src/common/unichar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/unichar.cpp
   3 // Purpose:     wxUniChar and wxUniCharRef classes
   4 // Author:      Vaclav Slavik
   5 // Created:     2007-03-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2007 REA Elektronik GmbH
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ===========================================================================
  12 // headers
  13 // ===========================================================================
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/strconv.h"  // wxConvLibc
  24 #endif
  25
  26 #include "wx/unichar.h"
  27
  28 // ===========================================================================
  29 // implementation
  30 // ===========================================================================
  31
  32 /* static */
  33 wxUniChar::value_type wxUniChar::From8bit(char c)
  34 {
  35     // all supported charsets have the first 128 characters same as ASCII:
  36     if ( (unsigned char)c < 0x80 )
  37         return c;
  38
  39     wchar_t buf[2];
  40     if ( wxConvLibc.ToWChar(buf, 2, &c, 1) != 2 )
  41         return wxT('?'); // FIXME-UTF8: what to use as failure character?
  42     return buf[0];
  43 }
  44
  45 /* static */
  46 char wxUniChar::To8bit(wxUniChar::value_type c)
  47 {
  48     // all supported charsets have the first 128 characters same as ASCII:
  49     if ( c < 0x80 )
  50         return c;
  51
  52     wchar_t in = c;
  53     char buf[2];
  54     if ( wxConvLibc.FromWChar(buf, 2, &in, 1) != 2 )
  55         return '?'; // FIXME-UTF8: what to use as failure character?
  56     return buf[0];
  57 }