git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13679 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			136 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////
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| // Name:        buffer.h
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| // Purpose:     auto buffer classes: buffers which automatically free memory
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| // Author:      Vadim Zeitlin
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| // Modified by:
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| // Created:     12.04.99
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| // RCS-ID:      $Id$
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| // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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| // Licence:     wxWindows license
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| ///////////////////////////////////////////////////////////////////////////////
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| 
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| // these classes are for private use only for now, they're not documented
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| 
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| #ifndef _WX_BUFFER_H
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| #define _WX_BUFFER_H
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| 
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| #include "wx/wxchar.h"
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| 
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| #include <string.h> // strdup
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| 
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| // ----------------------------------------------------------------------------
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| // Special classes for (wide) character strings: they use malloc/free instead
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| // of new/delete
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| // ----------------------------------------------------------------------------
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| 
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| class wxCharBuffer
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| {
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| public:
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|     wxCharBuffer(const char *str)
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|     {
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|         wxASSERT_MSG( str, wxT("NULL string in wxCharBuffer") );
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| 
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|         m_str = str ? wxStrdup(str) : (char *)NULL;
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|     }
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|     wxCharBuffer(size_t len)
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|     {
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|         m_str = (char *)malloc(len+1);
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|         m_str[len] = '\0';
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|     }
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|     // no need to check for NULL, free() does it
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|    ~wxCharBuffer() { free(m_str); }
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| 
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|    wxCharBuffer(const wxCharBuffer& src)
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|    {
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|      m_str = src.m_str;
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|      // no reference count yet...
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|      ((wxCharBuffer*)&src)->m_str = (char *)NULL;
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|    }
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|    wxCharBuffer& operator=(const wxCharBuffer& src)
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|    {
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|      m_str = src.m_str;
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|      // no reference count yet...
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|      ((wxCharBuffer*)&src)->m_str = (char *)NULL;
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|      return *this;
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|    }
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| 
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|    const char *data() const { return m_str; }
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|    operator const char *() const { return m_str; }
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|    char operator[](size_t n) const { return m_str[n]; }
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| 
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| private:
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|    char *m_str;
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| };
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| 
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| #if wxUSE_WCHAR_T
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| class wxWCharBuffer
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| {
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| public:
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|     wxWCharBuffer(const wchar_t *wcs)
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|     {
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|         wxASSERT_MSG( wcs, wxT("NULL string in wxWCharBuffer") );
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| 
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|         if (wcs) {
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| #if ( defined(__BORLANDC__) && (__BORLANDC__ > 0x530) ) \
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|     || ( defined(__MWERKS__) && defined(__WXMSW__) )
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|           size_t siz = (std::wcslen(wcs)+1)*sizeof(wchar_t);
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| #else
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|           size_t siz = (::wcslen(wcs)+1)*sizeof(wchar_t);
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| #endif
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|           m_wcs = (wchar_t *)malloc(siz);
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|           memcpy(m_wcs, wcs, siz);
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|         }
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|         else m_wcs = (wchar_t *)NULL;
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|     }
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|     wxWCharBuffer(size_t len)
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|     {
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|         m_wcs = (wchar_t *)malloc((len+1)*sizeof(wchar_t));
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|         m_wcs[len] = L'\0';
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|     }
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| 
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|     // no need to check for NULL, free() does it
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|    ~wxWCharBuffer() { free(m_wcs); }
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| 
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|    wxWCharBuffer(const wxWCharBuffer& src)
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|    {
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|      m_wcs = src.m_wcs;
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|      // no reference count yet...
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|      ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
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|    }
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|    wxWCharBuffer& operator=(const wxWCharBuffer& src)
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|    {
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|      m_wcs = src.m_wcs;
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|      // no reference count yet...
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|      ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
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|      return *this;
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|    }
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| 
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|    const wchar_t *data() const { return m_wcs; }
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|    operator const wchar_t *() const { return m_wcs; }
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|    wchar_t operator[](size_t n) const { return m_wcs[n]; }
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| 
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| private:
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|    wchar_t *m_wcs;
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| };
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| #endif
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| 
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| #if wxUSE_UNICODE
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|     #define wxMB2WXbuf wxWCharBuffer
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|     #define wxWX2MBbuf wxCharBuffer
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|     #define wxWC2WXbuf wxChar*
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|     #define wxWX2WCbuf wxChar*
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| #else // ANSI
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|     #define wxMB2WXbuf wxChar*
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|     #define wxWX2MBbuf wxChar*
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|     #define wxWC2WXbuf wxCharBuffer
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|     #define wxWX2WCbuf wxWCharBuffer
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| #endif // Unicode/ANSI
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| 
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| // ----------------------------------------------------------------------------
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| // template class for any kind of data
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| // ----------------------------------------------------------------------------
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| 
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| // TODO
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| 
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| #endif // _WX_BUFFER_H
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