include/wx/buffer.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        buffer.h
   3 // Purpose:     auto buffer classes: buffers which automatically free memory
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     12.04.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // these classes are for private use only for now, they're not documented
  13
  14 #ifndef _WX_BUFFER_H
  15 #define _WX_BUFFER_H
  16
  17 #include <string.h> // strdup()
  18 #include <wchar.h>  // wcsdup()
  19
  20 // ----------------------------------------------------------------------------
  21 // Special classes for (wide) character strings: they use malloc/free instead
  22 // of new/delete
  23 // ----------------------------------------------------------------------------
  24
  25 class wxCharBuffer
  26 {
  27 public:
  28     wxCharBuffer(const char *str)
  29     {
  30         wxASSERT_MSG( str, "NULL string in wxCharBuffer" );
  31
  32         m_str = str ? strdup(str) : (char *)NULL;
  33     }
  34
  35     // no need to check for NULL, free() does it
  36    ~wxCharBuffer() { free(m_str); }
  37
  38    operator const char *() const { return m_str; }
  39
  40 private:
  41    char *m_str;
  42 };
  43
  44 class wxWCharBuffer
  45 {
  46 public:
  47     wxWCharBuffer(const wchar_t *wcs)
  48     {
  49         wxASSERT_MSG( wcs, "NULL string in wxWCharBuffer" );
  50
  51         m_wcs = wcs ? wcsdup(wcs) : (wchar_t *)NULL;
  52     }
  53
  54     // no need to check for NULL, free() does it
  55    ~wxWCharBuffer() { free(m_wcs); }
  56
  57    operator const wchar_t *() const { return m_wcs; }
  58
  59 private:
  60    wchar_t *m_wcs;
  61 };
  62
  63 // ----------------------------------------------------------------------------
  64 // template class for any kind of data
  65 // ----------------------------------------------------------------------------
  66
  67 // TODO
  68
  69 #endif // _WX_BUFFER_H