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/* -----------------------------------------------------------------------------
* director.swg
*
* This file contains support for director classes so that Go proxy
* methods can be called from C++.
* ----------------------------------------------------------------------------- */
#include <exception>
#include <map>
namespace Swig {
class DirectorException : public std::exception {
};
}
/* Handle memory management for directors. */
namespace {
struct GCItem {
virtual ~GCItem() {}
};
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->() {
return _item;
}
private:
GCItem *_item;
};
template <typename Type>
struct GCItem_T : GCItem {
GCItem_T(Type *ptr) : _ptr(ptr) {
}
virtual ~GCItem_T() {
delete _ptr;
}
private:
Type *_ptr;
};
}
class Swig_memory {
public:
template <typename Type>
void swig_acquire_pointer(Type* vptr) {
if (vptr) {
swig_owner[vptr] = new GCItem_T<Type>(vptr);
}
}
private:
typedef std::map<void *, GCItem_var> swig_ownership_map;
swig_ownership_map swig_owner;
};
template <typename Type>
static void swig_acquire_pointer(Swig_memory** pmem, Type* ptr) {
if (!pmem) {
*pmem = new Swig_memory;
}
(*pmem)->swig_acquire_pointer(ptr);
}
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