wxWidgets/include/wx/wxchar.h
2000-01-03 02:19:07 +00:00

644 lines
20 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wxchar.h
// Purpose: Declarations common to wx char/wchar_t usage (wide chars)
// Author: Joel Farley
// Modified by:
// Created: 1998/06/12
// RCS-ID: $Id$
// Copyright: (c) wxWindows copyright
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WXCHAR_H_
#define _WX_WXCHAR_H_
#ifdef __GNUG__
#pragma interface "wxchar.h"
#endif
// only do SBCS or _UNICODE
#if defined (_MBCS )
# error "MBCS is not supported by wxChar"
#endif
// set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined
#if defined(_UNICODE) || defined(UNICODE)
# undef wxUSE_UNICODE
# define wxUSE_UNICODE 1
#else
# ifndef wxUSE_UNICODE
# define wxUSE_UNICODE 0
# endif
#endif
// and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1...
#if wxUSE_UNICODE
# ifndef _UNICODE
# define _UNICODE
# endif
# ifndef UNICODE
# define UNICODE
# endif
#endif
// ----------------------------------------------------------------------------
// define wxHAVE_TCHAR_FUNCTIONS for the compilers which support the
// wide-character functions
// ----------------------------------------------------------------------------
#ifdef __WIN32__
// VC++ and BC++ starting with 5.2 have TCHAR support
#ifdef __VISUALC__
#define wxHAVE_TCHAR_FUNCTIONS
#elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
#define wxHAVE_TCHAR_FUNCTIONS
#endif
#elif defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
// VisualAge 4.0+ supports TCHAR
#define wxHAVE_TCHAR_FUNCTIONS
// but not stdio.h nor time nor conversion functions
#define wxNO_TCHAR_STDIO
#define wxNO_TCHAR_STDLIB
#define wxNO_TCHAR_TIME
#define wxNO_TCHAR_LOCALE
//
// supplemental VA V4 defs so at least we know what these are
// just define to standard defs
//
// for wcslen
#include <wchar.h>
// locale.h functons -- not defined in tchar.h
#define wxSetlocale setlocale
// some stdio functions are defined others are not
// these are not
#define wxFgetchar fgetchar
#define wxFopen fopen
#define wxFputchar fputchar
#define wxFreopen freopen
#define wxGets gets
#define wxPerror perror
#define wxPuts puts
#define wxRemove remove
#define wxRename rename
#define wxTmpnam tmpnam
#define wxUngetc ungetc
#define wxVsscanf vsscanf
// stdlib not defined in VA V4
#if !wxUSE_UNICODE
# define wxAtof atof
#endif
#define wxAtoi atoi
#define wxAtol atol
#define wxGetenv getenv
#define wxSystem system
// time.h functions -- none defined in tchar.h
#define wxAsctime asctime
#define wxCtime ctime
#endif
#ifdef wxHAVE_TCHAR_FUNCTIONS
# define HAVE_WCSLEN 1
# include <tchar.h>
# if wxUSE_UNICODE // temporary - preserve binary compatibility
typedef _TCHAR wxChar;
typedef _TSCHAR wxSChar;
typedef _TUCHAR wxUChar;
# else
# define wxChar char
# define wxSChar signed char
# define wxUChar unsigned char
# endif
// wchar_t is available
# undef wxUSE_WCHAR_T
# define wxUSE_WCHAR_T 1
// ctype.h functions
#ifndef wxNO_TCHAR_CTYPE
#ifdef __BORLANDC__
# include <ctype.h>
#endif
# define wxIsalnum _istalnum
# define wxIsalpha _istalpha
# define wxIsctrl _istctrl
# define wxIsdigit _istdigit
# define wxIsgraph _istgraph
# define wxIslower _istlower
# define wxIsprint _istprint
# define wxIspunct _istpunct
# define wxIsspace _istspace
# define wxIsupper _istupper
# define wxIsxdigit _istxdigit
# define wxTolower _totlower
# define wxToupper _totupper
#endif // wxNO_TCHAR_CTYPE
// locale.h functons
#ifndef wxNO_TCHAR_LOCALE
# define wxSetlocale _tsetlocale
#endif // wxNO_TCHAR_LOCALE
// string.h functions
#ifndef wxNO_TCHAR_STRING
# define wxStrcat _tcscat
# define wxStrchr _tcschr
# define wxStrcmp _tcscmp
# define wxStrcoll _tcscoll
# define wxStrcpy _tcscpy
# define wxStrcspn _tcscspn
# define wxStrftime _tcsftime
# define wxStricmp _tcsicmp
# define wxStrlen_ _tcslen // used in wxStrlen inline function
# define wxStrncat _tcsncat
# define wxStrncmp _tcsncmp
# define wxStrncpy _tcsncpy
# define wxStrpbrk _tcspbrk
# define wxStrrchr _tcsrchr
# define wxStrspn _tcsspn
# define wxStrstr _tcsstr
# define wxStrtod _tcstod
# define wxStrtol _tcstol
# define wxStrtoul _tcstoul
# define wxStrxfrm _tcsxfrm
#endif // wxNO_TCHAR_STRING
// stdio.h functions
#ifndef wxNO_TCHAR_STDIO
# define wxFgetc _fgettc
# define wxFgetchar _fgettchar
# define wxFgets _fgetts
# define wxFopen _tfopen
# define wxFputc _fputtc
# define wxFputchar _fputtchar
# define wxFprintf _ftprintf
# define wxFreopen _tfreopen
# define wxFscanf _ftscanf
# define wxGetc _gettc
# define wxGetchar _gettchar
# define wxGets _getts
# define wxPerror _tperror
# define wxPrintf _tprintf
# define wxPutc _puttc
# define wxPutchar _puttchar
# define wxPuts _putts
# define wxRemove _tremove
# define wxRename _trename
# define wxScanf _tscanf
# define wxSprintf _stprintf
# define wxSscanf _stscanf
# define wxTmpnam _ttmpnam
# define wxUngetc _tungetc
# define wxVfprint _vftprintf
# define wxVprintf _vtprintf
# define wxVsscanf _vstscanf
# define wxVsprintf _vstprintf
#elif defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
// it has some stdio.h functions, apparently
# define wxFgetc _fgettc
# define wxFgets _fgetts
# define wxFputc _fputtc
# define wxFprintf _ftprintf
# define wxFscanf _ftscanf
# define wxGetc _gettc
# define wxGetchar _gettchar
# define wxPrintf _tprintf
# define wxPutc _puttc
# define wxPutchar _puttchar
# define wxScanf _tscanf
# define wxSprintf _stprintf
# define wxSscanf _stscanf
# define wxVfprint _vftprintf
# define wxVprintf _vtprintf
# define wxVsprintf _vstprintf
#endif // wxNO_TCHAR_STDIO
// stdlib.h functions
#ifndef wxNO_TCHAR_STDLIB
# if !wxUSE_UNICODE
# define wxAtof atof
# endif
# define wxAtoi _ttoi
# define wxAtol _ttol
# define wxGetenv _tgetenv
# define wxSystem _tsystem
#endif // wxNO_TCHAR_STDLIB
// time.h functions
#ifndef wxNO_TCHAR_TIME
# define wxAsctime _tasctime
# define wxCtime _tctime
#endif // wxNO_TCHAR_TIME
#else // !TCHAR-aware compilers
// check whether we should include wchar.h or equivalent
# if wxUSE_UNICODE
# undef wxUSE_WCHAR_T
# define wxUSE_WCHAR_T 1 // wchar_t *must* be available in Unicode mode
# elif !defined(wxUSE_WCHAR_T)
# if defined(__VISUALC__) && (__VISUALC__ < 900)
# define wxUSE_WCHAR_T 0 // wchar_t is not available for MSVC++ 1.5
# elif defined(__UNIX__)
# if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__)
# define wxUSE_WCHAR_T 1
# else
# define wxUSE_WCHAR_T 0
# endif
# elif defined(__GNUWIN32__) && !defined(__MINGW32__) // Cygwin (not Mingw32) doesn't have wcslen.h, needed in buffer.h
# define wxUSE_WCHAR_T 0
# elif defined(__BORLANDC__) // WIN16 BC++
# define wxUSE_WCHAR_T 0
# elif defined(__WATCOMC__)
# define wxUSE_WCHAR_T 0
# elif defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
# define wxUSE_WCHAR_T 1
# else
// add additional compiler checks if this fails
# define wxUSE_WCHAR_T 1
# endif
# endif//wxUSE_UNICODE
# if wxUSE_WCHAR_T
# ifdef HAVE_WCSTR_H
# include <wcstr.h>
# else
# ifndef __FreeBSD__
# include <wchar.h>
# else
# include <stdlib.h>
# define wxNEED_WCSLEN
# endif
# endif
# endif
// check whether we are doing Unicode
# if wxUSE_UNICODE
# include <wctype.h>
// this is probably glibc-specific
# if defined(__WCHAR_TYPE__)
typedef __WCHAR_TYPE__ wxChar;
typedef signed __WCHAR_TYPE__ wxSChar;
typedef unsigned __WCHAR_TYPE__ wxUChar;
# define _T(x) L##x
// ctype.h functions (wctype.h)
# define wxIsalnum iswalnum
# define wxIsalpha iswalpha
# define wxIsctrl iswcntrl
# define wxIsdigit iswdigit
# define wxIsgraph iswgraph
# define wxIslower iswlower
# define wxIsprint iswprint
# define wxIspunct iswpunct
# define wxIsspace iswspace
# define wxIsupper iswupper
# define wxIsxdigit iswxdigit
# if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
// /usr/include/wctype.h incorrectly declares translations tables which
// provokes tons of compile-time warnings - try to correct this
# define wxTolower(wc) towctrans((wc), (wctrans_t)__ctype_tolower)
# define wxToupper(wc) towctrans((wc), (wctrans_t)__ctype_toupper)
# else
# define wxTolower towlower
# define wxToupper towupper
# endif // gcc/!gcc
// string.h functions (wchar.h)
# define wxStrcat wcscat
# define wxStrchr wcschr
# define wxStrcmp wcscmp
# define wxStrcoll wcscoll
# define wxStrcpy wcscpy
# define wxStrcspn wcscspn
# define wxStrlen_ wcslen // used in wxStrlen inline function
# define wxStrncat wcsncat
# define wxStrncmp wcsncmp
# define wxStrncpy wcsncpy
# define wxStrpbrk wcspbrk
# define wxStrrchr wcsrchr
# define wxStrspn wcsspn
# define wxStrstr wcsstr
# define wxStrtod wcstod
# define wxStrtok wcstok
# define wxStrtol wcstol
# define wxStrtoul wcstoul
# define wxStrxfrm wcsxfrm
// glibc doesn't have wc equivalents of the other stuff
# define wxNEED_WX_STDIO_H
# define wxNEED_WX_STDLIB_H
# define wxNEED_WX_TIME_H
# else//!glibc
# error "Please define your compiler's Unicode conventions in wxChar.h"
# endif
# else//!Unicode
# include <ctype.h>
# include <string.h>
# if 0 // temporary - preserve binary compatibilty
typedef char wxChar;
typedef signed char wxSChar;
typedef unsigned char wxUChar;
# else
# define wxChar char
# define wxSChar signed char
# define wxUChar unsigned char
# endif
# ifdef __FreeBSD__
# undef _T
# endif
# if !defined(__MINGW32__) || !defined(_T)
# define _T(x) x
# endif
// ctype.h functions
# define wxIsalnum isalnum
# define wxIsalpha isalpha
# define wxIsctrl isctrl
# define wxIsdigit isdigit
# define wxIsgraph isgraph
# define wxIslower islower
# define wxIsprint isprint
# define wxIspunct ispunct
# define wxIsspace isspace
# define wxIsupper isupper
# define wxIsxdigit isxdigit
# define wxTolower tolower
# define wxToupper toupper
// locale.h functons
# define wxSetlocale setlocale
// string.h functions
// #define wxStricmp strcasecmp
// wxStricmp is defined below!!
#ifdef HAVE_STRTOK_R
#define wxStrtok(str, sep, last) strtok_r(str, sep, last)
#else
#define wxStrtok(str, sep, last) strtok(str, sep)
#endif
// leave the rest to defaults below
# define wxNEED_WX_STRING_H
# define wxNEED_WX_STDIO_H
# define wxNEED_WX_STDLIB_H
# define wxNEED_WX_TIME_H
# endif//Unicode
#endif//TCHAR-aware compilers
// define wxStricmp for various compilers without Unicode possibilities
#if !defined(wxStricmp) && !wxUSE_UNICODE
# if defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__SALFORDC__) || defined(__VISAGECPP__) || defined(__EMX__)
# define wxStricmp stricmp
# define wxStrnicmp strnicmp
# elif defined(__SC__) || defined(__VISUALC__) || (defined(__MWERKS__) && defined(__INTEL__))
# define wxStricmp _stricmp
# define wxStrnicmp _strnicmp
# elif defined(__UNIX__) || defined(__GNUWIN32__)
# define wxStricmp strcasecmp
# define wxStrnicmp strncasecmp
# elif defined(__MWERKS__) && !defined(__INTEL__)
// use wxWindows' implementation
# else
// if you leave wxStricmp undefined, wxWindows' implementation will be used
# error "Please define string case-insensitive compare for your OS/compiler"
# endif
#endif
// if we need to define for standard headers, and we're not using Unicode,
// just define to standard C library routines
#if !wxUSE_UNICODE
# ifdef wxNEED_WX_STRING_H
# define wxStrcat strcat
# define wxStrchr strchr
# define wxStrcmp strcmp
# define wxStrcoll strcoll
# define wxStrcpy strcpy
# define wxStrcspn strcspn
# define wxStrdup strdup
# define wxStrlen_ strlen // used in wxStrlen inline function
# define wxStrncat strncat
# define wxStrncmp strncmp
# define wxStrncpy strncpy
# define wxStrpbrk strpbrk
# define wxStrrchr strrchr
# define wxStrspn strspn
# define wxStrstr strstr
# define wxStrtod strtod
# define wxStrtol strtol
# define wxStrtoul strtoul
# define wxStrxfrm strxfrm
# undef wxNEED_WX_STRING_H
# endif
# ifdef wxNEED_WX_STDIO_H
# define wxFgetc fgetc
# define wxFgetchar fgetchar
# define wxFgets fgets
# define wxFopen fopen
# define wxFputc fputc
# define wxFputchar fputchar
# define wxFprintf fprintf
# define wxFreopen freopen
# define wxFscanf fscanf
# define wxGetc getc
# define wxGetchar getchar
# define wxGets gets
# define wxPerror perror
# define wxPrintf printf
# define wxPutc putc
# define wxPutchar putchar
# define wxPuts puts
# define wxRemove remove
# define wxRename rename
# define wxScanf scanf
# define wxSprintf sprintf
# define wxSscanf sscanf
# define wxTmpnam tmpnam
# define wxUngetc ungetc
# define wxVfprint vfprintf
# define wxVprintf vprintf
# define wxVsscanf vsscanf
# define wxVsprintf vsprintf
# undef wxNEED_WX_STDIO_H
# endif
# ifdef wxNEED_WX_STDLIB_H
# define wxAtof atof
# define wxAtoi atoi
# define wxAtol atol
# define wxGetenv getenv
# define wxSystem system
# undef wxNEED_WX_STDLIB_H
# endif
# ifdef wxNEED_WX_TIME_H
# define wxAsctime asctime
# define wxCtime ctime
# define wxStrftime strftime
# undef wxNEED_WX_TIME_H
# endif
#endif //!Unicode
#if defined(wxNEED_WCSLEN) && wxUSE_UNICODE
# define wcslen wxStrlen
# undef wxNEED_WCSLEN
#endif
// checks whether the passed in pointer is NULL and if the string is empty
WXDLLEXPORT inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
#ifndef wxNEED_WX_STRING_H
// safe version of strlen() (returns 0 if passed NULL pointer)
WXDLLEXPORT inline size_t wxStrlen(const wxChar *psz)
{ return psz ? wxStrlen_(psz) : 0; }
#endif
#if wxUSE_WCHAR_T
// multibyte<->widechar conversion
WXDLLEXPORT size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
WXDLLEXPORT size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
# if wxUSE_UNICODE
# define wxMB2WX wxMB2WC
# define wxWX2MB wxWC2MB
# define wxWC2WX wxStrncpy
# define wxWX2WC wxStrncpy
# else
# define wxMB2WX wxStrncpy
# define wxWX2MB wxStrncpy
# define wxWC2WX wxWC2MB
# define wxWX2WC wxMB2WC
# endif
#else
// No wxUSE_WCHAR_T: we have to do something (JACS)
# define wxMB2WC wxStrncpy
# define wxWC2MB wxStrncpy
# define wxMB2WX wxStrncpy
# define wxWX2MB wxStrncpy
# define wxWC2WX wxWC2MB
# define wxWX2WC wxMB2WC
#endif
WXDLLEXPORT bool wxOKlibc(); // for internal use
// if libc versions are not available, use replacements defined in wxchar.cpp
#ifndef wxStrdup
WXDLLEXPORT wxChar * wxStrdup(const wxChar *psz);
#endif
#ifndef wxStricmp
WXDLLEXPORT int wxStricmp(const wxChar *psz1, const wxChar *psz2);
#endif
#ifndef wxStrtok
WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
#endif
#ifndef wxSetlocale
class wxWCharBuffer;
WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
#endif
#ifdef wxNEED_WCSLEN // for use in buffer.h
WXDLLEXPORT size_t wcslen(const wchar_t *s);
#endif
#ifdef wxNEED_WX_CTYPE_H
WXDLLEXPORT int wxIsalnum(wxChar ch);
WXDLLEXPORT int wxIsalpha(wxChar ch);
WXDLLEXPORT int wxIsctrl(wxChar ch);
WXDLLEXPORT int wxIsdigit(wxChar ch);
WXDLLEXPORT int wxIsgraph(wxChar ch);
WXDLLEXPORT int wxIslower(wxChar ch);
WXDLLEXPORT int wxIsprint(wxChar ch);
WXDLLEXPORT int wxIspunct(wxChar ch);
WXDLLEXPORT int wxIsspace(wxChar ch);
WXDLLEXPORT int wxIsupper(wxChar ch);
WXDLLEXPORT int wxIsxdigit(wxChar ch);
WXDLLEXPORT int wxTolower(wxChar ch);
WXDLLEXPORT int wxToupper(wxChar ch);
#endif
#ifdef wxNEED_WX_STRING_H
WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src);
WXDLLEXPORT wxChar * wxStrchr(const wxChar *s, wxChar c);
WXDLLEXPORT int wxStrcmp(const wxChar *s1, const wxChar *s2);
WXDLLEXPORT int wxStrcoll(const wxChar *s1, const wxChar *s2);
WXDLLEXPORT wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
WXDLLEXPORT size_t wxStrcspn(const wxChar *s, const wxChar *reject);
WXDLLEXPORT size_t wxStrlen(const wxChar *s);
WXDLLEXPORT wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
WXDLLEXPORT int wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
WXDLLEXPORT wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
WXDLLEXPORT wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
WXDLLEXPORT wxChar * wxStrrchr(const wxChar *s, wxChar c);
WXDLLEXPORT size_t wxStrspn(const wxChar *s, const wxChar *accept);
WXDLLEXPORT wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr);
WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
WXDLLEXPORT unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
WXDLLEXPORT size_t wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
#endif
#ifdef wxNEED_WX_STDIO_H
# include <stdio.h>
# include <stdarg.h>
WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode);
WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
WXDLLEXPORT int wxPrintf(const wxChar *fmt, ...);
WXDLLEXPORT int wxVprintf(const wxChar *fmt, va_list argptr);
WXDLLEXPORT int wxFprintf(FILE *stream, const wxChar *fmt, ...);
WXDLLEXPORT int wxVfprintf(FILE *stream, const wxChar *fmt, va_list argptr);
WXDLLEXPORT int wxSprintf(wxChar *buf, const wxChar *fmt, ...);
WXDLLEXPORT int wxVsprintf(wxChar *buf, const wxChar *fmt, va_list argptr);
WXDLLEXPORT int wxSscanf(const wxChar *buf, const wxChar *fmt, ...);
WXDLLEXPORT int wxVsscanf(const wxChar *buf, const wxChar *fmt, va_list argptr);
#endif
#ifndef wxAtof
WXDLLEXPORT double wxAtof(const wxChar *psz);
#endif
#ifdef wxNEED_WX_STDLIB_H
WXDLLEXPORT int wxAtoi(const wxChar *psz);
WXDLLEXPORT long wxAtol(const wxChar *psz);
WXDLLEXPORT wxChar * wxGetenv(const wxChar *name);
WXDLLEXPORT int wxSystem(const wxChar *psz);
#endif
#ifdef wxNEED_WX_TIME_H
WXDLLEXPORT size_t wxStrftime(wxChar *s, size_t max, const wxChar *fmt, const struct tm *tm);
#endif
// although global macros with such names are really bad, we want to have
// another name for _T() which should be used to avoid confusion between _T()
// and _() in wxWindows sources
#define wxT(x) _T(x)
// a Unicode-friendly __FILE__ analog
#ifndef __TFILE__
#define __XFILE__(x) wxT(x)
#define __TFILE__ __XFILE__(__FILE__)
#endif
#endif
//_WX_WXCHAR_H_