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 #define  wxStrtok    _tcstok
  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 #define  wxAtoi      _ttoi
 108 #define  wxAtol      _ttol
 109 #define  wxGetenv    _tgetenv
 110 #define  wxSystem    _tsystem
 111
 112    // time.h functions
 113 #define  wxAsctime   _tasctime
 114 #define  wxCtime     _tctime
 115
 116 // #elif defined(XXX)
 117    // #include XXX-specific files here
 118    // typeddef YYY wxChar;
 119
 120    // translate wxZZZ names
 121
 122 #else//!Windows (VC++)
 123
 124 // check whether we are doing Unicode
 125 #if wxUSE_UNICODE
 126
 127 #include <wchar.h>
 128 #include <wctype.h>
 129
 130 // this is probably glibc-specific
 131 #if defined(__WCHAR_TYPE__)
 132
 133 typedef __WCHAR_TYPE__          wxChar;
 134 typedef signed __WCHAR_TYPE__   wxSChar;
 135 typedef unsigned __WCHAR_TYPE__ wxUChar;
 136
 137 #define _T(x)                   L##x
 138
 139    // ctype.h functions (wctype.h)
 140 #define  wxIsalnum   iswalnum
 141 #define  wxIsalpha   iswalpha
 142 #define  wxIsctrl    iswcntrl
 143 #define  wxIsdigit   iswdigit
 144 #define  wxIsgraph   iswgraph
 145 #define  wxIslower   iswlower
 146 #define  wxIsprint   iswprint
 147 #define  wxIspunct   iswpunct
 148 #define  wxIsspace   iswspace
 149 #define  wxIsupper   iswupper
 150 #define  wxIsxdigit  iswxdigit
 151 #define  wxTolower   towlower
 152 #define  wxToupper   towupper
 153
 154    // string.h functions (wchar.h)
 155 #define  wxStrcat    wcscat
 156 #define  wxStrchr    wcschr
 157 #define  wxStrcmp    wcscmp
 158 #define  wxStrcoll   wcscoll
 159 #define  wxStrcpy    wcscpy
 160 #define  wxStrcspn   wcscspn
 161 #define  wxStrncat   wcsncat
 162 #define  wxStrncmp   wcsncmp
 163 #define  wxStrncpy   wcsncpy
 164 #define  wxStrpbrk   wcspbrk
 165 #define  wxStrrchr   wcsrchr
 166 #define  wxStrspn    wcsspn
 167 #define  wxStrstr    wcsstr
 168 #define  wxStrtod    wcstod
 169 #define  wxStrtok    wcstok
 170 #define  wxStrtol    wcstol
 171 #define  wxStrtoul   wcstoul
 172 #define  wxStrxfrm   wcsxfrm
 173
 174 // glibc doesn't have wc equivalents of the other stuff
 175 // do we need to write wrappers for them?
 176
 177 #else
 178 #error   "Please define your compiler's Unicode conventions in wxChar.h"
 179 #endif
 180 #else//!Unicode
 181
 182 #if 0 // temporary - preserve binary compatibilty
 183 typedef char            wxChar;
 184 typedef signed char     wxSChar;
 185 typedef unsigned char   wxUChar;
 186 #else
 187 #define wxChar char
 188 #define wxSChar signed char
 189 #define wxUChar unsigned char
 190 #endif
 191
 192 #define _T(x)           x
 193
 194    // ctype.h functions
 195 #define  wxIsalnum   isalnum
 196 #define  wxIsalpha   isalpha
 197 #define  wxIsctrl    isctrl
 198 #define  wxIsdigit   isdigit
 199 #define  wxIsgraph   isgraph
 200 #define  wxIslower   islower
 201 #define  wxIsprint   isprint
 202 #define  wxIspunct   ispunct
 203 #define  wxIsspace   isspace
 204 #define  wxIsupper   isupper
 205 #define  wxIsxdigit  isxdigit
 206 #define  wxTolower   tolower
 207 #define  wxToupper   toupper
 208
 209    // locale.h functons
 210 #define  wxSetlocale setlocale
 211
 212    // string.h functions
 213 #define  wxStrcat    strcat
 214 #define  wxStrchr    strchr
 215 #define  wxStrcmp    strcmp
 216 #define  wxStrcoll   strcoll
 217 #define  wxStrcpy    strcpy
 218 #define  wxStrcspn   strcspn
 219 #define  wxStrncat   strncat
 220 #define  wxStrncmp   strncmp
 221 #define  wxStrncpy   strncpy
 222 #define  wxStrpbrk   strpbrk
 223 #define  wxStrrchr   strrchr
 224 #define  wxStrspn    strspn
 225 #define  wxStrstr    strstr
 226 #define  wxStrtod    strtod
 227 #define  wxStrtok    strtok
 228 #define  wxStrtol    strtol
 229 #define  wxStrtoul   strtoul
 230 #define  wxStrxfrm   strxfrm
 231
 232    // stdio.h functions
 233 #define  wxFgetc     fgetc
 234 #define  wxFgetchar  fgetchar
 235 #define  wxFgets     fgets
 236 #define  wxFopen     fopen
 237 #define  wxFputc     fputc
 238 #define  wxFputchar  fputchar
 239 #define  wxFprintf   fprintf
 240 #define  wxFreopen   freopen
 241 #define  wxFscanf    fscanf
 242 #define  wxGetc      getc
 243 #define  wxGetchar   getchar
 244 #define  wxGets      gets
 245 #define  wxPerror    perror
 246 #define  wxPrintf    printf
 247 #define  wxPutc      putc
 248 #define  wxPutchar   putchar
 249 #define  wxPuts      puts
 250 #define  wxRemove    remove
 251 #define  wxRename    rename
 252 #define  wxScanf     scanf
 253 #define  wxSprintf   sprintf
 254 #define  wxSscanf    sscanf
 255 #define  wxTmpnam    tmpnam
 256 #define  wxUngetc    ungetc
 257 #define  wxVfprint   vfprintf
 258 #define  wxVprintf   vprintf
 259 #define  wxVsprintf  vsprintf
 260
 261    // stdlib.h functions
 262 #define  wxAtoi      atoi
 263 #define  wxAtol      atol
 264 #define  wxGetenv    getenv
 265 #define  wxSystem    system
 266
 267    // time.h functions
 268 #define  wxAsctime   asctime
 269 #define  wxCtime     ctime
 270 #define  wxStrftime  strftime
 271
 272 #endif//Unicode
 273 #endif
 274
 275
 276 /// checks whether the passed in pointer is NULL and if the string is empty
 277 inline bool WXDLLEXPORT wxIsEmpty(const wxChar *p) { return !p || !*p; }
 278
 279 /// safe version of strlen() (returns 0 if passed NULL pointer)
 280 inline size_t WXDLLEXPORT wxStrlen(const wxChar *psz)
 281 #if defined(__VISUALC__)
 282    { return psz ? _tcslen(psz) : 0; }
 283 #elif wxUSE_UNICODE
 284    { return psz ? wcslen(psz) : 0; }
 285 #else
 286    { return psz ? strlen(psz) : 0; }
 287 #endif
 288
 289 /// portable strcasecmp/_stricmp
 290 inline int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
 291 #if defined(__VISUALC__)
 292    { return _tcsicmp(psz1, psz2); }
 293 #elif defined(__BORLANDC__) && !wxUSE_UNICODE
 294    { return stricmp(psz1, psz2); }
 295 #elif defined(__UNIX__) || defined(__GNUWIN32__)
 296 #if !wxUSE_UNICODE
 297    { return strcasecmp(psz1, psz2); }
 298 #else // glibc doesn't seem to have wide char equivalent
 299    {
 300      register wxChar c1, c2;
 301      do {
 302        c1 = wxTolower(*psz1++);
 303        c2 = wxTolower(*psz2++);
 304      } while ( c1 && (c1 == c2) );
 305
 306      return c1 - c2;
 307    }
 308 #endif
 309 #else
 310   // almost all compilers/libraries provide this function (unfortunately under
 311   // different names), that's why we don't implement our own which will surely
 312   // be more efficient than this code (uncomment to use):
 313   /*
 314     register wxChar c1, c2;
 315     do {
 316       c1 = wxTolower(*psz1++);
 317       c2 = wxTolower(*psz2++);
 318     } while ( c1 && (c1 == c2) );
 319
 320     return c1 - c2;
 321   */
 322
 323   #error  "Please define string case-insensitive compare for your OS/compiler"
 324 #endif  // OS/compiler
 325
 326 /// portable strdup
 327 inline wxChar * WXDLLEXPORT wxStrdup(const wxChar *psz)
 328 #if !wxUSE_UNICODE
 329    { return strdup(psz); }
 330 #else
 331    {
 332      size_t size = (wxStrlen(psz) + 1) * sizeof(wxChar);
 333      wxChar *ret = (wxChar *) malloc(size);
 334      memcpy(ret, psz, size);
 335      return ret;
 336    }
 337 #endif
 338
 339 #endif
 340   //_WX_WXCHAR_H_