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