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     #include <wchar.h>
  82     #ifndef __TWIN32__
  83         #include <sys/unistd.h>
  84     #endif
  85 #endif
  86
  87 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  88                     // this (3.1 I believe) and how to test for it.
  89                     // If this works for Borland 4.0 as well, then no worries.
  90     #include <dir.h>
  91 #endif
  92
  93 #ifdef __SALFORDC__
  94     #include <dir.h>
  95     #include <unix.h>
  96 #endif
  97
  98 #include "wx/setup.h"
  99 #include "wx/log.h"
 100
 101 // No, Cygwin doesn't appear to have fnmatch.h after all.
 102 #if defined(HAVE_FNMATCH_H)
 103     #include "fnmatch.h"
 104 #endif
 105
 106 #ifdef __WINDOWS__
 107     #include <windows.h>
 108 #endif
 109
 110 // ----------------------------------------------------------------------------
 111 // constants
 112 // ----------------------------------------------------------------------------
 113
 114 #define _MAXPATHLEN 500
 115
 116 extern wxChar *wxBuffer;
 117
 118 #ifdef __WXMAC__
 119 #    include "MoreFiles.h"
 120 #    include "MoreFilesExtras.h"
 121 #    include "FullPath.h"
 122 #    include "FSpCompat.h"
 123 #endif
 124
 125 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 126
 127 // ----------------------------------------------------------------------------
 128 // private globals
 129 // ----------------------------------------------------------------------------
 130
 131 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 132
 133 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 134 //
 135 // VisualAge C++ V4.0 cannot have any external linkage const decs
 136 // in headers included by more than one primary source
 137 //
 138 const off_t wxInvalidOffset = (off_t)-1;
 139 #endif
 140
 141 // ----------------------------------------------------------------------------
 142 // macros
 143 // ----------------------------------------------------------------------------
 144
 145 // we need to translate Mac filenames before passing them to OS functions
 146 #if defined(__WXMAC__) && defined(__DARWIN__)
 147     #define OS_FILENAME(s) wxMac2UnixFilename(s.fn_str())
 148 #else
 149     #define OS_FILENAME(s) (s.fn_str())
 150 #endif
 151
 152 // ============================================================================
 153 // implementation
 154 // ============================================================================
 155
 156 void wxPathList::Add (const wxString& path)
 157 {
 158     wxStringList::Add (WXSTRINGCAST path);
 159 }
 160
 161 // Add paths e.g. from the PATH environment variable
 162 void wxPathList::AddEnvList (const wxString& envVariable)
 163 {
 164   static const wxChar PATH_TOKS[] =
 165 #ifdef __WINDOWS__
 166         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 167 #else
 168         wxT(" :;");
 169 #endif
 170
 171   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 172   if (val && *val)
 173     {
 174       wxChar *s = copystring (val);
 175       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 176
 177       if (token)
 178       {
 179           Add (copystring (token));
 180           while (token)
 181           {
 182               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 183                   Add (wxString(token));
 184           }
 185       }
 186
 187       // suppress warning about unused variable save_ptr when wxStrtok() is a
 188       // macro which throws away its third argument
 189       save_ptr = token;
 190
 191       delete [] s;
 192     }
 193 }
 194
 195 // Given a full filename (with path), ensure that that file can
 196 // be accessed again USING FILENAME ONLY by adding the path
 197 // to the list if not already there.
 198 void wxPathList::EnsureFileAccessible (const wxString& path)
 199 {
 200     wxString path_only(wxPathOnly(path));
 201     if ( !path_only.IsEmpty() )
 202     {
 203         if ( !Member(path_only) )
 204             Add(path_only);
 205     }
 206 }
 207
 208 bool wxPathList::Member (const wxString& path)
 209 {
 210   for (wxNode * node = First (); node != NULL; node = node->Next ())
 211   {
 212       wxString path2((wxChar *) node->Data ());
 213       if (
 214 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 215       // Case INDEPENDENT
 216           path.CompareTo (path2, wxString::ignoreCase) == 0
 217 #else
 218       // Case sensitive File System
 219           path.CompareTo (path2) == 0
 220 #endif
 221         )
 222         return TRUE;
 223   }
 224   return FALSE;
 225 }
 226
 227 wxString wxPathList::FindValidPath (const wxString& file)
 228 {
 229   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 230     return wxString(wxFileFunctionsBuffer);
 231
 232   wxChar buf[_MAXPATHLEN];
 233   wxStrcpy(buf, wxFileFunctionsBuffer);
 234
 235   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 236   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 237
 238   for (wxNode * node = First (); node; node = node->Next ())
 239     {
 240       wxChar *path = (wxChar *) node->Data ();
 241       wxStrcpy (wxFileFunctionsBuffer, path);
 242       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 243       if (ch != wxT('\\') && ch != wxT('/'))
 244         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 245       wxStrcat (wxFileFunctionsBuffer, filename);
 246 #ifdef __WINDOWS__
 247       Unix2DosFilename (wxFileFunctionsBuffer);
 248 #endif
 249       if (wxFileExists (wxFileFunctionsBuffer))
 250       {
 251         return wxString(wxFileFunctionsBuffer);        // Found!
 252       }
 253     }                                // for()
 254
 255   return wxString(wxT(""));                    // Not found
 256 }
 257
 258 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 259 {
 260     wxString f = FindValidPath(file);
 261     if ( wxIsAbsolutePath(f) )
 262         return f;
 263
 264     wxString buf;
 265     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 266     buf.UngetWriteBuf();
 267     if ( !wxEndsWithPathSeparator(buf) )
 268     {
 269         buf += wxFILE_SEP_PATH;
 270     }
 271     buf += f;
 272
 273     return buf;
 274 }
 275
 276 bool
 277 wxFileExists (const wxString& filename)
 278 {
 279 #ifdef __WINDOWS__
 280     // GetFileAttributes can copy with network paths
 281     DWORD ret = GetFileAttributes(filename);
 282     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
 283     return ((ret != 0xffffffff) && (isDir == 0));
 284 #else
 285     wxStructStat stbuf;
 286     if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
 287         return TRUE;
 288
 289     return FALSE;
 290 #endif
 291 }
 292
 293 bool
 294 wxIsAbsolutePath (const wxString& filename)
 295 {
 296 #ifdef __WXMAC__
 297     if (filename != wxT(""))
 298     {
 299         // This seems wrong to me, but there is no fix. since
 300         // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
 301         // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
 302
 303         if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
 304             return TRUE ;
 305     }
 306     return FALSE ;
 307 #else
 308   if (filename != wxT(""))
 309     {
 310       if (filename[0] == wxT('/')
 311 #ifdef __VMS__
 312       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 313 #endif
 314 #ifdef __WINDOWS__
 315       /* MSDOS */
 316       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 317 #endif
 318         )
 319         return TRUE;
 320     }
 321   return FALSE;
 322 #endif
 323 }
 324
 325 /*
 326  * Strip off any extension (dot something) from end of file,
 327  * IF one exists. Inserts zero into buffer.
 328  *
 329  */
 330
 331 void wxStripExtension(wxChar *buffer)
 332 {
 333   int len = wxStrlen(buffer);
 334   int i = len-1;
 335   while (i > 0)
 336   {
 337     if (buffer[i] == wxT('.'))
 338     {
 339       buffer[i] = 0;
 340       break;
 341     }
 342     i --;
 343   }
 344 }
 345
 346 void wxStripExtension(wxString& buffer)
 347 {
 348   size_t len = buffer.Length();
 349   size_t i = len-1;
 350   while (i > 0)
 351   {
 352     if (buffer.GetChar(i) == wxT('.'))
 353     {
 354       buffer = buffer.Left(i);
 355       break;
 356     }
 357     i --;
 358   }
 359 }
 360
 361 // Destructive removal of /./ and /../ stuff
 362 wxChar *wxRealPath (wxChar *path)
 363 {
 364 #ifdef __WXMSW__
 365   static const wxChar SEP = wxT('\\');
 366   Unix2DosFilename(path);
 367 #else
 368   static const wxChar SEP = wxT('/');
 369 #endif
 370   if (path[0] && path[1]) {
 371     /* MATTHEW: special case "/./x" */
 372     wxChar *p;
 373     if (path[2] == SEP && path[1] == wxT('.'))
 374       p = &path[0];
 375     else
 376       p = &path[2];
 377     for (; *p; p++)
 378       {
 379         if (*p == SEP)
 380           {
 381             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 382               {
 383                 wxChar *q;
 384                 for (q = p - 1; q >= path && *q != SEP; q--);
 385                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 386                     && (q - 1 <= path || q[-1] != SEP))
 387                   {
 388                     wxStrcpy (q, p + 3);
 389                     if (path[0] == wxT('\0'))
 390                       {
 391                         path[0] = SEP;
 392                         path[1] = wxT('\0');
 393                       }
 394 #ifdef __WXMSW__
 395                     /* Check that path[2] is NULL! */
 396                     else if (path[1] == wxT(':') && !path[2])
 397                       {
 398                         path[2] = SEP;
 399                         path[3] = wxT('\0');
 400                       }
 401 #endif
 402                     p = q - 1;
 403                   }
 404               }
 405             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 406               wxStrcpy (p, p + 2);
 407           }
 408       }
 409   }
 410   return path;
 411 }
 412
 413 // Must be destroyed
 414 wxChar *wxCopyAbsolutePath(const wxString& filename)
 415 {
 416   if (filename == wxT(""))
 417     return (wxChar *) NULL;
 418
 419   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 420     wxChar  buf[_MAXPATHLEN];
 421     buf[0] = wxT('\0');
 422     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 423     wxChar ch = buf[wxStrlen(buf) - 1];
 424 #ifdef __WXMSW__
 425     if (ch != wxT('\\') && ch != wxT('/'))
 426         wxStrcat(buf, wxT("\\"));
 427 #else
 428     if (ch != wxT('/'))
 429         wxStrcat(buf, wxT("/"));
 430 #endif
 431     wxStrcat(buf, wxFileFunctionsBuffer);
 432     return copystring( wxRealPath(buf) );
 433   }
 434   return copystring( wxFileFunctionsBuffer );
 435 }
 436
 437 /*-
 438  Handles:
 439    ~/ => home dir
 440    ~user/ => user's home dir
 441    If the environment variable a = "foo" and b = "bar" then:
 442    Unix:
 443         $a        =>        foo
 444         $a$b        =>        foobar
 445         $a.c        =>        foo.c
 446         xxx$a        =>        xxxfoo
 447         ${a}!        =>        foo!
 448         $(b)!        =>        bar!
 449         \$a        =>        \$a
 450    MSDOS:
 451         $a        ==>        $a
 452         $(a)        ==>        foo
 453         $(a)$b        ==>        foo$b
 454         $(a)$(b)==>        foobar
 455         test.$$        ==>        test.$$
 456  */
 457
 458 /* input name in name, pathname output to buf. */
 459
 460 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 461 {
 462     register wxChar *d, *s, *nm;
 463     wxChar          lnm[_MAXPATHLEN];
 464     int             q;
 465
 466     // Some compilers don't like this line.
 467 //    const wxChar    trimchars[] = wxT("\n \t");
 468
 469     wxChar      trimchars[4];
 470     trimchars[0] = wxT('\n');
 471     trimchars[1] = wxT(' ');
 472     trimchars[2] = wxT('\t');
 473     trimchars[3] = 0;
 474
 475 #ifdef __WXMSW__
 476      const wxChar     SEP = wxT('\\');
 477 #else
 478      const wxChar     SEP = wxT('/');
 479 #endif
 480     buf[0] = wxT('\0');
 481     if (name == NULL || *name == wxT('\0'))
 482         return buf;
 483     nm = copystring(name); // Make a scratch copy
 484     wxChar *nm_tmp = nm;
 485
 486     /* Skip leading whitespace and cr */
 487     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 488         nm++;
 489     /* And strip off trailing whitespace and cr */
 490     s = nm + (q = wxStrlen(nm)) - 1;
 491     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 492         *s = wxT('\0');
 493
 494     s = nm;
 495     d = lnm;
 496 #ifdef __WXMSW__
 497     q = FALSE;
 498 #else
 499     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 500 #endif
 501
 502     /* Expand inline environment variables */
 503 #ifdef __VISAGECPP__
 504     while (*d)
 505     {
 506       *d++ = *s;
 507       if(*s == wxT('\\'))
 508       {
 509         *(d - 1) = *++s;
 510         if (*d)
 511         {
 512           s++;
 513           continue;
 514         }
 515         else
 516            break;
 517       }
 518       else
 519 #else
 520     while ((*d++ = *s) != 0) {
 521 #  ifndef __WXMSW__
 522         if (*s == wxT('\\')) {
 523             if ((*(d - 1) = *++s)) {
 524                 s++;
 525                 continue;
 526             } else
 527                 break;
 528         } else
 529 #  endif
 530 #endif
 531 #ifdef __WXMSW__
 532         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 533 #else
 534         if (*s++ == wxT('$'))
 535 #endif
 536         {
 537             register wxChar  *start = d;
 538             register int     braces = (*s == wxT('{') || *s == wxT('('));
 539             register wxChar  *value;
 540             while ((*d++ = *s) != 0)
 541                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 542                     break;
 543                 else
 544                     s++;
 545             *--d = 0;
 546             value = wxGetenv(braces ? start + 1 : start);
 547             if (value) {
 548                 for ((d = start - 1); (*d++ = *value++) != 0;);
 549                 d--;
 550                 if (braces && *s)
 551                     s++;
 552             }
 553         }
 554     }
 555
 556     /* Expand ~ and ~user */
 557     nm = lnm;
 558     s = wxT("");
 559     if (nm[0] == wxT('~') && !q)
 560     {
 561         /* prefix ~ */
 562         if (nm[1] == SEP || nm[1] == 0)
 563         {        /* ~/filename */
 564         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 565             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 566                 if (*++nm)
 567                     nm++;
 568             }
 569         } else
 570         {                /* ~user/filename */
 571             register wxChar  *nnm;
 572             register wxChar  *home;
 573             for (s = nm; *s && *s != SEP; s++);
 574             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 575             was_sep = (*s == SEP);
 576             nnm = *s ? s + 1 : s;
 577             *s = 0;
 578         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 579             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 580                if (was_sep) /* replace only if it was there: */
 581                    *s = SEP;
 582                 s = wxT("");
 583             } else {
 584                 nm = nnm;
 585                 s = home;
 586             }
 587         }
 588     }
 589
 590     d = buf;
 591     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 592         /* Copy home dir */
 593         while (wxT('\0') != (*d++ = *s++))
 594           /* loop */;
 595         // Handle root home
 596         if (d - 1 > buf && *(d - 2) != SEP)
 597           *(d - 1) = SEP;
 598     }
 599     s = nm;
 600     while ((*d++ = *s++) != 0);
 601     delete[] nm_tmp; // clean up alloc
 602     /* Now clean up the buffer */
 603     return wxRealPath(buf);
 604 }
 605
 606 /* Contract Paths to be build upon an environment variable
 607    component:
 608
 609    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 610
 611    The call wxExpandPath can convert these back!
 612  */
 613 wxChar *
 614 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 615 {
 616   static wxChar dest[_MAXPATHLEN];
 617
 618   if (filename == wxT(""))
 619     return (wxChar *) NULL;
 620
 621   wxStrcpy (dest, WXSTRINGCAST filename);
 622 #ifdef __WXMSW__
 623   Unix2DosFilename(dest);
 624 #endif
 625
 626   // Handle environment
 627   const wxChar *val = (const wxChar *) NULL;
 628   wxChar *tcp = (wxChar *) NULL;
 629   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 630      (tcp = wxStrstr (dest, val)) != NULL)
 631     {
 632         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 633         *tcp++ = wxT('$');
 634         *tcp++ = wxT('{');
 635         wxStrcpy (tcp, WXSTRINGCAST envname);
 636         wxStrcat (tcp, wxT("}"));
 637         wxStrcat (tcp, wxFileFunctionsBuffer);
 638     }
 639
 640   // Handle User's home (ignore root homes!)
 641   size_t len = 0;
 642   if ((val = wxGetUserHome (user)) != NULL &&
 643       (len = wxStrlen(val)) > 2 &&
 644       wxStrncmp(dest, val, len) == 0)
 645     {
 646       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 647       if (user != wxT(""))
 648              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 649 #ifdef __WXMSW__
 650 //      strcat(wxFileFunctionsBuffer, "\\");
 651 #else
 652 //      strcat(wxFileFunctionsBuffer, "/");
 653 #endif
 654       wxStrcat(wxFileFunctionsBuffer, dest + len);
 655       wxStrcpy (dest, wxFileFunctionsBuffer);
 656     }
 657
 658   return dest;
 659 }
 660
 661 // Return just the filename, not the path
 662 // (basename)
 663 wxChar *wxFileNameFromPath (wxChar *path)
 664 {
 665   if (path)
 666     {
 667       register wxChar *tcp;
 668
 669       tcp = path + wxStrlen (path);
 670       while (--tcp >= path)
 671         {
 672 #ifdef __WXMAC__
 673           if (*tcp == wxT(':') )
 674 #else
 675           if (*tcp == wxT('/') || *tcp == wxT('\\')
 676 #ifdef __VMS__
 677      || *tcp == wxT(':') || *tcp == wxT(']'))
 678 #else
 679      )
 680 #endif
 681 #endif
 682             return tcp + 1;
 683         }                        /* while */
 684 #if defined(__WXMSW__) || defined(__WXPM__)
 685       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 686         return path + 2;
 687 #endif
 688     }
 689   return path;
 690 }
 691
 692 wxString wxFileNameFromPath (const wxString& path1)
 693 {
 694   if (path1 != wxT(""))
 695   {
 696
 697       wxChar *path = WXSTRINGCAST path1 ;
 698       register wxChar *tcp;
 699
 700       tcp = path + wxStrlen (path);
 701       while (--tcp >= path)
 702           {
 703 #ifdef __WXMAC__
 704            if (*tcp == wxT(':') )
 705 #else
 706             if (*tcp == wxT('/') || *tcp == wxT('\\')
 707 #ifdef __VMS__
 708         || *tcp == wxT(':') || *tcp == wxT(']'))
 709 #else
 710         )
 711 #endif
 712 #endif
 713                 return wxString(tcp + 1);
 714             }                        /* while */
 715 #if defined(__WXMSW__) || defined(__WXPM__)
 716       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 717             return wxString(path + 2);
 718 #endif
 719     }
 720   // Yes, this should return the path, not an empty string, otherwise
 721   // we get "thing.txt" -> "".
 722   return path1;
 723 }
 724
 725 // Return just the directory, or NULL if no directory
 726 wxChar *
 727 wxPathOnly (wxChar *path)
 728 {
 729   if (path && *path)
 730     {
 731       static wxChar buf[_MAXPATHLEN];
 732
 733       // Local copy
 734       wxStrcpy (buf, path);
 735
 736       int l = wxStrlen(path);
 737       bool done = FALSE;
 738
 739       int i = l - 1;
 740
 741       // Search backward for a backward or forward slash
 742       while (!done && i > -1)
 743       {
 744         // ] is for VMS
 745 #ifdef __WXMAC__
 746         if (path[i] == wxT(':') )
 747 #else
 748         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 749 #endif
 750         {
 751           done = TRUE;
 752 #ifdef __VMS__
 753            if ( path[i] == wxT(']') )
 754              buf[i+1] = 0;
 755            else
 756 #endif
 757           buf[i] = 0;
 758
 759           return buf;
 760         }
 761         else i --;
 762       }
 763
 764 #if defined(__WXMSW__) || defined(__WXPM__)
 765       // Try Drive specifier
 766       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 767         {
 768           // A:junk --> A:. (since A:.\junk Not A:\junk)
 769           buf[2] = wxT('.');
 770           buf[3] = wxT('\0');
 771           return buf;
 772         }
 773 #endif
 774     }
 775
 776   return (wxChar *) NULL;
 777 }
 778
 779 // Return just the directory, or NULL if no directory
 780 wxString wxPathOnly (const wxString& path)
 781 {
 782   if (path != wxT(""))
 783     {
 784       wxChar buf[_MAXPATHLEN];
 785
 786       // Local copy
 787       wxStrcpy (buf, WXSTRINGCAST path);
 788
 789       int l = path.Length();
 790       bool done = FALSE;
 791
 792       int i = l - 1;
 793
 794       // Search backward for a backward or forward slash
 795       while (!done && i > -1)
 796       {
 797         // ] is for VMS
 798 #ifdef __WXMAC__
 799         if (path[i] == wxT(':') )
 800 #else
 801         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 802 #endif
 803         {
 804           done = TRUE;
 805 #ifdef __VMS__
 806            if ( path[i] == wxT(']') )
 807              buf[i+1] = 0;
 808            else
 809 #endif
 810           buf[i] = 0;
 811
 812           return wxString(buf);
 813         }
 814         else i --;
 815       }
 816
 817 #if defined(__WXMSW__) || defined(__WXPM__)
 818       // Try Drive specifier
 819       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 820         {
 821           // A:junk --> A:. (since A:.\junk Not A:\junk)
 822           buf[2] = wxT('.');
 823           buf[3] = wxT('\0');
 824           return wxString(buf);
 825         }
 826 #endif
 827     }
 828
 829   return wxString(wxT(""));
 830 }
 831
 832 // Utility for converting delimiters in DOS filenames to UNIX style
 833 // and back again - or we get nasty problems with delimiters.
 834 // Also, convert to lower case, since case is significant in UNIX.
 835
 836 #if defined(__WXMAC__)
 837 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 838 {
 839     Handle    myPath ;
 840     short     length ;
 841
 842     FSpGetFullPath( spec , &length , &myPath ) ;
 843     ::SetHandleSize( myPath , length + 1 ) ;
 844     ::HLock( myPath ) ;
 845     (*myPath)[length] = 0 ;
 846     if ( length > 0 && (*myPath)[length-1] ==':' )
 847         (*myPath)[length-1] = 0 ;
 848
 849     wxString result(     (char*) *myPath ) ;
 850     ::HUnlock( myPath ) ;
 851     ::DisposeHandle( myPath ) ;
 852     return result ;
 853 }
 854
 855 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 856 {
 857     FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 858 }
 859
 860 static char sMacFileNameConversion[ 1000 ] ;
 861
 862 wxString wxMac2UnixFilename (const char *str)
 863 {
 864     char *s = sMacFileNameConversion ;
 865     strcpy( s , str ) ;
 866   if (s)
 867   {
 868     memmove( s+1 , s ,strlen( s ) + 1) ;
 869     if ( *s == ':' )
 870             *s = '.' ;
 871     else
 872             *s = '/' ;
 873
 874     while (*s)
 875     {
 876             if (*s == ':')
 877               *s = '/';
 878             else
 879               *s = wxTolower (*s);        // Case INDEPENDENT
 880             s++;
 881     }
 882   }
 883   return wxString (sMacFileNameConversion) ;
 884 }
 885
 886 wxString wxUnix2MacFilename (const char *str)
 887 {
 888     char *s = sMacFileNameConversion ;
 889     strcpy( s , str ) ;
 890   if (s)
 891   {
 892     if ( *s == '.' )
 893     {
 894       // relative path , since it goes on with slash which is translated to a :
 895       memmove( s , s+1 ,strlen( s ) ) ;
 896     }
 897     else if ( *s == '/' )
 898     {
 899       // absolute path -> on mac just start with the drive name
 900       memmove( s , s+1 ,strlen( s ) ) ;
 901     }
 902     else
 903     {
 904       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 905     }
 906     while (*s)
 907     {
 908       if (*s == '/' || *s == '\\')
 909       {
 910           // convert any back-directory situations
 911           if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 912           {
 913           *s = ':';
 914                 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 915           }
 916           else
 917           *s = ':';
 918       }
 919
 920       s++ ;
 921     }
 922   }
 923   return wxString (sMacFileNameConversion) ;
 924 }
 925
 926 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 927 {
 928     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 929 }
 930
 931 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 932 {
 933     wxString var = wxUnix2MacFilename( path ) ;
 934     wxMacFilename2FSSpec( var , spec ) ;
 935 }
 936
 937 #endif
 938 void
 939 wxDos2UnixFilename (char *s)
 940 {
 941   if (s)
 942     while (*s)
 943       {
 944         if (*s == '\\')
 945           *s = '/';
 946 #ifdef __WXMSW__
 947         else
 948           *s = wxTolower (*s);        // Case INDEPENDENT
 949 #endif
 950         s++;
 951       }
 952 }
 953
 954 void
 955 #if defined(__WXMSW__) || defined(__WXPM__)
 956 wxUnix2DosFilename (wxChar *s)
 957 #else
 958 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 959 #endif
 960 {
 961 // Yes, I really mean this to happen under DOS only! JACS
 962 #if defined(__WXMSW__) || defined(__WXPM__)
 963   if (s)
 964     while (*s)
 965       {
 966         if (*s == wxT('/'))
 967           *s = wxT('\\');
 968         s++;
 969       }
 970 #endif
 971 }
 972
 973 // Concatenate two files to form third
 974 bool
 975 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 976 {
 977   wxString outfile;
 978   if ( !wxGetTempFileName("cat", outfile) )
 979       return FALSE;
 980
 981   FILE *fp1 = (FILE *) NULL;
 982   FILE *fp2 = (FILE *) NULL;
 983   FILE *fp3 = (FILE *) NULL;
 984   // Open the inputs and outputs
 985   if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
 986       (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
 987       (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
 988     {
 989       if (fp1)
 990         fclose (fp1);
 991       if (fp2)
 992         fclose (fp2);
 993       if (fp3)
 994         fclose (fp3);
 995       return FALSE;
 996     }
 997
 998   int ch;
 999   while ((ch = getc (fp1)) != EOF)
1000     (void) putc (ch, fp3);
1001   fclose (fp1);
1002
1003   while ((ch = getc (fp2)) != EOF)
1004     (void) putc (ch, fp3);
1005   fclose (fp2);
1006
1007   fclose (fp3);
1008   bool result = wxRenameFile(outfile, file3);
1009   return result;
1010 }
1011
1012 // Copy files
1013 bool
1014 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1015 {
1016 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1017     // CopyFile() copies file attributes and modification time too, so use it
1018     // instead of our code if available
1019     //
1020     // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1021     return ::CopyFile(file1, file2, !overwrite) != 0;
1022 #elif defined(__WXPM__)
1023     if (::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) == 0)
1024         return TRUE;
1025     else
1026         return FALSE;
1027 #else // !Win32
1028     wxStructStat fbuf;
1029
1030     // get permissions of file1
1031     if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1032     {
1033         // the file probably doesn't exist or we haven't the rights to read
1034         // from it anyhow
1035         wxLogSysError(_("Impossible to get permissions for file '%s'"),
1036                       file1.c_str());
1037         return FALSE;
1038     }
1039
1040     // open file1 for reading
1041     wxFile fileIn(file1, wxFile::read);
1042     if ( !fileIn.IsOpened() )
1043         return FALSE;
1044
1045     // remove file2, if it exists. This is needed for creating
1046     // file2 with the correct permissions in the next step
1047     if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
1048     {
1049         wxLogSysError(_("Impossible to overwrite the file '%s'"),
1050                       file2.c_str());
1051         return FALSE;
1052     }
1053
1054 #ifdef __UNIX__
1055     // reset the umask as we want to create the file with exactly the same
1056     // permissions as the original one
1057     mode_t oldUmask = umask( 0 );
1058 #endif // __UNIX__
1059
1060     // create file2 with the same permissions than file1 and open it for
1061     // writing
1062     wxFile fileOut;
1063     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1064         return FALSE;
1065
1066 #ifdef __UNIX__
1067     /// restore the old umask
1068     umask(oldUmask);
1069 #endif // __UNIX__
1070
1071     // copy contents of file1 to file2
1072     char buf[4096];
1073     size_t count;
1074     for ( ;; )
1075     {
1076         count = fileIn.Read(buf, WXSIZEOF(buf));
1077         if ( fileIn.Error() )
1078             return FALSE;
1079
1080         // end of file?
1081         if ( !count )
1082             break;
1083
1084         if ( fileOut.Write(buf, count) < count )
1085             return FALSE;
1086     }
1087
1088     // we can expect fileIn to be closed successfully, but we should ensure
1089     // that fileOut was closed as some write errors (disk full) might not be
1090     // detected before doing this
1091     if ( !fileIn.Close() || !fileOut.Close() )
1092         return FALSE;
1093
1094 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1095     // no chmod in VA.  Should be some permission API for HPFS386 partitions
1096     // however
1097     if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1098     {
1099         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1100                       file2.c_str());
1101         return FALSE;
1102     }
1103 #endif // OS/2 || Mac
1104
1105     return TRUE;
1106 #endif // __WXMSW__ && __WIN32__
1107 }
1108
1109 bool
1110 wxRenameFile (const wxString& file1, const wxString& file2)
1111 {
1112   // Normal system call
1113   if ( wxRename (file1, file2) == 0 )
1114     return TRUE;
1115
1116   // Try to copy
1117   if (wxCopyFile(file1, file2)) {
1118     wxRemoveFile(file1);
1119     return TRUE;
1120   }
1121   // Give up
1122   return FALSE;
1123 }
1124
1125 bool wxRemoveFile(const wxString& file)
1126 {
1127 #if defined(__VISUALC__) \
1128  || defined(__BORLANDC__) \
1129  || defined(__WATCOMC__) \
1130  || defined(__GNUWIN32__)
1131   int res = wxRemove(file);
1132 #else
1133   int res = unlink(OS_FILENAME(file));
1134 #endif
1135
1136   return res == 0;
1137 }
1138
1139 bool wxMkdir(const wxString& dir, int perm)
1140 {
1141 #if defined(__WXMAC__) && !defined(__UNIX__)
1142   return (mkdir( dir , 0 ) == 0);
1143 #else // !Mac
1144     const wxChar *dirname = dir.c_str();
1145
1146     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1147     // for the GNU compiler
1148 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1149     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1150 #elif defined(__WXPM__)
1151     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1152 #else  // !MSW and !OS/2 VAC++
1153     (void)perm;
1154     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1155 #endif // !MSW/MSW
1156     {
1157         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1158
1159         return FALSE;
1160     }
1161
1162     return TRUE;
1163 #endif // Mac/!Mac
1164 }
1165
1166 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1167 {
1168 #ifdef __VMS__
1169   return FALSE; //to be changed since rmdir exists in VMS7.x
1170 #elif defined(__WXPM__)
1171   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1172 #else
1173
1174 #ifdef __SALFORDC__
1175   return FALSE; // What to do?
1176 #else
1177   return (wxRmDir(OS_FILENAME(dir)) == 0);
1178 #endif
1179
1180 #endif
1181 }
1182
1183 // does the path exists? (may have or not '/' or '\\' at the end)
1184 bool wxPathExists(const wxChar *pszPathName)
1185 {
1186     wxString strPath(pszPathName);
1187 #ifdef __WINDOWS__
1188     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1189     // so remove all trailing backslashes from the path - but don't do this for
1190     // the pathes "d:\" (which are different from "d:") nor for just "\"
1191     while ( wxEndsWithPathSeparator(strPath) )
1192     {
1193         size_t len = strPath.length();
1194         if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1195             break;
1196
1197         strPath.Truncate(len - 1);
1198     }
1199 #endif // __WINDOWS__
1200
1201 #ifdef __WINDOWS__
1202     // Stat can't cope with network paths
1203     DWORD ret = GetFileAttributes(strPath.c_str());
1204     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
1205     return ((ret != 0xffffffff) && (isDir != 0));
1206 #else
1207
1208     wxStructStat st;
1209 #ifndef __VISAGECPP__
1210     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1211         ((st.st_mode & S_IFMT) == S_IFDIR);
1212 #else
1213     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1214     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1215         (st.st_mode == S_IFDIR);
1216 #endif
1217
1218 #endif
1219 }
1220
1221 // Get a temporary filename, opening and closing the file.
1222 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1223 {
1224 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1225
1226 #ifndef        __WIN32__
1227   wxChar tmp[144];
1228   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1229 #else
1230   wxChar tmp[MAX_PATH];
1231   wxChar tmpPath[MAX_PATH];
1232   ::GetTempPath(MAX_PATH, tmpPath);
1233   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1234 #endif
1235   if (buf) wxStrcpy(buf, tmp);
1236   else buf = copystring(tmp);
1237   return buf;
1238
1239 #else
1240   static short last_temp = 0;        // cache last to speed things a bit
1241   // At most 1000 temp files to a process! We use a ring count.
1242   wxChar tmp[100]; // FIXME static buffer
1243
1244   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1245     {
1246       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1247       if (!wxFileExists( tmp ))
1248         {
1249           // Touch the file to create it (reserve name)
1250           FILE *fd = fopen (wxFNCONV(tmp), "w");
1251           if (fd)
1252             fclose (fd);
1253           last_temp = suffix;
1254           if (buf)
1255             wxStrcpy( buf, tmp);
1256           else
1257             buf = copystring( tmp );
1258           return buf;
1259         }
1260     }
1261   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1262   if (buf) buf[0] = 0;
1263   return (wxChar *) NULL;
1264 #endif
1265 }
1266
1267 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1268 {
1269     wxChar buf2[512];
1270     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1271     {
1272         buf = buf2;
1273         return TRUE;
1274     }
1275     else
1276         return FALSE;
1277 }
1278
1279 // Get first file name matching given wild card.
1280
1281 #ifdef __UNIX__
1282
1283 // Get first file name matching given wild card.
1284 // Flags are reserved for future use.
1285
1286 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1287     static DIR *gs_dirStream = (DIR *) NULL;
1288     static wxString gs_strFileSpec;
1289     static int gs_findFlags = 0;
1290 #endif
1291
1292 wxString wxFindFirstFile(const wxChar *spec, int flags)
1293 {
1294     wxString result;
1295 #ifdef __VMS
1296    wxChar *specvms = NULL;
1297 #endif
1298
1299 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1300     if (gs_dirStream)
1301         closedir(gs_dirStream); // edz 941103: better housekeping
1302
1303     gs_findFlags = flags;
1304
1305     gs_strFileSpec = spec;
1306
1307     // Find path only so we can concatenate
1308     // found file onto path
1309     wxString path(wxPathOnly(gs_strFileSpec));
1310
1311     // special case: path is really "/"
1312     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1313 #ifdef __VMS
1314      {
1315         wxStrcpy( specvms , wxT( "[000000]" ) );
1316         gs_strFileSpec = specvms;
1317         wxString path_vms(wxPathOnly(gs_strFileSpec));
1318         path = path_vms;
1319      }
1320 #else
1321      path = wxT('/');
1322 #endif
1323    // path is empty => Local directory
1324     if ( !path )
1325 #ifdef __VMS
1326      {
1327         wxStrcpy( specvms , wxT( "[]" ) );
1328         gs_strFileSpec = specvms;
1329         wxString path_vms1(wxPathOnly(gs_strFileSpec));
1330         path = path_vms1;
1331      }
1332 #else
1333      path = wxT('.');
1334 #endif
1335
1336     gs_dirStream = opendir(path.fn_str());
1337     if ( !gs_dirStream )
1338     {
1339         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1340                       path.c_str());
1341     }
1342     else
1343     {
1344         result = wxFindNextFile();
1345     }
1346 #endif // !VMS6.x or earlier
1347
1348     return result;
1349 }
1350
1351 wxString wxFindNextFile()
1352 {
1353     wxString result;
1354
1355 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1356     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1357
1358     // Find path only so we can concatenate
1359     // found file onto path
1360     wxString path(wxPathOnly(gs_strFileSpec));
1361     wxString name(wxFileNameFromPath(gs_strFileSpec));
1362
1363     /* MATTHEW: special case: path is really "/" */
1364     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1365         path = wxT('/');
1366
1367     // Do the reading
1368     struct dirent *nextDir;
1369     for ( nextDir = readdir(gs_dirStream);
1370           nextDir != NULL;
1371           nextDir = readdir(gs_dirStream) )
1372     {
1373         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1374         strcmp(nextDir->d_name, ".") &&
1375         strcmp(nextDir->d_name, "..") )
1376         {
1377             result.Empty();
1378             if ( !path.IsEmpty() )
1379             {
1380                 result = path;
1381                 if ( path != wxT('/') )
1382                     result += wxT('/');
1383             }
1384
1385             result += nextDir->d_name;
1386
1387             // Only return "." and ".." when they match
1388             bool isdir;
1389             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1390                  (strcmp(nextDir->d_name, "..") == 0))
1391             {
1392                 if ( (gs_findFlags & wxDIR) != 0 )
1393                     isdir = TRUE;
1394                 else
1395                     continue;
1396             }
1397             else
1398                 isdir = wxDirExists(result);
1399
1400             // and only return directories when flags & wxDIR
1401             if ( !gs_findFlags ||
1402                  ((gs_findFlags & wxDIR) && isdir) ||
1403                  ((gs_findFlags & wxFILE) && !isdir) )
1404             {
1405                 return result;
1406             }
1407         }
1408     }
1409
1410     result.Empty(); // not found
1411
1412     closedir(gs_dirStream);
1413     gs_dirStream = (DIR *) NULL;
1414 #endif // !VMS6.2 or earlier
1415
1416     return result;
1417 }
1418
1419 #elif defined(__WXMAC__)
1420
1421 struct MacDirectoryIterator
1422 {
1423     CInfoPBRec            m_CPB ;
1424     wxInt16                m_index ;
1425     long                m_dirId ;
1426     Str255                m_name ;
1427 } ;
1428
1429 static int g_iter_flags ;
1430
1431 static MacDirectoryIterator g_iter ;
1432
1433 wxString wxFindFirstFile(const wxChar *spec, int flags)
1434 {
1435     wxString result;
1436
1437     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1438
1439     // Find path only so we can concatenate found file onto path
1440     wxString path(wxPathOnly(spec));
1441     if ( !path.IsEmpty() )
1442         result << path << wxT('\\');
1443
1444     FSSpec fsspec ;
1445
1446     wxMacFilename2FSSpec( result , &fsspec ) ;
1447     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1448     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1449     g_iter.m_index = 0 ;
1450
1451     Boolean isDir ;
1452     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1453     if ( !isDir )
1454         return wxEmptyString ;
1455
1456     return wxFindNextFile( ) ;
1457 }
1458
1459 wxString wxFindNextFile()
1460 {
1461     wxString result;
1462
1463     short err = noErr ;
1464
1465     while ( err == noErr )
1466     {
1467         g_iter.m_index++ ;
1468         g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1469         g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1470         err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1471         if ( err != noErr )
1472             break ;
1473
1474         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1475             break ;
1476
1477         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1478             continue ;
1479
1480         // hit !
1481         break ;
1482     }
1483     if ( err != noErr )
1484     {
1485         return wxEmptyString ;
1486     }
1487     FSSpec spec ;
1488
1489     FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1490                                    g_iter.m_dirId,
1491                                    g_iter.m_name,
1492                                    &spec) ;
1493
1494     return wxMacFSSpec2MacFilename( &spec ) ;
1495 }
1496
1497 #elif defined(__WXMSW__)
1498
1499 #ifdef __WIN32__
1500     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1501     static WIN32_FIND_DATA gs_findDataStruct;
1502 #else // Win16
1503     #ifdef __BORLANDC__
1504         static struct ffblk gs_findDataStruct;
1505     #else
1506         static struct _find_t gs_findDataStruct;
1507     #endif // Borland
1508 #endif // Win32/16
1509
1510 static wxString gs_strFileSpec;
1511 static int gs_findFlags = 0;
1512
1513 wxString wxFindFirstFile(const wxChar *spec, int flags)
1514 {
1515     wxString result;
1516
1517     gs_strFileSpec = spec;
1518     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1519
1520     // Find path only so we can concatenate found file onto path
1521     wxString path(wxPathOnly(gs_strFileSpec));
1522     if ( !path.IsEmpty() )
1523         result << path << wxT('\\');
1524
1525 #ifdef __WIN32__
1526     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1527         FindClose(gs_hFileStruct);
1528
1529     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1530
1531     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1532     {
1533         result.Empty();
1534
1535         return result;
1536     }
1537
1538     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1539
1540     if (isdir && !(flags & wxDIR))
1541         return wxFindNextFile();
1542     else if (!isdir && flags && !(flags & wxFILE))
1543         return wxFindNextFile();
1544
1545     result += gs_findDataStruct.cFileName;
1546
1547     return result;
1548 #else // !Win32
1549     int flag = _A_NORMAL;
1550     if (flags & wxDIR)
1551         flag = _A_SUBDIR;
1552
1553 #ifdef __BORLANDC__
1554     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1555 #else
1556         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1557 #endif
1558         {
1559             char attrib;
1560
1561 #ifdef __BORLANDC__
1562             attrib = gs_findDataStruct.ff_attrib;
1563 #else
1564             attrib = gs_findDataStruct.attrib;
1565 #endif
1566
1567             if (attrib & _A_SUBDIR) {
1568                 if (!(gs_findFlags & wxDIR))
1569                     return wxFindNextFile();
1570             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1571                 return wxFindNextFile();
1572
1573             result +=
1574 #ifdef __BORLANDC__
1575                     gs_findDataStruct.ff_name
1576 #else
1577                     gs_findDataStruct.name
1578 #endif
1579                     ;
1580         }
1581
1582     return result;
1583 #endif // __WIN32__
1584 }
1585
1586
1587 wxString wxFindNextFile()
1588 {
1589     wxString result;
1590
1591     // Find path only so we can concatenate found file onto path
1592     wxString path(wxPathOnly(gs_strFileSpec));
1593
1594 try_again:
1595
1596 #ifdef __WIN32__
1597     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1598         return result;
1599
1600     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1601     if (!success)
1602     {
1603         FindClose(gs_hFileStruct);
1604         gs_hFileStruct = INVALID_HANDLE_VALUE;
1605     }
1606     else
1607     {
1608         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1609
1610         if (isdir && !(gs_findFlags & wxDIR))
1611             goto try_again;
1612         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1613             goto try_again;
1614
1615         if ( !path.IsEmpty() )
1616             result << path << wxT('\\');
1617         result << gs_findDataStruct.cFileName;
1618     }
1619
1620     return result;
1621 #else // Win16
1622
1623 #ifdef __BORLANDC__
1624     if (findnext(&gs_findDataStruct) == 0)
1625 #else
1626         if (_dos_findnext(&gs_findDataStruct) == 0)
1627 #endif
1628         {
1629             /* MATTHEW: [5] Check directory flag */
1630             char attrib;
1631
1632 #ifdef __BORLANDC__
1633             attrib = gs_findDataStruct.ff_attrib;
1634 #else
1635             attrib = gs_findDataStruct.attrib;
1636 #endif
1637
1638             if (attrib & _A_SUBDIR) {
1639                 if (!(gs_findFlags & wxDIR))
1640                     goto try_again;
1641             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1642                 goto try_again;
1643
1644
1645             result +=
1646 #ifdef __BORLANDC__
1647                       gs_findDataStruct.ff_name
1648 #else
1649                       gs_findDataStruct.name
1650 #endif
1651                       ;
1652         }
1653
1654     return result;
1655 #endif // Win32/16
1656 }
1657
1658 #elif defined(__WXPM__)
1659
1660 wxString wxFindFirstFile(const wxChar *spec, int flags)
1661 {
1662     wxString result;
1663
1664     /*
1665     // TODO: figure something out here for OS/2
1666     gs_strFileSpec = spec;
1667     gs_findFlags = flags;
1668
1669     // Find path only so we can concatenate found file onto path
1670     wxString path(wxPathOnly(gs_strFileSpec));
1671     if ( !path.IsEmpty() )
1672         result << path << wxT('\\');
1673
1674     int flag = _A_NORMAL;
1675     if (flags & wxDIR)
1676         flag = _A_SUBDIR;
1677
1678     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1679     {
1680         char attrib;
1681         attrib = gs_findDataStruct.attrib;
1682
1683         if (attrib & _A_SUBDIR) {
1684             if (!(gs_findFlags & wxDIR))
1685                 return wxFindNextFile();
1686         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1687             return wxFindNextFile();
1688
1689         result += gs_findDataStruct.name;
1690     }
1691     */
1692     return result;
1693 }
1694
1695 wxString wxFindNextFile()
1696 {
1697     wxString result;
1698     // TODO:
1699     return result;
1700 }
1701
1702 #endif // Unix/Windows/OS/2
1703
1704 // Get current working directory.
1705 // If buf is NULL, allocates space using new, else
1706 // copies into buf.
1707 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1708 {
1709   if (!buf)
1710     buf = new wxChar[sz+1];
1711 #if wxUSE_UNICODE
1712   char *cbuf = new char[sz+1];
1713 #ifdef _MSC_VER
1714   if (_getcwd(cbuf, sz) == NULL) {
1715 #elif defined(__WXMAC__)
1716     enum
1717     {
1718         SFSaveDisk = 0x214, CurDirStore = 0x398
1719     };
1720     FSSpec cwdSpec ;
1721
1722     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1723     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1724     strcpy( buf , res ) ;
1725     if (0) {
1726 #else
1727   if (getcwd(cbuf, sz) == NULL) {
1728 #endif
1729     delete [] cbuf;
1730 #else // wxUnicode
1731 #ifdef _MSC_VER
1732   if (_getcwd(buf, sz) == NULL) {
1733 #elif defined(__WXMAC__) && !defined(__UNIX__)
1734     FSSpec cwdSpec ;
1735     FCBPBRec pb;
1736     OSErr error;
1737     Str255  fileName ;
1738     pb.ioNamePtr = (StringPtr) &fileName;
1739     pb.ioVRefNum = 0;
1740     pb.ioRefNum = LMGetCurApRefNum();
1741     pb.ioFCBIndx = 0;
1742     error = PBGetFCBInfoSync(&pb);
1743     if ( error == noErr )
1744     {
1745         cwdSpec.vRefNum = pb.ioFCBVRefNum;
1746         cwdSpec.parID = pb.ioFCBParID;
1747         cwdSpec.name[0] = 0 ;
1748         wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1749
1750         strcpy( buf , res ) ;
1751         buf[res.length()]=0 ;
1752     }
1753     else
1754         buf[0] = 0 ;
1755     /*
1756     this version will not always give back the application directory on mac
1757     enum
1758     {
1759         SFSaveDisk = 0x214, CurDirStore = 0x398
1760     };
1761     FSSpec cwdSpec ;
1762
1763     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1764     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1765     strcpy( buf , res ) ;
1766     */
1767     if (0) {
1768 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1769     APIRET rc;
1770     rc = ::DosQueryCurrentDir( 0 // current drive
1771                               ,buf
1772                               ,(PULONG)&sz
1773                              );
1774     if (rc != 0) {
1775 #else
1776   if (getcwd(buf, sz) == NULL) {
1777 #endif
1778 #endif
1779     buf[0] = wxT('.');
1780     buf[1] = wxT('\0');
1781   }
1782 #if wxUSE_UNICODE
1783   else {
1784     wxConvFile.MB2WC(buf, cbuf, sz);
1785     delete [] cbuf;
1786   }
1787 #endif
1788   return buf;
1789 }
1790
1791 wxString wxGetCwd()
1792 {
1793     static const size_t maxPathLen = 1024;
1794
1795     wxString str;
1796     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1797     str.UngetWriteBuf();
1798
1799     return str;
1800 }
1801
1802 bool wxSetWorkingDirectory(const wxString& d)
1803 {
1804 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1805   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1806 #elif defined(__WXPM__)
1807   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1808 #elif defined(__WINDOWS__)
1809
1810 #ifdef __WIN32__
1811   return (bool)(SetCurrentDirectory(d) != 0);
1812 #else
1813   // Must change drive, too.
1814   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1815   if (isDriveSpec)
1816   {
1817     wxChar firstChar = d[0];
1818
1819     // To upper case
1820     if (firstChar > 90)
1821       firstChar = firstChar - 32;
1822
1823     // To a drive number
1824     unsigned int driveNo = firstChar - 64;
1825     if (driveNo > 0)
1826     {
1827        unsigned int noDrives;
1828        _dos_setdrive(driveNo, &noDrives);
1829     }
1830   }
1831   bool success = (chdir(WXSTRINGCAST d) == 0);
1832
1833   return success;
1834 #endif
1835
1836 #endif
1837 }
1838
1839 // Get the OS directory if appropriate (such as the Windows directory).
1840 // On non-Windows platform, probably just return the empty string.
1841 wxString wxGetOSDirectory()
1842 {
1843 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1844     wxChar buf[256];
1845     GetWindowsDirectory(buf, 256);
1846     return wxString(buf);
1847 #else
1848     return wxEmptyString;
1849 #endif
1850 }
1851
1852 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1853 {
1854   size_t len = wxStrlen(pszFileName);
1855   if ( len == 0 )
1856     return FALSE;
1857   else
1858     return wxIsPathSeparator(pszFileName[len - 1]);
1859 }
1860
1861 // find a file in a list of directories, returns false if not found
1862 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1863 {
1864     // we assume that it's not empty
1865     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1866                  _T("empty file name in wxFindFileInPath"));
1867
1868     // skip path separator in the beginning of the file name if present
1869     if ( wxIsPathSeparator(*pszFile) )
1870         pszFile++;
1871
1872     // copy the path (strtok will modify it)
1873     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1874     wxStrcpy(szPath, pszPath);
1875
1876     wxString strFile;
1877     wxChar *pc, *save_ptr;
1878     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1879           pc != NULL;
1880           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1881     {
1882         // search for the file in this directory
1883         strFile = pc;
1884         if ( !wxEndsWithPathSeparator(pc) )
1885             strFile += wxFILE_SEP_PATH;
1886         strFile += pszFile;
1887
1888         if ( FileExists(strFile) ) {
1889             *pStr = strFile;
1890             break;
1891         }
1892     }
1893
1894     // suppress warning about unused variable save_ptr when wxStrtok() is a
1895     // macro which throws away its third argument
1896     save_ptr = pc;
1897
1898     delete [] szPath;
1899
1900     return pc != NULL;  // if true => we breaked from the loop
1901 }
1902
1903 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1904                              wxString *pstrPath,
1905                              wxString *pstrName,
1906                              wxString *pstrExt)
1907 {
1908     // it can be empty, but it shouldn't be NULL
1909     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1910
1911     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1912 }
1913
1914 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1915 {
1916     wxStructStat buf;
1917
1918     wxStat(filename.fn_str(), &buf);
1919     return buf.st_mtime;
1920 }
1921
1922
1923 //------------------------------------------------------------------------
1924 // wild character routines
1925 //------------------------------------------------------------------------
1926
1927 bool wxIsWild( const wxString& pattern )
1928 {
1929   wxString tmp = pattern;
1930   wxChar *pat = WXSTRINGCAST(tmp);
1931     while (*pat) {
1932         switch (*pat++) {
1933         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1934             return TRUE;
1935         case wxT('\\'):
1936             if (!*pat++)
1937                 return FALSE;
1938         }
1939     }
1940     return FALSE;
1941 };
1942
1943 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1944
1945 #if defined(HAVE_FNMATCH_H)
1946 {
1947 // this probably won't work well for multibyte chars in Unicode mode?
1948    if(dot_special)
1949       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1950    else
1951       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1952 }
1953 #else
1954
1955 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1956
1957    /*
1958     * WARNING: this code is broken!
1959     */
1960 {
1961   wxString tmp1 = pat;
1962   wxChar *pattern = WXSTRINGCAST(tmp1);
1963   wxString tmp2 = text;
1964   wxChar *str = WXSTRINGCAST(tmp2);
1965     wxChar c;
1966     wxChar *cp;
1967     bool done = FALSE, ret_code, ok;
1968     // Below is for vi fans
1969     const wxChar OB = wxT('{'), CB = wxT('}');
1970
1971     // dot_special means '.' only matches '.'
1972     if (dot_special && *str == wxT('.') && *pattern != *str)
1973         return FALSE;
1974
1975     while ((*pattern != wxT('\0')) && (!done)
1976     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1977         switch (*pattern) {
1978         case wxT('\\'):
1979             pattern++;
1980             if (*pattern != wxT('\0'))
1981                 pattern++;
1982             break;
1983         case wxT('*'):
1984             pattern++;
1985             ret_code = FALSE;
1986             while ((*str!=wxT('\0'))
1987             && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1988                 /*loop*/;
1989             if (ret_code) {
1990                 while (*str != wxT('\0'))
1991                     str++;
1992                 while (*pattern != wxT('\0'))
1993                     pattern++;
1994             }
1995             break;
1996         case wxT('['):
1997             pattern++;
1998           repeat:
1999             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
2000                 done = TRUE;
2001                 break;
2002             }
2003             if (*pattern == wxT('\\')) {
2004                 pattern++;
2005                 if (*pattern == wxT('\0')) {
2006                     done = TRUE;
2007                     break;
2008                 }
2009             }
2010             if (*(pattern + 1) == wxT('-')) {
2011                 c = *pattern;
2012                 pattern += 2;
2013                 if (*pattern == wxT(']')) {
2014                     done = TRUE;
2015                     break;
2016                 }
2017                 if (*pattern == wxT('\\')) {
2018                     pattern++;
2019                     if (*pattern == wxT('\0')) {
2020                         done = TRUE;
2021                         break;
2022                     }
2023                 }
2024                 if ((*str < c) || (*str > *pattern)) {
2025                     pattern++;
2026                     goto repeat;
2027                 }
2028             } else if (*pattern != *str) {
2029                 pattern++;
2030                 goto repeat;
2031             }
2032             pattern++;
2033             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
2034                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
2035                     pattern++;
2036                 pattern++;
2037             }
2038             if (*pattern != wxT('\0')) {
2039                 pattern++, str++;
2040             }
2041             break;
2042         case wxT('?'):
2043             pattern++;
2044             str++;
2045             break;
2046         case OB:
2047             pattern++;
2048             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2049                 cp = str;
2050                 ok = TRUE;
2051                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2052                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
2053                     if (*pattern == wxT('\\'))
2054                         pattern++;
2055                     ok = (*pattern++ == *cp++);
2056                 }
2057                 if (*pattern == wxT('\0')) {
2058                     ok = FALSE;
2059                     done = TRUE;
2060                     break;
2061                 } else if (ok) {
2062                     str = cp;
2063                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2064                         if (*++pattern == wxT('\\')) {
2065                             if (*++pattern == CB)
2066                                 pattern++;
2067                         }
2068                     }
2069                 } else {
2070                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2071                         if (*++pattern == wxT('\\')) {
2072                             if (*++pattern == CB || *pattern == wxT(','))
2073                                 pattern++;
2074                         }
2075                     }
2076                 }
2077                 if (*pattern != wxT('\0'))
2078                     pattern++;
2079             }
2080             break;
2081         default:
2082             if (*str == *pattern) {
2083                 str++, pattern++;
2084             } else {
2085                 done = TRUE;
2086             }
2087         }
2088     }
2089     while (*pattern == wxT('*'))
2090         pattern++;
2091     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2092 };
2093
2094 #endif
2095
2096 #ifdef __VISUALC__
2097     #pragma warning(default:4706)   // assignment within conditional expression
2098 #endif // VC++