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