]> git.saurik.com Git - wxWidgets.git/blobdiff - include/wx/ptr_scpd.h
remove unused variable assignment, closes #14928
[wxWidgets.git] / include / wx / ptr_scpd.h
index d0a24daec3bbfed9e1fb7227c9d807ef4e5c881e..ce8d7819c87981d1413799897fdf9bf2361fc4fa 100644 (file)
-/////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
 // Name:        wx/ptr_scpd.h
-// Purpose:     scoped smart pointer class
-// Author:      Jesse Lovelace <jllovela@eos.ncsu.edu>
-// Modified by:
-// Created:     06/01/02
+// Purpose:     compatibility wrapper for wxScoped{Ptr,Array}
+// Author:      Vadim Zeitlin
+// Created:     2009-02-03
 // RCS-ID:      $Id$
-// Copyright:   (c) Jesse Lovelace and original Boost authors (see below)
+// Copyright:   (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
 // Licence:     wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-//  This class closely follows the implementation of the boost
-//  library scoped_ptr and is an adaption for c++ macro's in 
-//  the wxWindows project. The original authors of the boost
-//  scoped_ptr are given below with their respective copyrights.
-
-//  (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
-//  Copyright (c) 2001, 2002 Peter Dimov
-//
-//  Permission to copy, use, modify, sell and distribute this software
-//  is granted provided this copyright notice appears in all copies.
-//  This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
-//
-//  See http://www.boost.org/libs/smart_ptr/scoped_ptr.htm for documentation.
-//
-
-#ifndef __WX_SCOPED_POINTER__
-#define __WX_SCOPED_POINTER__
-
-#include "wx/defs.h"
-
-/*
-   checked deleters are used to make sure that the type being deleted is really
-   a complete type.: otherwise sizeof() would result in a compile-time error
-
-   do { ... } while ( 0 ) construct is used to have an anonymous scope
-   (otherwise we could have name clashes between different "complete"s) but
-   still force a semicolon after the macro
-*/
-
-#define wxCHECKED_DELETE(ptr)                                                 \
-    do                                                                        \
-    {                                                                         \
-        typedef char complete[sizeof(*ptr)];                                  \
-        delete ptr;                                                           \
-    } while ( 0 )
-
-#define wxCHECKED_DELETE_ARRAY(ptr)                                           \
-    do                                                                        \
-    {                                                                         \
-        typedef char complete[sizeof(*ptr)];                                  \
-        delete [] ptr;                                                        \
-    } while ( 0 )
-
-/* These scoped pointers are *not* assignable and cannot be used
-   within a container.  Look for wxDECLARE_SHARED_PTR for this
-   functionality.
-
-   In addition, the type being used *must* be complete at the time
-   that wxDEFINE_SCOPED_* is called or a compiler error will result.
-   This is because the class checks for the completeness of the type
-   being used.
-*/
-
-
-#define wxDECLARE_SCOPED_PTR(T, name) \
-class name                          \
-{                                   \
-private:                            \
-    T * m_ptr;                      \
-                                    \
-    name(name const &);             \
-    name & operator=(name const &); \
-                                    \
-public:                             \
-    wxEXPLICIT name(T * ptr = NULL) \
-    : m_ptr(ptr) { }                \
-                                    \
-    ~name();                        \
-                                    \
-    void reset(T * ptr = NULL)      \
-    {                               \
-        if (m_ptr != ptr)           \
-        {                           \
-            delete m_ptr;           \
-            m_ptr = ptr;            \
-        }                           \
-    }                               \
-                                    \
-    T *release()                    \
-    {                               \
-        T *ptr = m_ptr;             \
-        m_ptr = NULL;               \
-        return ptr;                 \
-    }                               \
-                                    \
-    T & operator*() const           \
-    {                               \
-        wxASSERT(m_ptr != NULL);    \
-        return *m_ptr;              \
-    }                               \
-                                    \
-    T * operator->() const          \
-    {                               \
-        wxASSERT(m_ptr != NULL);    \
-        return m_ptr;               \
-    }                               \
-                                    \
-    T * get() const                 \
-    {                               \
-        return m_ptr;               \
-    }                               \
-                                    \
-    void swap(name & ot)            \
-    {                               \
-        T * tmp = ot.m_ptr;         \
-        ot.m_ptr = m_ptr;           \
-        m_ptr = tmp;                \
-    }                               \
-};
-
-#define wxDEFINE_SCOPED_PTR(T, name)\
-name::~name()                       \
-{                                   \
-    wxCHECKED_DELETE(m_ptr);        \
-}
-
-// this macro can be used for the most common case when you want to declare and
-// define the scoped pointer at the same time and want to use the standard
-// naming convention: auto pointer to Foo is called FooPtr
-#define wxDEFINE_SCOPED_PTR_TYPE(T)                                           \
-    wxDECLARE_SCOPED_PTR(T, T ## Ptr);                                        \
-    wxDEFINE_SCOPED_PTR(T, T ## Ptr)
-
-// the same but for arrays instead of simple pointers
-#define wxDECLARE_SCOPED_ARRAY(T, name)\
-class name                          \
-{                                   \
-private:                            \
-    T * m_ptr;                      \
-    name(name const &);             \
-    name & operator=(name const &); \
-                                    \
-public:                             \
-    wxEXPLICIT name(T * p = NULL) : m_ptr(p) \
-    {}                              \
-                                    \
-    ~name();                        \
-    void reset(T * p = NULL);       \
-                                    \
-    T & operator[](long int i) const\
-    {                               \
-        wxASSERT(m_ptr != NULL);    \
-        wxASSERT(i >= 0);           \
-        return m_ptr[i];            \
-    }                               \
-                                    \
-    T * get() const                 \
-    {                               \
-        return m_ptr;               \
-    }                               \
-                                    \
-    void swap(name & ot)            \
-    {                               \
-        T * tmp = ot.m_ptr;         \
-        ot.m_ptr = m_ptr;           \
-        m_ptr = tmp;                \
-    }                               \
-};
-
-#define wxDEFINE_SCOPED_ARRAY(T, name)  \
-name::~name()                           \
-{                                       \
-    wxCHECKED_DELETE_ARRAY(m_ptr);      \
-}                                       \
-void name::reset(T * p){                \
-    if (m_ptr != p)                     \
-    {                                   \
-       wxCHECKED_DELETE_ARRAY(m_ptr);   \
-       m_ptr = p;                       \
-    }                                   \
-}
-
-// ----------------------------------------------------------------------------
-// "Tied" scoped pointer: same as normal one but also sets the value of
-//                        some other variable to the pointer value
-// ----------------------------------------------------------------------------
-
-#define wxDEFINE_TIED_SCOPED_PTR_TYPE(T)                                      \
-    wxDEFINE_SCOPED_PTR_TYPE(T);                                              \
-    class T ## TiedPtr : public T ## Ptr                                      \
-    {                                                                         \
-    public:                                                                   \
-        T ## TiedPtr(T **pp, T *p)                                            \
-            : T ## Ptr(p), m_pp(pp)                                           \
-        {                                                                     \
-            m_pOld = *pp;                                                     \
-            *pp = p;                                                          \
-        }                                                                     \
-                                                                              \
-        ~ T ## TiedPtr()                                                      \
-        {                                                                     \
-            *m_pp = m_pOld;                                                   \
-        }                                                                     \
-                                                                              \
-    private:                                                                  \
-        T **m_pp;                                                             \
-        T *m_pOld;                                                            \
-    }
-
-#endif // __WX_SCOPED_POINTER__
+///////////////////////////////////////////////////////////////////////////////
 
+// do not include this file in any new code, include either wx/scopedptr.h or
+// wx/scopedarray.h (or both) instead
+#include "wx/scopedarray.h"
+#include "wx/scopedptr.h"