src/common/filefn.cpp

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