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 #ifndef WX_PRECOMP
  33     #include "wx/defs.h"
  34 #endif
  35
  36 #include "wx/utils.h"
  37 #include "wx/intl.h"
  38
  39 // there are just too many of those...
  40 #ifdef __VISUALC__
  41     #pragma warning(disable:4706)   // assignment within conditional expression
  42 #endif // VC++
  43
  44 #include <ctype.h>
  45 #include <stdio.h>
  46 #include <stdlib.h>
  47 #include <string.h>
  48 #if !defined(__WATCOMC__)
  49     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  50         #include <errno.h>
  51     #endif
  52 #endif
  53
  54 #include <time.h>
  55
  56 #ifndef __MWERKS__
  57     #include <sys/types.h>
  58     #include <sys/stat.h>
  59 #else
  60     #include <stat.h>
  61     #include <unistd.h>
  62 #endif
  63
  64 #ifdef __UNIX__
  65     #include <unistd.h>
  66     #include <dirent.h>
  67 #endif
  68
  69 #ifdef __OS2__
  70     #include <direct.h>
  71     #include <process.h>
  72 #endif
  73 #ifdef __WINDOWS__
  74 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  75     #include <direct.h>
  76     #include <dos.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 #ifdef __WXMAC__
 118
 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 // ============================================================================
 134 // implementation
 135 // ============================================================================
 136
 137 void wxPathList::Add (const wxString& path)
 138 {
 139     wxStringList::Add (WXSTRINGCAST path);
 140 }
 141
 142 // Add paths e.g. from the PATH environment variable
 143 void wxPathList::AddEnvList (const wxString& envVariable)
 144 {
 145   static const wxChar PATH_TOKS[] =
 146 #ifdef __WINDOWS__
 147         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 148 #else
 149         wxT(" :;");
 150 #endif
 151
 152   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 153   if (val && *val)
 154     {
 155       wxChar *s = copystring (val);
 156       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 157
 158       if (token)
 159       {
 160           Add (copystring (token));
 161           while (token)
 162           {
 163               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 164                   Add (wxString(token));
 165           }
 166       }
 167
 168       // suppress warning about unused variable save_ptr when wxStrtok() is a
 169       // macro which throws away its third argument
 170       save_ptr = token;
 171
 172       delete [] s;
 173     }
 174 }
 175
 176 // Given a full filename (with path), ensure that that file can
 177 // be accessed again USING FILENAME ONLY by adding the path
 178 // to the list if not already there.
 179 void wxPathList::EnsureFileAccessible (const wxString& path)
 180 {
 181     wxString path_only(wxPathOnly(path));
 182     if ( !path_only.IsEmpty() )
 183     {
 184         if ( !Member(path_only) )
 185             Add(path_only);
 186     }
 187 }
 188
 189 bool wxPathList::Member (const wxString& path)
 190 {
 191   for (wxNode * node = First (); node != NULL; node = node->Next ())
 192   {
 193       wxString path2((wxChar *) node->Data ());
 194       if (
 195 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 196       // Case INDEPENDENT
 197           path.CompareTo (path2, wxString::ignoreCase) == 0
 198 #else
 199       // Case sensitive File System
 200           path.CompareTo (path2) == 0
 201 #endif
 202         )
 203         return TRUE;
 204   }
 205   return FALSE;
 206 }
 207
 208 wxString wxPathList::FindValidPath (const wxString& file)
 209 {
 210   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 211     return wxString(wxFileFunctionsBuffer);
 212
 213   wxChar buf[_MAXPATHLEN];
 214   wxStrcpy(buf, wxFileFunctionsBuffer);
 215
 216   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 217   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 218
 219   for (wxNode * node = First (); node; node = node->Next ())
 220     {
 221       wxChar *path = (wxChar *) node->Data ();
 222       wxStrcpy (wxFileFunctionsBuffer, path);
 223       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 224       if (ch != wxT('\\') && ch != wxT('/'))
 225         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 226       wxStrcat (wxFileFunctionsBuffer, filename);
 227 #ifdef __WINDOWS__
 228       Unix2DosFilename (wxFileFunctionsBuffer);
 229 #endif
 230       if (wxFileExists (wxFileFunctionsBuffer))
 231       {
 232         return wxString(wxFileFunctionsBuffer);        // Found!
 233       }
 234     }                                // for()
 235
 236   return wxString(wxT(""));                    // Not found
 237 }
 238
 239 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 240 {
 241     wxString f = FindValidPath(file);
 242     if ( wxIsAbsolutePath(f) )
 243         return f;
 244
 245     wxString buf;
 246     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 247     buf.UngetWriteBuf();
 248     if ( !wxEndsWithPathSeparator(buf) )
 249     {
 250         buf += wxFILE_SEP_PATH;
 251     }
 252     buf += f;
 253
 254     return buf;
 255 }
 256
 257 bool
 258 wxFileExists (const wxString& filename)
 259 {
 260 #ifdef __GNUWIN32__ // (fix a B20 bug)
 261   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 262     return FALSE;
 263   else
 264     return TRUE;
 265 #elif defined(__WXMAC__)
 266           struct stat stbuf;
 267         if (filename && stat (wxUnix2MacFilename(filename), &stbuf) == 0 )
 268           return TRUE;
 269     return FALSE ;
 270 #else
 271
 272 #ifdef __SALFORDC__
 273   struct _stat stbuf;
 274 #else
 275   struct stat stbuf;
 276 #endif
 277
 278   if ((filename != wxT("")) && stat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
 279     return TRUE;
 280   return FALSE;
 281 #endif
 282 }
 283
 284 /* Vadim's alternative implementation
 285
 286 // does the file exist?
 287 bool wxFileExists(const char *pszFileName)
 288 {
 289   struct stat st;
 290   return !access(pszFileName, 0) &&
 291          !stat(pszFileName, &st) &&
 292          (st.st_mode & S_IFREG);
 293 }
 294 */
 295
 296 bool
 297 wxIsAbsolutePath (const wxString& filename)
 298 {
 299   if (filename != wxT(""))
 300     {
 301       if (filename[0] == wxT('/')
 302 #ifdef __VMS__
 303       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 304 #endif
 305 #ifdef __WINDOWS__
 306       /* MSDOS */
 307       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 308 #endif
 309         )
 310         return TRUE;
 311     }
 312   return FALSE;
 313 }
 314
 315 /*
 316  * Strip off any extension (dot something) from end of file,
 317  * IF one exists. Inserts zero into buffer.
 318  *
 319  */
 320
 321 void wxStripExtension(wxChar *buffer)
 322 {
 323   int len = wxStrlen(buffer);
 324   int i = len-1;
 325   while (i > 0)
 326   {
 327     if (buffer[i] == wxT('.'))
 328     {
 329       buffer[i] = 0;
 330       break;
 331     }
 332     i --;
 333   }
 334 }
 335
 336 void wxStripExtension(wxString& buffer)
 337 {
 338   size_t len = buffer.Length();
 339   size_t i = len-1;
 340   while (i > 0)
 341   {
 342     if (buffer.GetChar(i) == wxT('.'))
 343     {
 344       buffer = buffer.Left(i);
 345       break;
 346     }
 347     i --;
 348   }
 349 }
 350
 351 // Destructive removal of /./ and /../ stuff
 352 wxChar *wxRealPath (wxChar *path)
 353 {
 354 #ifdef __WXMSW__
 355   static const wxChar SEP = wxT('\\');
 356   Unix2DosFilename(path);
 357 #else
 358   static const wxChar SEP = wxT('/');
 359 #endif
 360   if (path[0] && path[1]) {
 361     /* MATTHEW: special case "/./x" */
 362     wxChar *p;
 363     if (path[2] == SEP && path[1] == wxT('.'))
 364       p = &path[0];
 365     else
 366       p = &path[2];
 367     for (; *p; p++)
 368       {
 369         if (*p == SEP)
 370           {
 371             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 372               {
 373                 wxChar *q;
 374                 for (q = p - 1; q >= path && *q != SEP; q--);
 375                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 376                     && (q - 1 <= path || q[-1] != SEP))
 377                   {
 378                     wxStrcpy (q, p + 3);
 379                     if (path[0] == wxT('\0'))
 380                       {
 381                         path[0] = SEP;
 382                         path[1] = wxT('\0');
 383                       }
 384 #ifdef __WXMSW__
 385                     /* Check that path[2] is NULL! */
 386                     else if (path[1] == wxT(':') && !path[2])
 387                       {
 388                         path[2] = SEP;
 389                         path[3] = wxT('\0');
 390                       }
 391 #endif
 392                     p = q - 1;
 393                   }
 394               }
 395             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 396               wxStrcpy (p, p + 2);
 397           }
 398       }
 399   }
 400   return path;
 401 }
 402
 403 // Must be destroyed
 404 wxChar *wxCopyAbsolutePath(const wxString& filename)
 405 {
 406   if (filename == wxT(""))
 407     return (wxChar *) NULL;
 408
 409   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 410     wxChar  buf[_MAXPATHLEN];
 411     buf[0] = wxT('\0');
 412     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 413     wxChar ch = buf[wxStrlen(buf) - 1];
 414 #ifdef __WXMSW__
 415     if (ch != wxT('\\') && ch != wxT('/'))
 416         wxStrcat(buf, wxT("\\"));
 417 #else
 418     if (ch != wxT('/'))
 419         wxStrcat(buf, wxT("/"));
 420 #endif
 421     wxStrcat(buf, wxFileFunctionsBuffer);
 422     return copystring( wxRealPath(buf) );
 423   }
 424   return copystring( wxFileFunctionsBuffer );
 425 }
 426
 427 /*-
 428  Handles:
 429    ~/ => home dir
 430    ~user/ => user's home dir
 431    If the environment variable a = "foo" and b = "bar" then:
 432    Unix:
 433         $a        =>        foo
 434         $a$b        =>        foobar
 435         $a.c        =>        foo.c
 436         xxx$a        =>        xxxfoo
 437         ${a}!        =>        foo!
 438         $(b)!        =>        bar!
 439         \$a        =>        \$a
 440    MSDOS:
 441         $a        ==>        $a
 442         $(a)        ==>        foo
 443         $(a)$b        ==>        foo$b
 444         $(a)$(b)==>        foobar
 445         test.$$        ==>        test.$$
 446  */
 447
 448 /* input name in name, pathname output to buf. */
 449
 450 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 451 {
 452     register wxChar *d, *s, *nm;
 453     wxChar          lnm[_MAXPATHLEN];
 454     int                                q;
 455
 456     // Some compilers don't like this line.
 457 //    const wxChar    trimchars[] = wxT("\n \t");
 458
 459     wxChar      trimchars[4];
 460     trimchars[0] = wxT('\n');
 461     trimchars[1] = wxT(' ');
 462     trimchars[2] = wxT('\t');
 463     trimchars[3] = 0;
 464
 465 #ifdef __WXMSW__
 466      const wxChar     SEP = wxT('\\');
 467 #else
 468      const wxChar     SEP = wxT('/');
 469 #endif
 470     buf[0] = wxT('\0');
 471     if (name == NULL || *name == wxT('\0'))
 472         return buf;
 473     nm = copystring(name); // Make a scratch copy
 474     wxChar *nm_tmp = nm;
 475
 476     /* Skip leading whitespace and cr */
 477     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 478         nm++;
 479     /* And strip off trailing whitespace and cr */
 480     s = nm + (q = wxStrlen(nm)) - 1;
 481     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 482         *s = wxT('\0');
 483
 484     s = nm;
 485     d = lnm;
 486 #ifdef __WXMSW__
 487     q = FALSE;
 488 #else
 489     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 490 #endif
 491
 492     /* Expand inline environment variables */
 493 #ifdef __VISAGECPP__
 494     while (*d)
 495     {
 496       *d++ = *s;
 497       if(*s == wxT('\\'))
 498       {
 499         *(d - 1) = *++s;
 500         if (*d)
 501         {
 502           s++;
 503           continue;
 504         }
 505         else
 506            break;
 507       }
 508       else
 509 #else
 510     while ((*d++ = *s)) {
 511 #  ifndef __WXMSW__
 512         if (*s == wxT('\\')) {
 513             if ((*(d - 1) = *++s)) {
 514                 s++;
 515                 continue;
 516             } else
 517                 break;
 518         } else
 519 #  endif
 520 #endif
 521 #ifdef __WXMSW__
 522         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 523 #else
 524         if (*s++ == wxT('$'))
 525 #endif
 526         {
 527             register wxChar  *start = d;
 528             register int     braces = (*s == wxT('{') || *s == wxT('('));
 529             register wxChar  *value;
 530 #ifdef __VISAGECPP__
 531     // VA gives assignment in logical expr warning
 532             while (*d)
 533                *d++ = *s;
 534 #else
 535             while ((*d++ = *s))
 536 #endif
 537                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 538                     break;
 539                 else
 540                     s++;
 541             *--d = 0;
 542             value = wxGetenv(braces ? start + 1 : start);
 543             if (value) {
 544 #ifdef __VISAGECPP__
 545     // VA gives assignment in logical expr warning
 546                 for ((d = start - 1); (*d); *d++ = *value++);
 547 #else
 548                 for ((d = start - 1); (*d++ = *value++););
 549 #endif
 550                 d--;
 551                 if (braces && *s)
 552                     s++;
 553             }
 554         }
 555     }
 556
 557     /* Expand ~ and ~user */
 558     nm = lnm;
 559     s = wxT("");
 560     if (nm[0] == wxT('~') && !q)
 561     {
 562         /* prefix ~ */
 563         if (nm[1] == SEP || nm[1] == 0)
 564         {        /* ~/filename */
 565             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 566             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 567                 if (*++nm)
 568                     nm++;
 569             }
 570         } else
 571         {                /* ~user/filename */
 572             register wxChar  *nnm;
 573             register wxChar  *home;
 574             for (s = nm; *s && *s != SEP; s++);
 575             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 576             was_sep = (*s == SEP);
 577             nnm = *s ? s + 1 : s;
 578             *s = 0;
 579             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 580             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 581                if (was_sep) /* replace only if it was there: */
 582                    *s = SEP;
 583                 s = wxT("");
 584             } else {
 585                 nm = nnm;
 586                 s = home;
 587             }
 588         }
 589     }
 590
 591     d = buf;
 592     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 593         /* Copy home dir */
 594         while (wxT('\0') != (*d++ = *s++))
 595           /* loop */;
 596         // Handle root home
 597         if (d - 1 > buf && *(d - 2) != SEP)
 598           *(d - 1) = SEP;
 599     }
 600     s = nm;
 601 #ifdef __VISAGECPP__
 602     // VA gives assignment in logical expr warning
 603     while (*d)
 604        *d++ = *s++;
 605 #else
 606     while ((*d++ = *s++));
 607 #endif
 608     delete[] nm_tmp; // clean up alloc
 609     /* Now clean up the buffer */
 610     return wxRealPath(buf);
 611 }
 612
 613 /* Contract Paths to be build upon an environment variable
 614    component:
 615
 616    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 617
 618    The call wxExpandPath can convert these back!
 619  */
 620 wxChar *
 621 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 622 {
 623   static wxChar dest[_MAXPATHLEN];
 624
 625   if (filename == wxT(""))
 626     return (wxChar *) NULL;
 627
 628   wxStrcpy (dest, WXSTRINGCAST filename);
 629 #ifdef __WXMSW__
 630   Unix2DosFilename(dest);
 631 #endif
 632
 633   // Handle environment
 634   const wxChar *val = (const wxChar *) NULL;
 635   wxChar *tcp = (wxChar *) NULL;
 636   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 637      (tcp = wxStrstr (dest, val)) != NULL)
 638     {
 639         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 640         *tcp++ = wxT('$');
 641         *tcp++ = wxT('{');
 642         wxStrcpy (tcp, WXSTRINGCAST envname);
 643         wxStrcat (tcp, wxT("}"));
 644         wxStrcat (tcp, wxFileFunctionsBuffer);
 645     }
 646
 647   // Handle User's home (ignore root homes!)
 648   size_t len = 0;
 649   if ((val = wxGetUserHome (user)) != NULL &&
 650       (len = wxStrlen(val)) > 2 &&
 651       wxStrncmp(dest, val, len) == 0)
 652     {
 653       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 654       if (user != wxT(""))
 655              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 656 #ifdef __WXMSW__
 657 //      strcat(wxFileFunctionsBuffer, "\\");
 658 #else
 659 //      strcat(wxFileFunctionsBuffer, "/");
 660 #endif
 661       wxStrcat(wxFileFunctionsBuffer, dest + len);
 662       wxStrcpy (dest, wxFileFunctionsBuffer);
 663     }
 664
 665   return dest;
 666 }
 667
 668 // Return just the filename, not the path
 669 // (basename)
 670 wxChar *wxFileNameFromPath (wxChar *path)
 671 {
 672   if (path)
 673     {
 674       register wxChar *tcp;
 675
 676       tcp = path + wxStrlen (path);
 677       while (--tcp >= path)
 678         {
 679           if (*tcp == wxT('/') || *tcp == wxT('\\')
 680 #ifdef __VMS__
 681      || *tcp == wxT(':') || *tcp == wxT(']'))
 682 #else
 683      )
 684 #endif
 685             return tcp + 1;
 686         }                        /* while */
 687 #if defined(__WXMSW__) || defined(__WXPM__)
 688       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 689         return path + 2;
 690 #endif
 691     }
 692   return path;
 693 }
 694
 695 wxString wxFileNameFromPath (const wxString& path1)
 696 {
 697   if (path1 != wxT(""))
 698   {
 699
 700       wxChar *path = WXSTRINGCAST path1 ;
 701       register wxChar *tcp;
 702
 703       tcp = path + wxStrlen (path);
 704       while (--tcp >= path)
 705           {
 706             if (*tcp == wxT('/') || *tcp == wxT('\\')
 707 #ifdef __VMS__
 708         || *tcp == wxT(':') || *tcp == wxT(']'))
 709 #else
 710         )
 711 #endif
 712                 return wxString(tcp + 1);
 713             }                        /* while */
 714 #if defined(__WXMSW__) || defined(__WXPM__)
 715       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 716             return wxString(path + 2);
 717 #endif
 718     }
 719   // Yes, this should return the path, not an empty string, otherwise
 720   // we get "thing.txt" -> "".
 721   return path1;
 722 }
 723
 724 // Return just the directory, or NULL if no directory
 725 wxChar *
 726 wxPathOnly (wxChar *path)
 727 {
 728   if (path && *path)
 729     {
 730       static wxChar buf[_MAXPATHLEN];
 731
 732       // Local copy
 733       wxStrcpy (buf, path);
 734
 735       int l = wxStrlen(path);
 736       bool done = FALSE;
 737
 738       int i = l - 1;
 739
 740       // Search backward for a backward or forward slash
 741       while (!done && i > -1)
 742       {
 743         // ] is for VMS
 744         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 745         {
 746           done = TRUE;
 747 #ifdef __VMS__
 748           buf[i+1] = 0;
 749 #else
 750           buf[i] = 0;
 751 #endif
 752
 753           return buf;
 754         }
 755         else i --;
 756       }
 757
 758 #if defined(__WXMSW__) || defined(__WXPM__)
 759       // Try Drive specifier
 760       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 761         {
 762           // A:junk --> A:. (since A:.\junk Not A:\junk)
 763           buf[2] = wxT('.');
 764           buf[3] = wxT('\0');
 765           return buf;
 766         }
 767 #endif
 768     }
 769
 770   return (wxChar *) NULL;
 771 }
 772
 773 // Return just the directory, or NULL if no directory
 774 wxString wxPathOnly (const wxString& path)
 775 {
 776   if (path != wxT(""))
 777     {
 778       wxChar buf[_MAXPATHLEN];
 779
 780       // Local copy
 781       wxStrcpy (buf, WXSTRINGCAST path);
 782
 783       int l = path.Length();
 784       bool done = FALSE;
 785
 786       int i = l - 1;
 787
 788       // Search backward for a backward or forward slash
 789       while (!done && i > -1)
 790       {
 791         // ] is for VMS
 792         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 793         {
 794           done = TRUE;
 795 #ifdef __VMS__
 796           buf[i+1] = 0;
 797 #else
 798           buf[i] = 0;
 799 #endif
 800
 801           return wxString(buf);
 802         }
 803         else i --;
 804       }
 805
 806 #if defined(__WXMSW__) || defined(__WXPM__)
 807       // Try Drive specifier
 808       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 809         {
 810           // A:junk --> A:. (since A:.\junk Not A:\junk)
 811           buf[2] = wxT('.');
 812           buf[3] = wxT('\0');
 813           return wxString(buf);
 814         }
 815 #endif
 816     }
 817
 818   return wxString(wxT(""));
 819 }
 820
 821 // Utility for converting delimiters in DOS filenames to UNIX style
 822 // and back again - or we get nasty problems with delimiters.
 823 // Also, convert to lower case, since case is significant in UNIX.
 824
 825 #ifdef __WXMAC__
 826
 827 static char sMacFileNameConversion[ 1000 ] ;
 828
 829 wxString wxMac2UnixFilename (const char *str)
 830 {
 831         char *s = sMacFileNameConversion ;
 832         strcpy( s , str ) ;
 833   if (s)
 834   {
 835     memmove( s+1 , s ,strlen( s ) + 1) ;
 836     if ( *s == ':' )
 837             *s = '.' ;
 838     else
 839             *s = '/' ;
 840
 841     while (*s)
 842     {
 843             if (*s == ':')
 844               *s = '/';
 845             else
 846               *s = wxTolower (*s);        // Case INDEPENDENT
 847             s++;
 848     }
 849   }
 850   return wxString (sMacFileNameConversion) ;
 851 }
 852
 853 wxString wxUnix2MacFilename (const char *str)
 854 {
 855         char *s = sMacFileNameConversion ;
 856         strcpy( s , str ) ;
 857   if (s)
 858   {
 859     if ( *s == '.' )
 860     {
 861       // relative path , since it goes on with slash which is translated to a :
 862       memmove( s , s+1 ,strlen( s ) ) ;
 863     }
 864     else if ( *s == '/' )
 865     {
 866       // absolute path -> on mac just start with the drive name
 867       memmove( s , s+1 ,strlen( s ) ) ;
 868     }
 869     else
 870     {
 871       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 872     }
 873     while (*s)
 874     {
 875       if (*s == '/' || *s == '\\')
 876       {
 877         // convert any back-directory situations
 878         if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 879         {
 880           *s = ':';
 881                         memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 882         }
 883         else
 884           *s = ':';
 885       }
 886
 887       s++ ;
 888     }
 889   }
 890   return wxString (sMacFileNameConversion) ;
 891 }
 892
 893 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 894 {
 895         Handle  myPath ;
 896         short   length ;
 897
 898         FSpGetFullPath( spec , &length , &myPath ) ;
 899         ::SetHandleSize( myPath , length + 1 ) ;
 900         ::HLock( myPath ) ;
 901         (*myPath)[length] = 0 ;
 902         if ( length > 0 && (*myPath)[length-1] ==':' )
 903                 (*myPath)[length-1] = 0 ;
 904
 905         wxString result(        (char*) *myPath ) ;
 906         ::HUnlock( myPath ) ;
 907         ::DisposeHandle( myPath ) ;
 908         return result ;
 909 }
 910
 911 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 912 {
 913         return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 914 }
 915
 916 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 917 {
 918         FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 919 }
 920
 921 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 922 {
 923         wxString var = wxUnix2MacFilename( path ) ;
 924         wxMacFilename2FSSpec( var , spec ) ;
 925 }
 926
 927 #endif
 928 void
 929 wxDos2UnixFilename (char *s)
 930 {
 931   if (s)
 932     while (*s)
 933       {
 934         if (*s == '\\')
 935           *s = '/';
 936 #ifdef __WXMSW__
 937         else
 938           *s = wxTolower (*s);        // Case INDEPENDENT
 939 #endif
 940         s++;
 941       }
 942 }
 943
 944 void
 945 #if defined(__WXMSW__) || defined(__WXPM__)
 946 wxUnix2DosFilename (wxChar *s)
 947 #else
 948 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 949 #endif
 950 {
 951 // Yes, I really mean this to happen under DOS only! JACS
 952 #if defined(__WXMSW__) || defined(__WXPM__)
 953   if (s)
 954     while (*s)
 955       {
 956         if (*s == wxT('/'))
 957           *s = wxT('\\');
 958         s++;
 959       }
 960 #endif
 961 }
 962
 963 // Concatenate two files to form third
 964 bool
 965 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 966 {
 967   wxChar *outfile = wxGetTempFileName("cat");
 968
 969   FILE *fp1 = (FILE *) NULL;
 970   FILE *fp2 = (FILE *) NULL;
 971   FILE *fp3 = (FILE *) NULL;
 972   // Open the inputs and outputs
 973 #ifdef __WXMAC__
 974   if ((fp1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL ||
 975       (fp2 = fopen (wxUnix2MacFilename( file2 ), "rb")) == NULL ||
 976       (fp3 = fopen (wxUnix2MacFilename( outfile ), "wb")) == NULL)
 977 #else
 978   if ((fp1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL ||
 979       (fp2 = wxFopen (WXSTRINGCAST file2, wxT("rb"))) == NULL ||
 980       (fp3 = wxFopen (outfile, wxT("wb"))) == NULL)
 981 #endif
 982     {
 983       if (fp1)
 984         fclose (fp1);
 985       if (fp2)
 986         fclose (fp2);
 987       if (fp3)
 988         fclose (fp3);
 989       return FALSE;
 990     }
 991
 992   int ch;
 993   while ((ch = getc (fp1)) != EOF)
 994     (void) putc (ch, fp3);
 995   fclose (fp1);
 996
 997   while ((ch = getc (fp2)) != EOF)
 998     (void) putc (ch, fp3);
 999   fclose (fp2);
1000
1001   fclose (fp3);
1002   bool result = wxRenameFile(outfile, file3);
1003   delete[] outfile;
1004   return result;
1005 }
1006
1007 // Copy files
1008 bool
1009 wxCopyFile (const wxString& file1, const wxString& file2)
1010 {
1011   FILE *fd1;
1012   FILE *fd2;
1013   int ch;
1014
1015 #ifdef __WXMAC__
1016   if ((fd1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL)
1017     return FALSE;
1018   if ((fd2 = fopen (wxUnix2MacFilename( file2 ), "wb")) == NULL)
1019 #else
1020   if ((fd1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL)
1021     return FALSE;
1022   if ((fd2 = wxFopen (WXSTRINGCAST file2, wxT("wb"))) == NULL)
1023 #endif
1024     {
1025       fclose (fd1);
1026       return FALSE;
1027     }
1028
1029   while ((ch = getc (fd1)) != EOF)
1030     (void) putc (ch, fd2);
1031
1032   fclose (fd1);
1033   fclose (fd2);
1034   return TRUE;
1035 }
1036
1037 bool
1038 wxRenameFile (const wxString& file1, const wxString& file2)
1039 {
1040 #ifdef __WXMAC__
1041   if (0 == rename (wxUnix2MacFilename( file1 ), wxUnix2MacFilename( file2 )))
1042     return TRUE;
1043 #else
1044   // Normal system call
1045   if (0 == rename (wxFNSTRINGCAST file1.fn_str(), wxFNSTRINGCAST file2.fn_str()))
1046     return TRUE;
1047 #endif
1048   // Try to copy
1049   if (wxCopyFile(file1, file2)) {
1050     wxRemoveFile(file1);
1051     return TRUE;
1052   }
1053   // Give up
1054   return FALSE;
1055 }
1056
1057 bool wxRemoveFile(const wxString& file)
1058 {
1059 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1060   int flag = remove(wxFNSTRINGCAST file.fn_str());
1061 #elif defined( __WXMAC__ )
1062   int flag = unlink(wxUnix2MacFilename( file ));
1063 #else
1064   int flag = unlink(wxFNSTRINGCAST file.fn_str());
1065 #endif
1066   return (flag == 0) ;
1067 }
1068
1069 bool wxMkdir(const wxString& dir, int perm)
1070 {
1071 #if defined( __WXMAC__ )
1072   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1073 #else // !Mac
1074     const wxChar *dirname = dir.c_str();
1075
1076     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1077     // for the GNU compiler
1078 #if (!(defined(__WXMSW__) || defined(__OS2__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1079     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1080 #else  // !MSW and !OS/2 VAC++
1081     if ( mkdir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1082 #endif // !MSW/MSW
1083     {
1084         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1085
1086         return FALSE;
1087     }
1088
1089     return TRUE;
1090 #endif // Mac/!Mac
1091 }
1092
1093 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1094 {
1095 #ifdef __VMS__
1096   return FALSE; //to be changed since rmdir exists in VMS7.x
1097 #elif defined( __WXMAC__ )
1098   return (rmdir(wxUnix2MacFilename( dir )) == 0);
1099 #else
1100
1101 #ifdef __SALFORDC__
1102   return FALSE; // What to do?
1103 #else
1104   return (rmdir(wxFNSTRINGCAST dir.fn_str()) == 0);
1105 #endif
1106
1107 #endif
1108 }
1109
1110 #if 0
1111 bool wxDirExists(const wxString& dir)
1112 {
1113 #ifdef __VMS__
1114   return FALSE; //To be changed since stat exists in VMS7.x
1115 #elif !defined(__WXMSW__)
1116   struct stat sbuf;
1117   return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1118 #else
1119
1120   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1121 #if defined(__WIN32__)
1122   WIN32_FIND_DATA fileInfo;
1123 #else
1124 #ifdef __BORLANDC__
1125   struct ffblk fileInfo;
1126 #else
1127   struct find_t fileInfo;
1128 #endif
1129 #endif
1130
1131 #if defined(__WIN32__)
1132         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1133
1134         if (h==INVALID_HANDLE_VALUE)
1135          return FALSE;
1136         else {
1137          FindClose(h);
1138          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1139         }
1140 #else
1141   // In Borland findfirst has a different argument
1142   // ordering from _dos_findfirst. But _dos_findfirst
1143   // _should_ be ok in both MS and Borland... why not?
1144 #ifdef __BORLANDC__
1145   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1146 #else
1147   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1148 #endif
1149 #endif
1150
1151 #endif
1152 }
1153
1154 #endif
1155
1156 // does the path exists? (may have or not '/' or '\\' at the end)
1157 bool wxPathExists(const wxChar *pszPathName)
1158 {
1159   /* Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1160    * OTOH, we should change "d:" to "d:\" and leave "\" as is. */
1161   wxString strPath(pszPathName);
1162   if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != wxT('\0') )
1163     strPath.Last() = wxT('\0');
1164
1165 #ifdef __SALFORDC__
1166   struct _stat st;
1167 #else
1168   struct stat st;
1169 #endif
1170
1171   return stat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 && (st.st_mode & S_IFDIR);
1172 }
1173
1174 // Get a temporary filename, opening and closing the file.
1175 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1176 {
1177 #ifdef __WINDOWS__
1178
1179 #ifndef        __WIN32__
1180   wxChar tmp[144];
1181   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1182 #else
1183   wxChar tmp[MAX_PATH];
1184   wxChar tmpPath[MAX_PATH];
1185   ::GetTempPath(MAX_PATH, tmpPath);
1186   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1187 #endif
1188   if (buf) wxStrcpy(buf, tmp);
1189   else buf = copystring(tmp);
1190   return buf;
1191
1192 #else
1193   static short last_temp = 0;        // cache last to speed things a bit
1194   // At most 1000 temp files to a process! We use a ring count.
1195   wxChar tmp[100]; // FIXME static buffer
1196
1197   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1198     {
1199       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1200       if (!wxFileExists( tmp ))
1201         {
1202           // Touch the file to create it (reserve name)
1203           FILE *fd = fopen (wxFNCONV(tmp), "w");
1204           if (fd)
1205             fclose (fd);
1206           last_temp = suffix;
1207           if (buf)
1208             wxStrcpy( buf, tmp);
1209           else
1210             buf = copystring( tmp );
1211           return buf;
1212         }
1213     }
1214   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1215   if (buf) buf[0] = 0;
1216   return (wxChar *) NULL;
1217 #endif
1218 }
1219
1220 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1221 {
1222     wxChar buf2[512];
1223     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1224     {
1225         buf = buf2;
1226         return TRUE;
1227     }
1228     else
1229         return FALSE;
1230 }
1231
1232 // Get first file name matching given wild card.
1233
1234 #ifdef __UNIX__
1235
1236 // Get first file name matching given wild card.
1237 // Flags are reserved for future use.
1238
1239 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1240     static DIR *gs_dirStream = (DIR *) NULL;
1241     static wxString gs_strFileSpec;
1242     static int gs_findFlags = 0;
1243 #endif
1244
1245 wxString wxFindFirstFile(const wxChar *spec, int flags)
1246 {
1247     wxString result;
1248
1249 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1250     if (gs_dirStream)
1251         closedir(gs_dirStream); // edz 941103: better housekeping
1252
1253     gs_findFlags = flags;
1254
1255     gs_strFileSpec = spec;
1256
1257     // Find path only so we can concatenate
1258     // found file onto path
1259     wxString path(wxPathOnly(gs_strFileSpec));
1260
1261     // special case: path is really "/"
1262     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1263         path = wxT('/');
1264     // path is empty => Local directory
1265     if ( !path )
1266         path = wxT('.');
1267
1268     gs_dirStream = opendir(path.fn_str());
1269     if ( !gs_dirStream )
1270     {
1271         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1272                       path.c_str());
1273     }
1274     else
1275     {
1276         result = wxFindNextFile();
1277     }
1278 #endif // !VMS6.x or earlier
1279
1280     return result;
1281 }
1282
1283 wxString wxFindNextFile()
1284 {
1285     wxString result;
1286
1287 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1288     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1289
1290     // Find path only so we can concatenate
1291     // found file onto path
1292     wxString path(wxPathOnly(gs_strFileSpec));
1293     wxString name(wxFileNameFromPath(gs_strFileSpec));
1294
1295     /* MATTHEW: special case: path is really "/" */
1296     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1297         path = wxT('/');
1298
1299     // Do the reading
1300     struct dirent *nextDir;
1301     for ( nextDir = readdir(gs_dirStream);
1302           nextDir != NULL;
1303           nextDir = readdir(gs_dirStream) )
1304     {
1305         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1306             strcmp(nextDir->d_name, ".") &&
1307             strcmp(nextDir->d_name, "..") )
1308         {
1309             result.Empty();
1310             if ( !path.IsEmpty() )
1311             {
1312                 result = path;
1313                 if ( path != wxT('/') )
1314                     result += wxT('/');
1315             }
1316
1317             result += nextDir->d_name;
1318
1319             // Only return "." and ".." when they match
1320             bool isdir;
1321             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1322                  (strcmp(nextDir->d_name, "..") == 0))
1323             {
1324                 if ( (gs_findFlags & wxDIR) != 0 )
1325                     isdir = TRUE;
1326                 else
1327                     continue;
1328             }
1329             else
1330                 isdir = wxDirExists(result);
1331
1332             // and only return directories when flags & wxDIR
1333             if ( !gs_findFlags ||
1334                  ((gs_findFlags & wxDIR) && isdir) ||
1335                  ((gs_findFlags & wxFILE) && !isdir) )
1336             {
1337                 return result;
1338             }
1339         }
1340     }
1341
1342     result.Empty(); // not found
1343
1344     closedir(gs_dirStream);
1345     gs_dirStream = (DIR *) NULL;
1346 #endif // !VMS6.2 or earlier
1347
1348     return result;
1349 }
1350
1351 #elif defined(__WXMAC__)
1352
1353 struct MacDirectoryIterator
1354 {
1355         CInfoPBRec                      m_CPB ;
1356         wxInt16                         m_index ;
1357         long                            m_dirId ;
1358         Str255                          m_name ;
1359 } ;
1360
1361 static int g_iter_flags ;
1362
1363 static MacDirectoryIterator g_iter ;
1364
1365 wxString wxFindFirstFile(const wxChar *spec, int flags)
1366 {
1367     wxString result;
1368
1369     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1370
1371     // Find path only so we can concatenate found file onto path
1372     wxString path(wxPathOnly(spec));
1373     if ( !path.IsEmpty() )
1374         result << path << wxT('\\');
1375
1376         FSSpec fsspec ;
1377
1378         wxUnixFilename2FSSpec( result , &fsspec ) ;
1379         g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1380         g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1381         g_iter.m_index = 0 ;
1382
1383         Boolean isDir ;
1384         FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1385         if ( !isDir )
1386                 return wxEmptyString ;
1387
1388         return wxFindNextFile( ) ;
1389 }
1390
1391 wxString wxFindNextFile()
1392 {
1393     wxString result;
1394
1395         short err = noErr ;
1396
1397         while ( err == noErr )
1398         {
1399                 g_iter.m_index++ ;
1400                 g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1401                 g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;        /* we need to do this every time */
1402                 err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1403                 if ( err != noErr )
1404                         break ;
1405
1406                 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1407                         break ;
1408
1409                 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1410                         continue ;
1411
1412                 // hit !
1413                 break ;
1414         }
1415         if ( err != noErr )
1416         {
1417                 return wxEmptyString ;
1418         }
1419         FSSpec spec ;
1420
1421         FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1422                                                                    g_iter.m_dirId,
1423                                                                    g_iter.m_name,
1424                                                                    &spec) ;
1425
1426         return wxMacFSSpec2UnixFilename( &spec ) ;
1427 }
1428
1429 #elif defined(__WXMSW__)
1430
1431 #ifdef __WIN32__
1432     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1433     static WIN32_FIND_DATA gs_findDataStruct;
1434 #else // Win16
1435     #ifdef __BORLANDC__
1436         static struct ffblk gs_findDataStruct;
1437     #else
1438         static struct _find_t gs_findDataStruct;
1439     #endif // Borland
1440 #endif // Win32/16
1441
1442 static wxString gs_strFileSpec;
1443 static int gs_findFlags = 0;
1444
1445 wxString wxFindFirstFile(const wxChar *spec, int flags)
1446 {
1447     wxString result;
1448
1449     gs_strFileSpec = spec;
1450     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1451
1452     // Find path only so we can concatenate found file onto path
1453     wxString path(wxPathOnly(gs_strFileSpec));
1454     if ( !path.IsEmpty() )
1455         result << path << wxT('\\');
1456
1457 #ifdef __WIN32__
1458     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1459         FindClose(gs_hFileStruct);
1460
1461     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1462
1463     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1464     {
1465         result.Empty();
1466
1467         return result;
1468     }
1469
1470     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1471
1472     if (isdir && !(flags & wxDIR))
1473         return wxFindNextFile();
1474     else if (!isdir && flags && !(flags & wxFILE))
1475         return wxFindNextFile();
1476
1477     result += gs_findDataStruct.cFileName;
1478
1479     return result;
1480 #else
1481     int flag = _A_NORMAL;
1482     if (flags & wxDIR) /* MATTHEW: [5] Use & */
1483         flag = _A_SUBDIR;
1484
1485 #ifdef __BORLANDC__
1486     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1487 #else
1488         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1489 #endif
1490         {
1491             /* MATTHEW: [5] Check directory flag */
1492             char attrib;
1493
1494 #ifdef __BORLANDC__
1495             attrib = gs_findDataStruct.ff_attrib;
1496 #else
1497             attrib = gs_findDataStruct.attrib;
1498 #endif
1499
1500             if (attrib & _A_SUBDIR) {
1501                 if (!(gs_findFlags & wxDIR))
1502                     return wxFindNextFile();
1503             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1504                 return wxFindNextFile();
1505
1506             result +=
1507 #ifdef __BORLANDC__
1508                     gs_findDataStruct.ff_name
1509 #else
1510                     gs_findDataStruct.name
1511 #endif
1512                     ;
1513         }
1514 #endif // __WIN32__
1515
1516     return result;
1517 }
1518
1519 wxString wxFindNextFile()
1520 {
1521     wxString result;
1522
1523     // Find path only so we can concatenate found file onto path
1524     wxString path(wxPathOnly(gs_strFileSpec));
1525
1526 try_again:
1527
1528 #ifdef __WIN32__
1529     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1530         return result;
1531
1532     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1533     if (!success)
1534     {
1535         FindClose(gs_hFileStruct);
1536         gs_hFileStruct = INVALID_HANDLE_VALUE;
1537     }
1538     else
1539     {
1540         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1541
1542         if (isdir && !(gs_findFlags & wxDIR))
1543             goto try_again;
1544         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1545             goto try_again;
1546
1547         if ( !path.IsEmpty() )
1548             result << path << wxT('\\');
1549         result << gs_findDataStruct.cFileName;
1550     }
1551
1552     return result;
1553 #else // Win16
1554
1555 #ifdef __BORLANDC__
1556     if (findnext(&gs_findDataStruct) == 0)
1557 #else
1558         if (_dos_findnext(&gs_findDataStruct) == 0)
1559 #endif
1560         {
1561             /* MATTHEW: [5] Check directory flag */
1562             char attrib;
1563
1564 #ifdef __BORLANDC__
1565             attrib = gs_findDataStruct.ff_attrib;
1566 #else
1567             attrib = gs_findDataStruct.attrib;
1568 #endif
1569
1570             if (attrib & _A_SUBDIR) {
1571                 if (!(gs_findFlags & wxDIR))
1572                     goto try_again;
1573             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1574                 goto try_again;
1575
1576
1577             result +=
1578 #ifdef __BORLANDC__
1579                       gs_findDataStruct.ff_name
1580 #else
1581                       gs_findDataStruct.name
1582 #endif
1583                       ;
1584         }
1585 #endif // Win32/16
1586
1587     return result;
1588 }
1589
1590 #endif // Unix/Windows
1591
1592 // Get current working directory.
1593 // If buf is NULL, allocates space using new, else
1594 // copies into buf.
1595 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1596 {
1597   if (!buf)
1598     buf = new wxChar[sz+1];
1599 #if wxUSE_UNICODE
1600   char *cbuf = new char[sz+1];
1601 #ifdef _MSC_VER
1602   if (_getcwd(cbuf, sz) == NULL) {
1603 #elif defined( __WXMAC__)
1604         enum
1605         {
1606                 SFSaveDisk = 0x214, CurDirStore = 0x398
1607         };
1608         FSSpec cwdSpec ;
1609
1610         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1611         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1612         strcpy( buf , res ) ;
1613         if (0) {
1614 #else
1615   if (getcwd(cbuf, sz) == NULL) {
1616 #endif
1617     delete [] cbuf;
1618 #else // wxUnicode
1619 #ifdef _MSC_VER
1620   if (_getcwd(buf, sz) == NULL) {
1621 #elif defined( __WXMAC__)
1622         enum
1623         {
1624                 SFSaveDisk = 0x214, CurDirStore = 0x398
1625         };
1626         FSSpec cwdSpec ;
1627
1628         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1629         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1630         strcpy( buf , res ) ;
1631         if (0) {
1632 #else
1633   if (getcwd(buf, sz) == NULL) {
1634 #endif
1635 #endif
1636     buf[0] = wxT('.');
1637     buf[1] = wxT('\0');
1638   }
1639 #if wxUSE_UNICODE
1640   else {
1641     wxConvFile.MB2WC(buf, cbuf, sz);
1642     delete [] cbuf;
1643   }
1644 #endif
1645   return buf;
1646 }
1647
1648 wxString wxGetCwd()
1649 {
1650     static const size_t maxPathLen = 1024;
1651
1652     wxString str;
1653     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1654     str.UngetWriteBuf();
1655
1656     return str;
1657 }
1658
1659 bool wxSetWorkingDirectory(const wxString& d)
1660 {
1661 #if defined( __UNIX__ ) || defined( __WXMAC__ ) || defined(__WXPM__)
1662   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1663 #elif defined(__WINDOWS__)
1664
1665 #ifdef __WIN32__
1666   return (bool)(SetCurrentDirectory(d) != 0);
1667 #else
1668   // Must change drive, too.
1669   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1670   if (isDriveSpec)
1671   {
1672     wxChar firstChar = d[0];
1673
1674     // To upper case
1675     if (firstChar > 90)
1676       firstChar = firstChar - 32;
1677
1678     // To a drive number
1679     unsigned int driveNo = firstChar - 64;
1680     if (driveNo > 0)
1681     {
1682        unsigned int noDrives;
1683        _dos_setdrive(driveNo, &noDrives);
1684     }
1685   }
1686   bool success = (chdir(WXSTRINGCAST d) == 0);
1687
1688   return success;
1689 #endif
1690
1691 #endif
1692 }
1693
1694 // Get the OS directory if appropriate (such as the Windows directory).
1695 // On non-Windows platform, probably just return the empty string.
1696 wxString wxGetOSDirectory()
1697 {
1698 #ifdef __WINDOWS__
1699     wxChar buf[256];
1700     GetWindowsDirectory(buf, 256);
1701     return wxString(buf);
1702 #else
1703     return wxEmptyString;
1704 #endif
1705 }
1706
1707 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1708 {
1709   size_t len = wxStrlen(pszFileName);
1710   if ( len == 0 )
1711     return FALSE;
1712   else
1713     return wxIsPathSeparator(pszFileName[len - 1]);
1714 }
1715
1716 // find a file in a list of directories, returns false if not found
1717 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1718 {
1719     // we assume that it's not empty
1720     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1721             _("empty file name in wxFindFileInPath"));
1722
1723     // skip path separator in the beginning of the file name if present
1724     if ( wxIsPathSeparator(*pszFile) )
1725         pszFile++;
1726
1727     // copy the path (strtok will modify it)
1728     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1729     wxStrcpy(szPath, pszPath);
1730
1731     wxString strFile;
1732     wxChar *pc, *save_ptr;
1733     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1734           pc != NULL;
1735           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1736     {
1737         // search for the file in this directory
1738         strFile = pc;
1739         if ( !wxEndsWithPathSeparator(pc) )
1740             strFile += wxFILE_SEP_PATH;
1741         strFile += pszFile;
1742
1743         if ( FileExists(strFile) ) {
1744             *pStr = strFile;
1745             break;
1746         }
1747     }
1748
1749     // suppress warning about unused variable save_ptr when wxStrtok() is a
1750     // macro which throws away its third argument
1751     save_ptr = pc;
1752
1753     delete [] szPath;
1754
1755     return pc != NULL;  // if true => we breaked from the loop
1756 }
1757
1758 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1759                              wxString *pstrPath,
1760                              wxString *pstrName,
1761                              wxString *pstrExt)
1762 {
1763     // it can be empty, but it shouldn't be NULL
1764     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1765
1766     const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1767
1768 #ifdef __WXMSW__
1769     // under Windows we understand both separators
1770     const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1771     const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1772     const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1773 #else // assume Unix
1774     const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1775
1776     if ( pDot == pszFileName )
1777     {
1778         // under Unix files like .profile are treated in a special way
1779         pDot = NULL;
1780     }
1781 #endif // MSW/Unix
1782
1783     if ( pDot < pLastSeparator )
1784     {
1785         // the dot is part of the path, not the start of the extension
1786         pDot = NULL;
1787     }
1788
1789     if ( pstrPath )
1790     {
1791         if ( pLastSeparator )
1792             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1793         else
1794             pstrPath->Empty();
1795     }
1796
1797     if ( pstrName )
1798     {
1799         const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1800         const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1801
1802         *pstrName = wxString(start, end - start);
1803     }
1804
1805     if ( pstrExt )
1806     {
1807         if ( pDot )
1808             *pstrExt = wxString(pDot + 1);
1809         else
1810             pstrExt->Empty();
1811     }
1812 }
1813
1814
1815
1816 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1817 {
1818     struct stat buf;
1819
1820     stat(filename.fn_str(), &buf);
1821     return buf.st_mtime;
1822 }
1823
1824
1825 //------------------------------------------------------------------------
1826 // wild character routines
1827 //------------------------------------------------------------------------
1828
1829 bool wxIsWild( const wxString& pattern )
1830 {
1831   wxString tmp = pattern;
1832   wxChar *pat = WXSTRINGCAST(tmp);
1833     while (*pat) {
1834         switch (*pat++) {
1835         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1836             return TRUE;
1837         case wxT('\\'):
1838             if (!*pat++)
1839                 return FALSE;
1840         }
1841     }
1842     return FALSE;
1843 };
1844
1845 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1846
1847 #if defined(HAVE_FNMATCH_H)
1848 {
1849 // this probably won't work well for multibyte chars in Unicode mode?
1850    if(dot_special)
1851       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1852    else
1853       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1854 }
1855 #else
1856
1857 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1858
1859    /*
1860     * WARNING: this code is broken!
1861     */
1862 {
1863   wxString tmp1 = pat;
1864   wxChar *pattern = WXSTRINGCAST(tmp1);
1865   wxString tmp2 = text;
1866   wxChar *str = WXSTRINGCAST(tmp2);
1867     wxChar c;
1868     wxChar *cp;
1869     bool done = FALSE, ret_code, ok;
1870     // Below is for vi fans
1871     const wxChar OB = wxT('{'), CB = wxT('}');
1872
1873     // dot_special means '.' only matches '.'
1874     if (dot_special && *str == wxT('.') && *pattern != *str)
1875         return FALSE;
1876
1877     while ((*pattern != wxT('\0')) && (!done)
1878     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1879         switch (*pattern) {
1880         case wxT('\\'):
1881             pattern++;
1882             if (*pattern != wxT('\0'))
1883                 pattern++;
1884             break;
1885         case wxT('*'):
1886             pattern++;
1887             ret_code = FALSE;
1888             while ((*str!=wxT('\0'))
1889             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1890                 /*loop*/;
1891             if (ret_code) {
1892                 while (*str != wxT('\0'))
1893                     str++;
1894                 while (*pattern != wxT('\0'))
1895                     pattern++;
1896             }
1897             break;
1898         case wxT('['):
1899             pattern++;
1900           repeat:
1901             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1902                 done = TRUE;
1903                 break;
1904             }
1905             if (*pattern == wxT('\\')) {
1906                 pattern++;
1907                 if (*pattern == wxT('\0')) {
1908                     done = TRUE;
1909                     break;
1910                 }
1911             }
1912             if (*(pattern + 1) == wxT('-')) {
1913                 c = *pattern;
1914                 pattern += 2;
1915                 if (*pattern == wxT(']')) {
1916                     done = TRUE;
1917                     break;
1918                 }
1919                 if (*pattern == wxT('\\')) {
1920                     pattern++;
1921                     if (*pattern == wxT('\0')) {
1922                         done = TRUE;
1923                         break;
1924                     }
1925                 }
1926                 if ((*str < c) || (*str > *pattern)) {
1927                     pattern++;
1928                     goto repeat;
1929                 }
1930             } else if (*pattern != *str) {
1931                 pattern++;
1932                 goto repeat;
1933             }
1934             pattern++;
1935             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1936                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1937                     pattern++;
1938                 pattern++;
1939             }
1940             if (*pattern != wxT('\0')) {
1941                 pattern++, str++;
1942             }
1943             break;
1944         case wxT('?'):
1945             pattern++;
1946             str++;
1947             break;
1948         case OB:
1949             pattern++;
1950             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1951                 cp = str;
1952                 ok = TRUE;
1953                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1954                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1955                     if (*pattern == wxT('\\'))
1956                         pattern++;
1957                     ok = (*pattern++ == *cp++);
1958                 }
1959                 if (*pattern == wxT('\0')) {
1960                     ok = FALSE;
1961                     done = TRUE;
1962                     break;
1963                 } else if (ok) {
1964                     str = cp;
1965                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1966                         if (*++pattern == wxT('\\')) {
1967                             if (*++pattern == CB)
1968                                 pattern++;
1969                         }
1970                     }
1971                 } else {
1972                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1973                         if (*++pattern == wxT('\\')) {
1974                             if (*++pattern == CB || *pattern == wxT(','))
1975                                 pattern++;
1976                         }
1977                     }
1978                 }
1979                 if (*pattern != wxT('\0'))
1980                     pattern++;
1981             }
1982             break;
1983         default:
1984             if (*str == *pattern) {
1985                 str++, pattern++;
1986             } else {
1987                 done = TRUE;
1988             }
1989         }
1990     }
1991     while (*pattern == wxT('*'))
1992         pattern++;
1993     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1994 };
1995
1996 #endif
1997
1998 #ifdef __VISUALC__
1999     #pragma warning(default:4706)   // assignment within conditional expression
2000 #endif // VC++