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- %fragment("StdTraits","header",fragment="StdTraitsCommon")
- {
- namespace swig {
- // Traits that provides the from method
- template <class Type> struct traits_from_ptr {
- static octave_value from(Type *val, int owner = 0) {
- return SWIG_NewPointerObj(val, type_info<Type>(), owner);
- }
- };
- template <class Type> struct traits_from {
- static octave_value from(const Type& val) {
- return traits_from_ptr<Type>::from(new Type(val), 1);
- }
- };
- template <class Type> struct traits_from<Type *> {
- static octave_value from(Type* val) {
- return traits_from_ptr<Type>::from(val, 0);
- }
- };
- template <class Type> struct traits_from<const Type *> {
- static octave_value from(const Type* val) {
- return traits_from_ptr<Type>::from(const_cast<Type*>(val), 0);
- }
- };
- template <class Type>
- inline octave_value from(const Type& val) {
- return traits_from<Type>::from(val);
- }
- template <class Type>
- inline octave_value from_ptr(Type* val, int owner) {
- return traits_from_ptr<Type>::from(val, owner);
- }
- // Traits that provides the asval/as/check method
- template <class Type>
- struct traits_asptr {
- static int asptr(const octave_value& obj, Type **val) {
- Type *p;
- int res = SWIG_ConvertPtr(obj, (void**)&p, type_info<Type>(), 0);
- if (SWIG_IsOK(res)) {
- if (val) *val = p;
- }
- return res;
- }
- };
- template <class Type>
- inline int asptr(const octave_value& obj, Type **vptr) {
- return traits_asptr<Type>::asptr(obj, vptr);
- }
- template <class Type>
- struct traits_asval {
- static int asval(const octave_value& obj, Type *val) {
- if (val) {
- Type *p = 0;
- int res = traits_asptr<Type>::asptr(obj, &p);
- if (!SWIG_IsOK(res)) return res;
- if (p) {
- typedef typename noconst_traits<Type>::noconst_type noconst_type;
- *(const_cast<noconst_type*>(val)) = *p;
- if (SWIG_IsNewObj(res)){
- %delete(p);
- res = SWIG_DelNewMask(res);
- }
- return res;
- } else {
- return SWIG_ERROR;
- }
- } else {
- return traits_asptr<Type>::asptr(obj, (Type **)(0));
- }
- }
- };
- template <class Type> struct traits_asval<Type*> {
- static int asval(const octave_value& obj, Type **val) {
- if (val) {
- typedef typename noconst_traits<Type>::noconst_type noconst_type;
- noconst_type *p = 0;
- int res = traits_asptr<noconst_type>::asptr(obj, &p);
- if (SWIG_IsOK(res)) {
- *(const_cast<noconst_type**>(val)) = p;
- }
- return res;
- } else {
- return traits_asptr<Type>::asptr(obj, (Type **)(0));
- }
- }
- };
-
- template <class Type>
- inline int asval(const octave_value& obj, Type *val) {
- return traits_asval<Type>::asval(obj, val);
- }
- template <class Type>
- struct traits_as<Type, value_category> {
- static Type as(const octave_value& obj, bool throw_error) {
- Type v;
- int res = asval(obj, &v);
- if (!obj.is_defined() || !SWIG_IsOK(res)) {
- if (!Octave_Error_Occurred()) {
- %type_error(swig::type_name<Type>());
- }
- if (throw_error) throw std::invalid_argument("bad type");
- }
- return v;
- }
- };
- template <class Type>
- struct traits_as<Type, pointer_category> {
- static Type as(const octave_value& obj, bool throw_error) {
- Type *v = 0;
- int res = traits_asptr<Type>::asptr(obj, &v);
- if (SWIG_IsOK(res) && v) {
- if (SWIG_IsNewObj(res)) {
- Type r(*v);
- %delete(v);
- return r;
- } else {
- return *v;
- }
- } else {
- // Uninitialized return value, no Type() constructor required.
- static Type *v_def = (Type*) malloc(sizeof(Type));
- if (!Octave_Error_Occurred()) {
- %type_error(swig::type_name<Type>());
- }
- if (throw_error) throw std::invalid_argument("bad type");
- memset(v_def,0,sizeof(Type));
- return *v_def;
- }
- }
- };
- template <class Type>
- struct traits_as<Type*, pointer_category> {
- static Type* as(const octave_value& obj, bool throw_error) {
- Type *v = 0;
- int res = traits_asptr<Type>::asptr(obj, &v);
- if (SWIG_IsOK(res)) {
- return v;
- } else {
- if (!Octave_Error_Occurred()) {
- %type_error(swig::type_name<Type>());
- }
- if (throw_error) throw std::invalid_argument("bad type");
- return 0;
- }
- }
- };
-
- template <class Type>
- inline Type as(const octave_value& obj, bool te = false) {
- return traits_as<Type, typename traits<Type>::category>::as(obj, te);
- }
- template <class Type>
- struct traits_check<Type, value_category> {
- static bool check(const octave_value& obj) {
- int res = asval(obj, (Type *)(0));
- return SWIG_IsOK(res) ? true : false;
- }
- };
- template <class Type>
- struct traits_check<Type, pointer_category> {
- static bool check(const octave_value& obj) {
- int res = asptr(obj, (Type **)(0));
- return SWIG_IsOK(res) ? true : false;
- }
- };
- template <class Type>
- inline bool check(const octave_value& obj) {
- return traits_check<Type, typename traits<Type>::category>::check(obj);
- }
- }
- }
- %define %specialize_std_container(Type,Check,As,From)
- %{
- namespace swig {
- template <> struct traits_asval<Type > {
- typedef Type value_type;
- static int asval(const octave_value& obj, value_type *val) {
- if (Check(obj)) {
- if (val) *val = As(obj);
- return SWIG_OK;
- }
- return SWIG_ERROR;
- }
- };
- template <> struct traits_from<Type > {
- typedef Type value_type;
- static octave_value from(const value_type& val) {
- return From(val);
- }
- };
- template <>
- struct traits_check<Type, value_category> {
- static int check(const octave_value& obj) {
- int res = Check(obj);
- return obj && res ? res : 0;
- }
- };
- }
- %}
- %enddef
- #define specialize_std_vector(Type,Check,As,From) %specialize_std_container(%arg(Type),Check,As,From)
- #define specialize_std_list(Type,Check,As,From) %specialize_std_container(%arg(Type),Check,As,From)
- #define specialize_std_deque(Type,Check,As,From) %specialize_std_container(%arg(Type),Check,As,From)
- #define specialize_std_set(Type,Check,As,From) %specialize_std_container(%arg(Type),Check,As,From)
- #define specialize_std_multiset(Type,Check,As,From) %specialize_std_container(%arg(Type),Check,As,From)
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