src/common/wxchar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/wxchar.cpp
   3 // Purpose:     wxChar implementation
   4 // Author:      Ove Kåven
   5 // Modified by: Ron Lee
   6 // Created:     09/04/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets copyright
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // headers, declarations, constants
  14 // ===========================================================================
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #define _ISOC9X_SOURCE 1 // to get vsscanf()
  24 #define _BSD_SOURCE    1 // to still get strdup()
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #ifndef __WXWINCE__
  31     #include <time.h>
  32     #include <locale.h>
  33 #else
  34     #include "wx/msw/wince/time.h"
  35 #endif
  36
  37 #ifndef WX_PRECOMP
  38     #include "wx/wxchar.h"
  39     #include "wx/string.h"
  40     #include "wx/hash.h"
  41 #endif
  42   #include "wx/utils.h"     // for wxMin and wxMax
  43
  44 #if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
  45   #include <windef.h>
  46     #include <winbase.h>
  47     #include <winnls.h>
  48     #include <winnt.h>
  49 #endif
  50
  51 #if defined(__MWERKS__) && __MSL__ >= 0x6000
  52 namespace std {}
  53 using namespace std ;
  54 #endif
  55
  56 #if wxUSE_WCHAR_T
  57 size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
  58 {
  59   // assume that we have mbsrtowcs() too if we have wcsrtombs()
  60 #ifdef HAVE_WCSRTOMBS
  61   mbstate_t mbstate;
  62   memset(&mbstate, 0, sizeof(mbstate_t));
  63 #endif
  64
  65   if (buf) {
  66     if (!n || !*psz) {
  67       if (n) *buf = wxT('\0');
  68       return 0;
  69     }
  70 #ifdef HAVE_WCSRTOMBS
  71     return mbsrtowcs(buf, &psz, n, &mbstate);
  72 #else
  73     return wxMbstowcs(buf, psz, n);
  74 #endif
  75   }
  76
  77   // note that we rely on common (and required by Unix98 but unfortunately not
  78   // C99) extension which allows to call mbs(r)towcs() with NULL output pointer
  79   // to just get the size of the needed buffer -- this is needed as otherwise
  80   // we have no idea about how much space we need and if the CRT doesn't
  81   // support it (the only currently known example being Metrowerks, see
  82   // wx/wxchar.h) we don't use its mbstowcs() at all
  83 #ifdef HAVE_WCSRTOMBS
  84   return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
  85 #else
  86   return wxMbstowcs((wchar_t *) NULL, psz, 0);
  87 #endif
  88 }
  89
  90 size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
  91 {
  92 #ifdef HAVE_WCSRTOMBS
  93   mbstate_t mbstate;
  94   memset(&mbstate, 0, sizeof(mbstate_t));
  95 #endif
  96
  97   if (buf) {
  98     if (!n || !*pwz) {
  99       // glibc2.1 chokes on null input
 100       if (n) *buf = '\0';
 101       return 0;
 102     }
 103 #ifdef HAVE_WCSRTOMBS
 104     return wcsrtombs(buf, &pwz, n, &mbstate);
 105 #else
 106     return wxWcstombs(buf, pwz, n);
 107 #endif
 108   }
 109
 110 #ifdef HAVE_WCSRTOMBS
 111   return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
 112 #else
 113   return wxWcstombs((char *) NULL, pwz, 0);
 114 #endif
 115 }
 116 #endif // wxUSE_WCHAR_T
 117
 118 bool WXDLLEXPORT wxOKlibc()
 119 {
 120 #if wxUSE_WCHAR_T && defined(__UNIX__) && defined(__GLIBC__) && !defined(__WINE__)
 121   // glibc 2.0 uses UTF-8 even when it shouldn't
 122   wchar_t res = 0;
 123   if ((MB_CUR_MAX == 2) &&
 124       (wxMB2WC(&res, "\xdd\xa5", 1) == 1) &&
 125       (res==0x765)) {
 126     // this is UTF-8 allright, check whether that's what we want
 127     char *cur_locale = setlocale(LC_CTYPE, NULL);
 128     if ((strlen(cur_locale) < 4) ||
 129             (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) ||
 130             (strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
 131       // nope, don't use libc conversion
 132       return false;
 133     }
 134   }
 135 #endif
 136   return true;
 137 }
 138
 139 // ============================================================================
 140 // printf() functions business
 141 // ============================================================================
 142
 143 // special test mode: define all functions below even if we don't really need
 144 // them to be able to test them
 145 #ifdef wxTEST_PRINTF
 146     #undef wxFprintf
 147     #undef wxPrintf
 148     #undef wxSprintf
 149     #undef wxVfprintf
 150     #undef wxVsprintf
 151     #undef wxVprintf
 152     #undef wxVsnprintf_
 153     #undef wxSnprintf_
 154
 155     #define wxNEED_WPRINTF
 156
 157     int wxVfprintf( FILE *stream, const wxChar *format, va_list argptr );
 158 #endif
 159
 160 // ----------------------------------------------------------------------------
 161 // implement [v]snprintf() if the system doesn't provide a safe one
 162 // or if the system's one does not support positional parameters
 163 // (very useful for i18n purposes)
 164 // ----------------------------------------------------------------------------
 165
 166 #if !defined(wxVsnprintf_)
 167
 168 // wxUSE_STRUTILS says our wxVsnprintf_ implementation to use or not to
 169 // use wxStrlen and wxStrncpy functions over one-char processing loops.
 170 //
 171 // Some benchmarking revealed that wxUSE_STRUTILS == 1 has the following
 172 // effects:
 173 // -> on Windows:
 174 //     when in ANSI mode, this setting does not change almost anything
 175 //     when in Unicode mode, it gives ~ 50% of slowdown !
 176 // -> on Linux:
 177 //     both in ANSI and Unicode mode it gives ~ 60% of speedup !
 178 //
 179 #if defined(WIN32) && wxUSE_UNICODE
 180 #define wxUSE_STRUTILS      0
 181 #else
 182 #define wxUSE_STRUTILS      1
 183 #endif
 184
 185 // some limits of our implementation
 186 #define wxMAX_SVNPRINTF_ARGUMENTS         64
 187 #define wxMAX_SVNPRINTF_FLAGBUFFER_LEN    32
 188
 189 // the conversion specifiers accepted by wxMyPosVsnprintf_
 190 enum wxPrintfArgType {
 191     wxPAT_INVALID = -1,
 192
 193     wxPAT_INT,          // %d, %i, %o, %u, %x, %X
 194     wxPAT_LONGINT,      // %ld, etc
 195 #if SIZEOF_LONG_LONG
 196     wxPAT_LONGLONGINT,  // %Ld, etc
 197 #endif
 198     wxPAT_SIZET,        // %Zd, etc
 199
 200     wxPAT_DOUBLE,       // %e, %E, %f, %g, %G
 201     wxPAT_LONGDOUBLE,   // %le, etc
 202
 203     wxPAT_POINTER,      // %p
 204
 205     wxPAT_CHAR,         // %hc  (in ANSI mode: %c, too)
 206     wxPAT_WCHAR,        // %lc  (in Unicode mode: %c, too)
 207
 208     wxPAT_PCHAR,        // %s   (related to a char *)
 209     wxPAT_PWCHAR,       // %s   (related to a wchar_t *)
 210
 211     wxPAT_NINT,         // %n
 212     wxPAT_NSHORTINT,    // %hn
 213     wxPAT_NLONGINT      // %ln
 214 };
 215
 216 // an argument passed to wxMyPosVsnprintf_
 217 typedef union {
 218     int pad_int;                        //  %d, %i, %o, %u, %x, %X
 219     long int pad_longint;               // %ld, etc
 220 #if SIZEOF_LONG_LONG
 221     long long int pad_longlongint;      // %Ld, etc
 222 #endif
 223     size_t pad_sizet;                   // %Zd, etc
 224
 225     double pad_double;                  // %e, %E, %f, %g, %G
 226     long double pad_longdouble;         // %le, etc
 227
 228     void *pad_pointer;                  // %p
 229
 230     char pad_char;                      // %hc  (in ANSI mode: %c, too)
 231     wchar_t pad_wchar;                  // %lc  (in Unicode mode: %c, too)
 232
 233     char *pad_pchar;                    // %s   (related to a char *)
 234     wchar_t *pad_pwchar;                // %s   (related to a wchar_t *)
 235
 236     int *pad_nint;                      // %n
 237     short int *pad_nshortint;           // %hn
 238     long int *pad_nlongint;             // %ln
 239 } wxPrintfArg;
 240
 241
 242 // Contains parsed data relative to a conversion specifier given to
 243 // wxMyPosVsnprintf_ and parsed from the format string
 244 // NOTE: in C++ there is almost no difference between struct & classes thus
 245 //       there is no performance gain by using a struct here...
 246 class wxPrintfConvSpec
 247 {
 248 public:
 249
 250     // the position of the argument relative to this conversion specifier
 251     size_t pos;
 252
 253     // the type of this conversion specifier
 254     wxPrintfArgType type;
 255
 256     // the minimum and maximum width
 257     // when one of this var is set to -1 it means: use the following argument
 258     // in the stack as minimum/maximum width for this conversion specifier
 259     int min_width, max_width;
 260
 261     // does the argument need to the be aligned to left ?
 262     bool adj_left;
 263
 264     // pointer to the '%' of this conversion specifier in the format string
 265     // NOTE: this points somewhere in the string given to the Parse() function -
 266     //       it's task of the caller ensure that memory is still valid !
 267     const wxChar *argpos;
 268
 269     // pointer to the last character of this conversion specifier in the
 270     // format string
 271     // NOTE: this points somewhere in the string given to the Parse() function -
 272     //       it's task of the caller ensure that memory is still valid !
 273     const wxChar *argend;
 274
 275     // a little buffer where formatting flags like #+\.hlqLZ are stored by Parse()
 276     // for use in Process()
 277     char szFlags[wxMAX_SVNPRINTF_FLAGBUFFER_LEN];
 278
 279
 280 public:
 281
 282     // we don't declare this as a constructor otherwise it would be called
 283     // automatically and we don't want this: to be optimized, wxMyPosVsnprintf_
 284     // calls this function only on really-used instances of this class.
 285     void Init();
 286
 287     // Parses the first conversion specifier in the given string, which must
 288     // begin with a '%'. Returns false if the first '%' does not introduce a
 289     // (valid) conversion specifier and thus should be ignored.
 290     bool Parse(const wxChar *format);
 291
 292     // Process this conversion specifier and puts the result in the given
 293     // buffer. Returns the number of characters written in 'buf' or -1 if
 294     // there's not enough space.
 295     int Process(wxChar *buf, size_t lenMax, wxPrintfArg *p);
 296
 297     // Loads the argument of this conversion specifier from given va_list.
 298     bool LoadArg(wxPrintfArg *p, va_list &argptr);
 299
 300 private:
 301     // An helper function of LoadArg() which is used to handle the '*' flag
 302     void ReplaceAsteriskWith(int w);
 303 };
 304
 305 void wxPrintfConvSpec::Init()
 306 {
 307     min_width = 0;
 308     max_width = 0xFFFF;
 309     pos = 0;
 310     adj_left = false;
 311     argpos = argend = NULL;
 312     type = wxPAT_INVALID;
 313     szFlags[0] = wxT('%');
 314 }
 315
 316 bool wxPrintfConvSpec::Parse(const wxChar *format)
 317 {
 318     bool done = false;
 319
 320     // temporary parse data
 321     size_t flagofs = 1;
 322     bool in_prec, prec_dot;
 323     int ilen = 0;
 324
 325     adj_left = in_prec = prec_dot = false;
 326     argpos = argend = format;
 327     do
 328     {
 329 #define CHECK_PREC \
 330         if (in_prec && !prec_dot) \
 331         { \
 332             szFlags[flagofs++] = '.'; \
 333             prec_dot = true; \
 334         }
 335
 336         // what follows '%'?
 337         const wxChar ch = *(++argend);
 338         switch ( ch )
 339         {
 340             case wxT('\0'):
 341                 return false;       // not really an argument
 342
 343             case wxT('%'):
 344                 return false;       // not really an argument
 345
 346             case wxT('#'):
 347             case wxT('0'):
 348             case wxT(' '):
 349             case wxT('+'):
 350             case wxT('\''):
 351                 CHECK_PREC
 352                 szFlags[flagofs++] = ch;
 353                 break;
 354
 355             case wxT('-'):
 356                 CHECK_PREC
 357                 adj_left = true;
 358                 szFlags[flagofs++] = ch;
 359                 break;
 360
 361             case wxT('.'):
 362                 CHECK_PREC
 363                 in_prec = true;
 364                 prec_dot = false;
 365                 max_width = 0;
 366                 // dot will be auto-added to szFlags if non-negative
 367                 // number follows
 368                 break;
 369
 370             case wxT('h'):
 371                 ilen = -1;
 372                 CHECK_PREC
 373                 szFlags[flagofs++] = ch;
 374                 break;
 375
 376             case wxT('l'):
 377                 ilen = 1;
 378                 CHECK_PREC
 379                 szFlags[flagofs++] = ch;
 380                 break;
 381
 382             case wxT('q'):
 383             case wxT('L'):
 384                 ilen = 2;
 385                 CHECK_PREC
 386                 szFlags[flagofs++] = ch;
 387                 break;
 388
 389             case wxT('Z'):
 390                 ilen = 3;
 391                 CHECK_PREC
 392                 szFlags[flagofs++] = ch;
 393                 break;
 394
 395             case wxT('*'):
 396                 if (in_prec)
 397                 {
 398                     CHECK_PREC
 399
 400                     // tell Process() to use the next argument
 401                     // in the stack as maxwidth...
 402                     max_width = -1;
 403                 }
 404                 else
 405                 {
 406                     // tell Process() to use the next argument
 407                     // in the stack as minwidth...
 408                     min_width = -1;
 409                 }
 410
 411                 // save the * in our formatting buffer...
 412                 // will be replaced later by Process()
 413                 szFlags[flagofs++] = ch;
 414                 break;
 415
 416             case wxT('1'): case wxT('2'): case wxT('3'):
 417             case wxT('4'): case wxT('5'): case wxT('6'):
 418             case wxT('7'): case wxT('8'): case wxT('9'):
 419                 {
 420                     int len = 0;
 421                     CHECK_PREC
 422                     while ( (*argend >= wxT('0')) &&
 423                             (*argend <= wxT('9')) )
 424                     {
 425                         szFlags[flagofs++] = *argend;
 426                         len = len*10 + (*argend - wxT('0'));
 427                         argend++;
 428                     }
 429
 430                     if (in_prec)
 431                         max_width = len;
 432                     else
 433                         min_width = len;
 434
 435                     argend--; // the main loop pre-increments n again
 436                 }
 437                 break;
 438
 439             case wxT('$'):      // a positional parameter (e.g. %2$s) ?
 440                 {
 441                     if (min_width <= 0)
 442                         break;      // ignore this formatting flag as no
 443                                     // numbers are preceding it
 444
 445                     // remove from szFlags all digits previously added
 446                     do {
 447                         flagofs--;
 448                     } while (szFlags[flagofs] >= '1' &&
 449                              szFlags[flagofs] <= '9');
 450
 451                     // re-adjust the offset making it point to the
 452                     // next free char of szFlags
 453                     flagofs++;
 454
 455                     pos = min_width;
 456                     min_width = 0;
 457                 }
 458                 break;
 459
 460             case wxT('d'):
 461             case wxT('i'):
 462             case wxT('o'):
 463             case wxT('u'):
 464             case wxT('x'):
 465             case wxT('X'):
 466                 CHECK_PREC
 467                 szFlags[flagofs++] = ch;
 468                 szFlags[flagofs] = '\0';
 469                 if (ilen == 0)
 470                     type = wxPAT_INT;
 471                 else if (ilen == -1)
 472                     // NB: 'short int' value passed through '...'
 473                     //      is promoted to 'int', so we have to get
 474                     //      an int from stack even if we need a short
 475                     type = wxPAT_INT;
 476                 else if (ilen == 1)
 477                     type = wxPAT_LONGINT;
 478                 else if (ilen == 2)
 479 #if SIZEOF_LONG_LONG
 480                     type = wxPAT_LONGLONGINT;
 481 #else // !long long
 482                     type = wxPAT_LONGINT;
 483 #endif // long long/!long long
 484                 else if (ilen == 3)
 485                     type = wxPAT_SIZET;
 486                 done = true;
 487                 break;
 488
 489             case wxT('e'):
 490             case wxT('E'):
 491             case wxT('f'):
 492             case wxT('g'):
 493             case wxT('G'):
 494                 CHECK_PREC
 495                 szFlags[flagofs++] = ch;
 496                 szFlags[flagofs] = '\0';
 497                 if (ilen == 2)
 498                     type = wxPAT_LONGDOUBLE;
 499                 else
 500                     type = wxPAT_DOUBLE;
 501                 done = true;
 502                 break;
 503
 504             case wxT('p'):
 505                 type = wxPAT_POINTER;
 506                 done = true;
 507                 break;
 508
 509             case wxT('c'):
 510                 if (ilen == -1)
 511                 {
 512                     // in Unicode mode %hc == ANSI character
 513                     // and in ANSI mode, %hc == %c == ANSI...
 514                     type = wxPAT_CHAR;
 515                 }
 516                 else if (ilen == 1)
 517                 {
 518                     // in ANSI mode %lc == Unicode character
 519                     // and in Unicode mode, %lc == %c == Unicode...
 520                     type = wxPAT_WCHAR;
 521                 }
 522                 else
 523                 {
 524 #if wxUSE_UNICODE
 525                     // in Unicode mode, %c == Unicode character
 526                     type = wxPAT_WCHAR;
 527 #else
 528                     // in ANSI mode, %c == ANSI character
 529                     type = wxPAT_CHAR;
 530 #endif
 531                 }
 532                 done = true;
 533                 break;
 534
 535             case wxT('s'):
 536                 if (ilen == -1)
 537                 {
 538                     // Unicode mode wx extension: we'll let %hs mean non-Unicode
 539                     // strings (when in ANSI mode, %s == %hs == ANSI string)
 540                     type = wxPAT_PCHAR;
 541                 }
 542                 else if (ilen == 1)
 543                 {
 544                     // in Unicode mode, %ls == %s == Unicode string
 545                     // in ANSI mode, %ls == Unicode string
 546                     type = wxPAT_PWCHAR;
 547                 }
 548                 else
 549                 {
 550 #if wxUSE_UNICODE
 551                     type = wxPAT_PWCHAR;
 552 #else
 553                     type = wxPAT_PCHAR;
 554 #endif
 555                 }
 556                 done = true;
 557                 break;
 558
 559             case wxT('n'):
 560                 if (ilen == 0)
 561                         type = wxPAT_NINT;
 562                 else if (ilen == -1)
 563                         type = wxPAT_NSHORTINT;
 564                 else if (ilen >= 1)
 565                         type = wxPAT_NLONGINT;
 566                 done = true;
 567                 break;
 568
 569             default:
 570                 // bad format, don't consider this an argument;
 571                 // leave it unchanged
 572                 return false;
 573         }
 574     }
 575     while (!done);
 576
 577     return true;        // parsing was successful
 578 }
 579
 580
 581 void wxPrintfConvSpec::ReplaceAsteriskWith(int w)
 582 {
 583     char temp[wxMAX_SVNPRINTF_FLAGBUFFER_LEN];
 584
 585     // find the first * in our flag buffer
 586     char *pwidth = strchr(szFlags, '*');
 587     wxASSERT(pwidth);
 588
 589     // save what follows the * (the +1 is to skip it!)
 590     strcpy(temp, pwidth+1);
 591     if (w < 0) {
 592         pwidth[0] = '-';
 593         pwidth++;
 594     }
 595
 596     // replace * with the actual integer given as width
 597     int offset = ::sprintf(pwidth,"%d",abs(w));
 598
 599     // restore after the expanded * what was following it
 600     strcpy(pwidth+offset, temp);
 601 }
 602
 603 bool wxPrintfConvSpec::LoadArg(wxPrintfArg *p, va_list &argptr)
 604 {
 605     // did the '*' width/precision specifier was used ?
 606     if (max_width == -1)
 607     {
 608         // take the maxwidth specifier from the stack
 609         max_width = va_arg(argptr, int);
 610         if (max_width < 0)
 611             max_width = 0;
 612         else
 613             ReplaceAsteriskWith(max_width);
 614     }
 615
 616     if (min_width == -1)
 617     {
 618         // take the minwidth specifier from the stack
 619         min_width = va_arg(argptr, int);
 620
 621         ReplaceAsteriskWith(min_width);
 622         if (min_width < 0)
 623         {
 624             adj_left = !adj_left;
 625             min_width = -min_width;
 626         }
 627     }
 628
 629     switch (type) {
 630         case wxPAT_INT:
 631             p->pad_int = va_arg(argptr, int);
 632             break;
 633         case wxPAT_LONGINT:
 634             p->pad_longint = va_arg(argptr, long int);
 635             break;
 636 #if SIZEOF_LONG_LONG
 637         case wxPAT_LONGLONGINT:
 638             p->pad_longlongint = va_arg(argptr, long long int);
 639             break;
 640 #endif
 641         case wxPAT_SIZET:
 642             p->pad_sizet = va_arg(argptr, size_t);
 643             break;
 644         case wxPAT_DOUBLE:
 645             p->pad_double = va_arg(argptr, double);
 646             break;
 647         case wxPAT_LONGDOUBLE:
 648             p->pad_longdouble = va_arg(argptr, long double);
 649             break;
 650         case wxPAT_POINTER:
 651             p->pad_pointer = va_arg(argptr, void *);
 652             break;
 653
 654         case wxPAT_CHAR:
 655             p->pad_char = va_arg(argptr, int);  // char is promoted to int when passed through '...'
 656             break;
 657         case wxPAT_WCHAR:
 658             p->pad_wchar = va_arg(argptr, int);  // char is promoted to int when passed through '...'
 659             break;
 660
 661         case wxPAT_PCHAR:
 662             p->pad_pchar = va_arg(argptr, char *);
 663             break;
 664         case wxPAT_PWCHAR:
 665             p->pad_pwchar = va_arg(argptr, wchar_t *);
 666             break;
 667
 668         case wxPAT_NINT:
 669             p->pad_nint = va_arg(argptr, int *);
 670             break;
 671         case wxPAT_NSHORTINT:
 672             p->pad_nshortint = va_arg(argptr, short int *);
 673             break;
 674         case wxPAT_NLONGINT:
 675             p->pad_nlongint = va_arg(argptr, long int *);
 676             break;
 677
 678         case wxPAT_INVALID:
 679         default:
 680             return false;
 681     }
 682
 683     return true;    // loading was successful
 684 }
 685
 686 int wxPrintfConvSpec::Process(wxChar *buf, size_t lenMax, wxPrintfArg *p)
 687 {
 688     // buffer to avoid dynamic memory allocation each time for small strings
 689     static char szScratch[1024];
 690     size_t lenCur = 0;
 691
 692 #define APPEND_CH(ch) \
 693                 { \
 694                     if ( lenCur == lenMax ) \
 695                         return -1; \
 696                     \
 697                     buf[lenCur++] = ch; \
 698                 }
 699
 700 #define APPEND_STR(s) \
 701                 { \
 702                     for ( const wxChar *p = s; *p; p++ ) \
 703                     { \
 704                         APPEND_CH(*p); \
 705                     } \
 706                 }
 707
 708     switch ( type )
 709     {
 710         case wxPAT_INT:
 711             ::sprintf(szScratch, szFlags, p->pad_int);
 712             break;
 713
 714         case wxPAT_LONGINT:
 715             ::sprintf(szScratch, szFlags, p->pad_longint);
 716             break;
 717
 718 #if SIZEOF_LONG_LONG
 719         case wxPAT_LONGLONGINT:
 720             ::sprintf(szScratch, szFlags, p->pad_longlongint);
 721             break;
 722 #endif // SIZEOF_LONG_LONG
 723
 724         case wxPAT_SIZET:
 725             ::sprintf(szScratch, szFlags, p->pad_sizet);
 726             break;
 727
 728         case wxPAT_LONGDOUBLE:
 729             ::sprintf(szScratch, szFlags, p->pad_longdouble);
 730             break;
 731
 732         case wxPAT_DOUBLE:
 733             ::sprintf(szScratch, szFlags, p->pad_double);
 734             break;
 735
 736         case wxPAT_POINTER:
 737             ::sprintf(szScratch, szFlags, p->pad_pointer);
 738             break;
 739
 740         case wxPAT_CHAR:
 741         case wxPAT_WCHAR:
 742             {
 743                 wxChar val =
 744 #if wxUSE_UNICODE
 745                     p->pad_wchar;
 746
 747                 if (type == wxPAT_CHAR) {
 748                     // user passed a character explicitely indicated as ANSI...
 749                     const char buf[2] = { p->pad_char, 0 };
 750                     val = wxString(buf, wxConvLibc)[0u];
 751                 }
 752 #else
 753                     p->pad_char;
 754
 755                 if (type == wxPAT_WCHAR) {
 756                     // user passed a character explicitely indicated as Unicode...
 757                     const wchar_t buf[2] = { p->pad_wchar, 0 };
 758                     val = wxString(buf, wxConvLibc)[0u];
 759                 }
 760 #endif
 761
 762                 size_t i;
 763
 764                 if (!adj_left)
 765                     for (i = 1; i < (size_t)min_width; i++)
 766                         APPEND_CH(_T(' '));
 767
 768                 APPEND_CH(val);
 769
 770                 if (adj_left)
 771                     for (i = 1; i < (size_t)min_width; i++)
 772                         APPEND_CH(_T(' '));
 773             }
 774             break;
 775
 776         case wxPAT_PCHAR:
 777         case wxPAT_PWCHAR:
 778             {
 779                 wxString s;
 780                 const wxChar *val =
 781 #if wxUSE_UNICODE
 782                     p->pad_pwchar;
 783
 784                 if (type == wxPAT_PCHAR) {
 785                     // user passed a string explicitely indicated as ANSI...
 786                     val = wxString(p->pad_pchar, wxConvLibc);
 787                 }
 788 #else
 789                     p->pad_pchar;
 790
 791                 if (type == wxPAT_PWCHAR) {
 792                     // user passed a string explicitely indicated as Unicode...
 793                     val = wxString(p->pad_pwchar, wxConvLibc);
 794                 }
 795 #endif
 796                 int len;
 797
 798                 if (val)
 799                 {
 800 #if wxUSE_STRUTILS
 801                     len = wxMin(max_width, wxStrlen(val));
 802 #else
 803                     for ( len = 0; val[len] && (len < max_width); len++ )
 804                         ;
 805 #endif
 806                 }
 807                 else if (max_width >= 6)
 808                 {
 809                     val = wxT("(null)");
 810                     len = 6;
 811                 }
 812                 else
 813                 {
 814                     val = wxEmptyString;
 815                     len = 0;
 816                 }
 817
 818                 int i;
 819
 820                 if (!adj_left)
 821                 {
 822                     for (i = len; i < min_width; i++)
 823                         APPEND_CH(_T(' '));
 824                 }
 825
 826 #if wxUSE_STRUTILS
 827                 len = wxMin(len, lenMax-lenCur);
 828                 wxStrncpy(buf+lenCur, val, len);
 829                 lenCur += len;
 830 #else
 831                 for (i = 0; i < len; i++)
 832                     APPEND_CH(val[i]);
 833 #endif
 834
 835                 if (adj_left)
 836                 {
 837                     for (i = len; i < min_width; i++)
 838                         APPEND_CH(_T(' '));
 839                 }
 840             }
 841             break;
 842
 843         case wxPAT_NINT:
 844             *p->pad_nint = lenCur;
 845             break;
 846
 847         case wxPAT_NSHORTINT:
 848             *p->pad_nshortint = lenCur;
 849             break;
 850
 851         case wxPAT_NLONGINT:
 852             *p->pad_nlongint = lenCur;
 853             break;
 854
 855         case wxPAT_INVALID:
 856         default:
 857             return -1;
 858     }
 859
 860     // if we used system's sprintf() then we now need to append the s_szScratch
 861     // buffer to the given one...
 862     switch (type)
 863     {
 864         case wxPAT_INT:
 865         case wxPAT_LONGINT:
 866 #if SIZEOF_LONG_LONG
 867         case wxPAT_LONGLONGINT:
 868 #endif
 869         case wxPAT_SIZET:
 870         case wxPAT_LONGDOUBLE:
 871         case wxPAT_DOUBLE:
 872         case wxPAT_POINTER:
 873 #if wxUSE_STRUTILS
 874             {
 875                const wxMB2WXbuf tmp = wxConvLibc.cMB2WX(szScratch);
 876                size_t len = wxMin(lenMax, wxStrlen(tmp));
 877                wxStrncpy(buf, tmp, len);
 878                lenCur += len;
 879             }
 880 #else
 881             {
 882                 const wxMB2WXbuf tmp =
 883                     wxConvLibc.cMB2WX(szScratch);
 884                 APPEND_STR(tmp);
 885             }
 886 #endif
 887             break;
 888
 889         default:
 890             break;      // all other cases were completed previously
 891     }
 892
 893     return lenCur;
 894 }
 895
 896 int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
 897                              const wxChar *format, va_list argptr)
 898 {
 899     // cached data
 900     static wxPrintfConvSpec arg[wxMAX_SVNPRINTF_ARGUMENTS];
 901     static wxPrintfArg argdata[wxMAX_SVNPRINTF_ARGUMENTS];
 902     static wxPrintfConvSpec *pspec[wxMAX_SVNPRINTF_ARGUMENTS] = { NULL };
 903
 904     size_t i;
 905
 906     // number of characters in the buffer so far, must be less than lenMax
 907     size_t lenCur = 0;
 908
 909     size_t nargs = 0;
 910     const wxChar *toparse = format;
 911
 912     // parse the format string
 913     bool posarg_present = false, nonposarg_present = false;
 914     for (; *toparse != wxT('\0'); toparse++)
 915     {
 916         if (*toparse == wxT('%') )
 917         {
 918             arg[nargs].Init();
 919
 920             // let's see if this is a (valid) conversion specifier...
 921             if (arg[nargs].Parse(toparse))
 922             {
 923                 // ...yes it is
 924                 wxPrintfConvSpec *current = &arg[nargs];
 925
 926                 // make toparse point to the end of this specifier
 927                 toparse = current->argend;
 928
 929                 if (current->pos > 0) {
 930                     // the positionals start from number 1... adjust the index
 931                     current->pos--;
 932                     posarg_present = true;
 933                 } else {
 934                     // not a positional argument...
 935                     current->pos = nargs;
 936                     nonposarg_present = true;
 937                 }
 938
 939                 // this conversion specifier is tied to the pos-th argument...
 940                 pspec[current->pos] = current;
 941                 nargs++;
 942
 943                 if (nargs == wxMAX_SVNPRINTF_ARGUMENTS)
 944                     break;  // cannot handle any additional conv spec
 945             }
 946         }
 947     }
 948
 949     if (posarg_present && nonposarg_present)
 950         return -1;      // format strings with both positional and
 951                         // non-positional conversion specifier are unsupported !!
 952
 953     // now load arguments from stack
 954     for (i=0; i < nargs; i++) {
 955         if (!pspec[i])
 956             return -1;  // user forgot a positional parameter (e.g. %$1s %$3s) ?
 957         if (!pspec[i]->LoadArg(&argdata[i], argptr))
 958             return -1;  // this means that wxPrintfConvSpec::Parse failed
 959                         // to set its 'type' to a valid value...
 960     }
 961
 962     // finally, process each conversion specifier with its own argument
 963     toparse = format;
 964     for (i=0; i < nargs; i++)
 965     {
 966         // copy in the output buffer the portion of the format string between
 967         // last specifier and the current one
 968         size_t tocopy = ( arg[i].argpos - toparse );
 969         if (lenCur+tocopy >= lenMax)
 970             return -1;      // not enough space in the output buffer !
 971
 972         wxStrncpy(buf+lenCur, toparse, tocopy);
 973         lenCur += tocopy;
 974
 975         // process this specifier directly in the output buffer
 976         int n = arg[i].Process(buf+lenCur, lenMax - lenCur, &argdata[arg[i].pos]);
 977         if (n == -1)
 978             return -1;      // not enough space in the output buffer !
 979         lenCur += n;
 980
 981         // the +1 is because wxPrintfConvSpec::argend points to the last character
 982         // of the format specifier, but we are not interested to it...
 983         toparse = arg[i].argend + 1;
 984     }
 985
 986     // copy portion of the format string after last specifier
 987     // NOTE: toparse is pointing to the character just after the last processed
 988     //       conversion specifier
 989     // NOTE2: the +1 is because we want to copy also the '\0'
 990     size_t tocopy = wxStrlen(format) + 1  - ( toparse - format ) ;
 991     if (lenCur+tocopy >= lenMax)
 992         return -1;      // not enough space in the output buffer !
 993     wxStrncpy(buf+lenCur, toparse, tocopy);
 994     lenCur += tocopy - 1;   // the -1 is because of the '\0'
 995
 996     // clean the static array portion used...
 997     // NOTE: other arrays do not need cleanup!
 998     memset(pspec, 0, sizeof(wxPrintfConvSpec*)*nargs);
 999
1000     wxASSERT(lenCur == wxStrlen(buf));
1001     return lenCur;
1002 }
1003
1004 #undef APPEND_CH
1005 #undef APPEND_STR
1006 #undef CHECK_PREC
1007
1008 #endif // !wxVsnprintfA
1009
1010 #if !defined(wxSnprintf_)
1011 int WXDLLEXPORT wxSnprintf_(wxChar *buf, size_t len, const wxChar *format, ...)
1012 {
1013     va_list argptr;
1014     va_start(argptr, format);
1015
1016     int iLen = wxVsnprintf_(buf, len, format, argptr);
1017
1018     va_end(argptr);
1019
1020     return iLen;
1021 }
1022 #endif // wxSnprintf_
1023
1024 #if defined(__DMC__)
1025     /* Digital Mars adds count to _stprintf (C99) so convert */
1026     #if wxUSE_UNICODE
1027         int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... )
1028         {
1029             va_list arglist;
1030
1031             va_start( arglist, format );
1032             int iLen = swprintf ( s, -1, format, arglist );
1033             va_end( arglist );
1034             return iLen ;
1035         }
1036
1037     #endif // wxUSE_UNICODE
1038
1039 #endif //__DMC__
1040
1041 // ----------------------------------------------------------------------------
1042 // implement the standard IO functions for wide char if libc doesn't have them
1043 // ----------------------------------------------------------------------------
1044
1045 #ifdef wxNEED_FPUTS
1046 int wxFputs(const wchar_t *ws, FILE *stream)
1047 {
1048     // counting the number of wide characters written isn't worth the trouble,
1049     // simply distinguish between ok and error
1050     return fputs(wxConvLibc.cWC2MB(ws), stream) == -1 ? -1 : 0;
1051 }
1052 #endif // wxNEED_FPUTS
1053
1054 #ifdef wxNEED_PUTS
1055 int wxPuts(const wxChar *ws)
1056 {
1057     int rc = wxFputs(ws, stdout);
1058     if ( rc != -1 )
1059     {
1060         if ( wxFputs(L"\n", stdout) == -1 )
1061             return -1;
1062
1063         rc++;
1064     }
1065
1066     return rc;
1067 }
1068 #endif // wxNEED_PUTS
1069
1070 #ifdef wxNEED_PUTC
1071 int /* not wint_t */ wxPutc(wchar_t wc, FILE *stream)
1072 {
1073     wchar_t ws[2] = { wc, L'\0' };
1074
1075     return wxFputs(ws, stream);
1076 }
1077 #endif // wxNEED_PUTC
1078
1079 // NB: we only implement va_list functions here, the ones taking ... are
1080 //     defined below for wxNEED_PRINTF_CONVERSION case anyhow and we reuse
1081 //     the definitions there to avoid duplicating them here
1082 #ifdef wxNEED_WPRINTF
1083
1084 // TODO: implement the scanf() functions
1085 int vwscanf(const wxChar *format, va_list argptr)
1086 {
1087     wxFAIL_MSG( _T("TODO") );
1088
1089     return -1;
1090 }
1091
1092 int vswscanf(const wxChar *ws, const wxChar *format, va_list argptr)
1093 {
1094     // The best we can do without proper Unicode support in glibc is to
1095     // convert the strings into MB representation and run ANSI version
1096     // of the function. This doesn't work with %c and %s because of difference
1097     // in size of char and wchar_t, though.
1098
1099     wxCHECK_MSG( wxStrstr(format, _T("%s")) == NULL, -1,
1100                  _T("incomplete vswscanf implementation doesn't allow %s") );
1101     wxCHECK_MSG( wxStrstr(format, _T("%c")) == NULL, -1,
1102                  _T("incomplete vswscanf implementation doesn't allow %c") );
1103
1104     va_list argcopy;
1105     wxVaCopy(argcopy, argptr);
1106     return vsscanf(wxConvLibc.cWX2MB(ws), wxConvLibc.cWX2MB(format), argcopy);
1107 }
1108
1109 int vfwscanf(FILE *stream, const wxChar *format, va_list argptr)
1110 {
1111     wxFAIL_MSG( _T("TODO") );
1112
1113     return -1;
1114 }
1115
1116 #define vswprintf wxVsnprintf_
1117
1118 int vfwprintf(FILE *stream, const wxChar *format, va_list argptr)
1119 {
1120     wxString s;
1121     int rc = s.PrintfV(format, argptr);
1122
1123     if ( rc != -1 )
1124     {
1125         // we can't do much better without Unicode support in libc...
1126         if ( fprintf(stream, "%s", (const char*)s.mb_str() ) == -1 )
1127             return -1;
1128     }
1129
1130     return rc;
1131 }
1132
1133 int vwprintf(const wxChar *format, va_list argptr)
1134 {
1135     return wxVfprintf(stdout, format, argptr);
1136 }
1137
1138 #endif // wxNEED_WPRINTF
1139
1140 #ifdef wxNEED_PRINTF_CONVERSION
1141
1142 // ----------------------------------------------------------------------------
1143 // wxFormatConverter: class doing the "%s" -> "%ls" conversion
1144 // ----------------------------------------------------------------------------
1145
1146 /*
1147    Here are the gory details. We want to follow the Windows/MS conventions,
1148    that is to have
1149
1150    In ANSI mode:
1151
1152    format specifier         results in
1153    -----------------------------------
1154    %c, %hc, %hC             char
1155    %lc, %C, %lC             wchar_t
1156
1157    In Unicode mode:
1158
1159    format specifier         results in
1160    -----------------------------------
1161    %hc, %C, %hC             char
1162    %c, %lc, %lC             wchar_t
1163
1164
1165    while on POSIX systems we have %C identical to %lc and %c always means char
1166    (in any mode) while %lc always means wchar_t,
1167
1168    So to use native functions in order to get our semantics we must do the
1169    following translations in Unicode mode (nothing to do in ANSI mode):
1170
1171    wxWidgets specifier      POSIX specifier
1172    ----------------------------------------
1173
1174    %hc, %C, %hC             %c
1175    %c                       %lc
1176
1177
1178    And, of course, the same should be done for %s as well.
1179 */
1180
1181 class wxFormatConverter
1182 {
1183 public:
1184     wxFormatConverter(const wxChar *format);
1185
1186     // notice that we only translated the string if m_fmtOrig == NULL (as set
1187     // by CopyAllBefore()), otherwise we should simply use the original format
1188     operator const wxChar *() const
1189         { return m_fmtOrig ? m_fmtOrig : m_fmt.c_str(); }
1190
1191 private:
1192     // copy another character to the translated format: this function does the
1193     // copy if we are translating but doesn't do anything at all if we don't,
1194     // so we don't create the translated format string at all unless we really
1195     // need to (i.e. InsertFmtChar() is called)
1196     wxChar CopyFmtChar(wxChar ch)
1197     {
1198         if ( !m_fmtOrig )
1199         {
1200             // we're translating, do copy
1201             m_fmt += ch;
1202         }
1203         else
1204         {
1205             // simply increase the count which should be copied by
1206             // CopyAllBefore() later if needed
1207             m_nCopied++;
1208         }
1209
1210         return ch;
1211     }
1212
1213     // insert an extra character
1214     void InsertFmtChar(wxChar ch)
1215     {
1216         if ( m_fmtOrig )
1217         {
1218             // so far we haven't translated anything yet
1219             CopyAllBefore();
1220         }
1221
1222         m_fmt += ch;
1223     }
1224
1225     void CopyAllBefore()
1226     {
1227         wxASSERT_MSG( m_fmtOrig && m_fmt.empty(), _T("logic error") );
1228
1229         m_fmt = wxString(m_fmtOrig, m_nCopied);
1230
1231         // we won't need it any longer
1232         m_fmtOrig = NULL;
1233     }
1234
1235     static bool IsFlagChar(wxChar ch)
1236     {
1237         return ch == _T('-') || ch == _T('+') ||
1238                ch == _T('0') || ch == _T(' ') || ch == _T('#');
1239     }
1240
1241     void SkipDigits(const wxChar **ptpc)
1242     {
1243         while ( **ptpc >= _T('0') && **ptpc <= _T('9') )
1244             CopyFmtChar(*(*ptpc)++);
1245     }
1246
1247     // the translated format
1248     wxString m_fmt;
1249
1250     // the original format
1251     const wxChar *m_fmtOrig;
1252
1253     // the number of characters already copied
1254     size_t m_nCopied;
1255 };
1256
1257 wxFormatConverter::wxFormatConverter(const wxChar *format)
1258 {
1259     m_fmtOrig = format;
1260     m_nCopied = 0;
1261
1262     while ( *format )
1263     {
1264         if ( CopyFmtChar(*format++) == _T('%') )
1265         {
1266             // skip any flags
1267             while ( IsFlagChar(*format) )
1268                 CopyFmtChar(*format++);
1269
1270             // and possible width
1271             if ( *format == _T('*') )
1272                 CopyFmtChar(*format++);
1273             else
1274                 SkipDigits(&format);
1275
1276             // precision?
1277             if ( *format == _T('.') )
1278             {
1279                 CopyFmtChar(*format++);
1280                 if ( *format == _T('*') )
1281                     CopyFmtChar(*format++);
1282                 else
1283                     SkipDigits(&format);
1284             }
1285
1286             // next we can have a size modifier
1287             enum
1288             {
1289                 Default,
1290                 Short,
1291                 Long
1292             } size;
1293
1294             switch ( *format )
1295             {
1296                 case _T('h'):
1297                     size = Short;
1298                     format++;
1299                     break;
1300
1301                 case _T('l'):
1302                     // "ll" has a different meaning!
1303                     if ( format[1] != _T('l') )
1304                     {
1305                         size = Long;
1306                         format++;
1307                         break;
1308                     }
1309                     //else: fall through
1310
1311                 default:
1312                     size = Default;
1313             }
1314
1315             // and finally we should have the type
1316             switch ( *format )
1317             {
1318                 case _T('C'):
1319                 case _T('S'):
1320                     // %C and %hC -> %c and %lC -> %lc
1321                     if ( size == Long )
1322                         CopyFmtChar(_T('l'));
1323
1324                     InsertFmtChar(*format++ == _T('C') ? _T('c') : _T('s'));
1325                     break;
1326
1327                 case _T('c'):
1328                 case _T('s'):
1329                     // %c -> %lc but %hc stays %hc and %lc is still %lc
1330                     if ( size == Default)
1331                         InsertFmtChar(_T('l'));
1332                     // fall through
1333
1334                 default:
1335                     // nothing special to do
1336                     if ( size != Default )
1337                         CopyFmtChar(*(format - 1));
1338                     CopyFmtChar(*format++);
1339             }
1340         }
1341     }
1342 }
1343
1344 #else // !wxNEED_PRINTF_CONVERSION
1345     // no conversion necessary
1346     #define wxFormatConverter(x) (x)
1347 #endif // wxNEED_PRINTF_CONVERSION/!wxNEED_PRINTF_CONVERSION
1348
1349 #ifdef __WXDEBUG__
1350 // For testing the format converter
1351 wxString wxConvertFormat(const wxChar *format)
1352 {
1353     return wxString(wxFormatConverter(format));
1354 }
1355 #endif
1356
1357 // ----------------------------------------------------------------------------
1358 // wxPrintf(), wxScanf() and relatives
1359 // ----------------------------------------------------------------------------
1360
1361 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
1362
1363 int wxScanf( const wxChar *format, ... )
1364 {
1365     va_list argptr;
1366     va_start(argptr, format);
1367
1368     int ret = vwscanf(wxFormatConverter(format), argptr );
1369
1370     va_end(argptr);
1371
1372     return ret;
1373 }
1374
1375 int wxSscanf( const wxChar *str, const wxChar *format, ... )
1376 {
1377     va_list argptr;
1378     va_start(argptr, format);
1379
1380     int ret = vswscanf( str, wxFormatConverter(format), argptr );
1381
1382     va_end(argptr);
1383
1384     return ret;
1385 }
1386
1387 int wxFscanf( FILE *stream, const wxChar *format, ... )
1388 {
1389     va_list argptr;
1390     va_start(argptr, format);
1391     int ret = vfwscanf(stream, wxFormatConverter(format), argptr);
1392
1393     va_end(argptr);
1394
1395     return ret;
1396 }
1397
1398 int wxPrintf( const wxChar *format, ... )
1399 {
1400     va_list argptr;
1401     va_start(argptr, format);
1402
1403     int ret = vwprintf( wxFormatConverter(format), argptr );
1404
1405     va_end(argptr);
1406
1407     return ret;
1408 }
1409
1410 #ifndef wxSnprintf
1411 int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... )
1412 {
1413     va_list argptr;
1414     va_start(argptr, format);
1415
1416     int ret = vswprintf( str, size, wxFormatConverter(format), argptr );
1417
1418     va_end(argptr);
1419
1420     return ret;
1421 }
1422 #endif // wxSnprintf
1423
1424 int wxSprintf( wxChar *str, const wxChar *format, ... )
1425 {
1426     va_list argptr;
1427     va_start(argptr, format);
1428
1429     // note that wxString::FormatV() uses wxVsnprintf(), not wxSprintf(), so
1430     // it's safe to implement this one in terms of it
1431     wxString s(wxString::FormatV(format, argptr));
1432     wxStrcpy(str, s);
1433
1434     va_end(argptr);
1435
1436     return s.length();
1437 }
1438
1439 int wxFprintf( FILE *stream, const wxChar *format, ... )
1440 {
1441     va_list argptr;
1442     va_start( argptr, format );
1443
1444     int ret = vfwprintf( stream, wxFormatConverter(format), argptr );
1445
1446     va_end(argptr);
1447
1448     return ret;
1449 }
1450
1451 int wxVsscanf( const wxChar *str, const wxChar *format, va_list argptr )
1452 {
1453     return vswscanf( str, wxFormatConverter(format), argptr );
1454 }
1455
1456 int wxVfprintf( FILE *stream, const wxChar *format, va_list argptr )
1457 {
1458     return vfwprintf( stream, wxFormatConverter(format), argptr );
1459 }
1460
1461 int wxVprintf( const wxChar *format, va_list argptr )
1462 {
1463     return vwprintf( wxFormatConverter(format), argptr );
1464 }
1465
1466 #ifndef wxVsnprintf
1467 int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list argptr )
1468 {
1469     return vswprintf( str, size, wxFormatConverter(format), argptr );
1470 }
1471 #endif // wxVsnprintf
1472
1473 int wxVsprintf( wxChar *str, const wxChar *format, va_list argptr )
1474 {
1475     // same as for wxSprintf()
1476     return vswprintf(str, INT_MAX / 4, wxFormatConverter(format), argptr);
1477 }
1478
1479 #endif // wxNEED_PRINTF_CONVERSION
1480
1481 #if wxUSE_WCHAR_T
1482
1483 // ----------------------------------------------------------------------------
1484 // ctype.h stuff (currently unused)
1485 // ----------------------------------------------------------------------------
1486
1487 #if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
1488 inline WORD wxMSW_ctype(wxChar ch)
1489 {
1490   WORD ret;
1491   GetStringTypeEx(LOCALE_USER_DEFAULT, CT_CTYPE1, &ch, 1, &ret);
1492   return ret;
1493 }
1494
1495 WXDLLEXPORT int wxIsalnum(wxChar ch) { return IsCharAlphaNumeric(ch); }
1496 WXDLLEXPORT int wxIsalpha(wxChar ch) { return IsCharAlpha(ch); }
1497 WXDLLEXPORT int wxIscntrl(wxChar ch) { return wxMSW_ctype(ch) & C1_CNTRL; }
1498 WXDLLEXPORT int wxIsdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_DIGIT; }
1499 WXDLLEXPORT int wxIsgraph(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_PUNCT|C1_ALPHA); }
1500 WXDLLEXPORT int wxIslower(wxChar ch) { return IsCharLower(ch); }
1501 WXDLLEXPORT int wxIsprint(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_SPACE|C1_PUNCT|C1_ALPHA); }
1502 WXDLLEXPORT int wxIspunct(wxChar ch) { return wxMSW_ctype(ch) & C1_PUNCT; }
1503 WXDLLEXPORT int wxIsspace(wxChar ch) { return wxMSW_ctype(ch) & C1_SPACE; }
1504 WXDLLEXPORT int wxIsupper(wxChar ch) { return IsCharUpper(ch); }
1505 WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_XDIGIT; }
1506 WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)CharLower((LPTSTR)(ch)); }
1507 WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)CharUpper((LPTSTR)(ch)); }
1508 #endif
1509
1510 #ifdef wxNEED_WX_MBSTOWCS
1511
1512 WXDLLEXPORT size_t wxMbstowcs (wchar_t * out, const char * in, size_t outlen)
1513 {
1514     if (!out)
1515     {
1516         size_t outsize = 0;
1517         while(*in++)
1518             outsize++;
1519         return outsize;
1520     }
1521
1522     const char* origin = in;
1523
1524     while (outlen-- && *in)
1525     {
1526         *out++ = (wchar_t) *in++;
1527     }
1528
1529     *out = '\0';
1530
1531     return in - origin;
1532 }
1533
1534 WXDLLEXPORT size_t wxWcstombs (char * out, const wchar_t * in, size_t outlen)
1535 {
1536     if (!out)
1537     {
1538         size_t outsize = 0;
1539         while(*in++)
1540             outsize++;
1541         return outsize;
1542     }
1543
1544     const wchar_t* origin = in;
1545
1546     while (outlen-- && *in)
1547     {
1548         *out++ = (char) *in++;
1549     }
1550
1551     *out = '\0';
1552
1553     return in - origin;
1554 }
1555
1556 #endif // wxNEED_WX_MBSTOWCS
1557
1558 #if defined(wxNEED_WX_CTYPE_H)
1559
1560 #include <CoreFoundation/CoreFoundation.h>
1561
1562 #define cfalnumset CFCharacterSetGetPredefined(kCFCharacterSetAlphaNumeric)
1563 #define cfalphaset CFCharacterSetGetPredefined(kCFCharacterSetLetter)
1564 #define cfcntrlset CFCharacterSetGetPredefined(kCFCharacterSetControl)
1565 #define cfdigitset CFCharacterSetGetPredefined(kCFCharacterSetDecimalDigit)
1566 //CFCharacterSetRef cfgraphset = kCFCharacterSetControl && !' '
1567 #define cflowerset CFCharacterSetGetPredefined(kCFCharacterSetLowercaseLetter)
1568 //CFCharacterSetRef cfprintset = !kCFCharacterSetControl
1569 #define cfpunctset CFCharacterSetGetPredefined(kCFCharacterSetPunctuation)
1570 #define cfspaceset CFCharacterSetGetPredefined(kCFCharacterSetWhitespaceAndNewline)
1571 #define cfupperset CFCharacterSetGetPredefined(kCFCharacterSetUppercaseLetter)
1572
1573 WXDLLEXPORT int wxIsalnum(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalnumset, ch); }
1574 WXDLLEXPORT int wxIsalpha(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalphaset, ch); }
1575 WXDLLEXPORT int wxIscntrl(wxChar ch) { return CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
1576 WXDLLEXPORT int wxIsdigit(wxChar ch) { return CFCharacterSetIsCharacterMember(cfdigitset, ch); }
1577 WXDLLEXPORT int wxIsgraph(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch) && ch != ' '; }
1578 WXDLLEXPORT int wxIslower(wxChar ch) { return CFCharacterSetIsCharacterMember(cflowerset, ch); }
1579 WXDLLEXPORT int wxIsprint(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
1580 WXDLLEXPORT int wxIspunct(wxChar ch) { return CFCharacterSetIsCharacterMember(cfpunctset, ch); }
1581 WXDLLEXPORT int wxIsspace(wxChar ch) { return CFCharacterSetIsCharacterMember(cfspaceset, ch); }
1582 WXDLLEXPORT int wxIsupper(wxChar ch) { return CFCharacterSetIsCharacterMember(cfupperset, ch); }
1583 WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxIsdigit(ch) || (ch>='a' && ch<='f') || (ch>='A' && ch<='F'); }
1584 WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)tolower((char)(ch)); }
1585 WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)toupper((char)(ch)); }
1586
1587 #endif  // wxNEED_WX_CTYPE_H
1588
1589 #ifndef wxStrdupA
1590
1591 WXDLLEXPORT char *wxStrdupA(const char *s)
1592 {
1593     return strcpy((char *)malloc(strlen(s) + 1), s);
1594 }
1595
1596 #endif // wxStrdupA
1597
1598 #ifndef wxStrdupW
1599
1600 WXDLLEXPORT wchar_t * wxStrdupW(const wchar_t *pwz)
1601 {
1602   size_t size = (wxWcslen(pwz) + 1) * sizeof(wchar_t);
1603   wchar_t *ret = (wchar_t *) malloc(size);
1604   memcpy(ret, pwz, size);
1605   return ret;
1606 }
1607
1608 #endif // wxStrdupW
1609
1610 #ifndef wxStricmp
1611 int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
1612 {
1613   register wxChar c1, c2;
1614   do {
1615     c1 = wxTolower(*psz1++);
1616     c2 = wxTolower(*psz2++);
1617   } while ( c1 && (c1 == c2) );
1618   return c1 - c2;
1619 }
1620 #endif
1621
1622 #ifndef wxStricmp
1623 int WXDLLEXPORT wxStrnicmp(const wxChar *s1, const wxChar *s2, size_t n)
1624 {
1625   // initialize the variables just to suppress stupid gcc warning
1626   register wxChar c1 = 0, c2 = 0;
1627   while (n && ((c1 = wxTolower(*s1)) == (c2 = wxTolower(*s2)) ) && c1) n--, s1++, s2++;
1628   if (n) {
1629     if (c1 < c2) return -1;
1630     if (c1 > c2) return 1;
1631   }
1632   return 0;
1633 }
1634 #endif
1635
1636 #ifndef wxSetlocale
1637 WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale)
1638 {
1639     char *localeOld = setlocale(category, wxConvLibc.cWX2MB(locale));
1640
1641     return wxWCharBuffer(wxConvLibc.cMB2WC(localeOld));
1642 }
1643 #endif
1644
1645 #if wxUSE_WCHAR_T && !defined(HAVE_WCSLEN)
1646 WXDLLEXPORT size_t wxWcslen(const wchar_t *s)
1647 {
1648     size_t n = 0;
1649     while ( *s++ )
1650         n++;
1651
1652     return n;
1653 }
1654 #endif
1655
1656 // ----------------------------------------------------------------------------
1657 // string.h functions
1658 // ----------------------------------------------------------------------------
1659
1660 #ifdef wxNEED_WX_STRING_H
1661
1662 // RN:  These need to be c externed for the regex lib
1663 #ifdef __cplusplus
1664 extern "C" {
1665 #endif
1666
1667 WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src)
1668 {
1669   wxChar *ret = dest;
1670   while (*dest) dest++;
1671   while ((*dest++ = *src++));
1672   return ret;
1673 }
1674
1675 WXDLLEXPORT const wxChar * wxStrchr(const wxChar *s, wxChar c)
1676 {
1677     // be careful here as the terminating NUL makes part of the string
1678     while ( *s != c )
1679     {
1680         if ( !*s++ )
1681             return NULL;
1682     }
1683
1684     return s;
1685 }
1686
1687 WXDLLEXPORT int wxStrcmp(const wxChar *s1, const wxChar *s2)
1688 {
1689   while ((*s1 == *s2) && *s1) s1++, s2++;
1690   if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
1691   if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
1692   return 0;
1693 }
1694
1695 WXDLLEXPORT wxChar * wxStrcpy(wxChar *dest, const wxChar *src)
1696 {
1697   wxChar *ret = dest;
1698   while ((*dest++ = *src++));
1699   return ret;
1700 }
1701
1702 WXDLLEXPORT size_t wxStrlen_(const wxChar *s)
1703 {
1704     size_t n = 0;
1705     while ( *s++ )
1706         n++;
1707
1708     return n;
1709 }
1710
1711
1712 WXDLLEXPORT wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n)
1713 {
1714   wxChar *ret = dest;
1715   while (*dest) dest++;
1716   while (n && (*dest++ = *src++)) n--;
1717   return ret;
1718 }
1719
1720 WXDLLEXPORT int wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n)
1721 {
1722   while (n && (*s1 == *s2) && *s1) n--, s1++, s2++;
1723   if (n) {
1724     if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
1725     if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
1726   }
1727   return 0;
1728 }
1729
1730 WXDLLEXPORT wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n)
1731 {
1732   wxChar *ret = dest;
1733   while (n && (*dest++ = *src++)) n--;
1734   while (n) *dest++=0, n--; // the docs specify padding with zeroes
1735   return ret;
1736 }
1737
1738 WXDLLEXPORT const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept)
1739 {
1740   while (*s && !wxStrchr(accept, *s))
1741       s++;
1742
1743   return *s ? s : NULL;
1744 }
1745
1746 WXDLLEXPORT const wxChar * wxStrrchr(const wxChar *s, wxChar c)
1747 {
1748     const wxChar *ret = NULL;
1749     do
1750     {
1751         if ( *s == c )
1752             ret = s;
1753         s++;
1754     }
1755     while ( *s );
1756
1757     return ret;
1758 }
1759
1760 WXDLLEXPORT size_t wxStrspn(const wxChar *s, const wxChar *accept)
1761 {
1762   size_t len = 0;
1763   while (wxStrchr(accept, *s++)) len++;
1764   return len;
1765 }
1766
1767 WXDLLEXPORT const wxChar *wxStrstr(const wxChar *haystack, const wxChar *needle)
1768 {
1769     wxASSERT_MSG( needle != NULL, _T("NULL argument in wxStrstr") );
1770
1771     // VZ: this is not exactly the most efficient string search algorithm...
1772
1773     const size_t len = wxStrlen(needle);
1774
1775     while ( const wxChar *fnd = wxStrchr(haystack, *needle) )
1776     {
1777         if ( !wxStrncmp(fnd, needle, len) )
1778             return fnd;
1779
1780         haystack = fnd + 1;
1781     }
1782
1783     return NULL;
1784 }
1785
1786 #ifdef __cplusplus
1787 }
1788 #endif
1789
1790 WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr)
1791 {
1792   const wxChar *start = nptr;
1793
1794   // FIXME: only correct for C locale
1795   while (wxIsspace(*nptr)) nptr++;
1796   if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
1797   while (wxIsdigit(*nptr)) nptr++;
1798   if (*nptr == wxT('.')) {
1799     nptr++;
1800     while (wxIsdigit(*nptr)) nptr++;
1801   }
1802   if (*nptr == wxT('E') || *nptr == wxT('e')) {
1803     nptr++;
1804     if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
1805     while (wxIsdigit(*nptr)) nptr++;
1806   }
1807
1808   wxString data(nptr, nptr-start);
1809   wxWX2MBbuf dat = data.mb_str(wxConvLibc);
1810   char *rdat = wxMBSTRINGCAST dat;
1811   double ret = strtod(dat, &rdat);
1812
1813   if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
1814
1815   return ret;
1816 }
1817
1818 WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base)
1819 {
1820   const wxChar *start = nptr;
1821
1822   // FIXME: only correct for C locale
1823   while (wxIsspace(*nptr)) nptr++;
1824   if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
1825   if (((base == 0) || (base == 16)) &&
1826       (nptr[0] == wxT('0') && nptr[1] == wxT('x'))) {
1827     nptr += 2;
1828     base = 16;
1829   }
1830   else if ((base == 0) && (nptr[0] == wxT('0'))) base = 8;
1831   else if (base == 0) base = 10;
1832
1833   while ((wxIsdigit(*nptr) && (*nptr - wxT('0') < base)) ||
1834          (wxIsalpha(*nptr) && (wxToupper(*nptr) - wxT('A') + 10 < base))) nptr++;
1835
1836   wxString data(start, nptr-start);
1837   wxWX2MBbuf dat = data.mb_str(wxConvLibc);
1838   char *rdat = wxMBSTRINGCAST dat;
1839   long int ret = strtol(dat, &rdat, base);
1840
1841   if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
1842
1843   return ret;
1844 }
1845
1846 WXDLLEXPORT unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base)
1847 {
1848     return (unsigned long int) wxStrtol(nptr, endptr, base);
1849 }
1850
1851 #endif // wxNEED_WX_STRING_H
1852
1853 #ifdef wxNEED_WX_STDIO_H
1854 WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
1855 {
1856     char mode_buffer[10];
1857     for (size_t i = 0; i < wxStrlen(mode)+1; i++)
1858        mode_buffer[i] = (char) mode[i];
1859
1860     return fopen( wxConvFile.cWX2MB(path), mode_buffer );
1861 }
1862
1863 WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream)
1864 {
1865     char mode_buffer[10];
1866     for (size_t i = 0; i < wxStrlen(mode)+1; i++)
1867        mode_buffer[i] = (char) mode[i];
1868
1869     return freopen( wxConvFile.cWX2MB(path), mode_buffer, stream );
1870 }
1871
1872 WXDLLEXPORT int wxRemove(const wxChar *path)
1873 {
1874     return remove( wxConvFile.cWX2MB(path) );
1875 }
1876
1877 WXDLLEXPORT int wxRename(const wxChar *oldpath, const wxChar *newpath)
1878 {
1879     return rename( wxConvFile.cWX2MB(oldpath), wxConvFile.cWX2MB(newpath) );
1880 }
1881 #endif
1882
1883 #ifndef wxAtof
1884 double   WXDLLEXPORT wxAtof(const wxChar *psz)
1885 {
1886 #ifdef __WXWINCE__
1887     double d;
1888     wxString str(psz);
1889     if (str.ToDouble(& d))
1890         return d;
1891
1892     return 0.0;
1893 #else
1894     return atof(wxConvLibc.cWX2MB(psz));
1895 #endif
1896 }
1897 #endif
1898
1899 #ifdef wxNEED_WX_STDLIB_H
1900 int      WXDLLEXPORT wxAtoi(const wxChar *psz)
1901 {
1902   return atoi(wxConvLibc.cWX2MB(psz));
1903 }
1904
1905 long     WXDLLEXPORT wxAtol(const wxChar *psz)
1906 {
1907   return atol(wxConvLibc.cWX2MB(psz));
1908 }
1909
1910 wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
1911 {
1912 #if wxUSE_UNICODE
1913     // NB: buffer returned by getenv() is allowed to be overwritten next
1914     //     time getenv() is called, so it is OK to use static string
1915     //     buffer to hold the data.
1916     static wxWCharBuffer value((wxChar*)NULL);
1917     value = wxConvLibc.cMB2WX(getenv(wxConvLibc.cWX2MB(name)));
1918     return value.data();
1919 #else
1920     return getenv(name);
1921 #endif
1922 }
1923
1924 int WXDLLEXPORT wxSystem(const wxChar *psz)
1925 {
1926     return system(wxConvLibc.cWX2MB(psz));
1927 }
1928
1929 #endif // wxNEED_WX_STDLIB_H
1930
1931 #ifdef wxNEED_WX_TIME_H
1932 WXDLLEXPORT size_t
1933 wxStrftime(wxChar *s, size_t maxsize, const wxChar *fmt, const struct tm *tm)
1934 {
1935     if ( !maxsize )
1936         return 0;
1937
1938     wxCharBuffer buf(maxsize);
1939
1940     wxCharBuffer bufFmt(wxConvLibc.cWX2MB(fmt));
1941     if ( !bufFmt )
1942         return 0;
1943
1944     size_t ret = strftime(buf.data(), maxsize, bufFmt, tm);
1945     if  ( !ret )
1946         return 0;
1947
1948     wxWCharBuffer wbuf = wxConvLibc.cMB2WX(buf);
1949     if ( !wbuf )
1950         return 0;
1951
1952     wxStrncpy(s, wbuf, maxsize);
1953     return wxStrlen(s);
1954 }
1955 #endif // wxNEED_WX_TIME_H
1956
1957 #ifndef wxCtime
1958 WXDLLEXPORT wxChar *wxCtime(const time_t *timep)
1959 {
1960     // normally the string is 26 chars but give one more in case some broken
1961     // DOS compiler decides to use "\r\n" instead of "\n" at the end
1962     static wxChar buf[27];
1963
1964     // ctime() is guaranteed to return a string containing only ASCII
1965     // characters, as its format is always the same for any locale
1966     wxStrncpy(buf, wxString::FromAscii(ctime(timep)), WXSIZEOF(buf));
1967     buf[WXSIZEOF(buf) - 1] = _T('\0');
1968
1969     return buf;
1970 }
1971 #endif // wxCtime
1972
1973 #endif // wxUSE_WCHAR_T
1974
1975 // ----------------------------------------------------------------------------
1976 // functions which we may need even if !wxUSE_WCHAR_T
1977 // ----------------------------------------------------------------------------
1978
1979 #ifndef wxStrtok
1980
1981 WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)
1982 {
1983     if (!psz)
1984     {
1985         psz = *save_ptr;
1986         if ( !psz )
1987             return NULL;
1988     }
1989
1990     psz += wxStrspn(psz, delim);
1991     if (!*psz)
1992     {
1993         *save_ptr = (wxChar *)NULL;
1994         return (wxChar *)NULL;
1995     }
1996
1997     wxChar *ret = psz;
1998     psz = wxStrpbrk(psz, delim);
1999     if (!psz)
2000     {
2001         *save_ptr = (wxChar*)NULL;
2002     }
2003     else
2004     {
2005         *psz = wxT('\0');
2006         *save_ptr = psz + 1;
2007     }
2008
2009     return ret;
2010 }
2011
2012 #endif // wxStrtok
2013
2014 // ----------------------------------------------------------------------------
2015 // missing C RTL functions
2016 // ----------------------------------------------------------------------------
2017
2018 #ifdef wxNEED_STRDUP
2019
2020 char *strdup(const char *s)
2021 {
2022     char *dest = (char*) malloc( strlen( s ) + 1 ) ;
2023     if ( dest )
2024         strcpy( dest , s ) ;
2025     return dest ;
2026 }
2027 #endif // wxNEED_STRDUP
2028
2029 #if defined(__WXWINCE__) && (_WIN32_WCE <= 211)
2030
2031 void *calloc( size_t num, size_t size )
2032 {
2033     void** ptr = (void **)malloc(num * size);
2034     memset( ptr, 0, num * size);
2035     return ptr;
2036 }
2037
2038 #endif // __WXWINCE__ <= 211
2039
2040 #ifdef __WXWINCE__
2041
2042 int wxRemove(const wxChar *path)
2043 {
2044     return ::DeleteFile(path) == 0;
2045 }
2046
2047 #endif