/* * Name: wx/chartype.h * Purpose: Declarations of wxChar and related types * Author: Joel Farley, Ove Kåven * Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee * Created: 1998/06/12 * Copyright: (c) 1998-2006 wxWidgets dev team * Licence: wxWindows licence */ /* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */ #ifndef _WX_WXCHARTYPE_H_ #define _WX_WXCHARTYPE_H_ /* wx/defs.h indirectly includes this file, so we can't include it here, include just its subset which defines SIZEOF_WCHAR_T that is used here (under Unix it's in configure-generated setup.h, so including wx/platform.h would have been enough, but this is not the case under other platforms). */ #include "wx/types.h" /* This is kept only for backwards compatibility, in case some application code checks for it. It's always 1 and can't be changed. */ #define wxUSE_WCHAR_T 1 /* non Unix compilers which do have wchar.h (but not tchar.h which is included below and which includes wchar.h anyhow). Actually MinGW has tchar.h, but it does not include wchar.h */ #if defined(__MINGW32__) #ifndef HAVE_WCHAR_H #define HAVE_WCHAR_H #endif #endif #ifdef HAVE_WCHAR_H /* the current (as of Nov 2002) version of cygwin has a bug in its */ /* wchar.h -- there is no extern "C" around the declarations in it */ /* and this results in linking errors later; also, at least on some */ /* Cygwin versions, wchar.h requires sys/types.h */ #ifdef __CYGWIN__ #include #ifdef __cplusplus extern "C" { #endif #endif /* Cygwin */ #include #if defined(__CYGWIN__) && defined(__cplusplus) } #endif /* Cygwin and C++ */ /* the current (as of Mar 2014) version of Android (up to api level 19) */ /* doesn't include some declarations (wscdup, wcslen, wcscasecmp, etc.) */ /* (moved out from __CYGWIN__ block) */ #if defined(__WXQT__) && !defined(wcsdup) && defined(__ANDROID__) #ifdef __cplusplus extern "C" { #endif extern wchar_t *wcsdup(const wchar_t *); extern size_t wcslen (const wchar_t *); extern size_t wcsnlen (const wchar_t *, size_t ); extern int wcscasecmp (const wchar_t *, const wchar_t *); extern int wcsncasecmp (const wchar_t *, const wchar_t *, size_t); #ifdef __cplusplus } #endif #endif /* Android */ #elif defined(HAVE_WCSTR_H) /* old compilers have relevant declarations here */ #include #elif defined(__FreeBSD__) || defined(__DARWIN__) /* include stdlib.h for wchar_t */ #include #endif /* HAVE_WCHAR_H */ #ifdef HAVE_WIDEC_H #include #endif /* -------------------------------------------------------------------------- */ /* define wxHAVE_TCHAR_SUPPORT for the compilers which support the TCHAR type */ /* mapped to either char or wchar_t depending on the ASCII/Unicode mode and */ /* have the function mapping _tfoo() -> foo() or wfoo() */ /* -------------------------------------------------------------------------- */ /* VC++ and BC++ starting with 5.2 have TCHAR support */ #ifdef __VISUALC__ #define wxHAVE_TCHAR_SUPPORT #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520) #define wxHAVE_TCHAR_SUPPORT #include #elif defined(__MINGW32__) #define wxHAVE_TCHAR_SUPPORT #include #include #include #endif /* compilers with (good) TCHAR support */ #ifdef wxHAVE_TCHAR_SUPPORT /* get TCHAR definition if we've got it */ #include #endif /* wxHAVE_TCHAR_SUPPORT */ /* ------------------------------------------------------------------------- */ /* define wxChar type */ /* ------------------------------------------------------------------------- */ /* TODO: define wxCharInt to be equal to either int or wint_t? */ #if !wxUSE_UNICODE typedef char wxChar; typedef signed char wxSChar; typedef unsigned char wxUChar; #else /* VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as */ /* signed/unsigned version of it which (a) makes sense to me (unlike */ /* char wchar_t is always unsigned) and (b) was how the previous */ /* definitions worked so keep it like this */ typedef wchar_t wxChar; typedef wchar_t wxSChar; typedef wchar_t wxUChar; #endif /* ASCII/Unicode */ /* ------------------------------------------------------------------------- */ /* define wxStringCharType */ /* ------------------------------------------------------------------------- */ /* depending on the platform, Unicode build can either store wxStrings as wchar_t* or UTF-8 encoded char*: */ #if wxUSE_UNICODE /* FIXME-UTF8: what would be better place for this? */ #if defined(wxUSE_UTF8_LOCALE_ONLY) && !defined(wxUSE_UNICODE_UTF8) #error "wxUSE_UTF8_LOCALE_ONLY only makes sense with wxUSE_UNICODE_UTF8" #endif #ifndef wxUSE_UTF8_LOCALE_ONLY #define wxUSE_UTF8_LOCALE_ONLY 0 #endif #ifndef wxUSE_UNICODE_UTF8 #define wxUSE_UNICODE_UTF8 0 #endif #if wxUSE_UNICODE_UTF8 #define wxUSE_UNICODE_WCHAR 0 #else #define wxUSE_UNICODE_WCHAR 1 #endif #else #define wxUSE_UNICODE_WCHAR 0 #define wxUSE_UNICODE_UTF8 0 #define wxUSE_UTF8_LOCALE_ONLY 0 #endif #ifndef SIZEOF_WCHAR_T #error "SIZEOF_WCHAR_T must be defined before including this file in wx/defs.h" #endif #if wxUSE_UNICODE_WCHAR && SIZEOF_WCHAR_T == 2 #define wxUSE_UNICODE_UTF16 1 #else #define wxUSE_UNICODE_UTF16 0 #endif /* define char type used by wxString internal representation: */ #if wxUSE_UNICODE_WCHAR typedef wchar_t wxStringCharType; #else /* wxUSE_UNICODE_UTF8 || ANSI */ typedef char wxStringCharType; #endif /* ------------------------------------------------------------------------- */ /* define wxT() and related macros */ /* ------------------------------------------------------------------------- */ /* BSD systems define _T() to be something different in ctype.h, override it */ #if defined(__FreeBSD__) || defined(__DARWIN__) #include #undef _T #endif /* wxT ("wx text") macro turns a literal string constant into a wide char constant. It is mostly unnecessary with wx 2.9 but defined for compatibility. */ #ifndef wxT #if !wxUSE_UNICODE #define wxT(x) x #else /* Unicode */ /* Notice that we use an intermediate macro to allow x to be expanded if it's a macro itself. */ #ifndef wxCOMPILER_BROKEN_CONCAT_OPER #define wxT(x) wxCONCAT_HELPER(L, x) #else #define wxT(x) wxPREPEND_L(x) #endif #endif /* ASCII/Unicode */ #endif /* !defined(wxT) */ /* wxT_2 exists only for compatibility with wx 2.x and is the same as wxT() in that version but nothing in the newer ones. */ #define wxT_2(x) x /* wxS ("wx string") macro can be used to create literals using the same representation as wxString does internally, i.e. wchar_t in Unicode build under Windows or char in UTF-8-based Unicode builds and (deprecated) ANSI builds everywhere (see wxStringCharType definition above). */ #if wxUSE_UNICODE_WCHAR /* As above with wxT(), wxS() argument is expanded if it's a macro. */ #ifndef wxCOMPILER_BROKEN_CONCAT_OPER #define wxS(x) wxCONCAT_HELPER(L, x) #else #define wxS(x) wxPREPEND_L(x) #endif #else /* wxUSE_UNICODE_UTF8 || ANSI */ #define wxS(x) x #endif /* _T() is a synonym for wxT() familiar to Windows programmers. As this macro has even higher risk of conflicting with system headers, its use is discouraged and you may predefine wxNO__T to disable it. Additionally, we do it ourselves for Sun CC which is known to use it in its standard headers (see #10660). */ #if defined(__SUNPRO_C) || defined(__SUNPRO_CC) #ifndef wxNO__T #define wxNO__T #endif #endif #if !defined(_T) && !defined(wxNO__T) #define _T(x) wxT(x) #endif /* a helper macro allowing to make another macro Unicode-friendly, see below */ #define wxAPPLY_T(x) wxT(x) /* Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs */ #ifndef __TFILE__ #define __TFILE__ wxAPPLY_T(__FILE__) #endif #ifndef __TDATE__ #define __TDATE__ wxAPPLY_T(__DATE__) #endif #ifndef __TTIME__ #define __TTIME__ wxAPPLY_T(__TIME__) #endif #endif /* _WX_WXCHARTYPE_H_ */