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/* -----------------------------------------------------------------------------
* octcontainer.swg
*
* Octave cell <-> C++ container wrapper
*
* This wrapper, and its iterator, allows a general use (and reuse) of
* the mapping between C++ and Octave, thanks to the C++ templates.
*
* Of course, it needs the C++ compiler to support templates, but
* since we will use this wrapper with the STL containers, that should
* be the case.
* ----------------------------------------------------------------------------- */
%{
#include <climits>
#include <iostream>
%}
#if !defined(SWIG_NO_EXPORT_ITERATOR_METHODS)
# if !defined(SWIG_EXPORT_ITERATOR_METHODS)
# define SWIG_EXPORT_ITERATOR_METHODS SWIG_EXPORT_ITERATOR_METHODS
# endif
#endif
%include <octiterators.swg>
// The Octave C++ Wrap
%fragment("<stdexcept>");
%include <std_except.i>
%fragment(SWIG_Traits_frag(octave_value),"header",fragment="StdTraits") {
namespace swig {
template <> struct traits<octave_value > {
typedef value_category category;
static const char* type_name() { return "octave_value"; }
};
template <> struct traits_from<octave_value> {
typedef octave_value value_type;
static octave_value from(const value_type& val) {
return val;
}
};
template <>
struct traits_check<octave_value, value_category> {
static bool check(const octave_value&) {
return true;
}
};
template <> struct traits_asval<octave_value > {
typedef octave_value value_type;
static int asval(const octave_value& obj, value_type *val) {
if (val) *val = obj;
return SWIG_OK;
}
};
}
}
%fragment("OctSequence_Base","header",fragment="<stddef.h>")
{
%#include <functional>
namespace std {
template <>
struct less <octave_value>
{
bool
operator()(const octave_value& v, const octave_value& w) const
{
octave_value res = do_binary_op(octave_value::op_le,v,w);
return res.is_true();
}
};
}
namespace swig {
inline size_t
check_index(ptrdiff_t i, size_t size, bool insert = false) {
if ( i < 0 ) {
if ((size_t) (-i) <= size)
return (size_t) (i + size);
} else if ( (size_t) i < size ) {
return (size_t) i;
} else if (insert && ((size_t) i == size)) {
return size;
}
throw std::out_of_range("index out of range");
}
inline size_t
slice_index(ptrdiff_t i, size_t size) {
if ( i < 0 ) {
if ((size_t) (-i) <= size) {
return (size_t) (i + size);
} else {
throw std::out_of_range("index out of range");
}
} else {
return ( (size_t) i < size ) ? ((size_t) i) : size;
}
}
template <class Sequence, class Difference>
inline typename Sequence::iterator
getpos(Sequence* self, Difference i) {
typename Sequence::iterator pos = self->begin();
std::advance(pos, check_index(i,self->size()));
return pos;
}
template <class Sequence, class Difference>
inline typename Sequence::const_iterator
cgetpos(const Sequence* self, Difference i) {
typename Sequence::const_iterator pos = self->begin();
std::advance(pos, check_index(i,self->size()));
return pos;
}
template <class Sequence, class Difference>
inline Sequence*
getslice(const Sequence* self, Difference i, Difference j) {
typename Sequence::size_type size = self->size();
typename Sequence::size_type ii = swig::check_index(i, size);
typename Sequence::size_type jj = swig::slice_index(j, size);
if (jj > ii) {
typename Sequence::const_iterator vb = self->begin();
typename Sequence::const_iterator ve = self->begin();
std::advance(vb,ii);
std::advance(ve,jj);
return new Sequence(vb, ve);
} else {
return new Sequence();
}
}
template <class Sequence, class Difference, class InputSeq>
inline void
setslice(Sequence* self, Difference i, Difference j, const InputSeq& v) {
typename Sequence::size_type size = self->size();
typename Sequence::size_type ii = swig::check_index(i, size, true);
typename Sequence::size_type jj = swig::slice_index(j, size);
if (jj < ii) jj = ii;
size_t ssize = jj - ii;
if (ssize <= v.size()) {
typename Sequence::iterator sb = self->begin();
typename InputSeq::const_iterator vmid = v.begin();
std::advance(sb,ii);
std::advance(vmid, jj - ii);
self->insert(std::copy(v.begin(), vmid, sb), vmid, v.end());
} else {
typename Sequence::iterator sb = self->begin();
typename Sequence::iterator se = self->begin();
std::advance(sb,ii);
std::advance(se,jj);
self->erase(sb,se);
self->insert(sb, v.begin(), v.end());
}
}
template <class Sequence, class Difference>
inline void
delslice(Sequence* self, Difference i, Difference j) {
typename Sequence::size_type size = self->size();
typename Sequence::size_type ii = swig::check_index(i, size, true);
typename Sequence::size_type jj = swig::slice_index(j, size);
if (jj > ii) {
typename Sequence::iterator sb = self->begin();
typename Sequence::iterator se = self->begin();
std::advance(sb,ii);
std::advance(se,jj);
self->erase(sb,se);
}
}
}
}
%fragment("OctSequence_Cont","header",
fragment="StdTraits",
fragment="OctSequence_Base",
fragment="OctSwigIterator_T")
{
namespace swig
{
template <class T>
struct OctSequence_Ref // * octave can't support these, because of how assignment works
{
OctSequence_Ref(const octave_value& seq, int index)
: _seq(seq), _index(index)
{
}
operator T () const
{
// swig::SwigVar_PyObject item = OctSequence_GetItem(_seq, _index);
octave_value item; // * todo
try {
return swig::as<T>(item, true);
} catch (std::exception& e) {
char msg[1024];
sprintf(msg, "in sequence element %d ", _index);
if (!Octave_Error_Occurred()) {
%type_error(swig::type_name<T>());
}
SWIG_Octave_AddErrorMsg(msg);
SWIG_Octave_AddErrorMsg(e.what());
throw;
}
}
OctSequence_Ref& operator=(const T& v)
{
// OctSequence_SetItem(_seq, _index, swig::from<T>(v));
// * todo
return *this;
}
private:
octave_value _seq;
int _index;
};
template <class T>
struct OctSequence_ArrowProxy
{
OctSequence_ArrowProxy(const T& x): m_value(x) {}
const T* operator->() const { return &m_value; }
operator const T*() const { return &m_value; }
T m_value;
};
template <class T, class Reference >
struct OctSequence_InputIterator
{
typedef OctSequence_InputIterator<T, Reference > self;
typedef std::random_access_iterator_tag iterator_category;
typedef Reference reference;
typedef T value_type;
typedef T* pointer;
typedef int difference_type;
OctSequence_InputIterator()
{
}
OctSequence_InputIterator(const octave_value& seq, int index)
: _seq(seq), _index(index)
{
}
reference operator*() const
{
return reference(_seq, _index);
}
OctSequence_ArrowProxy<T>
operator->() const {
return OctSequence_ArrowProxy<T>(operator*());
}
bool operator==(const self& ri) const
{
return (_index == ri._index);
}
bool operator!=(const self& ri) const
{
return !(operator==(ri));
}
self& operator ++ ()
{
++_index;
return *this;
}
self& operator -- ()
{
--_index;
return *this;
}
self& operator += (difference_type n)
{
_index += n;
return *this;
}
self operator +(difference_type n) const
{
return self(_seq, _index + n);
}
self& operator -= (difference_type n)
{
_index -= n;
return *this;
}
self operator -(difference_type n) const
{
return self(_seq, _index - n);
}
difference_type operator - (const self& ri) const
{
return _index - ri._index;
}
bool operator < (const self& ri) const
{
return _index < ri._index;
}
reference
operator[](difference_type n) const
{
return reference(_seq, _index + n);
}
private:
octave_value _seq;
difference_type _index;
};
template <class T>
struct OctSequence_Cont
{
typedef OctSequence_Ref<T> reference;
typedef const OctSequence_Ref<T> const_reference;
typedef T value_type;
typedef T* pointer;
typedef int difference_type;
typedef int size_type;
typedef const pointer const_pointer;
typedef OctSequence_InputIterator<T, reference> iterator;
typedef OctSequence_InputIterator<T, const_reference> const_iterator;
OctSequence_Cont(const octave_value& seq) : _seq(seq)
{
// * assert that we have map type etc.
/*
if (!OctSequence_Check(seq)) {
throw std::invalid_argument("a sequence is expected");
}
_seq = seq;
Py_INCREF(_seq);
*/
}
~OctSequence_Cont()
{
}
size_type size() const
{
// return static_cast<size_type>(OctSequence_Size(_seq));
return 0; // * todo
}
bool empty() const
{
return size() == 0;
}
iterator begin()
{
return iterator(_seq, 0);
}
const_iterator begin() const
{
return const_iterator(_seq, 0);
}
iterator end()
{
return iterator(_seq, size());
}
const_iterator end() const
{
return const_iterator(_seq, size());
}
reference operator[](difference_type n)
{
return reference(_seq, n);
}
const_reference operator[](difference_type n) const
{
return const_reference(_seq, n);
}
bool check(bool set_err = true) const
{
int s = size();
for (int i = 0; i < s; ++i) {
// swig::SwigVar_PyObject item = OctSequence_GetItem(_seq, i);
octave_value item; // * todo
if (!swig::check<value_type>(item)) {
if (set_err) {
char msg[1024];
sprintf(msg, "in sequence element %d", i);
SWIG_Error(SWIG_RuntimeError, msg);
}
return false;
}
}
return true;
}
private:
octave_value _seq;
};
}
}
%define %swig_sequence_iterator(Sequence...)
#if defined(SWIG_EXPORT_ITERATOR_METHODS)
class iterator;
class reverse_iterator;
class const_iterator;
class const_reverse_iterator;
%typemap(out,noblock=1,fragment="OctSequence_Cont")
iterator, reverse_iterator, const_iterator, const_reverse_iterator {
$result = SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &)),
swig::OctSwigIterator::descriptor(),SWIG_POINTER_OWN);
}
%typemap(out,fragment="OctSequence_Cont")
std::pair<iterator, iterator>, std::pair<const_iterator, const_iterator> {
octave_value_list tmpc;
tmpc.append(SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).first),
swig::OctSwigIterator::descriptor(),SWIG_POINTER_OWN));
tmpc.append(SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).second),
swig::OctSwigIterator::descriptor(),SWIG_POINTER_OWN));
$result = Cell(tmpc);
}
%fragment("SwigPyPairBoolOutputIterator","header",fragment=SWIG_From_frag(bool),fragment="OctSequence_Cont") {}
%typemap(out,fragment="OctPairBoolOutputIterator")
std::pair<iterator, bool>, std::pair<const_iterator, bool> {
octave_value_list tmpc;
tmpc.append(SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).first),
swig::OctSwigIterator::descriptor(),SWIG_POINTER_OWN));
tmpc.append(SWIG_From(bool)(%static_cast($1,const $type &).second));
$result = Cell(tmpc);
}
%typemap(in,noblock=1,fragment="OctSequence_Cont")
iterator(swig::OctSwigIterator *iter = 0, int res),
reverse_iterator(swig::OctSwigIterator *iter = 0, int res),
const_iterator(swig::OctSwigIterator *iter = 0, int res),
const_reverse_iterator(swig::OctSwigIterator *iter = 0, int res) {
res = SWIG_ConvertPtr($input, %as_voidptrptr(&iter), swig::OctSwigIterator::descriptor(), 0);
if (!SWIG_IsOK(res) || !iter) {
%argument_fail(SWIG_TypeError, "$type", $symname, $argnum);
} else {
swig::OctSwigIterator_T<$type > *iter_t = dynamic_cast<swig::OctSwigIterator_T<$type > *>(iter);
if (iter_t) {
$1 = iter_t->get_current();
} else {
%argument_fail(SWIG_TypeError, "$type", $symname, $argnum);
}
}
}
%typecheck(%checkcode(ITERATOR),noblock=1,fragment="OctSequence_Cont")
iterator, reverse_iterator, const_iterator, const_reverse_iterator {
swig::OctSwigIterator *iter = 0;
int res = SWIG_ConvertPtr($input, %as_voidptrptr(&iter), swig::OctSwigIterator::descriptor(), 0);
$1 = (SWIG_IsOK(res) && iter && (dynamic_cast<swig::OctSwigIterator_T<$type > *>(iter) != 0));
}
%fragment("OctSequence_Cont");
#endif //SWIG_EXPORT_ITERATOR_METHODS
%enddef
// The octave container methods
%define %swig_container_methods(Container...)
%enddef
%define %swig_sequence_methods_common(Sequence...)
%swig_sequence_iterator(%arg(Sequence))
%swig_container_methods(%arg(Sequence))
%fragment("OctSequence_Base");
%extend {
value_type pop() throw (std::out_of_range) {
if (self->size() == 0)
throw std::out_of_range("pop from empty container");
Sequence::value_type x = self->back();
self->pop_back();
return x;
}
value_type __paren__(difference_type i) throw (std::out_of_range) {
return *(swig::cgetpos(self, i));
}
void __paren_asgn__(difference_type i, value_type x) throw (std::out_of_range) {
*(swig::getpos(self,i)) = x;
}
void append(value_type x) {
self->push_back(x);
}
}
%enddef
%define %swig_sequence_methods(Sequence...)
%swig_sequence_methods_common(%arg(Sequence))
%enddef
%define %swig_sequence_methods_val(Sequence...)
%swig_sequence_methods_common(%arg(Sequence))
%enddef
//
// Common fragments
//
%fragment("StdSequenceTraits","header",
fragment="StdTraits",
fragment="OctSequence_Cont")
{
namespace swig {
template <class OctSeq, class Seq>
inline void
assign(const OctSeq& octseq, Seq* seq) {
%#ifdef SWIG_STD_NOASSIGN_STL
typedef typename OctSeq::value_type value_type;
typename OctSeq::const_iterator it = octseq.begin();
for (;it != octseq.end(); ++it) {
seq->insert(seq->end(),(value_type)(*it));
}
%#else
seq->assign(octseq.begin(), octseq.end());
%#endif
}
template <class Seq, class T = typename Seq::value_type >
struct traits_asptr_stdseq {
typedef Seq sequence;
typedef T value_type;
static int asptr(const octave_value& obj, sequence **seq) {
if (!obj.is_defined() || Swig::swig_value_deref(obj)) {
sequence *p;
swig_type_info *descriptor = swig::type_info<sequence>();
if (descriptor && SWIG_IsOK(SWIG_ConvertPtr(obj, (void **)&p, descriptor, 0))) {
if (seq) *seq = p;
return SWIG_OLDOBJ;
}
} else if (obj.is_cell()) {
try {
OctSequence_Cont<value_type> octseq(obj);
if (seq) {
sequence *pseq = new sequence();
assign(octseq, pseq);
*seq = pseq;
return SWIG_NEWOBJ;
} else {
return octseq.check() ? SWIG_OK : SWIG_ERROR;
}
} catch (std::exception& e) {
if (seq&&!error_state)
error("swig type error: %s",e.what());
return SWIG_ERROR;
}
}
return SWIG_ERROR;
}
};
template <class Seq, class T = typename Seq::value_type >
struct traits_from_stdseq {
typedef Seq sequence;
typedef T value_type;
typedef typename Seq::size_type size_type;
typedef typename sequence::const_iterator const_iterator;
static octave_value from(const sequence& seq) {
#ifdef SWIG_OCTAVE_EXTRA_NATIVE_CONTAINERS
swig_type_info *desc = swig::type_info<sequence>();
if (desc && desc->clientdata) {
return SWIG_NewPointerObj(new sequence(seq), desc, SWIG_POINTER_OWN);
}
#endif
size_type size = seq.size();
if (size <= (size_type)INT_MAX) {
Cell c(size,1);
int i = 0;
for (const_iterator it = seq.begin();
it != seq.end(); ++it, ++i) {
c(i) = swig::from<value_type>(*it);
}
return c;
} else {
error("swig overflow error: sequence size not valid in octave");
return octave_value();
}
return octave_value();
}
};
}
}
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