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/*
Copyright (C) 2000, 2001, 2002 RiskMap srl
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it under the
terms of the QuantLib license. You should have received a copy of the
license along with this program; if not, please email ferdinando@ametrano.net
The license is also available online at http://quantlib.org/html/license.html
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the license for more details.
*/
// $Id: Null.i,v 1.10 2002/01/16 14:50:51 nando Exp $
#ifndef quantlib_null_i
#define quantlib_null_i
%{
#include <ql/null.hpp>
%}
// typedef Null<int> and Null<double> into None and viceversa
%inline %{
typedef int intOrNull;
typedef double doubleOrNull;
%}
%typemap(python,in) intOrNull {
if ($source == Py_None) {
$target = Null<int>();
} else if (PyInt_Check($source) != 0) {
$target = int(PyInt_AsLong($source));
} else {
PyErr_SetString(PyExc_TypeError,"int or None expected");
return NULL;
}
}
%typemap(python,out) intOrNull {
if ($source == Null<int>()) {
Py_INCREF(Py_None);
$target = Py_None;
} else {
$target = PyInt_FromLong(long($source));
}
}
%typemap(python,in) doubleOrNull {
if ($source == Py_None) {
$target = Null<double>();
} else if (PyFloat_Check($source) != 0) {
$target = PyFloat_AsDouble($source);
} else {
PyErr_SetString(PyExc_TypeError,"double or None expected");
return NULL;
}
}
%typemap(python,out) doubleOrNull {
if ($source == Null<double>()) {
Py_INCREF(Py_None);
$target = Py_None;
} else {
$target = PyFloat_FromDouble($source);
}
}
// typemap None to object returned from default constructor
%define AllowNoneAsInput(Type,TypeAlias)
%types(Type *);
%typemap(python,in) Type (Type temp), Type * (Type temp),
const Type & (Type temp), Type & (Type temp) {
Type* x;
if ($source == Py_None) {
temp = Type();
$target = &temp;
} else if ((SWIG_ConvertPtr($source,(void **) &x,
SWIGTYPE_p_##Type,0)) != -1) {
$target = x;
} else {
PyErr_SetString(PyExc_TypeError,"TypeAlias" " expected");
return NULL;
}
};
%enddef
#endif
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