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 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
  73 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  74     #include <direct.h>
  75     #include <dos.h>
  76     #include <io.h>
  77 #endif // __WINDOWS__
  78 #endif // native Win compiler
  79
  80 #ifdef __GNUWIN32__
  81     #include <wchar.h>
  82     #ifndef __TWIN32__
  83         #include <sys/unistd.h>
  84     #endif
  85 #endif
  86
  87 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  88                     // this (3.1 I believe) and how to test for it.
  89                     // If this works for Borland 4.0 as well, then no worries.
  90     #include <dir.h>
  91 #endif
  92
  93 #ifdef __SALFORDC__
  94     #include <dir.h>
  95     #include <unix.h>
  96 #endif
  97
  98 #include "wx/setup.h"
  99 #include "wx/log.h"
 100
 101 // No, Cygwin doesn't appear to have fnmatch.h after all.
 102 #if defined(HAVE_FNMATCH_H)
 103     #include "fnmatch.h"
 104 #endif
 105
 106 #ifdef __WINDOWS__
 107     #include <windows.h>
 108 #endif
 109
 110 // ----------------------------------------------------------------------------
 111 // constants
 112 // ----------------------------------------------------------------------------
 113
 114 #define _MAXPATHLEN 500
 115
 116 extern wxChar *wxBuffer;
 117
 118 #ifdef __WXMAC__
 119 #    include "MoreFiles.h"
 120 #    include "MoreFilesExtras.h"
 121 #    include "FullPath.h"
 122 #    include "FSpCompat.h"
 123 #endif
 124
 125 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 126
 127 // ----------------------------------------------------------------------------
 128 // private globals
 129 // ----------------------------------------------------------------------------
 130
 131 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 132
 133 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 134 //
 135 // VisualAge C++ V4.0 cannot have any external linkage const decs
 136 // in headers included by more than one primary source
 137 //
 138 const off_t wxInvalidOffset = (off_t)-1;
 139 #endif
 140
 141 // ----------------------------------------------------------------------------
 142 // macros
 143 // ----------------------------------------------------------------------------
 144
 145 // we need to translate Mac filenames before passing them to OS functions
 146 #define OS_FILENAME(s) (s.fn_str())
 147
 148 // ============================================================================
 149 // implementation
 150 // ============================================================================
 151
 152 void wxPathList::Add (const wxString& path)
 153 {
 154     wxStringList::Add (WXSTRINGCAST path);
 155 }
 156
 157 // Add paths e.g. from the PATH environment variable
 158 void wxPathList::AddEnvList (const wxString& envVariable)
 159 {
 160   static const wxChar PATH_TOKS[] =
 161 #ifdef __WINDOWS__
 162         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 163 #else
 164         wxT(" :;");
 165 #endif
 166
 167   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 168   if (val && *val)
 169     {
 170       wxChar *s = copystring (val);
 171       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 172
 173       if (token)
 174       {
 175           Add (copystring (token));
 176           while (token)
 177           {
 178               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 179                   Add (wxString(token));
 180           }
 181       }
 182
 183       // suppress warning about unused variable save_ptr when wxStrtok() is a
 184       // macro which throws away its third argument
 185       save_ptr = token;
 186
 187       delete [] s;
 188     }
 189 }
 190
 191 // Given a full filename (with path), ensure that that file can
 192 // be accessed again USING FILENAME ONLY by adding the path
 193 // to the list if not already there.
 194 void wxPathList::EnsureFileAccessible (const wxString& path)
 195 {
 196     wxString path_only(wxPathOnly(path));
 197     if ( !path_only.IsEmpty() )
 198     {
 199         if ( !Member(path_only) )
 200             Add(path_only);
 201     }
 202 }
 203
 204 bool wxPathList::Member (const wxString& path)
 205 {
 206   for (wxNode * node = First (); node != NULL; node = node->Next ())
 207   {
 208       wxString path2((wxChar *) node->Data ());
 209       if (
 210 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 211       // Case INDEPENDENT
 212           path.CompareTo (path2, wxString::ignoreCase) == 0
 213 #else
 214       // Case sensitive File System
 215           path.CompareTo (path2) == 0
 216 #endif
 217         )
 218         return TRUE;
 219   }
 220   return FALSE;
 221 }
 222
 223 wxString wxPathList::FindValidPath (const wxString& file)
 224 {
 225   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 226     return wxString(wxFileFunctionsBuffer);
 227
 228   wxChar buf[_MAXPATHLEN];
 229   wxStrcpy(buf, wxFileFunctionsBuffer);
 230
 231   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 232   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 233
 234   for (wxNode * node = First (); node; node = node->Next ())
 235     {
 236       wxChar *path = (wxChar *) node->Data ();
 237       wxStrcpy (wxFileFunctionsBuffer, path);
 238       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 239       if (ch != wxT('\\') && ch != wxT('/'))
 240         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 241       wxStrcat (wxFileFunctionsBuffer, filename);
 242 #ifdef __WINDOWS__
 243       Unix2DosFilename (wxFileFunctionsBuffer);
 244 #endif
 245       if (wxFileExists (wxFileFunctionsBuffer))
 246       {
 247         return wxString(wxFileFunctionsBuffer);        // Found!
 248       }
 249     }                                // for()
 250
 251   return wxString(wxT(""));                    // Not found
 252 }
 253
 254 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 255 {
 256     wxString f = FindValidPath(file);
 257     if ( wxIsAbsolutePath(f) )
 258         return f;
 259
 260     wxString buf;
 261     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 262     buf.UngetWriteBuf();
 263     if ( !wxEndsWithPathSeparator(buf) )
 264     {
 265         buf += wxFILE_SEP_PATH;
 266     }
 267     buf += f;
 268
 269     return buf;
 270 }
 271
 272 bool
 273 wxFileExists (const wxString& filename)
 274 {
 275 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
 276     // GetFileAttributes can copy with network paths
 277     DWORD ret = GetFileAttributes(filename);
 278     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
 279     return ((ret != 0xffffffff) && (isDir == 0));
 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 defined(__WXMAC__) && !defined(__DARWIN__)
 295         // Classic or Carbon CodeWarrior like
 296         // Carbon with Apple DevTools is Unix like
 297
 298         // This seems wrong to me, but there is no fix. since
 299         // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
 300         // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
 301         if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
 302             return TRUE ;
 303 #else
 304         // Unix like or Windows
 305         if (filename[0] == wxT('/'))
 306             return TRUE;
 307 #endif
 308 #ifdef __VMS__
 309         if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
 310             return TRUE;
 311 #endif
 312 #ifdef __WINDOWS__
 313         // MSDOS like
 314         if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
 315             return TRUE;
 316 #endif
 317     }
 318     return FALSE ;
 319 }
 320
 321 /*
 322  * Strip off any extension (dot something) from end of file,
 323  * IF one exists. Inserts zero into buffer.
 324  *
 325  */
 326
 327 void wxStripExtension(wxChar *buffer)
 328 {
 329   int len = wxStrlen(buffer);
 330   int i = len-1;
 331   while (i > 0)
 332   {
 333     if (buffer[i] == wxT('.'))
 334     {
 335       buffer[i] = 0;
 336       break;
 337     }
 338     i --;
 339   }
 340 }
 341
 342 void wxStripExtension(wxString& buffer)
 343 {
 344   size_t len = buffer.Length();
 345   size_t i = len-1;
 346   while (i > 0)
 347   {
 348     if (buffer.GetChar(i) == wxT('.'))
 349     {
 350       buffer = buffer.Left(i);
 351       break;
 352     }
 353     i --;
 354   }
 355 }
 356
 357 // Destructive removal of /./ and /../ stuff
 358 wxChar *wxRealPath (wxChar *path)
 359 {
 360 #ifdef __WXMSW__
 361   static const wxChar SEP = wxT('\\');
 362   Unix2DosFilename(path);
 363 #else
 364   static const wxChar SEP = wxT('/');
 365 #endif
 366   if (path[0] && path[1]) {
 367     /* MATTHEW: special case "/./x" */
 368     wxChar *p;
 369     if (path[2] == SEP && path[1] == wxT('.'))
 370       p = &path[0];
 371     else
 372       p = &path[2];
 373     for (; *p; p++)
 374       {
 375         if (*p == SEP)
 376           {
 377             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 378               {
 379                 wxChar *q;
 380                 for (q = p - 1; q >= path && *q != SEP; q--);
 381                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 382                     && (q - 1 <= path || q[-1] != SEP))
 383                   {
 384                     wxStrcpy (q, p + 3);
 385                     if (path[0] == wxT('\0'))
 386                       {
 387                         path[0] = SEP;
 388                         path[1] = wxT('\0');
 389                       }
 390 #ifdef __WXMSW__
 391                     /* Check that path[2] is NULL! */
 392                     else if (path[1] == wxT(':') && !path[2])
 393                       {
 394                         path[2] = SEP;
 395                         path[3] = wxT('\0');
 396                       }
 397 #endif
 398                     p = q - 1;
 399                   }
 400               }
 401             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 402               wxStrcpy (p, p + 2);
 403           }
 404       }
 405   }
 406   return path;
 407 }
 408
 409 // Must be destroyed
 410 wxChar *wxCopyAbsolutePath(const wxString& filename)
 411 {
 412   if (filename == wxT(""))
 413     return (wxChar *) NULL;
 414
 415   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 416     wxChar  buf[_MAXPATHLEN];
 417     buf[0] = wxT('\0');
 418     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 419     wxChar ch = buf[wxStrlen(buf) - 1];
 420 #ifdef __WXMSW__
 421     if (ch != wxT('\\') && ch != wxT('/'))
 422         wxStrcat(buf, wxT("\\"));
 423 #else
 424     if (ch != wxT('/'))
 425         wxStrcat(buf, wxT("/"));
 426 #endif
 427     wxStrcat(buf, wxFileFunctionsBuffer);
 428     return copystring( wxRealPath(buf) );
 429   }
 430   return copystring( wxFileFunctionsBuffer );
 431 }
 432
 433 /*-
 434  Handles:
 435    ~/ => home dir
 436    ~user/ => user's home dir
 437    If the environment variable a = "foo" and b = "bar" then:
 438    Unix:
 439         $a        =>        foo
 440         $a$b        =>        foobar
 441         $a.c        =>        foo.c
 442         xxx$a        =>        xxxfoo
 443         ${a}!        =>        foo!
 444         $(b)!        =>        bar!
 445         \$a        =>        \$a
 446    MSDOS:
 447         $a        ==>        $a
 448         $(a)        ==>        foo
 449         $(a)$b        ==>        foo$b
 450         $(a)$(b)==>        foobar
 451         test.$$        ==>        test.$$
 452  */
 453
 454 /* input name in name, pathname output to buf. */
 455
 456 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 457 {
 458     register wxChar *d, *s, *nm;
 459     wxChar          lnm[_MAXPATHLEN];
 460     int             q;
 461
 462     // Some compilers don't like this line.
 463 //    const wxChar    trimchars[] = wxT("\n \t");
 464
 465     wxChar      trimchars[4];
 466     trimchars[0] = wxT('\n');
 467     trimchars[1] = wxT(' ');
 468     trimchars[2] = wxT('\t');
 469     trimchars[3] = 0;
 470
 471 #ifdef __WXMSW__
 472      const wxChar     SEP = wxT('\\');
 473 #else
 474      const wxChar     SEP = wxT('/');
 475 #endif
 476     buf[0] = wxT('\0');
 477     if (name == NULL || *name == wxT('\0'))
 478         return buf;
 479     nm = copystring(name); // Make a scratch copy
 480     wxChar *nm_tmp = nm;
 481
 482     /* Skip leading whitespace and cr */
 483     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 484         nm++;
 485     /* And strip off trailing whitespace and cr */
 486     s = nm + (q = wxStrlen(nm)) - 1;
 487     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 488         *s = wxT('\0');
 489
 490     s = nm;
 491     d = lnm;
 492 #ifdef __WXMSW__
 493     q = FALSE;
 494 #else
 495     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 496 #endif
 497
 498     /* Expand inline environment variables */
 499 #ifdef __VISAGECPP__
 500     while (*d)
 501     {
 502       *d++ = *s;
 503       if(*s == wxT('\\'))
 504       {
 505         *(d - 1) = *++s;
 506         if (*d)
 507         {
 508           s++;
 509           continue;
 510         }
 511         else
 512            break;
 513       }
 514       else
 515 #else
 516     while ((*d++ = *s) != 0) {
 517 #  ifndef __WXMSW__
 518         if (*s == wxT('\\')) {
 519             if ((*(d - 1) = *++s)) {
 520                 s++;
 521                 continue;
 522             } else
 523                 break;
 524         } else
 525 #  endif
 526 #endif
 527 #ifdef __WXMSW__
 528         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 529 #else
 530         if (*s++ == wxT('$'))
 531 #endif
 532         {
 533             register wxChar  *start = d;
 534             register int     braces = (*s == wxT('{') || *s == wxT('('));
 535             register wxChar  *value;
 536             while ((*d++ = *s) != 0)
 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                 for ((d = start - 1); (*d++ = *value++) != 0;);
 545                 d--;
 546                 if (braces && *s)
 547                     s++;
 548             }
 549         }
 550     }
 551
 552     /* Expand ~ and ~user */
 553     nm = lnm;
 554     s = wxT("");
 555     if (nm[0] == wxT('~') && !q)
 556     {
 557         /* prefix ~ */
 558         if (nm[1] == SEP || nm[1] == 0)
 559         {        /* ~/filename */
 560         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 561             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 562                 if (*++nm)
 563                     nm++;
 564             }
 565         } else
 566         {                /* ~user/filename */
 567             register wxChar  *nnm;
 568             register wxChar  *home;
 569             for (s = nm; *s && *s != SEP; s++);
 570             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 571             was_sep = (*s == SEP);
 572             nnm = *s ? s + 1 : s;
 573             *s = 0;
 574         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 575             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 576                if (was_sep) /* replace only if it was there: */
 577                    *s = SEP;
 578                 s = wxT("");
 579             } else {
 580                 nm = nnm;
 581                 s = home;
 582             }
 583         }
 584     }
 585
 586     d = buf;
 587     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 588         /* Copy home dir */
 589         while (wxT('\0') != (*d++ = *s++))
 590           /* loop */;
 591         // Handle root home
 592         if (d - 1 > buf && *(d - 2) != SEP)
 593           *(d - 1) = SEP;
 594     }
 595     s = nm;
 596     while ((*d++ = *s++) != 0);
 597     delete[] nm_tmp; // clean up alloc
 598     /* Now clean up the buffer */
 599     return wxRealPath(buf);
 600 }
 601
 602 /* Contract Paths to be build upon an environment variable
 603    component:
 604
 605    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 606
 607    The call wxExpandPath can convert these back!
 608  */
 609 wxChar *
 610 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 611 {
 612   static wxChar dest[_MAXPATHLEN];
 613
 614   if (filename == wxT(""))
 615     return (wxChar *) NULL;
 616
 617   wxStrcpy (dest, WXSTRINGCAST filename);
 618 #ifdef __WXMSW__
 619   Unix2DosFilename(dest);
 620 #endif
 621
 622   // Handle environment
 623   const wxChar *val = (const wxChar *) NULL;
 624   wxChar *tcp = (wxChar *) NULL;
 625   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 626      (tcp = wxStrstr (dest, val)) != NULL)
 627     {
 628         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 629         *tcp++ = wxT('$');
 630         *tcp++ = wxT('{');
 631         wxStrcpy (tcp, WXSTRINGCAST envname);
 632         wxStrcat (tcp, wxT("}"));
 633         wxStrcat (tcp, wxFileFunctionsBuffer);
 634     }
 635
 636   // Handle User's home (ignore root homes!)
 637   size_t len = 0;
 638   if ((val = wxGetUserHome (user)) != NULL &&
 639       (len = wxStrlen(val)) > 2 &&
 640       wxStrncmp(dest, val, len) == 0)
 641     {
 642       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 643       if (user != wxT(""))
 644              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 645 #ifdef __WXMSW__
 646 //      strcat(wxFileFunctionsBuffer, "\\");
 647 #else
 648 //      strcat(wxFileFunctionsBuffer, "/");
 649 #endif
 650       wxStrcat(wxFileFunctionsBuffer, dest + len);
 651       wxStrcpy (dest, wxFileFunctionsBuffer);
 652     }
 653
 654   return dest;
 655 }
 656
 657 // Return just the filename, not the path
 658 // (basename)
 659 wxChar *wxFileNameFromPath (wxChar *path)
 660 {
 661     if (path)
 662     {
 663         register wxChar *tcp;
 664
 665         tcp = path + wxStrlen (path);
 666         while (--tcp >= path)
 667         {
 668 #if defined(__WXMAC__) && !defined(__DARWIN__)
 669             // Classic or Carbon CodeWarrior like
 670             // Carbon with Apple DevTools is Unix like
 671             if (*tcp == wxT(':'))
 672                 return tcp + 1;
 673 #else
 674             // Unix like or Windows
 675             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 676                 return tcp + 1;
 677 #endif
 678 #ifdef __VMS__
 679             if (*tcp == wxT(':') || *tcp == wxT(']'))
 680                 return tcp + 1;
 681 #endif
 682         } /* while */
 683 #if defined(__WXMSW__) || defined(__WXPM__)
 684         // MSDOS like
 685         if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 686             return path + 2;
 687 #endif
 688     }
 689     return path;
 690 }
 691
 692 wxString wxFileNameFromPath (const wxString& path1)
 693 {
 694     if (path1 != wxT(""))
 695     {
 696         wxChar *path = WXSTRINGCAST path1 ;
 697         register wxChar *tcp;
 698
 699         tcp = path + wxStrlen (path);
 700         while (--tcp >= path)
 701         {
 702 #if defined(__WXMAC__) && !defined(__DARWIN__)
 703             // Classic or Carbon CodeWarrior like
 704             // Carbon with Apple DevTools is Unix like
 705             if (*tcp == wxT(':') )
 706                 return wxString(tcp + 1);
 707 #else
 708             // Unix like or Windows
 709             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 710                 return wxString(tcp + 1);
 711 #endif
 712 #ifdef __VMS__
 713             if (*tcp == wxT(':') || *tcp == wxT(']'))
 714                 return wxString(tcp + 1);
 715 #endif
 716         } /* while */
 717 #if defined(__WXMSW__) || defined(__WXPM__)
 718         // MSDOS like
 719         if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 720             return wxString(path + 2);
 721 #endif
 722     }
 723     // Yes, this should return the path, not an empty string, otherwise
 724     // we get "thing.txt" -> "".
 725     return path1;
 726 }
 727
 728 // Return just the directory, or NULL if no directory
 729 wxChar *
 730 wxPathOnly (wxChar *path)
 731 {
 732     if (path && *path)
 733     {
 734         static wxChar buf[_MAXPATHLEN];
 735
 736         // Local copy
 737         wxStrcpy (buf, path);
 738
 739         int l = wxStrlen(path);
 740         int i = l - 1;
 741
 742         // Search backward for a backward or forward slash
 743         while (i > -1)
 744         {
 745 #if defined(__WXMAC__) && !defined(__DARWIN__)
 746             // Classic or Carbon CodeWarrior like
 747             // Carbon with Apple DevTools is Unix like
 748             if (path[i] == wxT(':') )
 749             {
 750                 buf[i] = 0;
 751                 return buf;
 752             }
 753 #else
 754             // Unix like or Windows
 755             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 756             {
 757                 buf[i] = 0;
 758                 return buf;
 759             }
 760 #endif
 761 #ifdef __VMS__
 762             if (path[i] == wxT(']'))
 763             {
 764                 buf[i+1] = 0;
 765                 return buf;
 766             }
 767 #endif
 768             i --;
 769         }
 770
 771 #if defined(__WXMSW__) || defined(__WXPM__)
 772         // Try Drive specifier
 773         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 774         {
 775             // A:junk --> A:. (since A:.\junk Not A:\junk)
 776             buf[2] = wxT('.');
 777             buf[3] = wxT('\0');
 778             return buf;
 779         }
 780 #endif
 781     }
 782     return (wxChar *) NULL;
 783 }
 784
 785 // Return just the directory, or NULL if no directory
 786 wxString wxPathOnly (const wxString& path)
 787 {
 788     if (path != wxT(""))
 789     {
 790         wxChar buf[_MAXPATHLEN];
 791
 792         // Local copy
 793         wxStrcpy (buf, WXSTRINGCAST path);
 794
 795         int l = path.Length();
 796         int i = l - 1;
 797
 798         // Search backward for a backward or forward slash
 799         while (i > -1)
 800         {
 801 #if defined(__WXMAC__) && !defined(__DARWIN__)
 802             // Classic or Carbon CodeWarrior like
 803             // Carbon with Apple DevTools is Unix like
 804             if (path[i] == wxT(':') )
 805             {
 806                 buf[i] = 0;
 807                 return wxString(buf);
 808             }
 809 #else
 810             // Unix like or Windows
 811             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 812             {
 813                 buf[i] = 0;
 814                 return wxString(buf);
 815             }
 816 #endif
 817 #ifdef __VMS__
 818             if (path[i] == wxT(']'))
 819             {
 820                 buf[i+1] = 0;
 821                 return wxString(buf);
 822             }
 823 #endif
 824             i --;
 825         }
 826
 827 #if defined(__WXMSW__) || defined(__WXPM__)
 828         // Try Drive specifier
 829         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 830         {
 831             // A:junk --> A:. (since A:.\junk Not A:\junk)
 832             buf[2] = wxT('.');
 833             buf[3] = wxT('\0');
 834             return wxString(buf);
 835         }
 836 #endif
 837     }
 838     return wxString(wxT(""));
 839 }
 840
 841 // Utility for converting delimiters in DOS filenames to UNIX style
 842 // and back again - or we get nasty problems with delimiters.
 843 // Also, convert to lower case, since case is significant in UNIX.
 844
 845 #if defined(__WXMAC__)
 846 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 847 {
 848 #ifdef __DARWIN__
 849     FSRef theRef;
 850     char  thePath[FILENAME_MAX];
 851
 852     // convert the FSSpec to an FSRef
 853     (void) FSpMakeFSRef( spec, &theRef );
 854     // get the POSIX path associated with the FSRef
 855     (void) FSRefMakePath( &theRef, (UInt8 *)thePath, sizeof(thePath) );
 856
 857     // create path string for return value
 858     wxString result( thePath ) ;
 859 #else
 860     Handle    myPath ;
 861     short     length ;
 862
 863     // get length of path and allocate handle
 864     FSpGetFullPath( spec , &length , &myPath ) ;
 865     ::SetHandleSize( myPath , length + 1 ) ;
 866     ::HLock( myPath ) ;
 867     (*myPath)[length] = 0 ;
 868     if ((length > 0) && ((*myPath)[length-1] == ':'))
 869         (*myPath)[length-1] = 0 ;
 870
 871     // create path string for return value
 872     wxString result( (char*) *myPath ) ;
 873
 874     // free allocated handle
 875     ::HUnlock( myPath ) ;
 876     ::DisposeHandle( myPath ) ;
 877 #endif
 878
 879     return result ;
 880 }
 881
 882 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 883 {
 884 #ifdef __DARWIN__
 885     FSRef theRef;
 886
 887     // get the FSRef associated with the POSIX path
 888     (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
 889     // convert the FSRef to an FSSpec
 890     (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
 891 #else
 892     FSpLocationFromFullPath( strlen(path) , path , spec ) ;
 893 #endif
 894 }
 895
 896 #ifndef __DARWIN__
 897 // Mac file names are POSIX (Unix style) under Darwin
 898 // therefore the conversion functions below are not needed
 899
 900 static char sMacFileNameConversion[ 1000 ] ;
 901
 902 wxString wxMac2UnixFilename (const char *str)
 903 {
 904     char *s = sMacFileNameConversion ;
 905     strcpy( s , str ) ;
 906     if (s)
 907     {
 908         memmove( s+1 , s ,strlen( s ) + 1) ;
 909         if ( *s == ':' )
 910             *s = '.' ;
 911         else
 912             *s = '/' ;
 913
 914         while (*s)
 915         {
 916             if (*s == ':')
 917                 *s = '/';
 918             else
 919                 *s = wxTolower(*s);        // Case INDEPENDENT
 920             s++;
 921         }
 922     }
 923     return wxString(sMacFileNameConversion) ;
 924 }
 925
 926 wxString wxUnix2MacFilename (const char *str)
 927 {
 928     char *s = sMacFileNameConversion ;
 929     strcpy( s , str ) ;
 930     if (s)
 931     {
 932         if ( *s == '.' )
 933         {
 934             // relative path , since it goes on with slash which is translated to a :
 935             memmove( s , s+1 ,strlen( s ) ) ;
 936         }
 937         else if ( *s == '/' )
 938         {
 939             // absolute path -> on mac just start with the drive name
 940             memmove( s , s+1 ,strlen( s ) ) ;
 941         }
 942         else
 943         {
 944             wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 945         }
 946         while (*s)
 947         {
 948             if (*s == '/' || *s == '\\')
 949             {
 950                 // convert any back-directory situations
 951                 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 952                 {
 953                     *s = ':';
 954                     memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 955                 }
 956                 else
 957                     *s = ':';
 958             }
 959             s++ ;
 960         }
 961     }
 962     return wxString (sMacFileNameConversion) ;
 963 }
 964
 965 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 966 {
 967     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 968 }
 969
 970 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 971 {
 972     wxString var = wxUnix2MacFilename( path ) ;
 973     wxMacFilename2FSSpec( var , spec ) ;
 974 }
 975 #endif // ! __DARWIN__
 976
 977 #endif // __WXMAC__
 978
 979 void
 980 wxDos2UnixFilename (char *s)
 981 {
 982   if (s)
 983     while (*s)
 984       {
 985         if (*s == '\\')
 986           *s = '/';
 987 #ifdef __WXMSW__
 988         else
 989           *s = wxTolower (*s);        // Case INDEPENDENT
 990 #endif
 991         s++;
 992       }
 993 }
 994
 995 void
 996 #if defined(__WXMSW__) || defined(__WXPM__)
 997 wxUnix2DosFilename (wxChar *s)
 998 #else
 999 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1000 #endif
1001 {
1002 // Yes, I really mean this to happen under DOS only! JACS
1003 #if defined(__WXMSW__) || defined(__WXPM__)
1004   if (s)
1005     while (*s)
1006       {
1007         if (*s == wxT('/'))
1008           *s = wxT('\\');
1009         s++;
1010       }
1011 #endif
1012 }
1013
1014 // Concatenate two files to form third
1015 bool
1016 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1017 {
1018   wxString outfile;
1019   if ( !wxGetTempFileName("cat", outfile) )
1020       return FALSE;
1021
1022   FILE *fp1 = (FILE *) NULL;
1023   FILE *fp2 = (FILE *) NULL;
1024   FILE *fp3 = (FILE *) NULL;
1025   // Open the inputs and outputs
1026   if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1027       (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1028       (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1029     {
1030       if (fp1)
1031         fclose (fp1);
1032       if (fp2)
1033         fclose (fp2);
1034       if (fp3)
1035         fclose (fp3);
1036       return FALSE;
1037     }
1038
1039   int ch;
1040   while ((ch = getc (fp1)) != EOF)
1041     (void) putc (ch, fp3);
1042   fclose (fp1);
1043
1044   while ((ch = getc (fp2)) != EOF)
1045     (void) putc (ch, fp3);
1046   fclose (fp2);
1047
1048   fclose (fp3);
1049   bool result = wxRenameFile(outfile, file3);
1050   return result;
1051 }
1052
1053 // Copy files
1054 bool
1055 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1056 {
1057 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1058     // CopyFile() copies file attributes and modification time too, so use it
1059     // instead of our code if available
1060     //
1061     // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1062     return ::CopyFile(file1, file2, !overwrite) != 0;
1063 #elif defined(__WXPM__)
1064     if (::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) == 0)
1065         return TRUE;
1066     else
1067         return FALSE;
1068 #else // !Win32
1069     wxStructStat fbuf;
1070
1071     // get permissions of file1
1072     if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1073     {
1074         // the file probably doesn't exist or we haven't the rights to read
1075         // from it anyhow
1076         wxLogSysError(_("Impossible to get permissions for file '%s'"),
1077                       file1.c_str());
1078         return FALSE;
1079     }
1080
1081     // open file1 for reading
1082     wxFile fileIn(file1, wxFile::read);
1083     if ( !fileIn.IsOpened() )
1084         return FALSE;
1085
1086     // remove file2, if it exists. This is needed for creating
1087     // file2 with the correct permissions in the next step
1088     if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
1089     {
1090         wxLogSysError(_("Impossible to overwrite the file '%s'"),
1091                       file2.c_str());
1092         return FALSE;
1093     }
1094
1095 #ifdef __UNIX__
1096     // reset the umask as we want to create the file with exactly the same
1097     // permissions as the original one
1098     mode_t oldUmask = umask( 0 );
1099 #endif // __UNIX__
1100
1101     // create file2 with the same permissions than file1 and open it for
1102     // writing
1103     wxFile fileOut;
1104     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1105         return FALSE;
1106
1107 #ifdef __UNIX__
1108     /// restore the old umask
1109     umask(oldUmask);
1110 #endif // __UNIX__
1111
1112     // copy contents of file1 to file2
1113     char buf[4096];
1114     size_t count;
1115     for ( ;; )
1116     {
1117         count = fileIn.Read(buf, WXSIZEOF(buf));
1118         if ( fileIn.Error() )
1119             return FALSE;
1120
1121         // end of file?
1122         if ( !count )
1123             break;
1124
1125         if ( fileOut.Write(buf, count) < count )
1126             return FALSE;
1127     }
1128
1129     // we can expect fileIn to be closed successfully, but we should ensure
1130     // that fileOut was closed as some write errors (disk full) might not be
1131     // detected before doing this
1132     if ( !fileIn.Close() || !fileOut.Close() )
1133         return FALSE;
1134
1135 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1136     // no chmod in VA.  Should be some permission API for HPFS386 partitions
1137     // however
1138     if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1139     {
1140         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1141                       file2.c_str());
1142         return FALSE;
1143     }
1144 #endif // OS/2 || Mac
1145
1146     return TRUE;
1147 #endif // __WXMSW__ && __WIN32__
1148 }
1149
1150 bool
1151 wxRenameFile (const wxString& file1, const wxString& file2)
1152 {
1153   // Normal system call
1154   if ( wxRename (file1, file2) == 0 )
1155     return TRUE;
1156
1157   // Try to copy
1158   if (wxCopyFile(file1, file2)) {
1159     wxRemoveFile(file1);
1160     return TRUE;
1161   }
1162   // Give up
1163   return FALSE;
1164 }
1165
1166 bool wxRemoveFile(const wxString& file)
1167 {
1168 #if defined(__VISUALC__) \
1169  || defined(__BORLANDC__) \
1170  || defined(__WATCOMC__) \
1171  || defined(__GNUWIN32__)
1172   int res = wxRemove(file);
1173 #else
1174   int res = unlink(OS_FILENAME(file));
1175 #endif
1176
1177   return res == 0;
1178 }
1179
1180 bool wxMkdir(const wxString& dir, int perm)
1181 {
1182 #if defined(__WXMAC__) && !defined(__UNIX__)
1183   return (mkdir( dir , 0 ) == 0);
1184 #else // !Mac
1185     const wxChar *dirname = dir.c_str();
1186
1187     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1188     // for the GNU compiler
1189 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1190     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1191 #elif defined(__WXPM__)
1192     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1193 #else  // !MSW and !OS/2 VAC++
1194     (void)perm;
1195     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1196 #endif // !MSW/MSW
1197     {
1198         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1199
1200         return FALSE;
1201     }
1202
1203     return TRUE;
1204 #endif // Mac/!Mac
1205 }
1206
1207 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1208 {
1209 #ifdef __VMS__
1210   return FALSE; //to be changed since rmdir exists in VMS7.x
1211 #elif defined(__WXPM__)
1212   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1213 #else
1214
1215 #ifdef __SALFORDC__
1216   return FALSE; // What to do?
1217 #else
1218   return (wxRmDir(OS_FILENAME(dir)) == 0);
1219 #endif
1220
1221 #endif
1222 }
1223
1224 // does the path exists? (may have or not '/' or '\\' at the end)
1225 bool wxPathExists(const wxChar *pszPathName)
1226 {
1227     wxString strPath(pszPathName);
1228 #ifdef __WINDOWS__
1229     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1230     // so remove all trailing backslashes from the path - but don't do this for
1231     // the pathes "d:\" (which are different from "d:") nor for just "\"
1232     while ( wxEndsWithPathSeparator(strPath) )
1233     {
1234         size_t len = strPath.length();
1235         if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1236             break;
1237
1238         strPath.Truncate(len - 1);
1239     }
1240 #endif // __WINDOWS__
1241
1242 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1243     // Stat can't cope with network paths
1244     DWORD ret = GetFileAttributes(strPath.c_str());
1245     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
1246     return ((ret != 0xffffffff) && (isDir != 0));
1247 #else
1248
1249     wxStructStat st;
1250 #ifndef __VISAGECPP__
1251     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1252         ((st.st_mode & S_IFMT) == S_IFDIR);
1253 #else
1254     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1255     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1256         (st.st_mode == S_IFDIR);
1257 #endif
1258
1259 #endif
1260 }
1261
1262 // Get a temporary filename, opening and closing the file.
1263 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1264 {
1265     wxString filename = wxFileName::CreateTempFileName(prefix);
1266     if ( filename.empty() )
1267         return NULL;
1268
1269     if ( buf )
1270         wxStrcpy(buf, filename);
1271     else
1272         buf = copystring(filename);
1273
1274     return buf;
1275 }
1276
1277 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1278 {
1279     buf = wxFileName::CreateTempFileName(prefix);
1280
1281     return !buf.empty();
1282 }
1283
1284 // Get first file name matching given wild card.
1285
1286 #if defined(__UNIX__)
1287
1288 // Get first file name matching given wild card.
1289 // Flags are reserved for future use.
1290
1291 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1292     static DIR *gs_dirStream = (DIR *) NULL;
1293     static wxString gs_strFileSpec;
1294     static int gs_findFlags = 0;
1295 #endif
1296
1297 wxString wxFindFirstFile(const wxChar *spec, int flags)
1298 {
1299     wxString result;
1300 #ifdef __VMS
1301    wxChar *specvms = NULL;
1302 #endif
1303
1304 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1305     if (gs_dirStream)
1306         closedir(gs_dirStream); // edz 941103: better housekeping
1307
1308     gs_findFlags = flags;
1309
1310     gs_strFileSpec = spec;
1311
1312     // Find path only so we can concatenate
1313     // found file onto path
1314     wxString path(wxPathOnly(gs_strFileSpec));
1315
1316     // special case: path is really "/"
1317     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1318 #ifdef __VMS
1319      {
1320         wxStrcpy( specvms , wxT( "[000000]" ) );
1321         gs_strFileSpec = specvms;
1322         wxString path_vms(wxPathOnly(gs_strFileSpec));
1323         path = path_vms;
1324      }
1325 #else
1326      path = wxT('/');
1327 #endif
1328    // path is empty => Local directory
1329     if ( !path )
1330 #ifdef __VMS
1331      {
1332         wxStrcpy( specvms , wxT( "[]" ) );
1333         gs_strFileSpec = specvms;
1334         wxString path_vms1(wxPathOnly(gs_strFileSpec));
1335         path = path_vms1;
1336      }
1337 #else
1338      path = wxT('.');
1339 #endif
1340
1341     gs_dirStream = opendir(path.fn_str());
1342     if ( !gs_dirStream )
1343     {
1344         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1345                       path.c_str());
1346     }
1347     else
1348     {
1349         result = wxFindNextFile();
1350     }
1351 #endif // !VMS6.x or earlier
1352
1353     return result;
1354 }
1355
1356 wxString wxFindNextFile()
1357 {
1358     wxString result;
1359
1360 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1361     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1362
1363     // Find path only so we can concatenate
1364     // found file onto path
1365     wxString path(wxPathOnly(gs_strFileSpec));
1366     wxString name(wxFileNameFromPath(gs_strFileSpec));
1367
1368     /* MATTHEW: special case: path is really "/" */
1369     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1370         path = wxT('/');
1371
1372     // Do the reading
1373     struct dirent *nextDir;
1374     for ( nextDir = readdir(gs_dirStream);
1375           nextDir != NULL;
1376           nextDir = readdir(gs_dirStream) )
1377     {
1378         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1379         strcmp(nextDir->d_name, ".") &&
1380         strcmp(nextDir->d_name, "..") )
1381         {
1382             result.Empty();
1383             if ( !path.IsEmpty() )
1384             {
1385                 result = path;
1386                 if ( path != wxT('/') )
1387                     result += wxT('/');
1388             }
1389
1390             result += nextDir->d_name;
1391
1392             // Only return "." and ".." when they match
1393             bool isdir;
1394             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1395                  (strcmp(nextDir->d_name, "..") == 0))
1396             {
1397                 if ( (gs_findFlags & wxDIR) != 0 )
1398                     isdir = TRUE;
1399                 else
1400                     continue;
1401             }
1402             else
1403                 isdir = wxDirExists(result);
1404
1405             // and only return directories when flags & wxDIR
1406             if ( !gs_findFlags ||
1407                  ((gs_findFlags & wxDIR) && isdir) ||
1408                  ((gs_findFlags & wxFILE) && !isdir) )
1409             {
1410                 return result;
1411             }
1412         }
1413     }
1414
1415     result.Empty(); // not found
1416
1417     closedir(gs_dirStream);
1418     gs_dirStream = (DIR *) NULL;
1419 #endif // !VMS6.2 or earlier
1420
1421     return result;
1422 }
1423
1424 #elif defined(__WXMAC__)
1425
1426 struct MacDirectoryIterator
1427 {
1428     CInfoPBRec            m_CPB ;
1429     wxInt16                m_index ;
1430     long                m_dirId ;
1431     Str255                m_name ;
1432 } ;
1433
1434 static int g_iter_flags ;
1435
1436 static MacDirectoryIterator g_iter ;
1437 wxString g_iter_spec ;
1438
1439 wxString wxFindFirstFile(const wxChar *spec, int flags)
1440 {
1441     wxString result;
1442
1443     g_iter_spec = spec ;
1444     g_iter_spec.MakeUpper() ;
1445     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1446
1447     // Find path only so we can concatenate found file onto path
1448     wxString path(wxPathOnly(spec));
1449     FSSpec fsspec ;
1450
1451     wxMacFilename2FSSpec( path , &fsspec ) ;
1452     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1453     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1454     g_iter.m_index = 0 ;
1455
1456     Boolean isDir ;
1457     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1458     if ( !isDir )
1459         return wxEmptyString ;
1460
1461     return wxFindNextFile( ) ;
1462 }
1463
1464 wxString wxFindNextFile()
1465 {
1466     wxString result;
1467
1468     short err = noErr ;
1469     wxString name ;
1470
1471     while(1)
1472     {
1473       while ( err == noErr )
1474       {
1475           g_iter.m_index++ ;
1476           g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1477           g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1478           err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1479           if ( err != noErr )
1480               break ;
1481
1482           if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1483               break ;
1484
1485           if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1486               continue ;
1487
1488           // hit !
1489           break ;
1490       }
1491       if ( err != noErr )
1492       {
1493           return wxEmptyString ;
1494       }
1495       FSSpec spec ;
1496
1497       FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1498                                      g_iter.m_dirId,
1499                                      g_iter.m_name,
1500                                      &spec) ;
1501
1502       wxString name = wxMacFSSpec2MacFilename( &spec ) ;
1503       if ( g_iter_spec.Right(4)==(":*.*") || g_iter_spec.Right(2)==(":*") || name.Upper().Matches(g_iter_spec) )
1504         return name ;
1505     }
1506     return wxEmptyString ;
1507 }
1508
1509 #elif defined(__WXMSW__)
1510
1511 #ifdef __WIN32__
1512     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1513     static WIN32_FIND_DATA gs_findDataStruct;
1514 #else // Win16
1515     #ifdef __BORLANDC__
1516         static struct ffblk gs_findDataStruct;
1517     #else
1518         static struct _find_t gs_findDataStruct;
1519     #endif // Borland
1520 #endif // Win32/16
1521
1522 static wxString gs_strFileSpec;
1523 static int gs_findFlags = 0;
1524
1525 wxString wxFindFirstFile(const wxChar *spec, int flags)
1526 {
1527     wxString result;
1528
1529     gs_strFileSpec = spec;
1530     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1531
1532     // Find path only so we can concatenate found file onto path
1533     wxString path(wxPathOnly(gs_strFileSpec));
1534     if ( !path.IsEmpty() )
1535         result << path << wxT('\\');
1536
1537 #ifdef __WIN32__
1538     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1539         FindClose(gs_hFileStruct);
1540
1541     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1542
1543     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1544     {
1545         result.Empty();
1546
1547         return result;
1548     }
1549
1550     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1551
1552     if (isdir && !(flags & wxDIR))
1553         return wxFindNextFile();
1554     else if (!isdir && flags && !(flags & wxFILE))
1555         return wxFindNextFile();
1556
1557     result += gs_findDataStruct.cFileName;
1558
1559     return result;
1560 #else // !Win32
1561     int flag = _A_NORMAL;
1562     if (flags & wxDIR)
1563         flag = _A_SUBDIR;
1564
1565 #ifdef __BORLANDC__
1566     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1567 #else
1568         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1569 #endif
1570         {
1571             char attrib;
1572
1573 #ifdef __BORLANDC__
1574             attrib = gs_findDataStruct.ff_attrib;
1575 #else
1576             attrib = gs_findDataStruct.attrib;
1577 #endif
1578
1579             if (attrib & _A_SUBDIR) {
1580                 if (!(gs_findFlags & wxDIR))
1581                     return wxFindNextFile();
1582             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1583                 return wxFindNextFile();
1584
1585             result +=
1586 #ifdef __BORLANDC__
1587                     gs_findDataStruct.ff_name
1588 #else
1589                     gs_findDataStruct.name
1590 #endif
1591                     ;
1592         }
1593
1594     return result;
1595 #endif // __WIN32__
1596 }
1597
1598
1599 wxString wxFindNextFile()
1600 {
1601     wxString result;
1602
1603     // Find path only so we can concatenate found file onto path
1604     wxString path(wxPathOnly(gs_strFileSpec));
1605
1606 try_again:
1607
1608 #ifdef __WIN32__
1609     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1610         return result;
1611
1612     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1613     if (!success)
1614     {
1615         FindClose(gs_hFileStruct);
1616         gs_hFileStruct = INVALID_HANDLE_VALUE;
1617     }
1618     else
1619     {
1620         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1621
1622         if (isdir && !(gs_findFlags & wxDIR))
1623             goto try_again;
1624         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1625             goto try_again;
1626
1627         if ( !path.IsEmpty() )
1628             result << path << wxT('\\');
1629         result << gs_findDataStruct.cFileName;
1630     }
1631
1632     return result;
1633 #else // Win16
1634
1635 #ifdef __BORLANDC__
1636     if (findnext(&gs_findDataStruct) == 0)
1637 #else
1638         if (_dos_findnext(&gs_findDataStruct) == 0)
1639 #endif
1640         {
1641             /* MATTHEW: [5] Check directory flag */
1642             char attrib;
1643
1644 #ifdef __BORLANDC__
1645             attrib = gs_findDataStruct.ff_attrib;
1646 #else
1647             attrib = gs_findDataStruct.attrib;
1648 #endif
1649
1650             if (attrib & _A_SUBDIR) {
1651                 if (!(gs_findFlags & wxDIR))
1652                     goto try_again;
1653             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1654                 goto try_again;
1655
1656
1657             result +=
1658 #ifdef __BORLANDC__
1659                       gs_findDataStruct.ff_name
1660 #else
1661                       gs_findDataStruct.name
1662 #endif
1663                       ;
1664         }
1665
1666     return result;
1667 #endif // Win32/16
1668 }
1669
1670 #elif defined(__WXPM__)
1671
1672 wxString wxFindFirstFile(const wxChar *spec, int flags)
1673 {
1674     wxString result;
1675
1676     /*
1677     // TODO: figure something out here for OS/2
1678     gs_strFileSpec = spec;
1679     gs_findFlags = flags;
1680
1681     // Find path only so we can concatenate found file onto path
1682     wxString path(wxPathOnly(gs_strFileSpec));
1683     if ( !path.IsEmpty() )
1684         result << path << wxT('\\');
1685
1686     int flag = _A_NORMAL;
1687     if (flags & wxDIR)
1688         flag = _A_SUBDIR;
1689
1690     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1691     {
1692         char attrib;
1693         attrib = gs_findDataStruct.attrib;
1694
1695         if (attrib & _A_SUBDIR) {
1696             if (!(gs_findFlags & wxDIR))
1697                 return wxFindNextFile();
1698         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1699             return wxFindNextFile();
1700
1701         result += gs_findDataStruct.name;
1702     }
1703     */
1704     return result;
1705 }
1706
1707 wxString wxFindNextFile()
1708 {
1709     wxString result;
1710     // TODO:
1711     return result;
1712 }
1713
1714 #endif // Unix/Windows/OS/2
1715
1716 // Get current working directory.
1717 // If buf is NULL, allocates space using new, else
1718 // copies into buf.
1719 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1720 {
1721   if (!buf)
1722     buf = new wxChar[sz+1];
1723 #if wxUSE_UNICODE
1724   char *cbuf = new char[sz+1];
1725 #ifdef _MSC_VER
1726   if (_getcwd(cbuf, sz) == NULL) {
1727 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1728     enum
1729     {
1730         SFSaveDisk = 0x214, CurDirStore = 0x398
1731     };
1732     FSSpec cwdSpec ;
1733
1734     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1735     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1736     strcpy( buf , res ) ;
1737     if (0) {
1738 #else
1739   if (getcwd(cbuf, sz) == NULL) {
1740 #endif
1741     delete [] cbuf;
1742 #else // wxUnicode
1743 #ifdef _MSC_VER
1744   if (_getcwd(buf, sz) == NULL) {
1745 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1746     FSSpec cwdSpec ;
1747     FCBPBRec pb;
1748     OSErr error;
1749     Str255  fileName ;
1750     pb.ioNamePtr = (StringPtr) &fileName;
1751     pb.ioVRefNum = 0;
1752     pb.ioRefNum = LMGetCurApRefNum();
1753     pb.ioFCBIndx = 0;
1754     error = PBGetFCBInfoSync(&pb);
1755     if ( error == noErr )
1756     {
1757         cwdSpec.vRefNum = pb.ioFCBVRefNum;
1758         cwdSpec.parID = pb.ioFCBParID;
1759         cwdSpec.name[0] = 0 ;
1760         wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1761
1762         strcpy( buf , res ) ;
1763         buf[res.length()]=0 ;
1764     }
1765     else
1766         buf[0] = 0 ;
1767     /*
1768     this version will not always give back the application directory on mac
1769     enum
1770     {
1771         SFSaveDisk = 0x214, CurDirStore = 0x398
1772     };
1773     FSSpec cwdSpec ;
1774
1775     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1776     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1777     strcpy( buf , res ) ;
1778     */
1779     if (0) {
1780 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1781     APIRET rc;
1782     rc = ::DosQueryCurrentDir( 0 // current drive
1783                               ,buf
1784                               ,(PULONG)&sz
1785                              );
1786     if (rc != 0) {
1787 #else
1788   if (getcwd(buf, sz) == NULL) {
1789 #endif
1790 #endif
1791     buf[0] = wxT('.');
1792     buf[1] = wxT('\0');
1793   }
1794 #if wxUSE_UNICODE
1795   else {
1796     wxConvFile.MB2WC(buf, cbuf, sz);
1797     delete [] cbuf;
1798   }
1799 #endif
1800   return buf;
1801 }
1802
1803 wxString wxGetCwd()
1804 {
1805     static const size_t maxPathLen = 1024;
1806
1807     wxString str;
1808     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1809     str.UngetWriteBuf();
1810
1811     return str;
1812 }
1813
1814 bool wxSetWorkingDirectory(const wxString& d)
1815 {
1816 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1817   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1818 #elif defined(__WXPM__)
1819   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1820 #elif defined(__WINDOWS__)
1821
1822 #ifdef __WIN32__
1823   return (bool)(SetCurrentDirectory(d) != 0);
1824 #else
1825   // Must change drive, too.
1826   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1827   if (isDriveSpec)
1828   {
1829     wxChar firstChar = d[0];
1830
1831     // To upper case
1832     if (firstChar > 90)
1833       firstChar = firstChar - 32;
1834
1835     // To a drive number
1836     unsigned int driveNo = firstChar - 64;
1837     if (driveNo > 0)
1838     {
1839        unsigned int noDrives;
1840        _dos_setdrive(driveNo, &noDrives);
1841     }
1842   }
1843   bool success = (chdir(WXSTRINGCAST d) == 0);
1844
1845   return success;
1846 #endif
1847
1848 #endif
1849 }
1850
1851 // Get the OS directory if appropriate (such as the Windows directory).
1852 // On non-Windows platform, probably just return the empty string.
1853 wxString wxGetOSDirectory()
1854 {
1855 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1856     wxChar buf[256];
1857     GetWindowsDirectory(buf, 256);
1858     return wxString(buf);
1859 #else
1860     return wxEmptyString;
1861 #endif
1862 }
1863
1864 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1865 {
1866   size_t len = wxStrlen(pszFileName);
1867   if ( len == 0 )
1868     return FALSE;
1869   else
1870     return wxIsPathSeparator(pszFileName[len - 1]);
1871 }
1872
1873 // find a file in a list of directories, returns false if not found
1874 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1875 {
1876     // we assume that it's not empty
1877     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1878                  _T("empty file name in wxFindFileInPath"));
1879
1880     // skip path separator in the beginning of the file name if present
1881     if ( wxIsPathSeparator(*pszFile) )
1882         pszFile++;
1883
1884     // copy the path (strtok will modify it)
1885     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1886     wxStrcpy(szPath, pszPath);
1887
1888     wxString strFile;
1889     wxChar *pc, *save_ptr;
1890     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1891           pc != NULL;
1892           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1893     {
1894         // search for the file in this directory
1895         strFile = pc;
1896         if ( !wxEndsWithPathSeparator(pc) )
1897             strFile += wxFILE_SEP_PATH;
1898         strFile += pszFile;
1899
1900         if ( FileExists(strFile) ) {
1901             *pStr = strFile;
1902             break;
1903         }
1904     }
1905
1906     // suppress warning about unused variable save_ptr when wxStrtok() is a
1907     // macro which throws away its third argument
1908     save_ptr = pc;
1909
1910     delete [] szPath;
1911
1912     return pc != NULL;  // if true => we breaked from the loop
1913 }
1914
1915 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1916                              wxString *pstrPath,
1917                              wxString *pstrName,
1918                              wxString *pstrExt)
1919 {
1920     // it can be empty, but it shouldn't be NULL
1921     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1922
1923     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1924 }
1925
1926 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1927 {
1928     wxStructStat buf;
1929
1930     wxStat(filename.fn_str(), &buf);
1931     return buf.st_mtime;
1932 }
1933
1934
1935 //------------------------------------------------------------------------
1936 // wild character routines
1937 //------------------------------------------------------------------------
1938
1939 bool wxIsWild( const wxString& pattern )
1940 {
1941   wxString tmp = pattern;
1942   wxChar *pat = WXSTRINGCAST(tmp);
1943     while (*pat) {
1944         switch (*pat++) {
1945         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1946             return TRUE;
1947         case wxT('\\'):
1948             if (!*pat++)
1949                 return FALSE;
1950         }
1951     }
1952     return FALSE;
1953 };
1954
1955 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1956
1957 #if defined(HAVE_FNMATCH_H)
1958 {
1959 // this probably won't work well for multibyte chars in Unicode mode?
1960    if(dot_special)
1961       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1962    else
1963       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1964 }
1965 #else
1966
1967 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1968
1969    /*
1970     * WARNING: this code is broken!
1971     */
1972 {
1973   wxString tmp1 = pat;
1974   wxChar *pattern = WXSTRINGCAST(tmp1);
1975   wxString tmp2 = text;
1976   wxChar *str = WXSTRINGCAST(tmp2);
1977     wxChar c;
1978     wxChar *cp;
1979     bool done = FALSE, ret_code, ok;
1980     // Below is for vi fans
1981     const wxChar OB = wxT('{'), CB = wxT('}');
1982
1983     // dot_special means '.' only matches '.'
1984     if (dot_special && *str == wxT('.') && *pattern != *str)
1985         return FALSE;
1986
1987     while ((*pattern != wxT('\0')) && (!done)
1988     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1989         switch (*pattern) {
1990         case wxT('\\'):
1991             pattern++;
1992             if (*pattern != wxT('\0'))
1993                 pattern++;
1994             break;
1995         case wxT('*'):
1996             pattern++;
1997             ret_code = FALSE;
1998             while ((*str!=wxT('\0'))
1999             && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
2000                 /*loop*/;
2001             if (ret_code) {
2002                 while (*str != wxT('\0'))
2003                     str++;
2004                 while (*pattern != wxT('\0'))
2005                     pattern++;
2006             }
2007             break;
2008         case wxT('['):
2009             pattern++;
2010           repeat:
2011             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
2012                 done = TRUE;
2013                 break;
2014             }
2015             if (*pattern == wxT('\\')) {
2016                 pattern++;
2017                 if (*pattern == wxT('\0')) {
2018                     done = TRUE;
2019                     break;
2020                 }
2021             }
2022             if (*(pattern + 1) == wxT('-')) {
2023                 c = *pattern;
2024                 pattern += 2;
2025                 if (*pattern == wxT(']')) {
2026                     done = TRUE;
2027                     break;
2028                 }
2029                 if (*pattern == wxT('\\')) {
2030                     pattern++;
2031                     if (*pattern == wxT('\0')) {
2032                         done = TRUE;
2033                         break;
2034                     }
2035                 }
2036                 if ((*str < c) || (*str > *pattern)) {
2037                     pattern++;
2038                     goto repeat;
2039                 }
2040             } else if (*pattern != *str) {
2041                 pattern++;
2042                 goto repeat;
2043             }
2044             pattern++;
2045             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
2046                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
2047                     pattern++;
2048                 pattern++;
2049             }
2050             if (*pattern != wxT('\0')) {
2051                 pattern++, str++;
2052             }
2053             break;
2054         case wxT('?'):
2055             pattern++;
2056             str++;
2057             break;
2058         case OB:
2059             pattern++;
2060             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2061                 cp = str;
2062                 ok = TRUE;
2063                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2064                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
2065                     if (*pattern == wxT('\\'))
2066                         pattern++;
2067                     ok = (*pattern++ == *cp++);
2068                 }
2069                 if (*pattern == wxT('\0')) {
2070                     ok = FALSE;
2071                     done = TRUE;
2072                     break;
2073                 } else if (ok) {
2074                     str = cp;
2075                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2076                         if (*++pattern == wxT('\\')) {
2077                             if (*++pattern == CB)
2078                                 pattern++;
2079                         }
2080                     }
2081                 } else {
2082                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2083                         if (*++pattern == wxT('\\')) {
2084                             if (*++pattern == CB || *pattern == wxT(','))
2085                                 pattern++;
2086                         }
2087                     }
2088                 }
2089                 if (*pattern != wxT('\0'))
2090                     pattern++;
2091             }
2092             break;
2093         default:
2094             if (*str == *pattern) {
2095                 str++, pattern++;
2096             } else {
2097                 done = TRUE;
2098             }
2099         }
2100     }
2101     while (*pattern == wxT('*'))
2102         pattern++;
2103     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2104 };
2105
2106 #endif
2107
2108 #ifdef __VISUALC__
2109     #pragma warning(default:4706)   // assignment within conditional expression
2110 #endif // VC++