include/wx/wxchar.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wxchar.h
   3 // Purpose:     Declarations common to wx char/wchar_t usage (wide chars)
   4 // Author:      Joel Farley
   5 // Modified by:
   6 // Created:     1998/06/12
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows copyright
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_WXCHAR_H_
  13 #define _WX_WXCHAR_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "wxchar.h"
  17 #endif
  18
  19 // only do SBCS or _UNICODE
  20 #if defined (_MBCS )
  21 #error "MBCS is not supported by wxChar"
  22 #endif
  23
  24 // Windows (VC++) has broad TCHAR support
  25 #if defined(__VISUALC__) && defined(__WIN32__)
  26
  27 #include <tchar.h>
  28 #if wxUSE_UNICODE // temporary - preserve binary compatibility
  29 typedef  _TCHAR      wxChar;
  30 typedef  _TSCHAR     wxSChar;
  31 typedef  _TUCHAR     wxUChar;
  32 #else
  33 #define wxChar char
  34 #define wxSChar signed char
  35 #define wxUChar unsigned char
  36 #endif
  37
  38    // ctype.h functions
  39 #define  wxIsalnum   _istalnum
  40 #define  wxIsalpha   _istalpha
  41 #define  wxIsctrl    _istctrl
  42 #define  wxIsdigit   _istdigit
  43 #define  wxIsgraph   _istgraph
  44 #define  wxIslower   _istlower
  45 #define  wxIsprint   _istprint
  46 #define  wxIspunct   _istpunct
  47 #define  wxIsspace   _istspace
  48 #define  wxIsupper   _istupper
  49 #define  wxIsxdigit  _istxdigit
  50 #define  wxTolower   _totlower
  51 #define  wxToupper   _totupper
  52
  53    // locale.h functons
  54 #define  wxSetlocale _tsetlocale
  55
  56    // string.h functions
  57 #define  wxStrcat    _tcscat
  58 #define  wxStrchr    _tcschr
  59 #define  wxStrcmp    _tcscmp
  60 #define  wxStrcoll   _tcscoll
  61 #define  wxStrcpy    _tcscpy
  62 #define  wxStrcspn   _tcscspn
  63 #define  wxStrftime  _tcsftime
  64 #define  wxStrncat   _tcsncat
  65 #define  wxStrncmp   _tcsncmp
  66 #define  wxStrncpy   _tcsncpy
  67 #define  wxStrpbrk   _tcspbrk
  68 #define  wxStrrchr   _tcsrchr
  69 #define  wxStrspn    _tcsspn
  70 #define  wxStrstr    _tcsstr
  71 #define  wxStrtod    _tcstod
  72 // is there a _tcstok[_r] ?
  73 #define  wxStrtol    _tcstol
  74 #define  wxStrtoul   _tcstoul
  75 #define  wxStrxfrm   _tcsxfrm
  76
  77    // stdio.h functions
  78 #define  wxFgetc     _fgettc
  79 #define  wxFgetchar  _fgettchar
  80 #define  wxFgets     _fgetts
  81 #define  wxFopen     _tfopen
  82 #define  wxFputc     _fputtc
  83 #define  wxFputchar  _fputtchar
  84 #define  wxFprintf   _ftprintf
  85 #define  wxFreopen   _tfreopen
  86 #define  wxFscanf    _ftscanf
  87 #define  wxGetc      _gettc
  88 #define  wxGetchar   _gettchar
  89 #define  wxGets      _getts
  90 #define  wxPerror    _tperror
  91 #define  wxPrintf    _tprintf
  92 #define  wxPutc      _puttc
  93 #define  wxPutchar   _puttchar
  94 #define  wxPuts      _putts
  95 #define  wxRemove    _tremove
  96 #define  wxRename    _trename
  97 #define  wxScanf     _tscanf
  98 #define  wxSprintf   _stprintf
  99 #define  wxSscanf    _stscanf
 100 #define  wxTmpnam    _ttmpnam
 101 #define  wxUngetc    _tungetc
 102 #define  wxVfprint   _vftprintf
 103 #define  wxVprintf   _vtprintf
 104 #define  wxVsprintf  _vstprintf
 105
 106    // stdlib.h functions
 107 #if !wxUSE_UNICODE
 108 #define  wxAtof      atof
 109 #endif
 110 #define  wxAtoi      _ttoi
 111 #define  wxAtol      _ttol
 112 #define  wxGetenv    _tgetenv
 113 #define  wxSystem    _tsystem
 114
 115    // time.h functions
 116 #define  wxAsctime   _tasctime
 117 #define  wxCtime     _tctime
 118
 119 // #elif defined(XXX)
 120    // #include XXX-specific files here
 121    // typeddef YYY wxChar;
 122
 123    // translate wxZZZ names
 124
 125 #else//!Windows (VC++)
 126
 127 // check whether we are doing Unicode
 128 #if wxUSE_UNICODE
 129
 130 #include <wchar.h>
 131 #include <wctype.h>
 132
 133 // this is probably glibc-specific
 134 #if defined(__WCHAR_TYPE__)
 135
 136 typedef __WCHAR_TYPE__          wxChar;
 137 typedef signed __WCHAR_TYPE__   wxSChar;
 138 typedef unsigned __WCHAR_TYPE__ wxUChar;
 139
 140 #define _T(x)                   L##x
 141
 142    // ctype.h functions (wctype.h)
 143 #define  wxIsalnum   iswalnum
 144 #define  wxIsalpha   iswalpha
 145 #define  wxIsctrl    iswcntrl
 146 #define  wxIsdigit   iswdigit
 147 #define  wxIsgraph   iswgraph
 148 #define  wxIslower   iswlower
 149 #define  wxIsprint   iswprint
 150 #define  wxIspunct   iswpunct
 151 #define  wxIsspace   iswspace
 152 #define  wxIsupper   iswupper
 153 #define  wxIsxdigit  iswxdigit
 154 #define  wxTolower   towlower
 155 #define  wxToupper   towupper
 156
 157    // string.h functions (wchar.h)
 158 #define  wxStrcat    wcscat
 159 #define  wxStrchr    wcschr
 160 #define  wxStrcmp    wcscmp
 161 #define  wxStrcoll   wcscoll
 162 #define  wxStrcpy    wcscpy
 163 #define  wxStrcspn   wcscspn
 164 #define  wxStrncat   wcsncat
 165 #define  wxStrncmp   wcsncmp
 166 #define  wxStrncpy   wcsncpy
 167 #define  wxStrpbrk   wcspbrk
 168 #define  wxStrrchr   wcsrchr
 169 #define  wxStrspn    wcsspn
 170 #define  wxStrstr    wcsstr
 171 #define  wxStrtod    wcstod
 172 #define  wxStrtok    wcstok
 173 #define  wxStrtol    wcstol
 174 #define  wxStrtoul   wcstoul
 175 #define  wxStrxfrm   wcsxfrm
 176
 177 // glibc doesn't have wc equivalents of the other stuff
 178 #define wxNEED_WX_STDIO_H
 179 #define wxNEED_WX_STDLIB_H
 180 #define wxNEED_WX_TIME_H
 181
 182 #else
 183 #error   "Please define your compiler's Unicode conventions in wxChar.h"
 184 #endif
 185 #else//!Unicode
 186
 187 #include <ctype.h>
 188 #include <string.h>
 189
 190 #if 0 // temporary - preserve binary compatibilty
 191 typedef char            wxChar;
 192 typedef signed char     wxSChar;
 193 typedef unsigned char   wxUChar;
 194 #else
 195 #define wxChar char
 196 #define wxSChar signed char
 197 #define wxUChar unsigned char
 198 #endif
 199
 200 #define _T(x)           x
 201
 202    // ctype.h functions
 203 #define  wxIsalnum   isalnum
 204 #define  wxIsalpha   isalpha
 205 #define  wxIsctrl    isctrl
 206 #define  wxIsdigit   isdigit
 207 #define  wxIsgraph   isgraph
 208 #define  wxIslower   islower
 209 #define  wxIsprint   isprint
 210 #define  wxIspunct   ispunct
 211 #define  wxIsspace   isspace
 212 #define  wxIsupper   isupper
 213 #define  wxIsxdigit  isxdigit
 214 #define  wxTolower   tolower
 215 #define  wxToupper   toupper
 216
 217    // locale.h functons
 218 #define  wxSetlocale setlocale
 219
 220    // string.h functions
 221 #define  wxStrcat    strcat
 222 #define  wxStrchr    strchr
 223 #define  wxStrcmp    strcmp
 224 #define  wxStrcoll   strcoll
 225 #define  wxStrcpy    strcpy
 226 #define  wxStrcspn   strcspn
 227 #define  wxStrdup    strdup
 228 #define  wxStrncat   strncat
 229 #define  wxStrncmp   strncmp
 230 #define  wxStrncpy   strncpy
 231 #define  wxStrpbrk   strpbrk
 232 #define  wxStrrchr   strrchr
 233 #define  wxStrspn    strspn
 234 #define  wxStrstr    strstr
 235 #define  wxStrtod    strtod
 236 // #define  wxStrtok    strtok_r // this needs a configure check
 237 #define  wxStrtol    strtol
 238 #define  wxStrtoul   strtoul
 239 #define  wxStrxfrm   strxfrm
 240
 241    // stdio.h functions
 242 #define  wxFgetc     fgetc
 243 #define  wxFgetchar  fgetchar
 244 #define  wxFgets     fgets
 245 #define  wxFopen     fopen
 246 #define  wxFputc     fputc
 247 #define  wxFputchar  fputchar
 248 #define  wxFprintf   fprintf
 249 #define  wxFreopen   freopen
 250 #define  wxFscanf    fscanf
 251 #define  wxGetc      getc
 252 #define  wxGetchar   getchar
 253 #define  wxGets      gets
 254 #define  wxPerror    perror
 255 #define  wxPrintf    printf
 256 #define  wxPutc      putc
 257 #define  wxPutchar   putchar
 258 #define  wxPuts      puts
 259 #define  wxRemove    remove
 260 #define  wxRename    rename
 261 #define  wxScanf     scanf
 262 #define  wxSprintf   sprintf
 263 #define  wxSscanf    sscanf
 264 #define  wxTmpnam    tmpnam
 265 #define  wxUngetc    ungetc
 266 #define  wxVfprint   vfprintf
 267 #define  wxVprintf   vprintf
 268 #define  wxVsprintf  vsprintf
 269
 270    // stdlib.h functions
 271 #define  wxAtof      atof
 272 #define  wxAtoi      atoi
 273 #define  wxAtol      atol
 274 #define  wxGetenv    getenv
 275 #define  wxSystem    system
 276
 277    // time.h functions
 278 #define  wxAsctime   asctime
 279 #define  wxCtime     ctime
 280 #define  wxStrftime  strftime
 281
 282 #endif//Unicode
 283 #endif
 284
 285
 286 /// checks whether the passed in pointer is NULL and if the string is empty
 287 inline bool WXDLLEXPORT wxIsEmpty(const wxChar *p) { return !p || !*p; }
 288
 289 /// safe version of strlen() (returns 0 if passed NULL pointer)
 290 inline size_t WXDLLEXPORT wxStrlen(const wxChar *psz)
 291 #if defined(__VISUALC__)
 292    { return psz ? _tcslen(psz) : 0; }
 293 #elif wxUSE_UNICODE
 294    { return psz ? wcslen(psz) : 0; }
 295 #else
 296    { return psz ? strlen(psz) : 0; }
 297 #endif
 298
 299 /// portable strcasecmp/_stricmp
 300 inline int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
 301 #if defined(__VISUALC__)
 302    { return _tcsicmp(psz1, psz2); }
 303 #elif defined(__BORLANDC__) && !wxUSE_UNICODE
 304    { return stricmp(psz1, psz2); }
 305 #elif defined(__UNIX__) || defined(__GNUWIN32__)
 306 #if !wxUSE_UNICODE
 307    { return strcasecmp(psz1, psz2); }
 308 #else // glibc doesn't seem to have wide char equivalent
 309    {
 310      register wxChar c1, c2;
 311      do {
 312        c1 = wxTolower(*psz1++);
 313        c2 = wxTolower(*psz2++);
 314      } while ( c1 && (c1 == c2) );
 315
 316      return c1 - c2;
 317    }
 318 #endif
 319 #else
 320   // almost all compilers/libraries provide this function (unfortunately under
 321   // different names), that's why we don't implement our own which will surely
 322   // be more efficient than this code (uncomment to use):
 323   /*
 324     register wxChar c1, c2;
 325     do {
 326       c1 = wxTolower(*psz1++);
 327       c2 = wxTolower(*psz2++);
 328     } while ( c1 && (c1 == c2) );
 329
 330     return c1 - c2;
 331   */
 332
 333   #error  "Please define string case-insensitive compare for your OS/compiler"
 334 #endif  // OS/compiler
 335
 336 // multibyte<->widechar conversion
 337 size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n);
 338 size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *psz, size_t n);
 339 #if wxUSE_UNICODE
 340 #define wxMB2WX wxMB2WC
 341 #define wxWX2MB wxWC2MB
 342 #define wxWC2WX wxStrncpy
 343 #define wxWX2WC wxStrncpy
 344 #else
 345 #define wxMB2WX wxStrncpy
 346 #define wxWX2MB wxStrncpy
 347 #define wxWC2WX wxWC2MB
 348 #define wxWX2WC wxMB2WC
 349 #endif
 350
 351 // if libc versions are not available, use replacements defined in wxchar.cpp
 352 #ifndef wxStrdup
 353 wxChar * WXDLLEXPORT wxStrdup(const wxChar *psz);
 354 #endif
 355
 356 #ifndef wxStrtok
 357 wxChar * WXDLLEXPORT wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
 358 #endif
 359
 360 #ifndef wxSetlocale
 361 wxChar * WXDLLEXPORT wxSetlocale(int category, const wxChar *locale);
 362 #endif
 363
 364 #ifdef wxNEED_WX_STDIO_H
 365 #include <stdarg.h>
 366 int      WXDLLEXPORT wxSprintf(wxChar *buf, const wxChar *fmt, ...);
 367 int      WXDLLEXPORT wxVsprintf(wxChar *buf, const wxChar *fmt, va_list argptr);
 368 #endif
 369
 370 #ifndef wxAtof
 371 double   WXDLLEXPORT wxAtof(const wxChar *psz);
 372 #endif
 373
 374 #ifdef wxNEED_WX_STDLIB_H
 375 int      WXDLLEXPORT wxAtoi(const wxChar *psz);
 376 long     WXDLLEXPORT wxAtol(const wxChar *psz);
 377 wxChar * WXDLLEXPORT wxGetenv(const wxChar *name);
 378 int      WXDLLEXPORT wxSystem(const wxChar *psz);
 379 #endif
 380
 381 #endif
 382   //_WX_WXCHAR_H_