmin should be a string"));
}
else if (!max->is_string())
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nmax should be a string"));
}
else if (!sequence->is_integer())
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nsequence should be an integer"));
}
else
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nseed should be an integer"));
}
}
}
pgsDateTimeGen * pgsDateTimeGen::clone()
{
return pnew pgsDateTimeGen(*this);
}
