include/wx/mac/corefoundation/cfstring.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/mac/corefoundation/cfstring.h
   3 // Purpose:     wxMacCFStringHolder and other string functions
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     2004-10-29 (from code in wx/mac/carbon/private.h)
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 // Usage:       Darwin (base library)
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef __WX_CFSTRINGHOLDER_H__
  14 #define __WX_CFSTRINGHOLDER_H__
  15
  16 #ifdef __DARWIN__
  17     #include <CoreFoundation/CFString.h>
  18 #else
  19     #include <CFString.h>
  20 #endif
  21
  22 #include "wx/dlimpexp.h"
  23 #include "wx/fontenc.h"
  24
  25 class WXDLLIMPEXP_FWD_BASE wxString;
  26
  27 WXDLLIMPEXP_BASE void wxMacConvertNewlines13To10( wxString *data ) ;
  28 WXDLLIMPEXP_BASE void wxMacConvertNewlines10To13( wxString *data ) ;
  29
  30 WXDLLIMPEXP_BASE void wxMacConvertNewlines13To10( char * data ) ;
  31 WXDLLIMPEXP_BASE void wxMacConvertNewlines10To13( char * data ) ;
  32
  33 WXDLLIMPEXP_BASE wxUint32 wxMacGetSystemEncFromFontEnc(wxFontEncoding encoding) ;
  34 WXDLLIMPEXP_BASE wxFontEncoding wxMacGetFontEncFromSystemEnc(wxUint32 encoding) ;
  35 WXDLLIMPEXP_BASE void wxMacWakeUp() ;
  36
  37 class WXDLLIMPEXP_BASE wxMacCFStringHolder
  38 {
  39 public:
  40     wxMacCFStringHolder()
  41         : m_cfs(NULL) , m_release(false)
  42     {
  43     }
  44
  45     wxMacCFStringHolder(const wxString &str,
  46                         wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  47         : m_cfs(NULL) , m_release(false)
  48     {
  49         Assign( str , encoding ) ;
  50     }
  51
  52     wxMacCFStringHolder(CFStringRef ref , bool release = true )
  53         : m_cfs(ref) , m_release(release)
  54     {
  55     }
  56
  57     ~wxMacCFStringHolder()
  58     {
  59         Release() ;
  60     }
  61
  62     CFStringRef Detach()
  63     {
  64         CFStringRef retval = m_cfs ;
  65         m_release = false ;
  66         m_cfs = NULL ;
  67         return retval ;
  68     }
  69
  70     void Release()
  71     {
  72         if ( m_release && m_cfs)
  73             CFRelease( m_cfs ) ;
  74         m_cfs = NULL ;
  75     }
  76
  77     void Assign(const wxString &str,
  78                 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  79
  80     operator CFStringRef () const { return m_cfs; }
  81     wxString AsString( wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) ;
  82
  83 private:
  84
  85     CFStringRef m_cfs;
  86     bool m_release ;
  87
  88     DECLARE_NO_COPY_CLASS( wxMacCFStringHolder )
  89 } ;
  90
  91 // corresponding class for holding UniChars (native unicode characters)
  92
  93 class WXDLLIMPEXP_BASE wxMacUniCharBuffer
  94 {
  95 public :
  96     wxMacUniCharBuffer( const wxString &str ) ;
  97
  98     ~wxMacUniCharBuffer() ;
  99
 100     UniChar* GetBuffer() ;
 101
 102     UniCharCount GetChars() ;
 103
 104 private :
 105     UniChar* m_ubuf ;
 106     UniCharCount m_chars ;
 107 };
 108 #endif //__WXCFSTRINGHOLDER_H__