X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/59a14f698460525b36e6a6e63876e1a6723865b4..a4535b9f391bbe8453f70784bc77a06f3426e858:/include/wx/strvararg.h diff --git a/include/wx/strvararg.h b/include/wx/strvararg.h index c1aa0364f6..2e6f3033a4 100644 --- a/include/wx/strvararg.h +++ b/include/wx/strvararg.h @@ -18,12 +18,12 @@ #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; +class WXDLLIMPEXP_FWD_BASE wxCStrData; +class WXDLLIMPEXP_FWD_BASE wxString; // ---------------------------------------------------------------------------- // WX_DEFINE_VARARG_FUNC* macros @@ -47,6 +47,9 @@ class WXDLLIMPEXP_BASE wxString; // * 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. +// // Parameters: // [ there are examples in square brackets showing values of the parameters // for the wxFprintf() wrapper for fprintf() function with the following @@ -111,11 +114,12 @@ class WXDLLIMPEXP_BASE wxString; // 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, -// 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 @@ -138,7 +142,13 @@ public: operator const char*() const { return wx_const_cast(wxFormatString*, this)->AsChar(); } private: + // InputAsChar() returns the value converted 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; #endif // !wxUSE_UNICODE_WCHAR #if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY @@ -146,12 +156,23 @@ public: operator const wchar_t*() const { return wx_const_cast(wxFormatString*, this)->AsWChar(); } private: + const wchar_t* InputAsWChar(); const wchar_t* AsWChar(); + wxWCharBuffer m_convertedWChar; #endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY private: +#ifdef __VISUALC__ + // "struct 'ConvertedBuffer' 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 +440,45 @@ WX_ARG_NORMALIZER_FORWARD(wxStdWideString, const wxStdWideString&); #endif // wxUSE_STD_STRING +// versions for wxUniChar, wxUniCharRef: + +#if !wxUSE_UTF8_LOCALE_ONLY +template<> +struct wxArgNormalizerWchar +{ + wxArgNormalizerWchar(const wxUniChar& s) : m_value(s) {} + + // FIXME-UTF8: use wchar_t once ANSI build is removed + wxChar get() const { return m_value; } + + wxChar m_value; +}; +#endif // !wxUSE_UTF8_LOCALE_ONLY + +#if wxUSE_UNICODE_UTF8 +template<> +struct wxArgNormalizerUtf8 +{ + wxArgNormalizerUtf8(const wxUniChar& s) : m_value(s.AsUTF8()) {} + + const wxStringCharType *get() const { return m_value; } + + wxUniChar::Utf8CharBuffer m_value; +}; +#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&); +// convert char/wchar_t to wxUniChar to get output in the right encoding: +WX_ARG_NORMALIZER_FORWARD(char, const wxUniChar&); +WX_ARG_NORMALIZER_FORWARD(const char&, const wxUniChar&); +WX_ARG_NORMALIZER_FORWARD(unsigned char, const wxUniChar&); +WX_ARG_NORMALIZER_FORWARD(const unsigned char&, const wxUniChar&); +WX_ARG_NORMALIZER_FORWARD(wchar_t, const wxUniChar&); +WX_ARG_NORMALIZER_FORWARD(const wchar_t&, const wxUniChar&); + + #undef WX_ARG_NORMALIZER_FORWARD #undef _WX_ARG_NORMALIZER_FORWARD_IMPL