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 #else // !Win32
1023     wxStructStat fbuf;
1024
1025     // get permissions of file1
1026     if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1027     {
1028         // the file probably doesn't exist or we haven't the rights to read
1029         // from it anyhow
1030         wxLogSysError(_("Impossible to get permissions for file '%s'"),
1031                       file1.c_str());
1032         return FALSE;
1033     }
1034
1035     // open file1 for reading
1036     wxFile fileIn(file1, wxFile::read);
1037     if ( !fileIn.IsOpened() )
1038         return FALSE;
1039
1040     // remove file2, if it exists. This is needed for creating
1041     // file2 with the correct permissions in the next step
1042     if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
1043     {
1044         wxLogSysError(_("Impossible to overwrite the file '%s'"),
1045                       file2.c_str());
1046         return FALSE;
1047     }
1048
1049 #ifdef __UNIX__
1050     // reset the umask as we want to create the file with exactly the same
1051     // permissions as the original one
1052     mode_t oldUmask = umask( 0 );
1053 #endif // __UNIX__
1054
1055     // create file2 with the same permissions than file1 and open it for
1056     // writing
1057     wxFile fileOut;
1058     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1059         return FALSE;
1060
1061 #ifdef __UNIX__
1062     /// restore the old umask
1063     umask(oldUmask);
1064 #endif // __UNIX__
1065
1066     // copy contents of file1 to file2
1067     char buf[4096];
1068     size_t count;
1069     for ( ;; )
1070     {
1071         count = fileIn.Read(buf, WXSIZEOF(buf));
1072         if ( fileIn.Error() )
1073             return FALSE;
1074
1075         // end of file?
1076         if ( !count )
1077             break;
1078
1079         if ( fileOut.Write(buf, count) < count )
1080             return FALSE;
1081     }
1082
1083     // we can expect fileIn to be closed successfully, but we should ensure
1084     // that fileOut was closed as some write errors (disk full) might not be
1085     // detected before doing this
1086     if ( !fileIn.Close() || !fileOut.Close() )
1087         return FALSE;
1088
1089 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1090     // no chmod in VA.  Should be some permission API for HPFS386 partitions
1091     // however
1092     if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1093     {
1094         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1095                       file2.c_str());
1096         return FALSE;
1097     }
1098 #endif // OS/2 || Mac
1099
1100     return TRUE;
1101 #endif // __WXMSW__ && __WIN32__
1102 }
1103
1104 bool
1105 wxRenameFile (const wxString& file1, const wxString& file2)
1106 {
1107   // Normal system call
1108   if ( wxRename (file1, file2) == 0 )
1109     return TRUE;
1110
1111   // Try to copy
1112   if (wxCopyFile(file1, file2)) {
1113     wxRemoveFile(file1);
1114     return TRUE;
1115   }
1116   // Give up
1117   return FALSE;
1118 }
1119
1120 bool wxRemoveFile(const wxString& file)
1121 {
1122 #if defined(__VISUALC__) \
1123  || defined(__BORLANDC__) \
1124  || defined(__WATCOMC__) \
1125  || defined(__GNUWIN32__)
1126   int res = wxRemove(file);
1127 #else
1128   int res = unlink(OS_FILENAME(file));
1129 #endif
1130
1131   return res == 0;
1132 }
1133
1134 bool wxMkdir(const wxString& dir, int perm)
1135 {
1136 #if defined(__WXMAC__) && !defined(__UNIX__)
1137   return (mkdir( dir , 0 ) == 0);
1138 #else // !Mac
1139     const wxChar *dirname = dir.c_str();
1140
1141     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1142     // for the GNU compiler
1143 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1144     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1145 #elif defined(__WXPM__)
1146     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1147 #else  // !MSW and !OS/2 VAC++
1148         (void)perm;
1149     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1150 #endif // !MSW/MSW
1151     {
1152         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1153
1154         return FALSE;
1155     }
1156
1157     return TRUE;
1158 #endif // Mac/!Mac
1159 }
1160
1161 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1162 {
1163 #ifdef __VMS__
1164   return FALSE; //to be changed since rmdir exists in VMS7.x
1165 #elif defined(__WXPM__)
1166   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1167 #else
1168
1169 #ifdef __SALFORDC__
1170   return FALSE; // What to do?
1171 #else
1172   return (wxRmDir(OS_FILENAME(dir)) == 0);
1173 #endif
1174
1175 #endif
1176 }
1177
1178 // does the path exists? (may have or not '/' or '\\' at the end)
1179 bool wxPathExists(const wxChar *pszPathName)
1180 {
1181     wxString strPath(pszPathName);
1182 #ifdef __WINDOWS__
1183     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1184     // so remove all trailing backslashes from the path - but don't do this for
1185     // the pathes "d:\" (which are different from "d:") nor for just "\"
1186     while ( wxEndsWithPathSeparator(strPath) )
1187     {
1188         size_t len = strPath.length();
1189         if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1190             break;
1191
1192         strPath.Truncate(len - 1);
1193     }
1194 #endif // __WINDOWS__
1195
1196 #ifdef __WINDOWS__
1197     // Stat can't cope with network paths
1198     DWORD ret = GetFileAttributes(strPath.c_str());
1199     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
1200     return ((ret != 0xffffffff) && (isDir != 0));
1201 #else
1202
1203     wxStructStat st;
1204 #ifndef __VISAGECPP__
1205     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1206         ((st.st_mode & S_IFMT) == S_IFDIR);
1207 #else
1208     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1209     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1210         (st.st_mode == S_IFDIR);
1211 #endif
1212
1213 #endif
1214 }
1215
1216 // Get a temporary filename, opening and closing the file.
1217 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1218 {
1219 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1220
1221 #ifndef        __WIN32__
1222   wxChar tmp[144];
1223   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1224 #else
1225   wxChar tmp[MAX_PATH];
1226   wxChar tmpPath[MAX_PATH];
1227   ::GetTempPath(MAX_PATH, tmpPath);
1228   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1229 #endif
1230   if (buf) wxStrcpy(buf, tmp);
1231   else buf = copystring(tmp);
1232   return buf;
1233
1234 #else
1235   static short last_temp = 0;        // cache last to speed things a bit
1236   // At most 1000 temp files to a process! We use a ring count.
1237   wxChar tmp[100]; // FIXME static buffer
1238
1239   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1240     {
1241       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1242       if (!wxFileExists( tmp ))
1243         {
1244           // Touch the file to create it (reserve name)
1245           FILE *fd = fopen (wxFNCONV(tmp), "w");
1246           if (fd)
1247             fclose (fd);
1248           last_temp = suffix;
1249           if (buf)
1250             wxStrcpy( buf, tmp);
1251           else
1252             buf = copystring( tmp );
1253           return buf;
1254         }
1255     }
1256   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1257   if (buf) buf[0] = 0;
1258   return (wxChar *) NULL;
1259 #endif
1260 }
1261
1262 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1263 {
1264     wxChar buf2[512];
1265     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1266     {
1267         buf = buf2;
1268         return TRUE;
1269     }
1270     else
1271         return FALSE;
1272 }
1273
1274 // Get first file name matching given wild card.
1275
1276 #ifdef __UNIX__
1277
1278 // Get first file name matching given wild card.
1279 // Flags are reserved for future use.
1280
1281 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1282     static DIR *gs_dirStream = (DIR *) NULL;
1283     static wxString gs_strFileSpec;
1284     static int gs_findFlags = 0;
1285 #endif
1286
1287 wxString wxFindFirstFile(const wxChar *spec, int flags)
1288 {
1289     wxString result;
1290 #ifdef __VMS
1291    wxChar *specvms = NULL;
1292 #endif
1293
1294 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1295     if (gs_dirStream)
1296         closedir(gs_dirStream); // edz 941103: better housekeping
1297
1298     gs_findFlags = flags;
1299
1300     gs_strFileSpec = spec;
1301
1302     // Find path only so we can concatenate
1303     // found file onto path
1304     wxString path(wxPathOnly(gs_strFileSpec));
1305
1306     // special case: path is really "/"
1307     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1308 #ifdef __VMS
1309      {
1310         wxStrcpy( specvms , wxT( "[000000]" ) );
1311         gs_strFileSpec = specvms;
1312         wxString path_vms(wxPathOnly(gs_strFileSpec));
1313         path = path_vms;
1314      }
1315 #else
1316      path = wxT('/');
1317 #endif
1318    // path is empty => Local directory
1319     if ( !path )
1320 #ifdef __VMS
1321      {
1322         wxStrcpy( specvms , wxT( "[]" ) );
1323         gs_strFileSpec = specvms;
1324         wxString path_vms1(wxPathOnly(gs_strFileSpec));
1325         path = path_vms1;
1326      }
1327 #else
1328      path = wxT('.');
1329 #endif
1330
1331     gs_dirStream = opendir(path.fn_str());
1332     if ( !gs_dirStream )
1333     {
1334         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1335                       path.c_str());
1336     }
1337     else
1338     {
1339         result = wxFindNextFile();
1340     }
1341 #endif // !VMS6.x or earlier
1342
1343     return result;
1344 }
1345
1346 wxString wxFindNextFile()
1347 {
1348     wxString result;
1349
1350 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1351     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1352
1353     // Find path only so we can concatenate
1354     // found file onto path
1355     wxString path(wxPathOnly(gs_strFileSpec));
1356     wxString name(wxFileNameFromPath(gs_strFileSpec));
1357
1358     /* MATTHEW: special case: path is really "/" */
1359     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1360         path = wxT('/');
1361
1362     // Do the reading
1363     struct dirent *nextDir;
1364     for ( nextDir = readdir(gs_dirStream);
1365           nextDir != NULL;
1366           nextDir = readdir(gs_dirStream) )
1367     {
1368         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1369         strcmp(nextDir->d_name, ".") &&
1370         strcmp(nextDir->d_name, "..") )
1371         {
1372             result.Empty();
1373             if ( !path.IsEmpty() )
1374             {
1375                 result = path;
1376                 if ( path != wxT('/') )
1377                     result += wxT('/');
1378             }
1379
1380             result += nextDir->d_name;
1381
1382             // Only return "." and ".." when they match
1383             bool isdir;
1384             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1385                  (strcmp(nextDir->d_name, "..") == 0))
1386             {
1387                 if ( (gs_findFlags & wxDIR) != 0 )
1388                     isdir = TRUE;
1389                 else
1390                     continue;
1391             }
1392             else
1393                 isdir = wxDirExists(result);
1394
1395             // and only return directories when flags & wxDIR
1396             if ( !gs_findFlags ||
1397                  ((gs_findFlags & wxDIR) && isdir) ||
1398                  ((gs_findFlags & wxFILE) && !isdir) )
1399             {
1400                 return result;
1401             }
1402         }
1403     }
1404
1405     result.Empty(); // not found
1406
1407     closedir(gs_dirStream);
1408     gs_dirStream = (DIR *) NULL;
1409 #endif // !VMS6.2 or earlier
1410
1411     return result;
1412 }
1413
1414 #elif defined(__WXMAC__)
1415
1416 struct MacDirectoryIterator
1417 {
1418     CInfoPBRec            m_CPB ;
1419     wxInt16                m_index ;
1420     long                m_dirId ;
1421     Str255                m_name ;
1422 } ;
1423
1424 static int g_iter_flags ;
1425
1426 static MacDirectoryIterator g_iter ;
1427
1428 wxString wxFindFirstFile(const wxChar *spec, int flags)
1429 {
1430     wxString result;
1431
1432     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1433
1434     // Find path only so we can concatenate found file onto path
1435     wxString path(wxPathOnly(spec));
1436     if ( !path.IsEmpty() )
1437         result << path << wxT('\\');
1438
1439     FSSpec fsspec ;
1440
1441     wxMacFilename2FSSpec( result , &fsspec ) ;
1442     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1443     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1444     g_iter.m_index = 0 ;
1445
1446     Boolean isDir ;
1447     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1448     if ( !isDir )
1449         return wxEmptyString ;
1450
1451     return wxFindNextFile( ) ;
1452 }
1453
1454 wxString wxFindNextFile()
1455 {
1456     wxString result;
1457
1458     short err = noErr ;
1459
1460     while ( err == noErr )
1461     {
1462         g_iter.m_index++ ;
1463         g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1464         g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1465         err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1466         if ( err != noErr )
1467             break ;
1468
1469         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1470             break ;
1471
1472         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1473             continue ;
1474
1475         // hit !
1476         break ;
1477     }
1478     if ( err != noErr )
1479     {
1480         return wxEmptyString ;
1481     }
1482     FSSpec spec ;
1483
1484     FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1485                                    g_iter.m_dirId,
1486                                    g_iter.m_name,
1487                                    &spec) ;
1488
1489     return wxMacFSSpec2MacFilename( &spec ) ;
1490 }
1491
1492 #elif defined(__WXMSW__)
1493
1494 #ifdef __WIN32__
1495     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1496     static WIN32_FIND_DATA gs_findDataStruct;
1497 #else // Win16
1498     #ifdef __BORLANDC__
1499         static struct ffblk gs_findDataStruct;
1500     #else
1501         static struct _find_t gs_findDataStruct;
1502     #endif // Borland
1503 #endif // Win32/16
1504
1505 static wxString gs_strFileSpec;
1506 static int gs_findFlags = 0;
1507
1508 wxString wxFindFirstFile(const wxChar *spec, int flags)
1509 {
1510     wxString result;
1511
1512     gs_strFileSpec = spec;
1513     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1514
1515     // Find path only so we can concatenate found file onto path
1516     wxString path(wxPathOnly(gs_strFileSpec));
1517     if ( !path.IsEmpty() )
1518         result << path << wxT('\\');
1519
1520 #ifdef __WIN32__
1521     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1522         FindClose(gs_hFileStruct);
1523
1524     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1525
1526     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1527     {
1528         result.Empty();
1529
1530         return result;
1531     }
1532
1533     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1534
1535     if (isdir && !(flags & wxDIR))
1536         return wxFindNextFile();
1537     else if (!isdir && flags && !(flags & wxFILE))
1538         return wxFindNextFile();
1539
1540     result += gs_findDataStruct.cFileName;
1541
1542     return result;
1543 #else // !Win32
1544     int flag = _A_NORMAL;
1545     if (flags & wxDIR)
1546         flag = _A_SUBDIR;
1547
1548 #ifdef __BORLANDC__
1549     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1550 #else
1551         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1552 #endif
1553         {
1554             char attrib;
1555
1556 #ifdef __BORLANDC__
1557             attrib = gs_findDataStruct.ff_attrib;
1558 #else
1559             attrib = gs_findDataStruct.attrib;
1560 #endif
1561
1562             if (attrib & _A_SUBDIR) {
1563                 if (!(gs_findFlags & wxDIR))
1564                     return wxFindNextFile();
1565             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1566                 return wxFindNextFile();
1567
1568             result +=
1569 #ifdef __BORLANDC__
1570                     gs_findDataStruct.ff_name
1571 #else
1572                     gs_findDataStruct.name
1573 #endif
1574                     ;
1575         }
1576
1577     return result;
1578 #endif // __WIN32__
1579 }
1580
1581
1582 wxString wxFindNextFile()
1583 {
1584     wxString result;
1585
1586     // Find path only so we can concatenate found file onto path
1587     wxString path(wxPathOnly(gs_strFileSpec));
1588
1589 try_again:
1590
1591 #ifdef __WIN32__
1592     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1593         return result;
1594
1595     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1596     if (!success)
1597     {
1598         FindClose(gs_hFileStruct);
1599         gs_hFileStruct = INVALID_HANDLE_VALUE;
1600     }
1601     else
1602     {
1603         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1604
1605         if (isdir && !(gs_findFlags & wxDIR))
1606             goto try_again;
1607         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1608             goto try_again;
1609
1610         if ( !path.IsEmpty() )
1611             result << path << wxT('\\');
1612         result << gs_findDataStruct.cFileName;
1613     }
1614
1615     return result;
1616 #else // Win16
1617
1618 #ifdef __BORLANDC__
1619     if (findnext(&gs_findDataStruct) == 0)
1620 #else
1621         if (_dos_findnext(&gs_findDataStruct) == 0)
1622 #endif
1623         {
1624             /* MATTHEW: [5] Check directory flag */
1625             char attrib;
1626
1627 #ifdef __BORLANDC__
1628             attrib = gs_findDataStruct.ff_attrib;
1629 #else
1630             attrib = gs_findDataStruct.attrib;
1631 #endif
1632
1633             if (attrib & _A_SUBDIR) {
1634                 if (!(gs_findFlags & wxDIR))
1635                     goto try_again;
1636             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1637                 goto try_again;
1638
1639
1640             result +=
1641 #ifdef __BORLANDC__
1642                       gs_findDataStruct.ff_name
1643 #else
1644                       gs_findDataStruct.name
1645 #endif
1646                       ;
1647         }
1648
1649     return result;
1650 #endif // Win32/16
1651 }
1652
1653 #elif defined(__WXPM__)
1654
1655 wxString wxFindFirstFile(const wxChar *spec, int flags)
1656 {
1657     wxString result;
1658
1659     /*
1660     // TODO: figure something out here for OS/2
1661     gs_strFileSpec = spec;
1662     gs_findFlags = flags;
1663
1664     // Find path only so we can concatenate found file onto path
1665     wxString path(wxPathOnly(gs_strFileSpec));
1666     if ( !path.IsEmpty() )
1667         result << path << wxT('\\');
1668
1669     int flag = _A_NORMAL;
1670     if (flags & wxDIR)
1671         flag = _A_SUBDIR;
1672
1673     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1674     {
1675         char attrib;
1676         attrib = gs_findDataStruct.attrib;
1677
1678         if (attrib & _A_SUBDIR) {
1679             if (!(gs_findFlags & wxDIR))
1680                 return wxFindNextFile();
1681         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1682             return wxFindNextFile();
1683
1684         result += gs_findDataStruct.name;
1685     }
1686     */
1687     return result;
1688 }
1689
1690 wxString wxFindNextFile()
1691 {
1692     wxString result;
1693     // TODO:
1694     return result;
1695 }
1696
1697 #endif // Unix/Windows/OS/2
1698
1699 // Get current working directory.
1700 // If buf is NULL, allocates space using new, else
1701 // copies into buf.
1702 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1703 {
1704   if (!buf)
1705     buf = new wxChar[sz+1];
1706 #if wxUSE_UNICODE
1707   char *cbuf = new char[sz+1];
1708 #ifdef _MSC_VER
1709   if (_getcwd(cbuf, sz) == NULL) {
1710 #elif defined(__WXMAC__)
1711     enum
1712     {
1713         SFSaveDisk = 0x214, CurDirStore = 0x398
1714     };
1715     FSSpec cwdSpec ;
1716
1717     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1718     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1719     strcpy( buf , res ) ;
1720     if (0) {
1721 #else
1722   if (getcwd(cbuf, sz) == NULL) {
1723 #endif
1724     delete [] cbuf;
1725 #else // wxUnicode
1726 #ifdef _MSC_VER
1727   if (_getcwd(buf, sz) == NULL) {
1728 #elif defined(__WXMAC__) && !defined(__UNIX__)
1729         FSSpec cwdSpec ;
1730         FCBPBRec pb;
1731         OSErr error;
1732         Str255  fileName ;
1733         pb.ioNamePtr = (StringPtr) &fileName;
1734         pb.ioVRefNum = 0;
1735         pb.ioRefNum = LMGetCurApRefNum();
1736         pb.ioFCBIndx = 0;
1737         error = PBGetFCBInfoSync(&pb);
1738         if ( error == noErr )
1739         {
1740                 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1741                 cwdSpec.parID = pb.ioFCBParID;
1742                 cwdSpec.name[0] = 0 ;
1743                 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1744
1745                 strcpy( buf , res ) ;
1746                 buf[res.length()-1]=0 ;
1747         }
1748         else
1749                 buf[0] = 0 ;
1750         /*
1751         this version will not always give back the application directory on mac
1752         enum
1753         {
1754                 SFSaveDisk = 0x214, CurDirStore = 0x398
1755         };
1756         FSSpec cwdSpec ;
1757
1758         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1759         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1760         strcpy( buf , res ) ;
1761         */
1762         if (0) {
1763 #elif(__VISAGECPP__)
1764     APIRET rc;
1765     rc = ::DosQueryCurrentDir( 0 // current drive
1766                               ,buf
1767                               ,(PULONG)&sz
1768                              );
1769     if (rc != 0) {
1770 #else
1771   if (getcwd(buf, sz) == NULL) {
1772 #endif
1773 #endif
1774     buf[0] = wxT('.');
1775     buf[1] = wxT('\0');
1776   }
1777 #if wxUSE_UNICODE
1778   else {
1779     wxConvFile.MB2WC(buf, cbuf, sz);
1780     delete [] cbuf;
1781   }
1782 #endif
1783   return buf;
1784 }
1785
1786 wxString wxGetCwd()
1787 {
1788     static const size_t maxPathLen = 1024;
1789
1790     wxString str;
1791     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1792     str.UngetWriteBuf();
1793
1794     return str;
1795 }
1796
1797 bool wxSetWorkingDirectory(const wxString& d)
1798 {
1799 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1800   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1801 #elif defined(__WXPM__)
1802   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1803 #elif defined(__WINDOWS__)
1804
1805 #ifdef __WIN32__
1806   return (bool)(SetCurrentDirectory(d) != 0);
1807 #else
1808   // Must change drive, too.
1809   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1810   if (isDriveSpec)
1811   {
1812     wxChar firstChar = d[0];
1813
1814     // To upper case
1815     if (firstChar > 90)
1816       firstChar = firstChar - 32;
1817
1818     // To a drive number
1819     unsigned int driveNo = firstChar - 64;
1820     if (driveNo > 0)
1821     {
1822        unsigned int noDrives;
1823        _dos_setdrive(driveNo, &noDrives);
1824     }
1825   }
1826   bool success = (chdir(WXSTRINGCAST d) == 0);
1827
1828   return success;
1829 #endif
1830
1831 #endif
1832 }
1833
1834 // Get the OS directory if appropriate (such as the Windows directory).
1835 // On non-Windows platform, probably just return the empty string.
1836 wxString wxGetOSDirectory()
1837 {
1838 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1839     wxChar buf[256];
1840     GetWindowsDirectory(buf, 256);
1841     return wxString(buf);
1842 #else
1843     return wxEmptyString;
1844 #endif
1845 }
1846
1847 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1848 {
1849   size_t len = wxStrlen(pszFileName);
1850   if ( len == 0 )
1851     return FALSE;
1852   else
1853     return wxIsPathSeparator(pszFileName[len - 1]);
1854 }
1855
1856 // find a file in a list of directories, returns false if not found
1857 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1858 {
1859     // we assume that it's not empty
1860     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1861                  _T("empty file name in wxFindFileInPath"));
1862
1863     // skip path separator in the beginning of the file name if present
1864     if ( wxIsPathSeparator(*pszFile) )
1865         pszFile++;
1866
1867     // copy the path (strtok will modify it)
1868     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1869     wxStrcpy(szPath, pszPath);
1870
1871     wxString strFile;
1872     wxChar *pc, *save_ptr;
1873     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1874           pc != NULL;
1875           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1876     {
1877         // search for the file in this directory
1878         strFile = pc;
1879         if ( !wxEndsWithPathSeparator(pc) )
1880             strFile += wxFILE_SEP_PATH;
1881         strFile += pszFile;
1882
1883         if ( FileExists(strFile) ) {
1884             *pStr = strFile;
1885             break;
1886         }
1887     }
1888
1889     // suppress warning about unused variable save_ptr when wxStrtok() is a
1890     // macro which throws away its third argument
1891     save_ptr = pc;
1892
1893     delete [] szPath;
1894
1895     return pc != NULL;  // if true => we breaked from the loop
1896 }
1897
1898 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1899                              wxString *pstrPath,
1900                              wxString *pstrName,
1901                              wxString *pstrExt)
1902 {
1903     // it can be empty, but it shouldn't be NULL
1904     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1905
1906     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1907 }
1908
1909 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1910 {
1911     wxStructStat buf;
1912
1913     wxStat(filename.fn_str(), &buf);
1914     return buf.st_mtime;
1915 }
1916
1917
1918 //------------------------------------------------------------------------
1919 // wild character routines
1920 //------------------------------------------------------------------------
1921
1922 bool wxIsWild( const wxString& pattern )
1923 {
1924   wxString tmp = pattern;
1925   wxChar *pat = WXSTRINGCAST(tmp);
1926     while (*pat) {
1927         switch (*pat++) {
1928         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1929             return TRUE;
1930         case wxT('\\'):
1931             if (!*pat++)
1932                 return FALSE;
1933         }
1934     }
1935     return FALSE;
1936 };
1937
1938 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1939
1940 #if defined(HAVE_FNMATCH_H)
1941 {
1942 // this probably won't work well for multibyte chars in Unicode mode?
1943    if(dot_special)
1944       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1945    else
1946       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1947 }
1948 #else
1949
1950 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1951
1952    /*
1953     * WARNING: this code is broken!
1954     */
1955 {
1956   wxString tmp1 = pat;
1957   wxChar *pattern = WXSTRINGCAST(tmp1);
1958   wxString tmp2 = text;
1959   wxChar *str = WXSTRINGCAST(tmp2);
1960     wxChar c;
1961     wxChar *cp;
1962     bool done = FALSE, ret_code, ok;
1963     // Below is for vi fans
1964     const wxChar OB = wxT('{'), CB = wxT('}');
1965
1966     // dot_special means '.' only matches '.'
1967     if (dot_special && *str == wxT('.') && *pattern != *str)
1968         return FALSE;
1969
1970     while ((*pattern != wxT('\0')) && (!done)
1971     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1972         switch (*pattern) {
1973         case wxT('\\'):
1974             pattern++;
1975             if (*pattern != wxT('\0'))
1976                 pattern++;
1977             break;
1978         case wxT('*'):
1979             pattern++;
1980             ret_code = FALSE;
1981             while ((*str!=wxT('\0'))
1982             && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1983                 /*loop*/;
1984             if (ret_code) {
1985                 while (*str != wxT('\0'))
1986                     str++;
1987                 while (*pattern != wxT('\0'))
1988                     pattern++;
1989             }
1990             break;
1991         case wxT('['):
1992             pattern++;
1993           repeat:
1994             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1995                 done = TRUE;
1996                 break;
1997             }
1998             if (*pattern == wxT('\\')) {
1999                 pattern++;
2000                 if (*pattern == wxT('\0')) {
2001                     done = TRUE;
2002                     break;
2003                 }
2004             }
2005             if (*(pattern + 1) == wxT('-')) {
2006                 c = *pattern;
2007                 pattern += 2;
2008                 if (*pattern == wxT(']')) {
2009                     done = TRUE;
2010                     break;
2011                 }
2012                 if (*pattern == wxT('\\')) {
2013                     pattern++;
2014                     if (*pattern == wxT('\0')) {
2015                         done = TRUE;
2016                         break;
2017                     }
2018                 }
2019                 if ((*str < c) || (*str > *pattern)) {
2020                     pattern++;
2021                     goto repeat;
2022                 }
2023             } else if (*pattern != *str) {
2024                 pattern++;
2025                 goto repeat;
2026             }
2027             pattern++;
2028             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
2029                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
2030                     pattern++;
2031                 pattern++;
2032             }
2033             if (*pattern != wxT('\0')) {
2034                 pattern++, str++;
2035             }
2036             break;
2037         case wxT('?'):
2038             pattern++;
2039             str++;
2040             break;
2041         case OB:
2042             pattern++;
2043             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2044                 cp = str;
2045                 ok = TRUE;
2046                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2047                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
2048                     if (*pattern == wxT('\\'))
2049                         pattern++;
2050                     ok = (*pattern++ == *cp++);
2051                 }
2052                 if (*pattern == wxT('\0')) {
2053                     ok = FALSE;
2054                     done = TRUE;
2055                     break;
2056                 } else if (ok) {
2057                     str = cp;
2058                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2059                         if (*++pattern == wxT('\\')) {
2060                             if (*++pattern == CB)
2061                                 pattern++;
2062                         }
2063                     }
2064                 } else {
2065                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2066                         if (*++pattern == wxT('\\')) {
2067                             if (*++pattern == CB || *pattern == wxT(','))
2068                                 pattern++;
2069                         }
2070                     }
2071                 }
2072                 if (*pattern != wxT('\0'))
2073                     pattern++;
2074             }
2075             break;
2076         default:
2077             if (*str == *pattern) {
2078                 str++, pattern++;
2079             } else {
2080                 done = TRUE;
2081             }
2082         }
2083     }
2084     while (*pattern == wxT('*'))
2085         pattern++;
2086     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2087 };
2088
2089 #endif
2090
2091 #ifdef __VISUALC__
2092     #pragma warning(default:4706)   // assignment within conditional expression
2093 #endif // VC++