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 licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 /*
  13    Here are brief descriptions of the filename formats supported by this class:
  14
  15    wxPATH_UNIX: standard Unix format, used under Darwin as well, absolute file
  16                 names have the form:
  17                 /dir1/dir2/.../dirN/filename, "." and ".." stand for the
  18                 current and parent directory respectively, "~" is parsed as the
  19                 user HOME and "~username" as the HOME of that user
  20
  21    wxPATH_DOS:  DOS/Windows format, absolute file names have the form:
  22                 drive:\dir1\dir2\...\dirN\filename.ext where drive is a single
  23                 letter. "." and ".." as for Unix but no "~".
  24
  25                 There are also UNC names of the form \\share\fullpath
  26
  27    wxPATH_MAC:  Mac OS 8/9 and Mac OS X under CodeWarrior 7 format, absolute file
  28                 names have the form
  29                     volume:dir1:...:dirN:filename
  30                 and the relative file names are either
  31                     :dir1:...:dirN:filename
  32                 or just
  33                     filename
  34                 (although :filename works as well).
  35                 Since the volume is just part of the file path, it is not
  36                 treated like a separate entity as it is done under DOS and
  37                 VMS, it is just treated as another dir.
  38
  39    wxPATH_VMS:  VMS native format, absolute file names have the form
  40                     <device>:[dir1.dir2.dir3]file.txt
  41                 or
  42                     <device>:[000000.dir1.dir2.dir3]file.txt
  43
  44                 the <device> is the physical device (i.e. disk). 000000 is the
  45                 root directory on the device which can be omitted.
  46
  47                 Note that VMS uses different separators unlike Unix:
  48                  : always after the device. If the path does not contain : than
  49                    the default (the device of the current directory) is assumed.
  50                  [ start of directory specification
  51                  . separator between directory and subdirectory
  52                  ] between directory and file
  53  */
  54
  55 // ============================================================================
  56 // declarations
  57 // ============================================================================
  58
  59 // ----------------------------------------------------------------------------
  60 // headers
  61 // ----------------------------------------------------------------------------
  62
  63 // For compilers that support precompilation, includes "wx.h".
  64 #include "wx/wxprec.h"
  65
  66 #ifdef __BORLANDC__
  67 #pragma hdrstop
  68 #endif
  69
  70 #ifndef WX_PRECOMP
  71     #ifdef __WXMSW__
  72         #include "wx/msw/wrapwin.h" // For GetShort/LongPathName
  73     #endif
  74     #include "wx/dynarray.h"
  75     #include "wx/intl.h"
  76     #include "wx/log.h"
  77     #include "wx/utils.h"
  78     #include "wx/crt.h"
  79 #endif
  80
  81 #include "wx/filename.h"
  82 #include "wx/private/filename.h"
  83 #include "wx/tokenzr.h"
  84 #include "wx/config.h"          // for wxExpandEnvVars
  85 #include "wx/dynlib.h"
  86 #include "wx/dir.h"
  87
  88 #if defined(__WIN32__) && defined(__MINGW32__)
  89     #include "wx/msw/gccpriv.h"
  90 #endif
  91
  92 #ifdef __WXWINCE__
  93 #include "wx/msw/private.h"
  94 #endif
  95
  96 #if defined(__WXMAC__)
  97   #include  "wx/osx/private.h"  // includes mac headers
  98 #endif
  99
 100 // utime() is POSIX so should normally be available on all Unices
 101 #ifdef __UNIX_LIKE__
 102 #include <sys/types.h>
 103 #include <utime.h>
 104 #include <sys/stat.h>
 105 #include <unistd.h>
 106 #endif
 107
 108 #ifdef __DJGPP__
 109 #include <unistd.h>
 110 #endif
 111
 112 #ifdef __MWERKS__
 113 #ifdef __MACH__
 114 #include <sys/types.h>
 115 #include <utime.h>
 116 #include <sys/stat.h>
 117 #include <unistd.h>
 118 #else
 119 #include <stat.h>
 120 #include <unistd.h>
 121 #include <unix.h>
 122 #endif
 123 #endif
 124
 125 #ifdef __WATCOMC__
 126 #include <io.h>
 127 #include <sys/utime.h>
 128 #include <sys/stat.h>
 129 #endif
 130
 131 #ifdef __VISAGECPP__
 132 #ifndef MAX_PATH
 133 #define MAX_PATH 256
 134 #endif
 135 #endif
 136
 137 #ifdef __EMX__
 138 #include <os2.h>
 139 #define MAX_PATH _MAX_PATH
 140 #endif
 141
 142
 143 #if wxUSE_LONGLONG
 144 extern const wxULongLong wxInvalidSize = (unsigned)-1;
 145 #endif // wxUSE_LONGLONG
 146
 147 namespace
 148 {
 149
 150 // ----------------------------------------------------------------------------
 151 // private classes
 152 // ----------------------------------------------------------------------------
 153
 154 // small helper class which opens and closes the file - we use it just to get
 155 // a file handle for the given file name to pass it to some Win32 API function
 156 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
 157
 158 class wxFileHandle
 159 {
 160 public:
 161     enum OpenMode
 162     {
 163         ReadAttr,
 164         WriteAttr
 165     };
 166
 167     wxFileHandle(const wxString& filename, OpenMode mode, int flags = 0)
 168     {
 169         // be careful and use FILE_{READ,WRITE}_ATTRIBUTES here instead of the
 170         // usual GENERIC_{READ,WRITE} as we don't want the file access time to
 171         // be changed when we open it because this class is used for setting
 172         // access time (see #10567)
 173         m_hFile = ::CreateFile
 174                     (
 175                      filename.fn_str(),             // name
 176                      mode == ReadAttr ? FILE_READ_ATTRIBUTES    // access mask
 177                                       : FILE_WRITE_ATTRIBUTES,
 178                      FILE_SHARE_READ |              // sharing mode
 179                      FILE_SHARE_WRITE,              // (allow everything)
 180                      NULL,                          // no secutity attr
 181                      OPEN_EXISTING,                 // creation disposition
 182                      flags,                         // flags
 183                      NULL                           // no template file
 184                     );
 185
 186         if ( m_hFile == INVALID_HANDLE_VALUE )
 187         {
 188             if ( mode == ReadAttr )
 189             {
 190                 wxLogSysError(_("Failed to open '%s' for reading"),
 191                               filename.c_str());
 192             }
 193             else
 194             {
 195                 wxLogSysError(_("Failed to open '%s' for writing"),
 196                               filename.c_str());
 197             }
 198         }
 199     }
 200
 201     ~wxFileHandle()
 202     {
 203         if ( m_hFile != INVALID_HANDLE_VALUE )
 204         {
 205             if ( !::CloseHandle(m_hFile) )
 206             {
 207                 wxLogSysError(_("Failed to close file handle"));
 208             }
 209         }
 210     }
 211
 212     // return true only if the file could be opened successfully
 213     bool IsOk() const { return m_hFile != INVALID_HANDLE_VALUE; }
 214
 215     // get the handle
 216     operator HANDLE() const { return m_hFile; }
 217
 218 private:
 219     HANDLE m_hFile;
 220 };
 221
 222 #endif // __WIN32__
 223
 224 // ----------------------------------------------------------------------------
 225 // private functions
 226 // ----------------------------------------------------------------------------
 227
 228 #if wxUSE_DATETIME && defined(__WIN32__) && !defined(__WXMICROWIN__)
 229
 230 // convert between wxDateTime and FILETIME which is a 64-bit value representing
 231 // the number of 100-nanosecond intervals since January 1, 1601.
 232
 233 static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft)
 234 {
 235     FILETIME ftcopy = ft;
 236     FILETIME ftLocal;
 237     if ( !::FileTimeToLocalFileTime(&ftcopy, &ftLocal) )
 238     {
 239         wxLogLastError(wxT("FileTimeToLocalFileTime"));
 240     }
 241
 242     SYSTEMTIME st;
 243     if ( !::FileTimeToSystemTime(&ftLocal, &st) )
 244     {
 245         wxLogLastError(wxT("FileTimeToSystemTime"));
 246     }
 247
 248     dt->Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear,
 249             st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
 250 }
 251
 252 static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt)
 253 {
 254     SYSTEMTIME st;
 255     st.wDay = dt.GetDay();
 256     st.wMonth = (WORD)(dt.GetMonth() + 1);
 257     st.wYear = (WORD)dt.GetYear();
 258     st.wHour = dt.GetHour();
 259     st.wMinute = dt.GetMinute();
 260     st.wSecond = dt.GetSecond();
 261     st.wMilliseconds = dt.GetMillisecond();
 262
 263     FILETIME ftLocal;
 264     if ( !::SystemTimeToFileTime(&st, &ftLocal) )
 265     {
 266         wxLogLastError(wxT("SystemTimeToFileTime"));
 267     }
 268
 269     if ( !::LocalFileTimeToFileTime(&ftLocal, ft) )
 270     {
 271         wxLogLastError(wxT("LocalFileTimeToFileTime"));
 272     }
 273 }
 274
 275 #endif // wxUSE_DATETIME && __WIN32__
 276
 277 // return a string with the volume par
 278 static wxString wxGetVolumeString(const wxString& volume, wxPathFormat format)
 279 {
 280     wxString path;
 281
 282     if ( !volume.empty() )
 283     {
 284         format = wxFileName::GetFormat(format);
 285
 286         // Special Windows UNC paths hack, part 2: undo what we did in
 287         // SplitPath() and make an UNC path if we have a drive which is not a
 288         // single letter (hopefully the network shares can't be one letter only
 289         // although I didn't find any authoritative docs on this)
 290         if ( format == wxPATH_DOS && volume.length() > 1 )
 291         {
 292             path << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_DOS << volume;
 293         }
 294         else if  ( format == wxPATH_DOS || format == wxPATH_VMS )
 295         {
 296             path << volume << wxFileName::GetVolumeSeparator(format);
 297         }
 298         // else ignore
 299     }
 300
 301     return path;
 302 }
 303
 304 // return true if the character is a DOS path separator i.e. either a slash or
 305 // a backslash
 306 inline bool IsDOSPathSep(wxUniChar ch)
 307 {
 308     return ch == wxFILE_SEP_PATH_DOS || ch == wxFILE_SEP_PATH_UNIX;
 309 }
 310
 311 // return true if the format used is the DOS/Windows one and the string looks
 312 // like a UNC path
 313 static bool IsUNCPath(const wxString& path, wxPathFormat format)
 314 {
 315     return format == wxPATH_DOS &&
 316                 path.length() >= 4 && // "\\a" can't be a UNC path
 317                     IsDOSPathSep(path[0u]) &&
 318                         IsDOSPathSep(path[1u]) &&
 319                             !IsDOSPathSep(path[2u]);
 320 }
 321
 322 } // anonymous namespace
 323
 324 // ============================================================================
 325 // implementation
 326 // ============================================================================
 327
 328 // ----------------------------------------------------------------------------
 329 // wxFileName construction
 330 // ----------------------------------------------------------------------------
 331
 332 void wxFileName::Assign( const wxFileName &filepath )
 333 {
 334     m_volume = filepath.GetVolume();
 335     m_dirs = filepath.GetDirs();
 336     m_name = filepath.GetName();
 337     m_ext = filepath.GetExt();
 338     m_relative = filepath.m_relative;
 339     m_hasExt = filepath.m_hasExt;
 340 }
 341
 342 void wxFileName::Assign(const wxString& volume,
 343                         const wxString& path,
 344                         const wxString& name,
 345                         const wxString& ext,
 346                         bool hasExt,
 347                         wxPathFormat format)
 348 {
 349     // we should ignore paths which look like UNC shares because we already
 350     // have the volume here and the UNC notation (\\server\path) is only valid
 351     // for paths which don't start with a volume, so prevent SetPath() from
 352     // recognizing "\\foo\bar" in "c:\\foo\bar" as an UNC path
 353     //
 354     // note also that this is a rather ugly way to do what we want (passing
 355     // some kind of flag telling to ignore UNC paths to SetPath() would be
 356     // better) but this is the safest thing to do to avoid breaking backwards
 357     // compatibility in 2.8
 358     if ( IsUNCPath(path, format) )
 359     {
 360         // remove one of the 2 leading backslashes to ensure that it's not
 361         // recognized as an UNC path by SetPath()
 362         wxString pathNonUNC(path, 1, wxString::npos);
 363         SetPath(pathNonUNC, format);
 364     }
 365     else // no UNC complications
 366     {
 367         SetPath(path, format);
 368     }
 369
 370     m_volume = volume;
 371     m_ext = ext;
 372     m_name = name;
 373
 374     m_hasExt = hasExt;
 375 }
 376
 377 void wxFileName::SetPath( const wxString& pathOrig, wxPathFormat format )
 378 {
 379     m_dirs.Clear();
 380
 381     if ( pathOrig.empty() )
 382     {
 383         // no path at all
 384         m_relative = true;
 385
 386         return;
 387     }
 388
 389     format = GetFormat( format );
 390
 391     // 0) deal with possible volume part first
 392     wxString volume,
 393              path;
 394     SplitVolume(pathOrig, &volume, &path, format);
 395     if ( !volume.empty() )
 396     {
 397         m_relative = false;
 398
 399         SetVolume(volume);
 400     }
 401
 402     // 1) Determine if the path is relative or absolute.
 403
 404     if ( path.empty() )
 405     {
 406         // we had only the volume
 407         return;
 408     }
 409
 410     wxChar leadingChar = path[0u];
 411
 412     switch (format)
 413     {
 414         case wxPATH_MAC:
 415             m_relative = leadingChar == wxT(':');
 416
 417             // We then remove a leading ":". The reason is in our
 418             // storage form for relative paths:
 419             // ":dir:file.txt" actually means "./dir/file.txt" in
 420             // DOS notation and should get stored as
 421             // (relative) (dir) (file.txt)
 422             // "::dir:file.txt" actually means "../dir/file.txt"
 423             // stored as (relative) (..) (dir) (file.txt)
 424             // This is important only for the Mac as an empty dir
 425             // actually means <UP>, whereas under DOS, double
 426             // slashes can be ignored: "\\\\" is the same as "\\".
 427             if (m_relative)
 428                 path.erase( 0, 1 );
 429             break;
 430
 431         case wxPATH_VMS:
 432             // TODO: what is the relative path format here?
 433             m_relative = false;
 434             break;
 435
 436         default:
 437             wxFAIL_MSG( wxT("Unknown path format") );
 438             // !! Fall through !!
 439
 440         case wxPATH_UNIX:
 441             m_relative = leadingChar != wxT('/');
 442             break;
 443
 444         case wxPATH_DOS:
 445             m_relative = !IsPathSeparator(leadingChar, format);
 446             break;
 447
 448     }
 449
 450     // 2) Break up the path into its members. If the original path
 451     //    was just "/" or "\\", m_dirs will be empty. We know from
 452     //    the m_relative field, if this means "nothing" or "root dir".
 453
 454     wxStringTokenizer tn( path, GetPathSeparators(format) );
 455
 456     while ( tn.HasMoreTokens() )
 457     {
 458         wxString token = tn.GetNextToken();
 459
 460         // Remove empty token under DOS and Unix, interpret them
 461         // as .. under Mac.
 462         if (token.empty())
 463         {
 464             if (format == wxPATH_MAC)
 465                 m_dirs.Add( wxT("..") );
 466             // else ignore
 467         }
 468         else
 469         {
 470            m_dirs.Add( token );
 471         }
 472     }
 473 }
 474
 475 void wxFileName::Assign(const wxString& fullpath,
 476                         wxPathFormat format)
 477 {
 478     wxString volume, path, name, ext;
 479     bool hasExt;
 480     SplitPath(fullpath, &volume, &path, &name, &ext, &hasExt, format);
 481
 482     Assign(volume, path, name, ext, hasExt, format);
 483 }
 484
 485 void wxFileName::Assign(const wxString& fullpathOrig,
 486                         const wxString& fullname,
 487                         wxPathFormat format)
 488 {
 489     // always recognize fullpath as directory, even if it doesn't end with a
 490     // slash
 491     wxString fullpath = fullpathOrig;
 492     if ( !fullpath.empty() && !wxEndsWithPathSeparator(fullpath) )
 493     {
 494         fullpath += GetPathSeparator(format);
 495     }
 496
 497     wxString volume, path, name, ext;
 498     bool hasExt;
 499
 500     // do some consistency checks: the name should be really just the filename
 501     // and the path should be really just a path
 502     wxString volDummy, pathDummy, nameDummy, extDummy;
 503
 504     SplitPath(fullname, &volDummy, &pathDummy, &name, &ext, &hasExt, format);
 505
 506     wxASSERT_MSG( volDummy.empty() && pathDummy.empty(),
 507                   wxT("the file name shouldn't contain the path") );
 508
 509     SplitPath(fullpath, &volume, &path, &nameDummy, &extDummy, format);
 510
 511 #ifndef __VMS
 512    // This test makes no sense on an OpenVMS system.
 513    wxASSERT_MSG( nameDummy.empty() && extDummy.empty(),
 514                   wxT("the path shouldn't contain file name nor extension") );
 515 #endif
 516     Assign(volume, path, name, ext, hasExt, format);
 517 }
 518
 519 void wxFileName::Assign(const wxString& pathOrig,
 520                         const wxString& name,
 521                         const wxString& ext,
 522                         wxPathFormat format)
 523 {
 524     wxString volume,
 525              path;
 526     SplitVolume(pathOrig, &volume, &path, format);
 527
 528     Assign(volume, path, name, ext, format);
 529 }
 530
 531 void wxFileName::AssignDir(const wxString& dir, wxPathFormat format)
 532 {
 533     Assign(dir, wxEmptyString, format);
 534 }
 535
 536 void wxFileName::Clear()
 537 {
 538     m_dirs.Clear();
 539
 540     m_volume =
 541     m_name =
 542     m_ext = wxEmptyString;
 543
 544     // we don't have any absolute path for now
 545     m_relative = true;
 546
 547     // nor any extension
 548     m_hasExt = false;
 549 }
 550
 551 /* static */
 552 wxFileName wxFileName::FileName(const wxString& file, wxPathFormat format)
 553 {
 554     return wxFileName(file, format);
 555 }
 556
 557 /* static */
 558 wxFileName wxFileName::DirName(const wxString& dir, wxPathFormat format)
 559 {
 560     wxFileName fn;
 561     fn.AssignDir(dir, format);
 562     return fn;
 563 }
 564
 565 // ----------------------------------------------------------------------------
 566 // existence tests
 567 // ----------------------------------------------------------------------------
 568
 569 bool wxFileName::FileExists() const
 570 {
 571     return wxFileName::FileExists( GetFullPath() );
 572 }
 573
 574 bool wxFileName::FileExists( const wxString &file )
 575 {
 576     return ::wxFileExists( file );
 577 }
 578
 579 bool wxFileName::DirExists() const
 580 {
 581     return wxFileName::DirExists( GetPath() );
 582 }
 583
 584 bool wxFileName::DirExists( const wxString &dir )
 585 {
 586     return ::wxDirExists( dir );
 587 }
 588
 589 // ----------------------------------------------------------------------------
 590 // CWD and HOME stuff
 591 // ----------------------------------------------------------------------------
 592
 593 void wxFileName::AssignCwd(const wxString& volume)
 594 {
 595     AssignDir(wxFileName::GetCwd(volume));
 596 }
 597
 598 /* static */
 599 wxString wxFileName::GetCwd(const wxString& volume)
 600 {
 601     // if we have the volume, we must get the current directory on this drive
 602     // and to do this we have to chdir to this volume - at least under Windows,
 603     // I don't know how to get the current drive on another volume elsewhere
 604     // (TODO)
 605     wxString cwdOld;
 606     if ( !volume.empty() )
 607     {
 608         cwdOld = wxGetCwd();
 609         SetCwd(volume + GetVolumeSeparator());
 610     }
 611
 612     wxString cwd = ::wxGetCwd();
 613
 614     if ( !volume.empty() )
 615     {
 616         SetCwd(cwdOld);
 617     }
 618
 619     return cwd;
 620 }
 621
 622 bool wxFileName::SetCwd() const
 623 {
 624     return wxFileName::SetCwd( GetPath() );
 625 }
 626
 627 bool wxFileName::SetCwd( const wxString &cwd )
 628 {
 629     return ::wxSetWorkingDirectory( cwd );
 630 }
 631
 632 void wxFileName::AssignHomeDir()
 633 {
 634     AssignDir(wxFileName::GetHomeDir());
 635 }
 636
 637 wxString wxFileName::GetHomeDir()
 638 {
 639     return ::wxGetHomeDir();
 640 }
 641
 642
 643 // ----------------------------------------------------------------------------
 644 // CreateTempFileName
 645 // ----------------------------------------------------------------------------
 646
 647 #if wxUSE_FILE || wxUSE_FFILE
 648
 649
 650 #if !defined wx_fdopen && defined HAVE_FDOPEN
 651     #define wx_fdopen fdopen
 652 #endif
 653
 654 // NB: GetTempFileName() under Windows creates the file, so using
 655 //     O_EXCL there would fail
 656 #ifdef __WINDOWS__
 657     #define wxOPEN_EXCL 0
 658 #else
 659     #define wxOPEN_EXCL O_EXCL
 660 #endif
 661
 662
 663 #ifdef wxOpenOSFHandle
 664 #define WX_HAVE_DELETE_ON_CLOSE
 665 // On Windows create a file with the FILE_FLAGS_DELETE_ON_CLOSE flags.
 666 //
 667 static int wxOpenWithDeleteOnClose(const wxString& filename)
 668 {
 669     DWORD access = GENERIC_READ | GENERIC_WRITE;
 670
 671     DWORD disposition = OPEN_ALWAYS;
 672
 673     DWORD attributes = FILE_ATTRIBUTE_TEMPORARY |
 674                        FILE_FLAG_DELETE_ON_CLOSE;
 675
 676     HANDLE h = ::CreateFile(filename.fn_str(), access, 0, NULL,
 677                             disposition, attributes, NULL);
 678
 679     return wxOpenOSFHandle(h, wxO_BINARY);
 680 }
 681 #endif // wxOpenOSFHandle
 682
 683
 684 // Helper to open the file
 685 //
 686 static int wxTempOpen(const wxString& path, bool *deleteOnClose)
 687 {
 688 #ifdef WX_HAVE_DELETE_ON_CLOSE
 689     if (*deleteOnClose)
 690         return wxOpenWithDeleteOnClose(path);
 691 #endif
 692
 693     *deleteOnClose = false;
 694
 695     return wxOpen(path, wxO_BINARY | O_RDWR | O_CREAT | wxOPEN_EXCL, 0600);
 696 }
 697
 698
 699 #if wxUSE_FFILE
 700 // Helper to open the file and attach it to the wxFFile
 701 //
 702 static bool wxTempOpen(wxFFile *file, const wxString& path, bool *deleteOnClose)
 703 {
 704 #ifndef wx_fdopen
 705     *deleteOnClose = false;
 706     return file->Open(path, wxT("w+b"));
 707 #else // wx_fdopen
 708     int fd = wxTempOpen(path, deleteOnClose);
 709     if (fd == -1)
 710         return false;
 711     file->Attach(wx_fdopen(fd, "w+b"));
 712     return file->IsOpened();
 713 #endif // wx_fdopen
 714 }
 715 #endif // wxUSE_FFILE
 716
 717
 718 #if !wxUSE_FILE
 719     #define WXFILEARGS(x, y) y
 720 #elif !wxUSE_FFILE
 721     #define WXFILEARGS(x, y) x
 722 #else
 723     #define WXFILEARGS(x, y) x, y
 724 #endif
 725
 726
 727 // Implementation of wxFileName::CreateTempFileName().
 728 //
 729 static wxString wxCreateTempImpl(
 730         const wxString& prefix,
 731         WXFILEARGS(wxFile *fileTemp, wxFFile *ffileTemp),
 732         bool *deleteOnClose = NULL)
 733 {
 734 #if wxUSE_FILE && wxUSE_FFILE
 735     wxASSERT(fileTemp == NULL || ffileTemp == NULL);
 736 #endif
 737     wxString path, dir, name;
 738     bool wantDeleteOnClose = false;
 739
 740     if (deleteOnClose)
 741     {
 742         // set the result to false initially
 743         wantDeleteOnClose = *deleteOnClose;
 744         *deleteOnClose = false;
 745     }
 746     else
 747     {
 748         // easier if it alwasys points to something
 749         deleteOnClose = &wantDeleteOnClose;
 750     }
 751
 752     // use the directory specified by the prefix
 753     wxFileName::SplitPath(prefix, &dir, &name, NULL /* extension */);
 754
 755     if (dir.empty())
 756     {
 757         dir = wxFileName::GetTempDir();
 758     }
 759
 760 #if defined(__WXWINCE__)
 761     path = dir + wxT("\\") + name;
 762     int i = 1;
 763     while (wxFileName::FileExists(path))
 764     {
 765         path = dir + wxT("\\") + name ;
 766         path << i;
 767         i ++;
 768     }
 769
 770 #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
 771     if ( !::GetTempFileName(dir.fn_str(), name.fn_str(), 0,
 772                             wxStringBuffer(path, MAX_PATH + 1)) )
 773     {
 774         wxLogLastError(wxT("GetTempFileName"));
 775
 776         path.clear();
 777     }
 778
 779 #else // !Windows
 780     path = dir;
 781
 782     if ( !wxEndsWithPathSeparator(dir) &&
 783             (name.empty() || !wxIsPathSeparator(name[0u])) )
 784     {
 785         path += wxFILE_SEP_PATH;
 786     }
 787
 788     path += name;
 789
 790 #if defined(HAVE_MKSTEMP)
 791     // scratch space for mkstemp()
 792     path += wxT("XXXXXX");
 793
 794     // we need to copy the path to the buffer in which mkstemp() can modify it
 795     wxCharBuffer buf(path.fn_str());
 796
 797     // cast is safe because the string length doesn't change
 798     int fdTemp = mkstemp( (char*)(const char*) buf );
 799     if ( fdTemp == -1 )
 800     {
 801         // this might be not necessary as mkstemp() on most systems should have
 802         // already done it but it doesn't hurt neither...
 803         path.clear();
 804     }
 805     else // mkstemp() succeeded
 806     {
 807         path = wxConvFile.cMB2WX( (const char*) buf );
 808
 809     #if wxUSE_FILE
 810         // avoid leaking the fd
 811         if ( fileTemp )
 812         {
 813             fileTemp->Attach(fdTemp);
 814         }
 815         else
 816     #endif
 817
 818     #if wxUSE_FFILE
 819         if ( ffileTemp )
 820         {
 821         #ifdef wx_fdopen
 822             ffileTemp->Attach(wx_fdopen(fdTemp, "r+b"));
 823         #else
 824             ffileTemp->Open(path, wxT("r+b"));
 825             close(fdTemp);
 826         #endif
 827         }
 828         else
 829     #endif
 830
 831         {
 832             close(fdTemp);
 833         }
 834     }
 835 #else // !HAVE_MKSTEMP
 836
 837 #ifdef HAVE_MKTEMP
 838     // same as above
 839     path += wxT("XXXXXX");
 840
 841     wxCharBuffer buf = wxConvFile.cWX2MB( path );
 842     if ( !mktemp( (char*)(const char*) buf ) )
 843     {
 844         path.clear();
 845     }
 846     else
 847     {
 848         path = wxConvFile.cMB2WX( (const char*) buf );
 849     }
 850 #else // !HAVE_MKTEMP (includes __DOS__)
 851     // generate the unique file name ourselves
 852     #if !defined(__DOS__) && !defined(__PALMOS__) && (!defined(__MWERKS__) || defined(__DARWIN__) )
 853     path << (unsigned int)getpid();
 854     #endif
 855
 856     wxString pathTry;
 857
 858     static const size_t numTries = 1000;
 859     for ( size_t n = 0; n < numTries; n++ )
 860     {
 861         // 3 hex digits is enough for numTries == 1000 < 4096
 862         pathTry = path + wxString::Format(wxT("%.03x"), (unsigned int) n);
 863         if ( !wxFileName::FileExists(pathTry) )
 864         {
 865             break;
 866         }
 867
 868         pathTry.clear();
 869     }
 870
 871     path = pathTry;
 872 #endif // HAVE_MKTEMP/!HAVE_MKTEMP
 873
 874 #endif // HAVE_MKSTEMP/!HAVE_MKSTEMP
 875
 876 #endif // Windows/!Windows
 877
 878     if ( path.empty() )
 879     {
 880         wxLogSysError(_("Failed to create a temporary file name"));
 881     }
 882     else
 883     {
 884         bool ok = true;
 885
 886         // open the file - of course, there is a race condition here, this is
 887         // why we always prefer using mkstemp()...
 888     #if wxUSE_FILE
 889         if ( fileTemp && !fileTemp->IsOpened() )
 890         {
 891             *deleteOnClose = wantDeleteOnClose;
 892             int fd = wxTempOpen(path, deleteOnClose);
 893             if (fd != -1)
 894                 fileTemp->Attach(fd);
 895             else
 896                 ok = false;
 897         }
 898     #endif
 899
 900     #if wxUSE_FFILE
 901         if ( ffileTemp && !ffileTemp->IsOpened() )
 902         {
 903             *deleteOnClose = wantDeleteOnClose;
 904             ok = wxTempOpen(ffileTemp, path, deleteOnClose);
 905         }
 906     #endif
 907
 908         if ( !ok )
 909         {
 910             // FIXME: If !ok here should we loop and try again with another
 911             //        file name?  That is the standard recourse if open(O_EXCL)
 912             //        fails, though of course it should be protected against
 913             //        possible infinite looping too.
 914
 915             wxLogError(_("Failed to open temporary file."));
 916
 917             path.clear();
 918         }
 919     }
 920
 921     return path;
 922 }
 923
 924
 925 static bool wxCreateTempImpl(
 926         const wxString& prefix,
 927         WXFILEARGS(wxFile *fileTemp, wxFFile *ffileTemp),
 928         wxString *name)
 929 {
 930     bool deleteOnClose = true;
 931
 932     *name = wxCreateTempImpl(prefix,
 933                              WXFILEARGS(fileTemp, ffileTemp),
 934                              &deleteOnClose);
 935
 936     bool ok = !name->empty();
 937
 938     if (deleteOnClose)
 939         name->clear();
 940 #ifdef __UNIX__
 941     else if (ok && wxRemoveFile(*name))
 942         name->clear();
 943 #endif
 944
 945     return ok;
 946 }
 947
 948
 949 static void wxAssignTempImpl(
 950         wxFileName *fn,
 951         const wxString& prefix,
 952         WXFILEARGS(wxFile *fileTemp, wxFFile *ffileTemp))
 953 {
 954     wxString tempname;
 955     tempname = wxCreateTempImpl(prefix, WXFILEARGS(fileTemp, ffileTemp));
 956
 957     if ( tempname.empty() )
 958     {
 959         // error, failed to get temp file name
 960         fn->Clear();
 961     }
 962     else // ok
 963     {
 964         fn->Assign(tempname);
 965     }
 966 }
 967
 968
 969 void wxFileName::AssignTempFileName(const wxString& prefix)
 970 {
 971     wxAssignTempImpl(this, prefix, WXFILEARGS(NULL, NULL));
 972 }
 973
 974 /* static */
 975 wxString wxFileName::CreateTempFileName(const wxString& prefix)
 976 {
 977     return wxCreateTempImpl(prefix, WXFILEARGS(NULL, NULL));
 978 }
 979
 980 #endif // wxUSE_FILE || wxUSE_FFILE
 981
 982
 983 #if wxUSE_FILE
 984
 985 wxString wxCreateTempFileName(const wxString& prefix,
 986                               wxFile *fileTemp,
 987                               bool *deleteOnClose)
 988 {
 989     return wxCreateTempImpl(prefix, WXFILEARGS(fileTemp, NULL), deleteOnClose);
 990 }
 991
 992 bool wxCreateTempFile(const wxString& prefix,
 993                       wxFile *fileTemp,
 994                       wxString *name)
 995 {
 996     return wxCreateTempImpl(prefix, WXFILEARGS(fileTemp, NULL), name);
 997 }
 998
 999 void wxFileName::AssignTempFileName(const wxString& prefix, wxFile *fileTemp)
1000 {
1001     wxAssignTempImpl(this, prefix, WXFILEARGS(fileTemp, NULL));
1002 }
1003
1004 /* static */
1005 wxString
1006 wxFileName::CreateTempFileName(const wxString& prefix, wxFile *fileTemp)
1007 {
1008     return wxCreateTempFileName(prefix, fileTemp);
1009 }
1010
1011 #endif // wxUSE_FILE
1012
1013
1014 #if wxUSE_FFILE
1015
1016 wxString wxCreateTempFileName(const wxString& prefix,
1017                               wxFFile *fileTemp,
1018                               bool *deleteOnClose)
1019 {
1020     return wxCreateTempImpl(prefix, WXFILEARGS(NULL, fileTemp), deleteOnClose);
1021 }
1022
1023 bool wxCreateTempFile(const wxString& prefix,
1024                       wxFFile *fileTemp,
1025                       wxString *name)
1026 {
1027     return wxCreateTempImpl(prefix, WXFILEARGS(NULL, fileTemp), name);
1028
1029 }
1030
1031 void wxFileName::AssignTempFileName(const wxString& prefix, wxFFile *fileTemp)
1032 {
1033     wxAssignTempImpl(this, prefix, WXFILEARGS(NULL, fileTemp));
1034 }
1035
1036 /* static */
1037 wxString
1038 wxFileName::CreateTempFileName(const wxString& prefix, wxFFile *fileTemp)
1039 {
1040     return wxCreateTempFileName(prefix, fileTemp);
1041 }
1042
1043 #endif // wxUSE_FFILE
1044
1045
1046 // ----------------------------------------------------------------------------
1047 // directory operations
1048 // ----------------------------------------------------------------------------
1049
1050 // helper of GetTempDir(): check if the given directory exists and return it if
1051 // it does or an empty string otherwise
1052 namespace
1053 {
1054
1055 wxString CheckIfDirExists(const wxString& dir)
1056 {
1057     return wxFileName::DirExists(dir) ? dir : wxString();
1058 }
1059
1060 } // anonymous namespace
1061
1062 wxString wxFileName::GetTempDir()
1063 {
1064     // first try getting it from environment: this allows overriding the values
1065     // used by default if the user wants to create temporary files in another
1066     // directory
1067     wxString dir = CheckIfDirExists(wxGetenv("TMPDIR"));
1068     if ( dir.empty() )
1069     {
1070         dir = CheckIfDirExists(wxGetenv("TMP"));
1071         if ( dir.empty() )
1072             dir = CheckIfDirExists(wxGetenv("TEMP"));
1073     }
1074
1075     // if no environment variables are set, use the system default
1076     if ( dir.empty() )
1077     {
1078 #if defined(__WXWINCE__)
1079         dir = CheckIfDirExists(wxT("\\temp"));
1080 #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1081         if ( !::GetTempPath(MAX_PATH, wxStringBuffer(dir, MAX_PATH + 1)) )
1082         {
1083             wxLogLastError(wxT("GetTempPath"));
1084         }
1085 #elif defined(__WXMAC__) && wxOSX_USE_CARBON
1086         dir = wxMacFindFolder(short(kOnSystemDisk), kTemporaryFolderType, kCreateFolder);
1087 #endif // systems with native way
1088     }
1089
1090     // fall back to hard coded value
1091     if ( dir.empty() )
1092     {
1093 #ifdef __UNIX_LIKE__
1094         dir = CheckIfDirExists("/tmp");
1095         if ( dir.empty() )
1096 #endif // __UNIX_LIKE__
1097             dir = ".";
1098     }
1099
1100     return dir;
1101 }
1102
1103 bool wxFileName::Mkdir( int perm, int flags ) const
1104 {
1105     return wxFileName::Mkdir(GetPath(), perm, flags);
1106 }
1107
1108 bool wxFileName::Mkdir( const wxString& dir, int perm, int flags )
1109 {
1110     if ( flags & wxPATH_MKDIR_FULL )
1111     {
1112         // split the path in components
1113         wxFileName filename;
1114         filename.AssignDir(dir);
1115
1116         wxString currPath;
1117         if ( filename.HasVolume())
1118         {
1119             currPath << wxGetVolumeString(filename.GetVolume(), wxPATH_NATIVE);
1120         }
1121
1122         wxArrayString dirs = filename.GetDirs();
1123         size_t count = dirs.GetCount();
1124         for ( size_t i = 0; i < count; i++ )
1125         {
1126             if ( i > 0 || filename.IsAbsolute() )
1127                 currPath += wxFILE_SEP_PATH;
1128             currPath += dirs[i];
1129
1130             if (!DirExists(currPath))
1131             {
1132                 if (!wxMkdir(currPath, perm))
1133                 {
1134                     // no need to try creating further directories
1135                     return false;
1136                 }
1137             }
1138         }
1139
1140         return true;
1141
1142     }
1143
1144     return ::wxMkdir( dir, perm );
1145 }
1146
1147 bool wxFileName::Rmdir(int flags) const
1148 {
1149     return wxFileName::Rmdir( GetPath(), flags );
1150 }
1151
1152 bool wxFileName::Rmdir(const wxString& dir, int flags)
1153 {
1154 #ifdef __WXMSW__
1155     if ( flags & wxPATH_RMDIR_RECURSIVE )
1156     {
1157         // SHFileOperation needs double null termination string
1158         // but without separator at the end of the path
1159         wxString path(dir);
1160         if ( path.Last() == wxFILE_SEP_PATH )
1161             path.RemoveLast();
1162         path += wxT('\0');
1163
1164         SHFILEOPSTRUCT fileop;
1165         wxZeroMemory(fileop);
1166         fileop.wFunc = FO_DELETE;
1167         fileop.pFrom = path.fn_str();
1168         fileop.fFlags = FOF_SILENT | FOF_NOCONFIRMATION;
1169     #ifndef __WXWINCE__
1170         // FOF_NOERRORUI is not defined in WinCE
1171         fileop.fFlags |= FOF_NOERRORUI;
1172     #endif
1173
1174         int ret = SHFileOperation(&fileop);
1175         if ( ret != 0 )
1176         {
1177             // SHFileOperation may return non-Win32 error codes, so the error
1178             // message can be incorrect
1179             wxLogApiError(wxT("SHFileOperation"), ret);
1180             return false;
1181         }
1182
1183         return true;
1184     }
1185     else if ( flags & wxPATH_RMDIR_FULL )
1186 #else // !__WXMSW__
1187     if ( flags != 0 )   // wxPATH_RMDIR_FULL or wxPATH_RMDIR_RECURSIVE
1188 #endif // !__WXMSW__
1189     {
1190         wxString path(dir);
1191         if ( path.Last() != wxFILE_SEP_PATH )
1192             path += wxFILE_SEP_PATH;
1193
1194         wxDir d(path);
1195
1196         if ( !d.IsOpened() )
1197             return false;
1198
1199         wxString filename;
1200
1201         // first delete all subdirectories
1202         bool cont = d.GetFirst(&filename, "", wxDIR_DIRS | wxDIR_HIDDEN);
1203         while ( cont )
1204         {
1205             wxFileName::Rmdir(path + filename, flags);
1206             cont = d.GetNext(&filename);
1207         }
1208
1209 #ifndef __WXMSW__
1210         if ( flags & wxPATH_RMDIR_RECURSIVE )
1211         {
1212             // delete all files too
1213             cont = d.GetFirst(&filename, "", wxDIR_FILES | wxDIR_HIDDEN);
1214             while ( cont )
1215             {
1216                 ::wxRemoveFile(path + filename);
1217                 cont = d.GetNext(&filename);
1218             }
1219         }
1220 #endif // !__WXMSW__
1221     }
1222
1223     return ::wxRmdir(dir);
1224 }
1225
1226 // ----------------------------------------------------------------------------
1227 // path normalization
1228 // ----------------------------------------------------------------------------
1229
1230 bool wxFileName::Normalize(int flags,
1231                            const wxString& cwd,
1232                            wxPathFormat format)
1233 {
1234     // deal with env vars renaming first as this may seriously change the path
1235     if ( flags & wxPATH_NORM_ENV_VARS )
1236     {
1237         wxString pathOrig = GetFullPath(format);
1238         wxString path = wxExpandEnvVars(pathOrig);
1239         if ( path != pathOrig )
1240         {
1241             Assign(path);
1242         }
1243     }
1244
1245     // the existing path components
1246     wxArrayString dirs = GetDirs();
1247
1248     // the path to prepend in front to make the path absolute
1249     wxFileName curDir;
1250
1251     format = GetFormat(format);
1252
1253     // set up the directory to use for making the path absolute later
1254     if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute(format) )
1255     {
1256         if ( cwd.empty() )
1257         {
1258             curDir.AssignCwd(GetVolume());
1259         }
1260         else // cwd provided
1261         {
1262             curDir.AssignDir(cwd);
1263         }
1264     }
1265
1266     // handle ~ stuff under Unix only
1267     if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) && m_relative )
1268     {
1269         if ( !dirs.IsEmpty() )
1270         {
1271             wxString dir = dirs[0u];
1272             if ( !dir.empty() && dir[0u] == wxT('~') )
1273             {
1274                 // to make the path absolute use the home directory
1275                 curDir.AssignDir(wxGetUserHome(dir.c_str() + 1));
1276                 dirs.RemoveAt(0u);
1277             }
1278         }
1279     }
1280
1281     // transform relative path into abs one
1282     if ( curDir.IsOk() )
1283     {
1284         // this path may be relative because it doesn't have the volume name
1285         // and still have m_relative=true; in this case we shouldn't modify
1286         // our directory components but just set the current volume
1287         if ( !HasVolume() && curDir.HasVolume() )
1288         {
1289             SetVolume(curDir.GetVolume());
1290
1291             if ( !m_relative )
1292         {
1293                 // yes, it was the case - we don't need curDir then
1294                 curDir.Clear();
1295             }
1296         }
1297
1298         // finally, prepend curDir to the dirs array
1299         wxArrayString dirsNew = curDir.GetDirs();
1300         WX_PREPEND_ARRAY(dirs, dirsNew);
1301
1302         // if we used e.g. tilde expansion previously and wxGetUserHome didn't
1303         // return for some reason an absolute path, then curDir maybe not be absolute!
1304         if ( !curDir.m_relative )
1305         {
1306             // we have prepended an absolute path and thus we are now an absolute
1307             // file name too
1308             m_relative = false;
1309         }
1310         // else if (flags & wxPATH_NORM_ABSOLUTE):
1311         //   should we warn the user that we didn't manage to make the path absolute?
1312     }
1313
1314     // now deal with ".", ".." and the rest
1315     m_dirs.Empty();
1316     size_t count = dirs.GetCount();
1317     for ( size_t n = 0; n < count; n++ )
1318     {
1319         wxString dir = dirs[n];
1320
1321         if ( flags & wxPATH_NORM_DOTS )
1322         {
1323             if ( dir == wxT(".") )
1324             {
1325                 // just ignore
1326                 continue;
1327             }
1328
1329             if ( dir == wxT("..") )
1330             {
1331                 if ( m_dirs.IsEmpty() )
1332                 {
1333                     wxLogError(_("The path '%s' contains too many \"..\"!"),
1334                                GetFullPath().c_str());
1335                     return false;
1336                 }
1337
1338                 m_dirs.RemoveAt(m_dirs.GetCount() - 1);
1339                 continue;
1340             }
1341         }
1342
1343         m_dirs.Add(dir);
1344     }
1345
1346 #if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE
1347     if ( (flags & wxPATH_NORM_SHORTCUT) )
1348     {
1349         wxString filename;
1350         if (GetShortcutTarget(GetFullPath(format), filename))
1351         {
1352             m_relative = false;
1353             Assign(filename);
1354         }
1355     }
1356 #endif
1357
1358 #if defined(__WIN32__)
1359     if ( (flags & wxPATH_NORM_LONG) && (format == wxPATH_DOS) )
1360     {
1361         Assign(GetLongPath());
1362     }
1363 #endif // Win32
1364
1365     // Change case  (this should be kept at the end of the function, to ensure
1366     // that the path doesn't change any more after we normalize its case)
1367     if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
1368     {
1369         m_volume.MakeLower();
1370         m_name.MakeLower();
1371         m_ext.MakeLower();
1372
1373         // directory entries must be made lower case as well
1374         count = m_dirs.GetCount();
1375         for ( size_t i = 0; i < count; i++ )
1376         {
1377             m_dirs[i].MakeLower();
1378         }
1379     }
1380
1381     return true;
1382 }
1383
1384 #ifndef __WXWINCE__
1385 bool wxFileName::ReplaceEnvVariable(const wxString& envname,
1386                                     const wxString& replacementFmtString,
1387                                     wxPathFormat format)
1388 {
1389     // look into stringForm for the contents of the given environment variable
1390     wxString val;
1391     if (envname.empty() ||
1392         !wxGetEnv(envname, &val))
1393         return false;
1394     if (val.empty())
1395         return false;
1396
1397     wxString stringForm = GetPath(wxPATH_GET_VOLUME, format);
1398         // do not touch the file name and the extension
1399
1400     wxString replacement = wxString::Format(replacementFmtString, envname);
1401     stringForm.Replace(val, replacement);
1402
1403     // Now assign ourselves the modified path:
1404     Assign(stringForm, GetFullName(), format);
1405
1406     return true;
1407 }
1408 #endif
1409
1410 bool wxFileName::ReplaceHomeDir(wxPathFormat format)
1411 {
1412     wxString homedir = wxGetHomeDir();
1413     if (homedir.empty())
1414         return false;
1415
1416     wxString stringForm = GetPath(wxPATH_GET_VOLUME, format);
1417         // do not touch the file name and the extension
1418
1419     stringForm.Replace(homedir, "~");
1420
1421     // Now assign ourselves the modified path:
1422     Assign(stringForm, GetFullName(), format);
1423
1424     return true;
1425 }
1426
1427 // ----------------------------------------------------------------------------
1428 // get the shortcut target
1429 // ----------------------------------------------------------------------------
1430
1431 // WinCE (3) doesn't have CLSID_ShellLink, IID_IShellLink definitions.
1432 // The .lnk file is a plain text file so it should be easy to
1433 // make it work. Hint from Google Groups:
1434 // "If you open up a lnk file, you'll see a
1435 // number, followed by a pound sign (#), followed by more text. The
1436 // number is the number of characters that follows the pound sign. The
1437 // characters after the pound sign are the command line (which _can_
1438 // include arguments) to be executed. Any path (e.g. \windows\program
1439 // files\myapp.exe) that includes spaces needs to be enclosed in
1440 // quotation marks."
1441
1442 #if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE
1443 // The following lines are necessary under WinCE
1444 // #include "wx/msw/private.h"
1445 // #include <ole2.h>
1446 #include <shlobj.h>
1447 #if defined(__WXWINCE__)
1448 #include <shlguid.h>
1449 #endif
1450
1451 bool wxFileName::GetShortcutTarget(const wxString& shortcutPath,
1452                                    wxString& targetFilename,
1453                                    wxString* arguments) const
1454 {
1455     wxString path, file, ext;
1456     wxFileName::SplitPath(shortcutPath, & path, & file, & ext);
1457
1458     HRESULT hres;
1459     IShellLink* psl;
1460     bool success = false;
1461
1462     // Assume it's not a shortcut if it doesn't end with lnk
1463     if (ext.CmpNoCase(wxT("lnk"))!=0)
1464         return false;
1465
1466     // create a ShellLink object
1467     hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
1468                             IID_IShellLink, (LPVOID*) &psl);
1469
1470     if (SUCCEEDED(hres))
1471     {
1472         IPersistFile* ppf;
1473         hres = psl->QueryInterface( IID_IPersistFile, (LPVOID *) &ppf);
1474         if (SUCCEEDED(hres))
1475         {
1476             WCHAR wsz[MAX_PATH];
1477
1478             MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, shortcutPath.mb_str(), -1, wsz,
1479                                 MAX_PATH);
1480
1481             hres = ppf->Load(wsz, 0);
1482             ppf->Release();
1483
1484             if (SUCCEEDED(hres))
1485             {
1486                 wxChar buf[2048];
1487                 // Wrong prototype in early versions
1488 #if defined(__MINGW32__) && !wxCHECK_W32API_VERSION(2, 2)
1489                 psl->GetPath((CHAR*) buf, 2048, NULL, SLGP_UNCPRIORITY);
1490 #else
1491                 psl->GetPath(buf, 2048, NULL, SLGP_UNCPRIORITY);
1492 #endif
1493                 targetFilename = wxString(buf);
1494                 success = (shortcutPath != targetFilename);
1495
1496                 psl->GetArguments(buf, 2048);
1497                 wxString args(buf);
1498                 if (!args.empty() && arguments)
1499                 {
1500                     *arguments = args;
1501                 }
1502             }
1503         }
1504
1505         psl->Release();
1506     }
1507     return success;
1508 }
1509
1510 #endif // __WIN32__ && !__WXWINCE__
1511
1512
1513 // ----------------------------------------------------------------------------
1514 // absolute/relative paths
1515 // ----------------------------------------------------------------------------
1516
1517 bool wxFileName::IsAbsolute(wxPathFormat format) const
1518 {
1519     // unix paths beginning with ~ are reported as being absolute
1520     if ( format == wxPATH_UNIX )
1521     {
1522         if ( !m_dirs.IsEmpty() )
1523         {
1524             wxString dir = m_dirs[0u];
1525
1526             if (!dir.empty() && dir[0u] == wxT('~'))
1527                 return true;
1528         }
1529     }
1530
1531     // if our path doesn't start with a path separator, it's not an absolute
1532     // path
1533     if ( m_relative )
1534         return false;
1535
1536     if ( !GetVolumeSeparator(format).empty() )
1537     {
1538         // this format has volumes and an absolute path must have one, it's not
1539         // enough to have the full path to be an absolute file under Windows
1540         if ( GetVolume().empty() )
1541             return false;
1542     }
1543
1544     return true;
1545 }
1546
1547 bool wxFileName::MakeRelativeTo(const wxString& pathBase, wxPathFormat format)
1548 {
1549     wxFileName fnBase = wxFileName::DirName(pathBase, format);
1550
1551     // get cwd only once - small time saving
1552     wxString cwd = wxGetCwd();
1553     Normalize(wxPATH_NORM_ALL & ~wxPATH_NORM_CASE, cwd, format);
1554     fnBase.Normalize(wxPATH_NORM_ALL & ~wxPATH_NORM_CASE, cwd, format);
1555
1556     bool withCase = IsCaseSensitive(format);
1557
1558     // we can't do anything if the files live on different volumes
1559     if ( !GetVolume().IsSameAs(fnBase.GetVolume(), withCase) )
1560     {
1561         // nothing done
1562         return false;
1563     }
1564
1565     // same drive, so we don't need our volume
1566     m_volume.clear();
1567
1568     // remove common directories starting at the top
1569     while ( !m_dirs.IsEmpty() && !fnBase.m_dirs.IsEmpty() &&
1570                 m_dirs[0u].IsSameAs(fnBase.m_dirs[0u], withCase) )
1571     {
1572         m_dirs.RemoveAt(0);
1573         fnBase.m_dirs.RemoveAt(0);
1574     }
1575
1576     // add as many ".." as needed
1577     size_t count = fnBase.m_dirs.GetCount();
1578     for ( size_t i = 0; i < count; i++ )
1579     {
1580         m_dirs.Insert(wxT(".."), 0u);
1581     }
1582
1583     if ( format == wxPATH_UNIX || format == wxPATH_DOS )
1584     {
1585         // a directory made relative with respect to itself is '.' under Unix
1586         // and DOS, by definition (but we don't have to insert "./" for the
1587         // files)
1588         if ( m_dirs.IsEmpty() && IsDir() )
1589         {
1590             m_dirs.Add(wxT('.'));
1591         }
1592     }
1593
1594     m_relative = true;
1595
1596     // we were modified
1597     return true;
1598 }
1599
1600 // ----------------------------------------------------------------------------
1601 // filename kind tests
1602 // ----------------------------------------------------------------------------
1603
1604 bool wxFileName::SameAs(const wxFileName& filepath, wxPathFormat format) const
1605 {
1606     wxFileName fn1 = *this,
1607                fn2 = filepath;
1608
1609     // get cwd only once - small time saving
1610     wxString cwd = wxGetCwd();
1611     fn1.Normalize(wxPATH_NORM_ALL | wxPATH_NORM_CASE, cwd, format);
1612     fn2.Normalize(wxPATH_NORM_ALL | wxPATH_NORM_CASE, cwd, format);
1613
1614     if ( fn1.GetFullPath() == fn2.GetFullPath() )
1615         return true;
1616
1617     // TODO: compare inodes for Unix, this works even when filenames are
1618     //       different but files are the same (symlinks) (VZ)
1619
1620     return false;
1621 }
1622
1623 /* static */
1624 bool wxFileName::IsCaseSensitive( wxPathFormat format )
1625 {
1626     // only Unix filenames are truely case-sensitive
1627     return GetFormat(format) == wxPATH_UNIX;
1628 }
1629
1630 /* static */
1631 wxString wxFileName::GetForbiddenChars(wxPathFormat format)
1632 {
1633     // Inits to forbidden characters that are common to (almost) all platforms.
1634     wxString strForbiddenChars = wxT("*?");
1635
1636     // If asserts, wxPathFormat has been changed. In case of a new path format
1637     // addition, the following code might have to be updated.
1638     wxCOMPILE_TIME_ASSERT(wxPATH_MAX == 5, wxPathFormatChanged);
1639     switch ( GetFormat(format) )
1640     {
1641         default :
1642             wxFAIL_MSG( wxT("Unknown path format") );
1643             // !! Fall through !!
1644
1645         case wxPATH_UNIX:
1646             break;
1647
1648         case wxPATH_MAC:
1649             // On a Mac even names with * and ? are allowed (Tested with OS
1650             // 9.2.1 and OS X 10.2.5)
1651             strForbiddenChars = wxEmptyString;
1652             break;
1653
1654         case wxPATH_DOS:
1655             strForbiddenChars += wxT("\\/:\"<>|");
1656             break;
1657
1658         case wxPATH_VMS:
1659             break;
1660     }
1661
1662     return strForbiddenChars;
1663 }
1664
1665 /* static */
1666 wxString wxFileName::GetVolumeSeparator(wxPathFormat WXUNUSED_IN_WINCE(format))
1667 {
1668 #ifdef __WXWINCE__
1669     return wxEmptyString;
1670 #else
1671     wxString sepVol;
1672
1673     if ( (GetFormat(format) == wxPATH_DOS) ||
1674          (GetFormat(format) == wxPATH_VMS) )
1675     {
1676         sepVol = wxFILE_SEP_DSK;
1677     }
1678     //else: leave empty
1679
1680     return sepVol;
1681 #endif
1682 }
1683
1684 /* static */
1685 wxString wxFileName::GetPathSeparators(wxPathFormat format)
1686 {
1687     wxString seps;
1688     switch ( GetFormat(format) )
1689     {
1690         case wxPATH_DOS:
1691             // accept both as native APIs do but put the native one first as
1692             // this is the one we use in GetFullPath()
1693             seps << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_UNIX;
1694             break;
1695
1696         default:
1697             wxFAIL_MSG( wxT("Unknown wxPATH_XXX style") );
1698             // fall through
1699
1700         case wxPATH_UNIX:
1701             seps = wxFILE_SEP_PATH_UNIX;
1702             break;
1703
1704         case wxPATH_MAC:
1705             seps = wxFILE_SEP_PATH_MAC;
1706             break;
1707
1708         case wxPATH_VMS:
1709             seps = wxFILE_SEP_PATH_VMS;
1710             break;
1711     }
1712
1713     return seps;
1714 }
1715
1716 /* static */
1717 wxString wxFileName::GetPathTerminators(wxPathFormat format)
1718 {
1719     format = GetFormat(format);
1720
1721     // under VMS the end of the path is ']', not the path separator used to
1722     // separate the components
1723     return format == wxPATH_VMS ? wxString(wxT(']')) : GetPathSeparators(format);
1724 }
1725
1726 /* static */
1727 bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format)
1728 {
1729     // wxString::Find() doesn't work as expected with NUL - it will always find
1730     // it, so test for it separately
1731     return ch != wxT('\0') && GetPathSeparators(format).Find(ch) != wxNOT_FOUND;
1732 }
1733
1734 // ----------------------------------------------------------------------------
1735 // path components manipulation
1736 // ----------------------------------------------------------------------------
1737
1738 /* static */ bool wxFileName::IsValidDirComponent(const wxString& dir)
1739 {
1740     if ( dir.empty() )
1741     {
1742         wxFAIL_MSG( wxT("empty directory passed to wxFileName::InsertDir()") );
1743
1744         return false;
1745     }
1746
1747     const size_t len = dir.length();
1748     for ( size_t n = 0; n < len; n++ )
1749     {
1750         if ( dir[n] == GetVolumeSeparator() || IsPathSeparator(dir[n]) )
1751         {
1752             wxFAIL_MSG( wxT("invalid directory component in wxFileName") );
1753
1754             return false;
1755         }
1756     }
1757
1758     return true;
1759 }
1760
1761 void wxFileName::AppendDir( const wxString& dir )
1762 {
1763     if ( IsValidDirComponent(dir) )
1764         m_dirs.Add( dir );
1765 }
1766
1767 void wxFileName::PrependDir( const wxString& dir )
1768 {
1769     InsertDir(0, dir);
1770 }
1771
1772 void wxFileName::InsertDir(size_t before, const wxString& dir)
1773 {
1774     if ( IsValidDirComponent(dir) )
1775         m_dirs.Insert(dir, before);
1776 }
1777
1778 void wxFileName::RemoveDir(size_t pos)
1779 {
1780     m_dirs.RemoveAt(pos);
1781 }
1782
1783 // ----------------------------------------------------------------------------
1784 // accessors
1785 // ----------------------------------------------------------------------------
1786
1787 void wxFileName::SetFullName(const wxString& fullname)
1788 {
1789     SplitPath(fullname, NULL /* no volume */, NULL /* no path */,
1790                         &m_name, &m_ext, &m_hasExt);
1791 }
1792
1793 wxString wxFileName::GetFullName() const
1794 {
1795     wxString fullname = m_name;
1796     if ( m_hasExt )
1797     {
1798         fullname << wxFILE_SEP_EXT << m_ext;
1799     }
1800
1801     return fullname;
1802 }
1803
1804 wxString wxFileName::GetPath( int flags, wxPathFormat format ) const
1805 {
1806     format = GetFormat( format );
1807
1808     wxString fullpath;
1809
1810     // return the volume with the path as well if requested
1811     if ( flags & wxPATH_GET_VOLUME )
1812     {
1813         fullpath += wxGetVolumeString(GetVolume(), format);
1814     }
1815
1816     // the leading character
1817     switch ( format )
1818     {
1819         case wxPATH_MAC:
1820             if ( m_relative )
1821                 fullpath += wxFILE_SEP_PATH_MAC;
1822             break;
1823
1824         case wxPATH_DOS:
1825             if ( !m_relative )
1826                 fullpath += wxFILE_SEP_PATH_DOS;
1827             break;
1828
1829         default:
1830             wxFAIL_MSG( wxT("Unknown path format") );
1831             // fall through
1832
1833         case wxPATH_UNIX:
1834             if ( !m_relative )
1835             {
1836                 fullpath += wxFILE_SEP_PATH_UNIX;
1837             }
1838             break;
1839
1840         case wxPATH_VMS:
1841             // no leading character here but use this place to unset
1842             // wxPATH_GET_SEPARATOR flag: under VMS it doesn't make sense
1843             // as, if I understand correctly, there should never be a dot
1844             // before the closing bracket
1845             flags &= ~wxPATH_GET_SEPARATOR;
1846     }
1847
1848     if ( m_dirs.empty() )
1849     {
1850         // there is nothing more
1851         return fullpath;
1852     }
1853
1854     // then concatenate all the path components using the path separator
1855     if ( format == wxPATH_VMS )
1856     {
1857         fullpath += wxT('[');
1858     }
1859
1860     const size_t dirCount = m_dirs.GetCount();
1861     for ( size_t i = 0; i < dirCount; i++ )
1862     {
1863         switch (format)
1864         {
1865             case wxPATH_MAC:
1866                 if ( m_dirs[i] == wxT(".") )
1867                 {
1868                     // skip appending ':', this shouldn't be done in this
1869                     // case as "::" is interpreted as ".." under Unix
1870                     continue;
1871                 }
1872
1873                 // convert back from ".." to nothing
1874                 if ( !m_dirs[i].IsSameAs(wxT("..")) )
1875                      fullpath += m_dirs[i];
1876                 break;
1877
1878             default:
1879                 wxFAIL_MSG( wxT("Unexpected path format") );
1880                 // still fall through
1881
1882             case wxPATH_DOS:
1883             case wxPATH_UNIX:
1884                 fullpath += m_dirs[i];
1885                 break;
1886
1887             case wxPATH_VMS:
1888                 // TODO: What to do with ".." under VMS
1889
1890                 // convert back from ".." to nothing
1891                 if ( !m_dirs[i].IsSameAs(wxT("..")) )
1892                     fullpath += m_dirs[i];
1893                 break;
1894         }
1895
1896         if ( (flags & wxPATH_GET_SEPARATOR) || (i != dirCount - 1) )
1897             fullpath += GetPathSeparator(format);
1898     }
1899
1900     if ( format == wxPATH_VMS )
1901     {
1902         fullpath += wxT(']');
1903     }
1904
1905     return fullpath;
1906 }
1907
1908 wxString wxFileName::GetFullPath( wxPathFormat format ) const
1909 {
1910     // we already have a function to get the path
1911     wxString fullpath = GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR,
1912                                 format);
1913
1914     // now just add the file name and extension to it
1915     fullpath += GetFullName();
1916
1917     return fullpath;
1918 }
1919
1920 // Return the short form of the path (returns identity on non-Windows platforms)
1921 wxString wxFileName::GetShortPath() const
1922 {
1923     wxString path(GetFullPath());
1924
1925 #if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
1926     DWORD sz = ::GetShortPathName(path.fn_str(), NULL, 0);
1927     if ( sz != 0 )
1928     {
1929         wxString pathOut;
1930         if ( ::GetShortPathName
1931                (
1932                 path.fn_str(),
1933                 wxStringBuffer(pathOut, sz),
1934                 sz
1935                ) != 0 )
1936         {
1937             return pathOut;
1938         }
1939     }
1940 #endif // Windows
1941
1942     return path;
1943 }
1944
1945 // Return the long form of the path (returns identity on non-Windows platforms)
1946 wxString wxFileName::GetLongPath() const
1947 {
1948     wxString pathOut,
1949              path = GetFullPath();
1950
1951 #if defined(__WIN32__) && !defined(__WXWINCE__) && !defined(__WXMICROWIN__)
1952
1953 #if wxUSE_DYNLIB_CLASS
1954     typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD);
1955
1956     // this is MT-safe as in the worst case we're going to resolve the function
1957     // twice -- but as the result is the same in both threads, it's ok
1958     static GET_LONG_PATH_NAME s_pfnGetLongPathName = NULL;
1959     if ( !s_pfnGetLongPathName )
1960     {
1961         static bool s_triedToLoad = false;
1962
1963         if ( !s_triedToLoad )
1964         {
1965             s_triedToLoad = true;
1966
1967             wxDynamicLibrary dllKernel(wxT("kernel32"));
1968
1969             const wxChar* GetLongPathName = wxT("GetLongPathName")
1970 #if wxUSE_UNICODE
1971                               wxT("W");
1972 #else // ANSI
1973                               wxT("A");
1974 #endif // Unicode/ANSI
1975
1976             if ( dllKernel.HasSymbol(GetLongPathName) )
1977             {
1978                 s_pfnGetLongPathName = (GET_LONG_PATH_NAME)
1979                     dllKernel.GetSymbol(GetLongPathName);
1980             }
1981
1982             // note that kernel32.dll can be unloaded, it stays in memory
1983             // anyhow as all Win32 programs link to it and so it's safe to call
1984             // GetLongPathName() even after unloading it
1985         }
1986     }
1987
1988     if ( s_pfnGetLongPathName )
1989     {
1990         DWORD dwSize = (*s_pfnGetLongPathName)(path.fn_str(), NULL, 0);
1991         if ( dwSize > 0 )
1992         {
1993             if ( (*s_pfnGetLongPathName)
1994                  (
1995                   path.fn_str(),
1996                   wxStringBuffer(pathOut, dwSize),
1997                   dwSize
1998                  ) != 0 )
1999             {
2000                 return pathOut;
2001             }
2002         }
2003     }
2004 #endif // wxUSE_DYNLIB_CLASS
2005
2006     // The OS didn't support GetLongPathName, or some other error.
2007     // We need to call FindFirstFile on each component in turn.
2008
2009     WIN32_FIND_DATA findFileData;
2010     HANDLE hFind;
2011
2012     if ( HasVolume() )
2013         pathOut = GetVolume() +
2014                   GetVolumeSeparator(wxPATH_DOS) +
2015                   GetPathSeparator(wxPATH_DOS);
2016     else
2017         pathOut = wxEmptyString;
2018
2019     wxArrayString dirs = GetDirs();
2020     dirs.Add(GetFullName());
2021
2022     wxString tmpPath;
2023
2024     size_t count = dirs.GetCount();
2025     for ( size_t i = 0; i < count; i++ )
2026     {
2027         const wxString& dir = dirs[i];
2028
2029         // We're using pathOut to collect the long-name path, but using a
2030         // temporary for appending the last path component which may be
2031         // short-name
2032         tmpPath = pathOut + dir;
2033
2034         // We must not process "." or ".." here as they would be (unexpectedly)
2035         // replaced by the corresponding directory names so just leave them
2036         // alone
2037         //
2038         // And we can't pass a drive and root dir to FindFirstFile (VZ: why?)
2039         if ( tmpPath.empty() || dir == '.' || dir == ".." ||
2040                 tmpPath.Last() == GetVolumeSeparator(wxPATH_DOS) )
2041         {
2042             tmpPath += wxFILE_SEP_PATH;
2043             pathOut = tmpPath;
2044             continue;
2045         }
2046
2047         hFind = ::FindFirstFile(tmpPath.fn_str(), &findFileData);
2048         if (hFind == INVALID_HANDLE_VALUE)
2049         {
2050             // Error: most likely reason is that path doesn't exist, so
2051             // append any unprocessed parts and return
2052             for ( i += 1; i < count; i++ )
2053                 tmpPath += wxFILE_SEP_PATH + dirs[i];
2054
2055             return tmpPath;
2056         }
2057
2058         pathOut += findFileData.cFileName;
2059         if ( (i < (count-1)) )
2060             pathOut += wxFILE_SEP_PATH;
2061
2062         ::FindClose(hFind);
2063     }
2064 #else // !Win32
2065     pathOut = path;
2066 #endif // Win32/!Win32
2067
2068     return pathOut;
2069 }
2070
2071 wxPathFormat wxFileName::GetFormat( wxPathFormat format )
2072 {
2073     if (format == wxPATH_NATIVE)
2074     {
2075 #if defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__)
2076         format = wxPATH_DOS;
2077 #elif defined(__VMS)
2078         format = wxPATH_VMS;
2079 #else
2080         format = wxPATH_UNIX;
2081 #endif
2082     }
2083     return format;
2084 }
2085
2086 #ifdef wxHAS_FILESYSTEM_VOLUMES
2087
2088 /* static */
2089 wxString wxFileName::GetVolumeString(char drive, int flags)
2090 {
2091     wxASSERT_MSG( !(flags & ~wxPATH_GET_SEPARATOR), "invalid flag specified" );
2092
2093     wxString vol(drive);
2094     vol += wxFILE_SEP_DSK;
2095     if ( flags & wxPATH_GET_SEPARATOR )
2096         vol += wxFILE_SEP_PATH;
2097
2098     return vol;
2099 }
2100
2101 #endif // wxHAS_FILESYSTEM_VOLUMES
2102
2103 // ----------------------------------------------------------------------------
2104 // path splitting function
2105 // ----------------------------------------------------------------------------
2106
2107 /* static */
2108 void
2109 wxFileName::SplitVolume(const wxString& fullpathWithVolume,
2110                         wxString *pstrVolume,
2111                         wxString *pstrPath,
2112                         wxPathFormat format)
2113 {
2114     format = GetFormat(format);
2115
2116     wxString fullpath = fullpathWithVolume;
2117
2118     // special Windows UNC paths hack: transform \\share\path into share:path
2119     if ( IsUNCPath(fullpath, format) )
2120     {
2121         fullpath.erase(0, 2);
2122
2123         size_t posFirstSlash =
2124             fullpath.find_first_of(GetPathTerminators(format));
2125         if ( posFirstSlash != wxString::npos )
2126         {
2127             fullpath[posFirstSlash] = wxFILE_SEP_DSK;
2128
2129             // UNC paths are always absolute, right? (FIXME)
2130             fullpath.insert(posFirstSlash + 1, 1, wxFILE_SEP_PATH_DOS);
2131         }
2132     }
2133
2134     // We separate the volume here
2135     if ( format == wxPATH_DOS || format == wxPATH_VMS )
2136     {
2137         wxString sepVol = GetVolumeSeparator(format);
2138
2139         // we have to exclude the case of a colon in the very beginning of the
2140         // string as it can't be a volume separator (nor can this be a valid
2141         // DOS file name at all but we'll leave dealing with this to our caller)
2142         size_t posFirstColon = fullpath.find_first_of(sepVol);
2143         if ( posFirstColon && posFirstColon != wxString::npos )
2144         {
2145             if ( pstrVolume )
2146             {
2147                 *pstrVolume = fullpath.Left(posFirstColon);
2148             }
2149
2150             // remove the volume name and the separator from the full path
2151             fullpath.erase(0, posFirstColon + sepVol.length());
2152         }
2153     }
2154
2155     if ( pstrPath )
2156         *pstrPath = fullpath;
2157 }
2158
2159 /* static */
2160 void wxFileName::SplitPath(const wxString& fullpathWithVolume,
2161                            wxString *pstrVolume,
2162                            wxString *pstrPath,
2163                            wxString *pstrName,
2164                            wxString *pstrExt,
2165                            bool *hasExt,
2166                            wxPathFormat format)
2167 {
2168     format = GetFormat(format);
2169
2170     wxString fullpath;
2171     SplitVolume(fullpathWithVolume, pstrVolume, &fullpath, format);
2172
2173     // find the positions of the last dot and last path separator in the path
2174     size_t posLastDot = fullpath.find_last_of(wxFILE_SEP_EXT);
2175     size_t posLastSlash = fullpath.find_last_of(GetPathTerminators(format));
2176
2177     // check whether this dot occurs at the very beginning of a path component
2178     if ( (posLastDot != wxString::npos) &&
2179          (posLastDot == 0 ||
2180             IsPathSeparator(fullpath[posLastDot - 1]) ||
2181             (format == wxPATH_VMS && fullpath[posLastDot - 1] == wxT(']'))) )
2182     {
2183         // dot may be (and commonly -- at least under Unix -- is) the first
2184         // character of the filename, don't treat the entire filename as
2185         // extension in this case
2186         posLastDot = wxString::npos;
2187     }
2188
2189     // if we do have a dot and a slash, check that the dot is in the name part
2190     if ( (posLastDot != wxString::npos) &&
2191          (posLastSlash != wxString::npos) &&
2192          (posLastDot < posLastSlash) )
2193     {
2194         // the dot is part of the path, not the start of the extension
2195         posLastDot = wxString::npos;
2196     }
2197
2198     // now fill in the variables provided by user
2199     if ( pstrPath )
2200     {
2201         if ( posLastSlash == wxString::npos )
2202         {
2203             // no path at all
2204             pstrPath->Empty();
2205         }
2206         else
2207         {
2208             // take everything up to the path separator but take care to make
2209             // the path equal to something like '/', not empty, for the files
2210             // immediately under root directory
2211             size_t len = posLastSlash;
2212
2213             // this rule does not apply to mac since we do not start with colons (sep)
2214             // except for relative paths
2215             if ( !len && format != wxPATH_MAC)
2216                 len++;
2217
2218             *pstrPath = fullpath.Left(len);
2219
2220             // special VMS hack: remove the initial bracket
2221             if ( format == wxPATH_VMS )
2222             {
2223                 if ( (*pstrPath)[0u] == wxT('[') )
2224                     pstrPath->erase(0, 1);
2225             }
2226         }
2227     }
2228
2229     if ( pstrName )
2230     {
2231         // take all characters starting from the one after the last slash and
2232         // up to, but excluding, the last dot
2233         size_t nStart = posLastSlash == wxString::npos ? 0 : posLastSlash + 1;
2234         size_t count;
2235         if ( posLastDot == wxString::npos )
2236         {
2237             // take all until the end
2238             count = wxString::npos;
2239         }
2240         else if ( posLastSlash == wxString::npos )
2241         {
2242             count = posLastDot;
2243         }
2244         else // have both dot and slash
2245         {
2246             count = posLastDot - posLastSlash - 1;
2247         }
2248
2249         *pstrName = fullpath.Mid(nStart, count);
2250     }
2251
2252     // finally deal with the extension here: we have an added complication that
2253     // extension may be empty (but present) as in "foo." where trailing dot
2254     // indicates the empty extension at the end -- and hence we must remember
2255     // that we have it independently of pstrExt
2256     if ( posLastDot == wxString::npos )
2257     {
2258         // no extension
2259         if ( pstrExt )
2260             pstrExt->clear();
2261         if ( hasExt )
2262             *hasExt = false;
2263     }
2264     else
2265     {
2266         // take everything after the dot
2267         if ( pstrExt )
2268             *pstrExt = fullpath.Mid(posLastDot + 1);
2269         if ( hasExt )
2270             *hasExt = true;
2271     }
2272 }
2273
2274 /* static */
2275 void wxFileName::SplitPath(const wxString& fullpath,
2276                            wxString *path,
2277                            wxString *name,
2278                            wxString *ext,
2279                            wxPathFormat format)
2280 {
2281     wxString volume;
2282     SplitPath(fullpath, &volume, path, name, ext, format);
2283
2284     if ( path )
2285     {
2286         path->Prepend(wxGetVolumeString(volume, format));
2287     }
2288 }
2289
2290 /* static */
2291 wxString wxFileName::StripExtension(const wxString& fullpath)
2292 {
2293     wxFileName fn(fullpath);
2294     fn.SetExt("");
2295     return fn.GetFullPath();
2296 }
2297
2298 // ----------------------------------------------------------------------------
2299 // time functions
2300 // ----------------------------------------------------------------------------
2301
2302 #if wxUSE_DATETIME
2303
2304 bool wxFileName::SetTimes(const wxDateTime *dtAccess,
2305                           const wxDateTime *dtMod,
2306                           const wxDateTime *dtCreate) const
2307 {
2308 #if defined(__WIN32__)
2309     FILETIME ftAccess, ftCreate, ftWrite;
2310
2311     if ( dtCreate )
2312         ConvertWxToFileTime(&ftCreate, *dtCreate);
2313     if ( dtAccess )
2314         ConvertWxToFileTime(&ftAccess, *dtAccess);
2315     if ( dtMod )
2316         ConvertWxToFileTime(&ftWrite, *dtMod);
2317
2318     wxString path;
2319     int flags;
2320     if ( IsDir() )
2321     {
2322         if ( wxGetOsVersion() == wxOS_WINDOWS_9X )
2323         {
2324             wxLogError(_("Setting directory access times is not supported "
2325                          "under this OS version"));
2326             return false;
2327         }
2328
2329         path = GetPath();
2330         flags = FILE_FLAG_BACKUP_SEMANTICS;
2331     }
2332     else // file
2333     {
2334         path = GetFullPath();
2335         flags = 0;
2336     }
2337
2338     wxFileHandle fh(path, wxFileHandle::WriteAttr, flags);
2339     if ( fh.IsOk() )
2340     {
2341         if ( ::SetFileTime(fh,
2342                            dtCreate ? &ftCreate : NULL,
2343                            dtAccess ? &ftAccess : NULL,
2344                            dtMod ? &ftWrite : NULL) )
2345         {
2346             return true;
2347         }
2348     }
2349 #elif defined(__UNIX_LIKE__) || (defined(__DOS__) && defined(__WATCOMC__))
2350     wxUnusedVar(dtCreate);
2351
2352     if ( !dtAccess && !dtMod )
2353     {
2354         // can't modify the creation time anyhow, don't try
2355         return true;
2356     }
2357
2358     // if dtAccess or dtMod is not specified, use the other one (which must be
2359     // non NULL because of the test above) for both times
2360     utimbuf utm;
2361     utm.actime = dtAccess ? dtAccess->GetTicks() : dtMod->GetTicks();
2362     utm.modtime = dtMod ? dtMod->GetTicks() : dtAccess->GetTicks();
2363     if ( utime(GetFullPath().fn_str(), &utm) == 0 )
2364     {
2365         return true;
2366     }
2367 #else // other platform
2368     wxUnusedVar(dtAccess);
2369     wxUnusedVar(dtMod);
2370     wxUnusedVar(dtCreate);
2371 #endif // platforms
2372
2373     wxLogSysError(_("Failed to modify file times for '%s'"),
2374                   GetFullPath().c_str());
2375
2376     return false;
2377 }
2378
2379 bool wxFileName::Touch() const
2380 {
2381 #if defined(__UNIX_LIKE__)
2382     // under Unix touching file is simple: just pass NULL to utime()
2383     if ( utime(GetFullPath().fn_str(), NULL) == 0 )
2384     {
2385         return true;
2386     }
2387
2388     wxLogSysError(_("Failed to touch the file '%s'"), GetFullPath().c_str());
2389
2390     return false;
2391 #else // other platform
2392     wxDateTime dtNow = wxDateTime::Now();
2393
2394     return SetTimes(&dtNow, &dtNow, NULL /* don't change create time */);
2395 #endif // platforms
2396 }
2397
2398 bool wxFileName::GetTimes(wxDateTime *dtAccess,
2399                           wxDateTime *dtMod,
2400                           wxDateTime *dtCreate) const
2401 {
2402 #if defined(__WIN32__)
2403     // we must use different methods for the files and directories under
2404     // Windows as CreateFile(GENERIC_READ) doesn't work for the directories and
2405     // CreateFile(FILE_FLAG_BACKUP_SEMANTICS) works -- but only under NT and
2406     // not 9x
2407     bool ok;
2408     FILETIME ftAccess, ftCreate, ftWrite;
2409     if ( IsDir() )
2410     {
2411         // implemented in msw/dir.cpp
2412         extern bool wxGetDirectoryTimes(const wxString& dirname,
2413                                         FILETIME *, FILETIME *, FILETIME *);
2414
2415         // we should pass the path without the trailing separator to
2416         // wxGetDirectoryTimes()
2417         ok = wxGetDirectoryTimes(GetPath(wxPATH_GET_VOLUME),
2418                                  &ftAccess, &ftCreate, &ftWrite);
2419     }
2420     else // file
2421     {
2422         wxFileHandle fh(GetFullPath(), wxFileHandle::ReadAttr);
2423         if ( fh.IsOk() )
2424         {
2425             ok = ::GetFileTime(fh,
2426                                dtCreate ? &ftCreate : NULL,
2427                                dtAccess ? &ftAccess : NULL,
2428                                dtMod ? &ftWrite : NULL) != 0;
2429         }
2430         else
2431         {
2432             ok = false;
2433         }
2434     }
2435
2436     if ( ok )
2437     {
2438         if ( dtCreate )
2439             ConvertFileTimeToWx(dtCreate, ftCreate);
2440         if ( dtAccess )
2441             ConvertFileTimeToWx(dtAccess, ftAccess);
2442         if ( dtMod )
2443             ConvertFileTimeToWx(dtMod, ftWrite);
2444
2445         return true;
2446     }
2447 #elif defined(__UNIX_LIKE__) || defined(__WXMAC__) || defined(__OS2__) || (defined(__DOS__) && defined(__WATCOMC__))
2448     // no need to test for IsDir() here
2449     wxStructStat stBuf;
2450     if ( wxStat( GetFullPath().c_str(), &stBuf) == 0 )
2451     {
2452         if ( dtAccess )
2453             dtAccess->Set(stBuf.st_atime);
2454         if ( dtMod )
2455             dtMod->Set(stBuf.st_mtime);
2456         if ( dtCreate )
2457             dtCreate->Set(stBuf.st_ctime);
2458
2459         return true;
2460     }
2461 #else // other platform
2462     wxUnusedVar(dtAccess);
2463     wxUnusedVar(dtMod);
2464     wxUnusedVar(dtCreate);
2465 #endif // platforms
2466
2467     wxLogSysError(_("Failed to retrieve file times for '%s'"),
2468                   GetFullPath().c_str());
2469
2470     return false;
2471 }
2472
2473 #endif // wxUSE_DATETIME
2474
2475
2476 // ----------------------------------------------------------------------------
2477 // file size functions
2478 // ----------------------------------------------------------------------------
2479
2480 #if wxUSE_LONGLONG
2481
2482 /* static */
2483 wxULongLong wxFileName::GetSize(const wxString &filename)
2484 {
2485     if (!wxFileExists(filename))
2486         return wxInvalidSize;
2487
2488 #if defined(__WXPALMOS__)
2489     // TODO
2490     return wxInvalidSize;
2491 #elif defined(__WIN32__)
2492     wxFileHandle f(filename, wxFileHandle::ReadAttr);
2493     if (!f.IsOk())
2494         return wxInvalidSize;
2495
2496     DWORD lpFileSizeHigh;
2497     DWORD ret = GetFileSize(f, &lpFileSizeHigh);
2498     if ( ret == INVALID_FILE_SIZE && ::GetLastError() != NO_ERROR )
2499         return wxInvalidSize;
2500
2501     return wxULongLong(lpFileSizeHigh, ret);
2502 #else // ! __WIN32__
2503     wxStructStat st;
2504 #ifndef wxNEED_WX_UNISTD_H
2505     if (wxStat( filename.fn_str() , &st) != 0)
2506 #else
2507     if (wxStat( filename, &st) != 0)
2508 #endif
2509         return wxInvalidSize;
2510     return wxULongLong(st.st_size);
2511 #endif
2512 }
2513
2514 /* static */
2515 wxString wxFileName::GetHumanReadableSize(const wxULongLong &bs,
2516                                           const wxString &nullsize,
2517                                           int precision)
2518 {
2519     static const double KILOBYTESIZE = 1024.0;
2520     static const double MEGABYTESIZE = 1024.0*KILOBYTESIZE;
2521     static const double GIGABYTESIZE = 1024.0*MEGABYTESIZE;
2522     static const double TERABYTESIZE = 1024.0*GIGABYTESIZE;
2523
2524     if (bs == 0 || bs == wxInvalidSize)
2525         return nullsize;
2526
2527     double bytesize = bs.ToDouble();
2528     if (bytesize < KILOBYTESIZE)
2529         return wxString::Format(_("%s B"), bs.ToString().c_str());
2530     if (bytesize < MEGABYTESIZE)
2531         return wxString::Format(_("%.*f kB"), precision, bytesize/KILOBYTESIZE);
2532     if (bytesize < GIGABYTESIZE)
2533         return wxString::Format(_("%.*f MB"), precision, bytesize/MEGABYTESIZE);
2534     if (bytesize < TERABYTESIZE)
2535         return wxString::Format(_("%.*f GB"), precision, bytesize/GIGABYTESIZE);
2536
2537     return wxString::Format(_("%.*f TB"), precision, bytesize/TERABYTESIZE);
2538 }
2539
2540 wxULongLong wxFileName::GetSize() const
2541 {
2542     return GetSize(GetFullPath());
2543 }
2544
2545 wxString wxFileName::GetHumanReadableSize(const wxString &failmsg, int precision) const
2546 {
2547     return GetHumanReadableSize(GetSize(), failmsg, precision);
2548 }
2549
2550 #endif // wxUSE_LONGLONG
2551
2552 // ----------------------------------------------------------------------------
2553 // Mac-specific functions
2554 // ----------------------------------------------------------------------------
2555
2556 #if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON
2557
2558 namespace
2559 {
2560
2561 class MacDefaultExtensionRecord
2562 {
2563 public:
2564     MacDefaultExtensionRecord()
2565     {
2566         m_type =
2567         m_creator = 0 ;
2568     }
2569
2570     // default copy ctor, assignment operator and dtor are ok
2571
2572     MacDefaultExtensionRecord(const wxString& ext, OSType type, OSType creator)
2573         : m_ext(ext)
2574     {
2575         m_type = type;
2576         m_creator = creator;
2577     }
2578
2579     wxString m_ext;
2580     OSType m_type;
2581     OSType m_creator;
2582 };
2583
2584 WX_DECLARE_OBJARRAY(MacDefaultExtensionRecord, MacDefaultExtensionArray);
2585
2586 bool gMacDefaultExtensionsInited = false;
2587
2588 #include "wx/arrimpl.cpp"
2589
2590 WX_DEFINE_EXPORTED_OBJARRAY(MacDefaultExtensionArray);
2591
2592 MacDefaultExtensionArray gMacDefaultExtensions;
2593
2594 // load the default extensions
2595 const MacDefaultExtensionRecord gDefaults[] =
2596 {
2597     MacDefaultExtensionRecord( "txt", 'TEXT', 'ttxt' ),
2598     MacDefaultExtensionRecord( "tif", 'TIFF', '****' ),
2599     MacDefaultExtensionRecord( "jpg", 'JPEG', '****' ),
2600 };
2601
2602 void MacEnsureDefaultExtensionsLoaded()
2603 {
2604     if ( !gMacDefaultExtensionsInited )
2605     {
2606         // we could load the pc exchange prefs here too
2607         for ( size_t i = 0 ; i < WXSIZEOF( gDefaults ) ; ++i )
2608         {
2609             gMacDefaultExtensions.Add( gDefaults[i] ) ;
2610         }
2611         gMacDefaultExtensionsInited = true;
2612     }
2613 }
2614
2615 } // anonymous namespace
2616
2617 bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator )
2618 {
2619     FSRef fsRef ;
2620     FSCatalogInfo catInfo;
2621     FileInfo *finfo ;
2622
2623     if ( wxMacPathToFSRef( GetFullPath() , &fsRef ) == noErr )
2624     {
2625         if ( FSGetCatalogInfo (&fsRef, kFSCatInfoFinderInfo, &catInfo, NULL, NULL, NULL) == noErr )
2626         {
2627             finfo = (FileInfo*)&catInfo.finderInfo;
2628             finfo->fileType = type ;
2629             finfo->fileCreator = creator ;
2630             FSSetCatalogInfo( &fsRef, kFSCatInfoFinderInfo, &catInfo ) ;
2631             return true ;
2632         }
2633     }
2634     return false ;
2635 }
2636
2637 bool wxFileName::MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) const
2638 {
2639     FSRef fsRef ;
2640     FSCatalogInfo catInfo;
2641     FileInfo *finfo ;
2642
2643     if ( wxMacPathToFSRef( GetFullPath() , &fsRef ) == noErr )
2644     {
2645         if ( FSGetCatalogInfo (&fsRef, kFSCatInfoFinderInfo, &catInfo, NULL, NULL, NULL) == noErr )
2646         {
2647             finfo = (FileInfo*)&catInfo.finderInfo;
2648             *type = finfo->fileType ;
2649             *creator = finfo->fileCreator ;
2650             return true ;
2651         }
2652     }
2653     return false ;
2654 }
2655
2656 bool wxFileName::MacSetDefaultTypeAndCreator()
2657 {
2658     wxUint32 type , creator ;
2659     if ( wxFileName::MacFindDefaultTypeAndCreator(GetExt() , &type ,
2660       &creator ) )
2661     {
2662         return MacSetTypeAndCreator( type , creator ) ;
2663     }
2664     return false;
2665 }
2666
2667 bool wxFileName::MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator )
2668 {
2669   MacEnsureDefaultExtensionsLoaded() ;
2670   wxString extl = ext.Lower() ;
2671   for( int i = gMacDefaultExtensions.Count() - 1 ; i >= 0 ; --i )
2672   {
2673     if ( gMacDefaultExtensions.Item(i).m_ext == extl )
2674     {
2675       *type = gMacDefaultExtensions.Item(i).m_type ;
2676       *creator = gMacDefaultExtensions.Item(i).m_creator ;
2677       return true ;
2678     }
2679   }
2680   return false ;
2681 }
2682
2683 void wxFileName::MacRegisterDefaultTypeAndCreator( const wxString& ext , wxUint32 type , wxUint32 creator )
2684 {
2685   MacEnsureDefaultExtensionsLoaded();
2686   MacDefaultExtensionRecord rec(ext.Lower(), type, creator);
2687   gMacDefaultExtensions.Add( rec );
2688 }
2689
2690 #endif // defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON