1 /* -----------------------------------------------------------------------------
2 * See the LICENSE file for information on copyright, usage and redistribution
3 * of SWIG, and the README file for authors - http://www.swig.org/release.html.
7 * Octave cell <-> C++ container wrapper
9 * This wrapper, and its iterator, allows a general use (and reuse) of
10 * the the mapping between C++ and Octave, thanks to the C++
13 * Of course, it needs the C++ compiler to support templates, but
14 * since we will use this wrapper with the STL containers, that should
16 * ----------------------------------------------------------------------------- */
23 #if !defined(SWIG_NO_EXPORT_ITERATOR_METHODS)
24 # if !defined(SWIG_EXPORT_ITERATOR_METHODS)
25 # define SWIG_EXPORT_ITERATOR_METHODS SWIG_EXPORT_ITERATOR_METHODS
29 %include <octiterators.swg>
31 // The Octave C++ Wrap
37 %include <std_except.i>
39 %fragment(SWIG_Traits_frag(octave_value),"header",fragment="StdTraits") {
41 template <> struct traits<octave_value > {
42 typedef value_category category;
43 static const char* type_name() { return "octave_value"; }
46 template <> struct traits_from<octave_value> {
47 typedef octave_value value_type;
48 static octave_value from(const value_type& val) {
54 struct traits_check<octave_value, value_category> {
55 static bool check(const octave_value&) {
60 template <> struct traits_asval<octave_value > {
61 typedef octave_value value_type;
62 static int asval(const octave_value& obj, value_type *val) {
70 %fragment("OctSequence_Base","header")
72 %#include <functional>
76 struct less <octave_value>: public binary_function<octave_value, octave_value, bool>
79 operator()(const octave_value& v, const octave_value& w) const
81 octave_value res = do_binary_op(octave_value::op_le,v,w);
89 check_index(ptrdiff_t i, size_t size, bool insert = false) {
91 if ((size_t) (-i) <= size)
92 return (size_t) (i + size);
93 } else if ( (size_t) i < size ) {
95 } else if (insert && ((size_t) i == size)) {
99 throw std::out_of_range("index out of range");
103 slice_index(ptrdiff_t i, size_t size) {
105 if ((size_t) (-i) <= size) {
106 return (size_t) (i + size);
108 throw std::out_of_range("index out of range");
111 return ( (size_t) i < size ) ? ((size_t) i) : size;
115 template <class Sequence, class Difference>
116 inline typename Sequence::iterator
117 getpos(Sequence* self, Difference i) {
118 typename Sequence::iterator pos = self->begin();
119 std::advance(pos, check_index(i,self->size()));
123 template <class Sequence, class Difference>
124 inline typename Sequence::const_iterator
125 cgetpos(const Sequence* self, Difference i) {
126 typename Sequence::const_iterator pos = self->begin();
127 std::advance(pos, check_index(i,self->size()));
131 template <class Sequence, class Difference>
133 getslice(const Sequence* self, Difference i, Difference j) {
134 typename Sequence::size_type size = self->size();
135 typename Sequence::size_type ii = swig::check_index(i, size);
136 typename Sequence::size_type jj = swig::slice_index(j, size);
139 typename Sequence::const_iterator vb = self->begin();
140 typename Sequence::const_iterator ve = self->begin();
143 return new Sequence(vb, ve);
145 return new Sequence();
149 template <class Sequence, class Difference, class InputSeq>
151 setslice(Sequence* self, Difference i, Difference j, const InputSeq& v) {
152 typename Sequence::size_type size = self->size();
153 typename Sequence::size_type ii = swig::check_index(i, size, true);
154 typename Sequence::size_type jj = swig::slice_index(j, size);
155 if (jj < ii) jj = ii;
156 size_t ssize = jj - ii;
157 if (ssize <= v.size()) {
158 typename Sequence::iterator sb = self->begin();
159 typename InputSeq::const_iterator vmid = v.begin();
161 std::advance(vmid, jj - ii);
162 self->insert(std::copy(v.begin(), vmid, sb), vmid, v.end());
164 typename Sequence::iterator sb = self->begin();
165 typename Sequence::iterator se = self->begin();
169 self->insert(sb, v.begin(), v.end());
173 template <class Sequence, class Difference>
175 delslice(Sequence* self, Difference i, Difference j) {
176 typename Sequence::size_type size = self->size();
177 typename Sequence::size_type ii = swig::check_index(i, size, true);
178 typename Sequence::size_type jj = swig::slice_index(j, size);
180 typename Sequence::iterator sb = self->begin();
181 typename Sequence::iterator se = self->begin();
190 %fragment("OctSequence_Cont","header",
191 fragment="StdTraits",
192 fragment="OctSequence_Base",
193 fragment="OctSwigIterator_T")
198 struct OctSequence_Ref // * octave can't support these, because of how assignment works
200 OctSequence_Ref(const octave_value& seq, int index)
201 : _seq(seq), _index(index)
207 // swig::SwigVar_PyObject item = OctSequence_GetItem(_seq, _index);
208 octave_value item; // * todo
210 return swig::as<T>(item, true);
211 } catch (std::exception& e) {
213 sprintf(msg, "in sequence element %d ", _index);
214 if (!Octave_Error_Occurred()) {
215 %type_error(swig::type_name<T>());
217 SWIG_Octave_AddErrorMsg(msg);
218 SWIG_Octave_AddErrorMsg(e.what());
223 OctSequence_Ref& operator=(const T& v)
225 // OctSequence_SetItem(_seq, _index, swig::from<T>(v));
236 struct OctSequence_ArrowProxy
238 OctSequence_ArrowProxy(const T& x): m_value(x) {}
239 const T* operator->() const { return &m_value; }
240 operator const T*() const { return &m_value; }
244 template <class T, class Reference >
245 struct OctSequence_InputIterator
247 typedef OctSequence_InputIterator<T, Reference > self;
249 typedef std::random_access_iterator_tag iterator_category;
250 typedef Reference reference;
251 typedef T value_type;
253 typedef int difference_type;
255 OctSequence_InputIterator()
259 OctSequence_InputIterator(const octave_value& seq, int index)
260 : _seq(seq), _index(index)
264 reference operator*() const
266 return reference(_seq, _index);
269 OctSequence_ArrowProxy<T>
271 return OctSequence_ArrowProxy<T>(operator*());
274 bool operator==(const self& ri) const
276 return (_index == ri._index);
279 bool operator!=(const self& ri) const
281 return !(operator==(ri));
296 self& operator += (difference_type n)
302 self operator +(difference_type n) const
304 return self(_seq, _index + n);
307 self& operator -= (difference_type n)
313 self operator -(difference_type n) const
315 return self(_seq, _index - n);
318 difference_type operator - (const self& ri) const
320 return _index - ri._index;
323 bool operator < (const self& ri) const
325 return _index < ri._index;
329 operator[](difference_type n) const
331 return reference(_seq, _index + n);
336 difference_type _index;
340 struct OctSequence_Cont
342 typedef OctSequence_Ref<T> reference;
343 typedef const OctSequence_Ref<T> const_reference;
344 typedef T value_type;
346 typedef int difference_type;
347 typedef int size_type;
348 typedef const pointer const_pointer;
349 typedef OctSequence_InputIterator<T, reference> iterator;
350 typedef OctSequence_InputIterator<T, const_reference> const_iterator;
352 OctSequence_Cont(const octave_value& seq) : _seq(seq)
354 // * assert that we have map type etc.
356 if (!OctSequence_Check(seq)) {
357 throw std::invalid_argument("a sequence is expected");
368 size_type size() const
370 // return static_cast<size_type>(OctSequence_Size(_seq));
381 return iterator(_seq, 0);
384 const_iterator begin() const
386 return const_iterator(_seq, 0);
391 return iterator(_seq, size());
394 const_iterator end() const
396 return const_iterator(_seq, size());
399 reference operator[](difference_type n)
401 return reference(_seq, n);
404 const_reference operator[](difference_type n) const
406 return const_reference(_seq, n);
409 bool check(bool set_err = true) const
412 for (int i = 0; i < s; ++i) {
413 // swig::SwigVar_PyObject item = OctSequence_GetItem(_seq, i);
414 octave_value item; // * todo
415 if (!swig::check<value_type>(item)) {
418 sprintf(msg, "in sequence element %d", i);
419 SWIG_Error(SWIG_RuntimeError, msg);
434 %define %swig_sequence_iterator(Sequence...)
435 #if defined(SWIG_EXPORT_ITERATOR_METHODS)
437 class reverse_iterator;
438 class const_iterator;
439 class const_reverse_iterator;
441 %typemap(out,noblock=1,fragment="OctSequence_Cont")
442 iterator, reverse_iterator, const_iterator, const_reverse_iterator {
443 $result = SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &)),
444 swig::OctSwigIterator::descriptor(),SWIG_POINTER_OWN);
446 %typemap(out,fragment="OctSequence_Cont")
447 std::pair<iterator, iterator>, std::pair<const_iterator, const_iterator> {
448 octave_value_list tmpc;
449 tmpc.append(SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).first),
450 swig::OctSwigIterator::descriptor(),SWIG_POINTER_OWN));
451 tmpc.append(SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).second),
452 swig::OctSwigIterator::descriptor(),SWIG_POINTER_OWN));
453 $result = Cell(tmpc);
456 %fragment("SwigPyPairBoolOutputIterator","header",fragment=SWIG_From_frag(bool),fragment="OctSequence_Cont") {}
458 %typemap(out,fragment="OctPairBoolOutputIterator")
459 std::pair<iterator, bool>, std::pair<const_iterator, bool> {
460 octave_value_list tmpc;
461 tmpc.append(SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).first),
462 swig::OctSwigIterator::descriptor(),SWIG_POINTER_OWN));
463 tmpc.append(SWIG_From(bool)(%static_cast($1,const $type &).second));
464 $result = Cell(tmpc);
467 %typemap(in,noblock=1,fragment="OctSequence_Cont")
468 iterator(swig::OctSwigIterator *iter = 0, int res),
469 reverse_iterator(swig::OctSwigIterator *iter = 0, int res),
470 const_iterator(swig::OctSwigIterator *iter = 0, int res),
471 const_reverse_iterator(swig::OctSwigIterator *iter = 0, int res) {
472 res = SWIG_ConvertPtr($input, %as_voidptrptr(&iter), swig::OctSwigIterator::descriptor(), 0);
473 if (!SWIG_IsOK(res) || !iter) {
474 %argument_fail(SWIG_TypeError, "$type", $symname, $argnum);
476 swig::OctSwigIterator_T<$type > *iter_t = dynamic_cast<swig::OctSwigIterator_T<$type > *>(iter);
478 $1 = iter_t->get_current();
480 %argument_fail(SWIG_TypeError, "$type", $symname, $argnum);
485 %typecheck(%checkcode(ITERATOR),noblock=1,fragment="OctSequence_Cont")
486 iterator, reverse_iterator, const_iterator, const_reverse_iterator {
487 swig::OctSwigIterator *iter = 0;
488 int res = SWIG_ConvertPtr($input, %as_voidptrptr(&iter), swig::OctSwigIterator::descriptor(), 0);
489 $1 = (SWIG_IsOK(res) && iter && (dynamic_cast<swig::OctSwigIterator_T<$type > *>(iter) != 0));
492 %fragment("OctSequence_Cont");
493 #endif //SWIG_EXPORT_ITERATOR_METHODS
496 // The octave container methods
498 %define %swig_container_methods(Container...)
501 %define %swig_sequence_methods_common(Sequence...)
502 %swig_sequence_iterator(%arg(Sequence))
503 %swig_container_methods(%arg(Sequence))
505 %fragment("OctSequence_Base");
508 value_type pop() throw (std::out_of_range) {
509 if (self->size() == 0)
510 throw std::out_of_range("pop from empty container");
511 Sequence::value_type x = self->back();
516 value_type __paren__(difference_type i) throw (std::out_of_range) {
517 return *(swig::cgetpos(self, i));
520 void __paren_asgn__(difference_type i, value_type x) throw (std::out_of_range) {
521 *(swig::getpos(self,i)) = x;
524 void append(value_type x) {
531 %define %swig_sequence_methods(Sequence...)
532 %swig_sequence_methods_common(%arg(Sequence))
535 %define %swig_sequence_methods_val(Sequence...)
536 %swig_sequence_methods_common(%arg(Sequence))
543 %fragment("StdSequenceTraits","header",
544 fragment="StdTraits",
545 fragment="OctSequence_Cont")
548 template <class OctSeq, class Seq>
550 assign(const OctSeq& octseq, Seq* seq) {
551 %#ifdef SWIG_STD_NOASSIGN_STL
552 typedef typename OctSeq::value_type value_type;
553 typename OctSeq::const_iterator it = octseq.begin();
554 for (;it != octseq.end(); ++it) {
555 seq->insert(seq->end(),(value_type)(*it));
558 seq->assign(octseq.begin(), octseq.end());
562 template <class Seq, class T = typename Seq::value_type >
563 struct traits_asptr_stdseq {
564 typedef Seq sequence;
565 typedef T value_type;
567 static int asptr(const octave_value& obj, sequence **seq) {
568 if (!obj.is_defined() || Swig::swig_value_deref(obj)) {
570 if (SWIG_ConvertPtr(obj,(void**)&p,
571 swig::type_info<sequence>(),0) == SWIG_OK) {
575 } else if (obj.is_cell()) {
577 OctSequence_Cont<value_type> octseq(obj);
579 sequence *pseq = new sequence();
580 assign(octseq, pseq);
584 return octseq.check() ? SWIG_OK : SWIG_ERROR;
586 } catch (std::exception& e) {
587 if (seq&&!error_state)
588 error("swig type error: %s",e.what());
596 template <class Seq, class T = typename Seq::value_type >
597 struct traits_from_stdseq {
598 typedef Seq sequence;
599 typedef T value_type;
600 typedef typename Seq::size_type size_type;
601 typedef typename sequence::const_iterator const_iterator;
603 static octave_value from(const sequence& seq) {
604 #ifdef SWIG_OCTAVE_EXTRA_NATIVE_CONTAINERS
605 swig_type_info *desc = swig::type_info<sequence>();
606 if (desc && desc->clientdata) {
607 return SWIG_NewPointerObj(new sequence(seq), desc, SWIG_POINTER_OWN);
610 size_type size = seq.size();
611 if (size <= (size_type)INT_MAX) {
614 for (const_iterator it = seq.begin();
615 it != seq.end(); ++it, ++i) {
616 c(i) = swig::from<value_type>(*it);
620 error("swig overflow error: sequence size not valid in octave");
621 return octave_value();
623 return octave_value();