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Diffstat (limited to 'devtools/swigwin-1.3.34/Lib/python/pycontainer.swg')
| -rw-r--r-- | devtools/swigwin-1.3.34/Lib/python/pycontainer.swg | 766 |
1 files changed, 766 insertions, 0 deletions
diff --git a/devtools/swigwin-1.3.34/Lib/python/pycontainer.swg b/devtools/swigwin-1.3.34/Lib/python/pycontainer.swg new file mode 100644 index 0000000..b68a11f --- /dev/null +++ b/devtools/swigwin-1.3.34/Lib/python/pycontainer.swg @@ -0,0 +1,766 @@ +/* ----------------------------------------------------------------------------- + * See the LICENSE file for information on copyright, usage and redistribution + * of SWIG, and the README file for authors - http://www.swig.org/release.html. + * + * pycontainer.swg + * + * Python sequence <-> C++ container wrapper + * + * This wrapper, and its iterator, allows a general use (and reuse) of + * the the mapping between C++ and Python, 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 <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 <pyiterators.swg> + +/**** The PySequence C++ Wrap ***/ + +%insert(header) %{ +#include <stdexcept> +%} + +%include <std_except.i> + +%fragment(SWIG_Traits_frag(swig::PyObject_ptr),"header",fragment="StdTraits") { +namespace swig { + template <> struct traits<PyObject_ptr > { + typedef value_category category; + static const char* type_name() { return "PyObject_ptr"; } + }; + + template <> struct traits_from<PyObject_ptr> { + typedef PyObject_ptr value_type; + static PyObject *from(const value_type& val) { + PyObject *obj = static_cast<PyObject *>(val); + Py_XINCREF(obj); + return obj; + } + }; + + template <> + struct traits_check<PyObject_ptr, value_category> { + static bool check(PyObject_ptr) { + return true; + } + }; + + template <> struct traits_asval<PyObject_ptr > { + typedef PyObject_ptr value_type; + static int asval(PyObject *obj, value_type *val) { + if (val) *val = obj; + return SWIG_OK; + } + }; +} +} + +%fragment(SWIG_Traits_frag(swig::PyObject_var),"header",fragment="StdTraits") { +namespace swig { + template <> struct traits<PyObject_var > { + typedef value_category category; + static const char* type_name() { return "PyObject_var"; } + }; + + template <> struct traits_from<PyObject_var> { + typedef PyObject_var value_type; + static PyObject *from(const value_type& val) { + PyObject *obj = static_cast<PyObject *>(val); + Py_XINCREF(obj); + return obj; + } + }; + + template <> + struct traits_check<PyObject_var, value_category> { + static bool check(PyObject_var) { + return true; + } + }; + + template <> struct traits_asval<PyObject_var > { + typedef PyObject_var value_type; + static int asval(PyObject *obj, value_type *val) { + if (val) *val = obj; + return SWIG_OK; + } + }; +} +} + +%fragment("PySequence_Base","header") +{ +%#include <functional> + +namespace std { + template <> + struct less <PyObject *>: public binary_function<PyObject *, PyObject *, bool> + { + bool + operator()(PyObject * v, PyObject *w) const + { + bool res; + SWIG_PYTHON_THREAD_BEGIN_BLOCK; + res = PyObject_Compare(v, w) < 0; + SWIG_PYTHON_THREAD_END_BLOCK; + return res; + } + }; + + template <> + struct less <swig::PyObject_ptr>: public binary_function<swig::PyObject_ptr, swig::PyObject_ptr, bool> + { + bool + operator()(const swig::PyObject_ptr& v, const swig::PyObject_ptr& w) const + { + return std::less<PyObject *>()(v, w); + } + }; + + template <> + struct less <swig::PyObject_var>: public binary_function<swig::PyObject_var, swig::PyObject_var, bool> + { + bool + operator()(const swig::PyObject_var& v, const swig::PyObject_var& w) const + { + return std::less<PyObject *>()(v, w); + } + }; + +} + +namespace swig { + template <> struct traits<PyObject *> { + typedef value_category category; + static const char* type_name() { return "PyObject *"; } + }; + + template <> struct traits_asval<PyObject * > { + typedef PyObject * value_type; + static int asval(PyObject *obj, value_type *val) { + if (val) *val = obj; + return SWIG_OK; + } + }; + + template <> + struct traits_check<PyObject *, value_category> { + static bool check(PyObject *) { + return true; + } + }; + + template <> struct traits_from<PyObject *> { + typedef PyObject * value_type; + static PyObject *from(const value_type& val) { + Py_XINCREF(val); + return val; + } + }; + +} + +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("PySequence_Cont","header", + fragment="StdTraits", + fragment="PySequence_Base", + fragment="PySwigIterator_T") +{ +namespace swig +{ + template <class T> + struct PySequence_Ref + { + PySequence_Ref(PyObject* seq, int index) + : _seq(seq), _index(index) + { + } + + operator T () const + { + swig::PyObject_var item = PySequence_GetItem(_seq, _index); + try { + return swig::as<T>(item, true); + } catch (std::exception& e) { + char msg[1024]; + sprintf(msg, "in sequence element %d ", _index); + if (!PyErr_Occurred()) { + %type_error(swig::type_name<T>()); + } + SWIG_Python_AddErrorMsg(msg); + SWIG_Python_AddErrorMsg(e.what()); + throw; + } + } + + PySequence_Ref& operator=(const T& v) + { + PySequence_SetItem(_seq, _index, swig::from<T>(v)); + return *this; + } + + private: + PyObject* _seq; + int _index; + }; + + template <class T> + struct PySequence_ArrowProxy + { + PySequence_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 PySequence_InputIterator + { + typedef PySequence_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; + + PySequence_InputIterator() + { + } + + PySequence_InputIterator(PyObject* seq, int index) + : _seq(seq), _index(index) + { + } + + reference operator*() const + { + return reference(_seq, _index); + } + + PySequence_ArrowProxy<T> + operator->() const { + return PySequence_ArrowProxy<T>(operator*()); + } + + bool operator==(const self& ri) const + { + return (_index == ri._index) && (_seq == ri._seq); + } + + 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: + PyObject* _seq; + difference_type _index; + }; + + template <class T> + struct PySequence_Cont + { + typedef PySequence_Ref<T> reference; + typedef const PySequence_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 PySequence_InputIterator<T, reference> iterator; + typedef PySequence_InputIterator<T, const_reference> const_iterator; + + PySequence_Cont(PyObject* seq) : _seq(0) + { + if (!PySequence_Check(seq)) { + throw std::invalid_argument("a sequence is expected"); + } + _seq = seq; + Py_INCREF(_seq); + } + + ~PySequence_Cont() + { + if (_seq) Py_DECREF(_seq); + } + + size_type size() const + { + return static_cast<size_type>(PySequence_Size(_seq)); + } + + 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::PyObject_var item = PySequence_GetItem(_seq, i); + 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: + PyObject* _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="PySequence_Cont") + iterator, reverse_iterator, const_iterator, const_reverse_iterator { + $result = SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &)), + swig::PySwigIterator::descriptor(),SWIG_POINTER_OWN); + } + %typemap(out,noblock=1,fragment="PySequence_Cont") + std::pair<iterator, iterator>, std::pair<const_iterator, const_iterator> { + $result = PyTuple_New(2); + PyTuple_SetItem($result,0,SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).first), + swig::PySwigIterator::descriptor(),SWIG_POINTER_OWN)); + PyTuple_SetItem($result,1,SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).second), + swig::PySwigIterator::descriptor(),SWIG_POINTER_OWN)); + } + + %fragment("PyPairBoolOutputIterator","header",fragment=SWIG_From_frag(bool),fragment="PySequence_Cont") {} + + %typemap(out,noblock=1,fragment="PyPairBoolOutputIterator") + std::pair<iterator, bool>, std::pair<const_iterator, bool> { + $result = PyTuple_New(2); + PyTuple_SetItem($result,0,SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).first), + swig::PySwigIterator::descriptor(),SWIG_POINTER_OWN)); + PyTuple_SetItem($result,1,SWIG_From(bool)(%static_cast($1,const $type &).second)); + } + + %typemap(in,noblock=1,fragment="PySequence_Cont") + iterator(swig::PySwigIterator *iter = 0, int res), + reverse_iterator(swig::PySwigIterator *iter = 0, int res), + const_iterator(swig::PySwigIterator *iter = 0, int res), + const_reverse_iterator(swig::PySwigIterator *iter = 0, int res) { + res = SWIG_ConvertPtr($input, %as_voidptrptr(&iter), swig::PySwigIterator::descriptor(), 0); + if (!SWIG_IsOK(res) || !iter) { + %argument_fail(SWIG_TypeError, "$type", $symname, $argnum); + } else { + swig::PySwigIterator_T<$type > *iter_t = dynamic_cast<swig::PySwigIterator_T<$type > *>(iter); + if (iter_t) { + $1 = iter_t->get_current(); + } else { + %argument_fail(SWIG_TypeError, "$type", $symname, $argnum); + } + } + } + + %typecheck(%checkcode(ITERATOR),noblock=1,fragment="PySequence_Cont") + iterator, reverse_iterator, const_iterator, const_reverse_iterator { + swig::PySwigIterator *iter = 0; + int res = SWIG_ConvertPtr($input, %as_voidptrptr(&iter), swig::PySwigIterator::descriptor(), 0); + $1 = (SWIG_IsOK(res) && iter && (dynamic_cast<swig::PySwigIterator_T<$type > *>(iter) != 0)); + } + + %fragment("PySequence_Cont"); + + %newobject iterator(PyObject **PYTHON_SELF); + %extend { + swig::PySwigIterator* iterator(PyObject **PYTHON_SELF) { + return swig::make_output_iterator(self->begin(), self->begin(), self->end(), *PYTHON_SELF); + } + + %pythoncode {def __iter__(self): return self.iterator()} + } +#endif //SWIG_EXPORT_ITERATOR_METHODS +%enddef + + +/**** The python container methods ****/ + + +%define %swig_container_methods(Container...) + + %newobject __getslice__; + + %extend { + bool __nonzero__() const { + return !(self->empty()); + } + + size_type __len__() const { + return self->size(); + } + } +%enddef + +%define %swig_sequence_methods_common(Sequence...) + %swig_sequence_iterator(%arg(Sequence)) + %swig_container_methods(%arg(Sequence)) + + %fragment("PySequence_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; + } + + Sequence* __getslice__(difference_type i, difference_type j) throw (std::out_of_range) { + return swig::getslice(self, i, j); + } + + void __setslice__(difference_type i, difference_type j, const Sequence& v) + throw (std::out_of_range, std::invalid_argument) { + swig::setslice(self, i, j, v); + } + + void __delslice__(difference_type i, difference_type j) throw (std::out_of_range) { + swig::delslice(self, i, j); + } + + void __delitem__(difference_type i) throw (std::out_of_range) { + self->erase(swig::getpos(self,i)); + } + } +%enddef + +%define %swig_sequence_methods(Sequence...) + %swig_sequence_methods_common(%arg(Sequence)) + %extend { + const value_type& __getitem__(difference_type i) const throw (std::out_of_range) { + return *(swig::cgetpos(self, i)); + } + + void __setitem__(difference_type i, const value_type& x) throw (std::out_of_range) { + *(swig::getpos(self,i)) = x; + } + + void append(const value_type& x) { + self->push_back(x); + } + } +%enddef + +%define %swig_sequence_methods_val(Sequence...) + %swig_sequence_methods_common(%arg(Sequence)) + %extend { + value_type __getitem__(difference_type i) throw (std::out_of_range) { + return *(swig::cgetpos(self, i)); + } + + void __setitem__(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 + + + +// +// Common fragments +// + +%fragment("StdSequenceTraits","header", + fragment="StdTraits", + fragment="PySequence_Cont") +{ +namespace swig { + template <class PySeq, class Seq> + inline void + assign(const PySeq& pyseq, Seq* seq) { +%#ifdef SWIG_STD_NOASSIGN_STL + typedef typename PySeq::value_type value_type; + typename PySeq::const_iterator it = pyseq.begin(); + for (;it != pyseq.end(); ++it) { + seq->insert(seq->end(),(value_type)(*it)); + } +%#else + seq->assign(pyseq.begin(), pyseq.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(PyObject *obj, sequence **seq) { + if (obj == Py_None || SWIG_Python_GetSwigThis(obj)) { + sequence *p; + if (SWIG_ConvertPtr(obj,(void**)&p, + swig::type_info<sequence>(),0) == SWIG_OK) { + if (seq) *seq = p; + return SWIG_OLDOBJ; + } + } else if (PySequence_Check(obj)) { + try { + PySequence_Cont<value_type> pyseq(obj); + if (seq) { + sequence *pseq = new sequence(); + assign(pyseq, pseq); + *seq = pseq; + return SWIG_NEWOBJ; + } else { + return pyseq.check() ? SWIG_OK : SWIG_ERROR; + } + } catch (std::exception& e) { + if (seq) { + if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, 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 PyObject *from(const sequence& seq) { +#ifdef SWIG_PYTHON_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) { + PyObject *obj = PyTuple_New((int)size); + int i = 0; + for (const_iterator it = seq.begin(); + it != seq.end(); ++it, ++i) { + PyTuple_SetItem(obj,i,swig::from<value_type>(*it)); + } + return obj; + } else { + PyErr_SetString(PyExc_OverflowError,"sequence size not valid in python"); + return NULL; + } + } + }; +} +} |