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