src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #include "wx/utils.h"
  33 #include "wx/intl.h"
  34 #include "wx/file.h"
  35 #include "wx/filename.h"
  36
  37 // there are just too many of those...
  38 #ifdef __VISUALC__
  39     #pragma warning(disable:4706)   // assignment within conditional expression
  40 #endif // VC++
  41
  42 #include <ctype.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #if !defined(__WATCOMC__)
  47     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  48         #include <errno.h>
  49     #endif
  50 #endif
  51
  52 #include <time.h>
  53
  54 #ifndef __MWERKS__
  55     #include <sys/types.h>
  56     #include <sys/stat.h>
  57 #else
  58     #include <stat.h>
  59     #include <unistd.h>
  60     #include <unix.h>
  61 #endif
  62
  63 #ifdef __UNIX__
  64     #include <unistd.h>
  65     #include <dirent.h>
  66 #endif
  67
  68 #ifdef __WXPM__
  69     #include <process.h>
  70     #include "wx/os2/private.h"
  71 #endif
  72 #ifdef __WINDOWS__
  73 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  74     #include <direct.h>
  75     #include <dos.h>
  76     #include <io.h>
  77 #endif // __WINDOWS__
  78 #endif // native Win compiler
  79
  80 #ifdef __GNUWIN32__
  81     #ifndef __TWIN32__
  82         #include <sys/unistd.h>
  83     #endif
  84 #endif
  85
  86 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  87                     // this (3.1 I believe) and how to test for it.
  88                     // If this works for Borland 4.0 as well, then no worries.
  89     #include <dir.h>
  90 #endif
  91
  92 #ifdef __SALFORDC__
  93     #include <dir.h>
  94     #include <unix.h>
  95 #endif
  96
  97 #include "wx/setup.h"
  98 #include "wx/log.h"
  99
 100 // No, Cygwin doesn't appear to have fnmatch.h after all.
 101 #if defined(HAVE_FNMATCH_H)
 102     #include "fnmatch.h"
 103 #endif
 104
 105 #ifdef __WINDOWS__
 106     #include <windows.h>
 107 #endif
 108
 109 // ----------------------------------------------------------------------------
 110 // constants
 111 // ----------------------------------------------------------------------------
 112
 113 #define _MAXPATHLEN 500
 114
 115 extern wxChar *wxBuffer;
 116
 117 #if defined(__WXMAC__) && !defined(__UNIX__)
 118     #include "morefile.h"
 119     #include "moreextr.h"
 120     #include "fullpath.h"
 121     #include "fspcompa.h"
 122 #endif
 123
 124 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 125
 126 // ----------------------------------------------------------------------------
 127 // private globals
 128 // ----------------------------------------------------------------------------
 129
 130 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 131
 132 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 133 //
 134 // VisualAge C++ V4.0 cannot have any external linkage const decs
 135 // in headers included by more than one primary source
 136 //
 137 const off_t wxInvalidOffset = (off_t)-1;
 138 #endif
 139
 140 // ----------------------------------------------------------------------------
 141 // macros
 142 // ----------------------------------------------------------------------------
 143
 144 // we need to translate Mac filenames before passing them to OS functions
 145     #define OS_FILENAME(s) (s.fn_str())
 146
 147 // ============================================================================
 148 // implementation
 149 // ============================================================================
 150
 151 void wxPathList::Add (const wxString& path)
 152 {
 153     wxStringList::Add (WXSTRINGCAST path);
 154 }
 155
 156 // Add paths e.g. from the PATH environment variable
 157 void wxPathList::AddEnvList (const wxString& envVariable)
 158 {
 159   static const wxChar PATH_TOKS[] =
 160 #ifdef __WINDOWS__
 161         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 162 #else
 163         wxT(" :;");
 164 #endif
 165
 166   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 167   if (val && *val)
 168     {
 169       wxChar *s = copystring (val);
 170       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 171
 172       if (token)
 173       {
 174           Add (copystring (token));
 175           while (token)
 176           {
 177               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 178                   Add (wxString(token));
 179           }
 180       }
 181
 182       // suppress warning about unused variable save_ptr when wxStrtok() is a
 183       // macro which throws away its third argument
 184       save_ptr = token;
 185
 186       delete [] s;
 187     }
 188 }
 189
 190 // Given a full filename (with path), ensure that that file can
 191 // be accessed again USING FILENAME ONLY by adding the path
 192 // to the list if not already there.
 193 void wxPathList::EnsureFileAccessible (const wxString& path)
 194 {
 195     wxString path_only(wxPathOnly(path));
 196     if ( !path_only.IsEmpty() )
 197     {
 198         if ( !Member(path_only) )
 199             Add(path_only);
 200     }
 201 }
 202
 203 bool wxPathList::Member (const wxString& path)
 204 {
 205   for (wxNode * node = First (); node != NULL; node = node->Next ())
 206   {
 207       wxString path2((wxChar *) node->Data ());
 208       if (
 209 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 210       // Case INDEPENDENT
 211           path.CompareTo (path2, wxString::ignoreCase) == 0
 212 #else
 213       // Case sensitive File System
 214           path.CompareTo (path2) == 0
 215 #endif
 216         )
 217         return TRUE;
 218   }
 219   return FALSE;
 220 }
 221
 222 wxString wxPathList::FindValidPath (const wxString& file)
 223 {
 224   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 225     return wxString(wxFileFunctionsBuffer);
 226
 227   wxChar buf[_MAXPATHLEN];
 228   wxStrcpy(buf, wxFileFunctionsBuffer);
 229
 230   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 231   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 232
 233   for (wxNode * node = First (); node; node = node->Next ())
 234     {
 235       wxChar *path = (wxChar *) node->Data ();
 236       wxStrcpy (wxFileFunctionsBuffer, path);
 237       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 238       if (ch != wxT('\\') && ch != wxT('/'))
 239         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 240       wxStrcat (wxFileFunctionsBuffer, filename);
 241 #ifdef __WINDOWS__
 242       Unix2DosFilename (wxFileFunctionsBuffer);
 243 #endif
 244       if (wxFileExists (wxFileFunctionsBuffer))
 245       {
 246         return wxString(wxFileFunctionsBuffer);        // Found!
 247       }
 248     }                                // for()
 249
 250   return wxString(wxT(""));                    // Not found
 251 }
 252
 253 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 254 {
 255     wxString f = FindValidPath(file);
 256     if ( wxIsAbsolutePath(f) )
 257         return f;
 258
 259     wxString buf;
 260     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 261     buf.UngetWriteBuf();
 262     if ( !wxEndsWithPathSeparator(buf) )
 263     {
 264         buf += wxFILE_SEP_PATH;
 265     }
 266     buf += f;
 267
 268     return buf;
 269 }
 270
 271 bool
 272 wxFileExists (const wxString& filename)
 273 {
 274 #ifdef __GNUWIN32__ // (fix a B20 bug)
 275     return GetFileAttributes(filename) != 0xFFFFFFFF;
 276 #else
 277     wxStructStat stbuf;
 278     if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
 279         return TRUE;
 280
 281     return FALSE;
 282 #endif
 283 }
 284
 285 bool
 286 wxIsAbsolutePath (const wxString& filename)
 287 {
 288 #ifdef __WXMAC__
 289   if (filename != wxT(""))
 290   {
 291     if( filename.Find(':') != wxNOT_FOUND && filename[0] != ':' )
 292       return TRUE ;
 293   }
 294   return FALSE ;
 295 #else
 296   if (filename != wxT(""))
 297     {
 298       if (filename[0] == wxT('/')
 299 #ifdef __VMS__
 300       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 301 #endif
 302 #ifdef __WINDOWS__
 303       /* MSDOS */
 304       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 305 #endif
 306         )
 307         return TRUE;
 308     }
 309   return FALSE;
 310 #endif
 311 }
 312
 313 /*
 314  * Strip off any extension (dot something) from end of file,
 315  * IF one exists. Inserts zero into buffer.
 316  *
 317  */
 318
 319 void wxStripExtension(wxChar *buffer)
 320 {
 321   int len = wxStrlen(buffer);
 322   int i = len-1;
 323   while (i > 0)
 324   {
 325     if (buffer[i] == wxT('.'))
 326     {
 327       buffer[i] = 0;
 328       break;
 329     }
 330     i --;
 331   }
 332 }
 333
 334 void wxStripExtension(wxString& buffer)
 335 {
 336   size_t len = buffer.Length();
 337   size_t i = len-1;
 338   while (i > 0)
 339   {
 340     if (buffer.GetChar(i) == wxT('.'))
 341     {
 342       buffer = buffer.Left(i);
 343       break;
 344     }
 345     i --;
 346   }
 347 }
 348
 349 // Destructive removal of /./ and /../ stuff
 350 wxChar *wxRealPath (wxChar *path)
 351 {
 352 #ifdef __WXMSW__
 353   static const wxChar SEP = wxT('\\');
 354   Unix2DosFilename(path);
 355 #else
 356   static const wxChar SEP = wxT('/');
 357 #endif
 358   if (path[0] && path[1]) {
 359     /* MATTHEW: special case "/./x" */
 360     wxChar *p;
 361     if (path[2] == SEP && path[1] == wxT('.'))
 362       p = &path[0];
 363     else
 364       p = &path[2];
 365     for (; *p; p++)
 366       {
 367         if (*p == SEP)
 368           {
 369             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 370               {
 371                 wxChar *q;
 372                 for (q = p - 1; q >= path && *q != SEP; q--);
 373                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 374                     && (q - 1 <= path || q[-1] != SEP))
 375                   {
 376                     wxStrcpy (q, p + 3);
 377                     if (path[0] == wxT('\0'))
 378                       {
 379                         path[0] = SEP;
 380                         path[1] = wxT('\0');
 381                       }
 382 #ifdef __WXMSW__
 383                     /* Check that path[2] is NULL! */
 384                     else if (path[1] == wxT(':') && !path[2])
 385                       {
 386                         path[2] = SEP;
 387                         path[3] = wxT('\0');
 388                       }
 389 #endif
 390                     p = q - 1;
 391                   }
 392               }
 393             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 394               wxStrcpy (p, p + 2);
 395           }
 396       }
 397   }
 398   return path;
 399 }
 400
 401 // Must be destroyed
 402 wxChar *wxCopyAbsolutePath(const wxString& filename)
 403 {
 404   if (filename == wxT(""))
 405     return (wxChar *) NULL;
 406
 407   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 408     wxChar  buf[_MAXPATHLEN];
 409     buf[0] = wxT('\0');
 410     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 411     wxChar ch = buf[wxStrlen(buf) - 1];
 412 #ifdef __WXMSW__
 413     if (ch != wxT('\\') && ch != wxT('/'))
 414         wxStrcat(buf, wxT("\\"));
 415 #else
 416     if (ch != wxT('/'))
 417         wxStrcat(buf, wxT("/"));
 418 #endif
 419     wxStrcat(buf, wxFileFunctionsBuffer);
 420     return copystring( wxRealPath(buf) );
 421   }
 422   return copystring( wxFileFunctionsBuffer );
 423 }
 424
 425 /*-
 426  Handles:
 427    ~/ => home dir
 428    ~user/ => user's home dir
 429    If the environment variable a = "foo" and b = "bar" then:
 430    Unix:
 431         $a        =>        foo
 432         $a$b        =>        foobar
 433         $a.c        =>        foo.c
 434         xxx$a        =>        xxxfoo
 435         ${a}!        =>        foo!
 436         $(b)!        =>        bar!
 437         \$a        =>        \$a
 438    MSDOS:
 439         $a        ==>        $a
 440         $(a)        ==>        foo
 441         $(a)$b        ==>        foo$b
 442         $(a)$(b)==>        foobar
 443         test.$$        ==>        test.$$
 444  */
 445
 446 /* input name in name, pathname output to buf. */
 447
 448 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 449 {
 450     register wxChar *d, *s, *nm;
 451     wxChar          lnm[_MAXPATHLEN];
 452     int             q;
 453
 454     // Some compilers don't like this line.
 455 //    const wxChar    trimchars[] = wxT("\n \t");
 456
 457     wxChar      trimchars[4];
 458     trimchars[0] = wxT('\n');
 459     trimchars[1] = wxT(' ');
 460     trimchars[2] = wxT('\t');
 461     trimchars[3] = 0;
 462
 463 #ifdef __WXMSW__
 464      const wxChar     SEP = wxT('\\');
 465 #else
 466      const wxChar     SEP = wxT('/');
 467 #endif
 468     buf[0] = wxT('\0');
 469     if (name == NULL || *name == wxT('\0'))
 470         return buf;
 471     nm = copystring(name); // Make a scratch copy
 472     wxChar *nm_tmp = nm;
 473
 474     /* Skip leading whitespace and cr */
 475     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 476         nm++;
 477     /* And strip off trailing whitespace and cr */
 478     s = nm + (q = wxStrlen(nm)) - 1;
 479     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 480         *s = wxT('\0');
 481
 482     s = nm;
 483     d = lnm;
 484 #ifdef __WXMSW__
 485     q = FALSE;
 486 #else
 487     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 488 #endif
 489
 490     /* Expand inline environment variables */
 491 #ifdef __VISAGECPP__
 492     while (*d)
 493     {
 494       *d++ = *s;
 495       if(*s == wxT('\\'))
 496       {
 497         *(d - 1) = *++s;
 498         if (*d)
 499         {
 500           s++;
 501           continue;
 502         }
 503         else
 504            break;
 505       }
 506       else
 507 #else
 508     while ((*d++ = *s) != 0) {
 509 #  ifndef __WXMSW__
 510         if (*s == wxT('\\')) {
 511             if ((*(d - 1) = *++s)) {
 512                 s++;
 513                 continue;
 514             } else
 515                 break;
 516         } else
 517 #  endif
 518 #endif
 519 #ifdef __WXMSW__
 520         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 521 #else
 522         if (*s++ == wxT('$'))
 523 #endif
 524         {
 525             register wxChar  *start = d;
 526             register int     braces = (*s == wxT('{') || *s == wxT('('));
 527             register wxChar  *value;
 528             while ((*d++ = *s) != 0)
 529                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 530                     break;
 531                 else
 532                     s++;
 533             *--d = 0;
 534             value = wxGetenv(braces ? start + 1 : start);
 535             if (value) {
 536                 for ((d = start - 1); (*d++ = *value++) != 0;);
 537                 d--;
 538                 if (braces && *s)
 539                     s++;
 540             }
 541         }
 542     }
 543
 544     /* Expand ~ and ~user */
 545     nm = lnm;
 546     s = wxT("");
 547     if (nm[0] == wxT('~') && !q)
 548     {
 549         /* prefix ~ */
 550         if (nm[1] == SEP || nm[1] == 0)
 551         {        /* ~/filename */
 552         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 553             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 554                 if (*++nm)
 555                     nm++;
 556             }
 557         } else
 558         {                /* ~user/filename */
 559             register wxChar  *nnm;
 560             register wxChar  *home;
 561             for (s = nm; *s && *s != SEP; s++);
 562             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 563             was_sep = (*s == SEP);
 564             nnm = *s ? s + 1 : s;
 565             *s = 0;
 566         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 567             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 568                if (was_sep) /* replace only if it was there: */
 569                    *s = SEP;
 570                 s = wxT("");
 571             } else {
 572                 nm = nnm;
 573                 s = home;
 574             }
 575         }
 576     }
 577
 578     d = buf;
 579     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 580         /* Copy home dir */
 581         while (wxT('\0') != (*d++ = *s++))
 582           /* loop */;
 583         // Handle root home
 584         if (d - 1 > buf && *(d - 2) != SEP)
 585           *(d - 1) = SEP;
 586     }
 587     s = nm;
 588     while ((*d++ = *s++) != 0);
 589     delete[] nm_tmp; // clean up alloc
 590     /* Now clean up the buffer */
 591     return wxRealPath(buf);
 592 }
 593
 594 /* Contract Paths to be build upon an environment variable
 595    component:
 596
 597    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 598
 599    The call wxExpandPath can convert these back!
 600  */
 601 wxChar *
 602 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 603 {
 604   static wxChar dest[_MAXPATHLEN];
 605
 606   if (filename == wxT(""))
 607     return (wxChar *) NULL;
 608
 609   wxStrcpy (dest, WXSTRINGCAST filename);
 610 #ifdef __WXMSW__
 611   Unix2DosFilename(dest);
 612 #endif
 613
 614   // Handle environment
 615   const wxChar *val = (const wxChar *) NULL;
 616   wxChar *tcp = (wxChar *) NULL;
 617   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 618      (tcp = wxStrstr (dest, val)) != NULL)
 619     {
 620         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 621         *tcp++ = wxT('$');
 622         *tcp++ = wxT('{');
 623         wxStrcpy (tcp, WXSTRINGCAST envname);
 624         wxStrcat (tcp, wxT("}"));
 625         wxStrcat (tcp, wxFileFunctionsBuffer);
 626     }
 627
 628   // Handle User's home (ignore root homes!)
 629   size_t len = 0;
 630   if ((val = wxGetUserHome (user)) != NULL &&
 631       (len = wxStrlen(val)) > 2 &&
 632       wxStrncmp(dest, val, len) == 0)
 633     {
 634       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 635       if (user != wxT(""))
 636              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 637 #ifdef __WXMSW__
 638 //      strcat(wxFileFunctionsBuffer, "\\");
 639 #else
 640 //      strcat(wxFileFunctionsBuffer, "/");
 641 #endif
 642       wxStrcat(wxFileFunctionsBuffer, dest + len);
 643       wxStrcpy (dest, wxFileFunctionsBuffer);
 644     }
 645
 646   return dest;
 647 }
 648
 649 // Return just the filename, not the path
 650 // (basename)
 651 wxChar *wxFileNameFromPath (wxChar *path)
 652 {
 653   if (path)
 654     {
 655       register wxChar *tcp;
 656
 657       tcp = path + wxStrlen (path);
 658       while (--tcp >= path)
 659         {
 660 #ifdef __WXMAC__
 661           if (*tcp == wxT(':') )
 662 #else
 663           if (*tcp == wxT('/') || *tcp == wxT('\\')
 664 #ifdef __VMS__
 665      || *tcp == wxT(':') || *tcp == wxT(']'))
 666 #else
 667      )
 668 #endif
 669 #endif
 670             return tcp + 1;
 671         }                        /* while */
 672 #if defined(__WXMSW__) || defined(__WXPM__)
 673       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 674         return path + 2;
 675 #endif
 676     }
 677   return path;
 678 }
 679
 680 wxString wxFileNameFromPath (const wxString& path1)
 681 {
 682   if (path1 != wxT(""))
 683   {
 684
 685       wxChar *path = WXSTRINGCAST path1 ;
 686       register wxChar *tcp;
 687
 688       tcp = path + wxStrlen (path);
 689       while (--tcp >= path)
 690           {
 691 #ifdef __WXMAC__
 692            if (*tcp == wxT(':') )
 693 #else
 694             if (*tcp == wxT('/') || *tcp == wxT('\\')
 695 #ifdef __VMS__
 696         || *tcp == wxT(':') || *tcp == wxT(']'))
 697 #else
 698         )
 699 #endif
 700 #endif
 701                 return wxString(tcp + 1);
 702             }                        /* while */
 703 #if defined(__WXMSW__) || defined(__WXPM__)
 704       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 705             return wxString(path + 2);
 706 #endif
 707     }
 708   // Yes, this should return the path, not an empty string, otherwise
 709   // we get "thing.txt" -> "".
 710   return path1;
 711 }
 712
 713 // Return just the directory, or NULL if no directory
 714 wxChar *
 715 wxPathOnly (wxChar *path)
 716 {
 717   if (path && *path)
 718     {
 719       static wxChar buf[_MAXPATHLEN];
 720
 721       // Local copy
 722       wxStrcpy (buf, path);
 723
 724       int l = wxStrlen(path);
 725       bool done = FALSE;
 726
 727       int i = l - 1;
 728
 729       // Search backward for a backward or forward slash
 730       while (!done && i > -1)
 731       {
 732         // ] is for VMS
 733 #ifdef __WXMAC__
 734         if (path[i] == wxT(':') )
 735 #else
 736         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 737 #endif
 738         {
 739           done = TRUE;
 740 #ifdef __VMS__
 741            if ( path[i] == wxT(']') )
 742              buf[i+1] = 0;
 743            else
 744 #endif
 745           buf[i] = 0;
 746
 747           return buf;
 748         }
 749         else i --;
 750       }
 751
 752 #if defined(__WXMSW__) || defined(__WXPM__)
 753       // Try Drive specifier
 754       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 755         {
 756           // A:junk --> A:. (since A:.\junk Not A:\junk)
 757           buf[2] = wxT('.');
 758           buf[3] = wxT('\0');
 759           return buf;
 760         }
 761 #endif
 762     }
 763
 764   return (wxChar *) NULL;
 765 }
 766
 767 // Return just the directory, or NULL if no directory
 768 wxString wxPathOnly (const wxString& path)
 769 {
 770   if (path != wxT(""))
 771     {
 772       wxChar buf[_MAXPATHLEN];
 773
 774       // Local copy
 775       wxStrcpy (buf, WXSTRINGCAST path);
 776
 777       int l = path.Length();
 778       bool done = FALSE;
 779
 780       int i = l - 1;
 781
 782       // Search backward for a backward or forward slash
 783       while (!done && i > -1)
 784       {
 785         // ] is for VMS
 786 #ifdef __WXMAC__
 787         if (path[i] == wxT(':') )
 788 #else
 789         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 790 #endif
 791         {
 792           done = TRUE;
 793 #ifdef __VMS__
 794            if ( path[i] == wxT(']') )
 795              buf[i+1] = 0;
 796            else
 797 #endif
 798           buf[i] = 0;
 799
 800           return wxString(buf);
 801         }
 802         else i --;
 803       }
 804
 805 #if defined(__WXMSW__) || defined(__WXPM__)
 806       // Try Drive specifier
 807       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 808         {
 809           // A:junk --> A:. (since A:.\junk Not A:\junk)
 810           buf[2] = wxT('.');
 811           buf[3] = wxT('\0');
 812           return wxString(buf);
 813         }
 814 #endif
 815     }
 816
 817   return wxString(wxT(""));
 818 }
 819
 820 // Utility for converting delimiters in DOS filenames to UNIX style
 821 // and back again - or we get nasty problems with delimiters.
 822 // Also, convert to lower case, since case is significant in UNIX.
 823
 824 #if defined(__WXMAC__) && !defined(__UNIX__)
 825 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 826 {
 827     Handle    myPath ;
 828     short     length ;
 829
 830     FSpGetFullPath( spec , &length , &myPath ) ;
 831     ::SetHandleSize( myPath , length + 1 ) ;
 832     ::HLock( myPath ) ;
 833     (*myPath)[length] = 0 ;
 834     if ( length > 0 && (*myPath)[length-1] ==':' )
 835         (*myPath)[length-1] = 0 ;
 836
 837     wxString result(     (char*) *myPath ) ;
 838     ::HUnlock( myPath ) ;
 839     ::DisposeHandle( myPath ) ;
 840     return result ;
 841 }
 842
 843 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 844 {
 845     FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 846 }
 847
 848 /*
 849 static char sMacFileNameConversion[ 1000 ] ;
 850
 851 wxString wxMac2UnixFilename (const char *str)
 852 {
 853     char *s = sMacFileNameConversion ;
 854     strcpy( s , str ) ;
 855   if (s)
 856   {
 857     memmove( s+1 , s ,strlen( s ) + 1) ;
 858     if ( *s == ':' )
 859             *s = '.' ;
 860     else
 861             *s = '/' ;
 862
 863     while (*s)
 864     {
 865             if (*s == ':')
 866               *s = '/';
 867             else
 868               *s = wxTolower (*s);        // Case INDEPENDENT
 869             s++;
 870     }
 871   }
 872   return wxString (sMacFileNameConversion) ;
 873 }
 874
 875 wxString wxUnix2MacFilename (const char *str)
 876 {
 877     char *s = sMacFileNameConversion ;
 878     strcpy( s , str ) ;
 879   if (s)
 880   {
 881     if ( *s == '.' )
 882     {
 883       // relative path , since it goes on with slash which is translated to a :
 884       memmove( s , s+1 ,strlen( s ) ) ;
 885     }
 886     else if ( *s == '/' )
 887     {
 888       // absolute path -> on mac just start with the drive name
 889       memmove( s , s+1 ,strlen( s ) ) ;
 890     }
 891     else
 892     {
 893       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 894     }
 895     while (*s)
 896     {
 897       if (*s == '/' || *s == '\\')
 898       {
 899           // convert any back-directory situations
 900           if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 901           {
 902           *s = ':';
 903                 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 904           }
 905           else
 906           *s = ':';
 907       }
 908
 909       s++ ;
 910     }
 911   }
 912   return wxString (sMacFileNameConversion) ;
 913 }
 914
 915 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 916 {
 917     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 918 }
 919
 920 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 921 {
 922     FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 923 }
 924
 925 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 926 {
 927     wxString var = wxUnix2MacFilename( path ) ;
 928     wxMacFilename2FSSpec( var , spec ) ;
 929 }
 930 */
 931 #endif
 932 void
 933 wxDos2UnixFilename (char *s)
 934 {
 935   if (s)
 936     while (*s)
 937       {
 938         if (*s == '\\')
 939           *s = '/';
 940 #ifdef __WXMSW__
 941         else
 942           *s = wxTolower (*s);        // Case INDEPENDENT
 943 #endif
 944         s++;
 945       }
 946 }
 947
 948 void
 949 #if defined(__WXMSW__) || defined(__WXPM__)
 950 wxUnix2DosFilename (wxChar *s)
 951 #else
 952 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 953 #endif
 954 {
 955 // Yes, I really mean this to happen under DOS only! JACS
 956 #if defined(__WXMSW__) || defined(__WXPM__)
 957   if (s)
 958     while (*s)
 959       {
 960         if (*s == wxT('/'))
 961           *s = wxT('\\');
 962         s++;
 963       }
 964 #endif
 965 }
 966
 967 // Concatenate two files to form third
 968 bool
 969 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 970 {
 971   wxString outfile;
 972   if ( !wxGetTempFileName("cat", outfile) )
 973       return FALSE;
 974
 975   FILE *fp1 = (FILE *) NULL;
 976   FILE *fp2 = (FILE *) NULL;
 977   FILE *fp3 = (FILE *) NULL;
 978   // Open the inputs and outputs
 979   if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
 980       (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
 981       (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
 982     {
 983       if (fp1)
 984         fclose (fp1);
 985       if (fp2)
 986         fclose (fp2);
 987       if (fp3)
 988         fclose (fp3);
 989       return FALSE;
 990     }
 991
 992   int ch;
 993   while ((ch = getc (fp1)) != EOF)
 994     (void) putc (ch, fp3);
 995   fclose (fp1);
 996
 997   while ((ch = getc (fp2)) != EOF)
 998     (void) putc (ch, fp3);
 999   fclose (fp2);
1000
1001   fclose (fp3);
1002   bool result = wxRenameFile(outfile, file3);
1003   return result;
1004 }
1005
1006 // Copy files
1007 bool
1008 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1009 {
1010 #if defined(__WIN32__)
1011     // CopyFile() copies file attributes and modification time too, so use it
1012     // instead of our code if available
1013     //
1014     // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1015     return ::CopyFile(file1, file2, !overwrite) != 0;
1016 #else // !Win32
1017     wxStructStat fbuf;
1018
1019     // get permissions of file1
1020     if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1021     {
1022         // the file probably doesn't exist or we haven't the rights to read
1023         // from it anyhow
1024         wxLogSysError(_("Impossible to get permissions for file '%s'"),
1025                       file1.c_str());
1026         return FALSE;
1027     }
1028
1029     // open file1 for reading
1030     wxFile fileIn(file1, wxFile::read);
1031     if ( !fileIn.IsOpened() )
1032         return FALSE;
1033
1034     // remove file2, if it exists. This is needed for creating
1035     // file2 with the correct permissions in the next step
1036     if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
1037     {
1038         wxLogSysError(_("Impossible to overwrite the file '%s'"),
1039                       file2.c_str());
1040         return FALSE;
1041     }
1042
1043 #ifdef __UNIX__
1044     // reset the umask as we want to create the file with exactly the same
1045     // permissions as the original one
1046     mode_t oldUmask = umask( 0 );
1047 #endif // __UNIX__
1048
1049     // create file2 with the same permissions than file1 and open it for
1050     // writing
1051     wxFile fileOut;
1052     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1053         return FALSE;
1054
1055 #ifdef __UNIX__
1056     /// restore the old umask
1057     umask(oldUmask);
1058 #endif // __UNIX__
1059
1060     // copy contents of file1 to file2
1061     char buf[4096];
1062     size_t count;
1063     for ( ;; )
1064     {
1065         count = fileIn.Read(buf, WXSIZEOF(buf));
1066         if ( fileIn.Error() )
1067             return FALSE;
1068
1069         // end of file?
1070         if ( !count )
1071             break;
1072
1073         if ( fileOut.Write(buf, count) < count )
1074             return FALSE;
1075     }
1076
1077     // we can expect fileIn to be closed successfully, but we should ensure
1078     // that fileOut was closed as some write errors (disk full) might not be
1079     // detected before doing this
1080     if ( !fileIn.Close() || !fileOut.Close() )
1081         return FALSE;
1082
1083 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1084     // no chmod in VA.  Should be some permission API for HPFS386 partitions
1085     // however
1086     if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1087     {
1088         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1089                       file2.c_str());
1090         return FALSE;
1091     }
1092 #endif // OS/2 || Mac
1093
1094     return TRUE;
1095 #endif // __WXMSW__ && __WIN32__
1096 }
1097
1098 bool
1099 wxRenameFile (const wxString& file1, const wxString& file2)
1100 {
1101   // Normal system call
1102   if ( wxRename (file1, file2) == 0 )
1103     return TRUE;
1104
1105   // Try to copy
1106   if (wxCopyFile(file1, file2)) {
1107     wxRemoveFile(file1);
1108     return TRUE;
1109   }
1110   // Give up
1111   return FALSE;
1112 }
1113
1114 bool wxRemoveFile(const wxString& file)
1115 {
1116 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1117   int res = wxRemove(file);
1118 #else
1119   int res = unlink(OS_FILENAME(file));
1120 #endif
1121
1122   return res == 0;
1123 }
1124
1125 bool wxMkdir(const wxString& dir, int perm)
1126 {
1127 #if defined(__WXMAC__) && !defined(__UNIX__)
1128   return (mkdir( dir , 0 ) == 0);
1129 #else // !Mac
1130     const wxChar *dirname = dir.c_str();
1131
1132     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1133     // for the GNU compiler
1134 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1135     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1136 #elif defined(__WXPM__)
1137     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1138 #else  // !MSW and !OS/2 VAC++
1139         (void)perm;
1140     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1141 #endif // !MSW/MSW
1142     {
1143         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1144
1145         return FALSE;
1146     }
1147
1148     return TRUE;
1149 #endif // Mac/!Mac
1150 }
1151
1152 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1153 {
1154 #ifdef __VMS__
1155   return FALSE; //to be changed since rmdir exists in VMS7.x
1156 #elif defined(__WXPM__)
1157   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1158 #else
1159
1160 #ifdef __SALFORDC__
1161   return FALSE; // What to do?
1162 #else
1163   return (wxRmDir(OS_FILENAME(dir)) == 0);
1164 #endif
1165
1166 #endif
1167 }
1168
1169 // does the path exists? (may have or not '/' or '\\' at the end)
1170 bool wxPathExists(const wxChar *pszPathName)
1171 {
1172     wxString strPath(pszPathName);
1173 #ifdef __WINDOWS__
1174     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1175     // so remove all trailing backslashes from the path - but don't do this for
1176     // the pathes "d:\" (which are different from "d:") nor for just "\"
1177     while ( wxEndsWithPathSeparator(strPath) )
1178     {
1179         size_t len = strPath.length();
1180         if ( len == 1 || strPath[len - 1] == _T(':') )
1181             break;
1182
1183         strPath.Truncate(len - 1);
1184     }
1185 #endif // __WINDOWS__
1186
1187     wxStructStat st;
1188 #ifndef __VISAGECPP__
1189     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1190         ((st.st_mode & S_IFMT) == S_IFDIR);
1191 #else
1192     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1193     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1194         (st.st_mode == S_IFDIR);
1195 #endif
1196
1197 }
1198
1199 // Get a temporary filename, opening and closing the file.
1200 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1201 {
1202 #ifdef __WINDOWS__
1203
1204 #ifndef        __WIN32__
1205   wxChar tmp[144];
1206   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1207 #else
1208   wxChar tmp[MAX_PATH];
1209   wxChar tmpPath[MAX_PATH];
1210   ::GetTempPath(MAX_PATH, tmpPath);
1211   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1212 #endif
1213   if (buf) wxStrcpy(buf, tmp);
1214   else buf = copystring(tmp);
1215   return buf;
1216
1217 #else
1218   static short last_temp = 0;        // cache last to speed things a bit
1219   // At most 1000 temp files to a process! We use a ring count.
1220   wxChar tmp[100]; // FIXME static buffer
1221
1222   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1223     {
1224       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1225       if (!wxFileExists( tmp ))
1226         {
1227           // Touch the file to create it (reserve name)
1228           FILE *fd = fopen (wxFNCONV(tmp), "w");
1229           if (fd)
1230             fclose (fd);
1231           last_temp = suffix;
1232           if (buf)
1233             wxStrcpy( buf, tmp);
1234           else
1235             buf = copystring( tmp );
1236           return buf;
1237         }
1238     }
1239   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1240   if (buf) buf[0] = 0;
1241   return (wxChar *) NULL;
1242 #endif
1243 }
1244
1245 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1246 {
1247     wxChar buf2[512];
1248     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1249     {
1250         buf = buf2;
1251         return TRUE;
1252     }
1253     else
1254         return FALSE;
1255 }
1256
1257 // Get first file name matching given wild card.
1258
1259 #ifdef __UNIX__
1260
1261 // Get first file name matching given wild card.
1262 // Flags are reserved for future use.
1263
1264 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1265     static DIR *gs_dirStream = (DIR *) NULL;
1266     static wxString gs_strFileSpec;
1267     static int gs_findFlags = 0;
1268 #endif
1269
1270 wxString wxFindFirstFile(const wxChar *spec, int flags)
1271 {
1272     wxString result;
1273 #ifdef __VMS
1274    wxChar *specvms = NULL;
1275 #endif
1276
1277 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1278     if (gs_dirStream)
1279         closedir(gs_dirStream); // edz 941103: better housekeping
1280
1281     gs_findFlags = flags;
1282
1283     gs_strFileSpec = spec;
1284
1285     // Find path only so we can concatenate
1286     // found file onto path
1287     wxString path(wxPathOnly(gs_strFileSpec));
1288
1289     // special case: path is really "/"
1290     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1291 #ifdef __VMS
1292      {
1293         wxStrcpy( specvms , wxT( "[000000]" ) );
1294         gs_strFileSpec = specvms;
1295         wxString path_vms(wxPathOnly(gs_strFileSpec));
1296         path = path_vms;
1297      }
1298 #else
1299      path = wxT('/');
1300 #endif
1301    // path is empty => Local directory
1302     if ( !path )
1303 #ifdef __VMS
1304      {
1305         wxStrcpy( specvms , wxT( "[]" ) );
1306         gs_strFileSpec = specvms;
1307         wxString path_vms1(wxPathOnly(gs_strFileSpec));
1308         path = path_vms1;
1309      }
1310 #else
1311      path = wxT('.');
1312 #endif
1313
1314     gs_dirStream = opendir(path.fn_str());
1315     if ( !gs_dirStream )
1316     {
1317         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1318                       path.c_str());
1319     }
1320     else
1321     {
1322         result = wxFindNextFile();
1323     }
1324 #endif // !VMS6.x or earlier
1325
1326     return result;
1327 }
1328
1329 wxString wxFindNextFile()
1330 {
1331     wxString result;
1332
1333 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1334     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1335
1336     // Find path only so we can concatenate
1337     // found file onto path
1338     wxString path(wxPathOnly(gs_strFileSpec));
1339     wxString name(wxFileNameFromPath(gs_strFileSpec));
1340
1341     /* MATTHEW: special case: path is really "/" */
1342     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1343         path = wxT('/');
1344
1345     // Do the reading
1346     struct dirent *nextDir;
1347     for ( nextDir = readdir(gs_dirStream);
1348           nextDir != NULL;
1349           nextDir = readdir(gs_dirStream) )
1350     {
1351         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1352         strcmp(nextDir->d_name, ".") &&
1353         strcmp(nextDir->d_name, "..") )
1354         {
1355             result.Empty();
1356             if ( !path.IsEmpty() )
1357             {
1358                 result = path;
1359                 if ( path != wxT('/') )
1360                     result += wxT('/');
1361             }
1362
1363             result += nextDir->d_name;
1364
1365             // Only return "." and ".." when they match
1366             bool isdir;
1367             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1368                  (strcmp(nextDir->d_name, "..") == 0))
1369             {
1370                 if ( (gs_findFlags & wxDIR) != 0 )
1371                     isdir = TRUE;
1372                 else
1373                     continue;
1374             }
1375             else
1376                 isdir = wxDirExists(result);
1377
1378             // and only return directories when flags & wxDIR
1379             if ( !gs_findFlags ||
1380                  ((gs_findFlags & wxDIR) && isdir) ||
1381                  ((gs_findFlags & wxFILE) && !isdir) )
1382             {
1383                 return result;
1384             }
1385         }
1386     }
1387
1388     result.Empty(); // not found
1389
1390     closedir(gs_dirStream);
1391     gs_dirStream = (DIR *) NULL;
1392 #endif // !VMS6.2 or earlier
1393
1394     return result;
1395 }
1396
1397 #elif defined(__WXMAC__)
1398
1399 struct MacDirectoryIterator
1400 {
1401     CInfoPBRec            m_CPB ;
1402     wxInt16                m_index ;
1403     long                m_dirId ;
1404     Str255                m_name ;
1405 } ;
1406
1407 static int g_iter_flags ;
1408
1409 static MacDirectoryIterator g_iter ;
1410
1411 wxString wxFindFirstFile(const wxChar *spec, int flags)
1412 {
1413     wxString result;
1414
1415     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1416
1417     // Find path only so we can concatenate found file onto path
1418     wxString path(wxPathOnly(spec));
1419     if ( !path.IsEmpty() )
1420         result << path << wxT('\\');
1421
1422     FSSpec fsspec ;
1423
1424     wxMacFilename2FSSpec( result , &fsspec ) ;
1425     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1426     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1427     g_iter.m_index = 0 ;
1428
1429     Boolean isDir ;
1430     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1431     if ( !isDir )
1432         return wxEmptyString ;
1433
1434     return wxFindNextFile( ) ;
1435 }
1436
1437 wxString wxFindNextFile()
1438 {
1439     wxString result;
1440
1441     short err = noErr ;
1442
1443     while ( err == noErr )
1444     {
1445         g_iter.m_index++ ;
1446         g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1447         g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1448         err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1449         if ( err != noErr )
1450             break ;
1451
1452         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1453             break ;
1454
1455         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1456             continue ;
1457
1458         // hit !
1459         break ;
1460     }
1461     if ( err != noErr )
1462     {
1463         return wxEmptyString ;
1464     }
1465     FSSpec spec ;
1466
1467     FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1468                                    g_iter.m_dirId,
1469                                    g_iter.m_name,
1470                                    &spec) ;
1471
1472     return wxMacFSSpec2MacFilename( &spec ) ;
1473 }
1474
1475 #elif defined(__WXMSW__)
1476
1477 #ifdef __WIN32__
1478     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1479     static WIN32_FIND_DATA gs_findDataStruct;
1480 #else // Win16
1481     #ifdef __BORLANDC__
1482         static struct ffblk gs_findDataStruct;
1483     #else
1484         static struct _find_t gs_findDataStruct;
1485     #endif // Borland
1486 #endif // Win32/16
1487
1488 static wxString gs_strFileSpec;
1489 static int gs_findFlags = 0;
1490
1491 wxString wxFindFirstFile(const wxChar *spec, int flags)
1492 {
1493     wxString result;
1494
1495     gs_strFileSpec = spec;
1496     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1497
1498     // Find path only so we can concatenate found file onto path
1499     wxString path(wxPathOnly(gs_strFileSpec));
1500     if ( !path.IsEmpty() )
1501         result << path << wxT('\\');
1502
1503 #ifdef __WIN32__
1504     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1505         FindClose(gs_hFileStruct);
1506
1507     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1508
1509     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1510     {
1511         result.Empty();
1512
1513         return result;
1514     }
1515
1516     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1517
1518     if (isdir && !(flags & wxDIR))
1519         return wxFindNextFile();
1520     else if (!isdir && flags && !(flags & wxFILE))
1521         return wxFindNextFile();
1522
1523     result += gs_findDataStruct.cFileName;
1524
1525     return result;
1526 #else // !Win32
1527     int flag = _A_NORMAL;
1528     if (flags & wxDIR)
1529         flag = _A_SUBDIR;
1530
1531 #ifdef __BORLANDC__
1532     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1533 #else
1534         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1535 #endif
1536         {
1537             char attrib;
1538
1539 #ifdef __BORLANDC__
1540             attrib = gs_findDataStruct.ff_attrib;
1541 #else
1542             attrib = gs_findDataStruct.attrib;
1543 #endif
1544
1545             if (attrib & _A_SUBDIR) {
1546                 if (!(gs_findFlags & wxDIR))
1547                     return wxFindNextFile();
1548             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1549                 return wxFindNextFile();
1550
1551             result +=
1552 #ifdef __BORLANDC__
1553                     gs_findDataStruct.ff_name
1554 #else
1555                     gs_findDataStruct.name
1556 #endif
1557                     ;
1558         }
1559
1560     return result;
1561 #endif // __WIN32__
1562 }
1563
1564
1565 wxString wxFindNextFile()
1566 {
1567     wxString result;
1568
1569     // Find path only so we can concatenate found file onto path
1570     wxString path(wxPathOnly(gs_strFileSpec));
1571
1572 try_again:
1573
1574 #ifdef __WIN32__
1575     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1576         return result;
1577
1578     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1579     if (!success)
1580     {
1581         FindClose(gs_hFileStruct);
1582         gs_hFileStruct = INVALID_HANDLE_VALUE;
1583     }
1584     else
1585     {
1586         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1587
1588         if (isdir && !(gs_findFlags & wxDIR))
1589             goto try_again;
1590         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1591             goto try_again;
1592
1593         if ( !path.IsEmpty() )
1594             result << path << wxT('\\');
1595         result << gs_findDataStruct.cFileName;
1596     }
1597
1598     return result;
1599 #else // Win16
1600
1601 #ifdef __BORLANDC__
1602     if (findnext(&gs_findDataStruct) == 0)
1603 #else
1604         if (_dos_findnext(&gs_findDataStruct) == 0)
1605 #endif
1606         {
1607             /* MATTHEW: [5] Check directory flag */
1608             char attrib;
1609
1610 #ifdef __BORLANDC__
1611             attrib = gs_findDataStruct.ff_attrib;
1612 #else
1613             attrib = gs_findDataStruct.attrib;
1614 #endif
1615
1616             if (attrib & _A_SUBDIR) {
1617                 if (!(gs_findFlags & wxDIR))
1618                     goto try_again;
1619             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1620                 goto try_again;
1621
1622
1623             result +=
1624 #ifdef __BORLANDC__
1625                       gs_findDataStruct.ff_name
1626 #else
1627                       gs_findDataStruct.name
1628 #endif
1629                       ;
1630         }
1631
1632     return result;
1633 #endif // Win32/16
1634 }
1635
1636 #elif defined(__WXPM__)
1637
1638 wxString wxFindFirstFile(const wxChar *spec, int flags)
1639 {
1640     wxString result;
1641
1642     /*
1643     // TODO: figure something out here for OS/2
1644     gs_strFileSpec = spec;
1645     gs_findFlags = flags;
1646
1647     // Find path only so we can concatenate found file onto path
1648     wxString path(wxPathOnly(gs_strFileSpec));
1649     if ( !path.IsEmpty() )
1650         result << path << wxT('\\');
1651
1652     int flag = _A_NORMAL;
1653     if (flags & wxDIR)
1654         flag = _A_SUBDIR;
1655
1656     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1657     {
1658         char attrib;
1659         attrib = gs_findDataStruct.attrib;
1660
1661         if (attrib & _A_SUBDIR) {
1662             if (!(gs_findFlags & wxDIR))
1663                 return wxFindNextFile();
1664         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1665             return wxFindNextFile();
1666
1667         result += gs_findDataStruct.name;
1668     }
1669     */
1670     return result;
1671 }
1672
1673 wxString wxFindNextFile()
1674 {
1675     wxString result;
1676     // TODO:
1677     return result;
1678 }
1679
1680 #endif // Unix/Windows/OS/2
1681
1682 // Get current working directory.
1683 // If buf is NULL, allocates space using new, else
1684 // copies into buf.
1685 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1686 {
1687   if (!buf)
1688     buf = new wxChar[sz+1];
1689 #if wxUSE_UNICODE
1690   char *cbuf = new char[sz+1];
1691 #ifdef _MSC_VER
1692   if (_getcwd(cbuf, sz) == NULL) {
1693 #elif defined(__WXMAC__) && !defined(__UNIX__)
1694     enum
1695     {
1696         SFSaveDisk = 0x214, CurDirStore = 0x398
1697     };
1698     FSSpec cwdSpec ;
1699
1700     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1701     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1702     strcpy( buf , res ) ;
1703     if (0) {
1704 #else
1705   if (getcwd(cbuf, sz) == NULL) {
1706 #endif
1707     delete [] cbuf;
1708 #else // wxUnicode
1709 #ifdef _MSC_VER
1710   if (_getcwd(buf, sz) == NULL) {
1711 #elif defined(__WXMAC__) && !defined(__UNIX__)
1712         FSSpec cwdSpec ;
1713         FCBPBRec pb;
1714         OSErr error;
1715         Str255  fileName ;
1716         pb.ioNamePtr = (StringPtr) &fileName;
1717         pb.ioVRefNum = 0;
1718         pb.ioRefNum = LMGetCurApRefNum();
1719         pb.ioFCBIndx = 0;
1720         error = PBGetFCBInfoSync(&pb);
1721         if ( error == noErr )
1722         {
1723                 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1724                 cwdSpec.parID = pb.ioFCBParID;
1725                 cwdSpec.name[0] = 0 ;
1726                 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1727
1728                 strcpy( buf , res ) ;
1729                 buf[res.length()-1]=0 ;
1730         }
1731         else
1732                 buf[0] = 0 ;
1733         /*
1734         this version will not always give back the application directory on mac
1735         enum
1736         {
1737                 SFSaveDisk = 0x214, CurDirStore = 0x398
1738         };
1739         FSSpec cwdSpec ;
1740
1741         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1742         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1743         strcpy( buf , res ) ;
1744         */
1745         if (0) {
1746 #elif(__VISAGECPP__)
1747     APIRET rc;
1748     rc = ::DosQueryCurrentDir( 0 // current drive
1749                               ,buf
1750                               ,(PULONG)&sz
1751                              );
1752     if (rc != 0) {
1753 #else
1754   if (getcwd(buf, sz) == NULL) {
1755 #endif
1756 #endif
1757     buf[0] = wxT('.');
1758     buf[1] = wxT('\0');
1759   }
1760 #if wxUSE_UNICODE
1761   else {
1762     wxConvFile.MB2WC(buf, cbuf, sz);
1763     delete [] cbuf;
1764   }
1765 #endif
1766   return buf;
1767 }
1768
1769 wxString wxGetCwd()
1770 {
1771     static const size_t maxPathLen = 1024;
1772
1773     wxString str;
1774     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1775     str.UngetWriteBuf();
1776
1777     return str;
1778 }
1779
1780 bool wxSetWorkingDirectory(const wxString& d)
1781 {
1782 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1783   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1784 #elif defined(__WXPM__)
1785   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1786 #elif defined(__WINDOWS__)
1787
1788 #ifdef __WIN32__
1789   return (bool)(SetCurrentDirectory(d) != 0);
1790 #else
1791   // Must change drive, too.
1792   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1793   if (isDriveSpec)
1794   {
1795     wxChar firstChar = d[0];
1796
1797     // To upper case
1798     if (firstChar > 90)
1799       firstChar = firstChar - 32;
1800
1801     // To a drive number
1802     unsigned int driveNo = firstChar - 64;
1803     if (driveNo > 0)
1804     {
1805        unsigned int noDrives;
1806        _dos_setdrive(driveNo, &noDrives);
1807     }
1808   }
1809   bool success = (chdir(WXSTRINGCAST d) == 0);
1810
1811   return success;
1812 #endif
1813
1814 #endif
1815 }
1816
1817 // Get the OS directory if appropriate (such as the Windows directory).
1818 // On non-Windows platform, probably just return the empty string.
1819 wxString wxGetOSDirectory()
1820 {
1821 #ifdef __WINDOWS__
1822     wxChar buf[256];
1823     GetWindowsDirectory(buf, 256);
1824     return wxString(buf);
1825 #else
1826     return wxEmptyString;
1827 #endif
1828 }
1829
1830 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1831 {
1832   size_t len = wxStrlen(pszFileName);
1833   if ( len == 0 )
1834     return FALSE;
1835   else
1836     return wxIsPathSeparator(pszFileName[len - 1]);
1837 }
1838
1839 // find a file in a list of directories, returns false if not found
1840 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1841 {
1842     // we assume that it's not empty
1843     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1844                  _T("empty file name in wxFindFileInPath"));
1845
1846     // skip path separator in the beginning of the file name if present
1847     if ( wxIsPathSeparator(*pszFile) )
1848         pszFile++;
1849
1850     // copy the path (strtok will modify it)
1851     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1852     wxStrcpy(szPath, pszPath);
1853
1854     wxString strFile;
1855     wxChar *pc, *save_ptr;
1856     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1857           pc != NULL;
1858           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1859     {
1860         // search for the file in this directory
1861         strFile = pc;
1862         if ( !wxEndsWithPathSeparator(pc) )
1863             strFile += wxFILE_SEP_PATH;
1864         strFile += pszFile;
1865
1866         if ( FileExists(strFile) ) {
1867             *pStr = strFile;
1868             break;
1869         }
1870     }
1871
1872     // suppress warning about unused variable save_ptr when wxStrtok() is a
1873     // macro which throws away its third argument
1874     save_ptr = pc;
1875
1876     delete [] szPath;
1877
1878     return pc != NULL;  // if true => we breaked from the loop
1879 }
1880
1881 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1882                              wxString *pstrPath,
1883                              wxString *pstrName,
1884                              wxString *pstrExt)
1885 {
1886     // it can be empty, but it shouldn't be NULL
1887     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1888
1889     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1890 }
1891
1892 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1893 {
1894     wxStructStat buf;
1895
1896     wxStat(filename.fn_str(), &buf);
1897     return buf.st_mtime;
1898 }
1899
1900
1901 //------------------------------------------------------------------------
1902 // wild character routines
1903 //------------------------------------------------------------------------
1904
1905 bool wxIsWild( const wxString& pattern )
1906 {
1907   wxString tmp = pattern;
1908   wxChar *pat = WXSTRINGCAST(tmp);
1909     while (*pat) {
1910         switch (*pat++) {
1911         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1912             return TRUE;
1913         case wxT('\\'):
1914             if (!*pat++)
1915                 return FALSE;
1916         }
1917     }
1918     return FALSE;
1919 };
1920
1921 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1922
1923 #if defined(HAVE_FNMATCH_H)
1924 {
1925 // this probably won't work well for multibyte chars in Unicode mode?
1926    if(dot_special)
1927       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1928    else
1929       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1930 }
1931 #else
1932
1933 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1934
1935    /*
1936     * WARNING: this code is broken!
1937     */
1938 {
1939   wxString tmp1 = pat;
1940   wxChar *pattern = WXSTRINGCAST(tmp1);
1941   wxString tmp2 = text;
1942   wxChar *str = WXSTRINGCAST(tmp2);
1943     wxChar c;
1944     wxChar *cp;
1945     bool done = FALSE, ret_code, ok;
1946     // Below is for vi fans
1947     const wxChar OB = wxT('{'), CB = wxT('}');
1948
1949     // dot_special means '.' only matches '.'
1950     if (dot_special && *str == wxT('.') && *pattern != *str)
1951         return FALSE;
1952
1953     while ((*pattern != wxT('\0')) && (!done)
1954     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1955         switch (*pattern) {
1956         case wxT('\\'):
1957             pattern++;
1958             if (*pattern != wxT('\0'))
1959                 pattern++;
1960             break;
1961         case wxT('*'):
1962             pattern++;
1963             ret_code = FALSE;
1964             while ((*str!=wxT('\0'))
1965             && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1966                 /*loop*/;
1967             if (ret_code) {
1968                 while (*str != wxT('\0'))
1969                     str++;
1970                 while (*pattern != wxT('\0'))
1971                     pattern++;
1972             }
1973             break;
1974         case wxT('['):
1975             pattern++;
1976           repeat:
1977             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1978                 done = TRUE;
1979                 break;
1980             }
1981             if (*pattern == wxT('\\')) {
1982                 pattern++;
1983                 if (*pattern == wxT('\0')) {
1984                     done = TRUE;
1985                     break;
1986                 }
1987             }
1988             if (*(pattern + 1) == wxT('-')) {
1989                 c = *pattern;
1990                 pattern += 2;
1991                 if (*pattern == wxT(']')) {
1992                     done = TRUE;
1993                     break;
1994                 }
1995                 if (*pattern == wxT('\\')) {
1996                     pattern++;
1997                     if (*pattern == wxT('\0')) {
1998                         done = TRUE;
1999                         break;
2000                     }
2001                 }
2002                 if ((*str < c) || (*str > *pattern)) {
2003                     pattern++;
2004                     goto repeat;
2005                 }
2006             } else if (*pattern != *str) {
2007                 pattern++;
2008                 goto repeat;
2009             }
2010             pattern++;
2011             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
2012                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
2013                     pattern++;
2014                 pattern++;
2015             }
2016             if (*pattern != wxT('\0')) {
2017                 pattern++, str++;
2018             }
2019             break;
2020         case wxT('?'):
2021             pattern++;
2022             str++;
2023             break;
2024         case OB:
2025             pattern++;
2026             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2027                 cp = str;
2028                 ok = TRUE;
2029                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2030                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
2031                     if (*pattern == wxT('\\'))
2032                         pattern++;
2033                     ok = (*pattern++ == *cp++);
2034                 }
2035                 if (*pattern == wxT('\0')) {
2036                     ok = FALSE;
2037                     done = TRUE;
2038                     break;
2039                 } else if (ok) {
2040                     str = cp;
2041                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2042                         if (*++pattern == wxT('\\')) {
2043                             if (*++pattern == CB)
2044                                 pattern++;
2045                         }
2046                     }
2047                 } else {
2048                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2049                         if (*++pattern == wxT('\\')) {
2050                             if (*++pattern == CB || *pattern == wxT(','))
2051                                 pattern++;
2052                         }
2053                     }
2054                 }
2055                 if (*pattern != wxT('\0'))
2056                     pattern++;
2057             }
2058             break;
2059         default:
2060             if (*str == *pattern) {
2061                 str++, pattern++;
2062             } else {
2063                 done = TRUE;
2064             }
2065         }
2066     }
2067     while (*pattern == wxT('*'))
2068         pattern++;
2069     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2070 };
2071
2072 #endif
2073
2074 #ifdef __VISUALC__
2075     #pragma warning(default:4706)   // assignment within conditional expression
2076 #endif // VC++