simplifying native string handling, see #11061

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

diff --git a/include/wx/strvararg.h b/include/wx/strvararg.h
index b7a1a19d865995dfc37ce303d1c72516334e9b85..29b4ae041bfa3b037ee2e5a99d308fb5715780f1 100644 (file)
--- a/include/wx/strvararg.h
+++ b/include/wx/strvararg.h
@@ -128,16 +128,16 @@ class WXDLLIMPEXP_BASE wxFormatString
 {
 public:
     wxFormatString(const char *str)
-        : m_char(wxCharBuffer::CreateNonOwned(str)), m_str(NULL), m_cstr(NULL) {}
+        : m_char(wxScopedCharBuffer::CreateNonOwned(str)), m_str(NULL), m_cstr(NULL) {}
     wxFormatString(const wchar_t *str)
-        : m_wchar(wxWCharBuffer::CreateNonOwned(str)), m_str(NULL), m_cstr(NULL) {}
+        : m_wchar(wxScopedWCharBuffer::CreateNonOwned(str)), m_str(NULL), m_cstr(NULL) {}
     wxFormatString(const wxString& str)
         : m_str(&str), m_cstr(NULL) {}
     wxFormatString(const wxCStrData& str)
         : m_str(NULL), m_cstr(&str) {}
-    wxFormatString(const wxCharBuffer& str)
+    wxFormatString(const wxScopedCharBuffer& str)
         : m_char(str), m_str(NULL), m_cstr(NULL)  {}
-    wxFormatString(const wxWCharBuffer& str)
+    wxFormatString(const wxScopedWCharBuffer& str)
         : m_wchar(str), m_str(NULL), m_cstr(NULL) {}
 
 
@@ -154,32 +154,36 @@ public:
     // n-th variadic argument desired representation
     ArgumentType GetArgumentType(unsigned n) const;
 
+    // returns the value passed to ctor, only converted to wxString, similarly
+    // to other InputAsXXX() methods
+    wxString InputAsString() const;
+
 #if !wxUSE_UNICODE_WCHAR
     operator const char*() const
-        { return wx_const_cast(wxFormatString*, this)->AsChar(); }
+        { return const_cast<wxFormatString*>(this)->AsChar(); }
 private:
-    // InputAsChar() returns the value converted passed to ctor, only converted
+    // InputAsChar() returns the value passed to ctor, only converted
     // to char, while AsChar() takes the the string returned by InputAsChar()
     // and does format string conversion on it as well (and similarly for
     // ..AsWChar() below)
     const char* InputAsChar();
     const char* AsChar();
-    wxCharBuffer m_convertedChar;
+    wxScopedCharBuffer m_convertedChar;
 #endif // !wxUSE_UNICODE_WCHAR
 
 #if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
 public:
     operator const wchar_t*() const
-        { return wx_const_cast(wxFormatString*, this)->AsWChar(); }
+        { return const_cast<wxFormatString*>(this)->AsWChar(); }
 private:
     const wchar_t* InputAsWChar();
     const wchar_t* AsWChar();
-    wxWCharBuffer m_convertedWChar;
+    wxScopedWCharBuffer m_convertedWChar;
 #endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
 
 private:
-    wxCharBuffer  m_char;
-    wxWCharBuffer m_wchar;
+    wxScopedCharBuffer  m_char;
+    wxScopedWCharBuffer m_wchar;
 
     // NB: we can use a pointer here, because wxFormatString is only used
     //     as function argument, so it has shorter life than the string
@@ -187,7 +191,7 @@ private:
     const wxString * const m_str;
     const wxCStrData * const m_cstr;
 
-    DECLARE_NO_ASSIGN_CLASS(wxFormatString)
+    wxDECLARE_NO_ASSIGN_CLASS(wxFormatString);
 };
 
 // these two helper classes are used to find wxFormatString argument among fixed
@@ -235,6 +239,14 @@ template<>
 struct wxFormatStringArgumentFinder<wxString>
     : public wxFormatStringArgumentFinder<const wxString&> {};
 
+template<>
+struct wxFormatStringArgumentFinder<wxScopedCharBuffer>
+    : public wxFormatStringArgumentFinder<const wxScopedCharBuffer&> {};
+
+template<>
+struct wxFormatStringArgumentFinder<wxScopedWCharBuffer>
+    : public wxFormatStringArgumentFinder<const wxScopedWCharBuffer&> {};
+
 template<>
 struct wxFormatStringArgumentFinder<wxCharBuffer>
     : public wxFormatStringArgumentFinder<const wxCharBuffer&> {};
@@ -310,7 +322,7 @@ struct wxArgNormalizerWchar : public wxArgNormalizer<T>
 template<typename CharType>
 struct wxArgNormalizerWithBuffer
 {
-    typedef wxCharTypeBuffer<CharType> CharBuffer;
+    typedef wxScopedCharTypeBuffer<CharType> CharBuffer;
 
     wxArgNormalizerWithBuffer() {}
     wxArgNormalizerWithBuffer(const CharBuffer& buf,
@@ -405,12 +417,12 @@ struct wxArgNormalizerUtf8<const char*>
     {
         if ( wxLocaleIsUtf8 )
         {
-            m_value = wxCharBuffer::CreateNonOwned(s);
+            m_value = wxScopedCharBuffer::CreateNonOwned(s);
         }
         else
         {
             // convert to widechar string first:
-            wxWCharBuffer buf(wxConvLibc.cMB2WC(s));
+            wxScopedWCharBuffer buf(wxConvLibc.cMB2WC(s));
 
             // then to UTF-8:
             if ( buf )
@@ -481,6 +493,10 @@ WX_ARG_NORMALIZER_FORWARD(char*, const char*);
 WX_ARG_NORMALIZER_FORWARD(wchar_t*, const wchar_t*);
 
 // versions for passing wx[W]CharBuffer:
+WX_ARG_NORMALIZER_FORWARD(wxScopedCharBuffer, const char*);
+WX_ARG_NORMALIZER_FORWARD(const wxScopedCharBuffer&, const char*);
+WX_ARG_NORMALIZER_FORWARD(wxScopedWCharBuffer, const wchar_t*);
+WX_ARG_NORMALIZER_FORWARD(const wxScopedWCharBuffer&, const wchar_t*);
 WX_ARG_NORMALIZER_FORWARD(wxCharBuffer, const char*);
 WX_ARG_NORMALIZER_FORWARD(const wxCharBuffer&, const char*);
 WX_ARG_NORMALIZER_FORWARD(wxWCharBuffer, const wchar_t*);
@@ -564,7 +580,7 @@ struct wxArgNormalizerNarrowChar
         // FIXME-UTF8: which one is better default in absence of fmt string
         //             (i.e. when used like e.g. Foo("foo", "bar", 'c', NULL)?
         if ( !fmt || fmt->GetArgumentType(index) == wxFormatString::Arg_Char )
-            m_value = wxUniChar(value).GetValue();
+            m_value = wx_truncate_cast(T, wxUniChar(value).GetValue());
         else
             m_value = value;
     }