src/common/filename.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/filename.cpp
   3 // Purpose:     wxFileName - encapsulates a file path
   4 // Author:      Robert Roebling, Vadim Zeitlin
   5 // Modified by:
   6 // Created:     28.12.2000
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2000 Robert Roebling
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filename.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28   #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/intl.h"
  33     #include "wx/log.h"
  34 #endif
  35
  36 #include "wx/filename.h"
  37 #include "wx/tokenzr.h"
  38 #include "wx/config.h"          // for wxExpandEnvVars
  39 #include "wx/utils.h"
  40
  41 #if wxUSE_DYNLIB_CLASS
  42     #include "wx/dynlib.h"
  43 #endif
  44
  45 // For GetShort/LongPathName
  46 #ifdef __WIN32__
  47     #include <windows.h>
  48
  49     #include "wx/msw/winundef.h"
  50 #endif
  51
  52 // utime() is POSIX so should normally be available on all Unices
  53 #ifdef __UNIX_LIKE__
  54     #include <sys/types.h>
  55     #include <utime.h>
  56     #include <sys/stat.h>
  57     #include <unistd.h>
  58 #endif
  59
  60 // ----------------------------------------------------------------------------
  61 // private classes
  62 // ----------------------------------------------------------------------------
  63
  64 // small helper class which opens and closes the file - we use it just to get
  65 // a file handle for the given file name to pass it to some Win32 API function
  66 #ifdef __WIN32__
  67
  68 class wxFileHandle
  69 {
  70 public:
  71     wxFileHandle(const wxString& filename)
  72     {
  73         m_hFile = ::CreateFile
  74                     (
  75                      filename,          // name
  76                      GENERIC_READ,      // access mask
  77                      0,                 // no sharing
  78                      NULL,              // no secutity attr
  79                      OPEN_EXISTING,     // creation disposition
  80                      0,                 // no flags
  81                      NULL               // no template file
  82                     );
  83
  84         if ( m_hFile == INVALID_HANDLE_VALUE )
  85         {
  86             wxLogSysError(_("Failed to open '%s' for reading"),
  87                           filename.c_str());
  88         }
  89     }
  90
  91     ~wxFileHandle()
  92     {
  93         if ( m_hFile != INVALID_HANDLE_VALUE )
  94         {
  95             if ( !::CloseHandle(m_hFile) )
  96             {
  97                 wxLogSysError(_("Failed to close file handle"));
  98             }
  99         }
 100     }
 101
 102     // return TRUE only if the file could be opened successfully
 103     bool IsOk() const { return m_hFile != INVALID_HANDLE_VALUE; }
 104
 105     // get the handle
 106     operator HANDLE() const { return m_hFile; }
 107
 108 private:
 109     HANDLE m_hFile;
 110 };
 111
 112 #endif // __WIN32__
 113
 114 // ----------------------------------------------------------------------------
 115 // private functions
 116 // ----------------------------------------------------------------------------
 117
 118 #ifdef __WIN32__
 119
 120 // convert between wxDateTime and FILETIME which is a 64-bit value representing
 121 // the number of 100-nanosecond intervals since January 1, 1601.
 122
 123 // the number of milliseconds between the Unix Epoch (January 1, 1970) and the
 124 // FILETIME reference point (January 1, 1601)
 125 static const wxLongLong FILETIME_EPOCH_OFFSET = wxLongLong(0xa97, 0x30b66800);
 126
 127 static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft)
 128 {
 129     wxLongLong ll(ft.dwHighDateTime, ft.dwLowDateTime);
 130
 131     // convert 100ns to ms
 132     ll /= 10000;
 133
 134     // move it to our Epoch
 135     ll -= FILETIME_EPOCH_OFFSET;
 136
 137     *dt = wxDateTime(ll);
 138 }
 139
 140 static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt)
 141 {
 142     // do the reverse of ConvertFileTimeToWx()
 143     wxLongLong ll = dt.GetValue();
 144     ll *= 10000;
 145     ll += FILETIME_EPOCH_OFFSET;
 146
 147     ft->dwHighDateTime = ll.GetHi();
 148     ft->dwLowDateTime = ll.GetLo();
 149 }
 150
 151 #endif // __WIN32__
 152
 153 // ============================================================================
 154 // implementation
 155 // ============================================================================
 156
 157 // ----------------------------------------------------------------------------
 158 // wxFileName construction
 159 // ----------------------------------------------------------------------------
 160
 161 void wxFileName::Assign( const wxFileName &filepath )
 162 {
 163     m_ext = filepath.GetExt();
 164     m_name = filepath.GetName();
 165     m_dirs = filepath.GetDirs();
 166 }
 167
 168 void wxFileName::Assign( const wxString& path,
 169                          const wxString& name,
 170                          const wxString& ext,
 171                          wxPathFormat format )
 172 {
 173     wxStringTokenizer tn(path, GetPathSeparators(format),
 174                          wxTOKEN_RET_EMPTY_ALL);
 175     int i = 0;
 176     m_dirs.Clear();
 177     while ( tn.HasMoreTokens() )
 178     {
 179         wxString token = tn.GetNextToken();
 180
 181         // If the path starts with a slash (or two for a network path),
 182         // we need the first dir entry to be an empty for later reassembly.
 183         if ((i < 2) || !token.IsEmpty())
 184             m_dirs.Add( token );
 185
 186         i ++;
 187     }
 188
 189     m_ext = ext;
 190     m_name = name;
 191 }
 192
 193 void wxFileName::Assign(const wxString& fullpath,
 194                         wxPathFormat format)
 195 {
 196     wxString path, name, ext;
 197     SplitPath(fullpath, &path, &name, &ext, format);
 198
 199     Assign(path, name, ext, format);
 200 }
 201
 202 void wxFileName::Assign(const wxString& path,
 203                         const wxString& fullname,
 204                         wxPathFormat format)
 205 {
 206     wxString name, ext;
 207     SplitPath(fullname, NULL /* no path */, &name, &ext, format);
 208
 209     Assign(path, name, ext, format);
 210 }
 211
 212 void wxFileName::Clear()
 213 {
 214     m_dirs.Clear();
 215     m_name =
 216     m_ext = wxEmptyString;
 217 }
 218
 219 /* static */
 220 wxFileName wxFileName::FileName(const wxString& file)
 221 {
 222     return wxFileName(file);
 223 }
 224
 225 /* static */
 226 wxFileName wxFileName::DirName(const wxString& dir)
 227 {
 228     wxFileName fn;
 229     fn.AssignDir(dir);
 230     return fn;
 231 }
 232
 233 // ----------------------------------------------------------------------------
 234 // existence tests
 235 // ----------------------------------------------------------------------------
 236
 237 bool wxFileName::FileExists()
 238 {
 239     return wxFileName::FileExists( GetFullPath() );
 240 }
 241
 242 bool wxFileName::FileExists( const wxString &file )
 243 {
 244     return ::wxFileExists( file );
 245 }
 246
 247 bool wxFileName::DirExists()
 248 {
 249     return wxFileName::DirExists( GetFullPath() );
 250 }
 251
 252 bool wxFileName::DirExists( const wxString &dir )
 253 {
 254     return ::wxDirExists( dir );
 255 }
 256
 257 // ----------------------------------------------------------------------------
 258 // CWD and HOME stuff
 259 // ----------------------------------------------------------------------------
 260
 261 void wxFileName::AssignCwd()
 262 {
 263     AssignDir(wxFileName::GetCwd());
 264 }
 265
 266 /* static */
 267 wxString wxFileName::GetCwd()
 268 {
 269     return ::wxGetCwd();
 270 }
 271
 272 bool wxFileName::SetCwd()
 273 {
 274     return wxFileName::SetCwd( GetFullPath() );
 275 }
 276
 277 bool wxFileName::SetCwd( const wxString &cwd )
 278 {
 279     return ::wxSetWorkingDirectory( cwd );
 280 }
 281
 282 void wxFileName::AssignHomeDir()
 283 {
 284     AssignDir(wxFileName::GetHomeDir());
 285 }
 286
 287 wxString wxFileName::GetHomeDir()
 288 {
 289     return ::wxGetHomeDir();
 290 }
 291
 292 void wxFileName::AssignTempFileName( const wxString &prefix )
 293 {
 294     wxString fullname;
 295     if ( wxGetTempFileName(prefix, fullname) )
 296     {
 297         Assign(fullname);
 298     }
 299     else // error
 300     {
 301         Clear();
 302     }
 303 }
 304
 305 // ----------------------------------------------------------------------------
 306 // directory operations
 307 // ----------------------------------------------------------------------------
 308
 309 bool wxFileName::Mkdir( int perm, bool full )
 310 {
 311     return wxFileName::Mkdir( GetFullPath(), perm, full );
 312 }
 313
 314 bool wxFileName::Mkdir( const wxString &dir, int perm, bool full )
 315 {
 316     if (full)
 317     {
 318         wxFileName filename(dir);
 319         wxArrayString dirs = filename.GetDirs();
 320         dirs.Add(filename.GetName());
 321
 322         size_t count = dirs.GetCount();
 323         size_t i;
 324         wxString currPath;
 325         int noErrors = 0;
 326         for ( i = 0; i < count; i++ )
 327         {
 328             currPath += dirs[i];
 329
 330             if (currPath.Last() == wxT(':'))
 331             {
 332                 // Can't create a root directory so continue to next dir
 333                 currPath += wxFILE_SEP_PATH;
 334                 continue;
 335             }
 336
 337             if (!DirExists(currPath))
 338                 if (!wxMkdir(currPath, perm))
 339                     noErrors ++;
 340
 341             if ( (i < (count-1)) )
 342                 currPath += wxFILE_SEP_PATH;
 343         }
 344
 345         return (noErrors == 0);
 346
 347     }
 348     else
 349         return ::wxMkdir( dir, perm );
 350 }
 351
 352 bool wxFileName::Rmdir()
 353 {
 354     return wxFileName::Rmdir( GetFullPath() );
 355 }
 356
 357 bool wxFileName::Rmdir( const wxString &dir )
 358 {
 359     return ::wxRmdir( dir );
 360 }
 361
 362 // ----------------------------------------------------------------------------
 363 // path normalization
 364 // ----------------------------------------------------------------------------
 365
 366 bool wxFileName::Normalize(wxPathNormalize flags,
 367                            const wxString& cwd,
 368                            wxPathFormat format)
 369 {
 370     // the existing path components
 371     wxArrayString dirs = GetDirs();
 372
 373     // the path to prepend in front to make the path absolute
 374     wxFileName curDir;
 375
 376     format = GetFormat(format);
 377
 378     // make the path absolute
 379     if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute() )
 380     {
 381         if ( cwd.empty() )
 382             curDir.AssignCwd();
 383         else
 384             curDir.AssignDir(cwd);
 385     }
 386
 387     // handle ~ stuff under Unix only
 388     if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) )
 389     {
 390         if ( !dirs.IsEmpty() )
 391         {
 392             wxString dir = dirs[0u];
 393             if ( !dir.empty() && dir[0u] == _T('~') )
 394             {
 395                 curDir.AssignDir(wxGetUserHome(dir.c_str() + 1));
 396
 397                 dirs.RemoveAt(0u);
 398             }
 399         }
 400     }
 401
 402     if ( curDir.IsOk() )
 403     {
 404         wxArrayString dirsNew = curDir.GetDirs();
 405         size_t count = dirs.GetCount();
 406         for ( size_t n = 0; n < count; n++ )
 407         {
 408             dirsNew.Add(dirs[n]);
 409         }
 410
 411         dirs = dirsNew;
 412     }
 413
 414     // now deal with ".", ".." and the rest
 415     m_dirs.Empty();
 416     size_t count = dirs.GetCount();
 417     for ( size_t n = 0; n < count; n++ )
 418     {
 419         wxString dir = dirs[n];
 420
 421         if ( flags && wxPATH_NORM_DOTS )
 422         {
 423             if ( dir == wxT(".") )
 424             {
 425                 // just ignore
 426                 continue;
 427             }
 428
 429             if ( dir == wxT("..") )
 430             {
 431                 if ( m_dirs.IsEmpty() )
 432                 {
 433                     wxLogError(_("The path '%s' contains too many \"..\"!"),
 434                                GetFullPath().c_str());
 435                     return FALSE;
 436                 }
 437
 438                 m_dirs.Remove(m_dirs.GetCount() - 1);
 439                 continue;
 440             }
 441         }
 442
 443         if ( flags & wxPATH_NORM_ENV_VARS )
 444         {
 445             dir = wxExpandEnvVars(dir);
 446         }
 447
 448         if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
 449         {
 450             dir.MakeLower();
 451         }
 452
 453         m_dirs.Add(dir);
 454     }
 455
 456     if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
 457     {
 458         // VZ: expand env vars here too?
 459
 460         m_name.MakeLower();
 461         m_ext.MakeLower();
 462     }
 463
 464 #if defined(__WXMSW__) && defined(__WIN32__)
 465     if (flags & wxPATH_NORM_LONG)
 466     {
 467         Assign(GetLongPath());
 468     }
 469 #endif
 470
 471     return TRUE;
 472 }
 473
 474 // ----------------------------------------------------------------------------
 475 // filename kind tests
 476 // ----------------------------------------------------------------------------
 477
 478 bool wxFileName::SameAs( const wxFileName &filepath, wxPathFormat format)
 479 {
 480     wxFileName fn1 = *this,
 481                fn2 = filepath;
 482
 483     // get cwd only once - small time saving
 484     wxString cwd = wxGetCwd();
 485     fn1.Normalize(wxPATH_NORM_ALL, cwd, format);
 486     fn2.Normalize(wxPATH_NORM_ALL, cwd, format);
 487
 488     if ( fn1.GetFullPath() == fn2.GetFullPath() )
 489         return TRUE;
 490
 491     // TODO: compare inodes for Unix, this works even when filenames are
 492     //       different but files are the same (symlinks) (VZ)
 493
 494     return FALSE;
 495 }
 496
 497 /* static */
 498 bool wxFileName::IsCaseSensitive( wxPathFormat format )
 499 {
 500     // only DOS and OpenVMS filenames are case-sensitive
 501     return ( GetFormat(format) != wxPATH_DOS &
 502              GetFormat(format) != wxPATH_VMS );
 503 }
 504
 505 bool wxFileName::IsRelative( wxPathFormat format )
 506 {
 507     return !IsAbsolute(format);
 508 }
 509
 510 bool wxFileName::IsAbsolute( wxPathFormat format )
 511 {
 512     wxChar ch = m_dirs.IsEmpty() ? _T('\0') : m_dirs[0u][0u];
 513
 514     // Hack to cope with e.g. c:\thing - need something better
 515     wxChar driveSep = _T('\0');
 516     if (!m_dirs.IsEmpty() && m_dirs[0].Length() > 1)
 517         driveSep = m_dirs[0u][1u];
 518
 519     // the path is absolute if it starts with a path separator or, only for
 520     // Unix filenames, with "~" or "~user"
 521     return IsPathSeparator(ch, format) ||
 522            driveSep == _T(':') ||
 523            (GetFormat(format) == wxPATH_UNIX && ch == _T('~') );
 524 }
 525
 526 /* static */
 527 wxString wxFileName::GetPathSeparators(wxPathFormat format)
 528 {
 529     wxString seps;
 530     switch ( GetFormat(format) )
 531     {
 532         case wxPATH_DOS:
 533             // accept both as native APIs do
 534             seps << wxFILE_SEP_PATH_UNIX << wxFILE_SEP_PATH_DOS;
 535             break;
 536
 537         default:
 538             wxFAIL_MSG( _T("unknown wxPATH_XXX style") );
 539             // fall through
 540
 541         case wxPATH_UNIX:
 542             seps = wxFILE_SEP_PATH_UNIX;
 543             break;
 544
 545         case wxPATH_MAC:
 546             seps = wxFILE_SEP_PATH_MAC;
 547             break;
 548
 549         case wxPATH_VMS:
 550             seps = wxFILE_SEP_PATH_VMS;
 551             break;
 552     }
 553
 554     return seps;
 555 }
 556
 557 /* static */
 558 bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format)
 559 {
 560     return GetPathSeparators(format).Find(ch) != wxNOT_FOUND;
 561 }
 562
 563 bool wxFileName::IsWild( wxPathFormat format )
 564 {
 565     // FIXME: this is probably false for Mac and this is surely wrong for most
 566     //        of Unix shells (think about "[...]")
 567         (void)format;
 568     return m_name.find_first_of(_T("*?")) != wxString::npos;
 569 }
 570
 571 // ----------------------------------------------------------------------------
 572 // path components manipulation
 573 // ----------------------------------------------------------------------------
 574
 575 void wxFileName::AppendDir( const wxString &dir )
 576 {
 577     m_dirs.Add( dir );
 578 }
 579
 580 void wxFileName::PrependDir( const wxString &dir )
 581 {
 582     m_dirs.Insert( dir, 0 );
 583 }
 584
 585 void wxFileName::InsertDir( int before, const wxString &dir )
 586 {
 587     m_dirs.Insert( dir, before );
 588 }
 589
 590 void wxFileName::RemoveDir( int pos )
 591 {
 592     m_dirs.Remove( (size_t)pos );
 593 }
 594
 595 // ----------------------------------------------------------------------------
 596 // accessors
 597 // ----------------------------------------------------------------------------
 598
 599 void wxFileName::SetFullName(const wxString& fullname)
 600 {
 601     SplitPath(fullname, NULL /* no path */, &m_name, &m_ext);
 602 }
 603
 604 wxString wxFileName::GetFullName() const
 605 {
 606     wxString fullname = m_name;
 607     if ( !m_ext.empty() )
 608     {
 609         fullname << wxFILE_SEP_EXT << m_ext;
 610     }
 611
 612     return fullname;
 613 }
 614
 615 wxString wxFileName::GetPath( bool add_separator, wxPathFormat format ) const
 616 {
 617     format = GetFormat( format );
 618
 619     wxString ret;
 620     size_t count = m_dirs.GetCount();
 621     for ( size_t i = 0; i < count; i++ )
 622     {
 623         ret += m_dirs[i];
 624         if ( add_separator || (i < count) )
 625             ret += wxFILE_SEP_PATH;
 626     }
 627
 628     return ret;
 629 }
 630
 631 wxString wxFileName::GetFullPath( wxPathFormat format ) const
 632 {
 633     format = GetFormat( format );
 634
 635     wxString ret;
 636     if (format == wxPATH_DOS)
 637     {
 638         for (size_t i = 0; i < m_dirs.GetCount(); i++)
 639         {
 640             ret += m_dirs[i];
 641             ret += '\\';
 642         }
 643     }
 644     else
 645     if (format == wxPATH_UNIX)
 646     {
 647         for (size_t i = 0; i < m_dirs.GetCount(); i++)
 648         {
 649             ret += m_dirs[i];
 650             ret += '/';
 651         }
 652     }
 653     else
 654     if (format == wxPATH_VMS)
 655     {
 656        ret += '[';
 657         for (size_t i = 0; i < m_dirs.GetCount(); i++)
 658         {
 659             ret += '.';
 660             ret += m_dirs[i];
 661         }
 662        ret += ']';
 663     }
 664     else
 665     {
 666         for (size_t i = 0; i < m_dirs.GetCount(); i++)
 667         {
 668             ret += m_dirs[i];
 669             ret += ':';
 670         }
 671     }
 672
 673     ret += m_name;
 674
 675     if (!m_ext.IsEmpty())
 676     {
 677         ret += '.';
 678         ret += m_ext;
 679     }
 680
 681     return ret;
 682 }
 683
 684 // Return the short form of the path (returns identity on non-Windows platforms)
 685 wxString wxFileName::GetShortPath() const
 686 {
 687 #if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__)
 688     wxString path(GetFullPath());
 689     wxString pathOut;
 690     DWORD sz = ::GetShortPathName(path, NULL, 0);
 691     bool ok = sz != 0;
 692     if ( ok )
 693     {
 694         ok = ::GetShortPathName
 695                (
 696                 path,
 697                 pathOut.GetWriteBuf(sz),
 698                 sz
 699                ) != 0;
 700         pathOut.UngetWriteBuf();
 701     }
 702     if (ok)
 703         return pathOut;
 704
 705     return path;
 706 #else
 707     return GetFullPath();
 708 #endif
 709 }
 710
 711 // Return the long form of the path (returns identity on non-Windows platforms)
 712 wxString wxFileName::GetLongPath() const
 713 {
 714 #if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__)
 715     wxString path(GetFullPath());
 716     wxString pathOut;
 717     bool success = FALSE;
 718
 719     // VZ: this code was disabled, why?
 720 #if 0 // wxUSE_DYNLIB_CLASS
 721     typedef DWORD (*GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD);
 722
 723     static bool s_triedToLoad = FALSE;
 724
 725     if ( !s_triedToLoad )
 726     {
 727         s_triedToLoad = TRUE;
 728         wxDllType dllKernel = wxDllLoader::LoadLibrary(_T("kernel32"));
 729         if ( dllKernel )
 730         {
 731             // may succeed or fail depending on the Windows version
 732                         static GET_LONG_PATH_NAME s_pfnGetLongPathName = NULL;
 733 #ifdef _UNICODE
 734             s_pfnGetLongPathName = (GET_LONG_PATH_NAME) wxDllLoader::GetSymbol(dllKernel, _T("GetLongPathNameW"));
 735 #else
 736             s_pfnGetLongPathName = (GET_LONG_PATH_NAME) wxDllLoader::GetSymbol(dllKernel, _T("GetLongPathNameA"));
 737 #endif
 738
 739             wxDllLoader::UnloadLibrary(dllKernel);
 740
 741             if ( s_pfnGetLongPathName )
 742             {
 743                 DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0);
 744                 bool ok = dwSize > 0;
 745
 746                 if ( ok )
 747                 {
 748                     DWORD sz = (*s_pfnGetLongPathName)(path, NULL, 0);
 749                     ok = sz != 0;
 750                     if ( ok )
 751                     {
 752                         ok = (*s_pfnGetLongPathName)
 753                                 (
 754                                 path,
 755                                 pathOut.GetWriteBuf(sz),
 756                                 sz
 757                                 ) != 0;
 758                         pathOut.UngetWriteBuf();
 759
 760                         success = TRUE;
 761                     }
 762                 }
 763             }
 764         }
 765     }
 766     if (success)
 767         return pathOut;
 768 #endif // wxUSE_DYNLIB_CLASS
 769
 770     if (!success)
 771     {
 772         // The OS didn't support GetLongPathName, or some other error.
 773         // We need to call FindFirstFile on each component in turn.
 774
 775         WIN32_FIND_DATA findFileData;
 776         HANDLE hFind;
 777         pathOut = wxEmptyString;
 778
 779         wxArrayString dirs = GetDirs();
 780         dirs.Add(GetFullName());
 781
 782         size_t count = dirs.GetCount();
 783         size_t i;
 784         wxString tmpPath;
 785
 786         for ( i = 0; i < count; i++ )
 787         {
 788             // We're using pathOut to collect the long-name path,
 789             // but using a temporary for appending the last path component which may be short-name
 790             tmpPath = pathOut + dirs[i];
 791
 792             if (tmpPath.Last() == wxT(':'))
 793             {
 794                 // Can't pass a drive and root dir to FindFirstFile,
 795                 // so continue to next dir
 796                 tmpPath += wxFILE_SEP_PATH;
 797                 pathOut = tmpPath;
 798                 continue;
 799             }
 800
 801             hFind = ::FindFirstFile(tmpPath, &findFileData);
 802             if (hFind == INVALID_HANDLE_VALUE)
 803             {
 804                 // Error: return immediately with the original path
 805                 return path;
 806             }
 807             else
 808             {
 809                 pathOut += findFileData.cFileName;
 810                 if ( (i < (count-1)) )
 811                     pathOut += wxFILE_SEP_PATH;
 812
 813                 ::FindClose(hFind);
 814             }
 815         }
 816     }
 817
 818     return pathOut;
 819 #else
 820     return GetFullPath();
 821 #endif
 822 }
 823
 824 wxPathFormat wxFileName::GetFormat( wxPathFormat format )
 825 {
 826     if (format == wxPATH_NATIVE)
 827     {
 828 #if defined(__WXMSW__) || defined(__WXPM__)
 829         format = wxPATH_DOS;
 830 #elif defined(__WXMAC__) && !defined(__DARWIN__)
 831         format = wxPATH_MAC;
 832 #elif defined(__VMS)
 833         format = wxPATH_VMS;
 834 #else
 835         format = wxPATH_UNIX;
 836 #endif
 837     }
 838     return format;
 839 }
 840
 841 // ----------------------------------------------------------------------------
 842 // path splitting function
 843 // ----------------------------------------------------------------------------
 844
 845 void wxFileName::SplitPath(const wxString& fullpath,
 846                            wxString *pstrPath,
 847                            wxString *pstrName,
 848                            wxString *pstrExt,
 849                            wxPathFormat format)
 850 {
 851     format = GetFormat(format);
 852
 853     // find the positions of the last dot and last path separator in the path
 854     size_t posLastDot = fullpath.find_last_of(wxFILE_SEP_EXT);
 855     size_t posLastSlash = fullpath.find_last_of(GetPathSeparators(format));
 856
 857     if ( (posLastDot != wxString::npos) && (format == wxPATH_UNIX) )
 858     {
 859         if ( (posLastDot == 0) ||
 860              (fullpath[posLastDot - 1] == wxFILE_SEP_PATH_UNIX) )
 861         {
 862             // under Unix, dot may be (and commonly is) the first character of
 863             // the filename, don't treat the entire filename as extension in
 864             // this case
 865             posLastDot = wxString::npos;
 866         }
 867     }
 868     else
 869      if ( (posLastDot != wxString::npos) && (format == wxPATH_VMS) )
 870     {
 871         if ( (posLastDot == 0) ||
 872              (fullpath[posLastDot - 1] == ']' ) )
 873         {
 874             // under OpenVMS, dot may be (and commonly is) the first character of
 875             // the filename, don't treat the entire filename as extension in
 876             // this case
 877             posLastDot = wxString::npos;
 878         }
 879     }
 880
 881     // if we do have a dot and a slash, check that the dot is in the name part
 882     if ( (posLastDot != wxString::npos) &&
 883          (posLastSlash != wxString::npos) &&
 884          (posLastDot < posLastSlash) )
 885     {
 886         // the dot is part of the path, not the start of the extension
 887         posLastDot = wxString::npos;
 888     }
 889
 890     // now fill in the variables provided by user
 891     if ( pstrPath )
 892     {
 893         if ( posLastSlash == wxString::npos )
 894         {
 895             // no path at all
 896             pstrPath->Empty();
 897         }
 898         else
 899         {
 900             // take all until the separator
 901             *pstrPath = fullpath.Left(posLastSlash);
 902         }
 903     }
 904
 905     if ( pstrName )
 906     {
 907         // take all characters starting from the one after the last slash and
 908         // up to, but excluding, the last dot
 909         size_t nStart = posLastSlash == wxString::npos ? 0 : posLastSlash + 1;
 910         size_t count;
 911         if ( posLastDot == wxString::npos )
 912         {
 913             // take all until the end
 914             count = wxString::npos;
 915         }
 916         else if ( posLastSlash == wxString::npos )
 917         {
 918             count = posLastDot;
 919         }
 920         else // have both dot and slash
 921         {
 922             count = posLastDot - posLastSlash - 1;
 923         }
 924
 925         *pstrName = fullpath.Mid(nStart, count);
 926     }
 927
 928     if ( pstrExt )
 929     {
 930         if ( posLastDot == wxString::npos )
 931         {
 932             // no extension
 933             pstrExt->Empty();
 934         }
 935         else
 936         {
 937             // take everything after the dot
 938             *pstrExt = fullpath.Mid(posLastDot + 1);
 939         }
 940     }
 941 }
 942
 943 // ----------------------------------------------------------------------------
 944 // time functions
 945 // ----------------------------------------------------------------------------
 946
 947 bool wxFileName::SetTimes(const wxDateTime *dtCreate,
 948                           const wxDateTime *dtAccess,
 949                           const wxDateTime *dtMod)
 950 {
 951 #if defined(__UNIX_LIKE__)
 952     if ( !dtAccess && !dtMod )
 953     {
 954         // can't modify the creation time anyhow, don't try
 955         return TRUE;
 956     }
 957
 958     // if dtAccess or dtMod is not specified, use the other one (which must be
 959     // non NULL because of the test above) for both times
 960     utimbuf utm;
 961     utm.actime = dtAccess ? dtAccess->GetTicks() : dtMod->GetTicks();
 962     utm.modtime = dtMod ? dtMod->GetTicks() : dtAccess->GetTicks();
 963     if ( utime(GetFullPath(), &utm) == 0 )
 964     {
 965         return TRUE;
 966     }
 967 #elif defined(__WIN32__)
 968     wxFileHandle fh(GetFullPath());
 969     if ( fh.IsOk() )
 970     {
 971         FILETIME ftAccess, ftCreate, ftWrite;
 972
 973         if ( dtCreate )
 974             ConvertWxToFileTime(&ftCreate, *dtCreate);
 975         if ( dtAccess )
 976             ConvertWxToFileTime(&ftAccess, *dtAccess);
 977         if ( dtMod )
 978             ConvertWxToFileTime(&ftWrite, *dtMod);
 979
 980         if ( ::SetFileTime(fh,
 981                            dtCreate ? &ftCreate : NULL,
 982                            dtAccess ? &ftAccess : NULL,
 983                            dtMod ? &ftWrite : NULL) )
 984         {
 985             return TRUE;
 986         }
 987     }
 988 #else // other platform
 989 #endif // platforms
 990
 991     wxLogSysError(_("Failed to modify file times for '%s'"),
 992                   GetFullPath().c_str());
 993
 994     return FALSE;
 995 }
 996
 997 bool wxFileName::Touch()
 998 {
 999 #if defined(__UNIX_LIKE__)
1000     // under Unix touching file is simple: just pass NULL to utime()
1001     if ( utime(GetFullPath(), NULL) == 0 )
1002     {
1003         return TRUE;
1004     }
1005
1006     wxLogSysError(_("Failed to touch the file '%s'"), GetFullPath().c_str());
1007
1008     return FALSE;
1009 #else // other platform
1010     wxDateTime dtNow = wxDateTime::Now();
1011
1012     return SetTimes(NULL /* don't change create time */, &dtNow, &dtNow);
1013 #endif // platforms
1014 }
1015
1016 bool wxFileName::GetTimes(wxDateTime *dtAccess,
1017                           wxDateTime *dtMod,
1018                           wxDateTime *dtChange) const
1019 {
1020 #if defined(__UNIX_LIKE__)
1021     wxStructStat stBuf;
1022     if ( wxStat(GetFullPath(), &stBuf) == 0 )
1023     {
1024         if ( dtAccess )
1025             dtAccess->Set(stBuf.st_atime);
1026         if ( dtMod )
1027             dtMod->Set(stBuf.st_mtime);
1028         if ( dtChange )
1029             dtChange->Set(stBuf.st_ctime);
1030
1031         return TRUE;
1032     }
1033 #elif defined(__WIN32__)
1034     wxFileHandle fh(GetFullPath());
1035     if ( fh.IsOk() )
1036     {
1037         FILETIME ftAccess, ftCreate, ftWrite;
1038
1039         if ( ::GetFileTime(fh,
1040                            dtMod ? &ftCreate : NULL,
1041                            dtAccess ? &ftAccess : NULL,
1042                            dtChange ? &ftWrite : NULL) )
1043         {
1044             if ( dtMod )
1045                 ConvertFileTimeToWx(dtMod, ftCreate);
1046             if ( dtAccess )
1047                 ConvertFileTimeToWx(dtAccess, ftAccess);
1048             if ( dtChange )
1049                 ConvertFileTimeToWx(dtChange, ftWrite);
1050
1051             return TRUE;
1052         }
1053     }
1054 #else // other platform
1055 #endif // platforms
1056
1057     wxLogSysError(_("Failed to retrieve file times for '%s'"),
1058                   GetFullPath().c_str());
1059
1060     return FALSE;
1061 }
1062