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/* -----------------------------------------------------------------------------
* director.swg
*
* This file contains support for director classes so that PHP proxy
* methods can be called from C++.
* ----------------------------------------------------------------------------- */
#ifndef SWIG_DIRECTOR_PHP_HEADER_
#define SWIG_DIRECTOR_PHP_HEADER_
#define SWIG_DIRECTOR_CAST(ARG) dynamic_cast<Swig::Director *>(ARG)
#include <string>
#include <exception>
#include <map>
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;
};
class Director {
private:
/* flag indicating whether the object is owned by PHP or C++ */
mutable bool swig_disown_flag;
protected:
// "mutable" so we can get a non-const pointer to it in const methods.
mutable zval swig_self;
typedef std::map<void *, GCItem_var> swig_ownership_map;
mutable swig_ownership_map swig_owner;
public:
Director(zval *self) : swig_disown_flag(false) {
ZVAL_COPY_VALUE(&swig_self, self);
}
~Director() {
if (swig_disown_flag) {
Z_DELREF(swig_self);
}
}
zend_object *swig_get_self() const { return Z_OBJ(swig_self); }
void swig_disown() const {
if (!swig_disown_flag) {
swig_disown_flag = true;
Z_ADDREF(swig_self);
}
}
template <typename Type>
void swig_acquire_ownership(Type *vptr) const {
if (vptr) {
swig_owner[vptr] = new GCItem_T<Type>(vptr);
}
}
void swig_acquire_ownership_obj(void *vptr, int own) const {
if (vptr && own) {
swig_owner[vptr] = new GCItem_Object(own);
}
}
};
/* base class for director exceptions */
class DirectorException : public std::exception {
protected:
std::string swig_msg;
public:
DirectorException(int code, const char *hdr, const char *msg) : swig_msg(hdr) {
if (msg && msg[0]) {
swig_msg += " ";
swig_msg += msg;
}
// Don't replace an already active PHP exception.
if (!EG(exception)) zend_throw_exception(NULL, swig_msg.c_str(), code);
}
virtual ~DirectorException() throw() {
}
const char *what() const throw() {
return swig_msg.c_str();
}
static void raise(int code, const char *hdr, const char *msg) {
throw DirectorException(code, hdr, msg);
}
};
/* attempt to call a pure virtual method via a director method */
class DirectorPureVirtualException : public DirectorException {
public:
DirectorPureVirtualException(const char *msg)
: DirectorException(E_ERROR, "SWIG director pure virtual method called", msg) {
}
static void raise(const char *msg) {
throw DirectorPureVirtualException(msg);
}
};
/* any php exception that occurs during a director method call */
class DirectorMethodException : public DirectorException {
public:
DirectorMethodException()
: DirectorException(E_ERROR, "SWIG director method error", NULL) {
}
DirectorMethodException(const char *msg)
: DirectorException(E_ERROR, "SWIG director method error", msg) {
}
static void raise(const char *msg) {
throw DirectorMethodException(msg);
}
};
}
#endif
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