X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/066e5e3fd23dea9fd69835b506c8d68855f867ff..b02dd12239c8a59b9a545d9fcb04974f8ad02c6b:/include/wx/string.h?ds=sidebyside diff --git a/include/wx/string.h b/include/wx/string.h index f51d3f0660..843002256a 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -24,7 +24,6 @@ #include "wx/defs.h" // everybody should include this -#ifndef __WXPALMOS5__ #if defined(__WXMAC__) || defined(__VISAGECPP__) #include #endif @@ -47,7 +46,6 @@ #ifdef HAVE_STRCASECMP_IN_STRINGS_H #include // for strcasecmp() #endif // HAVE_STRCASECMP_IN_STRINGS_H -#endif // ! __WXPALMOS5__ #include "wx/wxcrtbase.h" // for wxChar, wxStrlen() etc. #include "wx/strvararg.h" @@ -170,8 +168,7 @@ inline int Stricmp(const char *psz1, const char *psz2) return stricmp(psz1, psz2); #elif defined(__WXPM__) return stricmp(psz1, psz2); -#elif defined(__WXPALMOS__) || \ - defined(HAVE_STRCASECMP_IN_STRING_H) || \ +#elif defined(HAVE_STRCASECMP_IN_STRING_H) || \ defined(HAVE_STRCASECMP_IN_STRINGS_H) || \ defined(__GNUWIN32__) return strcasecmp(psz1, psz2); @@ -1345,12 +1342,13 @@ public: } #endif // wxUSE_STRING_POS_CACHE - // even if we're not built with wxUSE_STL == 1 it is very convenient to allow - // implicit conversions from std::string to wxString and vice verse as this - // allows to use the same strings in non-GUI and GUI code, however we don't - // want to unconditionally add this ctor as it would make wx lib dependent on - // libstdc++ on some Linux versions which is bad, so instead we ask the - // client code to define this wxUSE_STD_STRING symbol if they need it + // even if we're not built with wxUSE_STD_STRING_CONV_IN_WXSTRING == 1 it is + // very convenient to allow implicit conversions from std::string to wxString + // and vice verse as this allows to use the same strings in non-GUI and GUI + // code, however we don't want to unconditionally add this ctor as it would + // make wx lib dependent on libstdc++ on some Linux versions which is bad, so + // instead we ask the client code to define this wxUSE_STD_STRING symbol if + // they need it #if wxUSE_STD_STRING #if wxUSE_UNICODE_WCHAR wxString(const wxStdWideString& str) : m_impl(str) {} @@ -1368,10 +1366,8 @@ public: #endif #endif // wxUSE_STD_STRING - // Unlike ctor from std::string, we provide conversion to std::string only - // if wxUSE_STL and not merely wxUSE_STD_STRING (which is on by default), - // because it conflicts with operator const char/wchar_t* but we still - // provide explicit conversions to std::[w]string for convenience in any case + // Also always provide explicit conversions to std::[w]string in any case, + // see below for the implicit ones. #if wxUSE_STD_STRING // We can avoid a copy if we already use this string type internally, // otherwise we create a copy on the fly: @@ -1408,13 +1404,14 @@ public: } #endif -#if wxUSE_STL - // In wxUSE_STL case we also provide implicit conversions as there is no - // ambiguity with the const char/wchar_t* ones as they are disabled in this - // build (for consistency with std::basic_string<>) +#if wxUSE_STD_STRING_CONV_IN_WXSTRING + // Implicit conversions to std::[w]string are not provided by default as + // they conflict with the implicit conversions to "const char/wchar_t *" + // which we use for backwards compatibility but do provide them if + // explicitly requested. operator wxStringToStdStringRetType() const { return ToStdString(); } operator wxStringToStdWstringRetType() const { return ToStdWstring(); } -#endif // wxUSE_STL +#endif // wxUSE_STD_STRING_CONV_IN_WXSTRING #undef wxStringToStdStringRetType #undef wxStringToStdWstringRetType @@ -1654,11 +1651,12 @@ public: operator wxCStrData() const { return c_str(); } // the first two operators conflict with operators for conversion to - // std::string and they must be disabled in STL build; the next one only - // makes sense if conversions to char* are also defined and not defining it - // in STL build also helps us to get more clear error messages for the code - // which relies on implicit conversion to char* in STL build -#if !wxUSE_STL + // std::string and they must be disabled if those conversions are enabled; + // the next one only makes sense if conversions to char* are also defined + // and not defining it in STL build also helps us to get more clear error + // messages for the code which relies on implicit conversion to char* in + // STL build +#if !wxUSE_STD_STRING_CONV_IN_WXSTRING operator const char*() const { return c_str(); } operator const wchar_t*() const { return c_str(); } @@ -1666,7 +1664,7 @@ public: // wxWidgets versions: this is the same as conversion to const char * so it // may fail! operator const void*() const { return c_str(); } -#endif // wxUSE_STL +#endif // !wxUSE_STD_STRING_CONV_IN_WXSTRING // identical to c_str(), for MFC compatibility const wxCStrData GetData() const { return c_str(); } @@ -2326,12 +2324,12 @@ public: // convert to a double bool ToCDouble(double *val) const; - // create a string representing the given floating point number + // create a string representing the given floating point number with the + // default (like %g) or fixed (if precision >=0) precision // in the current locale - static wxString FromDouble(double val) - { return wxString::Format(wxS("%g"), val); } + static wxString FromDouble(double val, int precision = -1); // in C locale - static wxString FromCDouble(double val); + static wxString FromCDouble(double val, int precision = -1); #ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN // formatted input/output