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 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __WX_CFSTRINGHOLDER_H__
  13 #define __WX_CFSTRINGHOLDER_H__
  14
  15 #ifdef __DARWIN__
  16     #include <CoreFoundation/CFString.h>
  17 #else
  18     #include <CFString.h>
  19 #endif
  20
  21 #include "wx/fontenc.h"
  22
  23 class WXDLLIMPEXP_BASE wxString;
  24
  25 void wxMacConvertNewlines13To10( char * data ) ;
  26 void wxMacConvertNewlines10To13( char * data ) ;
  27 void wxMacConvertNewlines13To10( wxString *data ) ;
  28 void wxMacConvertNewlines10To13( wxString *data ) ;
  29
  30 #if wxUSE_UNICODE
  31 void wxMacConvertNewlines13To10( wxChar * data ) ;
  32 void wxMacConvertNewlines10To13( wxChar * data ) ;
  33 #endif
  34
  35 wxUint32 wxMacGetSystemEncFromFontEnc(wxFontEncoding encoding) ;
  36 wxFontEncoding wxMacGetFontEncFromSystemEnc(wxUint32 encoding) ;
  37 void wxMacWakeUp() ;
  38
  39 class wxMacCFStringHolder
  40 {
  41 public:
  42     wxMacCFStringHolder()
  43         : m_cfs(NULL) , m_release(false)
  44     {
  45     }
  46
  47     wxMacCFStringHolder(const wxString &str,
  48                         wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  49         : m_cfs(NULL) , m_release(false)
  50     {
  51         Assign( str , encoding ) ;
  52     }
  53
  54     wxMacCFStringHolder(CFStringRef ref , bool release = true )
  55         : m_cfs(ref) , m_release(release)
  56     {
  57     }
  58
  59     ~wxMacCFStringHolder()
  60     {
  61         Release() ;
  62     }
  63
  64     CFStringRef Detach()
  65     {
  66         CFStringRef retval = m_cfs ;
  67         m_release = false ;
  68         m_cfs = NULL ;
  69         return retval ;
  70     }
  71
  72     void Release()
  73     {
  74         if ( m_release && m_cfs)
  75             CFRelease( m_cfs ) ;
  76         m_cfs = NULL ;
  77     }
  78
  79     void Assign(const wxString &str,
  80                 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  81
  82     operator CFStringRef () const { return m_cfs; }
  83     wxString AsString( wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) ;
  84
  85 private:
  86
  87     CFStringRef m_cfs;
  88     bool m_release ;
  89
  90     DECLARE_NO_COPY_CLASS( wxMacCFStringHolder )
  91 } ;
  92
  93 // corresponding class for holding UniChars (native unicode characters)
  94
  95 class wxMacUniCharBuffer
  96 {
  97 public :
  98     wxMacUniCharBuffer( const wxString &str ) ;
  99
 100     ~wxMacUniCharBuffer() ;
 101
 102     UniChar* GetBuffer() ;
 103
 104     UniCharCount GetChars() ;
 105
 106 private :
 107     UniChar* m_ubuf ;
 108     UniCharCount m_chars ;
 109 };
 110 #endif //__WXCFSTRINGHOLDER_H__