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 #ifdef __MWERKS__
  61     #include <stat.h>
  62     #include <unistd.h>
  63     #include <unix.h>
  64 #endif
  65
  66 // ----------------------------------------------------------------------------
  67 // private classes
  68 // ----------------------------------------------------------------------------
  69
  70 // small helper class which opens and closes the file - we use it just to get
  71 // a file handle for the given file name to pass it to some Win32 API function
  72 #ifdef __WIN32__
  73
  74 class wxFileHandle
  75 {
  76 public:
  77     wxFileHandle(const wxString& filename)
  78     {
  79         m_hFile = ::CreateFile
  80                     (
  81                      filename,          // name
  82                      GENERIC_READ,      // access mask
  83                      0,                 // no sharing
  84                      NULL,              // no secutity attr
  85                      OPEN_EXISTING,     // creation disposition
  86                      0,                 // no flags
  87                      NULL               // no template file
  88                     );
  89
  90         if ( m_hFile == INVALID_HANDLE_VALUE )
  91         {
  92             wxLogSysError(_("Failed to open '%s' for reading"),
  93                           filename.c_str());
  94         }
  95     }
  96
  97     ~wxFileHandle()
  98     {
  99         if ( m_hFile != INVALID_HANDLE_VALUE )
 100         {
 101             if ( !::CloseHandle(m_hFile) )
 102             {
 103                 wxLogSysError(_("Failed to close file handle"));
 104             }
 105         }
 106     }
 107
 108     // return TRUE only if the file could be opened successfully
 109     bool IsOk() const { return m_hFile != INVALID_HANDLE_VALUE; }
 110
 111     // get the handle
 112     operator HANDLE() const { return m_hFile; }
 113
 114 private:
 115     HANDLE m_hFile;
 116 };
 117
 118 #endif // __WIN32__
 119
 120 // ----------------------------------------------------------------------------
 121 // private functions
 122 // ----------------------------------------------------------------------------
 123
 124 #ifdef __WIN32__
 125
 126 // convert between wxDateTime and FILETIME which is a 64-bit value representing
 127 // the number of 100-nanosecond intervals since January 1, 1601.
 128
 129 // the number of milliseconds between the Unix Epoch (January 1, 1970) and the
 130 // FILETIME reference point (January 1, 1601)
 131 static const wxLongLong FILETIME_EPOCH_OFFSET = wxLongLong(0xa97, 0x30b66800);
 132
 133 static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft)
 134 {
 135     wxLongLong ll(ft.dwHighDateTime, ft.dwLowDateTime);
 136
 137     // convert 100ns to ms
 138     ll /= 10000;
 139
 140     // move it to our Epoch
 141     ll -= FILETIME_EPOCH_OFFSET;
 142
 143     *dt = wxDateTime(ll);
 144 }
 145
 146 static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt)
 147 {
 148     // do the reverse of ConvertFileTimeToWx()
 149     wxLongLong ll = dt.GetValue();
 150     ll *= 10000;
 151     ll += FILETIME_EPOCH_OFFSET;
 152
 153     ft->dwHighDateTime = ll.GetHi();
 154     ft->dwLowDateTime = ll.GetLo();
 155 }
 156
 157 #endif // __WIN32__
 158
 159 // ============================================================================
 160 // implementation
 161 // ============================================================================
 162
 163 // ----------------------------------------------------------------------------
 164 // wxFileName construction
 165 // ----------------------------------------------------------------------------
 166
 167 void wxFileName::Assign( const wxFileName &filepath )
 168 {
 169     m_ext = filepath.GetExt();
 170     m_name = filepath.GetName();
 171     m_dirs = filepath.GetDirs();
 172 }
 173
 174 void wxFileName::Assign( const wxString& path,
 175                          const wxString& name,
 176                          const wxString& ext,
 177                          wxPathFormat format )
 178 {
 179     wxStringTokenizer tn(path, GetPathSeparators(format),
 180                          wxTOKEN_RET_EMPTY_ALL);
 181     int i = 0;
 182     m_dirs.Clear();
 183     while ( tn.HasMoreTokens() )
 184     {
 185         wxString token = tn.GetNextToken();
 186
 187         // If the path starts with a slash (or two for a network path),
 188         // we need the first dir entry to be an empty for later reassembly.
 189         if ((i < 2) || !token.IsEmpty())
 190             m_dirs.Add( token );
 191
 192         i ++;
 193     }
 194
 195     m_ext = ext;
 196     m_name = name;
 197 }
 198
 199 void wxFileName::Assign(const wxString& fullpath,
 200                         wxPathFormat format)
 201 {
 202     wxString path, name, ext;
 203     SplitPath(fullpath, &path, &name, &ext, format);
 204
 205     Assign(path, name, ext, format);
 206 }
 207
 208 void wxFileName::Assign(const wxString& path,
 209                         const wxString& fullname,
 210                         wxPathFormat format)
 211 {
 212     wxString name, ext;
 213     SplitPath(fullname, NULL /* no path */, &name, &ext, format);
 214
 215     Assign(path, name, ext, format);
 216 }
 217
 218 void wxFileName::Clear()
 219 {
 220     m_dirs.Clear();
 221     m_name =
 222     m_ext = wxEmptyString;
 223 }
 224
 225 /* static */
 226 wxFileName wxFileName::FileName(const wxString& file)
 227 {
 228     return wxFileName(file);
 229 }
 230
 231 /* static */
 232 wxFileName wxFileName::DirName(const wxString& dir)
 233 {
 234     wxFileName fn;
 235     fn.AssignDir(dir);
 236     return fn;
 237 }
 238
 239 // ----------------------------------------------------------------------------
 240 // existence tests
 241 // ----------------------------------------------------------------------------
 242
 243 bool wxFileName::FileExists()
 244 {
 245     return wxFileName::FileExists( GetFullPath() );
 246 }
 247
 248 bool wxFileName::FileExists( const wxString &file )
 249 {
 250     return ::wxFileExists( file );
 251 }
 252
 253 bool wxFileName::DirExists()
 254 {
 255     return wxFileName::DirExists( GetFullPath() );
 256 }
 257
 258 bool wxFileName::DirExists( const wxString &dir )
 259 {
 260     return ::wxDirExists( dir );
 261 }
 262
 263 // ----------------------------------------------------------------------------
 264 // CWD and HOME stuff
 265 // ----------------------------------------------------------------------------
 266
 267 void wxFileName::AssignCwd()
 268 {
 269     AssignDir(wxFileName::GetCwd());
 270 }
 271
 272 /* static */
 273 wxString wxFileName::GetCwd()
 274 {
 275     return ::wxGetCwd();
 276 }
 277
 278 bool wxFileName::SetCwd()
 279 {
 280     return wxFileName::SetCwd( GetFullPath() );
 281 }
 282
 283 bool wxFileName::SetCwd( const wxString &cwd )
 284 {
 285     return ::wxSetWorkingDirectory( cwd );
 286 }
 287
 288 void wxFileName::AssignHomeDir()
 289 {
 290     AssignDir(wxFileName::GetHomeDir());
 291 }
 292
 293 wxString wxFileName::GetHomeDir()
 294 {
 295     return ::wxGetHomeDir();
 296 }
 297
 298 void wxFileName::AssignTempFileName( const wxString &prefix )
 299 {
 300     wxString fullname;
 301     if ( wxGetTempFileName(prefix, fullname) )
 302     {
 303         Assign(fullname);
 304     }
 305     else // error
 306     {
 307         Clear();
 308     }
 309 }
 310
 311 // ----------------------------------------------------------------------------
 312 // directory operations
 313 // ----------------------------------------------------------------------------
 314
 315 bool wxFileName::Mkdir( int perm, bool full )
 316 {
 317     return wxFileName::Mkdir( GetFullPath(), perm, full );
 318 }
 319
 320 bool wxFileName::Mkdir( const wxString &dir, int perm, bool full )
 321 {
 322     if (full)
 323     {
 324         wxFileName filename(dir);
 325         wxArrayString dirs = filename.GetDirs();
 326         dirs.Add(filename.GetName());
 327
 328         size_t count = dirs.GetCount();
 329         size_t i;
 330         wxString currPath;
 331         int noErrors = 0;
 332         for ( i = 0; i < count; i++ )
 333         {
 334             currPath += dirs[i];
 335
 336             if (currPath.Last() == wxT(':'))
 337             {
 338                 // Can't create a root directory so continue to next dir
 339                 currPath += wxFILE_SEP_PATH;
 340                 continue;
 341             }
 342
 343             if (!DirExists(currPath))
 344                 if (!wxMkdir(currPath, perm))
 345                     noErrors ++;
 346
 347             if ( (i < (count-1)) )
 348                 currPath += wxFILE_SEP_PATH;
 349         }
 350
 351         return (noErrors == 0);
 352
 353     }
 354     else
 355         return ::wxMkdir( dir, perm );
 356 }
 357
 358 bool wxFileName::Rmdir()
 359 {
 360     return wxFileName::Rmdir( GetFullPath() );
 361 }
 362
 363 bool wxFileName::Rmdir( const wxString &dir )
 364 {
 365     return ::wxRmdir( dir );
 366 }
 367
 368 // ----------------------------------------------------------------------------
 369 // path normalization
 370 // ----------------------------------------------------------------------------
 371
 372 bool wxFileName::Normalize(wxPathNormalize flags,
 373                            const wxString& cwd,
 374                            wxPathFormat format)
 375 {
 376     // the existing path components
 377     wxArrayString dirs = GetDirs();
 378
 379     // the path to prepend in front to make the path absolute
 380     wxFileName curDir;
 381
 382     format = GetFormat(format);
 383
 384     // make the path absolute
 385     if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute() )
 386     {
 387         if ( cwd.empty() )
 388             curDir.AssignCwd();
 389         else
 390             curDir.AssignDir(cwd);
 391     }
 392
 393     // handle ~ stuff under Unix only
 394     if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) )
 395     {
 396         if ( !dirs.IsEmpty() )
 397         {
 398             wxString dir = dirs[0u];
 399             if ( !dir.empty() && dir[0u] == _T('~') )
 400             {
 401                 curDir.AssignDir(wxGetUserHome(dir.c_str() + 1));
 402
 403                 dirs.RemoveAt(0u);
 404             }
 405         }
 406     }
 407
 408     if ( curDir.IsOk() )
 409     {
 410         wxArrayString dirsNew = curDir.GetDirs();
 411         size_t count = dirs.GetCount();
 412         for ( size_t n = 0; n < count; n++ )
 413         {
 414             dirsNew.Add(dirs[n]);
 415         }
 416
 417         dirs = dirsNew;
 418     }
 419
 420     // now deal with ".", ".." and the rest
 421     m_dirs.Empty();
 422     size_t count = dirs.GetCount();
 423     for ( size_t n = 0; n < count; n++ )
 424     {
 425         wxString dir = dirs[n];
 426
 427         if ( flags && wxPATH_NORM_DOTS )
 428         {
 429             if ( dir == wxT(".") )
 430             {
 431                 // just ignore
 432                 continue;
 433             }
 434
 435             if ( dir == wxT("..") )
 436             {
 437                 if ( m_dirs.IsEmpty() )
 438                 {
 439                     wxLogError(_("The path '%s' contains too many \"..\"!"),
 440                                GetFullPath().c_str());
 441                     return FALSE;
 442                 }
 443
 444                 m_dirs.Remove(m_dirs.GetCount() - 1);
 445                 continue;
 446             }
 447         }
 448
 449         if ( flags & wxPATH_NORM_ENV_VARS )
 450         {
 451             dir = wxExpandEnvVars(dir);
 452         }
 453
 454         if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
 455         {
 456             dir.MakeLower();
 457         }
 458
 459         m_dirs.Add(dir);
 460     }
 461
 462     if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
 463     {
 464         // VZ: expand env vars here too?
 465
 466         m_name.MakeLower();
 467         m_ext.MakeLower();
 468     }
 469
 470 #if defined(__WXMSW__) && defined(__WIN32__)
 471     if (flags & wxPATH_NORM_LONG)
 472     {
 473         Assign(GetLongPath());
 474     }
 475 #endif
 476
 477     return TRUE;
 478 }
 479
 480 // ----------------------------------------------------------------------------
 481 // filename kind tests
 482 // ----------------------------------------------------------------------------
 483
 484 bool wxFileName::SameAs( const wxFileName &filepath, wxPathFormat format)
 485 {
 486     wxFileName fn1 = *this,
 487                fn2 = filepath;
 488
 489     // get cwd only once - small time saving
 490     wxString cwd = wxGetCwd();
 491     fn1.Normalize(wxPATH_NORM_ALL, cwd, format);
 492     fn2.Normalize(wxPATH_NORM_ALL, cwd, format);
 493
 494     if ( fn1.GetFullPath() == fn2.GetFullPath() )
 495         return TRUE;
 496
 497     // TODO: compare inodes for Unix, this works even when filenames are
 498     //       different but files are the same (symlinks) (VZ)
 499
 500     return FALSE;
 501 }
 502
 503 /* static */
 504 bool wxFileName::IsCaseSensitive( wxPathFormat format )
 505 {
 506     // only DOS and OpenVMS filenames are case-sensitive
 507     return GetFormat(format) != wxPATH_DOS && GetFormat(format) != wxPATH_VMS;
 508 }
 509
 510 bool wxFileName::IsRelative( wxPathFormat format )
 511 {
 512     return !IsAbsolute(format);
 513 }
 514
 515 bool wxFileName::IsAbsolute( wxPathFormat format )
 516 {
 517     wxChar ch = m_dirs.IsEmpty() ? _T('\0') : m_dirs[0u][0u];
 518
 519     // Hack to cope with e.g. c:\thing - need something better
 520     wxChar driveSep = _T('\0');
 521     if (!m_dirs.IsEmpty() && m_dirs[0].Length() > 1)
 522         driveSep = m_dirs[0u][1u];
 523
 524     // the path is absolute if it starts with a path separator or, only for
 525     // Unix filenames, with "~" or "~user"
 526     return IsPathSeparator(ch, format) ||
 527            driveSep == _T(':') ||
 528            (GetFormat(format) == wxPATH_UNIX && ch == _T('~') );
 529 }
 530
 531 /* static */
 532 wxString wxFileName::GetPathSeparators(wxPathFormat format)
 533 {
 534     wxString seps;
 535     switch ( GetFormat(format) )
 536     {
 537         case wxPATH_DOS:
 538             // accept both as native APIs do
 539             seps << wxFILE_SEP_PATH_UNIX << wxFILE_SEP_PATH_DOS;
 540             break;
 541
 542         default:
 543             wxFAIL_MSG( _T("unknown wxPATH_XXX style") );
 544             // fall through
 545
 546         case wxPATH_UNIX:
 547             seps = wxFILE_SEP_PATH_UNIX;
 548             break;
 549
 550         case wxPATH_MAC:
 551             seps = wxFILE_SEP_PATH_MAC;
 552             break;
 553
 554         case wxPATH_VMS:
 555             seps = wxFILE_SEP_PATH_VMS;
 556             break;
 557     }
 558
 559     return seps;
 560 }
 561
 562 /* static */
 563 bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format)
 564 {
 565     return GetPathSeparators(format).Find(ch) != wxNOT_FOUND;
 566 }
 567
 568 bool wxFileName::IsWild( wxPathFormat format )
 569 {
 570     // FIXME: this is probably false for Mac and this is surely wrong for most
 571     //        of Unix shells (think about "[...]")
 572         (void)format;
 573     return m_name.find_first_of(_T("*?")) != wxString::npos;
 574 }
 575
 576 // ----------------------------------------------------------------------------
 577 // path components manipulation
 578 // ----------------------------------------------------------------------------
 579
 580 void wxFileName::AppendDir( const wxString &dir )
 581 {
 582     m_dirs.Add( dir );
 583 }
 584
 585 void wxFileName::PrependDir( const wxString &dir )
 586 {
 587     m_dirs.Insert( dir, 0 );
 588 }
 589
 590 void wxFileName::InsertDir( int before, const wxString &dir )
 591 {
 592     m_dirs.Insert( dir, before );
 593 }
 594
 595 void wxFileName::RemoveDir( int pos )
 596 {
 597     m_dirs.Remove( (size_t)pos );
 598 }
 599
 600 // ----------------------------------------------------------------------------
 601 // accessors
 602 // ----------------------------------------------------------------------------
 603
 604 void wxFileName::SetFullName(const wxString& fullname)
 605 {
 606     SplitPath(fullname, NULL /* no path */, &m_name, &m_ext);
 607 }
 608
 609 wxString wxFileName::GetFullName() const
 610 {
 611     wxString fullname = m_name;
 612     if ( !m_ext.empty() )
 613     {
 614         fullname << wxFILE_SEP_EXT << m_ext;
 615     }
 616
 617     return fullname;
 618 }
 619
 620 wxString wxFileName::GetPath( bool add_separator, wxPathFormat format ) const
 621 {
 622     format = GetFormat( format );
 623
 624     wxString ret;
 625     size_t count = m_dirs.GetCount();
 626     for ( size_t i = 0; i < count; i++ )
 627     {
 628         ret += m_dirs[i];
 629         if ( add_separator || (i < count) )
 630             ret += wxFILE_SEP_PATH;
 631     }
 632
 633     return ret;
 634 }
 635
 636 wxString wxFileName::GetFullPath( wxPathFormat format ) const
 637 {
 638     format = GetFormat( format );
 639
 640     wxString ret;
 641     if (format == wxPATH_DOS)
 642     {
 643         for (size_t i = 0; i < m_dirs.GetCount(); i++)
 644         {
 645             ret += m_dirs[i];
 646             ret += '\\';
 647         }
 648     }
 649     else
 650     if (format == wxPATH_UNIX)
 651     {
 652         for (size_t i = 0; i < m_dirs.GetCount(); i++)
 653         {
 654             ret += m_dirs[i];
 655             ret += '/';
 656         }
 657     }
 658     else
 659     if (format == wxPATH_VMS)
 660     {
 661        ret += '[';
 662         for (size_t i = 0; i < m_dirs.GetCount(); i++)
 663         {
 664             ret += '.';
 665             ret += m_dirs[i];
 666         }
 667        ret += ']';
 668     }
 669     else
 670     {
 671         for (size_t i = 0; i < m_dirs.GetCount(); i++)
 672         {
 673             ret += m_dirs[i];
 674             ret += ':';
 675         }
 676     }
 677
 678     ret += m_name;
 679
 680     if (!m_ext.IsEmpty())
 681     {
 682         ret += '.';
 683         ret += m_ext;
 684     }
 685
 686     return ret;
 687 }
 688
 689 // Return the short form of the path (returns identity on non-Windows platforms)
 690 wxString wxFileName::GetShortPath() const
 691 {
 692 #if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__)
 693     wxString path(GetFullPath());
 694     wxString pathOut;
 695     DWORD sz = ::GetShortPathName(path, NULL, 0);
 696     bool ok = sz != 0;
 697     if ( ok )
 698     {
 699         ok = ::GetShortPathName
 700                (
 701                 path,
 702                 pathOut.GetWriteBuf(sz),
 703                 sz
 704                ) != 0;
 705         pathOut.UngetWriteBuf();
 706     }
 707     if (ok)
 708         return pathOut;
 709
 710     return path;
 711 #else
 712     return GetFullPath();
 713 #endif
 714 }
 715
 716 // Return the long form of the path (returns identity on non-Windows platforms)
 717 wxString wxFileName::GetLongPath() const
 718 {
 719 #if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__)
 720     wxString path(GetFullPath());
 721     wxString pathOut;
 722     bool success = FALSE;
 723
 724     // VZ: this code was disabled, why?
 725 #if 0 // wxUSE_DYNLIB_CLASS
 726     typedef DWORD (*GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD);
 727
 728     static bool s_triedToLoad = FALSE;
 729
 730     if ( !s_triedToLoad )
 731     {
 732         s_triedToLoad = TRUE;
 733         wxDllType dllKernel = wxDllLoader::LoadLibrary(_T("kernel32"));
 734         if ( dllKernel )
 735         {
 736             // may succeed or fail depending on the Windows version
 737                         static GET_LONG_PATH_NAME s_pfnGetLongPathName = NULL;
 738 #ifdef _UNICODE
 739             s_pfnGetLongPathName = (GET_LONG_PATH_NAME) wxDllLoader::GetSymbol(dllKernel, _T("GetLongPathNameW"));
 740 #else
 741             s_pfnGetLongPathName = (GET_LONG_PATH_NAME) wxDllLoader::GetSymbol(dllKernel, _T("GetLongPathNameA"));
 742 #endif
 743
 744             wxDllLoader::UnloadLibrary(dllKernel);
 745
 746             if ( s_pfnGetLongPathName )
 747             {
 748                 DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0);
 749                 bool ok = dwSize > 0;
 750
 751                 if ( ok )
 752                 {
 753                     DWORD sz = (*s_pfnGetLongPathName)(path, NULL, 0);
 754                     ok = sz != 0;
 755                     if ( ok )
 756                     {
 757                         ok = (*s_pfnGetLongPathName)
 758                                 (
 759                                 path,
 760                                 pathOut.GetWriteBuf(sz),
 761                                 sz
 762                                 ) != 0;
 763                         pathOut.UngetWriteBuf();
 764
 765                         success = TRUE;
 766                     }
 767                 }
 768             }
 769         }
 770     }
 771     if (success)
 772         return pathOut;
 773 #endif // wxUSE_DYNLIB_CLASS
 774
 775     if (!success)
 776     {
 777         // The OS didn't support GetLongPathName, or some other error.
 778         // We need to call FindFirstFile on each component in turn.
 779
 780         WIN32_FIND_DATA findFileData;
 781         HANDLE hFind;
 782         pathOut = wxEmptyString;
 783
 784         wxArrayString dirs = GetDirs();
 785         dirs.Add(GetFullName());
 786
 787         size_t count = dirs.GetCount();
 788         size_t i;
 789         wxString tmpPath;
 790
 791         for ( i = 0; i < count; i++ )
 792         {
 793             // We're using pathOut to collect the long-name path,
 794             // but using a temporary for appending the last path component which may be short-name
 795             tmpPath = pathOut + dirs[i];
 796
 797             if (tmpPath.Last() == wxT(':'))
 798             {
 799                 // Can't pass a drive and root dir to FindFirstFile,
 800                 // so continue to next dir
 801                 tmpPath += wxFILE_SEP_PATH;
 802                 pathOut = tmpPath;
 803                 continue;
 804             }
 805
 806             hFind = ::FindFirstFile(tmpPath, &findFileData);
 807             if (hFind == INVALID_HANDLE_VALUE)
 808             {
 809                 // Error: return immediately with the original path
 810                 return path;
 811             }
 812             else
 813             {
 814                 pathOut += findFileData.cFileName;
 815                 if ( (i < (count-1)) )
 816                     pathOut += wxFILE_SEP_PATH;
 817
 818                 ::FindClose(hFind);
 819             }
 820         }
 821     }
 822
 823     return pathOut;
 824 #else
 825     return GetFullPath();
 826 #endif
 827 }
 828
 829 wxPathFormat wxFileName::GetFormat( wxPathFormat format )
 830 {
 831     if (format == wxPATH_NATIVE)
 832     {
 833 #if defined(__WXMSW__) || defined(__WXPM__)
 834         format = wxPATH_DOS;
 835 #elif defined(__WXMAC__) && !defined(__DARWIN__)
 836         format = wxPATH_MAC;
 837 #elif defined(__VMS)
 838         format = wxPATH_VMS;
 839 #else
 840         format = wxPATH_UNIX;
 841 #endif
 842     }
 843     return format;
 844 }
 845
 846 // ----------------------------------------------------------------------------
 847 // path splitting function
 848 // ----------------------------------------------------------------------------
 849
 850 void wxFileName::SplitPath(const wxString& fullpath,
 851                            wxString *pstrPath,
 852                            wxString *pstrName,
 853                            wxString *pstrExt,
 854                            wxPathFormat format)
 855 {
 856     format = GetFormat(format);
 857
 858     // find the positions of the last dot and last path separator in the path
 859     size_t posLastDot = fullpath.find_last_of(wxFILE_SEP_EXT);
 860     size_t posLastSlash = fullpath.find_last_of(GetPathSeparators(format));
 861
 862     if ( (posLastDot != wxString::npos) && (format == wxPATH_UNIX) )
 863     {
 864         if ( (posLastDot == 0) ||
 865              (fullpath[posLastDot - 1] == wxFILE_SEP_PATH_UNIX) )
 866         {
 867             // under Unix, dot may be (and commonly is) the first character of
 868             // the filename, don't treat the entire filename as extension in
 869             // this case
 870             posLastDot = wxString::npos;
 871         }
 872     }
 873     else
 874      if ( (posLastDot != wxString::npos) && (format == wxPATH_VMS) )
 875     {
 876         if ( (posLastDot == 0) ||
 877              (fullpath[posLastDot - 1] == ']' ) )
 878         {
 879             // under OpenVMS, dot may be (and commonly is) the first character of
 880             // the filename, don't treat the entire filename as extension in
 881             // this case
 882             posLastDot = wxString::npos;
 883         }
 884     }
 885
 886     // if we do have a dot and a slash, check that the dot is in the name part
 887     if ( (posLastDot != wxString::npos) &&
 888          (posLastSlash != wxString::npos) &&
 889          (posLastDot < posLastSlash) )
 890     {
 891         // the dot is part of the path, not the start of the extension
 892         posLastDot = wxString::npos;
 893     }
 894
 895     // now fill in the variables provided by user
 896     if ( pstrPath )
 897     {
 898         if ( posLastSlash == wxString::npos )
 899         {
 900             // no path at all
 901             pstrPath->Empty();
 902         }
 903         else
 904         {
 905             // take all until the separator
 906             *pstrPath = fullpath.Left(posLastSlash);
 907         }
 908     }
 909
 910     if ( pstrName )
 911     {
 912         // take all characters starting from the one after the last slash and
 913         // up to, but excluding, the last dot
 914         size_t nStart = posLastSlash == wxString::npos ? 0 : posLastSlash + 1;
 915         size_t count;
 916         if ( posLastDot == wxString::npos )
 917         {
 918             // take all until the end
 919             count = wxString::npos;
 920         }
 921         else if ( posLastSlash == wxString::npos )
 922         {
 923             count = posLastDot;
 924         }
 925         else // have both dot and slash
 926         {
 927             count = posLastDot - posLastSlash - 1;
 928         }
 929
 930         *pstrName = fullpath.Mid(nStart, count);
 931     }
 932
 933     if ( pstrExt )
 934     {
 935         if ( posLastDot == wxString::npos )
 936         {
 937             // no extension
 938             pstrExt->Empty();
 939         }
 940         else
 941         {
 942             // take everything after the dot
 943             *pstrExt = fullpath.Mid(posLastDot + 1);
 944         }
 945     }
 946 }
 947
 948 // ----------------------------------------------------------------------------
 949 // time functions
 950 // ----------------------------------------------------------------------------
 951
 952 bool wxFileName::SetTimes(const wxDateTime *dtCreate,
 953                           const wxDateTime *dtAccess,
 954                           const wxDateTime *dtMod)
 955 {
 956 #if defined(__UNIX_LIKE__)
 957     if ( !dtAccess && !dtMod )
 958     {
 959         // can't modify the creation time anyhow, don't try
 960         return TRUE;
 961     }
 962
 963     // if dtAccess or dtMod is not specified, use the other one (which must be
 964     // non NULL because of the test above) for both times
 965     utimbuf utm;
 966     utm.actime = dtAccess ? dtAccess->GetTicks() : dtMod->GetTicks();
 967     utm.modtime = dtMod ? dtMod->GetTicks() : dtAccess->GetTicks();
 968     if ( utime(GetFullPath(), &utm) == 0 )
 969     {
 970         return TRUE;
 971     }
 972 #elif defined(__WIN32__)
 973     wxFileHandle fh(GetFullPath());
 974     if ( fh.IsOk() )
 975     {
 976         FILETIME ftAccess, ftCreate, ftWrite;
 977
 978         if ( dtCreate )
 979             ConvertWxToFileTime(&ftCreate, *dtCreate);
 980         if ( dtAccess )
 981             ConvertWxToFileTime(&ftAccess, *dtAccess);
 982         if ( dtMod )
 983             ConvertWxToFileTime(&ftWrite, *dtMod);
 984
 985         if ( ::SetFileTime(fh,
 986                            dtCreate ? &ftCreate : NULL,
 987                            dtAccess ? &ftAccess : NULL,
 988                            dtMod ? &ftWrite : NULL) )
 989         {
 990             return TRUE;
 991         }
 992     }
 993 #else // other platform
 994 #endif // platforms
 995
 996     wxLogSysError(_("Failed to modify file times for '%s'"),
 997                   GetFullPath().c_str());
 998
 999     return FALSE;
1000 }
1001
1002 bool wxFileName::Touch()
1003 {
1004 #if defined(__UNIX_LIKE__)
1005     // under Unix touching file is simple: just pass NULL to utime()
1006     if ( utime(GetFullPath(), NULL) == 0 )
1007     {
1008         return TRUE;
1009     }
1010
1011     wxLogSysError(_("Failed to touch the file '%s'"), GetFullPath().c_str());
1012
1013     return FALSE;
1014 #else // other platform
1015     wxDateTime dtNow = wxDateTime::Now();
1016
1017     return SetTimes(NULL /* don't change create time */, &dtNow, &dtNow);
1018 #endif // platforms
1019 }
1020
1021 bool wxFileName::GetTimes(wxDateTime *dtAccess,
1022                           wxDateTime *dtMod,
1023                           wxDateTime *dtChange) const
1024 {
1025 #if defined(__UNIX_LIKE__)
1026     wxStructStat stBuf;
1027     if ( wxStat(GetFullPath(), &stBuf) == 0 )
1028     {
1029         if ( dtAccess )
1030             dtAccess->Set(stBuf.st_atime);
1031         if ( dtMod )
1032             dtMod->Set(stBuf.st_mtime);
1033         if ( dtChange )
1034             dtChange->Set(stBuf.st_ctime);
1035
1036         return TRUE;
1037     }
1038 #elif defined(__WXMAC__)
1039     wxStructStat stBuf;
1040     if ( wxStat(GetFullPath(), &stBuf) == 0 )
1041     {
1042         if ( dtAccess )
1043             dtAccess->Set(stBuf.st_atime);
1044         if ( dtMod )
1045             dtMod->Set(stBuf.st_mtime);
1046         if ( dtChange )
1047             dtChange->Set(stBuf.st_ctime);
1048
1049         return TRUE;
1050     }
1051 #elif defined(__WIN32__)
1052     wxFileHandle fh(GetFullPath());
1053     if ( fh.IsOk() )
1054     {
1055         FILETIME ftAccess, ftCreate, ftWrite;
1056
1057         if ( ::GetFileTime(fh,
1058                            dtMod ? &ftCreate : NULL,
1059                            dtAccess ? &ftAccess : NULL,
1060                            dtChange ? &ftWrite : NULL) )
1061         {
1062             if ( dtMod )
1063                 ConvertFileTimeToWx(dtMod, ftCreate);
1064             if ( dtAccess )
1065                 ConvertFileTimeToWx(dtAccess, ftAccess);
1066             if ( dtChange )
1067                 ConvertFileTimeToWx(dtChange, ftWrite);
1068
1069             return TRUE;
1070         }
1071     }
1072 #else // other platform
1073 #endif // platforms
1074
1075     wxLogSysError(_("Failed to retrieve file times for '%s'"),
1076                   GetFullPath().c_str());
1077
1078     return FALSE;
1079 }
1080