Doesn't reset the stream pos to 0 in CanRead().

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

diff --git a/include/wx/buffer.h b/include/wx/buffer.h
index 5e107f4bd31c0f489cfc634f54f660108446eeb4..b91a6cfc7831e6ca7c5e4b2f8bb2c17bec9d75ef 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 <string.h> // strdup()
-#include <wchar.h>  // wcsdup()
+#include "wx/wxchar.h"
+
+#include <string.h> // strdup
 
 // ----------------------------------------------------------------------------
 // Special classes for (wide) character strings: they use malloc/free instead
@@ -27,38 +28,96 @@ class wxCharBuffer
 public:
     wxCharBuffer(const char *str)
     {
-        wxASSERT_MSG( str, "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';
+    }
     // no need to check for NULL, free() does it
    ~wxCharBuffer() { free(m_str); }
 
+   wxCharBuffer(const wxCharBuffer& src)
+   {
+     m_str = src.m_str;
+     // no reference count yet...
+     ((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;
+     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, "NULL string in wxWCharBuffer" );
-
-        m_wcs = wcs ? wcsdup(wcs) : (wchar_t *)NULL;
+        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';
     }
 
     // no need to check for NULL, free() does it
    ~wxWCharBuffer() { free(m_wcs); }
 
+   wxWCharBuffer(const wxWCharBuffer& src)
+   {
+     m_wcs = src.m_wcs;
+     // no reference count yet...
+     ((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;
+     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 // ANSI
+    #define wxMB2WXbuf wxChar*
+    #define wxWX2MBbuf wxChar*
+    #define wxWC2WXbuf wxCharBuffer
+    #define wxWX2WCbuf wxWCharBuffer
+#endif // Unicode/ANSI
 
 // ----------------------------------------------------------------------------
 // template class for any kind of data