Don't mention non-existent setup.exe in wxMSW installation notes.

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

diff --git a/include/wx/strvararg.h b/include/wx/strvararg.h
index c1aa0364f64f65c8a3b3335a6d2b479a9778afef..db91346e675b0f576c30fb691e9185b5413ecb49 100644 (file)
--- a/include/wx/strvararg.h
+++ b/include/wx/strvararg.h
@@ -18,12 +18,22 @@
 
 #include "wx/cpp.h"
 #include "wx/chartype.h"
 
 #include "wx/cpp.h"
 #include "wx/chartype.h"

-#include "wx/wxcrt.h"

 #include "wx/strconv.h"
 #include "wx/buffer.h"
 #include "wx/strconv.h"
 #include "wx/buffer.h"

+#include "wx/unichar.h"
+
+#if defined(HAVE_TYPE_TRAITS)
+    #include <type_traits>
+#elif defined(HAVE_TR1_TYPE_TRAITS)
+    #ifdef __VISUALC__
+        #include <type_traits>
+    #else
+        #include <tr1/type_traits>
+    #endif
+#endif

 
 

-class WXDLLIMPEXP_BASE wxCStrData;
-class WXDLLIMPEXP_BASE wxString;
+class WXDLLIMPEXP_FWD_BASE wxCStrData;
+class WXDLLIMPEXP_FWD_BASE wxString;

 
 // ----------------------------------------------------------------------------
 // WX_DEFINE_VARARG_FUNC* macros
 
 // ----------------------------------------------------------------------------
 // WX_DEFINE_VARARG_FUNC* macros


@@ -47,6 +57,11 @@ class WXDLLIMPEXP_BASE wxString;
 //   * wchar_t* if wxUSE_UNICODE_WCHAR or if wxUSE_UNICODE_UTF8 and the current
 //     locale is not UTF-8
 //
 //   * wchar_t* if wxUSE_UNICODE_WCHAR or if wxUSE_UNICODE_UTF8 and the current
 //     locale is not UTF-8
 //

+// Note that wxFormatString *must* be used for the format parameter of these
+// functions, otherwise the implementation won't work correctly. Furthermore,
+// it must be passed by value, not reference, because it's modified by the
+// vararg templates internally.
+//

 // Parameters:
 // [ there are examples in square brackets showing values of the parameters
 //   for the wxFprintf() wrapper for fprintf() function with the following
 // Parameters:
 // [ there are examples in square brackets showing values of the parameters
 //   for the wxFprintf() wrapper for fprintf() function with the following


@@ -111,67 +126,328 @@ class WXDLLIMPEXP_BASE wxString;
 // wxFormatString
 // ----------------------------------------------------------------------------
 
 // wxFormatString
 // ----------------------------------------------------------------------------
 

-// This class should be used for format string argument of the functions
+// This class must be used for format string argument of the functions

 // defined using WX_DEFINE_VARARG_FUNC_* macros. It converts the string to
 // char* or wchar_t* for passing to implementation function efficiently (i.e.
 // without keeping the converted string in memory for longer than necessary,
 // defined using WX_DEFINE_VARARG_FUNC_* macros. It converts the string to
 // char* or wchar_t* for passing to implementation function efficiently (i.e.
 // without keeping the converted string in memory for longer than necessary,

-// like c_str())
+// like c_str()). It also converts format string to the correct form that
+// accounts for string changes done by wxArgNormalizer<>

 //
 // Note that this class can _only_ be used for function arguments!
 class WXDLLIMPEXP_BASE wxFormatString
 {
 public:
     wxFormatString(const char *str)
 //
 // Note that this class can _only_ be used for function arguments!
 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)
     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 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)  {}
         : 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) {}
 
         : m_wchar(str), m_str(NULL), m_cstr(NULL) {}
 

+    // Possible argument types. These are or-combinable for wxASSERT_ARG_TYPE
+    // convenience. Some of the values are or-combined with another value, this
+    // expresses "supertypes" for use with wxASSERT_ARG_TYPE masks. For example,
+    // a char* string is also a pointer and an integer is also a char.
+    enum ArgumentType
+    {
+        Arg_Char        = 0x0001,    // character as char %c
+        Arg_Pointer     = 0x0002,    // %p
+        Arg_String      = 0x0004 | Arg_Pointer, // any form of string (%s and %p too)
+
+        Arg_Int         = 0x0008 | Arg_Char, // (ints can be used with %c)
+#if SIZEOF_INT == SIZEOF_LONG
+        Arg_LongInt     = Arg_Int,
+#else
+        Arg_LongInt     = 0x0010,
+#endif
+#if defined(SIZEOF_LONG_LONG) && SIZEOF_LONG_LONG == SIZEOF_LONG
+        Arg_LongLongInt = Arg_LongInt,
+#elif defined(wxLongLong_t)
+        Arg_LongLongInt = 0x0020,
+#endif
+
+        Arg_Double      = 0x0040,
+        Arg_LongDouble  = 0x0080,
+
+#if defined(wxSIZE_T_IS_UINT)
+        Arg_Size_t      = Arg_Int,
+#elif defined(wxSIZE_T_IS_ULONG)
+        Arg_Size_t      = Arg_LongInt,
+#elif defined(SIZEOF_LONG_LONG) && SIZEOF_SIZE_T == SIZEOF_LONG_LONG
+        Arg_Size_t      = Arg_LongLongInt,
+#else
+        Arg_Size_t      = 0x0100,
+#endif
+
+        Arg_IntPtr      = 0x0200,    // %n -- store # of chars written
+        Arg_ShortIntPtr = 0x0400,
+        Arg_LongIntPtr  = 0x0800,
+
+        Arg_Unknown     = 0x8000     // unrecognized specifier (likely error)
+    };
+
+    // returns the type of format specifier for n-th variadic argument (this is
+    // not necessarily n-th format specifier if positional specifiers are used);
+    // called by wxArgNormalizer<> specializations to get information about
+    // 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
 #if !wxUSE_UNICODE_WCHAR
     operator const char*() const

-        { return wx_const_cast(wxFormatString*, this)->AsChar(); }
+        { return const_cast<wxFormatString*>(this)->AsChar(); }

 private:
 private:

+    // 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();
     const char* AsChar();

+    wxScopedCharBuffer m_convertedChar;

 #endif // !wxUSE_UNICODE_WCHAR
 
 #if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
 public:
     operator const wchar_t*() const
 #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:
 private:

+    const wchar_t* InputAsWChar();

     const wchar_t* AsWChar();
     const wchar_t* AsWChar();

+    wxScopedWCharBuffer m_convertedWChar;

 #endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
 
 private:
 #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
     //     passed to the ctor
     const wxString * const m_str;
     const wxCStrData * const m_cstr;
 
     // NB: we can use a pointer here, because wxFormatString is only used
     //     as function argument, so it has shorter life than the string
     //     passed to the ctor
     const wxString * const m_str;
     const wxCStrData * const m_cstr;
 

-    DECLARE_NO_COPY_CLASS(wxFormatString)
+    wxDECLARE_NO_ASSIGN_CLASS(wxFormatString);
+};
+
+// these two helper classes are used to find wxFormatString argument among fixed
+// arguments passed to a vararg template
+struct wxFormatStringArgument
+{
+    wxFormatStringArgument(const wxFormatString *s = NULL) : m_str(s) {}
+    const wxFormatString *m_str;
+
+    // overriding this operator allows us to reuse _WX_VARARG_JOIN macro
+    wxFormatStringArgument operator,(const wxFormatStringArgument& a) const
+    {
+        wxASSERT_MSG( m_str == NULL || a.m_str == NULL,
+                      "can't have two format strings in vararg function" );
+        return wxFormatStringArgument(m_str ? m_str : a.m_str);
+    }
+
+    operator const wxFormatString*() const { return m_str; }

 };
 
 };
 

+template<typename T>
+struct wxFormatStringArgumentFinder
+{
+    static wxFormatStringArgument find(T)
+    {
+        // by default, arguments are not format strings, so return "not found"
+        return wxFormatStringArgument();
+    }
+};
+
+template<>
+struct wxFormatStringArgumentFinder<const wxFormatString&>
+{
+    static wxFormatStringArgument find(const wxFormatString& arg)
+        { return wxFormatStringArgument(&arg); }
+};
+
+template<>
+struct wxFormatStringArgumentFinder<wxFormatString>
+    : public wxFormatStringArgumentFinder<const wxFormatString&> {};
+
+// avoid passing big objects by value to wxFormatStringArgumentFinder::find()
+// (and especially wx[W]CharBuffer with its auto_ptr<> style semantics!):
+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&> {};
+
+template<>
+struct wxFormatStringArgumentFinder<wxWCharBuffer>
+    : public wxFormatStringArgumentFinder<const wxWCharBuffer&> {};
+
+

 // ----------------------------------------------------------------------------
 // wxArgNormalizer*<T> converters
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxArgNormalizer*<T> converters
 // ----------------------------------------------------------------------------
 

+#if wxDEBUG_LEVEL
+    // Check that the format specifier for index-th argument in 'fmt' has
+    // the correct type (one of wxFormatString::Arg_XXX or-combination in
+    // 'expected_mask').
+    #define wxASSERT_ARG_TYPE(fmt, index, expected_mask)                    \
+        do                                                                  \
+        {                                                                   \
+            if ( !fmt )                                                     \
+                break;                                                      \
+            const int argtype = fmt->GetArgumentType(index);                \
+            wxASSERT_MSG( (argtype & (expected_mask)) == argtype,           \
+                          "format specifier doesn't match argument type" ); \
+        } while ( wxFalse )
+#else
+    #define wxASSERT_ARG_TYPE(fmt, index, expected_mask)
+#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
+
+
+#if defined(HAVE_TYPE_TRAITS) || defined(HAVE_TR1_TYPE_TRAITS)
+
+// Note: this type is misnamed, so that the error message is easier to
+// understand (no error happens for enums, because the IsEnum=true case is
+// specialized).
+template<bool IsEnum>
+struct wxFormatStringSpecifierNonPodType {};
+
+template<>
+struct wxFormatStringSpecifierNonPodType<true>
+{
+    enum { value = wxFormatString::Arg_Int };
+};
+
+template<typename T>
+struct wxFormatStringSpecifier
+{
+#ifdef HAVE_TYPE_TRAITS
+    typedef std::is_enum<T> is_enum;
+#elif defined HAVE_TR1_TYPE_TRAITS
+    typedef std::tr1::is_enum<T> is_enum;
+#endif
+    enum { value = wxFormatStringSpecifierNonPodType<is_enum::value>::value };
+};
+
+#else // !HAVE_(TR1_)TYPE_TRAITS
+
+template<typename T>
+struct wxFormatStringSpecifier
+{
+    // We can't detect enums without is_enum, so the only thing we can
+    // do is to accept unknown types. However, the only acceptable unknown
+    // types still are enums, which are promoted to ints, so return Arg_Int
+    // here. This will at least catch passing of non-POD types through ... at
+    // runtime.
+    //
+    // Furthermore, if the compiler doesn't have partial template
+    // specialization, we didn't cover pointers either.
+#ifdef HAVE_PARTIAL_SPECIALIZATION
+    enum { value = wxFormatString::Arg_Int };
+#else
+    enum { value = wxFormatString::Arg_Int | wxFormatString::Arg_Pointer };
+#endif
+};
+
+#endif // HAVE_TR1_TYPE_TRAITS/!HAVE_TR1_TYPE_TRAITS
+
+
+#ifdef HAVE_PARTIAL_SPECIALIZATION
+template<typename T>
+struct wxFormatStringSpecifier<T*>
+{
+    enum { value = wxFormatString::Arg_Pointer };
+};
+
+template<typename T>
+struct wxFormatStringSpecifier<const T*>
+{
+    enum { value = wxFormatString::Arg_Pointer };
+};
+#endif // !HAVE_PARTIAL_SPECIALIZATION
+
+
+#define wxFORMAT_STRING_SPECIFIER(T, arg)                                   \
+    template<> struct wxFormatStringSpecifier<T>                            \
+    {                                                                       \
+        enum { value = arg };                                               \
+    };
+
+wxFORMAT_STRING_SPECIFIER(bool, wxFormatString::Arg_Int)
+wxFORMAT_STRING_SPECIFIER(int, wxFormatString::Arg_Int)
+wxFORMAT_STRING_SPECIFIER(unsigned int, wxFormatString::Arg_Int)
+wxFORMAT_STRING_SPECIFIER(short int, wxFormatString::Arg_Int)
+wxFORMAT_STRING_SPECIFIER(short unsigned int, wxFormatString::Arg_Int)
+wxFORMAT_STRING_SPECIFIER(long int, wxFormatString::Arg_LongInt)
+wxFORMAT_STRING_SPECIFIER(long unsigned int, wxFormatString::Arg_LongInt)
+#ifdef wxLongLong_t
+wxFORMAT_STRING_SPECIFIER(wxLongLong_t, wxFormatString::Arg_LongLongInt)
+wxFORMAT_STRING_SPECIFIER(wxULongLong_t, wxFormatString::Arg_LongLongInt)
+#endif
+wxFORMAT_STRING_SPECIFIER(float, wxFormatString::Arg_Double)
+wxFORMAT_STRING_SPECIFIER(double, wxFormatString::Arg_Double)
+wxFORMAT_STRING_SPECIFIER(long double, wxFormatString::Arg_LongDouble)
+
+#if wxWCHAR_T_IS_REAL_TYPE
+wxFORMAT_STRING_SPECIFIER(wchar_t, wxFormatString::Arg_Char | wxFormatString::Arg_Int)
+#endif
+
+#if !wxUSE_UNICODE
+wxFORMAT_STRING_SPECIFIER(char, wxFormatString::Arg_Char | wxFormatString::Arg_Int)
+wxFORMAT_STRING_SPECIFIER(signed char, wxFormatString::Arg_Char | wxFormatString::Arg_Int)
+wxFORMAT_STRING_SPECIFIER(unsigned char, wxFormatString::Arg_Char | wxFormatString::Arg_Int)
+#endif
+
+wxFORMAT_STRING_SPECIFIER(char*, wxFormatString::Arg_String)
+wxFORMAT_STRING_SPECIFIER(unsigned char*, wxFormatString::Arg_String)
+wxFORMAT_STRING_SPECIFIER(signed char*, wxFormatString::Arg_String)
+wxFORMAT_STRING_SPECIFIER(const char*, wxFormatString::Arg_String)
+wxFORMAT_STRING_SPECIFIER(const unsigned char*, wxFormatString::Arg_String)
+wxFORMAT_STRING_SPECIFIER(const signed char*, wxFormatString::Arg_String)
+wxFORMAT_STRING_SPECIFIER(wchar_t*, wxFormatString::Arg_String)
+wxFORMAT_STRING_SPECIFIER(const wchar_t*, wxFormatString::Arg_String)
+
+wxFORMAT_STRING_SPECIFIER(int*, wxFormatString::Arg_IntPtr | wxFormatString::Arg_Pointer)
+wxFORMAT_STRING_SPECIFIER(short int*, wxFormatString::Arg_ShortIntPtr | wxFormatString::Arg_Pointer)
+wxFORMAT_STRING_SPECIFIER(long int*, wxFormatString::Arg_LongIntPtr | wxFormatString::Arg_Pointer)
+
+#undef wxFORMAT_STRING_SPECIFIER
+
+

 // Converts an argument passed to wxPrint etc. into standard form expected,
 // by wxXXX functions, e.g. all strings (wxString, char*, wchar_t*) are
 // converted into wchar_t* or char* depending on the build.
 template<typename T>
 struct wxArgNormalizer
 {
 // Converts an argument passed to wxPrint etc. into standard form expected,
 // by wxXXX functions, e.g. all strings (wxString, char*, wchar_t*) are
 // converted into wchar_t* or char* depending on the build.
 template<typename T>
 struct wxArgNormalizer
 {

-    wxArgNormalizer(const T& value) : m_value(value) {}
+    // Ctor. 'value' is the value passed as variadic argument, 'fmt' is pointer
+    // to printf-like format string or NULL if the variadic function doesn't
+    // use format string and 'index' is index of 'value' in variadic arguments
+    // list (starting at 1)
+    wxArgNormalizer(T value,
+                    const wxFormatString *fmt, unsigned index)
+        : m_value(value)
+    {
+        wxASSERT_ARG_TYPE( fmt, index, wxFormatStringSpecifier<T>::value );
+    }

 
     // Returns the value in a form that can be safely passed to real vararg
     // functions. In case of strings, this is char* in ANSI build and wchar_t*
 
     // Returns the value in a form that can be safely passed to real vararg
     // functions. In case of strings, this is char* in ANSI build and wchar_t*


@@ -188,7 +464,9 @@ struct wxArgNormalizer
 template<typename T>
 struct wxArgNormalizerWchar : public wxArgNormalizer<T>
 {
 template<typename T>
 struct wxArgNormalizerWchar : public wxArgNormalizer<T>
 {

-    wxArgNormalizerWchar(const T& value) : wxArgNormalizer<T>(value) {}
+    wxArgNormalizerWchar(T value,
+                         const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizer<T>(value, fmt, index) {}

 };
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 
 };
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 


@@ -198,7 +476,9 @@ struct wxArgNormalizerWchar : public wxArgNormalizer<T>
     template<typename T>
     struct wxArgNormalizerUtf8 : public wxArgNormalizer<T>
     {
     template<typename T>
     struct wxArgNormalizerUtf8 : public wxArgNormalizer<T>
     {

-        wxArgNormalizerUtf8(const T& value) : wxArgNormalizer<T>(value) {}
+        wxArgNormalizerUtf8(T value,
+                            const wxFormatString *fmt, unsigned index)
+            : wxArgNormalizer<T>(value, fmt, index) {}

     };
 
     #define wxArgNormalizerNative wxArgNormalizerUtf8
     };
 
     #define wxArgNormalizerNative wxArgNormalizerUtf8


@@ -217,10 +497,16 @@ struct wxArgNormalizerWchar : public wxArgNormalizer<T>
 template<typename CharType>
 struct wxArgNormalizerWithBuffer
 {
 template<typename CharType>
 struct wxArgNormalizerWithBuffer
 {

-    typedef wxCharTypeBuffer<CharType> CharBuffer;
+    typedef wxScopedCharTypeBuffer<CharType> CharBuffer;

 
     wxArgNormalizerWithBuffer() {}
 
     wxArgNormalizerWithBuffer() {}

-    wxArgNormalizerWithBuffer(const CharBuffer& buf) : m_value(buf) {}
+    wxArgNormalizerWithBuffer(const CharBuffer& buf,
+                              const wxFormatString *fmt,
+                              unsigned index)
+        : m_value(buf)
+    {
+        wxASSERT_ARG_TYPE( fmt, index, wxFormatString::Arg_String );
+    }

 
     const CharType *get() const { return m_value; }
 
 
     const CharType *get() const { return m_value; }
 


@@ -231,7 +517,14 @@ struct wxArgNormalizerWithBuffer
 template<>
 struct WXDLLIMPEXP_BASE wxArgNormalizerNative<const wxString&>
 {
 template<>
 struct WXDLLIMPEXP_BASE wxArgNormalizerNative<const wxString&>
 {

-    wxArgNormalizerNative(const wxString& s) : m_value(s) {}
+    wxArgNormalizerNative(const wxString& s,
+                          const wxFormatString *fmt,
+                          unsigned index)
+        : m_value(s)
+    {
+        wxASSERT_ARG_TYPE( fmt, index, wxFormatString::Arg_String );
+    }
+

     const wxStringCharType *get() const;
 
     const wxString& m_value;
     const wxStringCharType *get() const;
 
     const wxString& m_value;


@@ -241,7 +534,14 @@ struct WXDLLIMPEXP_BASE wxArgNormalizerNative<const wxString&>
 template<>
 struct WXDLLIMPEXP_BASE wxArgNormalizerNative<const wxCStrData&>
 {
 template<>
 struct WXDLLIMPEXP_BASE wxArgNormalizerNative<const wxCStrData&>
 {

-    wxArgNormalizerNative(const wxCStrData& value) : m_value(value) {}
+    wxArgNormalizerNative(const wxCStrData& value,
+                          const wxFormatString *fmt,
+                          unsigned index)
+        : m_value(value)
+    {
+        wxASSERT_ARG_TYPE( fmt, index, wxFormatString::Arg_String );
+    }
+

     const wxStringCharType *get() const;
 
     const wxCStrData& m_value;
     const wxStringCharType *get() const;
 
     const wxCStrData& m_value;


@@ -253,14 +553,16 @@ template<>
 struct WXDLLIMPEXP_BASE wxArgNormalizerWchar<const wxString&>
     : public wxArgNormalizerWithBuffer<wchar_t>
 {
 struct WXDLLIMPEXP_BASE wxArgNormalizerWchar<const wxString&>
     : public wxArgNormalizerWithBuffer<wchar_t>
 {

-    wxArgNormalizerWchar(const wxString& s);
+    wxArgNormalizerWchar(const wxString& s,
+                         const wxFormatString *fmt, unsigned index);

 };
 
 template<>
 struct WXDLLIMPEXP_BASE wxArgNormalizerWchar<const wxCStrData&>
     : public wxArgNormalizerWithBuffer<wchar_t>
 {
 };
 
 template<>
 struct WXDLLIMPEXP_BASE wxArgNormalizerWchar<const wxCStrData&>
     : public wxArgNormalizerWithBuffer<wchar_t>
 {

-    wxArgNormalizerWchar(const wxCStrData& s);
+    wxArgNormalizerWchar(const wxCStrData& s,
+                         const wxFormatString *fmt, unsigned index);

 };
 #endif // wxUSE_UNICODE_UTF8 && !wxUSE_UTF8_LOCALE_ONLY
 
 };
 #endif // wxUSE_UNICODE_UTF8 && !wxUSE_UTF8_LOCALE_ONLY
 


@@ -273,8 +575,9 @@ template<>
 struct wxArgNormalizerWchar<const char*>
     : public wxArgNormalizerWithBuffer<wchar_t>
 {
 struct wxArgNormalizerWchar<const char*>
     : public wxArgNormalizerWithBuffer<wchar_t>
 {

-    wxArgNormalizerWchar(const char* s)
-        : wxArgNormalizerWithBuffer<wchar_t>(wxConvLibc.cMB2WC(s)) {}
+    wxArgNormalizerWchar(const char* s,
+                         const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerWithBuffer<wchar_t>(wxConvLibc.cMB2WC(s), fmt, index) {}

 };
 
 #elif wxUSE_UNICODE_UTF8
 };
 
 #elif wxUSE_UNICODE_UTF8


@@ -283,24 +586,29 @@ template<>
 struct wxArgNormalizerUtf8<const wchar_t*>
     : public wxArgNormalizerWithBuffer<char>
 {
 struct wxArgNormalizerUtf8<const wchar_t*>
     : public wxArgNormalizerWithBuffer<char>
 {

-    wxArgNormalizerUtf8(const wchar_t* s)
-        : wxArgNormalizerWithBuffer<char>(wxConvUTF8.cWC2MB(s)) {}
+    wxArgNormalizerUtf8(const wchar_t* s,
+                        const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerWithBuffer<char>(wxConvUTF8.cWC2MB(s), fmt, index) {}

 };
 
 template<>
 struct wxArgNormalizerUtf8<const char*>
     : public wxArgNormalizerWithBuffer<char>
 {
 };
 
 template<>
 struct wxArgNormalizerUtf8<const char*>
     : public wxArgNormalizerWithBuffer<char>
 {

-    wxArgNormalizerUtf8(const char* s)
+    wxArgNormalizerUtf8(const char* s,
+                        const wxFormatString *fmt,
+                        unsigned index)

     {
     {

+        wxASSERT_ARG_TYPE( fmt, index, wxFormatString::Arg_String );
+

         if ( wxLocaleIsUtf8 )
         {
         if ( wxLocaleIsUtf8 )
         {

-            m_value = wxCharBuffer::CreateNonOwned(s);
+            m_value = wxScopedCharBuffer::CreateNonOwned(s);

         }
         else
         {
             // convert to widechar string first:
         }
         else
         {
             // convert to widechar string first:

-            wxWCharBuffer buf(wxConvLibc.cMB2WC(s));
+            wxScopedWCharBuffer buf(wxConvLibc.cMB2WC(s));

 
             // then to UTF-8:
             if ( buf )
 
             // then to UTF-8:
             if ( buf )


@@ -315,8 +623,9 @@ template<>
 struct wxArgNormalizerWchar<const char*>
     : public wxArgNormalizerWithBuffer<wchar_t>
 {
 struct wxArgNormalizerWchar<const char*>
     : public wxArgNormalizerWithBuffer<wchar_t>
 {

-    wxArgNormalizerWchar(const char* s)
-        : wxArgNormalizerWithBuffer<wchar_t>(wxConvLibc.cMB2WC(s)) {}
+    wxArgNormalizerWchar(const char* s,
+                         const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerWithBuffer<wchar_t>(wxConvLibc.cMB2WC(s), fmt, index) {}

 };
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 
 };
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 


@@ -326,8 +635,9 @@ template<>
 struct wxArgNormalizerWchar<const wchar_t*>
     : public wxArgNormalizerWithBuffer<char>
 {
 struct wxArgNormalizerWchar<const wchar_t*>
     : public wxArgNormalizerWithBuffer<char>
 {

-    wxArgNormalizerWchar(const wchar_t* s)
-        : wxArgNormalizerWithBuffer<char>(wxConvLibc.cWC2MB(s)) {}
+    wxArgNormalizerWchar(const wchar_t* s,
+                         const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerWithBuffer<char>(wxConvLibc.cWC2MB(s), fmt, index) {}

 };
 
 #endif // wxUSE_UNICODE_WCHAR/wxUSE_UNICODE_UTF8/ANSI
 };
 
 #endif // wxUSE_UNICODE_WCHAR/wxUSE_UNICODE_UTF8/ANSI


@@ -355,7 +665,9 @@ struct wxArgNormalizerWchar<const wchar_t*>
     template<>                                                              \
     struct Normalizer<T> : public Normalizer<BaseT>                         \
     {                                                                       \
     template<>                                                              \
     struct Normalizer<T> : public Normalizer<BaseT>                         \
     {                                                                       \

-        Normalizer(BaseT value) : Normalizer<BaseT>(value) {}               \
+        Normalizer(BaseT value,                                             \
+                   const wxFormatString *fmt, unsigned index)               \
+            : Normalizer<BaseT>(value, fmt, index) {}                       \

     }
 
 // non-reference versions of specializations for string objects
     }
 
 // non-reference versions of specializations for string objects


@@ -367,6 +679,10 @@ 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(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*);
 WX_ARG_NORMALIZER_FORWARD(wxCharBuffer, const char*);
 WX_ARG_NORMALIZER_FORWARD(const wxCharBuffer&, const char*);
 WX_ARG_NORMALIZER_FORWARD(wxWCharBuffer, const wchar_t*);


@@ -382,16 +698,18 @@ template<>
 struct wxArgNormalizerWchar<const std::string&>
     : public wxArgNormalizerWchar<const char*>
 {
 struct wxArgNormalizerWchar<const std::string&>
     : public wxArgNormalizerWchar<const char*>
 {

-    wxArgNormalizerWchar(const std::string& s)
-        : wxArgNormalizerWchar<const char*>(s.c_str()) {}
+    wxArgNormalizerWchar(const std::string& s,
+                         const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerWchar<const char*>(s.c_str(), fmt, index) {}

 };
 
 template<>
 struct wxArgNormalizerWchar<const wxStdWideString&>
     : public wxArgNormalizerWchar<const wchar_t*>
 {
 };
 
 template<>
 struct wxArgNormalizerWchar<const wxStdWideString&>
     : public wxArgNormalizerWchar<const wchar_t*>
 {

-    wxArgNormalizerWchar(const wxStdWideString& s)
-        : wxArgNormalizerWchar<const wchar_t*>(s.c_str()) {}
+    wxArgNormalizerWchar(const wxStdWideString& s,
+                         const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerWchar<const wchar_t*>(s.c_str(), fmt, index) {}

 };
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 
 };
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 


@@ -400,16 +718,18 @@ template<>
 struct wxArgNormalizerUtf8<const std::string&>
     : public wxArgNormalizerUtf8<const char*>
 {
 struct wxArgNormalizerUtf8<const std::string&>
     : public wxArgNormalizerUtf8<const char*>
 {

-    wxArgNormalizerUtf8(const std::string& s)
-        : wxArgNormalizerUtf8<const char*>(s.c_str()) {}
+    wxArgNormalizerUtf8(const std::string& s,
+                        const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerUtf8<const char*>(s.c_str(), fmt, index) {}

 };
 
 template<>
 struct wxArgNormalizerUtf8<const wxStdWideString&>
     : public wxArgNormalizerUtf8<const wchar_t*>
 {
 };
 
 template<>
 struct wxArgNormalizerUtf8<const wxStdWideString&>
     : public wxArgNormalizerUtf8<const wchar_t*>
 {

-    wxArgNormalizerUtf8(const wxStdWideString& s)
-        : wxArgNormalizerUtf8<const wchar_t*>(s.c_str()) {}
+    wxArgNormalizerUtf8(const wxStdWideString& s,
+                        const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerUtf8<const wchar_t*>(s.c_str(), fmt, index) {}

 };
 #endif // wxUSE_UNICODE_UTF8
 
 };
 #endif // wxUSE_UNICODE_UTF8
 


@@ -419,9 +739,90 @@ WX_ARG_NORMALIZER_FORWARD(wxStdWideString, const wxStdWideString&);
 #endif // wxUSE_STD_STRING
 
 
 #endif // wxUSE_STD_STRING
 
 

+// versions for wxUniChar, wxUniCharRef:
+// (this is same for UTF-8 and Wchar builds, we just convert to wchar_t)
+template<>
+struct wxArgNormalizer<const wxUniChar&> : public wxArgNormalizer<wchar_t>
+{
+    wxArgNormalizer(const wxUniChar& s,
+                    const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizer<wchar_t>(s.GetValue(), fmt, index) {}
+};
+
+// for wchar_t, default handler does the right thing
+
+// char has to be treated differently in Unicode builds: a char argument may
+// be used either for a character value (which should be converted into
+// wxUniChar) or as an integer value (which should be left as-is). We take
+// advantage of the fact that both char and wchar_t are converted into int
+// in variadic arguments here.
+#if wxUSE_UNICODE
+template<typename T>
+struct wxArgNormalizerNarrowChar
+{
+    wxArgNormalizerNarrowChar(T value,
+                              const wxFormatString *fmt, unsigned index)
+    {
+        wxASSERT_ARG_TYPE( fmt, index,
+                           wxFormatString::Arg_Char | wxFormatString::Arg_Int );
+
+        // 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 = wx_truncate_cast(T, wxUniChar(value).GetValue());
+        else
+            m_value = value;
+    }
+
+    int get() const { return m_value; }
+
+    T m_value;
+};
+
+template<>
+struct wxArgNormalizer<char> : public wxArgNormalizerNarrowChar<char>
+{
+    wxArgNormalizer(char value,
+                    const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerNarrowChar<char>(value, fmt, index) {}
+};
+
+template<>
+struct wxArgNormalizer<unsigned char>
+    : public wxArgNormalizerNarrowChar<unsigned char>
+{
+    wxArgNormalizer(unsigned char value,
+                    const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerNarrowChar<unsigned char>(value, fmt, index) {}
+};
+
+template<>
+struct wxArgNormalizer<signed char>
+    : public wxArgNormalizerNarrowChar<signed char>
+{
+    wxArgNormalizer(signed char value,
+                    const wxFormatString *fmt, unsigned index)
+        : wxArgNormalizerNarrowChar<signed char>(value, fmt, index) {}
+};
+
+#endif // wxUSE_UNICODE
+
+// convert references:
+WX_ARG_NORMALIZER_FORWARD(wxUniChar, const wxUniChar&);
+WX_ARG_NORMALIZER_FORWARD(const wxUniCharRef&, const wxUniChar&);
+WX_ARG_NORMALIZER_FORWARD(wxUniCharRef, const wxUniChar&);
+WX_ARG_NORMALIZER_FORWARD(const wchar_t&, wchar_t);
+
+WX_ARG_NORMALIZER_FORWARD(const char&, char);
+WX_ARG_NORMALIZER_FORWARD(const unsigned char&, unsigned char);
+WX_ARG_NORMALIZER_FORWARD(const signed char&, signed char);
+
+

 #undef WX_ARG_NORMALIZER_FORWARD
 #undef _WX_ARG_NORMALIZER_FORWARD_IMPL
 
 #undef WX_ARG_NORMALIZER_FORWARD
 #undef _WX_ARG_NORMALIZER_FORWARD_IMPL
 

+#undef wxASSERT_ARG_TYPE
+

 // ----------------------------------------------------------------------------
 // WX_VA_ARG_STRING
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // WX_VA_ARG_STRING
 // ----------------------------------------------------------------------------


@@ -545,6 +946,14 @@ private:
 #define _WX_VARARG_FIXED_UNUSED_EXPAND_4(t1,t2,t3,t4) \
          t1 WXUNUSED(f1), t2 WXUNUSED(f2), t3 WXUNUSED(f3), t4 WXUNUSED(f4)
 
 #define _WX_VARARG_FIXED_UNUSED_EXPAND_4(t1,t2,t3,t4) \
          t1 WXUNUSED(f1), t2 WXUNUSED(f2), t3 WXUNUSED(f3), t4 WXUNUSED(f4)
 

+#define _WX_VARARG_FIXED_TYPEDEFS_1(t1) \
+             typedef t1 TF1
+#define _WX_VARARG_FIXED_TYPEDEFS_2(t1,t2) \
+             _WX_VARARG_FIXED_TYPEDEFS_1(t1); typedef t2 TF2
+#define _WX_VARARG_FIXED_TYPEDEFS_3(t1,t2,t3) \
+             _WX_VARARG_FIXED_TYPEDEFS_2(t1,t2); typedef t3 TF3
+#define _WX_VARARG_FIXED_TYPEDEFS_4(t1,t2,t3,t4) \
+             _WX_VARARG_FIXED_TYPEDEFS_3(t1,t2,t3); typedef t4 TF4

 
 // This macro expands N-items tuple of fixed arguments types into part of
 // function's declaration. For example,
 
 // This macro expands N-items tuple of fixed arguments types into part of
 // function's declaration. For example,


@@ -561,6 +970,13 @@ private:
 #define _WX_VARARG_FIXED_UNUSED_EXPAND_IMPL(N, args) \
                 _WX_VARARG_FIXED_UNUSED_EXPAND_##N args
 
 #define _WX_VARARG_FIXED_UNUSED_EXPAND_IMPL(N, args) \
                 _WX_VARARG_FIXED_UNUSED_EXPAND_##N args
 

+// Declarates typedefs for fixed arguments types; i-th fixed argument types
+// will have TFi typedef.
+#define _WX_VARARG_FIXED_TYPEDEFS(N, args) \
+                _WX_VARARG_FIXED_TYPEDEFS_IMPL(N, args)
+#define _WX_VARARG_FIXED_TYPEDEFS_IMPL(N, args) \
+                _WX_VARARG_FIXED_TYPEDEFS_##N args
+

 
 // This macro calls another macro 'm' passed as second argument 'N' times,
 // with its only argument set to 1..N, and concatenates the results using
 
 // This macro calls another macro 'm' passed as second argument 'N' times,
 // with its only argument set to 1..N, and concatenates the results using


@@ -607,20 +1023,23 @@ private:
 
 // Generates code snippet for passing i-th argument of vararg function
 // wrapper to its implementation, normalizing it in the process:
 
 // Generates code snippet for passing i-th argument of vararg function
 // wrapper to its implementation, normalizing it in the process:

-#define _WX_VARARG_PASS_WCHAR(i)        wxArgNormalizerWchar<T##i>(a##i).get()
-#define _WX_VARARG_PASS_UTF8(i)         wxArgNormalizerUtf8<T##i>(a##i).get()
+#define _WX_VARARG_PASS_WCHAR(i) \
+    wxArgNormalizerWchar<T##i>(a##i, fmt, i).get()
+#define _WX_VARARG_PASS_UTF8(i) \
+    wxArgNormalizerUtf8<T##i>(a##i, fmt, i).get()

 
 
 // And the same for fixed arguments, _not_ normalizing it:
 
 
 // And the same for fixed arguments, _not_ normalizing it:

-// FIXME-UTF8: this works, but uses wxString's implicit conversion to wxChar*
-//             for the 'format' argument (which is const wxString&) _if_ the
-//             implementation function has C sting argument; we need to
-//             have wxFixedArgNormalizer<T> here that will pass everything
-//             as-is except for wxString (for which wx_str() would be used),
-//             but OTOH, we don't want to do that if the implementation takes
-//             wxString argument

 #define _WX_VARARG_PASS_FIXED(i)        f##i
 
 #define _WX_VARARG_PASS_FIXED(i)        f##i
 

+#define _WX_VARARG_FIND_FMT(i) \
+            (wxFormatStringArgumentFinder<TF##i>::find(f##i))
+
+#define _WX_VARARG_FORMAT_STRING(numfixed, fixed)                             \
+    _WX_VARARG_FIXED_TYPEDEFS(numfixed, fixed);                               \
+    const wxFormatString *fmt =                                               \
+            (_WX_VARARG_JOIN(numfixed, _WX_VARARG_FIND_FMT))
+

 #if wxUSE_UNICODE_UTF8
     #define _WX_VARARG_DO_CALL_UTF8(return_kw, impl, implUtf8, N, numfixed)   \
         return_kw implUtf8(_WX_VARARG_JOIN(numfixed, _WX_VARARG_PASS_FIXED),  \
 #if wxUSE_UNICODE_UTF8
     #define _WX_VARARG_DO_CALL_UTF8(return_kw, impl, implUtf8, N, numfixed)   \
         return_kw implUtf8(_WX_VARARG_JOIN(numfixed, _WX_VARARG_PASS_FIXED),  \


@@ -666,6 +1085,7 @@ private:
     rettype name(_WX_VARARG_FIXED_EXPAND(numfixed, fixed),                    \
                  _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
     {                                                                         \
     rettype name(_WX_VARARG_FIXED_EXPAND(numfixed, fixed),                    \
                  _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
     {                                                                         \

+        _WX_VARARG_FORMAT_STRING(numfixed, fixed);                            \

         _WX_VARARG_DO_CALL(return, impl, implUtf8, N, numfixed);              \
     }
 
         _WX_VARARG_DO_CALL(return, impl, implUtf8, N, numfixed);              \
     }
 


@@ -686,6 +1106,7 @@ private:
     void name(_WX_VARARG_FIXED_EXPAND(numfixed, fixed),                       \
                  _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
     {                                                                         \
     void name(_WX_VARARG_FIXED_EXPAND(numfixed, fixed),                       \
                  _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
     {                                                                         \

+        _WX_VARARG_FORMAT_STRING(numfixed, fixed);                            \

         _WX_VARARG_DO_CALL(wxEMPTY_PARAMETER_VALUE,                           \
                            impl, implUtf8, N, numfixed);                      \
     }
         _WX_VARARG_DO_CALL(wxEMPTY_PARAMETER_VALUE,                           \
                            impl, implUtf8, N, numfixed);                      \
     }


@@ -707,6 +1128,7 @@ private:
     name(_WX_VARARG_FIXED_EXPAND(numfixed, fixed),                            \
                 _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                           \
     {                                                                         \
     name(_WX_VARARG_FIXED_EXPAND(numfixed, fixed),                            \
                 _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                           \
     {                                                                         \

+        _WX_VARARG_FORMAT_STRING(numfixed, fixed);                            \

         _WX_VARARG_DO_CALL(wxEMPTY_PARAMETER_VALUE,                           \
                            impl, implUtf8, N, numfixed);                      \
     }
         _WX_VARARG_DO_CALL(wxEMPTY_PARAMETER_VALUE,                           \
                            impl, implUtf8, N, numfixed);                      \
     }


@@ -771,6 +1193,8 @@ private:
 #define _WX_VARARG_WATCOM_UNPACK(N, convfixed) \
         _WX_VARARG_WATCOM_UNPACK_##N convfixed
 
 #define _WX_VARARG_WATCOM_UNPACK(N, convfixed) \
         _WX_VARARG_WATCOM_UNPACK_##N convfixed
 

+#define _WX_VARARG_PASS_WATCOM(i) a##i
+

 #define _WX_VARARG_WATCOM_WORKAROUND(N, rettype, name,                        \
                                      convfixed, dummy, numfixed, fixed)       \
     template<_WX_VARARG_JOIN(N, _WX_VARARG_TEMPL)>                            \
 #define _WX_VARARG_WATCOM_WORKAROUND(N, rettype, name,                        \
                                      convfixed, dummy, numfixed, fixed)       \
     template<_WX_VARARG_JOIN(N, _WX_VARARG_TEMPL)>                            \


@@ -778,7 +1202,7 @@ private:
                  _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
     {                                                                         \
          return name(_WX_VARARG_WATCOM_UNPACK(numfixed, convfixed),           \
                  _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
     {                                                                         \
          return name(_WX_VARARG_WATCOM_UNPACK(numfixed, convfixed),           \

-                     _WX_VARARG_JOIN(N, _WX_VARARG_PASS_WCHAR));              \
+                     _WX_VARARG_JOIN(N, _WX_VARARG_PASS_WATCOM));             \

     }
 
 #define _WX_VARARG_WATCOM_WORKAROUND_CTOR(N, dummy1, name,                    \
     }
 
 #define _WX_VARARG_WATCOM_WORKAROUND_CTOR(N, dummy1, name,                    \


@@ -788,7 +1212,7 @@ private:
                  _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
     {                                                                         \
          name(_WX_VARARG_WATCOM_UNPACK(numfixed, convfixed),                  \
                  _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
     {                                                                         \
          name(_WX_VARARG_WATCOM_UNPACK(numfixed, convfixed),                  \

-                     _WX_VARARG_JOIN(N, _WX_VARARG_PASS_WCHAR));              \
+                     _WX_VARARG_JOIN(N, _WX_VARARG_PASS_WATCOM));             \

     }
 
 #endif // __WATCOMC__
     }
 
 #endif // __WATCOMC__