return wxString from wxDynamicLibrary::GetDllExt()

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

diff --git a/include/wx/strvararg.h b/include/wx/strvararg.h
index 05460711d76568e5fc848c5c459990aca09a7ecd..ee87423fa786344bf36ff4867bb4db7d76f78087 100644 (file)
--- a/include/wx/strvararg.h
+++ b/include/wx/strvararg.h
@@ -18,9 +18,9 @@
 
 #include "wx/cpp.h"
 #include "wx/chartype.h"
-#include "wx/wxcrt.h"
 #include "wx/strconv.h"
 #include "wx/buffer.h"
+#include "wx/unichar.h"
 
 class WXDLLIMPEXP_BASE wxCStrData;
 class WXDLLIMPEXP_BASE wxString;
@@ -150,8 +150,17 @@ private:
 #endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
 
 private:
+#ifdef __VISUALC__
+    // "struct 'ConvertedBuffer<T>' needs to have dll-interface to be used by
+    // clients of class 'wxString'" - this is private, we don't care
+    #pragma warning (disable:4251)
+#endif
     wxCharBuffer  m_char;
     wxWCharBuffer m_wchar;
+#ifdef __VISUALC__
+    #pragma warning (default:4251)
+#endif
+
     // 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
@@ -419,6 +428,35 @@ WX_ARG_NORMALIZER_FORWARD(wxStdWideString, const wxStdWideString&);
 #endif // wxUSE_STD_STRING
 
 
+// versions for wxUniChar, wxUniCharRef:
+
+#if !wxUSE_UTF8_LOCALE_ONLY
+template<>
+struct wxArgNormalizerWchar<const wxUniChar&>
+    : public wxArgNormalizerWchar<wxChar/*FIXME-UTF8: should be wchar_t after ANSI removal*/>
+{
+    wxArgNormalizerWchar(const wxUniChar& s)
+        : wxArgNormalizerWchar<wxChar>((wxChar)s) {}
+};
+#endif // !wxUSE_UTF8_LOCALE_ONLY
+
+#if wxUSE_UNICODE_UTF8
+template<>
+struct wxArgNormalizerUtf8<const wxUniChar&>
+    : public wxArgNormalizerUtf8<char>
+{
+    wxArgNormalizerUtf8(const wxUniChar& s)
+        // FIXME-UTF8: this is lossy, we need to convert to string, but that
+        // requires format string update
+        : wxArgNormalizerUtf8<char>((const char)s) {}
+};
+#endif // wxUSE_UNICODE_UTF8
+
+WX_ARG_NORMALIZER_FORWARD(wxUniChar, const wxUniChar&);
+WX_ARG_NORMALIZER_FORWARD(const wxUniCharRef&, const wxUniChar&);
+WX_ARG_NORMALIZER_FORWARD(wxUniCharRef, const wxUniChar&);
+
+
 #undef WX_ARG_NORMALIZER_FORWARD
 #undef _WX_ARG_NORMALIZER_FORWARD_IMPL
 
@@ -732,4 +770,65 @@ private:
     inline void name(_WX_VARARG_FIXED_UNUSED_EXPAND(numfixed, fixed))         \
     {}
 
+
+// ----------------------------------------------------------------------------
+// workaround for OpenWatcom bug #351
+// ----------------------------------------------------------------------------
+
+#ifdef __WATCOMC__
+// workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+
+// This macro can be used to forward a 'vararg' template to another one with
+// different fixed arguments types. Parameters are same as for
+// WX_DEFINE_VARARG_FUNC (rettype=void can be used here), 'convfixed' is how
+// to convert fixed arguments. For example, this is typical code for dealing
+// with different forms of format string:
+//
+// WX_DEFINE_VARARG_FUNC_VOID(Printf, 1, (const wxFormatString&),
+//                            DoPrintfWchar, DoPrintfUtf8)
+// #ifdef __WATCOMC__
+// WX_VARARG_WATCOM_WORKAROUND(void, Printf, 1, (const wxString&),
+//                             (wxFormatString(f1)))
+// WX_VARARG_WATCOM_WORKAROUND(void, Printf, 1, (const char*),
+//                             (wxFormatString(f1)))
+// ...
+#define WX_VARARG_WATCOM_WORKAROUND(rettype, name, numfixed, fixed, convfixed)\
+    _WX_VARARG_ITER(_WX_VARARG_MAX_ARGS,                                      \
+                    _WX_VARARG_WATCOM_WORKAROUND,                             \
+                    rettype, name, convfixed, dummy, numfixed, fixed)
+
+#define WX_VARARG_WATCOM_WORKAROUND_CTOR(name, numfixed, fixed, convfixed)    \
+    _WX_VARARG_ITER(_WX_VARARG_MAX_ARGS,                                      \
+                    _WX_VARARG_WATCOM_WORKAROUND_CTOR,                        \
+                    dummy, name, convfixed, dummy, numfixed, fixed)
+
+#define _WX_VARARG_WATCOM_UNPACK_1(a1)               a1
+#define _WX_VARARG_WATCOM_UNPACK_2(a1, a2)           a1, a2
+#define _WX_VARARG_WATCOM_UNPACK_3(a1, a2, a3)       a1, a2, a3
+#define _WX_VARARG_WATCOM_UNPACK_4(a1, a2, a3, a4)   a1, a2, a3, a4
+#define _WX_VARARG_WATCOM_UNPACK(N, convfixed) \
+        _WX_VARARG_WATCOM_UNPACK_##N convfixed
+
+#define _WX_VARARG_WATCOM_WORKAROUND(N, rettype, name,                        \
+                                     convfixed, dummy, numfixed, fixed)       \
+    template<_WX_VARARG_JOIN(N, _WX_VARARG_TEMPL)>                            \
+    rettype name(_WX_VARARG_FIXED_EXPAND(numfixed, fixed),                    \
+                 _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
+    {                                                                         \
+         return name(_WX_VARARG_WATCOM_UNPACK(numfixed, convfixed),           \
+                     _WX_VARARG_JOIN(N, _WX_VARARG_PASS_WCHAR));              \
+    }
+
+#define _WX_VARARG_WATCOM_WORKAROUND_CTOR(N, dummy1, name,                    \
+                                     convfixed, dummy2, numfixed, fixed)      \
+    template<_WX_VARARG_JOIN(N, _WX_VARARG_TEMPL)>                            \
+    name(_WX_VARARG_FIXED_EXPAND(numfixed, fixed),                            \
+                 _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                          \
+    {                                                                         \
+         name(_WX_VARARG_WATCOM_UNPACK(numfixed, convfixed),                  \
+                     _WX_VARARG_JOIN(N, _WX_VARARG_PASS_WCHAR));              \
+    }
+
+#endif // __WATCOMC__
+
 #endif // _WX_STRVARARG_H_