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 wxUSE_WCHAR_T
 756                 if (type == wxPAT_WCHAR) {
 757                     // user passed a character explicitely indicated as Unicode...
 758                     const wchar_t buf[2] = { p->pad_wchar, 0 };
 759                     val = wxString(buf, wxConvLibc)[0u];
 760                 }
 761 #endif
 762 #endif
 763
 764                 size_t i;
 765
 766                 if (!adj_left)
 767                     for (i = 1; i < (size_t)min_width; i++)
 768                         APPEND_CH(_T(' '));
 769
 770                 APPEND_CH(val);
 771
 772                 if (adj_left)
 773                     for (i = 1; i < (size_t)min_width; i++)
 774                         APPEND_CH(_T(' '));
 775             }
 776             break;
 777
 778         case wxPAT_PCHAR:
 779         case wxPAT_PWCHAR:
 780             {
 781                 wxString s;
 782                 const wxChar *val =
 783 #if wxUSE_UNICODE
 784                     p->pad_pwchar;
 785
 786                 if (type == wxPAT_PCHAR) {
 787                     // user passed a string explicitely indicated as ANSI...
 788                     val = wxString(p->pad_pchar, wxConvLibc);
 789                 }
 790 #else
 791                     p->pad_pchar;
 792
 793 #if wxUSE_WCHAR_T
 794                 if (type == wxPAT_PWCHAR) {
 795                     // user passed a string explicitely indicated as Unicode...
 796                     val = wxString(p->pad_pwchar, wxConvLibc);
 797                 }
 798 #endif
 799 #endif
 800                 int len;
 801
 802                 if (val)
 803                 {
 804 #if wxUSE_STRUTILS
 805                     len = wxMin(max_width, wxStrlen(val));
 806 #else
 807                     for ( len = 0; val[len] && (len < max_width); len++ )
 808                         ;
 809 #endif
 810                 }
 811                 else if (max_width >= 6)
 812                 {
 813                     val = wxT("(null)");
 814                     len = 6;
 815                 }
 816                 else
 817                 {
 818                     val = wxEmptyString;
 819                     len = 0;
 820                 }
 821
 822                 int i;
 823
 824                 if (!adj_left)
 825                 {
 826                     for (i = len; i < min_width; i++)
 827                         APPEND_CH(_T(' '));
 828                 }
 829
 830 #if wxUSE_STRUTILS
 831                 len = wxMin(len, lenMax-lenCur);
 832                 wxStrncpy(buf+lenCur, val, len);
 833                 lenCur += len;
 834 #else
 835                 for (i = 0; i < len; i++)
 836                     APPEND_CH(val[i]);
 837 #endif
 838
 839                 if (adj_left)
 840                 {
 841                     for (i = len; i < min_width; i++)
 842                         APPEND_CH(_T(' '));
 843                 }
 844             }
 845             break;
 846
 847         case wxPAT_NINT:
 848             *p->pad_nint = lenCur;
 849             break;
 850
 851         case wxPAT_NSHORTINT:
 852             *p->pad_nshortint = lenCur;
 853             break;
 854
 855         case wxPAT_NLONGINT:
 856             *p->pad_nlongint = lenCur;
 857             break;
 858
 859         case wxPAT_INVALID:
 860         default:
 861             return -1;
 862     }
 863
 864     // if we used system's sprintf() then we now need to append the s_szScratch
 865     // buffer to the given one...
 866     switch (type)
 867     {
 868         case wxPAT_INT:
 869         case wxPAT_LONGINT:
 870 #if SIZEOF_LONG_LONG
 871         case wxPAT_LONGLONGINT:
 872 #endif
 873         case wxPAT_SIZET:
 874         case wxPAT_LONGDOUBLE:
 875         case wxPAT_DOUBLE:
 876         case wxPAT_POINTER:
 877 #if wxUSE_STRUTILS
 878             {
 879                const wxMB2WXbuf tmp = wxConvLibc.cMB2WX(szScratch);
 880                size_t len = wxMin(lenMax, wxStrlen(tmp));
 881                wxStrncpy(buf, tmp, len);
 882                lenCur += len;
 883             }
 884 #else
 885             {
 886                 const wxMB2WXbuf tmp =
 887                     wxConvLibc.cMB2WX(szScratch);
 888                 APPEND_STR(tmp);
 889             }
 890 #endif
 891             break;
 892
 893         default:
 894             break;      // all other cases were completed previously
 895     }
 896
 897     return lenCur;
 898 }
 899
 900 int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
 901                              const wxChar *format, va_list argptr)
 902 {
 903     // cached data
 904     static wxPrintfConvSpec arg[wxMAX_SVNPRINTF_ARGUMENTS];
 905     static wxPrintfArg argdata[wxMAX_SVNPRINTF_ARGUMENTS];
 906     static wxPrintfConvSpec *pspec[wxMAX_SVNPRINTF_ARGUMENTS] = { NULL };
 907
 908     size_t i;
 909
 910     // number of characters in the buffer so far, must be less than lenMax
 911     size_t lenCur = 0;
 912
 913     size_t nargs = 0;
 914     const wxChar *toparse = format;
 915
 916     // parse the format string
 917     bool posarg_present = false, nonposarg_present = false;
 918     for (; *toparse != wxT('\0'); toparse++)
 919     {
 920         if (*toparse == wxT('%') )
 921         {
 922             arg[nargs].Init();
 923
 924             // let's see if this is a (valid) conversion specifier...
 925             if (arg[nargs].Parse(toparse))
 926             {
 927                 // ...yes it is
 928                 wxPrintfConvSpec *current = &arg[nargs];
 929
 930                 // make toparse point to the end of this specifier
 931                 toparse = current->argend;
 932
 933                 if (current->pos > 0) {
 934                     // the positionals start from number 1... adjust the index
 935                     current->pos--;
 936                     posarg_present = true;
 937                 } else {
 938                     // not a positional argument...
 939                     current->pos = nargs;
 940                     nonposarg_present = true;
 941                 }
 942
 943                 // this conversion specifier is tied to the pos-th argument...
 944                 pspec[current->pos] = current;
 945                 nargs++;
 946
 947                 if (nargs == wxMAX_SVNPRINTF_ARGUMENTS)
 948                     break;  // cannot handle any additional conv spec
 949             }
 950         }
 951     }
 952
 953     if (posarg_present && nonposarg_present)
 954         return -1;      // format strings with both positional and
 955                         // non-positional conversion specifier are unsupported !!
 956
 957     // now load arguments from stack
 958     for (i=0; i < nargs; i++) {
 959         if (!pspec[i])
 960             return -1;  // user forgot a positional parameter (e.g. %$1s %$3s) ?
 961         if (!pspec[i]->LoadArg(&argdata[i], argptr))
 962             return -1;  // this means that wxPrintfConvSpec::Parse failed
 963                         // to set its 'type' to a valid value...
 964     }
 965
 966     // finally, process each conversion specifier with its own argument
 967     toparse = format;
 968     for (i=0; i < nargs; i++)
 969     {
 970         // copy in the output buffer the portion of the format string between
 971         // last specifier and the current one
 972         size_t tocopy = ( arg[i].argpos - toparse );
 973         if (lenCur+tocopy >= lenMax)
 974             return -1;      // not enough space in the output buffer !
 975
 976         wxStrncpy(buf+lenCur, toparse, tocopy);
 977         lenCur += tocopy;
 978
 979         // process this specifier directly in the output buffer
 980         int n = arg[i].Process(buf+lenCur, lenMax - lenCur, &argdata[arg[i].pos]);
 981         if (n == -1)
 982             return -1;      // not enough space in the output buffer !
 983         lenCur += n;
 984
 985         // the +1 is because wxPrintfConvSpec::argend points to the last character
 986         // of the format specifier, but we are not interested to it...
 987         toparse = arg[i].argend + 1;
 988     }
 989
 990     // copy portion of the format string after last specifier
 991     // NOTE: toparse is pointing to the character just after the last processed
 992     //       conversion specifier
 993     // NOTE2: the +1 is because we want to copy also the '\0'
 994     size_t tocopy = wxStrlen(format) + 1  - ( toparse - format ) ;
 995     if (lenCur+tocopy >= lenMax)
 996         return -1;      // not enough space in the output buffer !
 997     wxStrncpy(buf+lenCur, toparse, tocopy);
 998     lenCur += tocopy - 1;   // the -1 is because of the '\0'
 999
1000     // clean the static array portion used...
1001     // NOTE: other arrays do not need cleanup!
1002     memset(pspec, 0, sizeof(wxPrintfConvSpec*)*nargs);
1003
1004     wxASSERT(lenCur == wxStrlen(buf));
1005     return lenCur;
1006 }
1007
1008 #undef APPEND_CH
1009 #undef APPEND_STR
1010 #undef CHECK_PREC
1011
1012 #endif // !wxVsnprintfA
1013
1014 #if !defined(wxSnprintf_)
1015 int WXDLLEXPORT wxSnprintf_(wxChar *buf, size_t len, const wxChar *format, ...)
1016 {
1017     va_list argptr;
1018     va_start(argptr, format);
1019
1020     int iLen = wxVsnprintf_(buf, len, format, argptr);
1021
1022     va_end(argptr);
1023
1024     return iLen;
1025 }
1026 #endif // wxSnprintf_
1027
1028 #if defined(__DMC__)
1029     /* Digital Mars adds count to _stprintf (C99) so convert */
1030     #if wxUSE_UNICODE
1031         int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... )
1032         {
1033             va_list arglist;
1034
1035             va_start( arglist, format );
1036             int iLen = swprintf ( s, -1, format, arglist );
1037             va_end( arglist );
1038             return iLen ;
1039         }
1040
1041     #endif // wxUSE_UNICODE
1042
1043 #endif //__DMC__
1044
1045 // ----------------------------------------------------------------------------
1046 // implement the standard IO functions for wide char if libc doesn't have them
1047 // ----------------------------------------------------------------------------
1048
1049 #ifdef wxNEED_FPUTS
1050 int wxFputs(const wchar_t *ws, FILE *stream)
1051 {
1052     // counting the number of wide characters written isn't worth the trouble,
1053     // simply distinguish between ok and error
1054     return fputs(wxConvLibc.cWC2MB(ws), stream) == -1 ? -1 : 0;
1055 }
1056 #endif // wxNEED_FPUTS
1057
1058 #ifdef wxNEED_PUTS
1059 int wxPuts(const wxChar *ws)
1060 {
1061     int rc = wxFputs(ws, stdout);
1062     if ( rc != -1 )
1063     {
1064         if ( wxFputs(L"\n", stdout) == -1 )
1065             return -1;
1066
1067         rc++;
1068     }
1069
1070     return rc;
1071 }
1072 #endif // wxNEED_PUTS
1073
1074 #ifdef wxNEED_PUTC
1075 int /* not wint_t */ wxPutc(wchar_t wc, FILE *stream)
1076 {
1077     wchar_t ws[2] = { wc, L'\0' };
1078
1079     return wxFputs(ws, stream);
1080 }
1081 #endif // wxNEED_PUTC
1082
1083 // NB: we only implement va_list functions here, the ones taking ... are
1084 //     defined below for wxNEED_PRINTF_CONVERSION case anyhow and we reuse
1085 //     the definitions there to avoid duplicating them here
1086 #ifdef wxNEED_WPRINTF
1087
1088 // TODO: implement the scanf() functions
1089 int vwscanf(const wxChar *format, va_list argptr)
1090 {
1091     wxFAIL_MSG( _T("TODO") );
1092
1093     return -1;
1094 }
1095
1096 int vswscanf(const wxChar *ws, const wxChar *format, va_list argptr)
1097 {
1098     // The best we can do without proper Unicode support in glibc is to
1099     // convert the strings into MB representation and run ANSI version
1100     // of the function. This doesn't work with %c and %s because of difference
1101     // in size of char and wchar_t, though.
1102
1103     wxCHECK_MSG( wxStrstr(format, _T("%s")) == NULL, -1,
1104                  _T("incomplete vswscanf implementation doesn't allow %s") );
1105     wxCHECK_MSG( wxStrstr(format, _T("%c")) == NULL, -1,
1106                  _T("incomplete vswscanf implementation doesn't allow %c") );
1107
1108     va_list argcopy;
1109     wxVaCopy(argcopy, argptr);
1110     return vsscanf(wxConvLibc.cWX2MB(ws), wxConvLibc.cWX2MB(format), argcopy);
1111 }
1112
1113 int vfwscanf(FILE *stream, const wxChar *format, va_list argptr)
1114 {
1115     wxFAIL_MSG( _T("TODO") );
1116
1117     return -1;
1118 }
1119
1120 #define vswprintf wxVsnprintf_
1121
1122 int vfwprintf(FILE *stream, const wxChar *format, va_list argptr)
1123 {
1124     wxString s;
1125     int rc = s.PrintfV(format, argptr);
1126
1127     if ( rc != -1 )
1128     {
1129         // we can't do much better without Unicode support in libc...
1130         if ( fprintf(stream, "%s", (const char*)s.mb_str() ) == -1 )
1131             return -1;
1132     }
1133
1134     return rc;
1135 }
1136
1137 int vwprintf(const wxChar *format, va_list argptr)
1138 {
1139     return wxVfprintf(stdout, format, argptr);
1140 }
1141
1142 #endif // wxNEED_WPRINTF
1143
1144 #ifdef wxNEED_PRINTF_CONVERSION
1145
1146 // ----------------------------------------------------------------------------
1147 // wxFormatConverter: class doing the "%s" -> "%ls" conversion
1148 // ----------------------------------------------------------------------------
1149
1150 /*
1151    Here are the gory details. We want to follow the Windows/MS conventions,
1152    that is to have
1153
1154    In ANSI mode:
1155
1156    format specifier         results in
1157    -----------------------------------
1158    %c, %hc, %hC             char
1159    %lc, %C, %lC             wchar_t
1160
1161    In Unicode mode:
1162
1163    format specifier         results in
1164    -----------------------------------
1165    %hc, %C, %hC             char
1166    %c, %lc, %lC             wchar_t
1167
1168
1169    while on POSIX systems we have %C identical to %lc and %c always means char
1170    (in any mode) while %lc always means wchar_t,
1171
1172    So to use native functions in order to get our semantics we must do the
1173    following translations in Unicode mode (nothing to do in ANSI mode):
1174
1175    wxWidgets specifier      POSIX specifier
1176    ----------------------------------------
1177
1178    %hc, %C, %hC             %c
1179    %c                       %lc
1180
1181
1182    And, of course, the same should be done for %s as well.
1183 */
1184
1185 class wxFormatConverter
1186 {
1187 public:
1188     wxFormatConverter(const wxChar *format);
1189
1190     // notice that we only translated the string if m_fmtOrig == NULL (as set
1191     // by CopyAllBefore()), otherwise we should simply use the original format
1192     operator const wxChar *() const
1193         { return m_fmtOrig ? m_fmtOrig : m_fmt.c_str(); }
1194
1195 private:
1196     // copy another character to the translated format: this function does the
1197     // copy if we are translating but doesn't do anything at all if we don't,
1198     // so we don't create the translated format string at all unless we really
1199     // need to (i.e. InsertFmtChar() is called)
1200     wxChar CopyFmtChar(wxChar ch)
1201     {
1202         if ( !m_fmtOrig )
1203         {
1204             // we're translating, do copy
1205             m_fmt += ch;
1206         }
1207         else
1208         {
1209             // simply increase the count which should be copied by
1210             // CopyAllBefore() later if needed
1211             m_nCopied++;
1212         }
1213
1214         return ch;
1215     }
1216
1217     // insert an extra character
1218     void InsertFmtChar(wxChar ch)
1219     {
1220         if ( m_fmtOrig )
1221         {
1222             // so far we haven't translated anything yet
1223             CopyAllBefore();
1224         }
1225
1226         m_fmt += ch;
1227     }
1228
1229     void CopyAllBefore()
1230     {
1231         wxASSERT_MSG( m_fmtOrig && m_fmt.empty(), _T("logic error") );
1232
1233         m_fmt = wxString(m_fmtOrig, m_nCopied);
1234
1235         // we won't need it any longer
1236         m_fmtOrig = NULL;
1237     }
1238
1239     static bool IsFlagChar(wxChar ch)
1240     {
1241         return ch == _T('-') || ch == _T('+') ||
1242                ch == _T('0') || ch == _T(' ') || ch == _T('#');
1243     }
1244
1245     void SkipDigits(const wxChar **ptpc)
1246     {
1247         while ( **ptpc >= _T('0') && **ptpc <= _T('9') )
1248             CopyFmtChar(*(*ptpc)++);
1249     }
1250
1251     // the translated format
1252     wxString m_fmt;
1253
1254     // the original format
1255     const wxChar *m_fmtOrig;
1256
1257     // the number of characters already copied
1258     size_t m_nCopied;
1259 };
1260
1261 wxFormatConverter::wxFormatConverter(const wxChar *format)
1262 {
1263     m_fmtOrig = format;
1264     m_nCopied = 0;
1265
1266     while ( *format )
1267     {
1268         if ( CopyFmtChar(*format++) == _T('%') )
1269         {
1270             // skip any flags
1271             while ( IsFlagChar(*format) )
1272                 CopyFmtChar(*format++);
1273
1274             // and possible width
1275             if ( *format == _T('*') )
1276                 CopyFmtChar(*format++);
1277             else
1278                 SkipDigits(&format);
1279
1280             // precision?
1281             if ( *format == _T('.') )
1282             {
1283                 CopyFmtChar(*format++);
1284                 if ( *format == _T('*') )
1285                     CopyFmtChar(*format++);
1286                 else
1287                     SkipDigits(&format);
1288             }
1289
1290             // next we can have a size modifier
1291             enum
1292             {
1293                 Default,
1294                 Short,
1295                 Long
1296             } size;
1297
1298             switch ( *format )
1299             {
1300                 case _T('h'):
1301                     size = Short;
1302                     format++;
1303                     break;
1304
1305                 case _T('l'):
1306                     // "ll" has a different meaning!
1307                     if ( format[1] != _T('l') )
1308                     {
1309                         size = Long;
1310                         format++;
1311                         break;
1312                     }
1313                     //else: fall through
1314
1315                 default:
1316                     size = Default;
1317             }
1318
1319             // and finally we should have the type
1320             switch ( *format )
1321             {
1322                 case _T('C'):
1323                 case _T('S'):
1324                     // %C and %hC -> %c and %lC -> %lc
1325                     if ( size == Long )
1326                         CopyFmtChar(_T('l'));
1327
1328                     InsertFmtChar(*format++ == _T('C') ? _T('c') : _T('s'));
1329                     break;
1330
1331                 case _T('c'):
1332                 case _T('s'):
1333                     // %c -> %lc but %hc stays %hc and %lc is still %lc
1334                     if ( size == Default)
1335                         InsertFmtChar(_T('l'));
1336                     // fall through
1337
1338                 default:
1339                     // nothing special to do
1340                     if ( size != Default )
1341                         CopyFmtChar(*(format - 1));
1342                     CopyFmtChar(*format++);
1343             }
1344         }
1345     }
1346 }
1347
1348 #else // !wxNEED_PRINTF_CONVERSION
1349     // no conversion necessary
1350     #define wxFormatConverter(x) (x)
1351 #endif // wxNEED_PRINTF_CONVERSION/!wxNEED_PRINTF_CONVERSION
1352
1353 #ifdef __WXDEBUG__
1354 // For testing the format converter
1355 wxString wxConvertFormat(const wxChar *format)
1356 {
1357     return wxString(wxFormatConverter(format));
1358 }
1359 #endif
1360
1361 // ----------------------------------------------------------------------------
1362 // wxPrintf(), wxScanf() and relatives
1363 // ----------------------------------------------------------------------------
1364
1365 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
1366
1367 int wxScanf( const wxChar *format, ... )
1368 {
1369     va_list argptr;
1370     va_start(argptr, format);
1371
1372     int ret = vwscanf(wxFormatConverter(format), argptr );
1373
1374     va_end(argptr);
1375
1376     return ret;
1377 }
1378
1379 int wxSscanf( const wxChar *str, const wxChar *format, ... )
1380 {
1381     va_list argptr;
1382     va_start(argptr, format);
1383
1384     int ret = vswscanf( str, wxFormatConverter(format), argptr );
1385
1386     va_end(argptr);
1387
1388     return ret;
1389 }
1390
1391 int wxFscanf( FILE *stream, const wxChar *format, ... )
1392 {
1393     va_list argptr;
1394     va_start(argptr, format);
1395     int ret = vfwscanf(stream, wxFormatConverter(format), argptr);
1396
1397     va_end(argptr);
1398
1399     return ret;
1400 }
1401
1402 int wxPrintf( const wxChar *format, ... )
1403 {
1404     va_list argptr;
1405     va_start(argptr, format);
1406
1407     int ret = vwprintf( wxFormatConverter(format), argptr );
1408
1409     va_end(argptr);
1410
1411     return ret;
1412 }
1413
1414 #ifndef wxSnprintf
1415 int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... )
1416 {
1417     va_list argptr;
1418     va_start(argptr, format);
1419
1420     int ret = vswprintf( str, size, wxFormatConverter(format), argptr );
1421
1422     va_end(argptr);
1423
1424     return ret;
1425 }
1426 #endif // wxSnprintf
1427
1428 int wxSprintf( wxChar *str, const wxChar *format, ... )
1429 {
1430     va_list argptr;
1431     va_start(argptr, format);
1432
1433     // note that wxString::FormatV() uses wxVsnprintf(), not wxSprintf(), so
1434     // it's safe to implement this one in terms of it
1435     wxString s(wxString::FormatV(format, argptr));
1436     wxStrcpy(str, s);
1437
1438     va_end(argptr);
1439
1440     return s.length();
1441 }
1442
1443 int wxFprintf( FILE *stream, const wxChar *format, ... )
1444 {
1445     va_list argptr;
1446     va_start( argptr, format );
1447
1448     int ret = vfwprintf( stream, wxFormatConverter(format), argptr );
1449
1450     va_end(argptr);
1451
1452     return ret;
1453 }
1454
1455 int wxVsscanf( const wxChar *str, const wxChar *format, va_list argptr )
1456 {
1457     return vswscanf( str, wxFormatConverter(format), argptr );
1458 }
1459
1460 int wxVfprintf( FILE *stream, const wxChar *format, va_list argptr )
1461 {
1462     return vfwprintf( stream, wxFormatConverter(format), argptr );
1463 }
1464
1465 int wxVprintf( const wxChar *format, va_list argptr )
1466 {
1467     return vwprintf( wxFormatConverter(format), argptr );
1468 }
1469
1470 #ifndef wxVsnprintf
1471 int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list argptr )
1472 {
1473     return vswprintf( str, size, wxFormatConverter(format), argptr );
1474 }
1475 #endif // wxVsnprintf
1476
1477 int wxVsprintf( wxChar *str, const wxChar *format, va_list argptr )
1478 {
1479     // same as for wxSprintf()
1480     return vswprintf(str, INT_MAX / 4, wxFormatConverter(format), argptr);
1481 }
1482
1483 #endif // wxNEED_PRINTF_CONVERSION
1484
1485 #if wxUSE_WCHAR_T
1486
1487 // ----------------------------------------------------------------------------
1488 // ctype.h stuff (currently unused)
1489 // ----------------------------------------------------------------------------
1490
1491 #if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
1492 inline WORD wxMSW_ctype(wxChar ch)
1493 {
1494   WORD ret;
1495   GetStringTypeEx(LOCALE_USER_DEFAULT, CT_CTYPE1, &ch, 1, &ret);
1496   return ret;
1497 }
1498
1499 WXDLLEXPORT int wxIsalnum(wxChar ch) { return IsCharAlphaNumeric(ch); }
1500 WXDLLEXPORT int wxIsalpha(wxChar ch) { return IsCharAlpha(ch); }
1501 WXDLLEXPORT int wxIscntrl(wxChar ch) { return wxMSW_ctype(ch) & C1_CNTRL; }
1502 WXDLLEXPORT int wxIsdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_DIGIT; }
1503 WXDLLEXPORT int wxIsgraph(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_PUNCT|C1_ALPHA); }
1504 WXDLLEXPORT int wxIslower(wxChar ch) { return IsCharLower(ch); }
1505 WXDLLEXPORT int wxIsprint(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_SPACE|C1_PUNCT|C1_ALPHA); }
1506 WXDLLEXPORT int wxIspunct(wxChar ch) { return wxMSW_ctype(ch) & C1_PUNCT; }
1507 WXDLLEXPORT int wxIsspace(wxChar ch) { return wxMSW_ctype(ch) & C1_SPACE; }
1508 WXDLLEXPORT int wxIsupper(wxChar ch) { return IsCharUpper(ch); }
1509 WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_XDIGIT; }
1510 WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)CharLower((LPTSTR)(ch)); }
1511 WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)CharUpper((LPTSTR)(ch)); }
1512 #endif
1513
1514 #ifdef wxNEED_WX_MBSTOWCS
1515
1516 WXDLLEXPORT size_t wxMbstowcs (wchar_t * out, const char * in, size_t outlen)
1517 {
1518     if (!out)
1519     {
1520         size_t outsize = 0;
1521         while(*in++)
1522             outsize++;
1523         return outsize;
1524     }
1525
1526     const char* origin = in;
1527
1528     while (outlen-- && *in)
1529     {
1530         *out++ = (wchar_t) *in++;
1531     }
1532
1533     *out = '\0';
1534
1535     return in - origin;
1536 }
1537
1538 WXDLLEXPORT size_t wxWcstombs (char * out, const wchar_t * in, size_t outlen)
1539 {
1540     if (!out)
1541     {
1542         size_t outsize = 0;
1543         while(*in++)
1544             outsize++;
1545         return outsize;
1546     }
1547
1548     const wchar_t* origin = in;
1549
1550     while (outlen-- && *in)
1551     {
1552         *out++ = (char) *in++;
1553     }
1554
1555     *out = '\0';
1556
1557     return in - origin;
1558 }
1559
1560 #endif // wxNEED_WX_MBSTOWCS
1561
1562 #if defined(wxNEED_WX_CTYPE_H)
1563
1564 #include <CoreFoundation/CoreFoundation.h>
1565
1566 #define cfalnumset CFCharacterSetGetPredefined(kCFCharacterSetAlphaNumeric)
1567 #define cfalphaset CFCharacterSetGetPredefined(kCFCharacterSetLetter)
1568 #define cfcntrlset CFCharacterSetGetPredefined(kCFCharacterSetControl)
1569 #define cfdigitset CFCharacterSetGetPredefined(kCFCharacterSetDecimalDigit)
1570 //CFCharacterSetRef cfgraphset = kCFCharacterSetControl && !' '
1571 #define cflowerset CFCharacterSetGetPredefined(kCFCharacterSetLowercaseLetter)
1572 //CFCharacterSetRef cfprintset = !kCFCharacterSetControl
1573 #define cfpunctset CFCharacterSetGetPredefined(kCFCharacterSetPunctuation)
1574 #define cfspaceset CFCharacterSetGetPredefined(kCFCharacterSetWhitespaceAndNewline)
1575 #define cfupperset CFCharacterSetGetPredefined(kCFCharacterSetUppercaseLetter)
1576
1577 WXDLLEXPORT int wxIsalnum(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalnumset, ch); }
1578 WXDLLEXPORT int wxIsalpha(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalphaset, ch); }
1579 WXDLLEXPORT int wxIscntrl(wxChar ch) { return CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
1580 WXDLLEXPORT int wxIsdigit(wxChar ch) { return CFCharacterSetIsCharacterMember(cfdigitset, ch); }
1581 WXDLLEXPORT int wxIsgraph(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch) && ch != ' '; }
1582 WXDLLEXPORT int wxIslower(wxChar ch) { return CFCharacterSetIsCharacterMember(cflowerset, ch); }
1583 WXDLLEXPORT int wxIsprint(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
1584 WXDLLEXPORT int wxIspunct(wxChar ch) { return CFCharacterSetIsCharacterMember(cfpunctset, ch); }
1585 WXDLLEXPORT int wxIsspace(wxChar ch) { return CFCharacterSetIsCharacterMember(cfspaceset, ch); }
1586 WXDLLEXPORT int wxIsupper(wxChar ch) { return CFCharacterSetIsCharacterMember(cfupperset, ch); }
1587 WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxIsdigit(ch) || (ch>='a' && ch<='f') || (ch>='A' && ch<='F'); }
1588 WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)tolower((char)(ch)); }
1589 WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)toupper((char)(ch)); }
1590
1591 #endif  // wxNEED_WX_CTYPE_H
1592
1593 #ifndef wxStrdupA
1594
1595 WXDLLEXPORT char *wxStrdupA(const char *s)
1596 {
1597     return strcpy((char *)malloc(strlen(s) + 1), s);
1598 }
1599
1600 #endif // wxStrdupA
1601
1602 #ifndef wxStrdupW
1603
1604 WXDLLEXPORT wchar_t * wxStrdupW(const wchar_t *pwz)
1605 {
1606   size_t size = (wxWcslen(pwz) + 1) * sizeof(wchar_t);
1607   wchar_t *ret = (wchar_t *) malloc(size);
1608   memcpy(ret, pwz, size);
1609   return ret;
1610 }
1611
1612 #endif // wxStrdupW
1613
1614 #ifndef wxStricmp
1615 int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
1616 {
1617   register wxChar c1, c2;
1618   do {
1619     c1 = wxTolower(*psz1++);
1620     c2 = wxTolower(*psz2++);
1621   } while ( c1 && (c1 == c2) );
1622   return c1 - c2;
1623 }
1624 #endif
1625
1626 #ifndef wxStricmp
1627 int WXDLLEXPORT wxStrnicmp(const wxChar *s1, const wxChar *s2, size_t n)
1628 {
1629   // initialize the variables just to suppress stupid gcc warning
1630   register wxChar c1 = 0, c2 = 0;
1631   while (n && ((c1 = wxTolower(*s1)) == (c2 = wxTolower(*s2)) ) && c1) n--, s1++, s2++;
1632   if (n) {
1633     if (c1 < c2) return -1;
1634     if (c1 > c2) return 1;
1635   }
1636   return 0;
1637 }
1638 #endif
1639
1640 #ifndef wxSetlocale
1641 WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale)
1642 {
1643     char *localeOld = setlocale(category, wxConvLibc.cWX2MB(locale));
1644
1645     return wxWCharBuffer(wxConvLibc.cMB2WC(localeOld));
1646 }
1647 #endif
1648
1649 #if wxUSE_WCHAR_T && !defined(HAVE_WCSLEN)
1650 WXDLLEXPORT size_t wxWcslen(const wchar_t *s)
1651 {
1652     size_t n = 0;
1653     while ( *s++ )
1654         n++;
1655
1656     return n;
1657 }
1658 #endif
1659
1660 // ----------------------------------------------------------------------------
1661 // string.h functions
1662 // ----------------------------------------------------------------------------
1663
1664 #ifdef wxNEED_WX_STRING_H
1665
1666 // RN:  These need to be c externed for the regex lib
1667 #ifdef __cplusplus
1668 extern "C" {
1669 #endif
1670
1671 WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src)
1672 {
1673   wxChar *ret = dest;
1674   while (*dest) dest++;
1675   while ((*dest++ = *src++));
1676   return ret;
1677 }
1678
1679 WXDLLEXPORT const wxChar * wxStrchr(const wxChar *s, wxChar c)
1680 {
1681     // be careful here as the terminating NUL makes part of the string
1682     while ( *s != c )
1683     {
1684         if ( !*s++ )
1685             return NULL;
1686     }
1687
1688     return s;
1689 }
1690
1691 WXDLLEXPORT int wxStrcmp(const wxChar *s1, const wxChar *s2)
1692 {
1693   while ((*s1 == *s2) && *s1) s1++, s2++;
1694   if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
1695   if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
1696   return 0;
1697 }
1698
1699 WXDLLEXPORT wxChar * wxStrcpy(wxChar *dest, const wxChar *src)
1700 {
1701   wxChar *ret = dest;
1702   while ((*dest++ = *src++));
1703   return ret;
1704 }
1705
1706 WXDLLEXPORT size_t wxStrlen_(const wxChar *s)
1707 {
1708     size_t n = 0;
1709     while ( *s++ )
1710         n++;
1711
1712     return n;
1713 }
1714
1715
1716 WXDLLEXPORT wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n)
1717 {
1718   wxChar *ret = dest;
1719   while (*dest) dest++;
1720   while (n && (*dest++ = *src++)) n--;
1721   return ret;
1722 }
1723
1724 WXDLLEXPORT int wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n)
1725 {
1726   while (n && (*s1 == *s2) && *s1) n--, s1++, s2++;
1727   if (n) {
1728     if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
1729     if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
1730   }
1731   return 0;
1732 }
1733
1734 WXDLLEXPORT wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n)
1735 {
1736   wxChar *ret = dest;
1737   while (n && (*dest++ = *src++)) n--;
1738   while (n) *dest++=0, n--; // the docs specify padding with zeroes
1739   return ret;
1740 }
1741
1742 WXDLLEXPORT const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept)
1743 {
1744   while (*s && !wxStrchr(accept, *s))
1745       s++;
1746
1747   return *s ? s : NULL;
1748 }
1749
1750 WXDLLEXPORT const wxChar * wxStrrchr(const wxChar *s, wxChar c)
1751 {
1752     const wxChar *ret = NULL;
1753     do
1754     {
1755         if ( *s == c )
1756             ret = s;
1757         s++;
1758     }
1759     while ( *s );
1760
1761     return ret;
1762 }
1763
1764 WXDLLEXPORT size_t wxStrspn(const wxChar *s, const wxChar *accept)
1765 {
1766   size_t len = 0;
1767   while (wxStrchr(accept, *s++)) len++;
1768   return len;
1769 }
1770
1771 WXDLLEXPORT const wxChar *wxStrstr(const wxChar *haystack, const wxChar *needle)
1772 {
1773     wxASSERT_MSG( needle != NULL, _T("NULL argument in wxStrstr") );
1774
1775     // VZ: this is not exactly the most efficient string search algorithm...
1776
1777     const size_t len = wxStrlen(needle);
1778
1779     while ( const wxChar *fnd = wxStrchr(haystack, *needle) )
1780     {
1781         if ( !wxStrncmp(fnd, needle, len) )
1782             return fnd;
1783
1784         haystack = fnd + 1;
1785     }
1786
1787     return NULL;
1788 }
1789
1790 #ifdef __cplusplus
1791 }
1792 #endif
1793
1794 WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr)
1795 {
1796   const wxChar *start = nptr;
1797
1798   // FIXME: only correct for C locale
1799   while (wxIsspace(*nptr)) nptr++;
1800   if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
1801   while (wxIsdigit(*nptr)) nptr++;
1802   if (*nptr == wxT('.')) {
1803     nptr++;
1804     while (wxIsdigit(*nptr)) nptr++;
1805   }
1806   if (*nptr == wxT('E') || *nptr == wxT('e')) {
1807     nptr++;
1808     if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
1809     while (wxIsdigit(*nptr)) nptr++;
1810   }
1811
1812   wxString data(nptr, nptr-start);
1813   wxWX2MBbuf dat = data.mb_str(wxConvLibc);
1814   char *rdat = wxMBSTRINGCAST dat;
1815   double ret = strtod(dat, &rdat);
1816
1817   if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
1818
1819   return ret;
1820 }
1821
1822 WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base)
1823 {
1824   const wxChar *start = nptr;
1825
1826   // FIXME: only correct for C locale
1827   while (wxIsspace(*nptr)) nptr++;
1828   if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
1829   if (((base == 0) || (base == 16)) &&
1830       (nptr[0] == wxT('0') && nptr[1] == wxT('x'))) {
1831     nptr += 2;
1832     base = 16;
1833   }
1834   else if ((base == 0) && (nptr[0] == wxT('0'))) base = 8;
1835   else if (base == 0) base = 10;
1836
1837   while ((wxIsdigit(*nptr) && (*nptr - wxT('0') < base)) ||
1838          (wxIsalpha(*nptr) && (wxToupper(*nptr) - wxT('A') + 10 < base))) nptr++;
1839
1840   wxString data(start, nptr-start);
1841   wxWX2MBbuf dat = data.mb_str(wxConvLibc);
1842   char *rdat = wxMBSTRINGCAST dat;
1843   long int ret = strtol(dat, &rdat, base);
1844
1845   if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
1846
1847   return ret;
1848 }
1849
1850 WXDLLEXPORT unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base)
1851 {
1852     return (unsigned long int) wxStrtol(nptr, endptr, base);
1853 }
1854
1855 #endif // wxNEED_WX_STRING_H
1856
1857 #ifdef wxNEED_WX_STDIO_H
1858 WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
1859 {
1860     char mode_buffer[10];
1861     for (size_t i = 0; i < wxStrlen(mode)+1; i++)
1862        mode_buffer[i] = (char) mode[i];
1863
1864     return fopen( wxConvFile.cWX2MB(path), mode_buffer );
1865 }
1866
1867 WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream)
1868 {
1869     char mode_buffer[10];
1870     for (size_t i = 0; i < wxStrlen(mode)+1; i++)
1871        mode_buffer[i] = (char) mode[i];
1872
1873     return freopen( wxConvFile.cWX2MB(path), mode_buffer, stream );
1874 }
1875
1876 WXDLLEXPORT int wxRemove(const wxChar *path)
1877 {
1878     return remove( wxConvFile.cWX2MB(path) );
1879 }
1880
1881 WXDLLEXPORT int wxRename(const wxChar *oldpath, const wxChar *newpath)
1882 {
1883     return rename( wxConvFile.cWX2MB(oldpath), wxConvFile.cWX2MB(newpath) );
1884 }
1885 #endif
1886
1887 #ifndef wxAtof
1888 double   WXDLLEXPORT wxAtof(const wxChar *psz)
1889 {
1890 #ifdef __WXWINCE__
1891     double d;
1892     wxString str(psz);
1893     if (str.ToDouble(& d))
1894         return d;
1895
1896     return 0.0;
1897 #else
1898     return atof(wxConvLibc.cWX2MB(psz));
1899 #endif
1900 }
1901 #endif
1902
1903 #ifdef wxNEED_WX_STDLIB_H
1904 int      WXDLLEXPORT wxAtoi(const wxChar *psz)
1905 {
1906   return atoi(wxConvLibc.cWX2MB(psz));
1907 }
1908
1909 long     WXDLLEXPORT wxAtol(const wxChar *psz)
1910 {
1911   return atol(wxConvLibc.cWX2MB(psz));
1912 }
1913
1914 wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
1915 {
1916 #if wxUSE_UNICODE
1917     // NB: buffer returned by getenv() is allowed to be overwritten next
1918     //     time getenv() is called, so it is OK to use static string
1919     //     buffer to hold the data.
1920     static wxWCharBuffer value((wxChar*)NULL);
1921     value = wxConvLibc.cMB2WX(getenv(wxConvLibc.cWX2MB(name)));
1922     return value.data();
1923 #else
1924     return getenv(name);
1925 #endif
1926 }
1927
1928 int WXDLLEXPORT wxSystem(const wxChar *psz)
1929 {
1930     return system(wxConvLibc.cWX2MB(psz));
1931 }
1932
1933 #endif // wxNEED_WX_STDLIB_H
1934
1935 #ifdef wxNEED_WX_TIME_H
1936 WXDLLEXPORT size_t
1937 wxStrftime(wxChar *s, size_t maxsize, const wxChar *fmt, const struct tm *tm)
1938 {
1939     if ( !maxsize )
1940         return 0;
1941
1942     wxCharBuffer buf(maxsize);
1943
1944     wxCharBuffer bufFmt(wxConvLibc.cWX2MB(fmt));
1945     if ( !bufFmt )
1946         return 0;
1947
1948     size_t ret = strftime(buf.data(), maxsize, bufFmt, tm);
1949     if  ( !ret )
1950         return 0;
1951
1952     wxWCharBuffer wbuf = wxConvLibc.cMB2WX(buf);
1953     if ( !wbuf )
1954         return 0;
1955
1956     wxStrncpy(s, wbuf, maxsize);
1957     return wxStrlen(s);
1958 }
1959 #endif // wxNEED_WX_TIME_H
1960
1961 #ifndef wxCtime
1962 WXDLLEXPORT wxChar *wxCtime(const time_t *timep)
1963 {
1964     // normally the string is 26 chars but give one more in case some broken
1965     // DOS compiler decides to use "\r\n" instead of "\n" at the end
1966     static wxChar buf[27];
1967
1968     // ctime() is guaranteed to return a string containing only ASCII
1969     // characters, as its format is always the same for any locale
1970     wxStrncpy(buf, wxString::FromAscii(ctime(timep)), WXSIZEOF(buf));
1971     buf[WXSIZEOF(buf) - 1] = _T('\0');
1972
1973     return buf;
1974 }
1975 #endif // wxCtime
1976
1977 #endif // wxUSE_WCHAR_T
1978
1979 // ----------------------------------------------------------------------------
1980 // functions which we may need even if !wxUSE_WCHAR_T
1981 // ----------------------------------------------------------------------------
1982
1983 #ifndef wxStrtok
1984
1985 WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)
1986 {
1987     if (!psz)
1988     {
1989         psz = *save_ptr;
1990         if ( !psz )
1991             return NULL;
1992     }
1993
1994     psz += wxStrspn(psz, delim);
1995     if (!*psz)
1996     {
1997         *save_ptr = (wxChar *)NULL;
1998         return (wxChar *)NULL;
1999     }
2000
2001     wxChar *ret = psz;
2002     psz = wxStrpbrk(psz, delim);
2003     if (!psz)
2004     {
2005         *save_ptr = (wxChar*)NULL;
2006     }
2007     else
2008     {
2009         *psz = wxT('\0');
2010         *save_ptr = psz + 1;
2011     }
2012
2013     return ret;
2014 }
2015
2016 #endif // wxStrtok
2017
2018 // ----------------------------------------------------------------------------
2019 // missing C RTL functions
2020 // ----------------------------------------------------------------------------
2021
2022 #ifdef wxNEED_STRDUP
2023
2024 char *strdup(const char *s)
2025 {
2026     char *dest = (char*) malloc( strlen( s ) + 1 ) ;
2027     if ( dest )
2028         strcpy( dest , s ) ;
2029     return dest ;
2030 }
2031 #endif // wxNEED_STRDUP
2032
2033 #if defined(__WXWINCE__) && (_WIN32_WCE <= 211)
2034
2035 void *calloc( size_t num, size_t size )
2036 {
2037     void** ptr = (void **)malloc(num * size);
2038     memset( ptr, 0, num * size);
2039     return ptr;
2040 }
2041
2042 #endif // __WXWINCE__ <= 211
2043
2044 #ifdef __WXWINCE__
2045
2046 int wxRemove(const wxChar *path)
2047 {
2048     return ::DeleteFile(path) == 0;
2049 }
2050
2051 #endif