added an extremely simple cell attr cache (yet it catches 80% of acccesses)

[wxWidgets.git] / include / wx / buffer.h

diff --git a/include/wx/buffer.h b/include/wx/buffer.h
index f5fc0f9208a8ee45a8f6d0b95e7123d0a3a2a698..9f9eb174b751e409a07ad20283183e2529f18e2d 100644 (file)
--- a/include/wx/buffer.h
+++ b/include/wx/buffer.h
@@ -14,8 +14,9 @@
 #ifndef _WX_BUFFER_H
 #define _WX_BUFFER_H
 
+#include "wx/wxchar.h"
+
 #include <string.h> // strdup
-#include <wchar.h>  // wchar_t
 
 // ----------------------------------------------------------------------------
 // Special classes for (wide) character strings: they use malloc/free instead
@@ -27,14 +28,14 @@ class wxCharBuffer
 public:
     wxCharBuffer(const char *str)
     {
-        wxASSERT_MSG( str, _T("NULL string in wxCharBuffer") );
+        wxASSERT_MSG( str, wxT("NULL string in wxCharBuffer") );
 
         m_str = str ? strdup(str) : (char *)NULL;
     }
     wxCharBuffer(size_t len)
     {
         m_str = (char *)malloc(len+1);
-       m_str[len] = '\0';
+        m_str[len] = '\0';
     }
     // no need to check for NULL, free() does it
    ~wxCharBuffer() { free(m_str); }
@@ -43,37 +44,42 @@ public:
    {
      m_str = src.m_str;
      // no reference count yet...
-     (wxCharBuffer)src.m_str = (char *)NULL;
+     ((wxCharBuffer*)&src)->m_str = (char *)NULL;
    }
    wxCharBuffer& operator=(const wxCharBuffer& src)
    {
      m_str = src.m_str;
      // no reference count yet...
-     (wxCharBuffer)src.m_str = (char *)NULL;
+     ((wxCharBuffer*)&src)->m_str = (char *)NULL;
      return *this;
    }
 
    operator const char *() const { return m_str; }
+   char operator[](size_t n) const { return m_str[n]; }
 
 private:
    char *m_str;
 };
 
+#if wxUSE_WCHAR_T
 class wxWCharBuffer
 {
 public:
     wxWCharBuffer(const wchar_t *wcs)
     {
-        wxASSERT_MSG( wcs, _T("NULL string in wxWCharBuffer") );
-
-        m_wcs = wcs ? (wchar_t *)malloc((wcslen(wcs)+1)*sizeof(wchar_t))
-                   : (wchar_t *)NULL;
-       if (m_wcs) wcscpy(m_wcs, wcs);
+        wxASSERT_MSG( wcs, wxT("NULL string in wxWCharBuffer") );
+
+        if (wcs) {
+          size_t siz = (::wcslen(wcs)+1)*sizeof(wchar_t);
+          m_wcs = (wchar_t *)malloc(siz);
+          memcpy(m_wcs, wcs, siz);
+        }
+        else m_wcs = (wchar_t *)NULL;
     }
     wxWCharBuffer(size_t len)
     {
         m_wcs = (wchar_t *)malloc((len+1)*sizeof(wchar_t));
-       m_wcs[len] = L'\0';
+        m_wcs[len] = L'\0';
     }
 
     // no need to check for NULL, free() does it
@@ -83,33 +89,35 @@ public:
    {
      m_wcs = src.m_wcs;
      // no reference count yet...
-     (wxWCharBuffer)src.m_wcs = (wchar_t *)NULL;
+     ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
    }
    wxWCharBuffer& operator=(const wxWCharBuffer& src)
    {
      m_wcs = src.m_wcs;
      // no reference count yet...
-     (wxWCharBuffer)src.m_wcs = (wchar_t *)NULL;
+     ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
      return *this;
    }
 
    operator const wchar_t *() const { return m_wcs; }
+   wchar_t operator[](size_t n) const { return m_wcs[n]; }
 
 private:
    wchar_t *m_wcs;
 };
+#endif
 
 #if wxUSE_UNICODE
-#define wxMB2WXbuf wxWCharBuffer
-#define wxWX2MBbuf wxCharBuffer
-#define wxWC2WXbuf wxChar*
-#define wxWX2WCbuf wxChar*
-#else
-#define wxMB2WXbuf wxChar*
-#define wxWX2MBbuf wxChar*
-#define wxWC2WXbuf wxCharBuffer
-#define wxWX2WCbuf wxWCharBuffer
-#endif
+    #define wxMB2WXbuf wxWCharBuffer
+    #define wxWX2MBbuf wxCharBuffer
+    #define wxWC2WXbuf wxChar*
+    #define wxWX2WCbuf wxChar*
+#else // ANSI
+    #define wxMB2WXbuf wxChar*
+    #define wxWX2MBbuf wxChar*
+    #define wxWC2WXbuf wxCharBuffer
+    #define wxWX2WCbuf wxWCharBuffer
+#endif // Unicode/ANSI
 
 // ----------------------------------------------------------------------------
 // template class for any kind of data