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 // set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined
  25 #if defined(_UNICODE) || defined(UNICODE)
  26 #undef wxUSE_UNICODE
  27 #define wxUSE_UNICODE 1
  28 #else
  29 #ifndef wxUSE_UNICODE
  30 #define wxUSE_UNICODE 0
  31 #endif
  32 #endif
  33
  34 // and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1...
  35 #if wxUSE_UNICODE
  36 #ifndef _UNICODE
  37 #define _UNICODE
  38 #endif
  39 #ifndef UNICODE
  40 #define UNICODE
  41 #endif
  42 #endif
  43
  44 // Windows (VC++) has broad TCHAR support
  45 #if defined(__VISUALC__) && defined(__WIN32__)
  46
  47 #include <tchar.h>
  48 #if wxUSE_UNICODE // temporary - preserve binary compatibility
  49 typedef  _TCHAR      wxChar;
  50 typedef  _TSCHAR     wxSChar;
  51 typedef  _TUCHAR     wxUChar;
  52 #else
  53 #define wxChar char
  54 #define wxSChar signed char
  55 #define wxUChar unsigned char
  56 #endif
  57    // wchar_t is available
  58 #undef wxUSE_WCHAR_T
  59 #define wxUSE_WCHAR_T 1
  60
  61    // ctype.h functions
  62 #define  wxIsalnum   _istalnum
  63 #define  wxIsalpha   _istalpha
  64 #define  wxIsctrl    _istctrl
  65 #define  wxIsdigit   _istdigit
  66 #define  wxIsgraph   _istgraph
  67 #define  wxIslower   _istlower
  68 #define  wxIsprint   _istprint
  69 #define  wxIspunct   _istpunct
  70 #define  wxIsspace   _istspace
  71 #define  wxIsupper   _istupper
  72 #define  wxIsxdigit  _istxdigit
  73 #define  wxTolower   _totlower
  74 #define  wxToupper   _totupper
  75
  76    // locale.h functons
  77 #define  wxSetlocale _tsetlocale
  78
  79    // string.h functions
  80 #define  wxStrcat    _tcscat
  81 #define  wxStrchr    _tcschr
  82 #define  wxStrcmp    _tcscmp
  83 #define  wxStrcoll   _tcscoll
  84 #define  wxStrcpy    _tcscpy
  85 #define  wxStrcspn   _tcscspn
  86 #define  wxStrftime  _tcsftime
  87 #define  wxStricmp   _tcsicmp
  88 #define  wxStrlen_   _tcslen // used in wxStrlen inline function
  89 #define  wxStrncat   _tcsncat
  90 #define  wxStrncmp   _tcsncmp
  91 #define  wxStrncpy   _tcsncpy
  92 #define  wxStrpbrk   _tcspbrk
  93 #define  wxStrrchr   _tcsrchr
  94 #define  wxStrspn    _tcsspn
  95 #define  wxStrstr    _tcsstr
  96 #define  wxStrtod    _tcstod
  97 // is there a _tcstok[_r] ?
  98 #define  wxStrtol    _tcstol
  99 #define  wxStrtoul   _tcstoul
 100 #define  wxStrxfrm   _tcsxfrm
 101
 102    // stdio.h functions
 103 #define  wxFgetc     _fgettc
 104 #define  wxFgetchar  _fgettchar
 105 #define  wxFgets     _fgetts
 106 #define  wxFopen     _tfopen
 107 #define  wxFputc     _fputtc
 108 #define  wxFputchar  _fputtchar
 109 #define  wxFprintf   _ftprintf
 110 #define  wxFreopen   _tfreopen
 111 #define  wxFscanf    _ftscanf
 112 #define  wxGetc      _gettc
 113 #define  wxGetchar   _gettchar
 114 #define  wxGets      _getts
 115 #define  wxPerror    _tperror
 116 #define  wxPrintf    _tprintf
 117 #define  wxPutc      _puttc
 118 #define  wxPutchar   _puttchar
 119 #define  wxPuts      _putts
 120 #define  wxRemove    _tremove
 121 #define  wxRename    _trename
 122 #define  wxScanf     _tscanf
 123 #define  wxSprintf   _stprintf
 124 #define  wxSscanf    _stscanf
 125 #define  wxTmpnam    _ttmpnam
 126 #define  wxUngetc    _tungetc
 127 #define  wxVfprint   _vftprintf
 128 #define  wxVprintf   _vtprintf
 129 #define  wxVsscanf   _vstscanf
 130 #define  wxVsprintf  _vstprintf
 131
 132    // stdlib.h functions
 133 #if !wxUSE_UNICODE
 134 #define  wxAtof      atof
 135 #endif
 136 #define  wxAtoi      _ttoi
 137 #define  wxAtol      _ttol
 138 #define  wxGetenv    _tgetenv
 139 #define  wxSystem    _tsystem
 140
 141    // time.h functions
 142 #define  wxAsctime   _tasctime
 143 #define  wxCtime     _tctime
 144
 145 // #elif defined(XXX)
 146    // #include XXX-specific files here
 147    // typeddef YYY wxChar;
 148
 149    // translate wxZZZ names
 150
 151 #elif defined(__BORLANDC__) && defined(__WIN32__)
 152
 153 // Borland C++ 4.52 doesn't have much tchar support
 154 // maybe Borland C++ 5.02 has, can't check right now
 155 // but I'll use the Win32 API instead here
 156
 157 #include <tchar.h>
 158 #if wxUSE_UNICODE // temporary - preserve binary compatibility
 159 typedef  _TCHAR      wxChar;
 160 typedef  _TSCHAR     wxSChar;
 161 typedef  _TUCHAR     wxUChar;
 162 #else
 163 #define wxChar char
 164 #define wxSChar signed char
 165 #define wxUChar unsigned char
 166 #endif
 167    // wchar_t is available
 168 #undef wxUSE_WCHAR_T
 169 #define wxUSE_WCHAR_T 1
 170
 171 #define wxNEED_WX_CTYPE_H
 172 // #define  wxStrtok    strtok_r // Borland C++ 4.52 doesn't have strtok_r
 173 #define wxNEED_WX_STRING_H
 174 #define wxNEED_WX_STDIO_H
 175 #define wxNEED_WX_STDLIB_H
 176 #define wxNEED_WX_TIME_H
 177 #define wxNEED_WCSLEN
 178
 179 #else//!TCHAR-aware compilers
 180
 181 // check whether we should include wchar.h or equivalent
 182 #if wxUSE_UNICODE
 183  #undef wxUSE_WCHAR_T
 184  #define wxUSE_WCHAR_T 1 // wchar_t *must* be available in Unicode mode
 185 #elif !defined(wxUSE_WCHAR_T)
 186  #if defined(__VISUALC__) && (__VISUALC__ < 900)
 187   #define wxUSE_WCHAR_T 0 // wchar_t is not available for MSVC++ 1.5
 188  #elif defined(__UNIX__)
 189   #if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__)
 190    #define wxUSE_WCHAR_T 1
 191   #else
 192    #define wxUSE_WCHAR_T 0
 193   #endif
 194  #elif defined(__GNUWIN32__) && !defined(__MINGW32__) // Cygwin (not Mingw32) doesn't have wcslen.h, needed in buffer.h
 195   #define wxUSE_WCHAR_T 0
 196  #else
 197   // add additional compiler checks if this fails
 198   #define wxUSE_WCHAR_T 1
 199  #endif
 200 #endif//wxUSE_UNICODE
 201
 202 #if wxUSE_WCHAR_T
 203  #ifdef HAVE_WCSTR_H
 204   #include <wcstr.h>
 205  #else
 206   #ifndef __FreeBSD__
 207    #include <wchar.h>
 208   #else
 209    #include <stdlib.h>
 210    #define wxNEED_WCSLEN
 211   #endif
 212  #endif
 213 #endif
 214
 215 // check whether we are doing Unicode
 216 #if wxUSE_UNICODE
 217
 218 #include <wctype.h>
 219
 220 // this is probably glibc-specific
 221 #if defined(__WCHAR_TYPE__)
 222
 223 typedef __WCHAR_TYPE__          wxChar;
 224 typedef signed __WCHAR_TYPE__   wxSChar;
 225 typedef unsigned __WCHAR_TYPE__ wxUChar;
 226
 227 #define _T(x)                   L##x
 228
 229    // ctype.h functions (wctype.h)
 230 #define  wxIsalnum   iswalnum
 231 #define  wxIsalpha   iswalpha
 232 #define  wxIsctrl    iswcntrl
 233 #define  wxIsdigit   iswdigit
 234 #define  wxIsgraph   iswgraph
 235 #define  wxIslower   iswlower
 236 #define  wxIsprint   iswprint
 237 #define  wxIspunct   iswpunct
 238 #define  wxIsspace   iswspace
 239 #define  wxIsupper   iswupper
 240 #define  wxIsxdigit  iswxdigit
 241
 242 #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 243     // /usr/include/wctype.h incorrectly declares translations tables which
 244     // provokes tons of compile-time warnings - try to correct this
 245     #define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
 246     #define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
 247 #else
 248     #define  wxTolower   towlower
 249     #define  wxToupper   towupper
 250 #endif // gcc/!gcc
 251
 252    // string.h functions (wchar.h)
 253 #define  wxStrcat    wcscat
 254 #define  wxStrchr    wcschr
 255 #define  wxStrcmp    wcscmp
 256 #define  wxStrcoll   wcscoll
 257 #define  wxStrcpy    wcscpy
 258 #define  wxStrcspn   wcscspn
 259 #define  wxStrlen_   wcslen // used in wxStrlen inline function
 260 #define  wxStrncat   wcsncat
 261 #define  wxStrncmp   wcsncmp
 262 #define  wxStrncpy   wcsncpy
 263 #define  wxStrpbrk   wcspbrk
 264 #define  wxStrrchr   wcsrchr
 265 #define  wxStrspn    wcsspn
 266 #define  wxStrstr    wcsstr
 267 #define  wxStrtod    wcstod
 268 #define  wxStrtok    wcstok
 269 #define  wxStrtol    wcstol
 270 #define  wxStrtoul   wcstoul
 271 #define  wxStrxfrm   wcsxfrm
 272
 273 // glibc doesn't have wc equivalents of the other stuff
 274 #define wxNEED_WX_STDIO_H
 275 #define wxNEED_WX_STDLIB_H
 276 #define wxNEED_WX_TIME_H
 277
 278 #else//!glibc
 279 #error   "Please define your compiler's Unicode conventions in wxChar.h"
 280 #endif
 281 #else//!Unicode
 282
 283 #include <ctype.h>
 284 #include <string.h>
 285
 286 #if 0 // temporary - preserve binary compatibilty
 287 typedef char            wxChar;
 288 typedef signed char     wxSChar;
 289 typedef unsigned char   wxUChar;
 290 #else
 291 #define wxChar char
 292 #define wxSChar signed char
 293 #define wxUChar unsigned char
 294 #endif
 295
 296 #ifdef __FreeBSD__
 297  #undef _T
 298 #endif
 299 #define _T(x)           x
 300
 301    // ctype.h functions
 302 #define  wxIsalnum   isalnum
 303 #define  wxIsalpha   isalpha
 304 #define  wxIsctrl    isctrl
 305 #define  wxIsdigit   isdigit
 306 #define  wxIsgraph   isgraph
 307 #define  wxIslower   islower
 308 #define  wxIsprint   isprint
 309 #define  wxIspunct   ispunct
 310 #define  wxIsspace   isspace
 311 #define  wxIsupper   isupper
 312 #define  wxIsxdigit  isxdigit
 313 #define  wxTolower   tolower
 314 #define  wxToupper   toupper
 315
 316    // locale.h functons
 317 #define  wxSetlocale setlocale
 318
 319    // string.h functions
 320 #define  wxStricmp   strcasecmp
 321 // #define  wxStrtok    strtok_r // this needs a configure check
 322
 323    // leave the rest to defaults below
 324 #define wxNEED_WX_STRING_H
 325 #define wxNEED_WX_STDIO_H
 326 #define wxNEED_WX_STDLIB_H
 327 #define wxNEED_WX_TIME_H
 328
 329 #endif//Unicode
 330 #endif//TCHAR-aware compilers
 331
 332 // define wxStricmp for various compilers without Unicode possibilities
 333 #if !defined(wxStricmp) && !wxUSE_UNICODE
 334 #if defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__SALFORDC__)
 335     #define wxStricmp stricmp
 336 #elif defined(__SC__) || defined(__VISUALC__) || (defined(__MWERKS) && defined(__INTEL__))
 337     #define wxStricmp _stricmp
 338 #elif defined(__UNIX__) || defined(__GNUWIN32__)
 339     #define wxStricmp strcasecmp
 340 #elif defined(__MWERKS__) && !defined(__INTEL__)
 341     // use wxWindows' implementation
 342 #else
 343     // if you leave wxStricmp undefined, wxWindows' implementation will be used
 344     #error  "Please define string case-insensitive compare for your OS/compiler"
 345 #endif
 346 #endif
 347
 348 // if we need to define for standard headers, and we're not using Unicode,
 349 // just define to standard C library routines
 350 #if !wxUSE_UNICODE
 351 #ifdef wxNEED_WX_STRING_H
 352 #define  wxStrcat    strcat
 353 #define  wxStrchr    strchr
 354 #define  wxStrcmp    strcmp
 355 #define  wxStrcoll   strcoll
 356 #define  wxStrcpy    strcpy
 357 #define  wxStrcspn   strcspn
 358 #define  wxStrdup    strdup
 359 #define  wxStrlen_   strlen // used in wxStrlen inline function
 360 #define  wxStrncat   strncat
 361 #define  wxStrncmp   strncmp
 362 #define  wxStrncpy   strncpy
 363 #define  wxStrpbrk   strpbrk
 364 #define  wxStrrchr   strrchr
 365 #define  wxStrspn    strspn
 366 #define  wxStrstr    strstr
 367 #define  wxStrtod    strtod
 368 #define  wxStrtol    strtol
 369 #define  wxStrtoul   strtoul
 370 #define  wxStrxfrm   strxfrm
 371 #undef wxNEED_WX_STRING_H
 372 #endif
 373
 374 #ifdef wxNEED_WX_STDIO_H
 375 #define  wxFgetc     fgetc
 376 #define  wxFgetchar  fgetchar
 377 #define  wxFgets     fgets
 378 #define  wxFopen     fopen
 379 #define  wxFputc     fputc
 380 #define  wxFputchar  fputchar
 381 #define  wxFprintf   fprintf
 382 #define  wxFreopen   freopen
 383 #define  wxFscanf    fscanf
 384 #define  wxGetc      getc
 385 #define  wxGetchar   getchar
 386 #define  wxGets      gets
 387 #define  wxPerror    perror
 388 #define  wxPrintf    printf
 389 #define  wxPutc      putc
 390 #define  wxPutchar   putchar
 391 #define  wxPuts      puts
 392 #define  wxRemove    remove
 393 #define  wxRename    rename
 394 #define  wxScanf     scanf
 395 #define  wxSprintf   sprintf
 396 #define  wxSscanf    sscanf
 397 #define  wxTmpnam    tmpnam
 398 #define  wxUngetc    ungetc
 399 #define  wxVfprint   vfprintf
 400 #define  wxVprintf   vprintf
 401 #define  wxVsscanf   vsscanf
 402 #define  wxVsprintf  vsprintf
 403 #undef wxNEED_WX_STDIO_H
 404 #endif
 405
 406 #ifdef wxNEED_WX_STDLIB_H
 407 #define  wxAtof      atof
 408 #define  wxAtoi      atoi
 409 #define  wxAtol      atol
 410 #define  wxGetenv    getenv
 411 #define  wxSystem    system
 412 #undef wxNEED_WX_STDLIB_H
 413 #endif
 414
 415 #ifdef wxNEED_WX_TIME_H
 416 #define  wxAsctime   asctime
 417 #define  wxCtime     ctime
 418 #define  wxStrftime  strftime
 419 #undef wxNEED_WX_TIME_H
 420 #endif
 421 #endif //!Unicode
 422
 423 #if defined(wxNEED_WCSLEN) && wxUSE_UNICODE
 424 #define wcslen wxStrlen
 425 #undef wxNEED_WCSLEN
 426 #endif
 427
 428 /// checks whether the passed in pointer is NULL and if the string is empty
 429 inline bool WXDLLEXPORT wxIsEmpty(const wxChar *p) { return !p || !*p; }
 430
 431 #ifndef wxNEED_WX_STRING_H
 432 /// safe version of strlen() (returns 0 if passed NULL pointer)
 433 inline size_t WXDLLEXPORT wxStrlen(const wxChar *psz)
 434    { return psz ? wxStrlen_(psz) : 0; }
 435 #endif
 436
 437 #if wxUSE_WCHAR_T
 438 // multibyte<->widechar conversion
 439 size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n);
 440 size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *psz, size_t n);
 441 #if wxUSE_UNICODE
 442 #define wxMB2WX wxMB2WC
 443 #define wxWX2MB wxWC2MB
 444 #define wxWC2WX wxStrncpy
 445 #define wxWX2WC wxStrncpy
 446 #else
 447 #define wxMB2WX wxStrncpy
 448 #define wxWX2MB wxStrncpy
 449 #define wxWC2WX wxWC2MB
 450 #define wxWX2WC wxMB2WC
 451 #endif
 452 #endif
 453 bool WXDLLEXPORT wxOKlibc(); // for internal use
 454
 455 // if libc versions are not available, use replacements defined in wxchar.cpp
 456 #ifndef wxStrdup
 457 wxChar * WXDLLEXPORT wxStrdup(const wxChar *psz);
 458 #endif
 459
 460 #ifndef wxStricmp
 461 int      WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2);
 462 #endif
 463
 464 #ifndef wxStrtok
 465 wxChar * WXDLLEXPORT wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
 466 #endif
 467
 468 #ifndef wxSetlocale
 469 wxChar * WXDLLEXPORT wxSetlocale(int category, const wxChar *locale);
 470 #endif
 471
 472 #ifdef wxNEED_WCSLEN // for use in buffer.h
 473 size_t   WXDLLEXPORT wcslen(const wchar_t *s);
 474 #endif
 475
 476 #ifdef wxNEED_WX_CTYPE_H
 477 int WXDLLEXPORT wxIsalnum(wxChar ch);
 478 int WXDLLEXPORT wxIsalpha(wxChar ch);
 479 int WXDLLEXPORT wxIsctrl(wxChar ch);
 480 int WXDLLEXPORT wxIsdigit(wxChar ch);
 481 int WXDLLEXPORT wxIsgraph(wxChar ch);
 482 int WXDLLEXPORT wxIslower(wxChar ch);
 483 int WXDLLEXPORT wxIsprint(wxChar ch);
 484 int WXDLLEXPORT wxIspunct(wxChar ch);
 485 int WXDLLEXPORT wxIsspace(wxChar ch);
 486 int WXDLLEXPORT wxIsupper(wxChar ch);
 487 int WXDLLEXPORT wxIsxdigit(wxChar ch);
 488 int WXDLLEXPORT wxTolower(wxChar ch);
 489 int WXDLLEXPORT wxToupper(wxChar ch);
 490 #endif
 491
 492 #ifdef wxNEED_WX_STRING_H
 493 wxChar * WXDLLEXPORT wxStrcat(wxChar *dest, const wxChar *src);
 494 wxChar * WXDLLEXPORT wxStrchr(const wxChar *s, wxChar c);
 495 int      WXDLLEXPORT wxStrcmp(const wxChar *s1, const wxChar *s2);
 496 int      WXDLLEXPORT wxStrcoll(const wxChar *s1, const wxChar *s2);
 497 wxChar * WXDLLEXPORT wxStrcpy(wxChar *dest, const wxChar *src);
 498 size_t   WXDLLEXPORT wxStrcspn(const wxChar *s, const wxChar *reject);
 499 size_t   WXDLLEXPORT wxStrlen(const wxChar *s);
 500 wxChar * WXDLLEXPORT wxStrncat(wxChar *dest, const wxChar *src, size_t n);
 501 int      WXDLLEXPORT wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
 502 wxChar * WXDLLEXPORT wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
 503 wxChar * WXDLLEXPORT wxStrpbrk(const wxChar *s, const wxChar *accept);
 504 wxChar * WXDLLEXPORT wxStrrchr(const wxChar *s, wxChar c);
 505 size_t   WXDLLEXPORT wxStrspn(const wxChar *s, const wxChar *accept);
 506 wxChar * WXDLLEXPORT wxStrstr(const wxChar *haystack, const wxChar *needle);
 507 double   WXDLLEXPORT wxStrtod(const wxChar *nptr, wxChar **endptr);
 508 long int WXDLLEXPORT wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
 509 unsigned long int WXDLLEXPORT wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
 510 size_t   WXDLLEXPORT wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
 511 #endif
 512
 513 #ifdef wxNEED_WX_STDIO_H
 514 #include <stdio.h>
 515 #include <stdarg.h>
 516 int      WXDLLEXPORT wxPrintf(const wxChar *fmt, ...);
 517 int      WXDLLEXPORT wxVprintf(const wxChar *fmt, va_list argptr);
 518 int      WXDLLEXPORT wxFprintf(FILE *stream, const wxChar *fmt, ...);
 519 int      WXDLLEXPORT wxVfprintf(FILE *stream, const wxChar *fmt, va_list argptr);
 520 int      WXDLLEXPORT wxSprintf(wxChar *buf, const wxChar *fmt, ...);
 521 int      WXDLLEXPORT wxVsprintf(wxChar *buf, const wxChar *fmt, va_list argptr);
 522 int      WXDLLEXPORT wxSscanf(const wxChar *buf, const wxChar *fmt, ...);
 523 int      WXDLLEXPORT wxVsscanf(const wxChar *buf, const wxChar *fmt, va_list argptr);
 524 #endif
 525
 526 #ifndef wxAtof
 527 double   WXDLLEXPORT wxAtof(const wxChar *psz);
 528 #endif
 529
 530 #ifdef wxNEED_WX_STDLIB_H
 531 int      WXDLLEXPORT wxAtoi(const wxChar *psz);
 532 long     WXDLLEXPORT wxAtol(const wxChar *psz);
 533 wxChar * WXDLLEXPORT wxGetenv(const wxChar *name);
 534 int      WXDLLEXPORT wxSystem(const wxChar *psz);
 535 #endif
 536
 537 #endif
 538   //_WX_WXCHAR_H_