blob: 9694c6233be443d93481aafb18a81c5107aa2053 [file] [log] [blame]
/* -----------------------------------------------------------------------------
* director.swg
*
* This file contains support for director classes so that Python proxy
* methods can be called from C++.
* ----------------------------------------------------------------------------- */
#ifndef SWIG_DIRECTOR_PYTHON_HEADER_
#define SWIG_DIRECTOR_PYTHON_HEADER_
#include <string>
#include <iostream>
#include <exception>
#include <vector>
#include <map>
/*
Use -DSWIG_PYTHON_DIRECTOR_NO_VTABLE if you don't want to generate a 'virtual
table', and avoid multiple GetAttr calls to retrieve the python
methods.
*/
#ifndef SWIG_PYTHON_DIRECTOR_NO_VTABLE
#ifndef SWIG_PYTHON_DIRECTOR_VTABLE
#define SWIG_PYTHON_DIRECTOR_VTABLE
#endif
#endif
/*
Use -DSWIG_DIRECTOR_NO_UEH if you prefer to avoid the use of the
Undefined Exception Handler provided by swig.
*/
#ifndef SWIG_DIRECTOR_NO_UEH
#ifndef SWIG_DIRECTOR_UEH
#define SWIG_DIRECTOR_UEH
#endif
#endif
/*
Use -DSWIG_DIRECTOR_NORTTI if you prefer to avoid the use of the
native C++ RTTI and dynamic_cast<>. But be aware that directors
could stop working when using this option.
*/
#ifdef SWIG_DIRECTOR_NORTTI
/*
When we don't use the native C++ RTTI, we implement a minimal one
only for Directors.
*/
# ifndef SWIG_DIRECTOR_RTDIR
# define SWIG_DIRECTOR_RTDIR
namespace Swig {
class Director;
SWIGINTERN std::map<void *, Director *>& get_rtdir_map() {
static std::map<void *, Director *> rtdir_map;
return rtdir_map;
}
SWIGINTERNINLINE void set_rtdir(void *vptr, Director *rtdir) {
get_rtdir_map()[vptr] = rtdir;
}
SWIGINTERNINLINE Director *get_rtdir(void *vptr) {
std::map<void *, Director *>::const_iterator pos = get_rtdir_map().find(vptr);
Director *rtdir = (pos != get_rtdir_map().end()) ? pos->second : 0;
return rtdir;
}
}
# endif /* SWIG_DIRECTOR_RTDIR */
# define SWIG_DIRECTOR_CAST(ARG) Swig::get_rtdir(static_cast<void *>(ARG))
# define SWIG_DIRECTOR_RGTR(ARG1, ARG2) Swig::set_rtdir(static_cast<void *>(ARG1), ARG2)
#else
# define SWIG_DIRECTOR_CAST(ARG) dynamic_cast<Swig::Director *>(ARG)
# define SWIG_DIRECTOR_RGTR(ARG1, ARG2)
#endif /* SWIG_DIRECTOR_NORTTI */
extern "C" {
struct swig_type_info;
}
namespace Swig {
/* memory handler */
struct GCItem {
virtual ~GCItem() {}
virtual int get_own() const {
return 0;
}
};
struct GCItem_var {
GCItem_var(GCItem *item = 0) : _item(item) {
}
GCItem_var& operator=(GCItem *item) {
GCItem *tmp = _item;
_item = item;
delete tmp;
return *this;
}
~GCItem_var() {
delete _item;
}
GCItem * operator->() const {
return _item;
}
private:
GCItem *_item;
};
struct GCItem_Object : GCItem {
GCItem_Object(int own) : _own(own) {
}
virtual ~GCItem_Object() {
}
int get_own() const {
return _own;
}
private:
int _own;
};
template <typename Type>
struct GCItem_T : GCItem {
GCItem_T(Type *ptr) : _ptr(ptr) {
}
virtual ~GCItem_T() {
delete _ptr;
}
private:
Type *_ptr;
};
template <typename Type>
struct GCArray_T : GCItem {
GCArray_T(Type *ptr) : _ptr(ptr) {
}
virtual ~GCArray_T() {
delete[] _ptr;
}
private:
Type *_ptr;
};
/* base class for director exceptions */
class DirectorException : public std::exception {
protected:
std::string swig_msg;
public:
DirectorException(PyObject *error, const char *hdr ="", const char *msg ="") : swig_msg(hdr) {
SWIG_PYTHON_THREAD_BEGIN_BLOCK;
if (msg[0]) {
swig_msg += " ";
swig_msg += msg;
}
if (!PyErr_Occurred()) {
PyErr_SetString(error, what());
}
SWIG_PYTHON_THREAD_END_BLOCK;
}
virtual ~DirectorException() throw() {
}
/* Deprecated, use what() instead */
const char *getMessage() const {
return what();
}
const char *what() const throw() {
return swig_msg.c_str();
}
static void raise(PyObject *error, const char *msg) {
throw DirectorException(error, msg);
}
static void raise(const char *msg) {
raise(PyExc_RuntimeError, msg);
}
};
/* type mismatch in the return value from a python method call */
class DirectorTypeMismatchException : public DirectorException {
public:
DirectorTypeMismatchException(PyObject *error, const char *msg="")
: DirectorException(error, "SWIG director type mismatch", msg) {
}
DirectorTypeMismatchException(const char *msg="")
: DirectorException(PyExc_TypeError, "SWIG director type mismatch", msg) {
}
static void raise(PyObject *error, const char *msg) {
throw DirectorTypeMismatchException(error, msg);
}
static void raise(const char *msg) {
throw DirectorTypeMismatchException(msg);
}
};
/* any python exception that occurs during a director method call */
class DirectorMethodException : public DirectorException {
public:
DirectorMethodException(const char *msg = "")
: DirectorException(PyExc_RuntimeError, "SWIG director method error.", msg) {
}
static void raise(const char *msg) {
throw DirectorMethodException(msg);
}
};
/* attempt to call a pure virtual method via a director method */
class DirectorPureVirtualException : public DirectorException {
public:
DirectorPureVirtualException(const char *msg = "")
: DirectorException(PyExc_RuntimeError, "SWIG director pure virtual method called", msg) {
}
static void raise(const char *msg) {
throw DirectorPureVirtualException(msg);
}
};
#if defined(SWIG_PYTHON_THREADS)
/* __THREAD__ is the old macro to activate some thread support */
# if !defined(__THREAD__)
# define __THREAD__ 1
# endif
#endif
#ifdef __THREAD__
# include "pythread.h"
class Guard {
PyThread_type_lock &mutex_;
public:
Guard(PyThread_type_lock & mutex) : mutex_(mutex) {
PyThread_acquire_lock(mutex_, WAIT_LOCK);
}
~Guard() {
PyThread_release_lock(mutex_);
}
};
# define SWIG_GUARD(mutex) Guard _guard(mutex)
#else
# define SWIG_GUARD(mutex)
#endif
/* director base class */
class Director {
private:
/* pointer to the wrapped python object */
PyObject *swig_self;
/* flag indicating whether the object is owned by python or c++ */
mutable bool swig_disown_flag;
/* decrement the reference count of the wrapped python object */
void swig_decref() const {
if (swig_disown_flag) {
SWIG_PYTHON_THREAD_BEGIN_BLOCK;
Py_DECREF(swig_self);
SWIG_PYTHON_THREAD_END_BLOCK;
}
}
public:
/* wrap a python object. */
Director(PyObject *self) : swig_self(self), swig_disown_flag(false) {
}
/* discard our reference at destruction */
virtual ~Director() {
swig_decref();
}
/* return a pointer to the wrapped python object */
PyObject *swig_get_self() const {
return swig_self;
}
/* acquire ownership of the wrapped python object (the sense of "disown" is from python) */
void swig_disown() const {
if (!swig_disown_flag) {
swig_disown_flag=true;
swig_incref();
}
}
/* increase the reference count of the wrapped python object */
void swig_incref() const {
if (swig_disown_flag) {
Py_INCREF(swig_self);
}
}
/* methods to implement pseudo protected director members */
virtual bool swig_get_inner(const char * /* swig_protected_method_name */) const {
return true;
}
virtual void swig_set_inner(const char * /* swig_protected_method_name */, bool /* swig_val */) const {
}
/* ownership management */
private:
typedef std::map<void *, GCItem_var> swig_ownership_map;
mutable swig_ownership_map swig_owner;
#ifdef __THREAD__
static PyThread_type_lock swig_mutex_own;
#endif
public:
template <typename Type>
void swig_acquire_ownership_array(Type *vptr) const {
if (vptr) {
SWIG_GUARD(swig_mutex_own);
swig_owner[vptr] = new GCArray_T<Type>(vptr);
}
}
template <typename Type>
void swig_acquire_ownership(Type *vptr) const {
if (vptr) {
SWIG_GUARD(swig_mutex_own);
swig_owner[vptr] = new GCItem_T<Type>(vptr);
}
}
void swig_acquire_ownership_obj(void *vptr, int own) const {
if (vptr && own) {
SWIG_GUARD(swig_mutex_own);
swig_owner[vptr] = new GCItem_Object(own);
}
}
int swig_release_ownership(void *vptr) const {
int own = 0;
if (vptr) {
SWIG_GUARD(swig_mutex_own);
swig_ownership_map::iterator iter = swig_owner.find(vptr);
if (iter != swig_owner.end()) {
own = iter->second->get_own();
swig_owner.erase(iter);
}
}
return own;
}
template <typename Type>
static PyObject *swig_pyobj_disown(PyObject *pyobj, PyObject *SWIGUNUSEDPARM(args)) {
SwigPyObject *sobj = (SwigPyObject *)pyobj;
sobj->own = 0;
Director *d = SWIG_DIRECTOR_CAST(reinterpret_cast<Type *>(sobj->ptr));
if (d)
d->swig_disown();
return PyWeakref_NewProxy(pyobj, NULL);
}
};
#ifdef __THREAD__
PyThread_type_lock Director::swig_mutex_own = PyThread_allocate_lock();
#endif
}
#endif