To make smart pointers a part of library.

["Ilnur Quellendil" <ilnur tut by>]

Title: Letter

Good Day Everybody,

I have an idea, and the idea is, to create a hierarchy of smart poinerts straight into the Gtk header files, the hierarchy that grows together with the hierarchy of objects. Why it's better than using additional C++ libraries? Because such wrappers will always be up-to-date, and also... well, I just like this idea very much.

Now, that's what I meen:

For example, we have:

/* parent.h */
#ifndef __PARENT_H
#define __PARENT_H

#ifdef __cplusplus
extern "C" {
#endif

typedef struct _Parent Parent;

struct _Parent
{
  int X;
};

int Parent_Play(Parent *p, int a);

#ifdef __cplusplus
}
#endif

#endif // __PARENT_H

and

/* child.h */
#ifndef __CHILD_H
#define __CHILD_H

#ifdef __cplusplus
extern "C" {
#endif

typedef struct _Child Child;

struct _Child;
{
  Parent parent;
  int Y;
};

int Child_Sing(Child *c, int a);

#ifdef __cplusplus
}
#endif

#endif // __CHILD_H

And I'd like this files to look like that:

/* parent.h */
#ifndef __PARENT_H
#define __PARENT_H

#ifdef __cplusplus
extern "C" {
#endif

typedef struct _Parent Parent;

struct _Parent
{
  int X;
};

int Parent_Play(Parent *p, int a);

#ifdef __cplusplus
}

#ifndef _PROHIBIT_WRAPPERS_

struct ParentPtr
{
  Parent *ptr;

  ParentPtr() {};
  ParentPtr(Parent *src) { ptr = src; }
  Parent *operator-> () { return ptr; }
  int Play(int a) { return
Parent_Play(ptr, a); }
};

#endif //
_PROHIBIT_WRAPPERS_

#endif // __cplusplus

#endif // __PARENT_H

and

/* child.h */
#ifndef __CHILD_H
#define __CHILD_H

#ifdef __cplusplus
extern "C" {
#endif

typedef struct _Child Child;

struct _Child;
{
  Parent parent;
  int Y;
};

int Child_func(Child *c, int a);

#ifdef __cplusplus
}
#ifndef _PROHIBIT_WRAPPERS_

struct ChildPtr: public ParentPtr
{
  ChildPtr() {};
  ChildPtr(Child *src) { ptr = src; }
  Child *operator-> () { return
reinterpret_cast<Child*>(ptr); }
  int Sing(int a) { return
Child_Sing(reinterpret_cast<Child*>(ptr),
a); }
};

#endif //
_PROHIBIT_WRAPPERS_

#endif // __cplusplus

#endif // __CHILD_H

Also there may be CPP-style typecast functions, namespaces and everything...

Anton A. Bryl.
ilnur tut by

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